/* ISI inner pages: course details, about, policy documents. Builds on isi-home.css tokens. */

/* hide the template breadcrumb on pages that bring their own hero */
.header-area.isi-home-header ~ .breadcrumb-area { display: none; }

.isi-h3 { font-family: var(--sans, "Archivo", sans-serif); font-weight: 800; font-stretch: 110%; font-size: 1.35rem; line-height: 1.2; margin: 0; }
.isi-chip { display: inline-block; margin-left: 10px; padding: 2px 10px; border-radius: 2px; background: var(--green, #009b3d); color: #fff; font-family: var(--sans, sans-serif); font-style: normal; font-weight: 700; font-size: .8rem; vertical-align: 3px; }
.isi-crumb { display: inline-block; margin-bottom: 26px; font-family: var(--sans, sans-serif); font-weight: 600; font-size: .95rem; color: var(--steel, #c9d1da) !important; text-decoration: none !important; }
.isi-crumb::before { content: ""; display: inline-block; width: 7px; height: 7px; border-left: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin-right: 10px; vertical-align: 1px; }
.isi-crumb:hover { color: #fff !important; }

/* facts row */
.isi-facts { display: flex; flex-wrap: wrap; gap: 18px 36px; margin: 30px 0 0; }
.isi-facts > div { border-left: 2px solid var(--green, #009b3d); padding-left: 14px; }
.isi-facts dt { font-family: var(--serif, serif); font-weight: 400; font-size: 1rem; color: var(--steel, #c9d1da); }
.isi-facts dd { margin: 2px 0 0; font-family: var(--sans, sans-serif); font-weight: 900; font-stretch: 115%; font-size: 1.9rem; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.isi-facts .isi-facts__text { font-weight: 600; font-stretch: 100%; font-size: 1.05rem; line-height: 1.35; max-width: 26ch; }

/* course hero */
.isi-hero--course { min-height: 92vh; }
.isi-hero--course .isi-hero__photo { opacity: .16; }
.isi-hero__title--course { font-size: clamp(2.2rem, 1.1rem + 3vw, 3.9rem); max-width: 16ch; }
.isi-hero--course .isi-hero__actions { margin-top: 34px; }

/* route ladder */
.isi-route-strip { background: var(--paper, #f3f5f7); padding: 56px 0 64px; }
.isi-route-strip .isi-h3 { color: var(--ink, #0c1b33); margin-bottom: 26px; }
.isi-ladder { list-style: none; margin: 0; padding: 0; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 0; counter-reset: s; position: relative; }
.isi-ladder::before { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 3px; background: #cfd6de; }
.isi-ladder__step { position: relative; padding-right: 14px; }
.isi-ladder__card { position: relative; display: flex; flex-direction: column; gap: 6px; text-decoration: none !important; color: var(--ink, #0c1b33) !important; padding-top: 0; }
.isi-ladder__n { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 3px solid #cfd6de; font-family: var(--sans, sans-serif); font-weight: 800; font-size: 1.05rem; color: var(--steel-dark, #6f7d8d); margin-bottom: 10px; position: relative; z-index: 1; transition: border-color .2s, background-color .2s, color .2s; }
.isi-ladder__level { font-family: var(--sans, sans-serif); font-weight: 700; font-size: .82rem; color: var(--green-deep, #00602f); }
.isi-ladder__title { font-family: var(--sans, sans-serif); font-weight: 600; font-size: 1rem; line-height: 1.3; max-width: 22ch; }
.isi-ladder__here { font-family: var(--serif, serif); font-style: italic; color: var(--steel-dark, #6f7d8d); }
a.isi-ladder__card:hover .isi-ladder__n { border-color: var(--green, #009b3d); color: var(--green-deep, #00602f); }
a.isi-ladder__card:hover .isi-ladder__title { text-decoration: underline !important; }
.isi-ladder__step.is-below .isi-ladder__n { border-color: var(--green, #009b3d); color: var(--green-deep, #00602f); }
.isi-ladder__step.is-here .isi-ladder__n { background: var(--green, #009b3d); border-color: var(--green, #009b3d); color: #fff; box-shadow: 0 0 0 6px rgba(0,155,61,.18); }

/* self-check */
.isi-check { padding: clamp(80px, 10vw, 130px) 0; background: #fff; }
.isi-check__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 90px); align-items: start; }
.isi-check__panel { border-top: 2px solid var(--ink, #0c1b33); }
.isi-check__list { list-style: none; margin: 0; padding: 0; }
.isi-check__list li { border-bottom: 1px solid #dde2e8; }
.isi-check__item { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; margin: 0; cursor: pointer; font-family: var(--serif, serif); font-size: 1.18rem; line-height: 1.45; color: #22324a; }
.isi-check__item input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.isi-check__box { flex: none; width: 26px; height: 26px; margin-top: 1px; border: 2px solid #b5bfca; border-radius: 3px; position: relative; transition: background-color .15s, border-color .15s; }
.isi-check__box::after { content: ""; position: absolute; left: 7px; top: 2px; width: 8px; height: 14px; border-right: 3px solid #fff; border-bottom: 3px solid #fff; transform: rotate(45deg) scale(0); transition: transform .15s; }
.isi-check__item input:checked + .isi-check__box { background: var(--green, #009b3d); border-color: var(--green, #009b3d); }
.isi-check__item input:checked + .isi-check__box::after { transform: rotate(45deg) scale(1); }
.isi-check__item input:focus-visible + .isi-check__box { outline: 3px solid var(--green, #009b3d); outline-offset: 2px; }
.isi-check__item:hover .isi-check__box { border-color: var(--green, #009b3d); }
.isi-check__meter { height: 6px; margin-top: 26px; background: var(--paper, #f3f5f7); border-radius: 3px; overflow: hidden; }
.isi-check__meter span { display: block; height: 100%; width: 0; background: var(--green, #009b3d); transition: width .3s cubic-bezier(.2,.7,.2,1); }
.isi-check__result { margin-top: 16px !important; font-family: var(--sans, sans-serif); font-weight: 600; font-size: 1.05rem; line-height: 1.45; color: var(--ink, #0c1b33); min-height: 3em; }
.isi-check__result a { color: var(--green-deep, #00602f) !important; text-decoration: underline !important; }

/* overview prose */
.isi-overview { padding: clamp(70px, 9vw, 120px) 0; background: #fff; border-top: 1px solid #e3e7ec; }
.isi-overview__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 90px); align-items: start; }
.isi-overview .isi-about__media { position: sticky; top: 110px; }
.isi-prose { font-family: var(--serif, serif); font-size: 1.15rem; line-height: 1.65; color: #22324a; max-width: 64ch; }
.isi-prose > :first-child { margin-top: 0; }
.isi-prose p { margin: 0 0 1em; }
.isi-prose h2 { font-family: var(--sans, sans-serif); font-weight: 800; font-stretch: 110%; font-size: 1.6rem; line-height: 1.2; color: var(--ink, #0c1b33); margin: 1.8em 0 .6em; scroll-margin-top: 110px; }
.isi-prose h3 { font-family: var(--sans, sans-serif); font-weight: 700; font-size: 1.2rem; color: var(--ink, #0c1b33); margin: 1.6em 0 .5em; }
.isi-prose ul, .isi-prose ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.isi-prose ul { list-style: disc !important; }
.isi-prose ol { list-style: decimal !important; }
.isi-prose li { display: list-item !important; }
.isi-prose li { margin: .35em 0; }
.isi-prose ul li::marker { color: var(--green, #009b3d); }
.isi-prose a { color: var(--green-deep, #00602f) !important; text-decoration: underline !important; }
.isi-prose strong { color: var(--ink, #0c1b33); }
.isi-prose--lead { font-size: clamp(1.2rem, 1.05rem + .5vw, 1.45rem); }

.isi-lessons { list-style: none; margin: 0; padding: 0 0 26px; }
.isi-lessons li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0 10px 22px; position: relative; font-family: var(--serif, serif); font-size: 1.1rem; color: #34445b; border-top: 1px dashed #d5dbe2; }
.isi-lessons li::before { content: ""; position: absolute; left: 0; top: 19px; width: 10px; height: 2px; background: var(--green, #009b3d); }
.isi-lessons li span { color: var(--steel-dark, #6f7d8d); font-family: var(--sans, sans-serif); font-size: .9rem; }

.isi-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- ABOUT ---------- */
.isi-ahero { background: var(--ink, #0c1b33); color: #fff; padding: clamp(170px, 20vh, 210px) 0 clamp(70px, 9vw, 110px); position: relative; overflow: hidden; }
.isi-ahero::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 120px), radial-gradient(80% 70% at 85% 80%, rgba(0,155,61,.22), transparent 60%); pointer-events: none; }
.isi-ahero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.isi-ahero__media { position: relative; aspect-ratio: 1 / 1; perspective: 1200px; }
.isi-ahero__media img { position: absolute; object-fit: cover; border-radius: 3px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.isi-ahero__a { left: 0; top: 6%; width: 72%; height: 62%; transform: rotateY(8deg) rotateX(2deg); z-index: 2; }
.isi-ahero__b { right: 0; top: 0; width: 42%; height: 38%; transform: rotateY(-10deg) translateZ(-40px); z-index: 1; }
.isi-ahero__c { right: 4%; bottom: 0; width: 58%; height: 42%; transform: rotateY(-6deg) translateZ(30px); z-index: 3; }
.isi-ahero__media:hover .isi-ahero__a { transform: rotateY(2deg) translateZ(20px); }
.isi-ahero__media:hover .isi-ahero__c { transform: rotateY(-2deg) translateZ(50px); }
.isi-ahero .isi-hero__title { font-size: clamp(2.3rem, 1.2rem + 3.4vw, 4.3rem); }

.isi-why { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 90px); }

.isi-flow { background: var(--paper, #f3f5f7); padding: clamp(80px, 10vw, 130px) 0; }
.isi-flow__list { list-style: none; margin: 44px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; position: relative; }
.isi-flow__list::before { content: ""; position: absolute; top: 27px; left: 28px; right: 28px; height: 3px; background: linear-gradient(90deg, var(--green, #009b3d), #cfd6de); }
.isi-flow__list li { position: relative; padding-right: 28px; }
.isi-flow__n { position: relative; z-index: 1; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--ink, #0c1b33); color: #fff; font-family: var(--sans, sans-serif); font-weight: 900; font-stretch: 115%; font-size: 1.4rem; margin-bottom: 22px; }
.isi-flow__last .isi-flow__n { background: var(--green, #009b3d); }
.isi-flow__list h3 { font-family: var(--sans, sans-serif); font-weight: 800; font-stretch: 115%; font-size: 1.6rem; color: var(--ink, #0c1b33); margin: 0 0 8px; }
.isi-flow__list p { font-size: 1.1rem; line-height: 1.55; color: #34445b; max-width: 28ch; }
.isi-flow__list .isi-link { margin-top: 16px; }

.isi-do { margin-top: 44px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 48px; }
.isi-do__item img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 2px; margin-bottom: 20px; }
.isi-do__item h3 { font-family: var(--sans, sans-serif); font-weight: 800; font-size: 1.35rem; line-height: 1.2; color: var(--ink, #0c1b33); margin: 0 0 8px; }
.isi-do__item p { font-size: 1.1rem; line-height: 1.6; color: #34445b; max-width: 56ch; }

.isi-ind { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 90px); align-items: start; }
.isi-ind .isi-sub { max-width: 46ch; }
.isi-ind__links { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 28px; }
.isi-ind__links .isi-link { margin-top: 14px; }
.isi-values__list--stack { grid-template-columns: 1fr; }
.isi-values__list--stack .isi-values__item { display: flex; align-items: center; gap: 18px; border-right: 0; margin-right: 0; padding: 22px 0; border-bottom: 1px solid #dde2e8; }
.isi-values__list--stack .isi-values__word { margin-top: 0; }

/* ---------- POLICY & GOVERNANCE DOCUMENTS (SCI-FI 3D DOSSIER) ---------- */
.isi-phero {
  padding-top: clamp(165px, 20vh, 205px);
  padding-bottom: clamp(56px, 7vw, 85px);
  border-bottom: 1px solid rgba(60, 220, 134, 0.28);
}
.isi-phero__copy {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.isi-phero__title {
  font-family: var(--sans, "Archivo", sans-serif);
  font-weight: 900;
  font-stretch: 112%;
  font-size: clamp(2rem, 1.3rem + 2.4vw, 3.35rem);
  line-height: 1.06;
  color: #fff;
  margin: 0 0 14px;
}
.isi-phero__lede {
  font-family: var(--sans, "Archivo", sans-serif);
  font-size: clamp(1.02rem, 0.95rem + 0.35vw, 1.2rem);
  line-height: 1.55;
  color: #b8c7d6;
  max-width: 64ch;
  margin: 0 !important;
}
.isi-phero__telemetry {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.isi-phero__tchip {
  padding: 12px 16px;
  background: rgba(10, 24, 46, 0.84);
  border: 1px solid rgba(60, 220, 134, 0.3);
  border-left: 3px solid #3cdc86;
  border-radius: 4px;
  backdrop-filter: blur(8px);
}
.isi-phero__tchip span {
  display: block;
  font-family: var(--sans, sans-serif);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #7dffbf;
  margin-bottom: 3px;
}
.isi-phero__tchip strong {
  font-family: var(--sans, sans-serif);
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
}

.isi-doc {
  --ink: #0c1b33;
  --green: #009b3d;
  --green-deep: #00602f;
  --steel-dark: #6f7d8d;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --serif: "Newsreader", Georgia, serif;
  padding: clamp(56px, 7vw, 100px) 16px;
  background:
    radial-gradient(70% 55% at 15% 20%, rgba(0, 155, 61, 0.12), transparent 65%),
    repeating-linear-gradient(90deg, rgba(60, 220, 134, 0.025) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(60, 220, 134, 0.025) 0 1px, transparent 1px 64px),
    #061020;
  color: #dfe5ec;
}
.isi-doc__grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 56px);
  align-items: start;
}
.isi-doc__side {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 22px;
}
.isi-doc__panel {
  background: linear-gradient(160deg, rgba(13, 29, 54, 0.92), rgba(7, 17, 34, 0.96));
  border: 1px solid rgba(60, 220, 134, 0.28);
  border-radius: 6px;
  padding: 20px;
  box-shadow: 0 24px 55px -25px rgba(0, 0, 0, 0.8);
}
.isi-doc__side-tag {
  display: block;
  font-family: var(--sans);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #3cdc86;
  margin-bottom: 4px;
}
.isi-doc__side-title {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(60, 220, 134, 0.2);
}
.isi-doc__toc ol,
.isi-doc__others ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid rgba(60, 220, 134, 0.2);
  display: grid;
  gap: 4px;
}
.isi-doc__toc a,
.isi-doc__others a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px 8px 14px;
  margin-left: -2px;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  color: #9fb0c2 !important;
  text-decoration: none !important;
  transition: all 0.2s;
}
.isi-doc__toc a:hover,
.isi-doc__others a:hover {
  color: #fff !important;
  background: rgba(0, 155, 61, 0.14);
}
.isi-doc__toc a.is-active,
.isi-doc__others a[aria-current="page"] {
  color: #fff !important;
  border-left-color: #3cdc86;
  background: linear-gradient(90deg, rgba(0, 155, 61, 0.25), rgba(0, 155, 61, 0.05));
  font-weight: 800;
}
.isi-doc__idx {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 2px;
  background: rgba(60, 220, 134, 0.14);
  color: #3cdc86;
  flex: none;
}
.isi-doc__quick-links {
  display: grid;
  gap: 8px;
}
.isi-doc__quick-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(6, 16, 32, 0.85);
  border: 1px solid rgba(60, 220, 134, 0.32);
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 0.84rem;
  font-weight: 700;
  color: #7dffbf !important;
  text-decoration: none !important;
  transition: all 0.2s;
}
.isi-doc__quick-btn:hover {
  background: var(--green);
  border-color: #3cdc86;
  color: #fff !important;
}

.isi-doc__card {
  background: linear-gradient(165deg, rgba(13, 30, 56, 0.92), rgba(7, 17, 34, 0.97));
  border: 1px solid rgba(60, 220, 134, 0.32);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 75px -25px rgba(0, 0, 0, 0.85);
}
.isi-doc__card-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  background: rgba(0, 155, 61, 0.18);
  border-bottom: 1px solid rgba(60, 220, 134, 0.28);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #7dffbf;
}
.isi-doc__print-btn {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(6, 16, 32, 0.8);
  border: 1px solid rgba(60, 220, 134, 0.4);
  border-radius: 3px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  transition: all 0.2s;
}
.isi-doc__print-btn:hover {
  background: var(--green);
  border-color: #3cdc86;
}
.isi-doc__body {
  padding: clamp(24px, 4vw, 44px);
}
.isi-doc__body h2:first-of-type { margin-top: 0.4em; }
.isi-doc__updated { font-family: var(--sans); font-size: .88rem; color: #7dffbf; }
.isi-doc__contact {
  margin-top: 2.5em !important;
  padding: 20px 24px;
  background: rgba(0, 155, 61, 0.14);
  border: 1px solid rgba(60, 220, 134, 0.35);
  border-left: 4px solid #3cdc86;
  border-radius: 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--sans);
  font-size: 0.96rem;
  color: #dfe5ec;
}
.isi-doc__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 991px) {
  .isi-check__grid, .isi-overview__grid, .isi-ahero__grid, .isi-why, .isi-ind { grid-template-columns: 1fr; }
  .isi-overview .isi-about__media { position: static; }
  .isi-ladder { grid-auto-flow: row; grid-auto-columns: auto; gap: 14px; }
  .isi-ladder::before { left: 22px; right: auto; top: 0; bottom: 0; width: 3px; height: auto; }
  .isi-ladder__card { flex-direction: row; flex-wrap: wrap; align-items: center; column-gap: 14px; }
  .isi-ladder__n { margin-bottom: 0; }
  .isi-ladder__title { flex-basis: calc(100% - 60px); margin-left: 60px; margin-top: -6px; }
  .isi-ladder__level { order: 0; }
  .isi-flow__list { grid-template-columns: 1fr 1fr; gap: 36px 0; }
  .isi-flow__list::before { display: none; }
  .isi-phero__telemetry { grid-template-columns: 1fr; }
  .isi-doc__grid { grid-template-columns: 1fr; }
  .isi-doc__side { position: static; order: 2; }
  .isi-ahero__media { max-width: 520px; }
}
@media (max-width: 575px) {
  .isi-flow__list, .isi-do { grid-template-columns: 1fr; }
  .isi-facts dd { font-size: 1.6rem; }
  .isi-check__item { font-size: 1.08rem; }
}
@media (prefers-reduced-motion: reduce) {
  .isi-ahero__media img { transition: none; }
}

/* ---------- COURSE CATALOGUE ---------- */
.isi-catalogue { padding: clamp(60px, 8vw, 110px) 0; background: #fff; }
.isi-catalogue__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 64px; align-items: end; margin-bottom: 56px; }
.isi-search__label { display: block; font-family: var(--sans, sans-serif); font-weight: 600; font-size: .95rem; color: var(--ink, #0c1b33); margin-bottom: 8px; }
.isi-search__row { display: flex; }
.isi-search__row input { flex: 1; min-width: 0; height: 54px; padding: 0 16px; border: 1.5px solid #d5dbe2; border-right: 0; border-radius: 3px 0 0 3px; font-family: var(--sans, sans-serif); font-size: 1.02rem; color: var(--ink, #0c1b33); }
.isi-search__row input:focus { outline: none; border-color: var(--green, #009b3d); box-shadow: 0 0 0 4px rgba(0,155,61,.14); }
.isi-search__row button { height: 54px; padding: 0 22px; border: 0; border-radius: 0 3px 3px 0; background: var(--ink, #0c1b33); color: #fff; font-family: var(--sans, sans-serif); font-weight: 700; cursor: pointer; }
.isi-search__row button:hover { background: var(--green-deep, #00602f); }
.isi-search__clear { display: inline-block; margin-top: 10px; font-family: var(--sans, sans-serif); font-size: .92rem; color: var(--steel-dark, #6f7d8d) !important; }
.isi-empty { padding: 40px 0; border-top: 2px solid var(--ink, #0c1b33); }
.isi-empty h3 { font-family: var(--sans, sans-serif); font-weight: 800; font-size: 1.4rem; margin: 0 0 8px; }
.isi-empty a { color: var(--green-deep, #00602f) !important; text-decoration: underline !important; }

.isi-cat-route { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 24px 56px; padding: 40px 0; border-top: 2px solid var(--ink, #0c1b33); }
.isi-cat-route__head p { margin-top: 10px !important; font-size: 1.08rem; line-height: 1.5; color: #4a586b; }
.isi-cat-route__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.isi-cat-route__list li + li { border-top: 1px solid #e3e7ec; }
.isi-cat-card { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding: 18px 0; text-decoration: none !important; color: var(--ink, #0c1b33) !important; }
.isi-cat-card__img { display: block; aspect-ratio: 3 / 2; overflow: hidden; border-radius: 2px; }
.isi-cat-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.isi-cat-card:hover .isi-cat-card__img img { transform: scale(1.06); }
.isi-cat-card__body { display: flex; flex-direction: column; gap: 6px; }
.isi-cat-card__top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.isi-cat-card__n { font-family: var(--serif, serif); color: var(--steel-dark, #6f7d8d); }
.isi-cat-card__title { font-family: var(--sans, sans-serif); font-weight: 800; font-stretch: 105%; font-size: 1.3rem; line-height: 1.2; }
.isi-cat-card:hover .isi-cat-card__title { color: var(--green-deep, #00602f); }
.isi-cat-card__sum { font-family: var(--serif, serif); font-size: 1.06rem; line-height: 1.5; color: #4a586b; max-width: 62ch; }

@media (max-width: 991px) {
  .isi-catalogue__head, .isi-cat-route { grid-template-columns: 1fr; }
}
@media (max-width: 575px) {
  .isi-cat-card { grid-template-columns: 110px minmax(0, 1fr); gap: 16px; }
  .isi-cat-card__sum { display: none; }
}

/* ---------- shared sci-fi HUD touches ---------- */
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.isi-hud { position: relative; }
.isi-hud::before, .isi-hud::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--green, #009b3d); pointer-events: none; }
.isi-hud::before { left: -1px; top: -1px; border-right: 0; border-bottom: 0; }
.isi-hud::after { right: -1px; bottom: -1px; border-left: 0; border-top: 0; }

/* ---------- VERIFY ---------- */
.isi-vhero { position: relative; overflow: hidden; background: radial-gradient(90% 80% at 80% 110%, rgba(0,155,61,.28), transparent 60%), var(--ink, #0c1b33); color: #fff; padding: clamp(170px, 22vh, 220px) 0 clamp(70px, 9vw, 110px); }
.isi-vhero::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, rgba(120,255,190,.045) 0 1px, transparent 1px 64px), repeating-linear-gradient(0deg, rgba(120,255,190,.045) 0 1px, transparent 1px 64px); -webkit-mask-image: radial-gradient(70% 70% at 70% 60%, #000, transparent); mask-image: radial-gradient(70% 70% at 70% 60%, #000, transparent); pointer-events: none; }
.isi-vhero__canvas { position: absolute; right: -6%; top: 6%; width: 56%; height: 100%; opacity: .35; pointer-events: none; }
.isi-vhero__grid { position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 90px); align-items: end; }
.isi-vform { background: rgba(12,27,51,.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(120,255,190,.22); border-radius: 4px; padding: 28px; box-shadow: 0 30px 80px -30px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.06); }
.isi-vform__types { display: flex; flex-wrap: wrap; gap: 8px; border: 0; padding: 0; margin: 0 0 22px; }
.isi-vform__type { margin: 0; cursor: pointer; }
.isi-vform__type input { position: absolute; opacity: 0; }
.isi-vform__type span { display: inline-block; padding: 9px 16px; border: 1px solid rgba(201,209,218,.3); border-radius: 30px; font-family: var(--sans); font-weight: 600; font-size: .95rem; color: var(--steel); transition: all .2s; }
.isi-vform__type input:checked + span { background: var(--green); border-color: var(--green); color: #fff; box-shadow: 0 0 24px rgba(0,210,106,.35); }
.isi-vform__type input:focus-visible + span { outline: 3px solid #7dffbf; outline-offset: 2px; }
.isi-vform__label { display: block; font-family: var(--sans); font-weight: 600; color: #fff; margin: 0 0 8px; }
.isi-vform__row { display: flex; gap: 10px; }
.isi-vform__row input { flex: 1; min-width: 0; height: 64px; padding: 0 20px; background: rgba(0,0,0,.25); border: 1.5px solid rgba(201,209,218,.35); border-radius: 3px; color: #fff; font-family: var(--sans); font-weight: 700; font-stretch: 112%; font-size: 1.5rem; letter-spacing: .12em; text-transform: uppercase; }
.isi-vform__row input::placeholder { color: rgba(201,209,218,.35); }
.isi-vform__row input:focus { outline: none; border-color: #3cdc86; box-shadow: 0 0 0 4px rgba(60,220,134,.18), 0 0 30px rgba(60,220,134,.2); }
.isi-vform__row button { height: 64px; padding: 0 30px; border: 0; border-radius: 3px; background: var(--green); color: #fff; font-family: var(--sans); font-weight: 800; font-size: 1.1rem; cursor: pointer; transition: background-color .2s, box-shadow .2s; }
.isi-vform__row button:hover { background: #00b247; box-shadow: 0 0 30px rgba(0,210,106,.45); }
.isi-vform__hint { margin-top: 12px !important; font-family: var(--serif); font-size: 1rem; color: var(--steel); }

.isi-vresult { background: var(--paper); padding: clamp(60px, 8vw, 100px) 0; }
.isi-cred { position: relative; overflow: hidden; max-width: 880px; margin: 0 auto; border-radius: 6px; background: linear-gradient(135deg, #10244a, #0c1b33 60%); color: #fff; box-shadow: 0 40px 80px -30px rgba(12,27,51,.6); animation: isi-cred-in .7s cubic-bezier(.2,.8,.2,1) both; transform-style: preserve-3d; }
.isi-cred::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, rgba(120,255,190,.04) 0 1px, transparent 1px 40px); pointer-events: none; }
.isi-cred__scan { position: absolute; left: 0; right: 0; top: 0; height: 90px; background: linear-gradient(180deg, transparent, rgba(60,220,134,.35), transparent); animation: isi-scan 1.4s cubic-bezier(.4,0,.2,1) .3s both; pointer-events: none; z-index: 2; }
.isi-cred__head { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 28px; border-bottom: 1px solid rgba(201,209,218,.16); }
.isi-cred__head img { height: 40px; width: auto; }
.isi-cred__kind { font-family: var(--sans); font-weight: 700; color: var(--steel); }
.isi-cred__body { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 28px; align-items: start; padding: 28px; }
.isi-cred__photo { width: 140px; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 3px; background: #1d304e; outline: 1px solid rgba(201,209,218,.2); }
.isi-cred__name { font-family: var(--sans); font-weight: 900; font-stretch: 112%; font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem); line-height: 1.05; color: #fff; margin: 0; }
.isi-cred__serial { margin-top: 6px !important; font-family: var(--sans); font-weight: 600; letter-spacing: .1em; color: #7dffbf; }
.isi-cred__rows { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 28px; margin: 22px 0 0; }
.isi-cred__rows dt { font-family: var(--serif); font-weight: 400; font-size: .95rem; color: var(--steel); }
.isi-cred__rows dd { margin: 2px 0 0; font-family: var(--sans); font-weight: 600; font-size: 1.02rem; color: #fff; }
.isi-cred__stamp { display: grid; place-items: center; text-align: center; width: 150px; aspect-ratio: 1; border-radius: 50%; border: 3px solid #3cdc86; color: #3cdc86; padding: 16px; transform: rotate(-10deg); animation: isi-stamp .5s cubic-bezier(.3,1.6,.5,1) 1.4s both; box-shadow: 0 0 40px rgba(60,220,134,.25), inset 0 0 24px rgba(60,220,134,.15); }
.isi-cred__stamp strong { font-family: var(--sans); font-weight: 900; font-stretch: 112%; font-size: 1.45rem; line-height: 1; margin-bottom: 4px; }
.isi-cred__stamp span { font-family: var(--sans); font-size: .68rem; line-height: 1.25; max-width: 11ch; }
.isi-cred.is-expired .isi-cred__stamp { border-color: #ff6b5e; color: #ff6b5e; box-shadow: 0 0 40px rgba(255,107,94,.25); }
.isi-cred.is-expired .isi-cred__scan { background: linear-gradient(180deg, transparent, rgba(255,107,94,.3), transparent); }
.isi-vresult__note { max-width: 880px; margin: 22px auto 0 !important; font-size: 1.05rem; color: #4a586b; }
.isi-vresult__note a, .isi-vnone a { color: var(--green-deep) !important; text-decoration: underline !important; }
.isi-vnone { max-width: 760px; margin: 0 auto; padding: 32px; background: #fff; border-left: 5px solid #ff6b5e; border-radius: 3px; }
.isi-vnone h2 { font-family: var(--sans); font-weight: 800; font-size: 1.5rem; color: var(--ink); margin: 0 0 10px; }
.isi-vnone p { font-size: 1.08rem; color: #34445b; margin-top: 8px !important; }
@keyframes isi-cred-in { from { opacity: 0; transform: perspective(1200px) rotateX(18deg) translateY(30px); } to { opacity: 1; transform: none; } }
@keyframes isi-scan { from { transform: translateY(-100px); opacity: 1; } to { transform: translateY(520px); opacity: 0; } }
@keyframes isi-stamp { from { opacity: 0; transform: rotate(-10deg) scale(1.8); } to { opacity: 1; transform: rotate(-10deg) scale(1); } }
@media (max-width: 991px) { .isi-vhero__grid { grid-template-columns: 1fr; } .isi-vhero__canvas { width: 100%; right: -30%; opacity: .2; } }
@media (max-width: 640px) {
  .isi-cred__body { grid-template-columns: 1fr; }
  .isi-cred__stamp { width: 120px; justify-self: start; }
  .isi-cred__rows { grid-template-columns: 1fr; }
  .isi-vform__row { flex-direction: column; }
  .isi-vform__row button { height: 54px; }
}
@media (prefers-reduced-motion: reduce) { .isi-cred, .isi-cred__scan, .isi-cred__stamp { animation: none !important; } }

/* ---------- COURSE EXPLORER (3D) ---------- */
.isi-explorer { position: relative; overflow: hidden; color: #fff; background: radial-gradient(120% 90% at 50% 120%, rgba(0,155,61,.32), transparent 55%), radial-gradient(60% 60% at 90% 0%, rgba(40,90,160,.35), transparent 60%), #08142a; padding: clamp(175px, 21vh, 205px) 0 0; }
.isi-explorer::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(0deg, rgba(120,255,190,.035) 0 1px, transparent 1px 4px); pointer-events: none; mix-blend-mode: screen; }
.isi-explorer__head { position: relative; z-index: 6; display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 16px 32px; align-items: center; padding-bottom: 18px; border-bottom: 1px solid rgba(60,220,134,.18); }
.isi-explorer__title-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; }
.isi-explorer__title { font-family: var(--sans, sans-serif); font-weight: 900; font-stretch: 115%; font-size: clamp(1.75rem, 1.25rem + 1.5vw, 2.45rem); line-height: 1.08; color: #fff; margin: 0; }
.isi-explorer__lede { font-family: var(--sans, sans-serif); font-size: .92rem; line-height: 1.4; color: #9fb0c2; margin: 0 !important; }
.isi-explorer__routes { display: flex; flex-wrap: wrap; gap: 7px; justify-content: flex-end; }
.isi-explorer__routes button { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border: 1px solid rgba(120,255,190,.28); border-radius: 30px; font-family: var(--sans); font-weight: 600; font-size: .86rem; color: #dfe5ec; background: rgba(12,27,51,.65); transition: all .2s; }
.isi-explorer__routes button small { font-size: .72rem; background: rgba(201,209,218,.2); border-radius: 10px; padding: 1px 7px; }
.isi-explorer__routes button:hover { border-color: #3cdc86; color: #fff; }
.isi-explorer__routes button.is-on { background: var(--green); border-color: var(--green); color: #fff; box-shadow: 0 0 26px rgba(0,210,106,.45); }
.isi-explorer__routes button:focus-visible { outline: 3px solid #7dffbf; outline-offset: 2px; }
.isi-explorer__routes .isi-explorer__all { border-style: dashed; }
.isi-explorer__stage { position: relative; height: min(72vh, 660px); margin-top: 0; overflow: hidden; }
.isi-explorer__stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.isi-explorer__stage canvas:active { cursor: grabbing; }
.isi-explorer__hots { position: absolute; inset: 0; pointer-events: none; }
.isi-hot { position: absolute; left: 0; top: 0; pointer-events: auto; display: inline-flex; align-items: center; gap: 8px; margin: -14px 0 0 -14px; text-decoration: none !important; transition: opacity .25s; will-change: transform; }
.isi-hot.is-hidden { opacity: 0; pointer-events: none; }
.isi-hot__dot { position: relative; width: 28px; height: 28px; border-radius: 50%; background: rgba(0,155,61,.25); border: 2px solid #3cdc86; box-shadow: 0 0 16px rgba(60,220,134,.6); }
.isi-hot__dot::after { content: ""; position: absolute; inset: 7px; border-radius: 50%; background: #3cdc86; }
.isi-hot__dot::before { content: ""; position: absolute; inset: -8px; border-radius: 50%; border: 1px solid rgba(60,220,134,.5); animation: isi-ping 2.4s ease-out infinite; }
.isi-hot__lbl { font-family: var(--sans); font-weight: 700; font-size: .78rem; color: #fff; background: rgba(8,20,42,.85); border: 1px solid rgba(60,220,134,.35); padding: 3px 9px; border-radius: 3px; white-space: nowrap; }
.isi-hot.is-on .isi-hot__dot { background: #3cdc86; transform: scale(1.15); }
.isi-hot.is-on .isi-hot__lbl, .isi-hot:hover .isi-hot__lbl, .isi-hot:focus-visible .isi-hot__lbl { background: var(--green); border-color: var(--green); }
.isi-hot:focus-visible { outline: none; }
.isi-hot:focus-visible .isi-hot__dot { outline: 3px solid #7dffbf; outline-offset: 3px; }
@keyframes isi-ping { from { transform: scale(.6); opacity: 1; } to { transform: scale(1.8); opacity: 0; } }

.isi-explorer__hud { position: absolute; right: max(var(--gutter, 24px), calc((100vw - var(--wrap, 1240px)) / 2 + var(--gutter, 24px))); top: 20px; width: min(340px, 40vw); background: rgba(8,20,42,.82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(60,220,134,.28); border-radius: 4px; overflow: hidden; box-shadow: 0 30px 70px -30px rgba(0,0,0,.8); }
.isi-explorer__hud.is-in { animation: isi-hud-in .35s cubic-bezier(.2,.8,.2,1); }
.isi-hud__img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: saturate(.85) contrast(1.05); }
.isi-hud__body { padding: 18px 20px 20px; }
.isi-hud__route { font-family: var(--sans); font-weight: 700; font-size: .8rem; color: #7dffbf; margin: 0 0 6px !important; }
.isi-hud__title { font-family: var(--sans); font-weight: 800; font-stretch: 108%; font-size: 1.2rem; line-height: 1.2; color: #fff; margin: 0 0 8px; }
.isi-hud__sum { font-family: var(--serif); font-size: 1rem; line-height: 1.45; color: #c9d1da; }
.isi-hud__n { margin-top: 8px !important; font-family: var(--serif); font-style: italic; color: var(--steel); }
.isi-hud__go { display: inline-block; margin-top: 14px; padding: 10px 16px; border-radius: 3px; background: var(--green); color: #fff !important; font-family: var(--sans); font-weight: 700; font-size: .92rem; text-decoration: none !important; }
.isi-hud__go:hover { background: #00b247; box-shadow: 0 0 24px rgba(0,210,106,.4); }
@keyframes isi-hud-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.isi-explorer__hint { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); font-family: var(--sans); font-size: .85rem; color: rgba(201,209,218,.6); margin: 0; pointer-events: none; }

@media (max-width: 991px) {
  .isi-explorer__head { grid-template-columns: 1fr; }
  .isi-explorer__routes { justify-content: flex-start; }
  .isi-explorer__stage { height: 520px; }
  .isi-explorer__hud { position: relative; right: auto; top: auto; width: auto; margin: 0 var(--gutter, 16px) 24px; }
  .isi-explorer__stage { display: flex; flex-direction: column; justify-content: flex-end; }
}
@media (max-width: 575px) { .isi-hot__lbl { display: none; } .isi-explorer__stage { height: 600px; } }
@media (prefers-reduced-motion: reduce) { .isi-hot__dot::before { animation: none; } .isi-explorer__hud.is-in { animation: none; } }

/* ---------- VISION & MISSION ---------- */
.isi-vm { position: relative; overflow: hidden; background: #08142a; color: #fff; padding: clamp(80px, 10vw, 130px) 0; }
.isi-vm::before { content: ""; position: absolute; inset: 0; background: url('../img/isi-breadcrumb.jpg') center / cover; opacity: .18; }
.isi-vm__grid { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.isi-vm__card { padding: clamp(28px, 4vw, 48px); background: rgba(12,27,51,.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(60,220,134,.2); }
.isi-vm__kicker { font-family: var(--sans); font-weight: 800; font-stretch: 115%; font-size: 1.1rem; color: #7dffbf; margin: 0 0 16px !important; }
.isi-vm__text p { font-family: var(--serif); font-size: clamp(1.3rem, 1.05rem + .9vw, 1.85rem); line-height: 1.4; color: #fff; }
.isi-vm__more { position: relative; margin-top: 44px; color: #c9d1da; max-width: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.isi-vm__more h3 { color: #fff; grid-column: auto; }
.isi-vm__more ul { color: #c9d1da; }
.isi-vm__more strong { color: #fff; }
@media (max-width: 767px) { .isi-vm__grid, .isi-vm__more { grid-template-columns: 1fr; } }

/* ---------- course page: sci-fi layer ---------- */
.isi-hero--course::after { content: ""; position: absolute; inset: 0; z-index: -1; background: repeating-linear-gradient(90deg, rgba(120,255,190,.04) 0 1px, transparent 1px 64px), repeating-linear-gradient(0deg, rgba(120,255,190,.04) 0 1px, transparent 1px 64px); -webkit-mask-image: radial-gradient(60% 70% at 75% 55%, #000, transparent); mask-image: radial-gradient(60% 70% at 75% 55%, #000, transparent); }
.isi-route-strip { background: #08142a; border-top: 1px solid rgba(60,220,134,.18); border-bottom: 1px solid rgba(60,220,134,.18); }
.isi-route-strip .isi-h3 { color: #fff; }
.isi-route-strip .isi-ladder::before { background: linear-gradient(90deg, #3cdc86, rgba(201,209,218,.25)); box-shadow: 0 0 12px rgba(60,220,134,.35); }
.isi-route-strip .isi-ladder__card { color: #dfe5ec !important; }
.isi-route-strip .isi-ladder__level { color: #7dffbf; }
.isi-route-strip .isi-ladder__n { background: #0c1b33; border-color: rgba(201,209,218,.35); color: #c9d1da; }
.isi-route-strip .isi-ladder__step.is-below .isi-ladder__n { border-color: #3cdc86; color: #7dffbf; }
.isi-route-strip .isi-ladder__step.is-here .isi-ladder__n { background: var(--green); border-color: #3cdc86; color: #fff; box-shadow: 0 0 0 6px rgba(60,220,134,.18), 0 0 30px rgba(60,220,134,.6); }
.isi-route-strip .isi-ladder__here { color: #c9d1da; }
.isi-check__panel.isi-hud { padding: 8px 22px 22px; background: #fbfcfd; border: 1px solid #e3e7ec; border-top: 2px solid var(--ink); }
.isi-check__panel.is-ready .isi-check__meter span { background: linear-gradient(90deg, var(--green), #3cdc86); box-shadow: 0 0 16px rgba(60,220,134,.7); }


/* ==========================================================================
   SCI-FI 3D SCAFFOLDING UPGRADE: /courses & /course/{slug}
   ========================================================================== */

.isi-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans, "Archivo", sans-serif);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #3cdc86;
  margin: 0 0 12px !important;
}
.isi-eyebrow__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3cdc86;
  box-shadow: 0 0 12px #3cdc86;
  animation: isi-ping 2s ease-out infinite;
}

/* ---------- 3D EXPLORER UPGRADES ---------- */
.isi-explorer__grid-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(65% 65% at 38% 55%, rgba(0, 155, 61, 0.14), transparent 70%),
    repeating-linear-gradient(90deg, rgba(60, 220, 134, 0.03) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(60, 220, 134, 0.03) 0 1px, transparent 1px 80px);
  pointer-events: none;
}
.isi-explorer__routes .isi-route-code {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: #3cdc86;
  background: rgba(60, 220, 134, 0.12);
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 800;
}
.isi-explorer__routes button.is-on .isi-route-code {
  background: rgba(0, 0, 0, 0.25);
  color: #fff;
}
.isi-hot__lbl em {
  font-style: normal;
  color: #3cdc86;
  font-weight: 800;
  margin-right: 4px;
}
.isi-hot.is-on .isi-hot__lbl em,
.isi-hot:hover .isi-hot__lbl em {
  color: #fff;
}

/* Left Telemetry Chips */
.isi-explorer__telemetry {
  position: absolute;
  left: max(var(--gutter, 24px), calc((100vw - var(--wrap, 1240px)) / 2 + var(--gutter, 24px)));
  top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  z-index: 4;
}
.isi-telemetry-chip {
  background: rgba(7, 18, 36, 0.82);
  border: 1px solid rgba(60, 220, 134, 0.28);
  border-left: 3px solid #3cdc86;
  padding: 8px 14px;
  border-radius: 3px;
  backdrop-filter: blur(8px);
}
.isi-telemetry-chip__lbl {
  display: block;
  font-family: var(--sans, sans-serif);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #7dffbf;
}
.isi-telemetry-chip strong {
  font-family: var(--sans, sans-serif);
  font-size: 0.86rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.04em;
}

/* Upgraded 3D HUD Card */
.isi-explorer__hud {
  width: min(370px, 42vw);
  background: linear-gradient(165deg, rgba(10, 25, 48, 0.94), rgba(6, 15, 30, 0.96));
  border: 1px solid rgba(60, 220, 134, 0.38);
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 155, 61, 0.18);
  z-index: 5;
}
.isi-hud__top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 16px;
  background: rgba(0, 155, 61, 0.16);
  border-bottom: 1px solid rgba(60, 220, 134, 0.25);
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.isi-hud__code { color: #7dffbf; }
.isi-hud__elev {
  background: rgba(60, 220, 134, 0.2);
  color: #fff;
  padding: 2px 8px;
  border-radius: 2px;
}
.isi-hud__media { position: relative; }
.isi-hud__level-badge {
  position: absolute;
  left: 12px;
  bottom: 10px;
  background: rgba(8, 20, 42, 0.9);
  border: 1px solid #3cdc86;
  color: #3cdc86;
  font-family: var(--sans, sans-serif);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.isi-hud__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(201, 209, 218, 0.14);
}
.isi-hud__spec span {
  display: block;
  font-family: var(--sans, sans-serif);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #8fa3b8;
}
.isi-hud__spec strong {
  font-family: var(--sans, sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}
.isi-hud__go {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 16px;
  padding: 12px 16px;
}

/* Bottom 3D Camera & Lift Dock */
.isi-explorer__dock {
  position: absolute;
  left: 38%;
  bottom: 20px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: rgba(7, 18, 36, 0.88);
  border: 1px solid rgba(60, 220, 134, 0.32);
  border-radius: 40px;
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
  z-index: 5;
}
.isi-dock-btn {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 20px;
  font-family: var(--sans, sans-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: #dfe5ec;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.isi-dock-btn:hover {
  background: rgba(0, 155, 61, 0.28);
  color: #3cdc86;
}
.isi-dock-sep {
  width: 1px;
  height: 20px;
  background: rgba(201, 209, 218, 0.2);
  margin: 0 2px;
}

/* ---------- 3D STRUCTURAL SCAFFOLD CATALOGUE (.isi-catalogue--scifi) ---------- */
.isi-catalogue--scifi {
  position: relative;
  background:
    radial-gradient(80% 50% at 50% 0%, rgba(0, 155, 61, 0.14), transparent 70%),
    repeating-linear-gradient(90deg, rgba(60, 220, 134, 0.03) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(60, 220, 134, 0.03) 0 1px, transparent 1px 72px),
    #061020;
  color: #dfe5ec;
  border-top: 1px solid rgba(60, 220, 134, 0.28);
}
.isi-catalogue--scifi .isi-h2 { color: #fff; }
.isi-catalogue--scifi .isi-sub { color: #9fb0c2; }

.isi-search--scifi .isi-search__label { color: #7dffbf; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; }
.isi-search--scifi .isi-search__row input {
  background: rgba(10, 25, 48, 0.88);
  border-color: rgba(60, 220, 134, 0.35);
  color: #fff;
}
.isi-search--scifi .isi-search__row input::placeholder { color: rgba(201, 209, 218, 0.45); }
.isi-search--scifi .isi-search__row button {
  background: var(--green, #009b3d);
  color: #fff;
  padding: 0 26px;
}
.isi-search--scifi .isi-search__row button:hover {
  background: #00b848;
  box-shadow: 0 0 24px rgba(60, 220, 134, 0.4);
}
.isi-search--scifi .isi-search__clear { color: #3cdc86 !important; }

/* Tower Filter Pills */
.isi-cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 44px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(60, 220, 134, 0.18);
}
.isi-cat-filter__btn {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  background: rgba(12, 27, 51, 0.78);
  border: 1px solid rgba(60, 220, 134, 0.24);
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: #c9d1da;
  transition: all 0.2s;
}
.isi-cat-filter__btn:hover {
  border-color: #3cdc86;
  color: #fff;
}
.isi-cat-filter__btn.is-active {
  background: linear-gradient(135deg, rgba(0, 155, 61, 0.9), rgba(0, 96, 47, 0.95));
  border-color: #3cdc86;
  color: #fff;
  box-shadow: 0 0 25px rgba(60, 220, 134, 0.35);
}
.isi-cat-filter__code {
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 2px;
  background: rgba(0, 0, 0, 0.3);
  color: #3cdc86;
}
.isi-cat-filter__btn.is-active .isi-cat-filter__code { color: #fff; }

/* Scaffold Tower Assembly */
.isi-catalogue__head--compact {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px 32px;
  margin-bottom: 22px;
}
.isi-catalogue__title-group {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
}
.isi-catalogue__title-group .isi-eyebrow {
  margin-bottom: 0 !important;
}
.isi-catalogue__head--compact .isi-h2 {
  font-size: clamp(1.55rem, 1.2rem + 1.2vw, 2.15rem);
}
.isi-catalogue__head--compact .isi-search {
  flex: 1;
  max-width: 460px;
}
.isi-towers-matrix {
  display: grid;
  gap: 40px;
}
.isi-scaf-tower {
  position: relative;
  background: linear-gradient(180deg, rgba(12, 27, 51, 0.65), rgba(8, 19, 37, 0.85));
  border: 1px solid rgba(60, 220, 134, 0.25);
  border-radius: 6px;
  padding: clamp(18px, 2.5vw, 28px);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.8);
}
.isi-scaf-tower__header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px 20px;
  align-items: center;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(60, 220, 134, 0.22);
}
.isi-scaf-tower__badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: rgba(0, 155, 61, 0.14);
  border: 1px solid rgba(60, 220, 134, 0.4);
  border-radius: 4px;
}
.isi-scaf-tower__code {
  font-family: var(--sans, sans-serif);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: #3cdc86;
}
.isi-scaf-tower__title-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
}
.isi-scaf-tower__title {
  font-family: var(--sans, sans-serif);
  font-weight: 900;
  font-stretch: 112%;
  font-size: clamp(1.25rem, 1.05rem + 0.7vw, 1.65rem);
  color: #fff;
  margin: 0;
}
.isi-scaf-tower__lede {
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  color: #9fb0c2;
}
.isi-scaf-tower__meta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.isi-scaf-tower__pill {
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  font-weight: 800;
  color: #7dffbf;
  padding: 6px 10px;
  background: rgba(6, 16, 32, 0.7);
  border: 1px solid rgba(60, 220, 134, 0.25);
  border-radius: 4px;
}
.isi-scaf-tower__focus-3d {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  background: rgba(60, 220, 134, 0.12);
  border: 1px solid rgba(60, 220, 134, 0.45);
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: #3cdc86;
  transition: all 0.2s;
}
.isi-scaf-tower__focus-3d:hover {
  background: var(--green, #009b3d);
  color: #fff;
  box-shadow: 0 0 20px rgba(60, 220, 134, 0.4);
}

/* 3D Structural Frame & Vertical Standards */
.isi-scaf-frame {
  position: relative;
  padding-left: 110px;
}
.isi-scaf-rail--left {
  position: absolute;
  left: 42px;
  top: 0;
  bottom: 44px;
  width: 6px;
  background: linear-gradient(90deg, #1b385c, #5be39b 50%, #1b385c);
  border-radius: 3px;
  box-shadow: 0 0 18px rgba(60, 220, 134, 0.35);
}
.isi-scaf-rail--right {
  position: absolute;
  right: 12px;
  top: 0;
  bottom: 44px;
  width: 4px;
  background: linear-gradient(180deg, rgba(60, 220, 134, 0.35), rgba(201, 209, 218, 0.15));
  pointer-events: none;
}

.isi-scaf-lifts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.isi-scaf-lift {
  position: relative;
  perspective: 1200px;
}

/* Left Coupler Node & Elevation Marker */
.isi-scaf-lift__node {
  position: absolute;
  left: -110px;
  top: 50%;
  transform: translateY(-50%);
  width: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  z-index: 2;
}
.isi-scaf-coupler {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #08142a;
  border: 3px solid #3cdc86;
  box-shadow: 0 0 16px rgba(60, 220, 134, 0.7);
  margin-bottom: 6px;
  position: relative;
}
.isi-scaf-coupler::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 6px;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, #3cdc86, rgba(60, 220, 134, 0.2));
}
.isi-scaf-elev {
  font-family: var(--sans, sans-serif);
  font-weight: 900;
  font-size: 0.86rem;
  color: #3cdc86;
  letter-spacing: 0.04em;
}
.isi-scaf-lift-no {
  font-family: var(--sans, sans-serif);
  font-size: 0.68rem;
  font-weight: 700;
  color: #8fa3b8;
  letter-spacing: 0.1em;
}

/* 3D Lift Deck Card */
.isi-lift-card {
  position: relative;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  background: linear-gradient(135deg, rgba(15, 34, 64, 0.92), rgba(9, 22, 42, 0.96));
  border: 1px solid rgba(120, 255, 190, 0.22);
  border-bottom: 3px solid rgba(60, 220, 134, 0.55);
  border-radius: 5px;
  padding: 20px;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s, box-shadow 0.25s;
  transform-style: preserve-3d;
  overflow: hidden;
}
.isi-lift-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, rgba(60, 220, 134, 0.025) 0 1px, transparent 1px 18px);
  pointer-events: none;
}
.isi-lift-card:hover {
  transform: translateY(-4px) rotateX(1.5deg);
  border-color: #3cdc86;
  box-shadow: 0 24px 50px -20px rgba(0, 0, 0, 0.85), 0 0 30px rgba(0, 155, 61, 0.22);
}

.isi-lift-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(60, 220, 134, 0.3);
  background: #09172e;
}
.isi-lift-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.isi-lift-card:hover .isi-lift-card__media img {
  transform: scale(1.06);
}
.isi-lift-card__holo-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(8, 20, 42, 0.9);
  border: 1px solid #3cdc86;
  color: #3cdc86;
  font-family: var(--sans, sans-serif);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 2px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.isi-lift-card__elev-pill {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 155, 61, 0.9);
  color: #fff;
  font-family: var(--sans, sans-serif);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}

.isi-lift-card__content {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}
.isi-lift-card__topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
}
.isi-lift-card__route-tag {
  color: #7dffbf;
  letter-spacing: 0.08em;
}
.isi-lift-card__spec {
  color: #9fb0c2;
}
.isi-lift-card__spec i {
  color: #3cdc86;
  margin-right: 4px;
}
.isi-lift-card__title {
  margin: 0;
  font-family: var(--sans, sans-serif);
  font-weight: 800;
  font-stretch: 108%;
  font-size: 1.35rem;
  line-height: 1.2;
}
.isi-lift-card__title a {
  color: #fff !important;
  text-decoration: none !important;
  transition: color 0.2s;
}
.isi-lift-card__title a:hover {
  color: #3cdc86 !important;
}
.isi-lift-card__sum {
  margin: 0 !important;
  font-family: var(--sans, sans-serif);
  font-size: 0.96rem;
  line-height: 1.5;
  color: #b8c7d6;
  max-width: 68ch;
}
.isi-lift-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(201, 209, 218, 0.12);
}
.isi-lift-card__prereq {
  font-family: var(--sans, sans-serif);
  font-size: 0.82rem;
  color: #8fa3b8;
}
.isi-lift-card__prereq strong {
  color: #dfe5ec;
  margin-left: 4px;
}
.isi-lift-card__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.isi-lift-card__btn-3d {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  border: 1px solid rgba(60, 220, 134, 0.38);
  border-radius: 3px;
  font-family: var(--sans, sans-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: #7dffbf;
  background: rgba(8, 20, 42, 0.6);
  transition: all 0.2s;
}
.isi-lift-card__btn-3d:hover {
  border-color: #3cdc86;
  background: rgba(60, 220, 134, 0.18);
  color: #fff;
}
.isi-lift-card__btn-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 3px;
  background: var(--green, #009b3d);
  color: #fff !important;
  font-family: var(--sans, sans-serif);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none !important;
  transition: background 0.2s, box-shadow 0.2s;
}
.isi-lift-card__btn-go:hover {
  background: #00b848;
  box-shadow: 0 0 22px rgba(60, 220, 134, 0.45);
}

.isi-scaf-baseplate {
  margin-top: 20px;
  margin-left: -90px;
  padding: 10px 18px;
  background: rgba(0, 155, 61, 0.12);
  border: 1px dashed rgba(60, 220, 134, 0.4);
  border-radius: 3px;
  display: flex;
  justify-content: space-between;
  font-family: var(--sans, sans-serif);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #7dffbf;
}

/* ==========================================================================
   COURSE DETAILS SCI-FI BLUEPRINT (.isi-course--scifi)
   ========================================================================== */
.isi-course--scifi {
  background: #061020;
  color: #dfe5ec;
}
.isi-course--scifi .isi-hero--course {
  padding-top: clamp(135px, 16vh, 175px);
  padding-bottom: clamp(70px, 9vh, 110px);
  min-height: auto;
}
.isi-course-crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  font-weight: 600;
}
.isi-course-crumbs .isi-crumb { margin-bottom: 0; }
.isi-crumb-sep { color: rgba(201, 209, 218, 0.4); }
.isi-crumb-track { color: #3cdc86; font-weight: 700; }

.isi-chip--glow {
  background: rgba(0, 155, 61, 0.22);
  border: 1px solid #3cdc86;
  color: #7dffbf;
  margin-left: 0;
  margin-right: 6px;
}
.isi-chip--outline {
  background: rgba(12, 27, 51, 0.7);
  border: 1px solid rgba(201, 209, 218, 0.3);
  color: #c9d1da;
}

.isi-facts--telemetry {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.isi-facts--telemetry > div {
  background: rgba(8, 20, 42, 0.76);
  border: 1px solid rgba(60, 220, 134, 0.26);
  border-left: 3px solid #3cdc86;
  padding: 12px 14px;
  border-radius: 3px;
}
.isi-facts--telemetry .isi-facts__wide {
  grid-column: 1 / -1;
}
.isi-facts--telemetry dt {
  font-family: var(--sans, sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7dffbf;
}
.isi-facts--telemetry dd {
  font-size: 1.15rem;
  font-weight: 800;
  margin-top: 5px;
  color: #fff;
}
.isi-facts--telemetry dd small {
  font-size: 0.82rem;
  font-weight: 600;
  color: #9fb0c2;
}
.isi-facts--telemetry .isi-facts__text {
  font-size: 0.96rem;
  max-width: none;
  color: #dfe5ec;
}

/* Route Strip Sci-Fi */
.isi-route-strip--scifi {
  background: #08162b;
  padding: 56px 0 64px;
}
.isi-route-strip__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 30px;
}
.isi-route-strip__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: rgba(60, 220, 134, 0.12);
  border: 1px solid rgba(60, 220, 134, 0.38);
  border-radius: 3px;
  font-family: var(--sans, sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  color: #7dffbf !important;
  text-decoration: none !important;
}
.isi-route-strip__back:hover {
  background: var(--green, #009b3d);
  color: #fff !important;
}
.isi-ladder--scifi {
  gap: 16px;
}
.isi-ladder--scifi::before { display: none; }
.isi-ladder--scifi .isi-ladder__step { padding-right: 0; }
.isi-ladder--scifi .isi-ladder__card {
  height: 100%;
  padding: 18px;
  background: rgba(12, 27, 51, 0.78);
  border: 1px solid rgba(201, 209, 218, 0.18);
  border-radius: 4px;
  transition: all 0.22s;
}
.isi-ladder--scifi a.isi-ladder__card:hover {
  border-color: #3cdc86;
  transform: translateY(-3px);
}
.isi-ladder--scifi .isi-ladder__step.is-here .isi-ladder__card {
  background: linear-gradient(145deg, rgba(0, 155, 61, 0.26), rgba(12, 27, 51, 0.95));
  border-color: #3cdc86;
  box-shadow: 0 0 30px rgba(60, 220, 134, 0.25);
}
.isi-ladder__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.isi-ladder--scifi .isi-ladder__n {
  width: auto;
  height: auto;
  border-radius: 2px;
  padding: 3px 8px;
  font-size: 0.74rem;
  margin-bottom: 0;
}
.isi-ladder__elev {
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  font-weight: 800;
  color: #3cdc86;
}
.isi-ladder__status {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--sans, sans-serif);
  font-size: 0.76rem;
  color: #8fa3b8;
}
.isi-ladder--scifi .isi-ladder__here {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--sans, sans-serif);
  font-style: normal;
  font-size: 0.76rem;
  font-weight: 800;
  color: #3cdc86;
}

/* Competence Diagnostic Scanner (.isi-check--scifi) */
.isi-check--scifi {
  background:
    radial-gradient(70% 60% at 15% 50%, rgba(0, 155, 61, 0.12), transparent 65%),
    #061020;
  border-bottom: 1px solid rgba(60, 220, 134, 0.18);
}
.isi-check--scifi .isi-h2 { color: #fff; }
.isi-check--scifi .isi-sub { color: #9fb0c2; }
.isi-check__legend {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}
.isi-check__legend-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: rgba(12, 27, 51, 0.65);
  border-left: 3px solid #3cdc86;
  border-radius: 3px;
  font-family: var(--sans, sans-serif);
  font-size: 0.85rem;
}
.isi-check__legend-item span {
  font-weight: 800;
  color: #3cdc86;
  min-width: 78px;
}
.isi-check__legend-item strong {
  color: #dfe5ec;
  font-weight: 600;
}

.isi-check__panel.isi-hud--diagnostic {
  background: linear-gradient(160deg, rgba(12, 27, 51, 0.92), rgba(7, 17, 34, 0.96));
  border: 1px solid rgba(60, 220, 134, 0.32);
  border-radius: 5px;
  padding: 0 24px 24px;
  box-shadow: 0 30px 70px -25px rgba(0, 0, 0, 0.8);
}
.isi-check__panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 -24px 12px;
  padding: 12px 24px;
  background: rgba(0, 155, 61, 0.16);
  border-bottom: 1px solid rgba(60, 220, 134, 0.25);
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #7dffbf;
}
.isi-check--scifi .isi-check__list li {
  border-bottom-color: rgba(201, 209, 218, 0.12);
}
.isi-check--scifi .isi-check__item {
  font-family: var(--sans, sans-serif);
  font-size: 1rem;
  color: #dfe5ec;
  align-items: center;
}
.isi-check__code {
  font-family: var(--sans, sans-serif);
  font-size: 0.72rem;
  font-weight: 800;
  color: #3cdc86;
  background: rgba(60, 220, 134, 0.12);
  padding: 2px 7px;
  border-radius: 2px;
}
.isi-check--scifi .isi-check__box {
  border-color: rgba(60, 220, 134, 0.45);
  background: rgba(6, 16, 32, 0.8);
}
.isi-check--scifi .isi-check__meter {
  background: rgba(255, 255, 255, 0.08);
  height: 8px;
}
.isi-check--scifi .isi-check__result {
  color: #fff;
  background: rgba(0, 155, 61, 0.14);
  border: 1px solid rgba(60, 220, 134, 0.28);
  padding: 14px 16px;
  border-radius: 4px;
  min-height: 0;
}
.isi-check--scifi .isi-check__result a {
  color: #3cdc86 !important;
}

/* Engineering Specification & Blueprint Dossier (.isi-overview--scifi) */
.isi-overview--scifi {
  background:
    repeating-linear-gradient(90deg, rgba(60, 220, 134, 0.025) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(60, 220, 134, 0.025) 0 1px, transparent 1px 64px),
    #08142a;
  border-top: 0;
}
.isi-spec-sidebar {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 24px;
}
.isi-spec-media { margin: 0; }
.isi-spec-media__frame {
  position: relative;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid rgba(60, 220, 134, 0.38);
  box-shadow: 0 25px 60px -20px rgba(0, 0, 0, 0.8);
}
.isi-spec-media__frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.isi-spec-media__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 10px;
  background: rgba(6, 16, 32, 0.9);
  border: 1px solid #3cdc86;
  color: #3cdc86;
  font-family: var(--sans, sans-serif);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.isi-spec-card {
  background: rgba(12, 27, 51, 0.85);
  border: 1px solid rgba(60, 220, 134, 0.28);
  border-radius: 5px;
  padding: 22px;
}
.isi-spec-card__title {
  font-family: var(--sans, sans-serif);
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.isi-spec-card__title i { color: #3cdc86; }
.isi-spec-list {
  margin: 0;
  display: grid;
  gap: 12px;
}
.isi-spec-list > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(201, 209, 218, 0.14);
  font-family: var(--sans, sans-serif);
  font-size: 0.86rem;
}
.isi-spec-list dt { color: #8fa3b8; font-weight: 600; }
.isi-spec-list dd { margin: 0; color: #fff; font-weight: 700; text-align: right; }
.isi-spec-card__verify {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-family: var(--sans, sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  color: #3cdc86 !important;
  text-decoration: none !important;
}
.isi-spec-card__verify:hover { text-decoration: underline !important; }

.isi-lift-nav {
  display: grid;
  gap: 12px;
}
.isi-lift-nav__card {
  display: block;
  padding: 14px 16px;
  background: rgba(12, 27, 51, 0.72);
  border: 1px solid rgba(201, 209, 218, 0.2);
  border-radius: 4px;
  text-decoration: none !important;
  transition: all 0.2s;
}
.isi-lift-nav__card--next {
  border-color: rgba(60, 220, 134, 0.4);
  background: rgba(0, 155, 61, 0.12);
}
.isi-lift-nav__card:hover {
  border-color: #3cdc86;
  transform: translateY(-2px);
}
.isi-lift-nav__dir {
  display: block;
  font-family: var(--sans, sans-serif);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #7dffbf;
  margin-bottom: 4px;
}
.isi-lift-nav__card strong {
  font-family: var(--sans, sans-serif);
  font-size: 0.95rem;
  color: #fff;
}

/* Technical Dossier Prose */
.isi-dossier {
  background: rgba(12, 27, 51, 0.75);
  border: 1px solid rgba(60, 220, 134, 0.26);
  border-radius: 6px;
  padding: clamp(24px, 4vw, 42px);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.75);
}
.isi-dossier__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(60, 220, 134, 0.22);
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.isi-dossier__badge { color: #3cdc86; }
.isi-dossier__id { color: #8fa3b8; }

.isi-prose--scifi {
  font-family: var(--sans, sans-serif);
  font-size: 1.04rem;
  line-height: 1.7;
  color: #c9d6e4;
  max-width: none;
}
.isi-prose--scifi h2,
.isi-prose--scifi h3 {
  color: #fff;
  border-left: 3px solid #3cdc86;
  padding-left: 12px;
}
.isi-prose--scifi strong { color: #fff; }
.isi-prose--scifi a { color: #3cdc86 !important; }
.isi-prose--scifi ul li::marker { color: #3cdc86; }

/* Syllabus & Module Blueprint Matrix (.isi-services--scifi) */
.isi-services--scifi {
  background: #061020;
  border-top: 1px solid rgba(60, 220, 134, 0.2);
}
.isi-services--scifi .isi-h2 { color: #fff; }
.isi-services--scifi .isi-sub { color: #9fb0c2; }
.isi-register--scifi {
  border-top: 1px solid rgba(60, 220, 134, 0.28);
}
.isi-register--scifi .isi-register__row {
  border-bottom: 1px solid rgba(60, 220, 134, 0.2);
  background: rgba(12, 27, 51, 0.55);
  margin-bottom: 10px;
  border-radius: 4px;
  padding: 0 20px;
}
.isi-register--scifi .isi-register__title button {
  color: #fff;
  gap: 14px;
  justify-content: flex-start;
}
.isi-register__mod-code {
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border-radius: 2px;
  background: rgba(0, 155, 61, 0.22);
  border: 1px solid #3cdc86;
  color: #7dffbf;
}
.isi-register__mod-name {
  flex: 1;
  text-align: left;
}
.isi-register__mod-count {
  font-size: 0.8rem;
  font-weight: 600;
  color: #8fa3b8;
}
.isi-lessons--scifi li {
  font-family: var(--sans, sans-serif);
  font-size: 0.98rem;
  color: #dfe5ec;
  border-top-color: rgba(201, 209, 218, 0.12);
  align-items: center;
  justify-content: flex-start;
  padding-left: 0;
}
.isi-lessons--scifi li::before { display: none; }
.isi-lessons__unit {
  font-size: 0.74rem;
  font-weight: 800;
  color: #3cdc86;
  background: rgba(60, 220, 134, 0.1);
  padding: 2px 8px;
  border-radius: 2px;
}
.isi-lessons__name { flex: 1; }
.isi-lessons__dur {
  color: #7dffbf !important;
  font-size: 0.82rem !important;
}

@media (max-width: 991px) {
  .isi-explorer__telemetry { display: none; }
  .isi-explorer__dock { left: 50%; bottom: 12px; flex-wrap: wrap; justify-content: center; width: max-content; max-width: 94vw; }
  .isi-scaf-tower__header { grid-template-columns: 1fr; }
  .isi-scaf-tower__meta { justify-content: space-between; }
  .isi-scaf-frame { padding-left: 0; }
  .isi-scaf-frame__rails, .isi-scaf-lift__node { display: none; }
  .isi-lift-card { grid-template-columns: 1fr; }
  .isi-scaf-baseplate { margin-left: 0; flex-direction: column; gap: 4px; }
  .isi-facts--telemetry { grid-template-columns: 1fr; }
  .isi-spec-sidebar { position: static; }
}


/* ==========================================================================
   CATEGORY PAGINATION & 3D COURSE CARDS GRID (/courses)
   ========================================================================== */

.isi-cat-Pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px 20px;
  padding: 12px 18px;
  margin-bottom: 24px;
  background: rgba(11, 25, 48, 0.88);
  border: 1px solid rgba(60, 220, 134, 0.32);
  border-radius: 6px;
  box-shadow: 0 20px 50px -25px rgba(0, 0, 0, 0.75);
}
.isi-cat-pager__status {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.isi-cat-pager__badge {
  font-family: var(--sans, sans-serif);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #7dffbf;
}
.isi-cat-pager__badge strong {
  color: #fff;
  font-size: 0.92rem;
}
.isi-cat-pager__hint {
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  color: #9fb0c2;
}
.isi-cat-pager__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.isi-pager-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.isi-pager-num {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(6, 16, 32, 0.85);
  border: 1px solid rgba(60, 220, 134, 0.25);
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  font-weight: 700;
  color: #c9d1da !important;
  text-decoration: none !important;
  transition: all 0.2s ease;
}
.isi-pager-num:hover {
  border-color: #3cdc86;
  color: #fff !important;
  transform: translateY(-2px);
}
.isi-pager-num.is-active {
  background: linear-gradient(135deg, rgba(0, 155, 61, 0.95), rgba(0, 96, 47, 0.98));
  border-color: #3cdc86;
  color: #fff !important;
  box-shadow: 0 0 24px rgba(60, 220, 134, 0.4);
}
.isi-pager-num__idx {
  font-size: 0.72rem;
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 2px;
  background: rgba(60, 220, 134, 0.14);
  color: #3cdc86;
}
.isi-pager-num.is-active .isi-pager-num__idx {
  background: rgba(0, 0, 0, 0.28);
  color: #fff;
}
.isi-pager-num__count {
  font-size: 0.72rem;
  padding: 1px 7px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: #dfe5ec;
}
.isi-pager-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(12, 27, 51, 0.9);
  border: 1px solid rgba(60, 220, 134, 0.35);
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.84rem;
  font-weight: 800;
  color: #7dffbf !important;
  text-decoration: none !important;
  transition: all 0.2s;
}
.isi-pager-arrow:hover:not(.is-disabled) {
  background: var(--green, #009b3d);
  color: #fff !important;
}
.isi-pager-arrow.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* 3D Course Cards Grid inside each Category Page */
.isi-cat-cards-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 26px;
}
.isi-cat-grid-item {
  display: flex;
  perspective: 1200px;
}
.isi-card-3d {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: linear-gradient(160deg, rgba(15, 34, 64, 0.94), rgba(8, 19, 37, 0.98));
  border: 1px solid rgba(60, 220, 134, 0.28);
  border-bottom: 3px solid #3cdc86;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 24px 55px -25px rgba(0, 0, 0, 0.85);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s, box-shadow 0.25s;
}
.isi-card-3d:hover {
  transform: translateY(-6px) rotateX(2deg);
  border-color: #3cdc86;
  box-shadow: 0 30px 65px -20px rgba(0, 0, 0, 0.9), 0 0 32px rgba(0, 155, 61, 0.26);
}
.isi-card-3d__top-rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: rgba(0, 155, 61, 0.16);
  border-bottom: 1px solid rgba(60, 220, 134, 0.24);
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.isi-card-3d__lift {
  color: #3cdc86;
}
.isi-card-3d__level {
  padding: 2px 8px;
  background: rgba(6, 16, 32, 0.8);
  border: 1px solid rgba(60, 220, 134, 0.38);
  border-radius: 2px;
  color: #fff;
}
.isi-card-3d__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #071326;
}
.isi-card-3d__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.isi-card-3d:hover .isi-card-3d__media img {
  transform: scale(1.07);
}
.isi-card-3d__cat-chip {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 10px;
  background: rgba(7, 18, 36, 0.9);
  border: 1px solid rgba(60, 220, 134, 0.45);
  border-radius: 3px;
  font-family: var(--sans, sans-serif);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7dffbf;
}
.isi-card-3d__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px 18px;
  gap: 10px;
}
.isi-card-3d__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  color: #9fb0c2;
}
.isi-card-3d__specs i {
  color: #3cdc86;
  margin-right: 4px;
}
.isi-card-3d__title {
  margin: 0;
  font-family: var(--sans, sans-serif);
  font-weight: 800;
  font-stretch: 108%;
  font-size: 1.14rem;
  line-height: 1.25;
}
.isi-card-3d__title a {
  color: #fff !important;
  text-decoration: none !important;
  transition: color 0.2s;
}
.isi-card-3d__title a:hover {
  color: #3cdc86 !important;
}
.isi-card-3d__sum {
  margin: 0 !important;
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  line-height: 1.48;
  color: #b8c7d6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.isi-card-3d__prereq {
  padding: 10px 12px;
  background: rgba(6, 16, 32, 0.65);
  border-left: 3px solid #3cdc86;
  border-radius: 3px;
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  color: #8fa3b8;
}
.isi-card-3d__prereq strong {
  display: block;
  color: #dfe5ec;
  margin-top: 2px;
}
.isi-card-3d__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(201, 209, 218, 0.12);
}

/* Bottom Category Pagination Footer */
.isi-cat-pager-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
  padding: 18px 24px;
  background: rgba(11, 25, 48, 0.85);
  border: 1px solid rgba(60, 220, 134, 0.28);
  border-radius: 6px;
}
.isi-pager-step-btn {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  background: rgba(0, 155, 61, 0.2);
  border: 1px solid rgba(60, 220, 134, 0.45);
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  font-weight: 800;
  color: #fff;
  transition: all 0.2s;
}
.isi-pager-step-btn:hover:not(:disabled) {
  background: var(--green, #009b3d);
  box-shadow: 0 0 24px rgba(60, 220, 134, 0.4);
}
.isi-pager-step-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.isi-pager-dots {
  display: flex;
  gap: 8px;
}
.isi-pager-dot {
  all: unset;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: rgba(6, 16, 32, 0.85);
  border: 1px solid rgba(60, 220, 134, 0.3);
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.82rem;
  font-weight: 800;
  color: #9fb0c2;
  transition: all 0.2s;
}
.isi-pager-dot.is-active,
.isi-pager-dot:hover {
  background: var(--green, #009b3d);
  border-color: #3cdc86;
  color: #fff;
  box-shadow: 0 0 18px rgba(60, 220, 134, 0.4);
}

/* ==========================================================================
   SCI-FI 3D CONTACT PAGE (/contact)
   ========================================================================== */

.isi-contact-page {
  background: #061020;
  color: #dfe5ec;
}
.isi-chero {
  padding-top: clamp(145px, 18vh, 190px);
  padding-bottom: clamp(60px, 8vw, 95px);
}
.isi-chero__copy {
  max-width: 960px;
}
.isi-chero__quick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}
.isi-chero__qcard {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: rgba(10, 24, 46, 0.82);
  border: 1px solid rgba(60, 220, 134, 0.3);
  border-left: 3px solid #3cdc86;
  border-radius: 4px;
  text-decoration: none !important;
  backdrop-filter: blur(10px);
  transition: all 0.22s ease;
}
.isi-chero__qcard:hover {
  transform: translateY(-3px);
  border-color: #3cdc86;
  background: rgba(0, 155, 61, 0.18);
}
.isi-chero__qcode {
  font-family: var(--sans, sans-serif);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #3cdc86;
}
.isi-chero__qcard strong {
  font-family: var(--sans, sans-serif);
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
}
.isi-chero__qcard span:last-child {
  font-family: var(--sans, sans-serif);
  font-size: 0.82rem;
  color: #9fb0c2;
}

.isi-contact-matrix {
  padding: clamp(60px, 8vw, 110px) 0;
  background:
    repeating-linear-gradient(90deg, rgba(60, 220, 134, 0.025) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(60, 220, 134, 0.025) 0 1px, transparent 1px 72px),
    #061020;
  border-top: 1px solid rgba(60, 220, 134, 0.25);
}
.isi-contact-matrix__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 4.5vw, 56px);
  align-items: start;
}
.isi-contact-channels {
  display: grid;
  gap: 20px;
}
.isi-channel-card {
  background: linear-gradient(160deg, rgba(13, 29, 54, 0.9), rgba(8, 19, 37, 0.95));
  border: 1px solid rgba(60, 220, 134, 0.26);
  border-radius: 6px;
  padding: 24px;
  box-shadow: 0 24px 55px -25px rgba(0, 0, 0, 0.8);
}
.isi-channel-card--verify {
  border-color: rgba(60, 220, 134, 0.45);
  background: linear-gradient(160deg, rgba(0, 155, 61, 0.16), rgba(8, 19, 37, 0.95));
}
.isi-channel-card__tag {
  display: inline-block;
  font-family: var(--sans, sans-serif);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #7dffbf;
  margin-bottom: 8px;
}
.isi-channel-card h3 {
  font-family: var(--sans, sans-serif);
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.isi-channel-card h3 i {
  color: #3cdc86;
}
.isi-channel-card p {
  font-family: var(--sans, sans-serif);
  font-size: 0.92rem;
  color: #9fb0c2;
  margin: 0 0 14px !important;
}
.isi-channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.isi-channel-list li {
  font-family: var(--sans, sans-serif);
  font-size: 1.02rem;
  font-weight: 700;
  color: #fff;
}
.isi-channel-list a {
  color: #3cdc86 !important;
  text-decoration: none !important;
}
.isi-channel-list a:hover {
  text-decoration: underline !important;
}
.isi-channel-card__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.isi-channel-card__links a {
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  font-weight: 700;
  color: #3cdc86 !important;
  text-decoration: none !important;
}
.isi-channel-card__links a:hover {
  color: #fff !important;
}

/* Right Column: Holographic Contact Form Terminal */
.isi-contact-terminal {
  background: linear-gradient(165deg, rgba(13, 30, 56, 0.94), rgba(7, 17, 34, 0.98));
  border: 1px solid rgba(60, 220, 134, 0.35);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 75px -25px rgba(0, 0, 0, 0.85);
}
.isi-contact-terminal__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 26px;
  background: rgba(0, 155, 61, 0.18);
  border-bottom: 1px solid rgba(60, 220, 134, 0.28);
  font-family: var(--sans, sans-serif);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #7dffbf;
}
.isi-contact-terminal__body {
  padding: clamp(24px, 4vw, 38px);
}
.isi-contact-terminal__title {
  font-family: var(--sans, sans-serif);
  font-weight: 900;
  font-stretch: 110%;
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2.1rem);
  color: #fff;
  margin: 0 0 20px;
}
.isi-contact-alert--ok {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  margin-bottom: 20px;
  background: rgba(0, 155, 61, 0.22);
  border: 1px solid #3cdc86;
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-weight: 700;
  color: #fff;
}
.isi-contact-alert--ok i { color: #3cdc86; }

.isi-topic-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(201, 209, 218, 0.14);
}
.isi-topic-pills__lbl {
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  color: #8fa3b8;
  margin-right: 4px;
}
.isi-topic-pill {
  all: unset;
  cursor: pointer;
  padding: 6px 12px;
  background: rgba(6, 16, 32, 0.8);
  border: 1px solid rgba(60, 220, 134, 0.28);
  border-radius: 20px;
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  color: #c9d1da;
  transition: all 0.2s;
}
.isi-topic-pill:hover,
.isi-topic-pill.is-on {
  background: var(--green, #009b3d);
  border-color: #3cdc86;
  color: #fff;
}

.isi-cform__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.isi-cform__field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.isi-cform__field--full {
  grid-column: 1 / -1;
}
.isi-cform__field label {
  font-family: var(--sans, sans-serif);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #7dffbf;
}
.isi-cform__field input,
.isi-cform__field textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(6, 15, 30, 0.85);
  border: 1.5px solid rgba(60, 220, 134, 0.3);
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.98rem;
  color: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.isi-cform__field input::placeholder,
.isi-cform__field textarea::placeholder {
  color: rgba(201, 209, 218, 0.38);
}
.isi-cform__field input:focus,
.isi-cform__field textarea:focus {
  outline: none;
  border-color: #3cdc86;
  box-shadow: 0 0 0 4px rgba(60, 220, 134, 0.16);
}
.isi-cform__err {
  margin: 0 !important;
  font-family: var(--sans, sans-serif);
  font-size: 0.82rem;
  color: #ff6b5e;
}
.isi-cform__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
}
.isi-cform__submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border: 0;
  border-radius: 4px;
  background: var(--green, #009b3d);
  color: #fff;
  font-family: var(--sans, sans-serif);
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.isi-cform__submit:hover {
  background: #00b848;
  box-shadow: 0 0 28px rgba(60, 220, 134, 0.45);
}
.isi-cform__note {
  font-family: var(--sans, sans-serif);
  font-size: 0.84rem;
  color: #8fa3b8;
}

@media (max-width: 991px) {
  .isi-explorer {
    padding-top: 150px;
  }
  .isi-explorer__head {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .isi-explorer__routes {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    scrollbar-width: none;
  }
  .isi-explorer__routes::-webkit-scrollbar {
    display: none;
  }
  .isi-explorer__routes button {
    flex: 0 0 auto;
    white-space: nowrap;
  }
  .isi-explorer__stage {
    height: auto;
    min-height: 620px;
    padding-top: 340px;
    padding-bottom: 76px;
    display: block;
  }
  .isi-explorer__stage canvas,
  .isi-explorer__hots {
    height: 340px;
    bottom: auto;
  }
  .isi-explorer__hud {
    position: relative;
    right: auto;
    top: auto;
    width: auto;
    margin: 12px var(--gutter, 16px) 0;
  }
  .isi-catalogue__head--compact {
    flex-direction: column;
    align-items: stretch;
  }
  .isi-catalogue__head--compact .isi-search {
    max-width: none;
  }
  .isi-chero__quick,
  .isi-contact-matrix__grid,
  .isi-cform__grid {
    grid-template-columns: 1fr;
  }
  .isi-cat-Pager,
  .isi-cat-pager-bottom {
    flex-direction: column;
    align-items: stretch;
  }
  .isi-cat-pager__controls {
    justify-content: space-between;
  }
  .isi-pager-numbers {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575px) {
  .isi-explorer {
    padding-top: 132px;
  }
  .isi-explorer__title {
    font-size: 1.55rem;
  }
  .isi-explorer__lede {
    font-size: 0.85rem;
  }
  .isi-explorer__dock {
    padding: 5px 8px;
    gap: 3px;
  }
  .isi-dock-btn {
    padding: 6px 9px;
    font-size: 0.74rem;
  }
  .isi-dock-btn span {
    display: none;
  }
  .isi-cat-cards-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .isi-pager-numbers {
    grid-template-columns: 1fr;
  }
  .isi-scaf-tower__header {
    padding-bottom: 12px;
    margin-bottom: 16px;
    gap: 10px;
  }
  .isi-scaf-tower__meta {
    flex-wrap: wrap;
    gap: 8px;
  }
  .isi-cform__actions,
  .isi-cform__submit {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================================
   10. FAQ 3D KNOWLEDGE & GOVERNANCE TERMINAL (/faq)
   ============================================================================ */
.isi-faq-page {
  background: #061020;
  color: #dfe5ec;
}
.isi-faq-page .isi-wrap {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 40px);
  padding-right: clamp(20px, 4vw, 40px);
}
.isi-fhero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 440px at 82% 24%, rgba(60, 220, 134, 0.16), transparent 65%),
    radial-gradient(700px 420px at 14% 75%, rgba(0, 155, 61, 0.12), transparent 65%),
    linear-gradient(180deg, #040b18 0%, #071326 60%, #09182e 100%);
  padding: clamp(150px, 18vh, 185px) 0 clamp(44px, 5.5vh, 64px);
  border-bottom: 1px solid rgba(60, 220, 134, 0.24);
}
.isi-fhero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(290px, 410px);
  justify-content: space-between;
  gap: clamp(24px, 3.5vw, 44px);
  align-items: center;
}
.isi-fhero__title {
  font-family: var(--sans, sans-serif);
  font-weight: 900;
  font-stretch: 112%;
  font-size: clamp(1.95rem, 1.35rem + 2vw, 2.95rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 10px 0 14px;
}
.isi-fhero__lede {
  font-family: var(--sans, sans-serif);
  font-size: clamp(0.98rem, 0.92rem + 0.25vw, 1.12rem);
  line-height: 1.65;
  color: #b4c3d4;
  max-width: 64ch;
  margin: 0 0 26px;
}
.isi-fhero__search {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 620px;
  background: rgba(5, 14, 28, 0.88);
  border: 1.5px solid rgba(60, 220, 134, 0.42);
  border-radius: 6px;
  padding: 6px 8px 6px 16px;
  box-shadow: 0 22px 50px -20px rgba(0, 0, 0, 0.85), 0 0 28px rgba(60, 220, 134, 0.14);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.isi-fhero__search:focus-within {
  border-color: #3cdc86;
  box-shadow: 0 22px 50px -20px rgba(0, 0, 0, 0.9), 0 0 0 4px rgba(60, 220, 134, 0.18);
}
.isi-fhero__search svg {
  width: 20px;
  height: 20px;
  color: #3cdc86;
  flex-shrink: 0;
  margin-right: 12px;
}
.isi-fhero__search input {
  flex: 1;
  border: 0;
  background: transparent;
  color: #fff;
  font-family: var(--sans, sans-serif);
  font-size: 0.98rem;
  padding: 10px 6px;
  outline: none;
}
.isi-fhero__search input::placeholder {
  color: rgba(180, 195, 212, 0.52);
}
.isi-fhero__search-tag {
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7dffbf;
  background: rgba(0, 155, 61, 0.2);
  border: 1px solid rgba(60, 220, 134, 0.35);
  border-radius: 4px;
  padding: 7px 12px;
  white-space: nowrap;
}

.isi-fhero__hud {
  background: linear-gradient(160deg, rgba(11, 26, 49, 0.88), rgba(6, 15, 30, 0.94));
  border: 1px solid rgba(60, 220, 134, 0.35);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 28px 65px -25px rgba(0, 0, 0, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}
.isi-fhero__hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(60, 220, 134, 0.2);
}
.isi-fhero__hud-code {
  font-family: var(--sans, sans-serif);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #3cdc86;
  text-transform: uppercase;
}
.isi-fhero__hud-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 700;
  color: #7dffbf;
}
.isi-fhero__hud-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3cdc86;
  box-shadow: 0 0 10px #3cdc86;
}
.isi-fhero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.isi-fhero__stat {
  background: rgba(5, 13, 26, 0.78);
  border: 1px solid rgba(60, 220, 134, 0.22);
  border-radius: 6px;
  padding: 12px 14px;
}
.isi-fhero__stat strong {
  display: block;
  font-family: var(--sans, sans-serif);
  font-weight: 900;
  font-size: 1.45rem;
  line-height: 1.1;
  color: #fff;
}
.isi-fhero__stat span {
  display: block;
  margin-top: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.76rem;
  color: #93a8be;
}
.isi-fhero__hud-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.isi-fhero__hud-links a {
  flex: 1 1 calc(50% - 4px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  border-radius: 4px;
  font-family: var(--sans, sans-serif);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  background: rgba(60, 220, 134, 0.12);
  border: 1px solid rgba(60, 220, 134, 0.35);
  color: #dff7ea;
  transition: all 0.2s;
}
.isi-fhero__hud-links a:hover {
  background: var(--green, #009b3d);
  color: #fff;
  border-color: #3cdc86;
}

/* FAQ Matrix Layout */
.isi-faq-sec {
  background:
    radial-gradient(850px 500px at 15% 20%, rgba(0, 155, 61, 0.07), transparent 70%),
    linear-gradient(180deg, #071326 0%, #061020 100%);
  padding: clamp(48px, 6vw, 84px) 0 clamp(72px, 8vw, 110px);
}
.isi-faq-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}
.isi-faq-rail {
  position: sticky;
  top: 118px;
  display: grid;
  gap: 20px;
}
.isi-faq-nav {
  background: linear-gradient(180deg, rgba(12, 27, 51, 0.86), rgba(7, 17, 34, 0.94));
  border: 1px solid rgba(60, 220, 134, 0.28);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 24px 55px -25px rgba(0, 0, 0, 0.8);
}
.isi-faq-nav__head {
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #3cdc86;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(60, 220, 134, 0.18);
}
.isi-faq-nav__list {
  display: grid;
  gap: 8px;
}
.isi-faq-tab {
  all: unset;
  box-sizing: border-box;
  width: 100%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 6px;
  background: rgba(5, 14, 28, 0.65);
  border: 1px solid rgba(201, 209, 218, 0.14);
  font-family: var(--sans, sans-serif);
  font-size: 0.88rem;
  font-weight: 700;
  color: #c9d4e0;
  transition: all 0.2s;
}
.isi-faq-tab:hover {
  border-color: rgba(60, 220, 134, 0.45);
  color: #fff;
  background: rgba(12, 30, 56, 0.85);
}
.isi-faq-tab.is-active {
  background: linear-gradient(90deg, rgba(0, 155, 61, 0.28), rgba(60, 220, 134, 0.12));
  border-color: #3cdc86;
  color: #fff;
  box-shadow: 0 0 22px rgba(60, 220, 134, 0.2);
}
.isi-faq-tab__count {
  font-family: var(--sans, sans-serif);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(60, 220, 134, 0.16);
  border: 1px solid rgba(60, 220, 134, 0.35);
  color: #7dffbf;
}

.isi-faq-help {
  background: linear-gradient(165deg, rgba(0, 155, 61, 0.16), rgba(8, 20, 38, 0.92));
  border: 1px solid rgba(60, 220, 134, 0.32);
  border-radius: 8px;
  padding: 20px;
}
.isi-faq-help h3 {
  font-family: var(--sans, sans-serif);
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  margin: 6px 0 8px;
}
.isi-faq-help p {
  font-family: var(--sans, sans-serif);
  font-size: 0.86rem;
  line-height: 1.55;
  color: #b0c0d2;
  margin: 0 0 14px;
}
.isi-faq-help__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 16px;
  border-radius: 5px;
  background: var(--green, #009b3d);
  color: #fff !important;
  font-family: var(--sans, sans-serif);
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration: none !important;
  transition: background 0.2s, box-shadow 0.2s;
}
.isi-faq-help__btn:hover {
  background: #00b848;
  box-shadow: 0 0 22px rgba(60, 220, 134, 0.4);
}

/* FAQ Category Group & 3D Accordion Cards */
.isi-faq-group {
  margin-bottom: 36px;
}
.isi-faq-group:last-child {
  margin-bottom: 0;
}
.isi-faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(60, 220, 134, 0.25);
}
.isi-faq-group__title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.isi-faq-group__code {
  font-family: var(--sans, sans-serif);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border-radius: 4px;
  background: rgba(0, 155, 61, 0.18);
  border: 1px solid rgba(60, 220, 134, 0.42);
  color: #3cdc86;
}
.isi-faq-group__title {
  font-family: var(--sans, sans-serif);
  font-weight: 900;
  font-size: clamp(1.22rem, 1.05rem + 0.6vw, 1.55rem);
  color: #fff;
  margin: 0;
}
.isi-faq-group__count {
  font-family: var(--sans, sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  color: #8fa3b8;
}

.isi-faq-list {
  display: grid;
  gap: 14px;
}
.isi-faq-item {
  position: relative;
  background: linear-gradient(180deg, rgba(12, 27, 51, 0.78), rgba(7, 17, 34, 0.92));
  border: 1px solid rgba(60, 220, 134, 0.22);
  border-left: 4px solid rgba(60, 220, 134, 0.55);
  border-radius: 6px;
  box-shadow: 0 18px 42px -24px rgba(0, 0, 0, 0.75);
  transition: border-color 0.22s, box-shadow 0.22s, transform 0.22s;
}
.isi-faq-item:hover {
  border-color: rgba(60, 220, 134, 0.5);
  transform: translateY(-1px);
}
.isi-faq-item.is-open {
  border-color: #3cdc86;
  border-left-color: #3cdc86;
  background: linear-gradient(180deg, rgba(15, 34, 64, 0.92), rgba(8, 20, 39, 0.96));
  box-shadow: 0 24px 55px -24px rgba(0, 0, 0, 0.9), 0 0 26px rgba(60, 220, 134, 0.14);
}
.isi-faq-q {
  all: unset;
  box-sizing: border-box;
  width: 100%;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
}
.isi-faq-q__num {
  font-family: var(--sans, sans-serif);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border-radius: 4px;
  background: rgba(6, 15, 30, 0.85);
  border: 1px solid rgba(60, 220, 134, 0.35);
  color: #7dffbf;
}
.isi-faq-q__text {
  font-family: var(--sans, sans-serif);
  font-size: clamp(0.98rem, 0.92rem + 0.2vw, 1.08rem);
  font-weight: 800;
  line-height: 1.4;
  color: #fff;
}
.isi-faq-q__icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(60, 220, 134, 0.12);
  border: 1px solid rgba(60, 220, 134, 0.38);
  color: #3cdc86;
  font-weight: 900;
  font-size: 1rem;
  transition: transform 0.22s, background 0.22s, color 0.22s;
}
.isi-faq-item.is-open .isi-faq-q__icon {
  transform: rotate(45deg);
  background: var(--green, #009b3d);
  color: #fff;
}
.isi-faq-a {
  display: none;
  padding: 0 22px 20px 76px;
  font-family: var(--sans, sans-serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: #c2d0de;
}
.isi-faq-item.is-open .isi-faq-a {
  display: block;
}
.isi-faq-a p {
  margin: 0;
  color: #c2d0de;
}
.isi-faq-empty {
  display: none;
  text-align: center;
  padding: 42px 24px;
  background: rgba(9, 21, 40, 0.82);
  border: 1px dashed rgba(60, 220, 134, 0.35);
  border-radius: 8px;
  color: #b4c3d4;
}
.isi-faq-empty.is-visible {
  display: block;
}

@media (max-width: 991px) {
  .isi-fhero {
    padding-top: 145px;
  }
  .isi-fhero__grid,
  .isi-faq-layout {
    grid-template-columns: 1fr;
  }
  .isi-faq-rail {
    position: static;
  }
  .isi-faq-a {
    padding-left: 20px;
  }
}