/* 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 DOCUMENTS ---------- */
.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(60px, 8vw, 110px) 16px; background: #fff; }
.isi-doc__grid { max-width: 1140px; margin: 0 auto; display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.isi-doc__side { position: sticky; top: 110px; display: grid; gap: 34px; }
.isi-doc__side-title { font-family: var(--sans); font-weight: 700; font-size: .95rem; color: var(--ink); margin: 0 0 10px; }
.isi-doc__toc ol, .isi-doc__others ul { list-style: none; margin: 0; padding: 0; border-left: 2px solid #e3e7ec; }
.isi-doc__toc a, .isi-doc__others a { display: block; padding: 6px 0 6px 14px; margin-left: -2px; border-left: 2px solid transparent; font-family: var(--sans); font-size: .93rem; line-height: 1.35; color: #4a586b !important; text-decoration: none !important; }
.isi-doc__toc a:hover, .isi-doc__others a:hover { color: var(--ink) !important; }
.isi-doc__toc a.is-active, .isi-doc__others a[aria-current="page"] { color: var(--green-deep) !important; border-left-color: var(--green); font-weight: 600; }
.isi-doc__body h2:first-of-type { margin-top: 1.2em; }
.isi-doc__updated { font-family: var(--sans); font-size: .9rem; color: var(--steel-dark); }
.isi-doc__contact { margin-top: 3em !important; padding-top: 1.4em; border-top: 1px solid #e3e7ec; font-family: var(--sans); font-size: 1rem; }

@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-doc__grid { grid-template-columns: 1fr; }
  .isi-doc__side { position: static; }
  .isi-doc__others { display: none; }
  .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(140px, 17vh, 170px) 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; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: end; }
.isi-explorer__title { font-size: clamp(2.4rem, 1.2rem + 3.6vw, 4.4rem); }
.isi-explorer__routes { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.isi-explorer__routes button { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px; border: 1px solid rgba(120,255,190,.28); border-radius: 30px; font-family: var(--sans); font-weight: 600; font-size: .95rem; color: #dfe5ec; background: rgba(12,27,51,.6); transition: all .2s; }
.isi-explorer__routes button small { font-size: .75rem; 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(78vh, 760px); margin-top: 10px; }
.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); }