/* ===== CSS Variables ===== */
:root {
  --color-primary: #2e293b;
  --color-secondary: #e6d7dd;
  --color-accent: #c13e50;
  --color-warm: #c37e56;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f5f6;
  --color-text: #2e293b;
  --color-text-light: #6b6278;
  --color-text-inverse: #ffffff;
  --color-border: #e0d6da;
  --color-card-bg: #ffffff;
  --gradient-primary: linear-gradient(135deg, #2e293b 0%, #4a3f5c 100%);
  --gradient-accent: linear-gradient(135deg, #c13e50 0%, #c37e56 100%);
  --gradient-hero: linear-gradient(160deg, #2e293b 0%, #3d3550 40%, #4a3f5c 100%);
  --shadow-sm: 0 2px 8px rgba(46,41,59,0.06);
  --shadow-md: 0 4px 20px rgba(46,41,59,0.1);
  --shadow-lg: 0 8px 40px rgba(46,41,59,0.14);
  --shadow-card: 0 2px 16px rgba(46,41,59,0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-heading: 'Inter', 'Noto Sans SC', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 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-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

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

.section-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

section {
  padding: 80px 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 16px rgba(193,62,80,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(193,62,80,0.4);
}

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

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

.btn-white {
  background: #ffffff;
  color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.15);
}

.btn-lg {
  padding: 18px 42px;
  font-size: 1.15rem;
}

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

.header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

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

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  z-index: 1001;
}

.header.scrolled .header-logo {
  color: var(--color-primary);
}

.header-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

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

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

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

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

.header.scrolled .nav-links a:hover {
  color: var(--color-accent);
}

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

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

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

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  transition: var(--transition);
  background: rgba(255,255,255,0.1);
}

.header.scrolled .lang-toggle {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.lang-toggle:hover {
  background: rgba(255,255,255,0.2);
}

.header.scrolled .lang-toggle:hover {
  background: var(--color-secondary);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-card-bg);
  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: 1002;
}

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

.lang-dropdown a {
  display: block;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--color-text);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

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

.header.scrolled .hamburger span {
  background: var(--color-primary);
}

.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;
  inset: 0;
  background: var(--color-primary);
  z-index: 999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.mobile-nav a {
  font-size: 1.25rem;
  color: var(--color-text-inverse);
  font-weight: 500;
}

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

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

.mobile-lang-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
}

.mobile-lang-list a {
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
}

.mobile-lang-list a.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ===== Hero ===== */
.hero {
  background: var(--gradient-hero);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(193,62,80,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(195,126,86,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

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

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--color-text-inverse);
  margin-bottom: 1rem;
  line-height: 1.2;
}

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

.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 50px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255,255,255,0.15);
}

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

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

.feature-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
  background: var(--color-bg-alt);
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
}

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

.features .btn-secondary {
  display: block;
  width: fit-content;
  margin: 0 auto;
}

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

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

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

.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;
  font-size: 1.6rem;
  margin: 0 auto 16px;
  color: #fff;
}

.use-case-card:nth-child(1) .use-case-icon { background: var(--gradient-accent); }
.use-case-card:nth-child(2) .use-case-icon { background: linear-gradient(135deg, #c37e56, #d4a574); }
.use-case-card:nth-child(3) .use-case-icon { background: linear-gradient(135deg, #2e293b, #4a3f5c); }
.use-case-card:nth-child(4) .use-case-icon { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }

.use-case-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.use-case-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ===== 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-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border-color: var(--color-accent);
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: #fff;
  padding: 4px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
}

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

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

.pricing-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-features {
  margin-bottom: 28px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.95rem;
  color: var(--color-text);
}

.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: #d4d0d8;
}

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

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

.testimonials-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

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

.rating-score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.rating-stars {
  color: #f59e0b;
  font-size: 1.2rem;
  margin: 8px 0 4px;
}

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

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

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

.rating-bar-fill {
  width: 120px;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.rating-bar-fill span {
  display: block;
  height: 100%;
  background: #f59e0b;
  border-radius: 3px;
}

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

.testimonials-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: calc(33.333% - 16px);
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
  flex-shrink: 0;
}

.testimonial-card .stars {
  color: #f59e0b;
  margin-bottom: 12px;
}

.testimonial-card p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 16px;
  font-style: italic;
}

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

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

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

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

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 2rem;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-card-bg);
  color: var(--color-text);
}

.carousel-btn:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.testimonial-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 2rem;
}

.testimonial-tags span {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

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

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.comparison-table thead th {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 18px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
}

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

.comparison-table thead th.highlight {
  background: var(--color-accent);
}

.comparison-table tbody td {
  padding: 16px 20px;
  text-align: center;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}

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

.comparison-table tbody td.highlight {
  background: rgba(193,62,80,0.04);
  font-weight: 600;
}

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

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

.comparison-table .cross {
  color: #d4d0d8;
}

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

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

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

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

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

.faq-question i {
  font-size: 0.85rem;
  transition: transform 0.3s ease;
  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;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

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

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text-inverse);
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

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

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

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

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  cursor: pointer;
  z-index: 900;
  border: none;
}

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

.back-to-top:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

/* ===== 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-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }
.fade-up.delay-5 { transition-delay: 0.5s; }
.fade-up.delay-6 { transition-delay: 0.6s; }

/* ===== 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.popular {
    transform: scale(1);
  }
  .testimonial-card {
    min-width: calc(50% - 12px);
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-right .btn-primary,
  .lang-switcher {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

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

  .section-title {
    font-size: 1.75rem;
  }

  section {
    padding: 60px 0;
  }

  .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 {
    min-width: calc(100% - 0px);
  }

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

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

  .cta-section h2 {
    font-size: 1.75rem;
  }

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

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

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

  .carousel-controls {
    margin-top: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
  }

  .container {
    padding: 0 16px;
  }
}