/* ─────────────────────────────────────────────────────────────────────────────
   ICSS Booking System — Global Theme
   Extracted from the BookFlow template design.
   ───────────────────────────────────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  background: #0a0a0f;
  font-family: 'Satoshi', sans-serif;
  color: #ffffff;
  overflow-x: hidden;
}

/* Animated gradient background */
.gradient-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
              radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.12) 0%, transparent 45%),
              radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
              #0a0a0f;
  z-index: -2;
}

/* Grid pattern overlay */
.grid-pattern {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
  pointer-events: none;
}

/* Main container */
.landing-page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

/* Navigation */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 3rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #6366f1, #ec4899, #10b981);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.logo-text {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff, #a5b4fc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-links a {
  color: #a1a1aa;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #ffffff;
}

.nav-cta {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  padding: 10px 24px;
  border-radius: 30px;
  color: white !important;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  text-decoration: none;
}

/* Hero section */
.hero {
  text-align: center;
  padding: 3rem 0 5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  color: #a5b4fc;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-badge i {
  color: #10b981;
}

.hero h1 {
  font-family: 'Clash Display', sans-serif;
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 1000px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, #ffffff, #c7d2fe, #fbcfe8, #a7f3d0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: #a1a1aa;
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 4rem;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  padding: 16px 36px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1.05rem;
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 36px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1.05rem;
  color: #e4e4e7;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Industry showcase tabs */
.showcase-section {
  padding: 3rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-family: 'Clash Display', sans-serif;
  font-size: 2.8rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-header p {
  color: #a1a1aa;
  font-size: 1.1rem;
}

/* Tab navigation */
.industry-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 500;
  color: #a1a1aa;
  cursor: pointer;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn i {
  font-size: 1rem;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #e4e4e7;
  border-color: rgba(255, 255, 255, 0.12);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(236, 72, 153, 0.1));
  border-color: rgba(99, 102, 241, 0.4);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15);
}

/* Preview panel container */
.preview-container {
  position: relative;
  min-height: 650px;
  margin-bottom: 3rem;
}

.preview-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transform: translateY(30px) scale(0.96);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

.preview-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Industry preview card styles */
.industry-card {
  background: rgba(20, 20, 30, 0.7);
  backdrop-filter: blur(20px);
  border-radius: 32px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5);
}

.industry-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 1.8rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.industry-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: white;
}

.industry-title h3 {
  font-family: 'Clash Display', sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.industry-title p {
  color: #a1a1aa;
  font-size: 0.9rem;
}

.booking-grid-mini {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
}

.mini-service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mini-service-item {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mini-service-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mini-service-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.mini-service-details h4 {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 4px;
}

.mini-service-details span {
  font-size: 0.8rem;
  color: #a1a1aa;
}

.mini-price {
  font-weight: 600;
  color: #a5b4fc;
}

.mini-form-panel {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 20px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mini-form-group {
  margin-bottom: 16px;
}

.mini-form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: #a1a1aa;
  margin-bottom: 6px;
}

.mini-input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 12px 16px;
  width: 100%;
  color: white;
  font-size: 0.9rem;
}

.mini-summary {
  background: rgba(99, 102, 241, 0.05);
  border-radius: 16px;
  padding: 16px;
  margin: 16px 0;
  border: 1px solid rgba(99, 102, 241, 0.1);
}

.mini-summary-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.mini-summary-line.total {
  font-weight: 700;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 10px;
  margin-top: 6px;
}

.mini-book-btn {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  border-radius: 40px;
  padding: 14px;
  width: 100%;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.2s;
}

.mini-book-btn:hover {
  opacity: 0.9;
}

/* Features section */
.features-section {
  padding: 5rem 0;
}

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

.feature-card {
  background: rgba(20, 20, 30, 0.5);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 2rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(236, 72, 153, 0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #a5b4fc;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-family: 'Clash Display', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: #a1a1aa;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Stats section */
.stats-section {
  padding: 4rem 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-item h4 {
  font-family: 'Clash Display', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: #a1a1aa;
  font-size: 1rem;
}

/* Footer */
.footer {
  padding: 3rem 0 2rem;
  text-align: center;
  color: #71717a;
}

/* Responsive */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero h1 {
    font-size: 3.5rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 20px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }
  .hero h1 {
    font-size: 2.8rem;
  }
  .booking-grid-mini {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .stats-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .preview-container {
    min-height: 800px;
  }
}

@media (max-width: 480px) {
  .landing-page {
    padding: 0 1rem;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-cta {
    flex-direction: column;
  }
}