@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800&display=swap');

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; }

/* ---------- Variables ---------- */
:root {
  --bg: #2a2e36;
  --bg-elevated: #323740;
  --teal: #7de8d5;
  --orange: #e8a878;
  --text: #f0f2f5;
  --text-secondary: #a0a5b0;
  --border: rgba(240, 242, 245, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --glow-teal: 0 0 24px rgba(125, 232, 213, 0.28);
  --glow-orange: 0 0 24px rgba(232, 168, 120, 0.22);
  --transition: 0.25s ease;
  --max-width: 1080px;
}

/* ---------- Base ---------- */
body {
  font-family: 'Cairo', sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 15% -10%, rgba(125, 232, 213, 0.09), transparent 42%),
    radial-gradient(circle at 85% 15%, rgba(232, 168, 120, 0.07), transparent 40%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

html[dir="rtl"] body { text-align: right; }
html[dir="ltr"] body { text-align: left; }

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(35, 39, 47, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--teal);
  text-shadow: var(--glow-teal);
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--teal); }

.lang-toggle {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  transition: border-color var(--transition), color var(--transition);
}

.lang-toggle:hover {
  border-color: var(--teal);
  color: var(--teal);
}

/* mobile nav collapse */
@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding-block: 96px 72px;
  text-align: center;
}

.hero-title {
  font-size: clamp(3rem, 12vw, 6rem);
  font-weight: 800;
  color: var(--teal);
  text-shadow: 0 0 40px rgba(125, 232, 213, 0.35);
  margin-bottom: 20px;
}

.hero-tagline {
  font-size: clamp(1.2rem, 4vw, 1.7rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 36px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--teal);
  color: #16302b;
  box-shadow: var(--glow-teal);
}

.btn-primary:hover { transform: translateY(-2px); }

.btn-disabled {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  cursor: not-allowed;
  pointer-events: none;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--teal);
  color: var(--teal);
}

.btn-outline:hover {
  background: rgba(125, 232, 213, 0.08);
  box-shadow: var(--glow-teal);
}

.hero-note {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ---------- Features ---------- */
.section {
  padding-block: 72px;
}

.section-title {
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 720px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(125, 232, 213, 0.35);
  box-shadow: var(--glow-teal);
}

.feature-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 12px rgba(125, 232, 213, 0.35));
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- Coming soon banner ---------- */
.coming-soon {
  border: 1px solid rgba(125, 232, 213, 0.3);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  box-shadow: var(--glow-teal);
  background: rgba(125, 232, 213, 0.04);
  font-weight: 700;
  font-size: 1.05rem;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  color: var(--teal);
  font-size: 1.3rem;
  font-weight: 700;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  padding: 0 22px 20px;
  color: var(--text-secondary);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 40px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-tagline {
  color: var(--text);
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--teal); }

/* ---------- Legal / prose pages ---------- */
.prose {
  max-width: 760px;
  margin-inline: auto;
  padding-block: 64px;
}

.prose h1 {
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 800;
  color: var(--teal);
  margin-bottom: 8px;
}

.prose h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 14px;
  color: var(--text);
}

.prose p, .prose li {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.prose ul { padding-inline-start: 20px; list-style: disc; }
.prose ul li { margin-bottom: 8px; }

.prose .meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.notice-box {
  border: 1px solid rgba(232, 168, 120, 0.35);
  background: rgba(232, 168, 120, 0.06);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  color: var(--text);
  font-size: 0.92rem;
  margin-bottom: 36px;
}

.disclaimer-box {
  border: 1px solid rgba(125, 232, 213, 0.35);
  background: rgba(125, 232, 213, 0.05);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin-block: 20px;
}

/* ---------- Support page ---------- */
.support-hero {
  text-align: center;
  padding-block: 80px 40px;
}

.support-email {
  display: inline-block;
  font-size: clamp(1.3rem, 5vw, 2rem);
  font-weight: 800;
  color: var(--teal);
  text-shadow: var(--glow-teal);
  margin-block: 24px;
  transition: opacity var(--transition);
}

.support-email:hover { opacity: 0.85; }

.support-note {
  color: var(--text-secondary);
  max-width: 480px;
  margin-inline: auto;
}