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

:root {
  --primary: #7C3AED;
  --primary-dark: #6D28D9;
  --secondary: #F97316;
  --accent: #EC4899;
  --yellow: #FACC15;
  --background: #FAFAFE;
  --surface: #FFFFFF;
  --text: #1E1B4B;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --gradient-primary: linear-gradient(135deg, #7C3AED, #EC4899);
  --gradient-warm: linear-gradient(135deg, #F97316, #EC4899);
  --gradient-button: linear-gradient(135deg, #7C3AED, #9333EA);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-purple: 0 4px 20px rgba(124,58,237,0.25);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

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

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ===== Scroll Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children .fade-in:nth-child(1) { transition-delay: 0s; }
.stagger-children .fade-in:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .fade-in:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .fade-in:nth-child(4) { transition-delay: 0.3s; }
.stagger-children .fade-in:nth-child(5) { transition-delay: 0.35s; }
.stagger-children .fade-in:nth-child(6) { transition-delay: 0.4s; }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 254, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
}

.navbar-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

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

.navbar-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.navbar-links a.btn-primary {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--gradient-button);
  color: #fff;
  box-shadow: var(--shadow-purple);
}

.btn-primary:hover {
  box-shadow: 0 6px 25px rgba(124, 58, 237, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-large {
  padding: 14px 32px;
  font-size: 1.0625rem;
  border-radius: var(--radius-lg);
}

/* Mobile menu */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 6px 0;
  transition: transform 0.3s, opacity 0.3s;
  border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 60%, rgba(236, 72, 153, 0.05) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(249, 115, 22, 0.04) 0%, transparent 50%);
  z-index: 0;
  animation: heroGradient 12s ease-in-out infinite alternate;
}

@keyframes heroGradient {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-3%, 2%) scale(1.05); }
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124, 58, 237, 0.08);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 480px;
}

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

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.store-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.store-badge svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.store-badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.store-badge-text small {
  font-size: 0.6875rem;
  font-weight: 400;
  opacity: 0.8;
}

/* Phone mockup */
.hero-mockup {
  flex: 0 0 320px;
  position: relative;
}

.phone-frame {
  width: 280px;
  height: 560px;
  background: var(--text);
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(30, 27, 75, 0.25);
  animation: phoneFloat 4s ease-in-out infinite;
  position: relative;
}

@keyframes phoneFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  overflow: hidden;
  position: relative;
}

.phone-screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: var(--text);
  border-radius: 0 0 16px 16px;
}

.phone-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 100px 0;
}

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

.step-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

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

.step-number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Scene Gallery ===== */
.scenes {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--background) 0%, rgba(124, 58, 237, 0.03) 100%);
}

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

.scene-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  cursor: default;
}

.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-purple);
  border-color: rgba(124, 58, 237, 0.3);
}

.scene-emoji {
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.scene-name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.scene-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Examples ===== */
.examples {
  padding: 100px 0;
}

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

.example-card {
  border-radius: var(--radius-lg);
  aspect-ratio: 3 / 4;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s;
}

.example-card:hover {
  transform: scale(1.03);
}

.example-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.example-label {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

/* ===== Social Proof ===== */
.social-proof {
  padding: 100px 0;
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.03) 0%, var(--background) 100%);
}

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

.testimonial-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: var(--yellow);
  font-size: 1.125rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.testimonial-name {
  font-size: 0.875rem;
  font-weight: 600;
}

.testimonial-handle {
  font-size: 0.8125rem;
  color: var(--text-light);
}

/* ===== Pricing ===== */
.pricing {
  padding: 100px 0;
}

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

.pricing-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  border: 2px solid var(--border);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-purple);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 4px 20px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.pricing-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.pricing-features {
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  font-size: 0.9375rem;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.pricing-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
}

.pricing-card .btn {
  width: 100%;
}

/* ===== FAQ ===== */
.faq {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--background) 0%, rgba(124, 58, 237, 0.03) 100%);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
  transition: color 0.2s;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform 0.3s;
  flex-shrink: 0;
  color: var(--primary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Download CTA ===== */
.download-cta {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.04;
  border-radius: 0;
}

.download-cta .section-title {
  font-size: 2.75rem;
}

.download-cta .store-badges {
  justify-content: center;
  margin-top: 36px;
}

/* ===== Footer ===== */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-brand span {
  font-weight: 700;
  font-size: 1rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--text-light);
}

/* ===== Legal Pages ===== */
.legal-page {
  padding: 120px 0 80px;
}

.legal-content {
  max-width: 760px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.legal-content .legal-date {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-content ul, .legal-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 4px;
  list-style: disc;
}

.legal-content ol li {
  list-style: decimal;
}

.legal-content a {
  color: var(--primary);
  text-decoration: underline;
}

.legal-content a:hover {
  color: var(--primary-dark);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.75rem;
  }

  .hero-inner {
    gap: 40px;
  }

  .phone-frame {
    width: 240px;
    height: 480px;
  }
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    z-index: 999;
  }

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

  .navbar-links a {
    font-size: 1.125rem;
  }

  .mobile-toggle {
    display: block;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    max-width: 100%;
  }

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

  .hero-mockup {
    flex: none;
  }

  .phone-frame {
    width: 220px;
    height: 440px;
    margin: 0 auto;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .scenes-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .examples-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .section-title {
    font-size: 1.875rem;
  }

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

  .download-cta .section-title {
    font-size: 2rem;
  }

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

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

  .legal-content h1 {
    font-size: 2rem;
  }
}

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

  .store-badges {
    flex-direction: column;
    align-items: center;
  }

  .store-badge {
    width: 100%;
    max-width: 220px;
    justify-content: center;
  }

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

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

  .container {
    padding: 0 16px;
  }
}