/* ===== CSS VARIABLES & RESET ===== */
:root {
  /* Brand Colors (matching Flutter app) */
  --primary: #77D959;
  --primary-dark: #65C048;
  --primary-light: #8FE471;
  --primary-rgb: 119, 217, 89;

  /* Content Type Colors */
  --radical: #2196F3;
  --kanji: #F44336;
  --vocabulary: #4CAF50;
  --kana: #FFC107;

  /* Neutral Colors */
  --bg-light: #F6F8F6;
  --bg-dark: #161F13;
  --surface: #FFFFFF;
  --surface-dark: #1F2B1B;
  --text-main: #131712;
  --text-sub: #6D8566;
  --text-disabled: #9CA3AF;
  --divider: #E5E7EB;
  --border: #D1D5DB;
  --shadow: rgba(0, 0, 0, 0.1);

  /* Status */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* Spacing */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-2xl: 48px;
  --sp-3xl: 64px;
  --sp-4xl: 96px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Font */
  --font: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-light);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== UTILITIES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-main);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn-block {
  display: flex;
  justify-content: center;
  width: 100%;
}

.btn-nav {
  padding: 10px 20px;
  font-size: 14px;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-weight: 700;
  font-size: 22px;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 20px;
  font-weight: 800;
}

.logo-text {
  color: var(--text-main);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  background: var(--bg-light);
  border: 1px solid var(--divider);
  transition: all var(--transition-fast);
}

.lang-switcher:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 140px 0 80px;
  background: linear-gradient(180deg, #f0faf0 0%, var(--bg-light) 100%);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3xl);
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(var(--primary-rgb), 0.15);
  color: var(--primary-dark);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--sp-lg);
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--sp-lg);
  letter-spacing: -1px;
}

.hero-description {
  font-size: 18px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: var(--sp-xl);
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: var(--sp-md);
  margin-bottom: var(--sp-2xl);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
}

.stat-label {
  font-size: 13px;
  color: var(--text-sub);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--divider);
}

/* Phone Mockup */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: #1a1a2e;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 
    0 40px 80px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  z-index: 2;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1F2B1B 0%, #161F13 100%);
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.mockup-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  width: 85%;
}

.mockup-kanji {
  font-size: 72px;
  color: #F44336;
  margin-bottom: 8px;
  font-weight: 300;
}

.mockup-reading {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 4px;
}

.mockup-meaning {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
}

.mockup-srs-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.srs-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 3px;
  animation: progressGrow 2s ease-out;
}

@keyframes progressGrow {
  from { width: 0%; }
}

/* Floating Cards */
.floating-card {
  position: absolute;
  background: white;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  z-index: 3;
}

.fc-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.fc-char {
  font-size: 28px;
  font-weight: 400;
}

.float-1 {
  top: 80px;
  left: -20px;
  animation: floatY 4s ease-in-out infinite;
}

.float-2 {
  top: 200px;
  right: -30px;
  animation: floatY 4s ease-in-out infinite 1s;
}

.float-3 {
  bottom: 100px;
  left: -10px;
  animation: floatY 4s ease-in-out infinite 2s;
}

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

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: 80px;
}

/* ===== SECTION COMMONS ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-3xl);
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(var(--primary-rgb), 0.12);
  color: var(--primary-dark);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-md);
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--sp-md);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== FEATURES ===== */
.features {
  padding: var(--sp-4xl) 0;
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}

.feature-card {
  padding: var(--sp-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--divider);
  background: white;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  border-color: transparent;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-md);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: var(--sp-4xl) 0;
  background: var(--bg-light);
}

.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-lg);
}

.step-card {
  text-align: center;
  padding: var(--sp-xl);
  flex: 1;
  max-width: 300px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--sp-md);
}

.step-icon {
  font-size: 48px;
  margin-bottom: var(--sp-md);
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}

.step-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

.step-connector {
  display: flex;
  align-items: center;
  opacity: 0.5;
}

/* ===== CONTENT SHOWCASE ===== */
.content-showcase {
  padding: var(--sp-4xl) 0;
  background: white;
}

.content-types-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
}

.content-type-card {
  text-align: center;
  padding: var(--sp-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--divider);
  background: white;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.content-type-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
}

.content-type-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.ct-icon {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: var(--sp-md);
  font-weight: 300;
}

.content-type-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}

.content-type-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: var(--sp-md);
}

.ct-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* ===== PRICING ===== */
.pricing {
  padding: var(--sp-4xl) 0;
  background: var(--bg-light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
  align-items: start;
}

.pricing-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--sp-xl);
  border: 2px solid var(--divider);
  transition: all var(--transition-normal);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.pricing-popular {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(var(--primary-rgb), 0.15);
}

.pricing-popular:hover {
  transform: scale(1.05) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 6px 20px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--sp-lg);
  padding-bottom: var(--sp-lg);
  border-bottom: 1px solid var(--divider);
}

.pricing-header h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.price-amount {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -1px;
}

.price-period {
  font-size: 15px;
  color: var(--text-sub);
  font-weight: 500;
}

.pricing-features {
  margin-bottom: var(--sp-xl);
}

.pricing-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-main);
}

.pricing-features li.disabled {
  color: var(--text-disabled);
}

/* ===== FAQ ===== */
.faq {
  padding: var(--sp-4xl) 0;
  background: white;
}

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

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--sp-lg) 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition-fast);
}

.faq-question::after {
  content: '+';
  font-size: 24px;
  font-weight: 300;
  color: var(--text-sub);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-question::after {
  content: '−';
  color: var(--primary-dark);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

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

.faq-answer p {
  padding-bottom: var(--sp-lg);
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== DOWNLOAD CTA ===== */
.download-cta {
  padding: var(--sp-4xl) 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  text-align: center;
}

.download-content h2 {
  font-size: 40px;
  font-weight: 800;
  color: white;
  margin-bottom: var(--sp-md);
}

.download-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--sp-xl);
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: var(--sp-md);
}

.store-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 14px 28px;
  background: rgba(0, 0, 0, 0.3);
  color: white;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.store-btn:hover {
  background: rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.store-btn small {
  display: block;
  font-size: 11px;
  opacity: 0.8;
}

.store-btn strong {
  display: block;
  font-size: 17px;
}

/* ===== FOOTER ===== */
.footer {
  padding: var(--sp-3xl) 0 var(--sp-xl);
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-2xl);
  margin-bottom: var(--sp-2xl);
}

.footer-brand .nav-logo {
  margin-bottom: var(--sp-md);
}

.footer-brand .logo-text {
  color: white;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
}

.footer-links h4 {
  color: white;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-md);
}

.footer-links li {
  margin-bottom: var(--sp-sm);
}

.footer-links a {
  font-size: 14px;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
}

.footer-bottom-links {
  display: flex;
  gap: var(--sp-lg);
}

.footer-bottom-links a {
  font-size: 13px;
}

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

/* ===== LEGAL PAGES ===== */
.legal-page {
  padding: 120px 0 var(--sp-4xl);
  min-height: 100vh;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: var(--sp-sm);
}

.legal-content .last-updated {
  color: var(--text-sub);
  font-size: 14px;
  margin-bottom: var(--sp-2xl);
}

.legal-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: var(--sp-xl);
  margin-bottom: var(--sp-md);
  color: var(--text-main);
}

.legal-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: var(--sp-lg);
  margin-bottom: var(--sp-sm);
}

.legal-content p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: var(--sp-md);
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--sp-md);
  padding-left: var(--sp-xl);
}

.legal-content li {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: var(--sp-xs);
}

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

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

/* ===== SUPPORT PAGE ===== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-lg);
  margin-top: var(--sp-2xl);
}

.support-card {
  padding: var(--sp-xl);
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--divider);
  transition: all var(--transition-normal);
}

.support-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.support-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}

.support-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: var(--sp-md);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: var(--sp-2xl) auto 0;
}

.form-group {
  margin-bottom: var(--sp-md);
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--sp-xs);
  color: var(--text-main);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--divider);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 15px;
  color: var(--text-main);
  background: white;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 44px;
  }

  .section-title {
    font-size: 32px;
  }

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

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

@media (max-width: 768px) {
  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--sp-lg);
    gap: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--divider);
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: var(--sp-md) 0;
    border-bottom: 1px solid var(--divider);
  }

  .nav-toggle {
    display: flex;
  }

  .btn-nav {
    display: none;
  }

  /* Hero */
  .hero {
    padding: 120px 0 60px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--sp-2xl);
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-description {
    margin: 0 auto var(--sp-xl);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

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

  .hero-visual {
    order: -1;
  }

  .phone-mockup {
    width: 220px;
    height: 440px;
    border-radius: 32px;
  }

  .phone-screen {
    border-radius: 24px;
  }

  .floating-card {
    display: none;
  }

  /* Steps */
  .steps-grid {
    flex-direction: column;
  }

  .step-connector {
    transform: rotate(90deg);
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-popular {
    transform: scale(1);
  }

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

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--sp-md);
    text-align: center;
  }

  .download-content h2 {
    font-size: 28px;
  }

  /* Support */
  .support-grid {
    grid-template-columns: 1fr;
  }

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

  .content-types-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .section-title {
    font-size: 26px;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--sp-md);
  }

  .stat-divider {
    display: none;
  }
}
