/* ==========================================================================
   Samur Digital Invites - Agency Landing Page Styles
   Stack: Bootstrap 5 compatible, Vanilla CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  --bg-main: #0b0f19;
  --bg-card: #111827;
  --bg-card-hover: #1f293d;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --accent-gold: #d4af37;
  --accent-gold-hover: #f3ce5a;
  --accent-gold-glow: rgba(212, 175, 55, 0.25);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(212, 175, 55, 0.4);
  --wa-green: #25d366;
  --wa-green-hover: #20ba5a;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. Global Resets & Typography
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
}

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

.serif-heading {
  font-family: var(--font-serif);
  letter-spacing: -0.02em;
}

.text-gold {
  color: var(--accent-gold) !important;
}

.text-muted-custom {
  color: var(--text-muted) !important;
}

/* --------------------------------------------------------------------------
   3. Hero Section & Badges
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 50% -20%, #1e293b 0%, var(--bg-main) 75%);
  padding: 100px 0 80px;
  border-bottom: 1px solid var(--border-subtle);
}

.badge-accent {
  background: rgba(212, 175, 55, 0.1);
  color: var(--accent-gold);
  border: 1px solid var(--border-gold);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  padding: 8px 18px;
  display: inline-block;
}

/* --------------------------------------------------------------------------
   4. Buttons & CTAs
   -------------------------------------------------------------------------- */
.btn-gold {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #aa820a 100%);
  color: #0b0f19;
  border: none;
  font-weight: 700;
  transition: var(--transition-smooth);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--accent-gold-hover) 0%, var(--accent-gold) 100%);
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px var(--accent-gold-glow);
}

.btn-whatsapp {
  background-color: var(--wa-green);
  color: #ffffff;
  border: none;
  font-weight: 700;
  transition: var(--transition-smooth);
}

.btn-whatsapp:hover {
  background-color: var(--wa-green-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
}

.btn-outline-gold {
  border: 1px solid var(--border-gold);
  color: var(--accent-gold);
  background: transparent;
  transition: var(--transition-smooth);
}

.btn-outline-gold:hover {
  background: var(--accent-gold);
  color: #0b0f19;
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   5. Interactive Demo Cards
   -------------------------------------------------------------------------- */
.demo-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 28px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.demo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.demo-card:hover {
  transform: translateY(-6px);
  background-color: var(--bg-card-hover);
  border-color: var(--border-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.demo-card:hover::before {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   6. Features Grid
   -------------------------------------------------------------------------- */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 28px 24px;
  height: 100%;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
  margin-bottom: 20px;
}

/* --------------------------------------------------------------------------
   7. Floating Quick Contact / WhatsApp Badge (Mobile Optimized)
   -------------------------------------------------------------------------- */
.floating-wa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1050;
  background: var(--wa-green);
  color: #ffffff;
  border-radius: 50px;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.floating-wa-btn:hover {
  background: var(--wa-green-hover);
  color: #ffffff;
  transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   8. Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .hero-section {
    padding: 60px 0 45px;
  }
  
  .display-4 {
    font-size: 2.2rem;
  }

  .demo-card {
    padding: 20px;
  }

  .floating-wa-btn span {
    display: none; /* Icon-only floating bubble on smaller mobile screens */
  }

  .floating-wa-btn {
    width: 50px;
    height: 50px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
}