/* Telegram Hub - Landing Page Design System */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-dark: #0b0f19;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(28, 36, 56, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --telegram-blue: #0088cc;
  --zid-purple: #7000FF;
  --accent-cyan: #06b6d4;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-en: 'Inter', sans-serif;
  --font-ar: 'Cairo', sans-serif;
  
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-en);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

[dir="rtl"] body {
  font-family: var(--font-ar);
}

/* Background Gradients */
.glow-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow-orb-1 {
  position: absolute;
  top: -10%;
  left: 20%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(112, 0, 255, 0.25) 0%, rgba(0,0,0,0) 70%);
  filter: blur(80px);
}

.glow-orb-2 {
  position: absolute;
  top: 40%;
  right: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, rgba(0, 136, 204, 0.25) 0%, rgba(0,0,0,0) 70%);
  filter: blur(90px);
}

/* Header & Nav */
header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
}

.logo-badge {
  background: linear-gradient(135deg, var(--zid-purple), var(--telegram-blue));
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(112, 0, 255, 0.3);
}

.logo-badge svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--telegram-blue));
  color: #fff;
  text-decoration: none;
  padding: 10px 24px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--primary-glow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6);
}

/* Hero Section */
.hero {
  max-width: 1200px;
  margin: 60px auto 100px;
  padding: 0 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: #a5b4fc;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 900px;
  background: linear-gradient(180deg, #FFFFFF 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title span {
  background: linear-gradient(135deg, #a855f7, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

/* Visual Card Mockup */
.mockup-container {
  width: 100%;
  max-width: 960px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  text-align: start;
}

.mockup-stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.stat-val {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
}

/* Features Grid */
.features {
  max-width: 1200px;
  margin: 0 auto 120px;
  padding: 0 32px;
}

.section-head {
  text-align: center;
  margin-bottom: 60px;
}

.section-head h2 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.icon-box {
  width: 54px;
  height: 54px;
  background: rgba(99, 102, 241, 0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #818cf8;
}

.icon-box svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 32px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  header {
    padding: 16px 20px;
  }
  .hero {
    margin: 40px auto 60px;
    padding: 0 20px;
  }
}