/* ===================================================================
   Lunara — shared website styles
   Modern, dark, glassmorphic. Matches the app's purple/blue identity.
   =================================================================== */

:root {
  --bg: #0a0820;
  --bg-2: #0d0a2e;
  --bg-card: rgba(26, 22, 56, 0.55);
  --bg-card-solid: #1a1638;
  --accent: #9580f5;
  --accent-2: #5cb0f5;
  --accent-soft: rgba(149, 128, 245, 0.14);
  --text: #ffffff;
  --text-2: #c3c0d8;
  --text-3: #807ca0;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 20px;
  --radius-lg: 28px;
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(1100px 700px at 80% -10%, rgba(149, 128, 245, 0.20), transparent 60%),
    radial-gradient(900px 600px at 0% 10%, rgba(92, 176, 245, 0.16), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* RTL support (Arabic) */
html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] .arrow { transform: scaleX(-1); display: inline-block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 760px; }

/* ---------- Header / nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: rgba(10, 8, 32, 0.6);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 0;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.brand img { width: 36px; height: 36px; border-radius: 10px; box-shadow: 0 4px 16px rgba(149,128,245,.35); }
.brand b { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-links { display: flex; gap: 18px; }
.nav-links a { color: var(--text-2); text-decoration: none; font-size: 14.5px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--text); }

/* language selector */
.lang {
  position: relative;
}
.lang select {
  appearance: none; -webkit-appearance: none;
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 8px 30px 8px 12px; font-size: 14px; font-weight: 500;
  cursor: pointer; font-family: inherit;
}
.lang::after {
  content: "▾"; position: absolute; right: 11px; top: 50%;
  transform: translateY(-50%); pointer-events: none; color: var(--text-3); font-size: 12px;
}
html[dir="rtl"] .lang select { padding: 8px 12px 8px 30px; }
html[dir="rtl"] .lang::after { right: auto; left: 11px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; text-decoration: none; font-weight: 600; font-size: 16px;
  padding: 14px 26px; border-radius: 14px;
  box-shadow: 0 10px 30px rgba(149, 128, 245, 0.35);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(149, 128, 245, 0.45); }
.btn.secondary {
  background: var(--bg-card); border: 1px solid var(--border);
  box-shadow: none; color: var(--text);
}
.btn.secondary:hover { border-color: rgba(149,128,245,.5); }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 70px 0 48px; }
.hero .icon {
  width: 104px; height: 104px; border-radius: 26px; margin: 0 auto 26px;
  box-shadow: 0 18px 50px rgba(149, 128, 245, 0.45);
  display: block;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 56px); font-weight: 800;
  letter-spacing: -1.2px; line-height: 1.05; margin-bottom: 16px;
  background: linear-gradient(180deg, #fff, #cfc7ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.lead { font-size: clamp(16px, 2.4vw, 20px); color: var(--text-2); max-width: 620px; margin: 0 auto 30px; }
.hero .cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero .micro { margin-top: 18px; color: var(--text-3); font-size: 13px; }

.badge-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-soft); border: 1px solid rgba(149,128,245,.3);
  color: #cfc7ff; padding: 7px 15px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; margin-bottom: 22px;
}

/* ---------- Section ---------- */
section { padding: 52px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.6px; margin-bottom: 12px; }
.section-head p { color: var(--text-2); font-size: 16.5px; }

/* feature grid */
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: transform .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(149,128,245,.35); }
.card .emoji {
  width: 50px; height: 50px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 25px; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(92,176,245,.12));
  border: 1px solid rgba(149,128,245,.22);
}
.card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.3px; }
.card p { color: var(--text-2); font-size: 15px; }

/* highlight band */
.band {
  background: linear-gradient(135deg, rgba(149,128,245,.16), rgba(92,176,245,.10));
  border: 1px solid rgba(149,128,245,.28); border-radius: var(--radius-lg);
  padding: 44px; text-align: center;
}
.band h2 { font-size: clamp(24px, 3.6vw, 34px); font-weight: 800; letter-spacing: -0.5px; margin-bottom: 12px; }
.band p { color: var(--text); font-size: 16.5px; max-width: 640px; margin: 0 auto; }

/* stats row */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 16px; margin-top: 30px; }
.stat { text-align: center; }
.stat b { display: block; font-size: 34px; font-weight: 800; background: linear-gradient(135deg,var(--accent),var(--accent-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat span { color: var(--text-3); font-size: 14px; }

/* ---------- Legal / content pages ---------- */
.page { padding: 50px 0 20px; }
.page-head { text-align: center; margin-bottom: 30px; }
.page-head .icon { width: 60px; height: 60px; border-radius: 16px; margin: 0 auto 14px; display: block; box-shadow: 0 8px 24px rgba(149,128,245,.35); }
.page-head h1 { font-size: clamp(28px, 5vw, 40px); font-weight: 800; letter-spacing: -0.6px; }
.page-head .updated { color: var(--text-3); font-size: 13px; margin-top: 6px; }
.summary {
  background: linear-gradient(135deg, rgba(149,128,245,.18), rgba(92,176,245,.12));
  border: 1px solid rgba(149,128,245,.3); border-radius: var(--radius);
  padding: 24px; margin-bottom: 22px;
}
.summary h2 { font-size: 18px; margin-bottom: 8px; }
.summary p { font-size: 14.5px; color: var(--text); }
.content .block {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 26px; margin-bottom: 14px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.content .block h2 { font-size: 18px; font-weight: 700; margin-bottom: 9px; color: var(--accent); letter-spacing: -0.2px; }
.content .block p { color: var(--text-2); font-size: 15px; }
.content .block p + p { margin-top: 10px; }
.content .block a { color: var(--accent-2); }

/* ---------- Footer ---------- */
footer.site { border-top: 1px solid var(--border); margin-top: 40px; padding: 34px 0; }
.foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
}
.foot .brand b { font-size: 16px; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
.foot-links a { color: var(--text-2); text-decoration: none; font-size: 14px; }
.foot-links a:hover { color: var(--text); }
.foot .copy { color: var(--text-3); font-size: 13px; width: 100%; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 680px) {
  .nav-links { display: none; }
  .hero { padding: 48px 0 34px; }
  section { padding: 40px 0; }
  .band { padding: 30px 22px; }
}