/* ========== CSS Variables ========== */
:root {
  --color-primary: #280841;
  --color-secondary: #350859;
  --color-accent: #7507cd;
  --color-light: #e5d1f0;
  --color-teal: #48b2b4;
  --color-white: #ffffff;
  --color-dark: #1a0530;
  --color-text: #e0d0f0;
  --color-text-muted: #b8a0d0;
  --color-card-bg: rgba(53, 8, 89, 0.5);
  --color-card-border: rgba(117, 7, 205, 0.2);
  --gradient-hero: linear-gradient(135deg, #280841 0%, #350859 40%, #1a0530 100%);
  --gradient-cta: linear-gradient(135deg, #7507cd 0%, #48b2b4 100%);
  --gradient-card: linear-gradient(145deg, rgba(53, 8, 89, 0.6), rgba(40, 8, 65, 0.8));
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(117, 7, 205, 0.15);
  --shadow-lg: 0 8px 40px rgba(117, 7, 205, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-heading: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --transition: 0.3s ease;
}

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

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

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

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

a:hover {
  color: var(--color-light);
}

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

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

ul {
  list-style: none;
}

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

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

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

.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
}

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

.navbar.scrolled {
  background: rgba(40, 8, 65, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 10px 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
}

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

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

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

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

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

.nav-cta {
  background: var(--gradient-cta);
  color: var(--color-white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(117, 7, 205, 0.4);
  color: var(--color-white) !important;
}

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

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.lang-btn:hover {
  color: var(--color-white);
  background: rgba(117, 7, 205, 0.15);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(40, 8, 65, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 8px 0;
  min-width: 160px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 100;
}

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

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

.lang-dropdown a:hover,
.lang-dropdown a.active {
  background: rgba(117, 7, 205, 0.15);
  color: var(--color-white);
}

/* 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-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.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;
  justify-content: center;
  text-align: center;
  background: var(--gradient-hero);
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(117, 7, 205, 0.15) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(72, 178, 176, 0.1) 0%, transparent 70%);
  bottom: -50px;
  left: -50px;
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: 3.2rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span {
  background: var(--gradient-cta);
  -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;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-cta);
  color: var(--color-white);
  padding: 16px 36px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(117, 7, 205, 0.4);
  color: var(--color-white);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-teal);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--color-teal);
  transition: all var(--transition);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--color-teal);
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* ========== Section Common ========== */
section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

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

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

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

.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(117, 7, 205, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon i {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

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

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

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

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

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

.use-case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.use-case-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}

.use-case-card:nth-child(1) .use-case-icon {
  background: rgba(117, 7, 205, 0.15);
  color: var(--color-accent);
}

.use-case-card:nth-child(2) .use-case-icon {
  background: rgba(72, 178, 176, 0.15);
  color: var(--color-teal);
}

.use-case-card:nth-child(3) .use-case-icon {
  background: rgba(229, 209, 240, 0.15);
  color: var(--color-light);
}

.use-case-card:nth-child(4) .use-case-icon {
  background: rgba(117, 7, 205, 0.15);
  color: var(--color-accent);
}

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

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

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

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

.pricing-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border-color: var(--color-accent);
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(117, 7, 205, 0.2);
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-6px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-cta);
  color: var(--color-white);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-white);
  margin: 16px 0;
}

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

.pricing-features {
  text-align: left;
  margin: 24px 0 32px;
}

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

.pricing-features li i.fa-check {
  color: var(--color-teal);
}

.pricing-features li i.fa-xmark {
  color: rgba(255, 255, 255, 0.2);
}

.pricing-features li.disabled {
  opacity: 0.5;
}

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

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

.testimonials-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.rating-overview {
  text-align: center;
}

.rating-score {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-white);
}

.rating-stars {
  color: #fbbf24;
  font-size: 1.2rem;
  margin: 4px 0;
}

.rating-count {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.star-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 220px;
}

.star-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.star-bar-fill {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.star-bar-fill div {
  height: 100%;
  background: #fbbf24;
  border-radius: 4px;
}

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

.testimonial-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.testimonial-card .stars {
  color: #fbbf24;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.testimonial-card p {
  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: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
}

.testimonial-author-info strong {
  color: var(--color-white);
  font-size: 0.95rem;
}

.testimonial-author-info span {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.testimonial-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.testimonial-tag {
  background: rgba(117, 7, 205, 0.15);
  color: var(--color-light);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}

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

.comparison-table-wrapper {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: center;
  font-size: 0.95rem;
}

.comparison-table thead th {
  background: rgba(117, 7, 205, 0.15);
  color: var(--color-white);
  font-weight: 600;
  font-size: 1rem;
}

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

.comparison-table thead th.highlight {
  background: rgba(117, 7, 205, 0.3);
  color: var(--color-white);
}

.comparison-table tbody td {
  border-top: 1px solid rgba(117, 7, 205, 0.1);
  color: var(--color-text-muted);
}

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

.comparison-table tbody td.highlight {
  background: rgba(117, 7, 205, 0.08);
}

.comparison-table .check {
  color: var(--color-teal);
  font-size: 1.1rem;
}

.comparison-table .cross {
  color: rgba(255, 255, 255, 0.2);
  font-size: 1.1rem;
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-item.active {
  border-color: var(--color-accent);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 16px;
  transition: background var(--transition);
}

.faq-question:hover {
  background: rgba(117, 7, 205, 0.08);
}

.faq-question h3 {
  font-size: 1.05rem;
  font-weight: 600;
  flex: 1;
}

.faq-question i {
  color: var(--color-accent);
  font-size: 1rem;
  transition: transform var(--transition);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s 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: 100px 24px;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  top: -150px;
  right: -100px;
  border-radius: 50%;
}

.final-cta h2 {
  font-size: 2.8rem;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.final-cta p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}

.final-cta .btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  color: var(--color-accent);
  padding: 18px 42px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 1;
}

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

/* ========== Footer ========== */
.footer {
  background: var(--color-dark);
  padding: 60px 0 30px;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

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

.footer-brand span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 320px;
}

.footer h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--color-white);
}

.footer-links a {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(117, 7, 205, 0.15);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

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

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

/* ========== Back to Top ========== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-cta);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  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-lg);
}

/* ========== Mobile Nav Overlay ========== */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 5, 48, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

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

.mobile-nav a {
  font-size: 1.5rem;
  color: var(--color-text);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.mobile-nav .nav-cta {
  font-size: 1.2rem;
  padding: 14px 36px;
}

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

.mobile-nav .lang-mobile a {
  font-size: 0.95rem;
  padding: 6px 16px;
  border: 1px solid var(--color-card-border);
  border-radius: 50px;
  font-weight: 400;
}

/* ========== 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: 440px;
    margin: 0 auto;
  }

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

  .pricing-card.popular:hover {
    transform: translateY(-6px);
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

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

  .hamburger {
    display: flex;
  }

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

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

  section {
    padding: 70px 0;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

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

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

  .testimonials-slider {
    grid-template-columns: 1fr;
  }

  .testimonials-header {
    flex-direction: column;
    gap: 24px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

  .final-cta h2 {
    font-size: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero {
    min-height: 70vh;
    padding: 100px 16px 60px;
  }

  .btn-primary {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 16px;
  }
}