/* ===== CSS Variables ===== */
:root {
  --color-primary: #313232;
  --color-secondary: #323233;
  --color-accent: #e4d4cb;
  --color-highlight: #3d82b1;
  --color-highlight-light: #77adc9;
  --color-white: #ffffff;
  --color-light-bg: #f8f6f4;
  --color-dark-bg: #1a1a1b;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-border: #e2e2e2;
  --color-card-bg: #ffffff;
  --gradient-primary: linear-gradient(135deg, #3d82b1 0%, #77adc9 100%);
  --gradient-dark: linear-gradient(135deg, #313232 0%, #1a1a1b 100%);
  --gradient-accent: linear-gradient(135deg, #e4d4cb 0%, #f8f6f4 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-card: 0 2px 16px rgba(61,130,177,0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-main: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --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-main);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
  list-style: none;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

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

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ===== 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);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(61,130,177,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(61,130,177,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-highlight);
  border: 2px solid var(--color-highlight);
}

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

.btn-large {
  padding: 18px 44px;
  font-size: 1.15rem;
  border-radius: var(--radius-xl);
}

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

.header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
  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-primary);
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
}

.nav a:hover {
  background: var(--color-light-bg);
  color: var(--color-highlight);
}

.nav a i {
  font-size: 0.85rem;
  color: var(--color-highlight);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-cta {
  padding: 10px 24px;
  font-size: 0.9rem;
}

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

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--color-light-bg);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

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

.lang-switcher-btn i {
  color: var(--color-highlight);
}

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

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

.lang-dropdown a {
  display: block;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--color-text);
  transition: var(--transition);
}

.lang-dropdown a:hover,
.lang-dropdown a.active {
  background: var(--color-light-bg);
  color: var(--color-highlight);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: none;
  font-size: 1.3rem;
  color: var(--color-primary);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 80px 24px 40px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

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

.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  font-size: 1.1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

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

.mobile-nav .btn {
  margin-top: 16px;
  justify-content: center;
}

.mobile-nav-lang {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.mobile-nav-lang-title {
  font-size: 0.85rem;
  color: var(--color-text-light);
  padding: 0 20px 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-text);
  background: var(--color-light-bg);
  border-radius: 50%;
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  background: var(--gradient-accent);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61,130,177,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(228,212,203,0.3) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(61,130,177,0.1);
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-highlight);
  margin-bottom: 24px;
}

.hero-badge i {
  font-size: 0.8rem;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 span {
  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-light);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(0,0,0,0.06);
}

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

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-highlight);
}

.hero-stat .label {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

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

.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 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(61,130,177,0.2);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(61,130,177,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--color-highlight);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-primary);
  color: var(--color-white);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-primary);
}

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

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

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

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

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

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

.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;
  color: var(--color-white);
}

.use-case-card:nth-child(1) .use-case-icon {
  background: var(--gradient-primary);
}

.use-case-card:nth-child(2) .use-case-icon {
  background: linear-gradient(135deg, #e4d4cb, #d4b8a8);
}

.use-case-card:nth-child(3) .use-case-icon {
  background: linear-gradient(135deg, #313232, #4a4a4b);
}

.use-case-card:nth-child(4) .use-case-icon {
  background: linear-gradient(135deg, #77adc9, #5a9abf);
}

.use-case-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.use-case-card p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

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

.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;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--color-highlight);
  box-shadow: var(--shadow-card);
  transform: scale(1.04);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: 6px 24px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.pricing-card .price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-highlight);
  margin: 16px 0;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
}

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

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

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 0.92rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-light-bg);
}

.pricing-features li:last-child {
  border-bottom: none;
}

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

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

.pricing-features li i.fa-xmark {
  color: #d4d4d4;
}

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

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

.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-primary);
  line-height: 1;
}

.rating-stars {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
  margin: 8px 0;
  color: #f59e0b;
  font-size: 1.2rem;
}

.rating-count {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.rating-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 240px;
}

.rating-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.rating-bar .bar {
  flex: 1;
  height: 8px;
  background: rgba(0,0,0,0.06);
  border-radius: 4px;
  overflow: hidden;
}

.rating-bar .bar-fill {
  height: 100%;
  background: #f59e0b;
  border-radius: 4px;
}

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

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.testimonial-card p {
  font-size: 0.95rem;
  color: var(--color-text);
  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: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-primary);
}

.testimonial-role {
  font-size: 0.82rem;
  color: var(--color-text-light);
}

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

.testimonial-tag {
  padding: 8px 20px;
  background: var(--color-white);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-text);
  font-weight: 500;
  border: 1px solid var(--color-border);
}

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

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

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 24px;
  text-align: center;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-light-bg);
}

.comparison-table th {
  background: var(--color-light-bg);
  font-weight: 700;
  color: var(--color-primary);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 600;
}

.comparison-table td:nth-child(2) {
  background: rgba(61,130,177,0.04);
}

.comparison-table th:nth-child(2) {
  background: rgba(61,130,177,0.1);
  color: var(--color-highlight);
}

.comparison-table .check {
  color: var(--color-highlight);
  font-weight: 700;
}

.comparison-table .cross {
  color: #d4d4d4;
}

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

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

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

.faq-item.active {
  border-color: rgba(61,130,177,0.3);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
  transition: var(--transition);
  gap: 16px;
}

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

.faq-question i {
  font-size: 0.85rem;
  color: var(--color-highlight);
  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 ease, padding 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

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

.final-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61,130,177,0.15) 0%, transparent 70%);
  pointer-events: none;
}

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

.final-cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
}

.final-cta p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
}

.final-cta .btn-primary {
  padding: 18px 48px;
  font-size: 1.15rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-dark-bg);
  padding: 48px 0 24px;
  color: rgba(255,255,255,0.6);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-logo img {
  width: 30px;
  height: 30px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  font-size: 0.85rem;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 900;
  cursor: pointer;
}

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

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

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

  .nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
  }

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

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

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat .number {
    font-size: 1.6rem;
  }

  .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;
  }

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

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

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

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

  .footer-links {
    justify-content: center;
  }

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

  .lang-switcher {
    display: none;
  }
}

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

  .container {
    padding: 0 16px;
  }

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

  .pricing-grid {
    max-width: 100%;
  }
}