/* ── Institutional Civic Data Platform — Landing ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Institutional palette (Deep Desert Green / Warm Sand) */
  --primary: #012d1d;
  --primary-container: #1b4332;
  --primary-fixed-dim: #a5d0b9;
  --secondary: #6a5d43;
  --gold: #d6c5a5;
  --gold-dark: #b69a64;
  --surface: #f8f9fa;
  --surface-container: #edeeef;
  --surface-container-high: #e7e8e9;
  --surface-container-highest: #e1e3e4;
  --on-surface: #191c1d;
  --on-surface-variant: #414844;
  --outline: #717973;
  --outline-variant: #c1c8c2;
  --container-max: 1280px;
  --margin: 48px;
  --font: "Noto Sans Arabic", "Tajawal", "Segoe UI", system-ui, sans-serif;
}

html, body {
  font-family: var(--font);
  color: var(--on-surface);
  background: var(--surface);
  scroll-behavior: smooth;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ── Top nav ── */
.topnav {
  height: 64px; position: sticky; top: 0; z-index: 50;
  background: var(--surface); border-bottom: 1px solid var(--outline-variant);
}
.topnav-inner {
  height: 100%; max-width: var(--container-max); margin: 0 auto;
  padding: 0 var(--margin);
  display: flex; align-items: center; gap: 24px;
}
.brand {
  font-size: 20px; font-weight: 700; color: var(--primary);
  white-space: nowrap;
}

.topnav-links {
  display: flex; align-items: center; gap: 24px;
  margin-right: auto;
}
.topnav-links a {
  font-size: 14px; font-weight: 500; color: var(--on-surface-variant);
  padding-bottom: 4px; border-bottom: 2px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}
.topnav-links a:hover { color: var(--primary); }
.topnav-links a.active { color: var(--primary); border-bottom-color: var(--primary); }

.topnav-actions { display: flex; align-items: center; gap: 14px; }
.icon-btn {
  background: none; border: none; padding: 6px;
  color: var(--on-surface-variant); display: inline-flex;
  transition: color 0.15s;
}
.icon-btn:hover { color: var(--primary); }
.icon-btn .material-symbols-outlined { font-size: 22px; }

.text-btn {
  background: none; border: none;
  color: var(--primary); font-weight: 500; font-size: 14px;
  padding: 8px 16px;
}
.lang-btn {
  background: var(--primary); color: #ffffff;
  border: none; border-radius: 0;
  padding: 8px 16px; font-weight: 500; font-size: 14px;
}
.lang-btn:hover { background: var(--primary-container); }

/* ── Hero ── */
.hero {
  position: relative; overflow: hidden;
  min-height: 78vh;
  display: flex; align-items: center; justify-content: center;
  color: #ffffff;
  background: linear-gradient(135deg, #012d1d 0%, #1b4332 100%);
}
/* Subtle map-grid pattern overlay */
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, rgba(214,197,165,0.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(214,197,165,0.10) 1px, transparent 1px);
  opacity: 0.7;
}
/* Soft radial highlight to add depth */
.hero-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(214,197,165,0.10), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(1,45,29,0.4), transparent 60%);
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 980px; margin: 0 auto;
  padding: 96px var(--margin);
  text-align: center;
}
.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700; line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.hero-title .gold { color: var(--gold); }
.hero-sub {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.85;
  color: rgba(255,255,255,0.82);
  max-width: 680px; margin: 0 auto 40px;
}
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font); font-weight: 500; font-size: 14px;
  border-radius: 0; border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn .material-symbols-outlined { font-size: 18px; }
.btn-primary {
  background: var(--primary-fixed-dim);
  color: var(--primary);
  border-color: var(--primary-fixed-dim);
}
.btn-primary:hover { background: #ffffff; border-color: #ffffff; }

.btn-ghost {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,0.55);
}
.btn-ghost:hover { background: rgba(255,255,255,0.10); border-color: #ffffff; }

/* ── Stats strip ── */
.stats {
  background: var(--surface);
  padding: 64px var(--margin);
}
.stats-inner {
  max-width: var(--container-max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--outline-variant);
  border-bottom: 1px solid var(--outline-variant);
}
.stat {
  padding: 32px 16px; text-align: center;
  border-left: 1px solid var(--outline-variant);
}
.stat:last-child { border-left: none; }
.stat-num {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700; color: var(--primary);
  line-height: 1.1; margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.stat-lbl {
  font-size: 14px; font-weight: 500;
  color: var(--on-surface-variant);
}

/* ── Features ── */
.features {
  background: var(--surface);
  padding: 96px var(--margin) 80px;
}
.features-inner {
  max-width: var(--container-max); margin: 0 auto;
  text-align: center;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  color: var(--primary);
  letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 4px;
}
.section-eyebrow.gold-eyebrow { color: var(--gold); border-bottom-color: var(--gold); }
.section-title {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 600; color: var(--on-surface);
  line-height: 1.25; margin-bottom: 14px;
}
.section-title.light { color: #ffffff; }
.section-lead {
  font-size: 17px; color: var(--on-surface-variant);
  max-width: 640px; margin: 0 auto 56px;
  line-height: 1.8;
}

.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  background: #ffffff;
  border: 1px solid var(--outline-variant);
  padding: 36px 28px;
  text-align: right;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.feature:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}
.feature-num {
  font-size: 14px; font-weight: 700;
  color: var(--gold-dark);
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--outline-variant);
  display: inline-block;
}
.feature h3 {
  font-size: 20px; font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px; line-height: 1.4;
}
.feature p {
  font-size: 14px; color: var(--on-surface-variant);
  line-height: 1.85;
}

/* ── Partners ── */
.partners {
  background: linear-gradient(135deg, #012d1d 0%, #1b4332 100%);
  position: relative; overflow: hidden;
  padding: 80px var(--margin);
}
.partners::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, rgba(214,197,165,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(214,197,165,0.08) 1px, transparent 1px);
  opacity: 0.55;
}
.partners-inner {
  position: relative; z-index: 1;
  max-width: var(--container-max); margin: 0 auto;
  text-align: center;
}
.partner-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 980px; margin: 48px auto 0;
}
.partner-slot {
  height: 96px;
  border: 1.5px dashed rgba(214,197,165,0.35);
  background: rgba(255,255,255,0.03);
  display: flex; align-items: center; justify-content: center;
  color: rgba(214,197,165,0.5);
  font-size: 13px;
}
.partner-slot::after {
  content: "شعار شريك";
}

/* ── Footer ── */
.footer {
  background: var(--surface-container-highest);
  border-top: 1px solid var(--outline-variant);
  padding: 32px var(--margin);
}
.footer-inner {
  max-width: var(--container-max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.footer-brand {
  font-size: 14px; font-weight: 500;
  color: var(--on-surface);
}
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a {
  font-size: 14px; color: var(--on-surface-variant);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--primary); text-decoration: underline; text-decoration-color: var(--primary); }

/* ── Reveal animation ── */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.9s cubic-bezier(.16,1,.3,1), transform 0.9s cubic-bezier(.16,1,.3,1);
  transition-delay: var(--d, 0s);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  :root { --margin: 24px; }
  .topnav-links { display: none; }
  .topnav-inner { gap: 12px; }
  .topnav-actions { gap: 8px; }
  .text-btn { display: none; }

  .hero-inner { padding: 64px var(--margin) 80px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }

  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 1px solid var(--outline-variant); }
  .stat:nth-last-child(-n+2) { border-bottom: none; }
  .stat:nth-child(odd) { border-left: 1px solid var(--outline-variant); }
  .stat:nth-child(even) { border-left: none; }

  .features { padding: 64px var(--margin); }
  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .partners { padding: 64px var(--margin); }
  .partner-row { grid-template-columns: repeat(2, 1fr); }

  .footer-inner { flex-direction: column; text-align: center; gap: 16px; }
}