/* DeepSOTA AI — Single Page Styles (GitHub Pages friendly) */

:root{
  --bg: #0b1220;
  --bg-soft: #0e1527;
  --panel: #0f1a33;
  --text: #e6edf3;
  --muted: #a9b6c6;
  --brand: #1f6feb;
  --brand-2: #0b3ea8;
  --ring: rgba(31,111,235,.35);
  --shadow: 0 8px 30px rgba(3,10,40,.35);
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, #15305f 0%, transparent 60%),
              radial-gradient(1000px 500px at 120% 0%, #0b2a7c 0%, transparent 60%),
              var(--bg);
  line-height: 1.6;
}

.container{ width:min(1100px, 92vw); margin:0 auto; }

/* Header / Nav */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(1.2) blur(8px);
  background: linear-gradient(180deg, rgba(8,14,30,.9), rgba(8,14,30,.6) 60%, transparent);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.skip-link{ position:absolute; left:-999px; }
.skip-link:focus{ left:12px; top:12px; background:#000; color:#fff; padding:8px 12px; border-radius:8px; }

.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}

.brand{ display:flex; align-items:center; gap:12px; color:var(--text); text-decoration:none; font-weight:700; letter-spacing:.2px; }
.brand img{ width:36px; height:36px; border-radius:10px; }
.desktop-nav a{
  margin-left:18px; color:var(--muted); text-decoration:none; font-weight:600;
}
.desktop-nav a:hover, .desktop-nav a.active{ color:var(--text); }

.menu-btn{
  display:none; background:transparent; border:0; padding:4px; cursor:pointer;
}
.menu-btn span{ display:block; width:26px; height:2px; background:var(--text); margin:6px 0;}

/* Mobile drawer */
.mobile-drawer{
  display:none; flex-direction:column; gap:10px; padding:0 0 14px 0;
}
.mobile-drawer a{ color:var(--muted); text-decoration:none; font-weight:600; }
.mobile-drawer a:hover{ color:var(--text); }

/* Hero */
.hero{ display:grid; grid-template-columns:1.2fr .8fr; gap:28px; padding:36px 0 48px; align-items:center; }
.hero-copy h1{ font-size: clamp(28px, 4vw, 48px); line-height:1.15; margin: 6px 0 12px; }
.hero-copy p{ color:var(--muted); font-size:clamp(15px, 2vw, 18px); margin:0 0 16px; }
.accent{ color: var(--brand); }
.hero-art img{ width: 220px; height: 220px; filter: drop-shadow(var(--shadow)); border-radius: 24px; }

.cta{ display:flex; gap:12px; }
.btn{
  border-radius: 999px; padding: 12px 18px; font-weight:700; text-decoration:none; display:inline-flex; align-items:center; justify-content:center;
  border:1px solid transparent; cursor:pointer;
}
.btn.primary{ background: linear-gradient(135deg, var(--brand), var(--brand-2)); color:#fff; box-shadow: var(--shadow); }
.btn.primary:hover{ filter:brightness(1.05); }
.btn.ghost{ color:var(--text); border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.04); }
.btn.ghost:hover{ background: rgba(255,255,255,.08); }
.btn.tiny{ padding:8px 14px; font-size:14px; }

/* Sections */
.section{ padding:64px 0; }
.section-title{ font-size: clamp(22px, 3vw, 32px); margin:0 0 8px; }
.lead{ color:var(--muted); max-width:65ch; }
.pill-list{ display:flex; flex-wrap:wrap; gap:10px; padding:0; list-style:none; margin:18px 0 0; }
.pill-list li{ background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.1); padding:8px 12px; border-radius:999px; }

/* Cards grid */
.cards{ display:grid; grid-template-columns: repeat(4, 1fr); gap:16px; margin-top:24px; }
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  border-radius: 18px; padding:18px; box-shadow: var(--shadow);
}
.card .icon{ font-size:22px; margin-bottom:6px; }

/* Careers */
.jobs{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:16px; }
.job{ background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.08); border-radius: 18px; padding:18px; }
.job ul{ margin-top:8px; }

/* News */
.news-list{ list-style:none; padding:0; margin-top:6px; }
.news-list li{ display:flex; gap:12px; padding:10px 0; border-bottom:1px dashed rgba(255,255,255,.09); }
.news-list time{ color:var(--brand); font-weight:700; min-width:96px; }
.muted{ color:var(--muted); }
.tiny{ font-size:12px; }

/* Contact */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:24px; align-items:start; }
.contact-list{ list-style:none; padding:0; }
.contact-list a{ color:var(--text); }
.contact-form{
  background: rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.08); border-radius:18px; padding:18px;
}
.contact-form label{ display:block; font-weight:600; margin:10px 0 6px; }
.contact-form input, .contact-form textarea{
  width:100%; padding:12px; border-radius:12px; border:1px solid rgba(255,255,255,.15); background: rgba(10,18,40,.6);
  color:var(--text); outline:none;
}
.contact-form input:focus, .contact-form textarea:focus{ box-shadow: 0 0 0 4px var(--ring); border-color: var(--brand); }

/* Footer */
.site-footer{ border-top:1px solid rgba(255,255,255,.06); margin-top:36px; }
.ftr{ display:flex; align-items:center; justify-content:space-between; gap:14px; padding:20px 0; }
.ftr-brand{ display:flex; align-items:center; gap:10px; font-weight:800; }
.ftr-brand img{ width:28px; height:28px; border-radius:8px; }
.ftr-links a{ color:var(--muted); margin-right:16px; text-decoration:none; }
.ftr-links a:hover{ color:var(--text); }
.copyright{ color:var(--muted); }

/* Back to top */
.to-top{
  position:fixed; right:18px; bottom:18px; width:44px; height:44px; border-radius:999px; border:0;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color:#fff; font-size:20px; cursor:pointer;
  box-shadow: var(--shadow); display:none;
}

/* Responsive */
@media (max-width: 960px){
  .hero{ grid-template-columns:1fr; text-align:left; }
  .cards{ grid-template-columns: repeat(2, 1fr); }
  .jobs{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .desktop-nav{ display:none; }
  .menu-btn{ display:block; }
  .mobile-drawer{ display:flex; }
}

@media (max-width: 560px){
  .cards{ grid-template-columns: 1fr; }
}