@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@500;700;800;900&display=swap');

:root {
  --bg: #FFFFFF;
  --text-primary: #000000;
  --text-secondary: #3A3A3C;
  --accent: #E94560;
  --accent-gradient: linear-gradient(135deg, #E94560 0%, #FF2E93 100%);
  --surface: #F5F5F7;
  --surface-card: #FFFFFF;
  --border: rgba(0, 0, 0, 0.06);
  --shadow: rgba(0, 0, 0, 0.04);
  --radius: 24px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ── LAYOUT & CONTAINER ────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── HEADER ────────────────────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: all 0.3s ease;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--text-primary);
  font-weight: 500;
  letter-spacing: 0;
  font-size: 14px;
  opacity: 0.6;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
}

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

.btn-secondary:hover {
  background-color: #EBEBED;
}

/* ── HERO SECTION ──────────────────────────────────────────────────────────── */
.hero {
  padding: 80px 0 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(233, 69, 96, 0.08);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(233, 69, 96, 0.15);
}

.hero-title {
  font-size: 64px;
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: 24px;
  color: var(--text-primary);
}

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

.hero-description {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-weight: 300;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.store-badge {
  height: 48px;
  transition: transform 0.2s ease;
}

.store-badge:hover {
  transform: scale(1.04);
}

/* Mockup phone container */
.hero-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 290px;
  height: 590px;
  border-radius: 40px;
  border: 12px solid #121212;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
  background-color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.phone-notch {
  width: 110px;
  height: 24px;
  background-color: #121212;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* ── CONCEPT SECTION ───────────────────────────────────────────────────────── */
.concept {
  padding: 100px 0;
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
}

/* Interactive silhouette simulator */
.silhouette-demo {
  background-color: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  box-shadow: 0 10px 30px var(--shadow);
}

.demo-card {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 3/4;
  border-radius: 18px;
  overflow: hidden;
  border: 2px solid var(--accent);
  margin: 0 auto;
  box-shadow: 0 15px 35px rgba(233, 69, 96, 0.15);
}

.demo-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.8s ease;
  filter: blur(40px);
}

.demo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: 20px;
  color: #FFFFFF;
}

.demo-name {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
}

.demo-details {
  font-size: 13px;
  opacity: 0.8;
  margin-top: 4px;
}

.demo-controls {
  text-align: left;
}

.exchange-progress {
  display: flex;
  gap: 8px;
  margin: 24px 0;
}

.progress-dot {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background-color: var(--surface);
  transition: background-color 0.3s ease;
}

.progress-dot.active {
  background: var(--accent-gradient);
}

/* ── FEATURES SECTION ──────────────────────────────────────────────────────── */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px var(--shadow);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 24px;
  display: inline-block;
}

.feature-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}

.feature-text {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ── LEGAL & DOCUMENTS PAGES ───────────────────────────────────────────────── */
.legal-page {
  padding: 80px 0;
  max-width: 800px;
  margin: 0 auto;
}

.legal-title {
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 12px;
  text-align: center;
}

.legal-subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 48px;
  font-size: 14px;
}

.legal-content h2 {
  font-size: 22px;
  margin: 36px 0 16px;
  color: var(--text-primary);
  border-bottom: 2px solid var(--surface);
  padding-bottom: 8px;
}

.legal-content p, .legal-content li {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-content ul {
  list-style-type: square;
  margin-left: 24px;
  margin-bottom: 20px;
}

/* ── FOOTER ────────────────────────────────────────────────────────────────── */
footer {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-about p {
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 320px;
  font-size: 14px;
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 60px;
}

.footer-col h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── MOBILE RESPONSIVE ─────────────────────────────────────────────────────── */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero-content {
    margin: 0 auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .silhouette-demo {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-links {
    justify-content: flex-start;
  }
}