:root{
  /* Design tokens */
  --brand: #0b5fff;
  --brand-600: #0a4fe0;
  --brand-700: #093fb8;
  --bg: #0b0d10;
  --bg-elev: #11151b;
  --bg-soft: #0e1217;
  --text: #e6e9ef;
  --muted: #a9b1bd;
  --card: #131922;
  --border: #222b36;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #ef4444;

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-1: 0 1px 2px rgba(0,0,0,.06), 0 1px 1px rgba(0,0,0,.04);
  --shadow-2: 0 4px 16px rgba(0,0,0,.25), 0 2px 6px rgba(0,0,0,.18);
  --shadow-3: 0 10px 30px rgba(11,95,255,.25), 0 6px 16px rgba(11,95,255,.20);

  --size-1: .25rem; --size-2: .5rem; --size-3: .75rem; --size-4: 1rem; --size-5: 1.25rem; --size-6: 1.5rem; --size-7: 2rem; --size-8: 2.5rem; --size-9: 3rem; --size-10: 4rem;

  --container: 1200px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg: #ffffff;
    --bg-elev: #f7f8fa;
    --bg-soft: #f2f5f9;
    --text: #0b0d10;
    --muted: #4b5563;
    --card: #ffffff;
    --border: #e5e7eb;
  }
}

/* Base reset */
*{ box-sizing: border-box; }
html, body{ height:100%; }
body{
  margin:0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg); color: var(--text); line-height: 1.6;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }

.container{ width:100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--size-6); }

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden; z-index:999;
}
.skip-link:focus{ left: var(--size-6); top: var(--size-6); width:auto; height:auto; background: var(--bg-elev); color: var(--text); padding: var(--size-3) var(--size-4); border-radius: var(--radius-sm); box-shadow: var(--shadow-2); }

/* Header */
.site-header{ position: sticky; top:0; z-index: 50; backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); background: color-mix(in oklab, var(--bg) 80%, transparent); }
.header-inner{ display:flex; align-items:center; justify-content: space-between; gap: var(--size-6); padding: var(--size-4) 0; }
.brand{ display:flex; align-items:center; gap: var(--size-3); font-weight: 700; }
.brand-logo{ width: 36px; height: 36px; object-fit: contain; }
.brand-text{ white-space: nowrap; }

.primary-nav{ display:flex; align-items:center; gap: var(--size-6); }
.menu-toggle{ display:none; background:transparent; border:1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); padding: .5rem .75rem; }
.menu-list{ display:flex; align-items:center; gap: var(--size-5); list-style:none; padding:0; margin:0; }
.menu-list a{ padding: .4rem .6rem; border-radius: 999px; color: var(--muted); }
.menu-list a:hover{ color: var(--text); background: var(--bg-elev); }

.chip{ padding: .25rem .6rem; border-radius:999px; border:1px solid var(--border); font-size:.9rem; }
.chip-accent{ border-color: color-mix(in oklab, var(--brand) 50%, var(--border)); color: var(--brand-700); }

.header-actions{ display:flex; align-items:center; gap: var(--size-4); }
.theme-toggle{ width:40px; height:40px; border-radius: 50%; border:1px solid var(--border); background: var(--bg-elev); color: var(--text); display:grid; place-items:center; }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:.5rem; border-radius:999px; padding: .75rem 1rem; border:1px solid var(--border); background: var(--bg-elev); color: var(--text); }
.btn:hover{ filter: brightness(1.05); }
.btn-primary{ background: linear-gradient(135deg, var(--brand), var(--brand-600)); color:#fff; border-color: transparent; box-shadow: var(--shadow-3); }
.btn-ghost{ background: transparent; }

/* Sections */
.section{ padding: var(--size-10) 0; }
.section-balanced{ background: linear-gradient(180deg, color-mix(in oklab, var(--bg) 94%, transparent), color-mix(in oklab, var(--bg) 98%, transparent)); }

.section-header{ max-width: 800px; margin-inline:auto; text-align:center; margin-bottom: var(--size-8); }
.section-header h2{ font-size: clamp(1.5rem, 1rem + 2vw, 2.25rem); margin:0 0 var(--size-3); }
.section-header p{ color: var(--muted); margin:0; }

.grid{ display:grid; gap: var(--size-6); }
.grid-2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3{ grid-template-columns: repeat(3, minmax(0,1fr)); }

@media (max-width: 960px){
  .grid-3{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px){
  .grid-2, .grid-3{ grid-template-columns: 1fr; }
  .menu-toggle{ display:block; }
  .menu-list{ display:none; position:absolute; top:64px; right: var(--size-6); background: var(--bg-elev); border:1px solid var(--border); border-radius: var(--radius); padding: var(--size-4); box-shadow: var(--shadow-2); }
  .menu-list.open{ display:flex; flex-direction:column; align-items:flex-start; gap: var(--size-3); }
}

/* Hero */
.gradient-bg{ background: radial-gradient(1200px 600px at 10% 10%, color-mix(in oklab, var(--brand) 18%, transparent), transparent 60%), radial-gradient(1000px 500px at 90% 0%, color-mix(in oklab, var(--brand-600) 16%, transparent), transparent 60%); }
.section-hero{ padding-top: calc(var(--size-10) + 24px); padding-bottom: var(--size-10); }
.hero-inner{ display:grid; grid-template-columns: 1.1fr .9fr; align-items:center; gap: var(--size-8); }
.eyebrow{ letter-spacing: .08em; text-transform: uppercase; font-weight: 700; color: var(--brand-700); }
.hero-content h1{ font-size: clamp(2rem, 1.2rem + 3vw, 3rem); line-height:1.1; margin: .35em 0; }
.lead{ font-size: 1.1rem; color: var(--muted); }
.actions{ display:flex; gap: var(--size-4); flex-wrap: wrap; margin-top: var(--size-5); }
.hero-highlights{ list-style: none; display:flex; gap: var(--size-6); padding:0; margin: var(--size-6) 0 0; color: var(--muted); flex-wrap: wrap; }

.hero-visual .visual-card{ background: var(--card); border:1px solid var(--border); border-radius: var(--radius-lg); padding: var(--size-8); box-shadow: var(--shadow-2); display:grid; gap: var(--size-6); }
.stat{ display:flex; align-items:baseline; gap:.5rem; }
.stat-value{ font-size: clamp(2rem, 1rem + 4vw, 3rem); font-weight: 800; background: linear-gradient(135deg, var(--brand), var(--brand-600)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label{ color: var(--muted); }

/* Cards */
.card{ background: var(--card); border:1px solid var(--border); border-radius: var(--radius); padding: var(--size-6); box-shadow: var(--shadow-1); }
.card h3{ margin-top:0; margin-bottom: .25rem; }
.card p{ margin:0; color: var(--muted); }
.card-kicker{ font-size:.85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--brand-700); margin-bottom: .25rem; }
.card-link{ color: var(--brand-700); font-weight: 600; margin-top: var(--size-4); display:inline-block; }

/* News */
.news-grid .meta{ color: var(--muted); font-size:.9rem; }

/* Logos */
.logo-grid{ list-style:none; padding:0; margin:0; display:grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: var(--size-6); }
.logo-item{ display:grid; place-items:center; border:1px dashed var(--border); border-radius: var(--radius-sm); padding: var(--size-6); color: var(--muted); min-height: 80px; }
@media (max-width: 960px){ .logo-grid{ grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px){ .logo-grid{ grid-template-columns: repeat(2, 1fr); } }

/* Contact */
.contact-list{ margin:0; padding-left: 1rem; }
.contact-form{ display:grid; gap: var(--size-4); }
.contact-form label{ display:grid; gap: .4rem; }
.contact-form input, .contact-form textarea{
  width:100%; padding: .75rem .9rem; border-radius: 12px; border:1px solid var(--border); background: var(--bg-elev); color: var(--text);
}
.form-actions{ display:flex; justify-content:flex-end; }

/* Support (Donate) */
.bank-details{ display:grid; gap: var(--size-3); }
.data-row{ display:grid; grid-template-columns: 160px 1fr auto; align-items:center; gap: var(--size-4); background: var(--bg-elev); border:1px solid var(--border); border-radius: var(--radius-sm); padding: var(--size-4); }
.data-label{ color: var(--muted); }
.data-value{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-variant-numeric: tabular-nums; }
.copy-btn{ padding: .5rem .75rem; }
@media (max-width: 680px){
  .data-row{ grid-template-columns: 1fr; align-items:start; }
  .copy-btn{ justify-self:start; }
}

/* Footer */
.site-footer{ border-top:1px solid var(--border); padding: var(--size-8) 0; background: color-mix(in oklab, var(--bg) 96%, transparent); }
.footer-inner{ display:grid; grid-template-columns: 1.2fr .8fr; gap: var(--size-6); }
.footer-nav ul{ list-style:none; padding:0; margin:0; display:grid; gap:.5rem; }
.legal{ display:flex; align-items:center; gap: var(--size-6); flex-wrap:wrap; color: var(--muted); margin-top: var(--size-4); }
@media (max-width: 800px){ .footer-inner{ grid-template-columns: 1fr; } }

/* Motion */
.reveal{ opacity:0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* Utilities */
[data-elevated]{ box-shadow: 0 1px 0 0 var(--border); }