/* GatherAI Website Styles */
/* Premium dark theme with cyan accents */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --bg-card-hover: #22222e;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6a6a7a;
  --accent: #00d4c8;
  --accent-hover: #00f0e0;
  --accent-glow: rgba(0, 212, 200, 0.3);
  --border: #2a2a3a;
  --gradient-accent: linear-gradient(135deg, #00d4c8 0%, #00a8c8 100%);
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

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

.btn-ghost:hover {
  color: var(--text-primary);
}

/* Store Badges */
.store-badge {
  height: 52px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.store-badge:hover {
  transform: scale(1.05);
}

.store-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.3;
  pointer-events: none;
}

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

.hero-text {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-badge span {
  color: var(--accent);
}

.hero h1 {
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-phone {
  width: 280px;
  border-radius: 32px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

/* Features Section */
.features {
  background: var(--bg-secondary);
}

.features-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.features-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-top: 16px;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* App Showcase */
.showcase {
  overflow: hidden;
}

.showcase-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
  padding: 0 24px;
}

.showcase-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-top: 16px;
}

.showcase-scroll {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  padding: 20px 24px 40px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  justify-content: flex-start;
}

.showcase-scroll::-webkit-scrollbar {
  display: none;
}

.showcase-item {
  flex: 0 0 auto;
  scroll-snap-align: center;
  text-align: center;
}

.showcase-item:first-child {
  margin-left: max(0px, calc((100vw - 2200px) / 2));
}

.showcase-item:last-child {
  margin-right: max(0px, calc((100vw - 2200px) / 2));
}

.showcase-phone {
  width: 260px;
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
}

.showcase-item:hover .showcase-phone {
  transform: scale(1.02);
}

.showcase-caption {
  margin-top: 20px;
  font-weight: 600;
  font-size: 1rem;
}

.showcase-caption span {
  display: block;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.875rem;
  margin-top: 4px;
}

/* How It Works */
.steps {
  background: var(--bg-secondary);
}

.steps-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.steps-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-top: 16px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
  margin: 0 auto 20px;
}

.step-card h3 {
  margin-bottom: 12px;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* CTA Section */
.cta {
  text-align: center;
  position: relative;
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.2;
  pointer-events: none;
}

.cta-content {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.cta h2 {
  margin-bottom: 20px;
}

.cta p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 40px;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 300px;
  font-size: 0.95rem;
}

.footer-column h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--text-muted);
  font-size: 1.25rem;
  transition: color 0.2s ease;
}

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

/* Legal Pages */
.legal-page {
  padding-top: 120px;
  min-height: 100vh;
}

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

.legal-header p {
  color: var(--text-muted);
  margin-top: 12px;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.legal-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.legal-content ul {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
}

.legal-content a {
  color: var(--accent);
}

.legal-content strong {
  color: var(--text-primary);
}

.highlight-box {
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
}

.highlight-box p {
  margin-bottom: 0;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
    order: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-visual {
    order: 0;
    margin-bottom: 40px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-badge {
    margin-left: auto;
    margin-right: auto;
  }

  .store-badges {
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .showcase-item:first-child {
    margin-left: 24px;
  }

  .showcase-item:last-child {
    margin-right: 24px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    text-align: center;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .section {
    padding: 60px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    text-align: center;
  }

  .feature-icon {
    margin-left: auto;
    margin-right: auto;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-brand .nav-logo {
    justify-content: center;
  }

  .footer-links {
    align-items: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .legal-content {
    padding: 32px 24px;
  }

  .hero-phone {
    width: 240px;
  }

  .showcase-item:first-child {
    margin-left: 16px;
  }

  .showcase-item:last-child {
    margin-right: 16px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero-badge {
    font-size: 0.75rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .store-badge {
    height: 44px;
  }

  .hero-phone {
    width: 200px;
  }

  .showcase-phone {
    width: 200px;
  }

  .showcase-scroll {
    gap: 20px;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }