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

:root {
  --bg-dark: #0d0d12;
  --bg-card: #16161e;
  --bg-card-hover: #1e1e2a;
  --text-primary: #f0eef5;
  --text-secondary: #9e9bb0;
  --accent: #e8a0bf;
  --accent-light: #f0c6d9;
  --accent-glow: rgba(232, 160, 191, 0.15);
  --gradient-pink: linear-gradient(135deg, #e8a0bf 0%, #c97b9e 100%);
  --gradient-hero: linear-gradient(180deg, #13111a 0%, #0d0d12 100%);
  --radius: 16px;
  --radius-sm: 10px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(13, 13, 18, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: padding 0.3s;
}

.nav.scrolled {
  padding: 10px 0;
}

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

.nav-brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  padding: 160px 0 100px;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(232, 160, 191, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 .accent {
  background: var(--gradient-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--text-primary);
  color: var(--bg-dark);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-appstore:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 160, 191, 0.2);
}

.btn-appstore svg {
  width: 22px;
  height: 22px;
}

.hero-mockup {
  margin: 60px auto 0;
  max-width: 280px;
  position: relative;
}

.hero-screenshot {
  width: 100%;
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

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

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
}

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

.section-header .section-subtitle {
  margin: 0 auto;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform 0.25s, background 0.25s;
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== Filters ===== */
.filters {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #100f18 100%);
}

.filter-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 32px;
}

.filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.2s, border-color 0.2s;
}

.filter-badge:hover {
  transform: translateY(-2px);
  border-color: rgba(232, 160, 191, 0.3);
}

.filter-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.filter-custom {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.filter-custom strong {
  color: var(--accent);
}

/* ===== How It Works ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step {
  text-align: center;
  counter-increment: step;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 260px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== Selling Points ===== */
.selling-points {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.point-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.points-grid h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.points-grid p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta {
  text-align: center;
  padding: 120px 0;
  position: relative;
}

.cta::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 160, 191, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta .section-title {
  margin-bottom: 12px;
}

.cta p {
  color: var(--text-secondary);
  margin-bottom: 36px;
  font-size: 1.05rem;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(13, 13, 18, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

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

  .nav-toggle {
    display: block;
  }

  .features-grid,
  .steps-grid,
  .points-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero {
    padding: 130px 0 80px;
  }

  section {
    padding: 70px 0;
  }

  .hero-mockup {
    max-width: 220px;
  }
}

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

  .filter-grid {
    gap: 10px;
  }

  .filter-badge {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
}