/* ===== CSS Variables ===== */
:root {
  --color-primary: #1a1a2e;
  --color-secondary: #1a1a2e;
  --color-accent: #7c3aed;
  --color-accent2: #06b6d4;
  --color-accent3: #fbbf24;
  --color-bg: #0f0f1a;
  --color-surface: #16162a;
  --color-surface-hover: #1e1e3a;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: rgba(124, 58, 237, 0.2);
  --color-glass: rgba(26, 26, 46, 0.7);
  --gradient-primary: linear-gradient(135deg, #7c3aed, #06b6d4);
  --gradient-hero: linear-gradient(160deg, #0f0f1a 0%, #1a1a2e 50%, #1e1040 100%);
  --gradient-cta: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --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);
  --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: 0.3s ease;
  --font-main: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --max-width: 1200px;
}

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

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

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

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Section Common ===== */
section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ===== Header / Navbar ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}

.header.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

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

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

.lang-btn {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
  font-family: var(--font-main);
}

.lang-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-surface);
  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: all var(--transition);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

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

.lang-dropdown a {
  display: block;
  padding: 8px 20px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.lang-dropdown a:hover,
.lang-dropdown a.current {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.lang-dropdown a.current {
  color: var(--color-accent);
}

/* CTA Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--gradient-cta);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
  border-radius: 2px;
}

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

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

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

/* ===== Hero ===== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

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

.hero p {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn-primary {
  padding: 14px 32px;
  font-size: 1.05rem;
}

/* ===== Features ===== */
.features {
  background: var(--color-bg);
}

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

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.12);
  color: var(--color-accent);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

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

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.features .cta-center {
  text-align: center;
  margin-top: 48px;
}

/* ===== Use Cases ===== */
.use-cases {
  background: var(--color-surface);
}

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

.use-case-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

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

.use-case-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.4rem;
  margin: 0 auto 18px;
}

.use-case-card:nth-child(1) .use-case-icon {
  background: rgba(124, 58, 237, 0.15);
  color: #7c3aed;
}

.use-case-card:nth-child(2) .use-case-icon {
  background: rgba(6, 182, 212, 0.15);
  color: #06b6d4;
}

.use-case-card:nth-child(3) .use-case-icon {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
}

.use-case-card:nth-child(4) .use-case-icon {
  background: rgba(236, 72, 153, 0.15);
  color: #ec4899;
}

.use-case-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.use-case-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ===== Pricing ===== */
.pricing {
  background: var(--color-bg);
}

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

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
}

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

.pricing-card.popular {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-cta);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 18px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-card .price-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.pricing-card ul {
  margin-bottom: 28px;
}

.pricing-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.pricing-card ul li i {
  font-size: 0.85rem;
}

.pricing-card ul li i.fa-check {
  color: #22c55e;
}

.pricing-card ul li i.fa-xmark {
  color: #ef4444;
}

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

/* ===== Testimonials ===== */
.testimonials {
  background: var(--color-surface);
}

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

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

.stat-item .stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.stars {
  color: var(--color-accent3);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

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

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}

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

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-info .name {
  font-weight: 600;
  font-size: 0.95rem;
}

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

.testimonial-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 36px;
}

.testimonial-tags span {
  padding: 6px 16px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-accent);
}

/* ===== Comparison ===== */
.comparison {
  background: var(--color-bg);
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

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

.comparison-table thead th {
  background: var(--color-surface);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}

.comparison-table thead th.highlight {
  background: rgba(124, 58, 237, 0.15);
  color: var(--color-accent);
}

.comparison-table tbody td {
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.comparison-table tbody td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--color-text);
}

.comparison-table tbody td.highlight {
  background: rgba(124, 58, 237, 0.05);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table .check {
  color: #22c55e;
  font-size: 1.1rem;
}

.comparison-table .cross {
  color: #ef4444;
  font-size: 1.1rem;
}

/* ===== FAQ ===== */
.faq {
  background: var(--color-surface);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: rgba(124, 58, 237, 0.4);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-main);
  transition: background var(--transition);
}

.faq-question:hover {
  background: rgba(124, 58, 237, 0.05);
}

.faq-question i {
  transition: transform var(--transition);
  color: var(--color-accent);
  flex-shrink: 0;
  margin-left: 16px;
}

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

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

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Final CTA ===== */
.final-cta {
  background: var(--gradient-cta);
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.final-cta .container {
  position: relative;
  z-index: 2;
}

.final-cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.final-cta p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.final-cta .btn-cta-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: #fff;
  color: var(--color-accent);
  border: none;
  border-radius: var(--radius-full);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.final-cta .btn-cta-white:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary);
  padding: 48px 0 24px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-text);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

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

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-cta);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 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(-3px);
  box-shadow: var(--shadow-glow);
}

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

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

/* ===== Mobile Nav Overlay ===== */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 26, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mobile-nav.active {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.mobile-nav a {
  font-size: 1.3rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-nav .btn-primary {
  margin-top: 16px;
}

/* ===== 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: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .pricing-card.popular {
    transform: none;
  }

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

  .testimonials-carousel {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  section {
    padding: 60px 0;
  }

  .nav-links {
    display: none;
  }

  .header .btn-primary {
    display: none;
  }

  .lang-switcher.desktop-only {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    min-height: 70vh;
    padding-top: 80px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    font-size: 0.85rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 12px 10px;
  }

  .final-cta h2 {
    font-size: 1.8rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .testimonials-header {
    gap: 24px;
  }
}