@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@600;700;900&display=swap");

:root {
  --paper: #f7f2e8;
  --paper-light: #fcfaf5;
  --ink: #17211d;
  --muted: #68716c;
  --jade: #0c3b2e;
  --jade-deep: #06271e;
  --jade-soft: #315f50;
  --orange: #ff4b0b;
  --orange-dark: #dd3a04;
  --gold: #c79b57;
  --line: rgba(23, 57, 46, 0.16);
  --serif: "Noto Serif SC", "Songti SC", STSong, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --shell: min(1380px, calc(100vw - 96px));
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; overflow-x: hidden; background: var(--paper); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.ai-shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 999; top: 10px; left: 10px; padding: 10px 15px; color: white; background: var(--jade); border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.ai-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 82px;
  background: rgba(252, 250, 245, 0.84);
  border-bottom: 1px solid rgba(174, 132, 70, 0.15);
  backdrop-filter: blur(20px) saturate(150%);
  transition: height 260ms ease, box-shadow 260ms ease, background 260ms ease;
}

.ai-header.is-scrolled { height: 70px; background: rgba(252, 250, 245, 0.96); box-shadow: 0 12px 34px rgba(24, 38, 32, 0.1); }
.header-inner { display: grid; grid-template-columns: 220px 1fr 180px; gap: 20px; align-items: center; height: 100%; }
.brand { width: 178px; }
.desktop-nav { display: flex; justify-content: center; gap: clamp(20px, 2.4vw, 42px); }
.desktop-nav a { position: relative; padding: 29px 0; font-size: 14px; font-weight: 600; transition: color 180ms ease; }
.desktop-nav a::after { position: absolute; right: 50%; bottom: 20px; left: 50%; height: 2px; content: ""; background: var(--orange); transition: inset 200ms ease; }
.desktop-nav a:hover, .desktop-nav a.is-active { color: var(--orange); }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { right: 0; left: 0; }
.ai-header.is-scrolled .desktop-nav a { padding-block: 23px; }
.ai-header.is-scrolled .desktop-nav a::after { bottom: 15px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 52px; padding: 0 25px; border: 1px solid transparent; border-radius: 9px; font-weight: 700; cursor: pointer; transition: transform 220ms ease, color 220ms ease, background 220ms ease, box-shadow 220ms ease; }
.button:hover { transform: translateY(-3px); }
.button-orange { color: white; background: var(--orange); box-shadow: 0 12px 26px rgba(255, 75, 11, 0.2); }
.button-orange:hover { background: var(--orange-dark); box-shadow: 0 16px 34px rgba(255, 75, 11, 0.28); }
.button-ghost { color: var(--ink); background: rgba(255, 255, 255, 0.38); border-color: rgba(23, 33, 29, 0.5); }
.button-ghost:hover { background: white; border-color: var(--jade); }
.button-light { color: var(--jade-deep); background: var(--paper-light); }
.header-cta { justify-self: end; min-height: 44px; padding-inline: 20px; border-radius: 999px; font-size: 13px; }
.menu-button, .mobile-menu { display: none; }

.ai-hero { position: relative; min-height: 780px; overflow: hidden; padding-top: 82px; background: #f8f4eb; }
.hero-photo { position: absolute; z-index: 0; top: 82px; right: 0; width: 66%; height: calc(100% - 82px); object-fit: cover; object-position: center; transform: scale(1.01); transition: transform 150ms linear; }
.hero-shade { position: absolute; z-index: 1; inset: 82px 0 0; background: linear-gradient(90deg, #f8f4eb 0%, #f8f4eb 29%, rgba(248,244,235,.93) 39%, rgba(248,244,235,.3) 58%, transparent 72%), linear-gradient(0deg, rgba(7,33,25,.16), transparent 45%); }
.hero-lines { position: absolute; z-index: 2; inset: 82px auto 0 0; width: 52%; opacity: .48; background-image: radial-gradient(circle at 10% 54%, transparent 0 18%, rgba(187,142,76,.14) 18.15% 18.35%, transparent 18.5%), repeating-radial-gradient(ellipse at -10% 60%, transparent 0 40px, rgba(187,142,76,.08) 41px 42px); mask-image: linear-gradient(90deg, black 65%, transparent); }
.hero-inner { position: relative; z-index: 4; display: grid; grid-template-columns: minmax(520px, .88fr) minmax(360px, 1.12fr); align-items: center; gap: 60px; min-height: 698px; }
.hero-copy { max-width: 650px; padding-left: clamp(0px, 2vw, 24px); }
.eyebrow { margin: 0 0 18px; color: #986b2e; font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.hero-copy h1 { margin: 0; font-family: var(--serif); font-size: clamp(58px, 5.7vw, 86px); font-weight: 900; line-height: 1.15; letter-spacing: -.055em; }
.hero-copy h1 span { display: block; white-space: nowrap; }
.hero-subtitle { margin: 22px 0 0; color: #a77935; font-family: var(--serif); font-size: 23px; letter-spacing: .12em; }
.hero-lead { max-width: 580px; margin: 22px 0 0; color: #5d6863; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-data-card { position: absolute; right: clamp(20px, 3vw, 46px); bottom: 50px; width: min(600px, 43vw); padding: 21px 24px; color: white; background: rgba(5, 31, 23, .72); border: 1px solid rgba(235,204,150,.34); border-radius: 17px; box-shadow: 0 24px 50px rgba(3,22,16,.22); backdrop-filter: blur(15px); }
.data-head { display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,.72); font-size: 11px; letter-spacing: .1em; }
.data-head i { padding: 5px 8px; color: #ffe0ad; background: rgba(218,163,82,.18); border-radius: 99px; font-size: 8px; font-style: normal; }
.hero-data-card ol { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.hero-data-card ol::before { position: absolute; top: 12px; right: 9%; left: 9%; height: 1px; content: ""; background: rgba(255,255,255,.2); }
.hero-data-card li { position: relative; display: flex; align-items: center; flex-direction: column; gap: 7px; color: rgba(255,255,255,.47); font-size: 9px; text-align: center; }
.hero-data-card li b { z-index: 2; display: grid; width: 25px; height: 25px; place-items: center; background: #173c31; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; font-size: 8px; }
.hero-data-card li.is-done, .hero-data-card li.is-active { color: white; }
.hero-data-card li.is-done b { color: var(--jade-deep); background: var(--gold); border-color: var(--gold); }
.hero-data-card li.is-active b { border-color: #f1bd69; box-shadow: 0 0 0 5px rgba(241,189,105,.14); }
.hero-scroll { position: absolute; z-index: 5; bottom: 24px; left: 50%; display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.72); font-size: 10px; letter-spacing: .12em; transform: translateX(-50%); }
.hero-scroll i { position: relative; width: 18px; height: 28px; border: 1px solid rgba(255,255,255,.45); border-radius: 99px; }
.hero-scroll i::after { position: absolute; top: 5px; left: 50%; width: 3px; height: 5px; content: ""; background: var(--orange); border-radius: 4px; transform: translateX(-50%); animation: scroll-dot 1.8s ease infinite; }

.hero-enter { opacity: 0; transform: translateY(26px); animation: enter .8s cubic-bezier(.2,.8,.2,1) forwards; animation-delay: var(--delay); }
.capability-section { position: relative; color: white; background: var(--jade); }
.capability-section::before { position: absolute; inset: 0; content: ""; opacity: .16; background-image: repeating-radial-gradient(ellipse at 50% 110%, transparent 0 35px, rgba(230,203,151,.24) 36px 37px); mask-image: linear-gradient(90deg, transparent, black, transparent); }
.capability-section .ai-shell { position: relative; display: grid; grid-template-columns: 72px minmax(270px,.7fr) minmax(0,1.3fr); gap: 38px; align-items: stretch; padding-block: 65px; }
.vertical-title { display: flex; align-items: center; justify-content: center; color: #e3c38a; border-right: 1px solid rgba(255,255,255,.16); font-family: var(--serif); font-size: 17px; letter-spacing: .22em; writing-mode: vertical-rl; }
.capability-heading { padding: 10px 8px 0 0; }
.capability-heading .eyebrow { color: #d3aa67; }
.capability-heading h2 { margin: 0; font-family: var(--serif); font-size: clamp(34px,3vw,48px); line-height: 1.35; }
.capability-heading > p:last-child { margin: 22px 0 0; color: rgba(255,255,255,.6); line-height: 1.85; }
.capability-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.capability-card { position: relative; min-height: 210px; padding: 27px; overflow: hidden; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); transition: background 260ms ease, transform 260ms ease; }
.capability-card:hover { z-index: 2; background: rgba(255,255,255,.06); transform: translateY(-3px); }
.capability-icon { float: left; display: grid; width: 38px; height: 38px; margin-right: 12px; place-items: center; color: #e4bd78; border: 1px solid rgba(225,184,113,.48); border-radius: 50%; }
.capability-card small { color: #d3ad6e; font-size: 9px; letter-spacing: .13em; }
.capability-card h3 { margin: 18px 0 9px; clear: both; font-family: var(--serif); font-size: 21px; }
.capability-card p { margin: 0; color: rgba(255,255,255,.57); font-size: 13px; line-height: 1.75; }
.capability-card i { position: absolute; right: -40px; bottom: -40px; width: 100px; height: 100px; border: 1px solid rgba(228,190,123,.15); border-radius: 50%; }

.section { padding-block: 112px; }
.section-heading { display: grid; grid-template-columns: minmax(0,.9fr) minmax(340px,1.1fr); gap: 90px; align-items: end; margin-bottom: 56px; }
.section-heading h2, .contact-copy h2 { margin: 0; font-family: var(--serif); font-size: clamp(40px,4vw,62px); line-height: 1.28; letter-spacing: -.035em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.9; }

.curriculum-section { background: var(--paper-light); }
.camp-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.camp-card { position: relative; min-height: 480px; padding: 36px 34px 28px; overflow: hidden; background: #f7f1e5; border: 1px solid rgba(146,107,51,.2); border-radius: 23px; box-shadow: 0 22px 50px rgba(41,48,43,.08); transition: transform 350ms cubic-bezier(.2,.8,.2,1), box-shadow 350ms ease; }
.camp-card:hover { transform: translateY(-9px); box-shadow: 0 30px 60px rgba(30,48,39,.14); }
.camp-card::after { position: absolute; right: -120px; bottom: -140px; width: 330px; height: 330px; content: ""; border: 1px solid rgba(154,115,58,.11); border-radius: 50%; box-shadow: 0 0 0 36px rgba(154,115,58,.035), 0 0 0 72px rgba(154,115,58,.025); }
.camp-challenge { color: white; background: var(--jade); border-color: var(--jade); }
.camp-lead { background: #e8ddc9; }
.camp-number { color: rgba(151,106,44,.25); font: 700 66px/1 Georgia,serif; }
.camp-challenge .camp-number { color: rgba(255,255,255,.13); }
.camp-age { margin: 20px 0 8px !important; color: var(--orange) !important; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.camp-card h3 { margin: 0; font-family: var(--serif); font-size: 36px; }
.camp-card > p:not(.camp-age) { min-height: 123px; margin: 18px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.camp-challenge > p:not(.camp-age) { color: rgba(255,255,255,.63); }
.camp-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.camp-tags span { padding: 7px 10px; color: #69502c; background: rgba(255,255,255,.54); border: 1px solid rgba(135,96,42,.2); border-radius: 99px; font-size: 10px; }
.camp-challenge .camp-tags span { color: rgba(255,255,255,.82); background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); }
.camp-path { position: absolute; z-index: 2; right: 34px; bottom: 30px; left: 34px; display: grid; grid-template-columns: 24px 1fr auto; align-items: center; gap: 9px; padding-top: 18px; border-top: 1px solid rgba(104,82,48,.16); font-size: 10px; }
.camp-challenge .camp-path { border-color: rgba(255,255,255,.13); }
.camp-path i { width: 22px; height: 2px; background: var(--orange); }
.camp-path b { color: inherit; }
.camp-path span { color: var(--muted); }
.camp-challenge .camp-path span { color: rgba(255,255,255,.48); }

.project-section { color: white; background: var(--jade-deep); }
.section-heading.light .eyebrow { color: #d2a96b; }
.section-heading.light > p { color: rgba(255,255,255,.57); }
.project-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; align-items: center; }
.project-card { position: relative; min-height: 540px; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; }
.project-card.project-featured { min-height: 600px; }
.project-card img, .project-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.project-card img { object-fit: cover; transition: transform 800ms cubic-bezier(.2,.8,.2,1), filter 400ms ease; }
.project-overlay { background: linear-gradient(0deg, rgba(2,19,14,.94) 0%, rgba(2,19,14,.62) 48%, rgba(2,19,14,.08) 76%); }
.project-card:hover img { transform: scale(1.06); filter: saturate(1.08); }
.project-index { position: absolute; top: 22px; right: 23px; display: grid; width: 42px; height: 42px; place-items: center; color: #f4d29d; background: rgba(5,29,22,.52); border: 1px solid rgba(239,204,146,.36); border-radius: 50%; font: 13px Georgia,serif; backdrop-filter: blur(8px); }
.project-copy { position: absolute; right: 30px; bottom: 30px; left: 30px; }
.project-copy > p { margin: 0 0 8px; color: rgba(255,255,255,.6); font-size: 12px; }
.project-copy h3 { margin: 0 0 22px; font-family: var(--serif); font-size: 36px; }
.project-copy ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px 15px; margin: 0; padding: 18px 0 0; border-top: 1px solid rgba(255,255,255,.18); list-style: none; }
.project-copy li { color: rgba(255,255,255,.74); font-size: 11px; }
.project-copy li::before { margin-right: 6px; color: #e0ab62; content: "·"; }

.theme-section { background: #f1e9dc; }
.theme-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; padding: 7px; background: rgba(255,255,255,.58); border: 1px solid var(--line); border-radius: 15px; }
.theme-tabs button { min-height: 58px; color: #626b66; background: transparent; border: 0; border-radius: 10px; cursor: pointer; font-weight: 700; transition: color 200ms ease, background 200ms ease, box-shadow 200ms ease; }
.theme-tabs button span { margin-left: 8px; color: #aa8a58; font: 11px Georgia,serif; }
.theme-tabs button.is-active { color: white; background: var(--jade); box-shadow: 0 10px 24px rgba(12,59,46,.18); }
.theme-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; min-height: 145px; padding: 34px 6px 25px; border-bottom: 1px solid rgba(38,62,52,.17); }
.theme-intro small { color: var(--gold); font-size: 9px; font-weight: 700; letter-spacing: .22em; }
.theme-intro h3 { max-width: 750px; margin: 8px 0 0; font-family: var(--serif); font-size: clamp(24px,2.4vw,34px); }
.theme-intro > span { color: #a58b64; font: 16px Georgia,serif; }
.destination-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; padding-top: 26px; }
.destination-card { position: relative; min-height: 360px; padding: 28px; overflow: hidden; background: rgba(255,255,255,.57); border: 1px solid rgba(118,91,51,.17); border-radius: 19px; transition: transform 280ms ease, box-shadow 280ms ease; }
.destination-card::before { position: absolute; inset: 0; content: ""; opacity: .13; background-image: linear-gradient(#fff,#f0dfc4), var(--destination-image); background-position: center; background-size: cover; background-blend-mode: color; mask-image: linear-gradient(0deg, black, transparent 64%); transition: opacity 280ms ease, transform 650ms ease; }
.destination-card:hover { transform: translateY(-7px); box-shadow: 0 26px 50px rgba(52,57,50,.12); }
.destination-card:hover::before { opacity: .22; transform: scale(1.04); }
.destination-mark { position: absolute; top: 26px; right: 26px; display: grid; width: 54px; height: 54px; place-items: center; color: var(--gold); border: 1px solid rgba(168,124,60,.32); border-radius: 50%; font-family: var(--serif); font-size: 18px; }
.destination-card small, .destination-card h3, .destination-card p, .destination-card > div { position: relative; z-index: 2; }
.destination-card small { color: #98703a; font-size: 10px; letter-spacing: .08em; }
.destination-card h3 { margin: 34px 0 7px; font-family: var(--serif); font-size: 32px; }
.destination-card p { margin: 0; color: var(--muted); font-size: 13px; }
.destination-card > div { position: absolute; right: 28px; bottom: 28px; left: 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.destination-card b { padding: 7px 9px; color: #5a513f; background: rgba(255,255,255,.64); border: 1px solid rgba(115,88,48,.16); border-radius: 99px; font-size: 9px; font-weight: 600; }

.contact-section { padding: 0 0 112px; background: var(--paper); }
.contact-panel { position: relative; display: grid; grid-template-columns: 220px minmax(0,1fr) auto; gap: 48px; align-items: center; min-height: 330px; overflow: hidden; padding: 52px 58px; color: white; background: radial-gradient(circle at 7% 50%, rgba(78,124,105,.45), transparent 28%), linear-gradient(120deg,#123f32,#06271e); border: 1px solid rgba(206,163,96,.27); border-radius: 28px; box-shadow: 0 28px 70px rgba(15,52,41,.18); }
.contact-copy { position: relative; z-index: 2; }
.contact-copy .eyebrow { color: #d6ad6e; }
.contact-copy h2 { font-size: clamp(35px,3.5vw,52px); }
.contact-copy > p:last-child { margin: 18px 0 0; color: rgba(255,255,255,.58); }
.contact-orbit { position: relative; width: 190px; height: 190px; }
.contact-orbit::before, .contact-orbit::after, .contact-orbit i { position: absolute; inset: 50%; content: ""; border: 1px solid rgba(224,183,112,.34); border-radius: 50%; transform: translate(-50%,-50%); }
.contact-orbit::before { width: 184px; height: 184px; border-style: dashed; animation: spin 30s linear infinite; }
.contact-orbit::after { width: 125px; height: 125px; animation: spin 22s linear infinite reverse; }
.contact-orbit i:first-child { width: 7px; height: 7px; background: var(--orange); border: 0; transform: translate(72px,-25px); }
.contact-orbit i:nth-child(2) { width: 7px; height: 7px; background: var(--gold); border: 0; transform: translate(-76px,42px); }
.contact-orbit strong { position: absolute; inset: 50%; display: grid; width: 78px; height: 78px; place-items: center; color: #efd09d; background: rgba(255,255,255,.06); border: 1px solid rgba(224,183,112,.4); border-radius: 50%; font-family: var(--serif); font-size: 28px; transform: translate(-50%,-50%); }
.contact-actions { position: relative; z-index: 2; display: flex; align-items: stretch; flex-direction: column; gap: 10px; }
.contact-actions .button { white-space: nowrap; }

.ai-footer { padding: 48px 0 26px; color: rgba(255,255,255,.62); background: #051b14; }
.footer-inner { display: grid; grid-template-columns: 180px 1fr auto; gap: 30px; align-items: center; }
.footer-inner img { width: 170px; filter: brightness(0) invert(1); }
.footer-inner p { margin: 0; font-family: var(--serif); }
.footer-inner > div { display: flex; gap: 22px; font-size: 11px; }
.footer-inner a { transition: color 180ms ease; }
.footer-inner a:hover { color: #f0c47f; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 700ms ease var(--delay,0ms), transform 700ms cubic-bezier(.2,.8,.2,1) var(--delay,0ms); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes enter { to { opacity: 1; transform: translateY(0); } }
@keyframes scroll-dot { 0%,100% { opacity:.15; transform:translate(-50%,0); } 45%{opacity:1} 75%{opacity:0;transform:translate(-50%,12px)} }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

@media (max-width: 1180px) {
  :root { --shell: min(1120px, calc(100vw - 56px)); }
  .header-inner { grid-template-columns: 190px 1fr 160px; }
  .desktop-nav { gap: 17px; }
  .desktop-nav a { font-size: 13px; }
  .hero-inner { grid-template-columns: minmax(460px,.9fr) minmax(0,1.1fr); }
  .hero-copy h1 { font-size: clamp(54px,6.1vw,74px); }
  .hero-data-card { width: 48vw; }
  .capability-section .ai-shell { grid-template-columns: 50px minmax(250px,.65fr) minmax(0,1.35fr); gap: 24px; }
  .camp-card { padding-inline: 25px; }
  .camp-path { right: 25px; left: 25px; }
  .contact-panel { grid-template-columns: 150px minmax(0,1fr) auto; padding-inline: 38px; }
  .contact-orbit { width: 140px; height: 140px; transform: scale(.75); }
}

@media (max-width: 1180px) {
  :root { --shell: min(100% - 40px, 860px); }
  .ai-header, .ai-header.is-scrolled { height: 72px; }
  .header-inner { display: flex; justify-content: space-between; }
  .brand { width: 150px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-button { display: grid; width: 44px; height: 44px; padding: 11px; place-content: center; gap: 5px; color: white; background: var(--jade); border: 0; border-radius: 50%; cursor: pointer; }
  .menu-button span { display: block; width: 20px; height: 2px; background: currentColor; transition: transform 200ms ease, opacity 200ms ease; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .mobile-menu { position: fixed; z-index: 99; inset: 72px 0 0; display: flex; flex-direction: column; padding: 24px 20px 40px; background: var(--paper-light); transform: translateX(102%); transition: transform 300ms cubic-bezier(.2,.8,.2,1); }
  .mobile-menu.is-open { transform: translateX(0); }
  .mobile-menu a { padding: 18px 5px; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 21px; font-weight: 700; }
  .ai-hero { min-height: 920px; padding-top: 72px; }
  .hero-photo { top: auto; bottom: 0; width: 100%; height: 54%; object-position: 63% center; }
  .hero-shade { inset: 72px 0 0; background: linear-gradient(180deg,#f8f4eb 0%,#f8f4eb 44%,rgba(248,244,235,.66) 57%,rgba(4,27,20,.2) 100%); }
  .hero-lines { top: 72px; width: 100%; height: 50%; }
  .hero-inner { position: relative; display: block; min-height: 848px; padding-top: 75px; }
  .hero-copy { max-width: 720px; padding-left: 0; }
  .hero-data-card { right: 5%; bottom: 38px; width: 90%; }
  .hero-scroll { display: none; }
  .capability-section .ai-shell { grid-template-columns: 1fr; }
  .vertical-title { display: none; }
  .capability-heading { max-width: 640px; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .camp-grid { grid-template-columns: 1fr; }
  .camp-card { min-height: 400px; }
  .camp-card > p:not(.camp-age) { min-height: 0; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card, .project-card.project-featured { min-height: 500px; }
  .destination-grid { grid-template-columns: 1fr; }
  .destination-card { min-height: 320px; }
  .contact-panel { grid-template-columns: 1fr; gap: 28px; }
  .contact-orbit { display: none; }
  .contact-actions { flex-direction: row; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner > div { flex-wrap: wrap; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100vw - 32px); }
  html { scroll-padding-top: 74px; }
  .brand { width: 140px; }
  .ai-hero { min-height: 870px; }
  .hero-inner { min-height: 798px; padding-top: 58px; }
  .eyebrow { font-size: 10px; }
  .hero-copy h1 { font-size: clamp(44px,13vw,60px); line-height: 1.22; }
  .hero-copy h1 span { white-space: normal; }
  .hero-subtitle { margin-top: 18px; font-size: 17px; letter-spacing: .06em; }
  .hero-lead { margin-top: 16px; font-size: 14px; line-height: 1.8; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .hero-photo { height: 45%; object-position: 66% center; }
  .hero-shade { background: linear-gradient(180deg,#f8f4eb 0%,#f8f4eb 54%,rgba(248,244,235,.72) 63%,rgba(4,27,20,.23) 100%); }
  .hero-data-card { right: 16px; bottom: 18px; width: calc(100% - 32px); padding: 16px 12px; }
  .hero-data-card ol { gap: 1px; }
  .hero-data-card li { font-size: 8px; }
  .hero-data-card li b { width: 22px; height: 22px; }
  .capability-section .ai-shell { padding-block: 54px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 190px; }
  .section { padding-block: 78px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .contact-copy h2 { font-size: 34px; }
  .section-heading > p { font-size: 14px; line-height: 1.8; }
  .camp-card { min-height: 465px; padding: 28px 22px 24px; }
  .camp-number { font-size: 52px; }
  .camp-path { right: 22px; left: 22px; }
  .project-card, .project-card.project-featured { min-height: 470px; }
  .project-copy { right: 22px; bottom: 24px; left: 22px; }
  .project-copy h3 { font-size: 31px; }
  .project-copy ul { grid-template-columns: 1fr; }
  .theme-tabs { grid-template-columns: 1fr; }
  .theme-tabs button { min-height: 50px; }
  .theme-intro { align-items: flex-start; flex-direction: column; min-height: 0; }
  .theme-intro > span { display: none; }
  .destination-card { min-height: 350px; padding: 23px; }
  .destination-card > div { right: 23px; bottom: 23px; left: 23px; }
  .contact-section { padding-bottom: 78px; }
  .contact-panel { padding: 38px 22px; border-radius: 22px; }
  .contact-actions { flex-direction: column; }
  .contact-actions .button { width: 100%; }
  .ai-footer { padding-top: 40px; }
  .footer-inner > div { align-items: flex-start; flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal,.hero-enter { opacity: 1; transform: none; }
}
