/* ========== CSS Variables ========== */
:root {
  --color-primary: #141414;
  --color-secondary: #141414;
  --color-accent: #dcdcde;
  --color-highlight: #f5c257;
  --color-muted: #838484;
  --color-white: #ffffff;
  --color-bg-light: #f7f7f8;
  --color-bg-dark: #0a0a0a;
  --color-card-bg: #1c1c1e;
  --color-border: rgba(220, 220, 222, 0.15);
  --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;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 30px rgba(245, 194, 87, 0.15);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s 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: var(--color-primary);
  color: var(--color-accent);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
}

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

.section-title {
  font-size: 2.4rem;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-muted);
  font-size: 1.1rem;
  margin-bottom: 3.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

section {
  padding: 100px 0;
}

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

.header.scrolled {
  background: rgba(20, 20, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.4);
  padding: 10px 0;
}

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

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

.logo img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

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

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

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

.nav-links 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;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.88rem;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.lang-switcher-btn:hover {
  color: var(--color-white);
  border-color: var(--color-muted);
}

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

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

.lang-dropdown a {
  display: block;
  padding: 9px 18px;
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: all var(--transition-fast);
}

.lang-dropdown a:hover,
.lang-dropdown a.current {
  color: var(--color-white);
  background: rgba(245, 194, 87, 0.08);
}

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

/* CTA Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-highlight);
  color: var(--color-primary);
  padding: 11px 26px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: var(--font-body);
}

.btn-primary:hover {
  background: #ffd06a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-highlight);
  padding: 11px 26px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid var(--color-highlight);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: var(--font-body);
}

.btn-secondary:hover {
  background: rgba(245, 194, 87, 0.1);
  transform: translateY(-2px);
}

/* Hamburger Menu */
.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: all var(--transition-base);
}

.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);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 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-base);
}

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

.mobile-nav a {
  font-size: 1.3rem;
  color: var(--color-accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.mobile-nav .btn-primary {
  margin-top: 12px;
  font-size: 1.1rem;
  padding: 14px 36px;
}

.mobile-lang-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.mobile-lang-links a {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.mobile-lang-links a.current {
  color: var(--color-highlight);
}

/* ========== Hero ========== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(245, 194, 87, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 3.6rem;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-highlight), #ffdb80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .hero-sub {
  font-size: 1.2rem;
  color: var(--color-muted);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

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

.hero-cta .btn-primary {
  font-size: 1.1rem;
  padding: 15px 36px;
}

.hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.hero-badge i {
  color: var(--color-highlight);
  font-size: 1rem;
}

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

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

.feature-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 194, 87, 0.25);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(245, 194, 87, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon i {
  font-size: 1.3rem;
  color: var(--color-highlight);
}

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

.feature-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.features-cta {
  text-align: center;
  margin-top: 3rem;
}

/* ========== 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(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-base);
}

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

.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:nth-child(1) .use-case-icon {
  background: rgba(245, 194, 87, 0.12);
  color: var(--color-highlight);
}

.use-case-card:nth-child(2) .use-case-icon {
  background: rgba(87, 179, 245, 0.12);
  color: #57b3f5;
}

.use-case-card:nth-child(3) .use-case-icon {
  background: rgba(168, 87, 245, 0.12);
  color: #a857f5;
}

.use-case-card:nth-child(4) .use-case-icon {
  background: rgba(87, 245, 168, 0.12);
  color: #57f5a8;
}

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

.use-case-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

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

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

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

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

.pricing-card.popular {
  border-color: var(--color-highlight);
  box-shadow: var(--shadow-glow);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-highlight);
  color: var(--color-primary);
  padding: 5px 18px;
  border-radius: var(--radius-xl);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

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

.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 4px;
}

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

.pricing-desc {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

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

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.92rem;
  color: var(--color-accent);
}

.pricing-features li i.fa-check {
  color: var(--color-highlight);
  font-size: 0.85rem;
}

.pricing-features li i.fa-xmark {
  color: var(--color-muted);
  font-size: 0.85rem;
  opacity: 0.5;
}

.pricing-features li.disabled {
  color: var(--color-muted);
  opacity: 0.6;
}

.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: 3rem;
  flex-wrap: wrap;
}

.testimonials-score {
  text-align: center;
}

.testimonials-score .score {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}

.testimonials-score .stars {
  color: var(--color-highlight);
  margin: 8px 0;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonials-score .count {
  color: var(--color-muted);
  font-size: 0.9rem;
}

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

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

.rating-bar .bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.rating-bar .bar-fill {
  height: 100%;
  background: var(--color-highlight);
  border-radius: 3px;
}

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

.testimonials-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: 100%;
  padding: 0 12px;
}

.testimonial-card-inner {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.testimonial-stars {
  color: var(--color-highlight);
  margin-bottom: 16px;
  font-size: 0.95rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--color-accent);
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-highlight), #ffdb80);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1rem;
}

.testimonial-author-info .name {
  font-weight: 600;
  color: var(--color-white);
  font-size: 0.95rem;
}

.testimonial-author-info .role {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}

.carousel-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-card-bg);
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

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

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  background: var(--color-highlight);
  width: 24px;
  border-radius: 4px;
}

.testimonial-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 2rem;
}

.testimonial-tag {
  background: rgba(245, 194, 87, 0.08);
  border: 1px solid rgba(245, 194, 87, 0.15);
  color: var(--color-highlight);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
}

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

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

.comparison-table thead th {
  padding: 20px 24px;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}

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

.comparison-table thead th.highlight-col {
  color: var(--color-highlight);
  background: rgba(245, 194, 87, 0.06);
}

.comparison-table tbody td {
  padding: 16px 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
  color: var(--color-accent);
}

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

.comparison-table tbody td.highlight-col {
  background: rgba(245, 194, 87, 0.04);
}

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

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

.comparison-table .cross {
  color: var(--color-muted);
  opacity: 0.4;
  font-size: 1.1rem;
}

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

.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: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: rgba(245, 194, 87, 0.3);
}

.faq-question {
  width: 100%;
  background: var(--color-card-bg);
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  font-family: var(--font-body);
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: rgba(28, 28, 30, 0.8);
}

.faq-question i {
  font-size: 0.85rem;
  color: var(--color-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 16px;
}

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

.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-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  background: var(--color-card-bg);
}

/* ========== Final CTA ========== */
.final-cta {
  background: linear-gradient(135deg, rgba(245, 194, 87, 0.1), rgba(245, 194, 87, 0.03));
  border-top: 1px solid rgba(245, 194, 87, 0.1);
  border-bottom: 1px solid rgba(245, 194, 87, 0.1);
  text-align: center;
}

.final-cta h2 {
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

.final-cta p {
  color: var(--color-muted);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
}

.final-cta .btn-primary {
  font-size: 1.15rem;
  padding: 16px 42px;
}

/* ========== Footer ========== */
.footer {
  background: var(--color-bg-dark);
  padding: 60px 0 30px;
  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: 14px;
}

.footer-brand p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--color-white);
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

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

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

/* ========== Back to Top ========== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-highlight);
  color: var(--color-primary);
  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-base);
  z-index: 900;
  box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
  background: #ffd06a;
  transform: translateY(-3px);
}

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

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 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);
  }

  .pricing-card:last-child {
    grid-column: span 2;
    max-width: 400px;
    margin: 0 auto;
  }

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

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

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

  .header-right .lang-switcher {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero {
    padding: 130px 0 70px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero .hero-sub {
    font-size: 1.05rem;
  }

  .section-title {
    font-size: 1.9rem;
  }

  section {
    padding: 70px 0;
  }

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

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

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

  .pricing-card:last-child {
    grid-column: span 1;
    max-width: none;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

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

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.9rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .pricing-card {
    padding: 28px 20px;
  }
}