/* ============================================================================
   TOPO3D-Antilles v8 - Index Page Styles
   Requires: /css/design-system.css
   ============================================================================ */

/* Page-level variable overrides */
:root {
  --color-text-secondary-light: #A8ACB1;
  --color-accent-tertiary: #3498DB;
}

/* Body gradient override */
body {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(46, 204, 113, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(230, 126, 34, 0.02) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 100px, rgba(46, 204, 113, 0.03) 100px, rgba(46, 204, 113, 0.03) 101px);
  pointer-events: none;
  z-index: 1;
}

main {
  position: relative;
  z-index: 2;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  padding: 8px 16px;
  z-index: 10000;
  font-weight: 600;
  transition: top 0.3s;
  text-decoration: none;
  font-size: 14px;
}

.skip-link:focus {
  top: 0;
}

/* ---- NAVIGATION ---- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 25, 35, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: 14px 20px;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.5px;
}

.nav-logo::before {
  content: '\25B3';
  font-size: 20px;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary-light);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-bg-primary) !important;
  padding: 9px 18px !important;
  border-radius: 6px;
  font-weight: 600 !important;
  font-size: 12px !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-cta:hover {
  background: #35dd7f !important;
  box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px 12px;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(15, 25, 35, 0.99);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.active {
    max-height: 500px;
    padding: 16px 20px;
    gap: 12px;
  }

  .nav-links li {
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
  }

  .nav-links li:last-child {
    border-bottom: none;
  }
}

/* ---- HERO SECTION ---- */
.hero {
  margin-top: 56px;
  min-height: calc(100vh - 56px);
  background: linear-gradient(135deg, rgba(15, 25, 35, 0.85) 0%, rgba(26, 35, 50, 0.85) 100%),
              url('../hero-topo3d.webp') center/cover;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  text-align: center;
  padding: 60px 20px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(46, 204, 113, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(230, 126, 34, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
}

.hero-content h1 {
  font-size: 54px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.15;
  letter-spacing: -1px;
}

.hero-content p {
  font-size: 18px;
  color: var(--color-text-secondary-light);
  margin-bottom: 32px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero-badge {
  display: inline-block;
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 7px 16px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 24px;
}

.hero-cta-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  padding: 13px 28px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
}

.hero-cta:hover {
  background: #35dd7f;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(46, 204, 113, 0.4);
}

.hero-cta-secondary {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.hero-cta-secondary:hover {
  background: rgba(46, 204, 113, 0.1);
}

@media (max-width: 768px) {
  .hero {
    padding: 40px 20px;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .hero-content p {
    font-size: 15px;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: 12px;
  }

  .hero-cta {
    width: 100%;
    justify-content: center;
  }
}

/* ---- STATS BAR ---- */
.stats {
  background: var(--color-bg-secondary);
  padding: 50px 20px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 2;
}

.stats-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-item { padding: 16px; }

.stat-item h3 {
  font-size: 28px;
  color: var(--color-accent);
  margin-bottom: 6px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.stat-item p {
  color: var(--color-text-secondary-light);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---- TRUST SECTION ---- */
.trust {
  max-width: 1400px;
  margin: 80px auto;
  padding: 40px 20px;
  position: relative;
  z-index: 2;
}

.trust h2 {
  font-size: 28px;
  text-align: center;
  margin-bottom: 40px;
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.trust-item {
  background: rgba(26, 35, 50, 0.4);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.trust-item:hover {
  border-color: var(--color-accent);
  background: rgba(46, 204, 113, 0.05);
}

.trust-item-icon {
  font-size: 28px;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-weight: 700;
}

.trust-item h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.trust-item p {
  font-size: 12px;
  color: var(--color-text-secondary-light);
  line-height: 1.5;
}

/* ---- HOW IT WORKS ---- */
.how-it-works {
  background: var(--color-bg-secondary);
  padding: 80px 20px;
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.how-it-works h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 60px;
}

.steps-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.step {
  background: linear-gradient(135deg, rgba(26, 35, 50, 0.6) 0%, rgba(36, 45, 58, 0.4) 100%);
  padding: 40px 28px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.step:hover {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.08) 0%, rgba(230, 126, 34, 0.08) 100%);
  transform: translateY(-6px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  border-radius: 4px;
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.step h3 {
  font-size: 18px;
  margin-bottom: 12px;
  font-weight: 600;
}

.step p {
  color: var(--color-text-secondary-light);
  font-size: 13px;
  line-height: 1.6;
}

/* ---- COMPARISON ---- */
.comparison {
  max-width: 1400px;
  margin: 80px auto;
  padding: 40px 20px;
  position: relative;
  z-index: 2;
}

.comparison h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 50px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.comparison-card {
  background: linear-gradient(135deg, rgba(26, 35, 50, 0.5) 0%, rgba(36, 45, 58, 0.3) 100%);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 40px 28px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.comparison-card:hover {
  border-color: var(--color-accent-secondary);
}

.comparison-badge {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.comparison-badge.old {
  background: rgba(220, 53, 69, 0.15);
  color: #FF6B6B;
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.comparison-badge.new {
  background: rgba(46, 204, 113, 0.15);
  color: var(--color-accent);
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.comparison-metric {
  margin: 18px 0;
  padding: 16px;
  background: rgba(46, 204, 113, 0.05);
  border-radius: 6px;
  border-left: 3px solid var(--color-border);
}

.comparison-card.old .comparison-metric {
  background: rgba(220, 53, 69, 0.05);
  border-left-color: #FF6B6B;
}

.comparison-metric strong {
  color: var(--color-text-secondary-light);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.comparison-metric .value {
  color: var(--color-accent);
  font-size: 22px;
  font-weight: 700;
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
}

.comparison-card.old .value {
  color: #FF6B6B;
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- FEATURES ---- */
.features {
  max-width: 1400px;
  margin: 80px auto;
  padding: 40px 20px;
  position: relative;
  z-index: 2;
}

.features h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 50px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-item {
  background: linear-gradient(135deg, rgba(26, 35, 50, 0.5) 0%, rgba(36, 45, 58, 0.3) 100%);
  padding: 28px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.08) 0%, rgba(230, 126, 34, 0.08) 100%);
  transform: translateY(-4px);
}

.feature-item h3 {
  font-size: 15px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.feature-icon {
  font-size: 18px;
  color: var(--color-accent);
}

.feature-item p {
  color: var(--color-text-secondary-light);
  font-size: 13px;
  line-height: 1.6;
}

/* ---- PRICING ---- */
.pricing {
  background: var(--color-bg-secondary);
  padding: 80px 20px;
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pricing h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 60px;
}

.pricing-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.pricing-card {
  background: linear-gradient(135deg, rgba(26, 35, 50, 0.6) 0%, rgba(36, 45, 58, 0.4) 100%);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
}

.pricing-card:hover {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.1) 0%, rgba(230, 126, 34, 0.1) 100%);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(46, 204, 113, 0.15);
}

.pricing-card.featured {
  border: 2px solid var(--color-accent);
  transform: scale(1.05);
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.15) 0%, rgba(230, 126, 34, 0.05) 100%);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
  display: inline-block;
  background: rgba(46, 204, 113, 0.15);
  color: var(--color-accent);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.pricing-card.featured .pricing-badge {
  background: rgba(230, 126, 34, 0.15);
  color: var(--color-accent-secondary);
  border-color: rgba(230, 126, 34, 0.3);
}

.pricing-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
  font-family: var(--font-mono);
}

.pricing-period {
  color: var(--color-text-secondary-light);
  font-size: 12px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.pricing-features {
  flex-grow: 1;
  text-align: left;
  margin-bottom: 20px;
}

.pricing-features li {
  list-style: none;
  padding: 10px 0;
  color: var(--color-text-secondary-light);
  font-size: 12px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '\2713\0020';
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 8px;
}

.pricing-cta {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  padding: 11px 18px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-body);
  width: 100%;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  text-decoration: none;
  display: block;
  text-align: center;
}

.pricing-cta:hover {
  background: #35dd7f;
  box-shadow: 0 8px 20px rgba(46, 204, 113, 0.4);
}

.pricing-footnote {
  text-align: center;
  color: var(--color-text-secondary-light);
  font-size: 11px;
  margin-top: 32px;
  padding: 0 20px;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .pricing-card.featured {
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: translateY(-8px);
  }
}

/* ---- COVERAGE ---- */
.coverage {
  max-width: 1400px;
  margin: 80px auto;
  padding: 40px 20px;
  position: relative;
  z-index: 2;
}

.coverage h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 40px;
}

.coverage-content {
  background: linear-gradient(135deg, rgba(26, 35, 50, 0.5) 0%, rgba(36, 45, 58, 0.3) 100%);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 40px 28px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.coverage-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.coverage-item {
  font-size: 14px;
  padding: 12px;
  background: rgba(46, 204, 113, 0.08);
  border-left: 3px solid var(--color-accent);
  border-radius: 4px;
  font-weight: 500;
}

.coverage-item::before {
  content: '\25C9\0020';
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 8px;
}

.coverage-subtitle {
  color: var(--color-text-secondary-light);
  font-size: 13px;
  margin-top: 16px;
}

/* ---- FAQ ---- */
.faq {
  max-width: 1000px;
  margin: 80px auto;
  padding: 40px 20px;
  position: relative;
  z-index: 2;
}

.faq h2 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 50px;
}

.faq-container {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: linear-gradient(135deg, rgba(26, 35, 50, 0.5) 0%, rgba(36, 45, 58, 0.3) 100%);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.faq-question {
  width: 100%;
  padding: 18px;
  background: transparent;
  border: none;
  color: var(--color-text);
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
  font-family: var(--font-body);
}

.faq-question:hover {
  background: rgba(46, 204, 113, 0.05);
}

.faq-question::after {
  content: '\25BC';
  color: var(--color-accent);
  font-size: 11px;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 18px;
  color: var(--color-text-secondary-light);
  font-size: 13px;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 18px 18px 18px;
}

.faq-answer a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.faq-answer a:hover {
  color: #35dd7f;
}

/* ---- CTA BANNER ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, rgba(26, 35, 50, 0.8) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 60px 20px;
  text-align: center;
  position: relative;
  z-index: 2;
  margin: 80px 0;
}

.cta-banner h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--color-text-secondary-light);
  font-size: 15px;
  margin-bottom: 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  padding: 14px 32px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: #35dd7f;
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(46, 204, 113, 0.4);
}

/* ---- FOOTER ---- */
footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: 60px 20px 30px;
  position: relative;
  z-index: 2;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
}

.footer-section h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.footer-section a {
  display: block;
  color: var(--color-text-secondary-light);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-section p {
  color: var(--color-text-secondary-light);
  font-size: 12px;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 30px;
  text-align: center;
  color: var(--color-text-secondary-light);
  font-size: 12px;
}

.footer-version {
  display: inline-block;
  background: rgba(46, 204, 113, 0.15);
  color: var(--color-accent);
  padding: 4px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  margin-left: 8px;
  border: 1px solid rgba(46, 204, 113, 0.3);
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}