:root {
  --bg: #050814;
  --card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text: #f7f9ff;
  --muted: #9aa3c5;
  --accent: #3bc4ff;
  --radius: 16px;
  --shadow: 0 20px 50px rgba(0,0,0,0.45);
  --maxw: 1024px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 24px 16px 48px;
  background: radial-gradient(circle at 20% 20%, #0f1938 0, #050814 55%, #020309 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.gold-wash {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(40% 40% at 80% 10%, rgba(215,166,80,0.05), transparent 60%),
    radial-gradient(30% 30% at 15% 85%, rgba(215,166,80,0.04), transparent 65%);
  z-index: 1;
}
.topbar {
  width: 100%;
  max-width: var(--maxw);
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 18px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  position: sticky;
  top: 12px;
  backdrop-filter: blur(14px);
  z-index: 10;
}
.brand { display: inline-flex; gap: 8px; align-items: center; font-weight: 800; letter-spacing: -0.2px; }
.brand img { height: 22px; width: auto; display: block; filter: invert(1) brightness(1.8); }
.logo-dual {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, rgba(59,196,255,0.9), #1a2a5a 45%, #050814 100%);
  box-shadow: 0 0 24px rgba(59,196,255,0.5);
}
.logo-dual::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, rgba(59,196,255,0.7), #0c193d 60%, #040712 100%);
  box-shadow: 0 0 16px rgba(59,196,255,0.4);
}
.nav-links { display: flex; gap: 12px; flex-wrap: wrap; }
.nav-links a { color: var(--text); text-decoration: none; font-weight: 700; }
.nav-links a:hover { color: var(--accent); }
.page { width: 100%; max-width: var(--maxw); }
.hero {
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(22,32,62,0.8));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.badge { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border-radius: 999px; background: rgba(59,196,255,0.15); color: var(--accent); font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; font-size: 12px; }
.title { font-size: 32px; margin: 12px 0 8px; font-weight: 800; letter-spacing: -0.2px; }
.subtitle { color: var(--muted); margin: 0 0 16px; line-height: 1.5; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.status-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 12px; }
.status-row .pill { margin-bottom: 0; }
.btn {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}
.btn-primary { background: var(--accent); color: #04101b; border-color: rgba(59,196,255,0.4); }
.btn-secondary { background: var(--card); }
.btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.grid { margin-top: 20px; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.card {
  border-radius: var(--radius);
  padding: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.pill { display: inline-block; padding: 4px 10px; border-radius: 999px; background: rgba(255,255,255,0.05); color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.visual-block {
  margin-bottom: 16px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background:
    linear-gradient(120deg, rgba(5,8,20,0.6), rgba(59,196,255,0.12)),
    url("assets/3desite-keyvisual.png") center/cover no-repeat;
  min-height: 320px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  overflow: hidden;
}
.visual-block.ai {
  background:
    linear-gradient(140deg, rgba(5,12,24,0.65), rgba(42,124,170,0.25)),
    url("assets/ai-keyvisual.png") center/cover no-repeat;
}
.visual-block.antopeloni {
  background:
    linear-gradient(140deg, rgba(6,10,20,0.65), rgba(41,144,120,0.18)),
    url("assets/antopeloni-keyvisual.png") center/cover no-repeat;
}
.visual-block.asaiejadoo {
  background:
    linear-gradient(140deg, rgba(10,8,20,0.6), rgba(200,160,80,0.18)),
    url("assets/asaiejadoo-keyvisual.png") center/cover no-repeat;
}
.visual-block.shafayaft {
  background:
    linear-gradient(140deg, rgba(6,10,20,0.6), rgba(70,140,200,0.18)),
    url("assets/shafayaft-keyvisual.png") center/cover no-repeat;
}
.visual-block.yottabyte {
  background:
    radial-gradient(80px 80px at 20% 30%, rgba(54,208,255,0.18), transparent 60%),
    radial-gradient(120px 120px at 70% 20%, rgba(108,170,255,0.15), transparent 65%),
    radial-gradient(90px 90px at 55% 70%, rgba(36,195,255,0.12), transparent 60%),
    linear-gradient(140deg, rgba(5,8,20,0.65), rgba(36,195,255,0.14));
}
.visual-block .label {
  background: rgba(0,0,0,0.55);
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 800;
  letter-spacing: -0.1px;
  backdrop-filter: blur(6px);
}
.section { margin-top: 28px; }
.section h2 { margin: 0 0 10px; font-size: 22px; }
.section p { margin: 0 0 12px; color: var(--muted); }
.footer {
  margin-top: 32px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer .footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer a { color: var(--text); text-decoration: none; font-weight: 700; }
.footer a:hover { color: var(--accent); }
.footer small { color: var(--muted); }
@media (max-width: 600px) { .title { font-size: 26px; } }


.lang-toggle { display: flex; gap: 8px; align-items: center; }
.lang-toggle button { background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: 999px; padding: 6px 10px; font-weight: 700; cursor: pointer; }
.lang-toggle button.active { background: var(--accent); color: #04101b; border-color: rgba(59,196,255,0.5); }
body[data-lang="fa"] { direction: rtl; text-align: right; }
body[data-lang="fa"] .topbar { flex-direction: row-reverse; }
body[data-lang="fa"] .nav-links, body[data-lang="fa"] .status-row, body[data-lang="fa"] .footer-links, body[data-lang="fa"] .cta-row { justify-content: flex-end; }
body[data-lang="fa"] .brand { flex-direction: row-reverse; }
body[data-lang="fa"] .lang-toggle { justify-content: flex-start; }