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

:root {
  --primary: #10B981;
  --primary-light: #34D399;
  --primary-dark: #059669;
  --accent: #3B82F6;
  --bg-dark: #0a0f1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --border: rgba(255, 255, 255, 0.08);
  --gradient-1: linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
  --gradient-2: linear-gradient(135deg, #0a0f1a 0%, #111827 50%, #0a0f1a 100%);
  --shadow-glow: 0 0 60px rgba(16, 185, 129, 0.15);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-title .gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  background: rgba(10, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav-brand span {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

.nav-cta {
  background: var(--gradient-1);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 12px;
  font-weight: 600 !important;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

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

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
  top: -100px;
  left: -200px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
  pointer-events: none;
}

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

.hero-content {
  animation: fadeInUp 1s ease;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.8;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-1);
  color: #fff;
  padding: 16px 32px;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(16, 185, 129, 0.35);
}

.btn-primary svg {
  width: 20px;
  height: 20px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 16px 32px;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  animation: fadeInRight 1s ease 0.3s both;
}

.hero-phone {
  position: relative;
  z-index: 2;
}

.hero-phone img {
  width: 380px;
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.5));
  animation: float 6s ease-in-out infinite;
}

.hero-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
  animation: glow-pulse 4s ease-in-out infinite;
}

/* ===== Stats Bar ===== */
.stats-bar {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== Features ===== */
.features {
  padding: 120px 0;
}

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

.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: 24px;
  padding: 40px 32px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-8px);
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.6rem;
}

.feature-icon.green { background: rgba(16, 185, 129, 0.12); }
.feature-icon.blue { background: rgba(59, 130, 246, 0.12); }
.feature-icon.purple { background: rgba(139, 92, 246, 0.12); }
.feature-icon.orange { background: rgba(249, 115, 22, 0.12); }
.feature-icon.pink { background: rgba(236, 72, 153, 0.12); }
.feature-icon.teal { background: rgba(20, 184, 166, 0.12); }

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 120px 0;
  background: linear-gradient(180deg, transparent, rgba(16, 185, 129, 0.03), transparent);
}

.how-it-works .section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 80px;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  opacity: 0.3;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0 auto 24px;
  position: relative;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.15);
}

.step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 280px;
  margin: 0 auto;
}

/* ===== App Screenshots ===== */
.screenshots {
  padding: 120px 0;
}

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

.screenshots-showcase {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  perspective: 1000px;
}

.screenshot-item {
  width: 240px;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: all 0.5s ease;
  border: 2px solid var(--border);
}

.screenshot-item:hover {
  transform: scale(1.05) translateY(-10px);
  border-color: rgba(16, 185, 129, 0.3);
}

.screenshot-item.center {
  width: 280px;
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 30px 80px rgba(16, 185, 129, 0.15), 0 20px 60px rgba(0, 0, 0, 0.4);
}

.screenshot-placeholder {
  width: 100%;
  aspect-ratio: 9/19;
  background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  gap: 16px;
}

.screenshot-placeholder .icon {
  font-size: 3rem;
}

.screenshot-placeholder .label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Download CTA ===== */
.download-cta {
  padding: 120px 0;
}

.cta-card {
  background: var(--gradient-1);
  border-radius: 32px;
  padding: 80px 60px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-card::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  top: -200px;
  right: -100px;
}

.cta-card::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  bottom: -150px;
  left: -50px;
}

.cta-card h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-card p {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto 40px;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 14px 28px;
  border-radius: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.store-btn:hover {
  background: rgba(0, 0, 0, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.store-btn svg {
  width: 28px;
  height: 28px;
}

.store-btn .store-info {
  text-align: left;
}

.store-btn .store-label {
  font-size: 0.7rem;
  opacity: 0.8;
  display: block;
}

.store-btn .store-name {
  font-size: 1.05rem;
  font-weight: 700;
}

/* ===== Legal Sections ===== */
.legal-section {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

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

.legal-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.legal-tab {
  padding: 12px 28px;
  border-radius: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.legal-tab:hover {
  background: rgba(255, 255, 255, 0.08);
}

.legal-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px;
}

.legal-content-panel {
  display: none;
}

.legal-content-panel.active {
  display: block;
}

.legal-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.legal-content h3:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 20px;
}

.legal-content .last-updated {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 24px;
}

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

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.footer-brand span {
  font-size: 1.1rem;
  font-weight: 700;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes glow-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 0.8; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero p {
    margin: 0 auto 40px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-phone img {
    width: 300px;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-toggle {
    display: flex;
  }

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

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

  .steps-container::before {
    display: none;
  }

  .screenshots-showcase {
    flex-direction: column;
  }

  .screenshot-item,
  .screenshot-item.center {
    width: 200px;
  }

  .cta-card {
    padding: 48px 24px;
  }

  .legal-content {
    padding: 28px 20px;
  }

  .legal-tabs {
    flex-direction: column;
    align-items: stretch;
  }

  .stats-bar .container {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-phone img {
    width: 240px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    justify-content: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
}