/* ===== Variables ===== */
:root {
  --primary: #0f766e;
  --primary-dark: #0d5d57;
  --primary-light: #14b8a6;
  --secondary: #1e3a5f;
  --secondary-light: #2d4a6f;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --bg-dark-alt: #1e293b;
  
  --text: #1e293b;
  --text-light: #64748b;
  --text-dark: #f8fafc;
  
  --border: #e2e8f0;
  --border-dark: #334155;
  
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  --transition: 0.2s ease;
}

/* ===== Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: white;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-dark);
  color: #ffffff !important;
  border-color: var(--primary-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--bg-alt);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: transparent;
  transition: all var(--transition);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
}

.logo-icon {
  font-size: 28px;
}

.logo-dot {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  transition: color var(--transition);
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-visual {
  position: relative;
}

.hero-mockup {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--border);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.mockup-dots span:first-child { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #eab308; }
.mockup-dots span:last-child { background: #22c55e; }

.mockup-url {
  flex: 1;
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
}

.mockup-content {
  padding: 24px;
}

.mockup-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.mockup-search-icon {
  font-size: 18px;
}

.mockup-search-text {
  color: var(--text);
  font-size: 15px;
}

.mockup-ai {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: var(--radius);
  padding: 18px;
}

.mockup-ai-header {
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary);
}

.mockup-ai-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 12px;
}

.mockup-ai-sources {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-light);
}

.hero-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.03) 0%, rgba(6, 182, 212, 0.05) 100%);
  z-index: -1;
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
}

.section-light {
  background: var(--bg-alt);
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-dark);
}

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

.section-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-light);
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Steps ===== */
.steps {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 24px;
}

.step {
  flex: 1;
  max-width: 300px;
  text-align: center;
  padding: 32px 24px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
}

.step-number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background: white;
  color: var(--primary);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 2px solid var(--primary);
}

.step-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.step-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 15px;
  color: var(--text-light);
}

.step-arrow {
  font-size: 32px;
  color: var(--primary);
  padding-top: 80px;
}

/* ===== Benefits ===== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  padding: 32px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.benefit-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.benefit-desc {
  font-size: 15px;
  color: var(--text-light);
}

/* ===== Cities ===== */
.cities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.city-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-dark-alt);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.city-card-active {
  border-color: var(--primary);
}

.city-card-active:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 118, 110, 0.3);
}

.city-card-soon {
  opacity: 0.7;
  border-color: var(--border-dark);
}

.city-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 12px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50px;
}

.city-icon {
  font-size: 56px;
  margin-bottom: 16px;
}

.city-name {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.city-stats {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
}

.city-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all var(--transition);
}

.city-card-active .city-cta:hover {
  background: var(--primary-light);
}

/* ===== For Cities ===== */
.for-cities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.for-cities-badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--primary);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.for-cities-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.for-cities-desc {
  font-size: 17px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.for-cities-list {
  list-style: none;
  margin-bottom: 32px;
}

.for-cities-list li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--text);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.feature-item:hover {
  transform: translateX(8px);
  background: white;
  box-shadow: var(--shadow);
}

.feature-icon {
  font-size: 28px;
}

.feature-text strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.feature-text span {
  font-size: 14px;
  color: var(--text-light);
}

/* ===== Waitlist Notice ===== */
.waitlist-notice {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border: 1px solid #f59e0b;
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.waitlist-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.waitlist-text {
  font-size: 14px;
  line-height: 1.5;
}

.waitlist-text strong {
  display: block;
  font-size: 15px;
  color: #92400e;
  margin-bottom: 4px;
}

.waitlist-text span {
  color: #78350f;
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  padding: 28px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.faq-question {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
}

.faq-answer {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-dark);
  color: var(--text-dark);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-dark);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.9);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding-top: 30px;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 44px;
  }
  
  .hero-subtitle {
    margin: 0 auto 32px;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .hero-bg {
    width: 100%;
    height: 50%;
    top: auto;
    bottom: 0;
  }
  
  .for-cities {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .mobile-menu-btn {
    display: flex;
    z-index: 1001;
  }
  
  .mobile-menu-btn.active span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }
  
  .stat-divider {
    width: 60px;
    height: 1px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .steps {
    flex-direction: column;
    align-items: center;
  }
  
  .step-arrow {
    transform: rotate(90deg);
    padding: 0;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .cities-grid {
    grid-template-columns: 1fr;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn-lg {
    width: 100%;
  }
  
  .for-cities-title {
    font-size: 28px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}