/* ============================================================
   Zoological Education & Training Centre — Build Record
   Design system: bioactive / conservation-professional
   ============================================================ */

:root{
  --forest-900:#0d1f18;
  --forest-800:#12291f;
  --forest-700:#1a3a2b;
  --forest-600:#245240;
  --moss-500:#3d7a5a;
  --moss-400:#4f9b71;
  --lichen:#8fc9a3;
  --sand-100:#f5f1e8;
  --sand-200:#e8e0cf;
  --sand-300:#d6c9ae;
  --clay:#c07d43;
  --amber:#e0a458;
  --ink:#101613;
  --ink-soft:#3a4a42;
  --paper:#fbfaf6;
  --line:rgba(13,31,24,.12);
  --shadow-sm:0 2px 8px rgba(13,31,24,.08);
  --shadow-md:0 10px 30px rgba(13,31,24,.12);
  --shadow-lg:0 24px 60px rgba(13,31,24,.20);
  --radius:14px;
  --radius-lg:22px;
  --maxw:1180px;
  --serif:"Fraunces","Georgia","Times New Roman",serif;
  --sans:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
}

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

a{color:var(--forest-600);text-decoration:none}
a:hover{color:var(--clay)}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2.1rem,5.2vw,4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.15rem,2vw,1.45rem)}
p{margin:0 0 1.1em}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--sans);font-size:.72rem;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--moss-400);margin-bottom:1.1rem;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--amber);display:inline-block}
.eyebrow.dark{color:var(--forest-600)}

.lede{font-size:clamp(1.05rem,1.7vw,1.28rem);color:var(--ink-soft);max-width:70ch}

/* ---------- Header ---------- */
.masthead{
  position:sticky;top:0;z-index:60;
  background:rgba(13,31,24,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:66px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(145deg,var(--moss-400),var(--forest-700));
  display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-mark svg{width:21px;height:21px;fill:#eaf6ee}
.brand-text b{display:block;font-family:var(--serif);font-size:1rem;line-height:1.2;letter-spacing:-.01em}
.brand-text span{display:block;font-size:.66rem;letter-spacing:.19em;text-transform:uppercase;color:var(--lichen)}
.navlinks{display:flex;gap:26px}
.navlinks a{color:rgba(255,255,255,.78);font-size:.83rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase}
.navlinks a:hover{color:var(--amber)}
@media(max-width:860px){.navlinks{display:none}}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.9)}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(13,31,24,.86) 0%,rgba(13,31,24,.62) 42%,rgba(13,31,24,.94) 100%),
    radial-gradient(80% 60% at 15% 25%,rgba(36,82,64,.55),transparent 70%);
}
.hero-inner{padding:clamp(74px,11vw,140px) 0 clamp(60px,8vw,110px);max-width:900px}
.hero h1{color:#fff;text-shadow:0 3px 30px rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero .lede{color:rgba(255,255,255,.88)}

.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  font-size:.79rem;font-weight:600;letter-spacing:.03em;color:#fff;
  backdrop-filter:blur(4px);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}

.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:999px;
  font-weight:700;font-size:.9rem;letter-spacing:.03em;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
}
.btn-primary{background:var(--amber);color:var(--forest-900);box-shadow:var(--shadow-md)}
.btn-primary:hover{background:#f0b871;color:var(--forest-900);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}

/* ---------- Sections ---------- */
section{padding:clamp(56px,7vw,96px) 0}
.section-head{max-width:76ch;margin-bottom:44px}
.bg-sand{background:var(--sand-100)}
.bg-forest{background:var(--forest-800);color:#fff}
.bg-forest h2,.bg-forest h3{color:#fff}
.bg-forest .lede{color:rgba(255,255,255,.80)}

/* ---------- Story grid ---------- */
.story{display:grid;grid-template-columns:1.35fr .95fr;gap:52px;align-items:start}
@media(max-width:900px){.story{grid-template-columns:1fr;gap:36px}}
.story p{color:var(--ink-soft)}
.story .first::first-letter{
  font-family:var(--serif);float:left;font-size:3.6rem;line-height:.82;
  padding:6px 12px 0 0;color:var(--forest-600);
}
.factcard{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);
}
.factcard h3{font-size:1.05rem;letter-spacing:.02em}
.factlist{list-style:none;margin:0;padding:0}
.factlist li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:.93rem;color:var(--ink-soft);
}
.factlist li:last-child{border-bottom:0}
.factlist svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px;fill:var(--moss-500)}
.factlist b{color:var(--ink);display:block;font-size:.86rem;letter-spacing:.02em}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:52px}
@media(max-width:840px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:24px 22px;
}
.stat .n{font-family:var(--serif);font-size:2.3rem;line-height:1;color:var(--amber);display:block}
.stat .l{font-size:.79rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(255,255,255,.68);margin-top:10px;display:block}

/* ---------- Video gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:26px}
.vcard{
  grid-column:span 6;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.vcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.vcard.feature{grid-column:span 12}
.vcard.portrait{grid-column:span 4}
@media(max-width:980px){
  .vcard,.vcard.portrait,.vcard.feature{grid-column:span 12}
}

.vframe{position:relative;background:var(--forest-900);overflow:hidden}
.vframe video{width:100%;height:100%;object-fit:cover;background:#000;display:block}
.vframe.ratio-16x9{aspect-ratio:16/9}
.vframe.ratio-9x16{aspect-ratio:9/16;max-height:640px}
.vframe.ratio-9x16 video{object-fit:contain}

.playbtn{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(13,31,24,.15),rgba(13,31,24,.55));
  border:0;cursor:pointer;transition:opacity .3s ease;padding:0;
}
.playbtn span{
  width:74px;height:74px;border-radius:50%;
  background:rgba(255,255,255,.94);display:grid;place-items:center;
  box-shadow:var(--shadow-lg);transition:transform .25s ease,background .25s ease;
}
.playbtn span::after{
  content:"";width:0;height:0;margin-left:5px;
  border-left:22px solid var(--forest-700);
  border-top:13px solid transparent;border-bottom:13px solid transparent;
}
.playbtn:hover span{transform:scale(1.09);background:var(--amber)}
.playbtn.hidden{opacity:0;pointer-events:none}

.vbadge{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(13,31,24,.78);color:#fff;
  padding:6px 13px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  backdrop-filter:blur(6px);
}
.vtime{
  position:absolute;bottom:14px;right:14px;z-index:2;
  background:rgba(13,31,24,.78);color:#fff;
  padding:4px 10px;border-radius:6px;font-size:.74rem;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.vbody{padding:22px 24px 26px}
.vbody h3{margin-bottom:.35em}
.vbody p{font-size:.93rem;color:var(--ink-soft);margin:0}
.vtags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.tag{
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:6px;background:var(--sand-200);color:var(--forest-700);
}

/* ---------- Photo feature ---------- */
.photo-feature{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);background:var(--forest-900);
}
.photo-feature img{width:100%;height:auto;display:block}
.photo-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:56px 32px 26px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(13,31,24,.90));
}
.photo-caption h3{margin-bottom:.25em}
.photo-caption p{margin:0;font-size:.92rem;color:rgba(255,255,255,.82);max-width:62ch}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:44px;padding-left:0;list-style:none}
.timeline::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--amber),var(--moss-400),transparent);
}
.timeline li{position:relative;padding:0 0 34px 44px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:4px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--amber);box-shadow:0 0 0 4px rgba(224,164,88,.22);
}
.timeline .yr{
  font-family:var(--serif);font-size:1.25rem;color:var(--amber);display:block;line-height:1.2;
}
.timeline .tx{color:rgba(255,255,255,.80);font-size:.96rem;margin:4px 0 0}

/* ---------- Partners ---------- */
.partners{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:8px}
@media(max-width:1000px){.partners{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.partners{grid-template-columns:1fr}}
.partner{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:left;box-shadow:var(--shadow-sm);
  border-top:3px solid var(--moss-500);
}
.partner h4{font-family:var(--sans);font-size:.95rem;font-weight:700;margin:0 0 6px;letter-spacing:-.01em}
.partner p{margin:0;font-size:.82rem;color:var(--ink-soft);line-height:1.5}

/* ---------- Pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:14px}
@media(max-width:900px){.pillars{grid-template-columns:1fr}}
.pillar{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow-sm);
}
.pillar .ico{
  width:48px;height:48px;border-radius:13px;margin-bottom:16px;
  background:linear-gradient(145deg,var(--lichen),var(--moss-500));
  display:grid;place-items:center;
}
.pillar .ico svg{width:24px;height:24px;fill:#fff}
.pillar p{margin:0;font-size:.93rem;color:var(--ink-soft)}

/* ---------- Quote ---------- */
.quote{
  max-width:900px;margin:0 auto;text-align:center;
}
.quote blockquote{
  font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,2rem);line-height:1.4;
  margin:0 0 22px;color:#fff;
}
.quote cite{font-style:normal;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--lichen)}

/* ---------- Footer ---------- */
.foot{background:var(--forest-900);color:rgba(255,255,255,.62);padding:44px 0;font-size:.85rem}
.foot .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.foot b{color:#fff;font-family:var(--serif);font-weight:600}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(6,15,11,.94);
  align-items:center;justify-content:center;padding:26px;
}
.lightbox.open{display:flex}
.lightbox video{max-width:min(1200px,94vw);max-height:86vh;border-radius:12px;box-shadow:var(--shadow-lg)}
.lb-close{
  position:absolute;top:20px;right:24px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:1.5rem;line-height:1;cursor:pointer;
}
.lb-close:hover{background:var(--amber);color:var(--forest-900)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Print ---------- */
@page{size:A4;margin:14mm}
@media print{
  .masthead,.playbtn,.hero-cta,.lightbox{display:none!important}
  body{background:#fff;font-size:11pt}
  .hero{color:#000}
  .hero::after{display:none}
  .hero-media{position:static}
  section{padding:14px 0;break-inside:avoid}
  .vcard{break-inside:avoid;box-shadow:none}
  .bg-forest{background:#fff;color:#000}
  .bg-forest h2,.bg-forest h3,.quote blockquote{color:#000}
}