/* Shared site stylesheet for Saudi GPT */
:root {
  --accent: #D4AF37;
  --bg: #0b0f17;
  --bg-alt: #11161f;
  --ink: #e6ecf3;
  --ink-muted: #9aa6b2;
  --line: rgba(255,255,255,.10);
  --card: #141a24;
  --card-hover: #1a2230;
  --shadow: 0 18px 50px -22px rgba(0,0,0,.55);
  --radius: 14px;
  --max: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; background: var(--accent); color: #0b0f17; padding: 8px 14px; border-radius: 8px; z-index: 100; }

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 800; font-size: 1.05rem; letter-spacing: .01em;
  color: var(--ink);
}
.brand .dot { color: var(--accent); }
.nav-links { display: flex; gap: 18px; flex-wrap: wrap; }
.nav-links a {
  color: var(--ink-muted); font-weight: 500; font-size: .94rem;
  padding: 8px 4px; border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a.active { color: var(--ink); border-bottom-color: var(--accent); }

/* ===== Hero ===== */
.hero {
  padding: 96px 0 72px;
  background: radial-gradient(60% 60% at 20% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
              radial-gradient(50% 50% at 90% 10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent);
  padding: 6px 12px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  margin-bottom: 18px;
}
.h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800; line-height: 1.06; letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.h1 .accent { color: var(--accent); }
.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--ink-muted);
  max-width: 64ch;
  margin-bottom: 28px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px;
  font-weight: 700; font-size: .96rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary {
  background: var(--accent); color: #0b0f17;
}
.btn-primary:hover { transform: translateY(-1px); text-decoration: none; }
.btn-ghost {
  background: transparent; color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ===== Sections ===== */
section { padding: 72px 0; }
.section-eyebrow {
  display: inline-block; font-size: .72rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 10px;
}
.h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.section-lede { color: var(--ink-muted); max-width: 70ch; margin-bottom: 36px; }

/* ===== Value props ===== */
.grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
  font-weight: 800; margin-bottom: 14px;
}
.card h3 { font-size: 1.08rem; margin-bottom: 6px; font-weight: 700; }
.card p { color: var(--ink-muted); font-size: .96rem; }

/* ===== Pricing ===== */
.plans {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: stretch;
}
.plan {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex; flex-direction: column;
}
.plan.highlight {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  position: relative;
}
.plan.highlight::before {
  content: "Recommended";
  position: absolute; top: -12px; right: 18px;
  background: var(--accent); color: #0b0f17;
  font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.plan h3 { font-size: 1.3rem; margin-bottom: 4px; }
.plan .blurb { color: var(--ink-muted); margin-bottom: 14px; font-size: .96rem; }
.plan .price { font-size: 1.05rem; font-weight: 700; margin-bottom: 18px; }
.plan ul { list-style: none; margin-bottom: 22px; flex: 1; }
.plan li {
  padding: 7px 0 7px 22px; position: relative; font-size: .96rem;
}
.plan li::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); position: absolute; left: 4px; top: 14px;
}
.plan .btn { width: 100%; justify-content: center; }
.pricing-note {
  margin-top: 26px; color: var(--ink-muted); font-size: .9rem;
}

/* ===== FAQ ===== */
.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 10px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--accent); font-size: 1.4rem; font-weight: 800;
  transition: transform .2s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq summary:hover { background: var(--card-hover); }
.faq .answer {
  padding: 0 22px 20px;
  color: var(--ink-muted);
  font-size: .98rem;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.contact-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
}
.contact-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.contact-card p { color: var(--ink-muted); margin-bottom: 12px; font-size: .94rem; }
.contact-card a { font-weight: 700; }
.reply-note {
  margin-top: 26px; padding: 18px 22px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--radius);
  color: var(--ink);
}

/* ===== Investors ===== */
.investor-hero {
  padding: 88px 0 64px;
  background: radial-gradient(60% 60% at 80% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%);
}
.opportunity {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  color: var(--ink);
  max-width: 70ch;
  margin: 18px 0 28px;
}
.metric-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 28px 0 32px;
}
.metric {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.metric strong { display: block; font-size: 1rem; color: var(--accent); margin-bottom: 8px; letter-spacing: .04em; }
.metric span { color: var(--ink-muted); font-size: .94rem; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  color: var(--ink-muted);
  font-size: .9rem;
  margin-top: 32px;
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between;
}
.footer a { color: var(--ink-muted); }
.footer a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 720px) {
  .nav-inner { flex-direction: column; height: auto; padding: 12px 0; gap: 8px; }
  .nav-links { gap: 12px; }
  section { padding: 56px 0; }
  .hero { padding: 64px 0 48px; }
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}