:root {
  --font-main: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.16);
  --shadow-card: 0 14px 40px rgba(0, 0, 0, 0.12);
  --max-width: 1180px;
  --transition: 180ms ease;
}

:root[data-theme="light"] {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-strong: #e8edf5;
  --text: #0f172a;
  --muted: #4b5563;
  --muted-2: #6b7280;
  --border: #d8deea;
  --accent: #0ea5e9;
  --accent-2: #22c55e;
  --accent-soft: rgba(14, 165, 233, 0.12);
  --pill: #0f172a;
  --overlay: rgba(255, 255, 255, 0.72);
}

:root[data-theme="dark"] {
  --bg: #0c1324;
  --panel: #101a30;
  --panel-strong: #0a1222;
  --text: #e5edf9;
  --muted: #c7d2e1;
  --muted-2: #a5b3c9;
  --border: #1f2a3f;
  --accent: #38bdf8;
  --accent-2: #34d399;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --pill: #e5edf9;
  --overlay: rgba(16, 26, 48, 0.8);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px clamp(18px, 4vw, 26px);
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-stack {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.brand-logos { display: flex; align-items: center; gap: 12px; }
.brand-logos img { height: 36px; width: auto; }
.brand-meta { display: flex; flex-direction: column; gap: 2px; font-size: 13px; color: var(--muted-2); }

.nav {
  margin-left: auto;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.nav a {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted-2);
  font-weight: 600;
  border: 1px solid transparent;
  transition: var(--transition);
}

.nav a:hover,
.nav a:focus-visible {
  border-color: var(--border);
  color: var(--text);
  background: color-mix(in srgb, var(--accent-soft) 50%, transparent);
}

.controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn,
.control-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1220;
  border: none;
  box-shadow: var(--shadow-soft);
}

.btn-ghost { background: var(--panel-strong); color: var(--text); }
.btn:hover,
.control-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-card); }

.theme-toggle,
.lang-toggle {
  border-radius: 999px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 700;
}

.toggle-pill {
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

.toggle-knob {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  top: 1px;
  left: 1px;
  transition: var(--transition);
}

[data-theme="dark"] .toggle-knob { left: 19px; background: var(--accent-2); }

.wrapper {
  width: min(var(--max-width), 95%);
  margin: 0 auto;
  padding: 28px 0 80px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: center;
  padding-top: 18px;
}

.hero-card {
  background: linear-gradient(145deg, var(--panel), color-mix(in srgb, var(--panel) 80%, var(--accent-soft)));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 4vw, 28px);
  box-shadow: var(--shadow-soft);
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 800;
  font-size: 12px;
  margin-bottom: 10px;
}

.hero h1 { margin: 0 0 12px; font-size: clamp(30px, 4vw, 46px); }
.hero-lead { margin: 0 0 18px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 3vw, 26px);
  box-shadow: var(--shadow-card);
}

.section-title { margin: 0 0 10px; font-size: 24px; }
.section-lead { margin: 0 0 16px; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card { border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; background: var(--panel-strong); box-shadow: var(--shadow-card); }
.card h3 { margin: 0 0 8px; }
.card p { margin: 0 0 12px; color: var(--muted-2); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text);
  font-weight: 700;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--muted);
}

.list strong { color: var(--text); }

.highlight {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  background: color-mix(in srgb, var(--accent-soft) 60%, transparent);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  background: var(--panel-strong);
  color: var(--muted);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 26px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.footer h4 { margin: 0 0 8px; color: var(--text); }
.footer a { color: var(--muted); font-weight: 700; }
.footer a:hover { color: var(--accent); }

.contact-pill { display: inline-flex; gap: 8px; align-items: center; padding: 10px 12px; background: var(--panel); border-radius: var(--radius-sm); border: 1px solid var(--border); color: var(--text); }

.note { color: var(--muted); font-size: 14px; }

@media (max-width: 840px) {
  .topbar-inner { flex-wrap: wrap; }
  .nav { width: 100%; }
  .controls { margin-left: auto; }
}