/* ==================== CSS Variables ==================== */
:root {
  --color-primary: #0e0c0b;
  --color-secondary: #bd8783;
  --color-accent: #554ca6;
  --color-muted: #778785;
  --color-bg: #0e0c0b;
  --color-bg-light: #1a1816;
  --color-bg-card: #232120;
  --color-bg-card-hover: #2d2a28;
  --color-text: #f0ecea;
  --color-text-muted: #a8a4a0;
  --color-border: rgba(189, 135, 131, 0.15);
  --color-gradient-start: #bd8783;
  --color-gradient-end: #554ca6;
  --font-primary: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --font-heading: 'Sora', 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.3;
  font-weight: 700;
}

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

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font-primary);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: #fff;
  box-shadow: 0 4px 20px rgba(189, 135, 131, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(189, 135, 131, 0.45);
}

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

.btn-secondary {
  background: rgba(189, 135, 131, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(189, 135, 131, 0.3);
}

.btn-secondary:hover {
  background: rgba(189, 135, 131, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.btn-lg {
  padding: 18px 44px;
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

/* ==================== Section Title ==================== */
.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--color-text), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ==================== Header ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(14, 12, 11, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: var(--transition);
}

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

.nav-menu a:hover::after {
  width: 100%;
}

.nav-menu a i {
  font-size: 0.85rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.875rem;
  transition: var(--transition);
}

.lang-switcher-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.lang-switcher:hover .lang-dropdown,
.lang-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown a {
  display: block;
  padding: 8px 20px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.lang-dropdown a:hover {
  background: rgba(189, 135, 131, 0.1);
  color: var(--color-text);
}

.lang-dropdown a.active {
  color: var(--color-secondary);
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* ==================== Hero ==================== */
.hero {
  padding: 140px 0 80px;
  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(189, 135, 131, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(85, 76, 166, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
  position: relative;
  z-index: 1;
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 56px;
  position: relative;
  z-index: 1;
}

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

.hero-stat .stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-heading);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat .stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ==================== Features ==================== */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  opacity: 0;
  transition: var(--transition);
}

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

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(189, 135, 131, 0.15), rgba(85, 76, 166, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
  color: var(--color-secondary);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

.features-cta {
  text-align: center;
}

/* ==================== Use Cases ==================== */
.use-cases {
  padding: 100px 0;
  background: var(--color-bg-light);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.use-case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.use-case-card:nth-child(1) .use-case-icon { color: var(--color-secondary); background: rgba(189,135,131,0.12); }
.use-case-card:nth-child(2) .use-case-icon { color: var(--color-accent); background: rgba(85,76,166,0.12); }
.use-case-card:nth-child(3) .use-case-icon { color: #6ec6a0; background: rgba(110,198,160,0.12); }
.use-case-card:nth-child(4) .use-case-icon { color: #e0a458; background: rgba(224,164,88,0.12); }

.use-case-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}

.use-case-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.use-case-card p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

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

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

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
}

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

.pricing-card.popular {
  border-color: var(--color-secondary);
  box-shadow: 0 0 40px rgba(189, 135, 131, 0.15);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: #fff;
  padding: 4px 20px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 2.75rem;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-bottom: 4px;
}

.pricing-card .price-period {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 28px;
}

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

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.925rem;
  color: var(--color-text-muted);
}

.pricing-features li i {
  font-size: 0.85rem;
  width: 20px;
  text-align: center;
}

.pricing-features li i.fa-check {
  color: #6ec6a0;
}

.pricing-features li i.fa-xmark {
  color: #888;
}

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

/* ==================== Testimonials ==================== */
.testimonials {
  padding: 100px 0;
  background: var(--color-bg-light);
}

.testimonials-header {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

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

.testimonial-stat .big-num {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-secondary);
}

.testimonial-stat .label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.stars {
  color: #f5b731;
  font-size: 1rem;
  margin-bottom: 4px;
}

.testimonials-carousel {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  flex: 0 0 calc(33.333% - 16px);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.testimonial-card .stars {
  margin-bottom: 16px;
}

.testimonial-card .quote {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-author .name {
  font-weight: 600;
  font-size: 0.925rem;
}

.testimonial-author .role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.testimonial-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
}

.testimonial-tags span {
  padding: 6px 16px;
  background: rgba(189, 135, 131, 0.1);
  border: 1px solid rgba(189, 135, 131, 0.15);
  border-radius: 20px;
  font-size: 0.825rem;
  color: var(--color-text-muted);
}

.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.carousel-btn:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* ==================== Comparison ==================== */
.comparison {
  padding: 100px 0;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
}

.comparison-table thead {
  background: var(--color-bg-card);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
}

.comparison-table th {
  font-weight: 700;
  font-size: 0.95rem;
}

.comparison-table .highlight-col {
  background: rgba(189, 135, 131, 0.06);
}

.comparison-table .highlight-col-head {
  background: rgba(189, 135, 131, 0.12);
  color: var(--color-secondary);
}

.comparison-table td i.fa-check {
  color: #6ec6a0;
  font-size: 1rem;
}

.comparison-table td i.fa-xmark {
  color: #666;
  font-size: 1rem;
}

.comparison-table tbody tr {
  transition: var(--transition);
}

.comparison-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

/* ==================== FAQ ==================== */
.faq {
  padding: 100px 0;
  background: var(--color-bg-light);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--color-bg-card);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(189, 135, 131, 0.3);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-primary);
  transition: var(--transition);
  gap: 16px;
}

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

.faq-question i {
  font-size: 0.85rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.7;
}

/* ==================== Final CTA ==================== */
.final-cta {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(189, 135, 131, 0.12) 0%, rgba(85, 76, 166, 0.12) 100%);
}

.final-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(189, 135, 131, 0.06), transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(85, 76, 166, 0.06), transparent 50%);
  pointer-events: none;
}

.final-cta h2 {
  font-size: 2.75rem;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.final-cta p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}

.final-cta .btn {
  position: relative;
  z-index: 1;
}

/* ==================== Footer ==================== */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.925rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.footer-col a {
  display: block;
  padding: 4px 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-col a:hover {
  color: var(--color-secondary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.825rem;
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  font-size: 0.825rem;
}

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

/* ==================== Back to Top ==================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ==================== Animations ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* ==================== Mobile ==================== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(14, 12, 11, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 32px;
}

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

.mobile-nav a {
  font-size: 1.5rem;
  color: var(--color-text);
  font-weight: 600;
}

.mobile-nav a:hover {
  color: var(--color-secondary);
}

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.75rem;
  cursor: pointer;
}

.mobile-lang-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.mobile-lang-list a {
  font-size: 0.9rem;
  padding: 6px 16px;
  background: rgba(255,255,255,0.05);
  border-radius: 20px;
  color: var(--color-text-muted);
}

.mobile-lang-list a:hover,
.mobile-lang-list a.active {
  color: var(--color-secondary);
  background: rgba(189,135,131,0.1);
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .testimonial-card {
    flex: 0 0 calc(50% - 12px);
  }
}

@media (max-width: 768px) {
  .nav-menu, .header-right .btn, .lang-switcher {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .hero {
    padding: 120px 0 60px;
  }
  .hero h1 {
    font-size: 2.25rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .hero-stats {
    gap: 24px;
  }
  .hero-stat .stat-value {
    font-size: 1.5rem;
  }
  .section-title h2 {
    font-size: 1.75rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  .testimonial-card {
    flex: 0 0 calc(100% - 0px);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .final-cta h2 {
    font-size: 2rem;
  }
  .hero-cta {
    flex-direction: column;
  }
  .testimonials-header {
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }
  .container {
    padding: 0 16px;
  }
  .hero-stats {
    flex-direction: row;
    gap: 16px;
  }
  .hero-stat .stat-value {
    font-size: 1.25rem;
  }
  .hero-stat .stat-label {
    font-size: 0.75rem;
  }
}