:root{
  --bg:#0b0d10;
  --bg-elev:#11151a;
  --surface:#161b22;
  --line:rgba(255,255,255,.06);
  --line-strong:rgba(255,255,255,.12);
  --text:#e7e9ec;
  --text-dim:#9aa0a8;
  --text-muted:#6b7280;
  --accent:#d4a14a;
  --accent-2:#b8862f;
  --danger:#c0392b;
  --ok:#3aa674;
  --radius:4px;
  --container:1240px;
  --header-h:72px;
  --font-display:"Oswald","Bebas Neue",system-ui,sans-serif;
  --font-body:"Inter","Segoe UI",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  font-size:15px;
  line-height:1.55;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;letter-spacing:.02em;margin:0;line-height:1.1;text-transform:uppercase}
h1{font-size:clamp(2.6rem,5.4vw,4.6rem);letter-spacing:.01em}
h2{font-size:clamp(1.8rem,3vw,2.6rem)}
h3{font-size:1.15rem;letter-spacing:.06em}
p{margin:0}

.container{max-width:var(--container);margin:0 auto;padding:0 28px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:50;
  display:flex;align-items:center;
  background:rgba(11,13,16,.6);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.site-header.scrolled{background:rgba(11,13,16,.92)}
.nav{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;
  background:linear-gradient(160deg,#1a1f26,#0c0f13);
  border:1px solid var(--line-strong);
  border-radius:2px;
}
.brand-mark span{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--accent);letter-spacing:.02em}
.brand-name{font-family:var(--font-display);font-size:1.05rem;letter-spacing:.18em}
.brand-name em{font-style:normal;color:var(--accent)}

.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-dim);position:relative;padding:6px 0;
  transition:color .2s;
}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--accent);
}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:1px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:1px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;font-size:.78rem;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;
  border-radius:var(--radius);transition:transform .15s ease,background .2s,border-color .2s,color .2s;
  border:1px solid transparent;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#0b0d10}
.btn-primary:hover{background:#e0b15c}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-block{width:100%;justify-content:center;padding:16px 24px}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:calc(var(--header-h) + 40px) 0 80px;
  overflow:hidden;isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.05);animation:slowZoom 24s ease-in-out infinite alternate}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 20% 30%,rgba(212,161,74,.12),transparent 55%),
    linear-gradient(180deg,rgba(11,13,16,.4) 0%,rgba(11,13,16,.85) 60%,#0b0d10 100%);
}
.hero-grid{position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 50%,black,transparent 75%);
}
@keyframes slowZoom{from{transform:scale(1.02)}to{transform:scale(1.12)}}

.hero-inner{position:relative;z-index:1;max-width:780px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--accent);margin-bottom:24px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
.hero h1{margin-bottom:22px}
.hero h1 .accent{color:var(--accent);font-style:italic;font-weight:400}
.hero-lead{color:var(--text-dim);font-size:1.1rem;max-width:560px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}
.hero-meta{display:flex;gap:48px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column;gap:4px}
.hero-meta .v{font-family:var(--font-display);font-size:1.7rem;color:var(--text)}
.hero-meta .l{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--text-muted)}

.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(58,166,116,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(58,166,116,.5)}70%{box-shadow:0 0 0 10px rgba(58,166,116,0)}100%{box-shadow:0 0 0 0 rgba(58,166,116,0)}}

/* ---------- sections ---------- */
section{padding:120px 0;position:relative}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:64px;flex-wrap:wrap}
.section-head h2 .accent{color:var(--accent);font-style:italic;font-weight:400}
.section-head p{color:var(--text-dim);max-width:420px}

/* features grid */
.features{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.feature{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--bg-elev);
  min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
  isolation:isolate;transition:transform .4s ease,border-color .3s;
}
.feature:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .8s ease}
.feature:hover img{transform:scale(1.06)}
.feature::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,13,16,0) 30%,rgba(11,13,16,.9) 100%)}
.feature-body{padding:28px}
.feature-body .num{font-family:var(--font-display);font-size:.8rem;color:var(--accent);letter-spacing:.2em;margin-bottom:10px;display:block}
.feature-body h3{margin-bottom:8px;color:var(--text)}
.feature-body p{color:var(--text-dim);font-size:.92rem}
.feature.large{grid-column:span 7;min-height:460px}
.feature.small{grid-column:span 5}
.feature.wide{grid-column:span 12;min-height:300px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.step{background:var(--bg-elev);padding:36px 28px;transition:background .25s}
.step:hover{background:#171c23}
.step .step-num{font-family:var(--font-display);font-size:2.4rem;color:var(--accent);margin-bottom:18px;display:block;line-height:1}
.step h3{margin-bottom:10px;letter-spacing:.04em}
.step p{color:var(--text-dim);font-size:.9rem}

/* download */
.download{
  position:relative;border-radius:var(--radius);
  background:linear-gradient(135deg,#13181f 0%,#0d1116 100%);
  border:1px solid var(--line-strong);
  padding:64px;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;
  overflow:hidden;
}
.download::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 90% 20%,rgba(212,161,74,.18),transparent 50%);
  pointer-events:none;
}
.download h2{margin-bottom:18px;position:relative}
.download p{color:var(--text-dim);margin-bottom:28px;position:relative}
.download-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}
.download-specs{position:relative;display:grid;gap:14px}
.spec-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-size:.88rem}
.spec-row:last-child{border-bottom:0}
.spec-row span:first-child{color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;font-size:.72rem}
.spec-row span:last-child{color:var(--text)}

/* donate */
.donate-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}
.donate-form{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;
}
.field{margin-bottom:22px}
.field label{display:block;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px}
.field input{
  width:100%;background:#0c1014;border:1px solid var(--line-strong);
  color:var(--text);padding:14px 16px;font-size:.95rem;border-radius:var(--radius);
  transition:border-color .2s,background .2s;
}
.field input:focus{outline:none;border-color:var(--accent);background:#0e1318}
.amount-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.preset{
  padding:10px 0;background:#0c1014;border:1px solid var(--line);border-radius:var(--radius);
  font-size:.85rem;color:var(--text-dim);font-weight:600;transition:all .2s;
}
.preset:hover{border-color:var(--line-strong);color:var(--text)}
.preset.active{border-color:var(--accent);color:var(--accent);background:rgba(212,161,74,.08)}
.summary{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 0;border-top:1px solid var(--line);margin:18px 0 22px;
}
.summary .v{font-family:var(--font-display);font-size:1.8rem;color:var(--accent)}
.summary .l{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-muted)}

.perks{display:grid;gap:14px}
.perk{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px;background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .2s,transform .25s;
}
.perk:hover{border-color:var(--accent);transform:translateX(4px)}
.perk-icon{
  width:44px;height:44px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(212,161,74,.1);border:1px solid rgba(212,161,74,.25);border-radius:var(--radius);
  color:var(--accent);
}
.perk h4{margin:0 0 4px;font-family:var(--font-display);font-size:1rem;letter-spacing:.06em;text-transform:uppercase}
.perk p{color:var(--text-dim);font-size:.88rem}

/* links section */
.ext-links{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.ext-link{
  display:flex;justify-content:space-between;align-items:center;
  padding:32px 36px;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--radius);transition:all .25s;
}
.ext-link:hover{border-color:var(--accent);background:#171c23}
.ext-link .ext-title{font-family:var(--font-display);font-size:1.3rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px}
.ext-link .ext-sub{font-size:.85rem;color:var(--text-dim);letter-spacing:.04em}
.ext-link .ext-arrow{font-size:1.5rem;color:var(--accent);transition:transform .25s}
.ext-link:hover .ext-arrow{transform:translateX(4px)}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#08090b;padding:80px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;margin-bottom:60px}
.footer-brand p{color:var(--text-dim);font-size:.9rem;margin:18px 0;max-width:320px}
.socials{display:flex;gap:10px}
.social{
  width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:var(--radius);
  color:var(--text-dim);transition:all .2s;
}
.social:hover{color:var(--accent);border-color:var(--accent)}
.footer-col h4{font-family:var(--font-display);font-size:.85rem;letter-spacing:.2em;color:var(--text);margin-bottom:20px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{color:var(--text-dim);font-size:.88rem;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:30px;border-top:1px solid var(--line);
  color:var(--text-muted);font-size:.8rem;flex-wrap:wrap;gap:16px;
}
.footer-bottom .legal{display:flex;gap:24px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* page hero (sub-pages) */
.page-hero{padding:calc(var(--header-h) + 100px) 0 80px;text-align:center;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% 100%,rgba(212,161,74,.12),transparent 60%);pointer-events:none}
.page-hero h1{margin-bottom:18px}
.page-hero p{color:var(--text-dim);max-width:580px;margin:0 auto}

/* mobile */
@media (max-width:960px){
  section{padding:80px 0}
  .nav-links{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:rgba(11,13,16,.98);flex-direction:column;gap:0;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 28px;width:100%}
  .nav-toggle{display:flex}
  .nav-cta .btn{display:none}
  .feature.large,.feature.small,.feature.wide{grid-column:span 12}
  .steps{grid-template-columns:1fr 1fr}
  .download{grid-template-columns:1fr;padding:40px 28px}
  .donate-grid{grid-template-columns:1fr}
  .ext-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-meta{gap:28px}
  .hero-meta .v{font-size:1.4rem}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .amount-presets{grid-template-columns:repeat(2,1fr)}
  .footer-bottom{flex-direction:column;text-align:center}
}