/* walkthrough.css */

:root {
/* Font system */
/*
  --font-body: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: Sora, Inter, system-ui, sans-serif;
  --font-hero: Syne, Sora, Inter, system-ui, sans-serif;
*/

/*
  --font-hero: "Cormorant Garamond", Georgia, serif;
  --font-display: Syne, Sora, sans-serif;
  --font-body: "IBM Plex Sans", Inter, sans-serif;

*/

/*
  --font-hero: Sora, Inter, sans-serif;
  --font-display: Sora, Inter, sans-serif;
  --font-body: Inter, system-ui, sans-serif;
*/

  --font-hero: "Space Grotesk", Inter, sans-serif;
  --font-display: "IBM Plex Sans", Inter, sans-serif;
  --font-body: "IBM Plex Sans", Inter, sans-serif;

  --font-label: "Space Grotesk", Inter, system-ui, sans-serif;
  --font-task: Inter, system-ui, sans-serif;
  --font-quote: "Cormorant Garamond", Georgia, serif;  --bg: #07110f;
  --bg-soft: #0d1c18;
  --panel: #122620;
  --panel-light: #18342c;
  --text: #f0f4ef;
  --muted: #b7c7be;
  --accent: #9fe870;
  --accent-2: #67d6c5;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --max: 1180px;
}

.ai{
  font-style: italic;
  color: antiquewhite;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
/*  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;*/
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(103, 214, 197, 0.14), transparent 30rem),
    radial-gradient(circle at top right, rgba(159, 232, 112, 0.10), transparent 26rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: rgba(7, 17, 15, 0.84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}

.site-header,
.site-nav,
.brand {
  font-family: var(--font-label);
}

.site-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
}

main {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  min-height: 56vh;
  display: grid;
  align-content: center;
  padding: 6rem 0 1rem;
}

.eyebrow,
.label,
.zone-number {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 800;
}

.eyebrow,
.label,
.zone-number,
.task-type {
  font-family: var(--font-label);
}

.zone-list {
  display: grid;
  gap: 2rem;
  margin: 4rem 0;
}

.zone-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(18, 38, 32, 0.94), rgba(7, 17, 15, 0.94));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.zone-card > summary {
  cursor: pointer;
  list-style: none;
}

.zone-card > summary::-webkit-details-marker {
  display: none;
}

.zone-summary {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 2rem clamp(1.5rem, 4vw, 3rem);
}

.zone-summary::after {
  content: "+";
  margin-left: auto;
  color: var(--accent);
  font-size: 2rem;
  line-height: 1;
}

.zone-card[open] .zone-summary::after {
  content: "–";
}

.zone-title {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 850;
  letter-spacing: -0.04em;
}

.zone-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 2rem;
  padding: 0 clamp(1.5rem, 4vw, 3rem) clamp(2rem, 4vw, 3rem);
}

.zone-main h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.zone-hero {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--panel-light);
  margin-bottom: 2rem;
}

.zone-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
}

.zone-copy a {
  color: var(--accent);
  font-weight: 750;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
}

.hero-text {
  max-width: 760px;
  margin: 2rem 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-text,
.zone-copy,
.intro-panel p,
.zone-header p,
.task-body {
  font-family: var(--font-body);
}

.task-body a {
  color: var(--accent);
  font-weight: 750;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.task-body a:hover {
  color: var(--accent-2);
}

.jump-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.jump-grid a {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
  color: var(--muted);
}

.jump-grid span {
  display: block;
  color: var(--accent-2);
  font-weight: 800;
}

.intro-panel,
.zone {
  margin: 4rem 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(18, 38, 32, 0.92), rgba(13, 28, 24, 0.88));
  box-shadow: var(--shadow);
}

.intro-panel h2,
.zone-header h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero h1,
.zone-title,
.zone-main h2,
.intro-panel h2,
.zone-header h2 {
  font-family: var(--font-display);
}

.intro-panel p,
.zone-header p {
  max-width: 820px;
  color: var(--muted);
  font-size: 1.08rem;
}

p.zone-caption {
  color: var(--text);
  font-style: italic;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.card,
.task-card,
.media-card {
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
}

.card h3,
.task-card h3 {
  margin-top: 0;
  font-size: 1.35rem;
}

.task-card {
  border-color: rgba(159, 232, 112, 0.22);
  font-family: var(--font-task);
}

.duration {
  color: var(--accent-2);
  font-weight: 700;
}

.media-card {
  padding: 0;
  overflow: hidden;
}

.media-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--panel-light);
}

.media-card figcaption {
  padding: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.wide {
  grid-column: span 2;
}

.compact {
  padding-block: 2rem;
}

.site-footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 5rem auto 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: transparent;
    color: var(--text);
    padding: 0.5rem 0.8rem;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    padding: 1rem;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
  }

  .site-nav.open {
    display: flex;
  }

  .jump-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .wide {
    grid-column: span 1;
  }

  .site-footer {
    flex-direction: column;
  }
}

.task-card {
  border: 1px solid rgba(159, 232, 112, 0.24);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.045);
  overflow: hidden;
}

.task-card > summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.2rem;
}

.task-card > summary::-webkit-details-marker {
  display: none;
}

.task-card summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}

.task-card[open] summary::after {
  content: "–";
}

.task-type {
  display: block;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 850;
  margin-bottom: 0.55rem;
}

.task-title {
  display: block;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 850;
  line-height: 1.2;
}

.task-body {
  padding: 0 1.2rem 1.2rem;
  color: var(--muted);
}

.duration {
  color: var(--accent-2);
  font-weight: 800;
}

.task-card.task-highlight {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(159, 232, 112, 0.16);
}

@media (max-width: 960px) {
  .zone-inner {
    grid-template-columns: 1fr;
  }

  .task-rail {
    position: static;
  }
}

.trigger {
  color: var(--accent-2);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-hero{
    position:relative;
    height:90vh;
    min-height:700px;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
}

.page-hero-image{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
}

.page-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(
            rgba(4,9,8,.35),
            rgba(4,9,8,.65)
        ),
        radial-gradient(
            circle at center,
            rgba(0,0,0,0),
            rgba(0,0,0,.65)
        );
}

.page-hero-overlay{
    position:relative;
    z-index:2;
    text-align:center;
    max-width:900px;
    padding:2rem;
}

.page-kicker{
    letter-spacing:.4em;
    text-transform:uppercase;
    color:var(--accent);
    font-size:.9rem;
}

.page-title{
    margin:.3em 0;
    font-family: var(--font-hero);
    font-size:clamp(4rem,10vw,8rem);
    line-height:.9;
    letter-spacing:-.05em;
}

.page-tagline{
    font-size:1.5rem;
    color:var(--muted);
    margin-bottom:3rem;
}

.page-scroll{
    display:inline-block;
    padding:1rem 2rem;
    border:1px solid var(--line);
    border-radius:999px;
    text-decoration:none;
    color:white;
    transition:.2s;
}

.page-scroll:hover{
    background:rgba(255,255,255,.08);
}

.zone-card-full .zone-inner {
  grid-template-columns: 1fr;
}

.zone-card-full .zone-copy {
  max-width: 100%;
}

.lightbox-image {
  cursor: zoom-in;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  display: grid;
  place-items: center;
  padding: 2rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-stage {
  width: 100%;
  height: 100%;
  overflow: auto;
  display: grid;
  place-items: center;
}
/*
.lightbox-full-image {
  max-width: none;
  width: min(95vw, 1800px);
  width: auto;
  height: auto;
  transition: width 160ms ease;
}
*/

.lightbox-full-image {
  width: auto;
  height: auto;
  max-width: 95vw;
  max-height: 90vh;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 160ms ease;
}

.lightbox-close,
.lightbox-zoom {
  position: fixed;
  z-index: 101;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  cursor: pointer;
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
}

.lightbox-zoom {
  top: 1rem;
  right: 4.5rem;
}

.lightbox-zoom-out {
  right: 8rem;
}

/*  :root { color-scheme: dark; --bg:#061014; --panel:#091a20; --line:#1a6774; --cyan:#39d7e8; --green:#9be22d; --text:#eef7f8; --muted:#b8cbd0; }
  * { box-sizing: border-box; }
  body { margin:0; padding:32px; background:var(--bg); color:var(--text); font-family:Inter,Segoe UI,Arial,sans-serif; }
  h1 { margin:0 0 8px; font-weight:650; letter-spacing:.02em; }
  p { margin:0 0 22px; color:var(--muted); }*/
  .table-scroll { overflow-x:auto; border:1px solid var(--line); border-radius:12px; background:var(--panel); }
  .wrap { max-width:1500px; margin:0 auto; }
  table { width:100%; border-collapse:collapse; min-width:1050px; }
  caption { text-align:left; padding:18px 20px; color:var(--cyan); font-weight:700; }
  th, td { padding:16px 18px; text-align:left; vertical-align:top; border-bottom:1px solid rgba(57,215,232,.18); border-right:1px solid rgba(57,215,232,.12); line-height:1.45; }
  th:last-child, td:last-child { border-right:0; }
  tbody tr:last-child td { border-bottom:0; }
  thead th { position:sticky; top:0; background:#0c2b33; color:var(--cyan); font-size:.84rem; text-transform:uppercase; letter-spacing:.08em; }
  tbody th { color:var(--green); width:170px; font-size:1rem; }
  td.campaign { color:#fff; font-weight:650; white-space:nowrap; }
  tbody tr:hover { background:rgba(57,215,232,.045); }
  @media (max-width:700px) { body { padding:16px; } }