/* ==========================================
   PixNova AI — Global Stylesheet
   ========================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #f6f5f5;
  --color-secondary: #f5f3f3;
  --color-accent: #5a2c6e;
  --color-accent2: #a15570;
  --color-accent3: #b48868;
  --color-white: #ffffff;
  --color-dark: #1a1a2e;
  --color-text: #333344;
  --color-text-light: #6b6b80;
  --color-border: #e8e6ea;
  --color-card-bg: #ffffff;
  --color-hero-gradient: linear-gradient(135deg, #5a2c6e 0%, #a15570 50%, #b48868 100%);
  --color-cta-gradient: linear-gradient(135deg, #5a2c6e 0%, #a15570 100%);
  --color-section-alt: #faf9fb;
  --shadow-sm: 0 2px 8px rgba(90, 44, 110, 0.08);
  --shadow-md: 0 4px 20px rgba(90, 44, 110, 0.12);
  --shadow-lg: 0 8px 40px rgba(90, 44, 110, 0.16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Inter', 'Noto Sans SC', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 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-body);
  color: var(--color-text);
  background-color: var(--color-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

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

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

.section-title {
  text-align: center;
  font-size: 2.25rem;
  margin-bottom: 1rem;
  position: relative;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 3rem;
}

/* --- 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: none;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-cta-gradient);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(90, 44, 110, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(90, 44, 110, 0.4);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

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

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

.header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
  transition: color var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

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

.logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: all var(--transition);
  white-space: nowrap;
}

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

.nav-menu a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.header.scrolled .nav-menu a:hover {
  color: var(--color-accent);
  background: rgba(90, 44, 110, 0.08);
}

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

.nav-cta {
  flex-shrink: 0;
}

.nav-cta .btn-primary {
  padding: 10px 24px;
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  margin-left: 8px;
  flex-shrink: 0;
}

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.header.scrolled .lang-switcher-btn {
  color: var(--color-text);
}

.lang-switcher-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.header.scrolled .lang-switcher-btn:hover {
  background: rgba(90, 44, 110, 0.08);
}

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

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

.lang-dropdown a {
  display: block;
  padding: 10px 18px;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: all var(--transition);
}

.lang-dropdown a:hover,
.lang-dropdown a.active {
  background: rgba(90, 44, 110, 0.08);
  color: var(--color-accent);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-white);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition);
}

.header.scrolled .menu-toggle {
  color: var(--color-dark);
}

.mobile-nav {
  display: none;
}

.mobile-nav-close {
  display: none;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  background: var(--color-hero-gradient);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
  animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, -1%) rotate(1deg); }
  50% { transform: translate(-1%, 2%) rotate(-1deg); }
  75% { transform: translate(1%, -2%) rotate(0.5deg); }
}

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

.hero h1 {
  font-size: 3.2rem;
  color: var(--color-white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero h1 span {
  display: inline-block;
  background: linear-gradient(135deg, #ffd6e0, #ffe0c2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 2rem;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  backdrop-filter: blur(8px);
}

.hero-badge i {
  color: #ffd700;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */
.features {
  padding: 100px 0;
  background: var(--color-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 3rem;
}

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

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-cta-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(90, 44, 110, 0.08), rgba(161, 85, 112, 0.08));
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
  color: var(--color-accent);
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

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

.features-cta {
  text-align: center;
}

/* ==========================================
   USE CASES SECTION
   ========================================== */
.use-cases {
  padding: 100px 0;
  background: var(--color-section-alt);
}

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

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

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

.use-case-card:nth-child(1) .use-case-icon {
  background: linear-gradient(135deg, rgba(90, 44, 110, 0.1), rgba(90, 44, 110, 0.05));
  color: var(--color-accent);
}

.use-case-card:nth-child(2) .use-case-icon {
  background: linear-gradient(135deg, rgba(161, 85, 112, 0.1), rgba(161, 85, 112, 0.05));
  color: var(--color-accent2);
}

.use-case-card:nth-child(3) .use-case-icon {
  background: linear-gradient(135deg, rgba(180, 136, 104, 0.1), rgba(180, 136, 104, 0.05));
  color: var(--color-accent3);
}

.use-case-card:nth-child(4) .use-case-icon {
  background: linear-gradient(135deg, rgba(90, 44, 110, 0.1), rgba(161, 85, 112, 0.05));
  color: var(--color-accent);
}

.use-case-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
}

.use-case-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.use-case-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ==========================================
   PRICING SECTION
   ========================================== */
.pricing {
  padding: 100px 0;
  background: var(--color-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

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

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

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

.pricing-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-dark);
  margin: 1rem 0;
}

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

.pricing-features {
  text-align: left;
  margin: 1.5rem 0 2rem;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  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: #cbd5e1;
}

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

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */
.testimonials {
  padding: 100px 0;
  background: var(--color-section-alt);
}

.testimonials-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

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

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

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

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

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

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

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-stars {
  color: #f59e0b;
  margin-bottom: 1rem;
}

.testimonial-card p {
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  line-height: 1.7;
  font-style: italic;
}

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

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

.testimonial-info strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-dark);
}

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

.testimonial-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 2.5rem;
}

.testimonial-tag {
  padding: 8px 18px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ==========================================
   COMPARISON SECTION
   ========================================== */
.comparison {
  padding: 100px 0;
  background: var(--color-white);
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison-table thead th {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 18px 24px;
  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 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.comparison-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--color-dark);
}

.comparison-table tbody td.highlight {
  background: rgba(90, 44, 110, 0.04);
}

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

.comparison-table tbody td i.fa-check {
  color: var(--color-accent);
  font-size: 1.1rem;
}

.comparison-table tbody td i.fa-xmark {
  color: #cbd5e1;
  font-size: 1.1rem;
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq {
  padding: 100px 0;
  background: var(--color-section-alt);
}

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

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

.faq-item:hover {
  border-color: rgba(90, 44, 110, 0.2);
}

.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-dark);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  transition: color var(--transition);
}

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

.faq-question i {
  font-size: 0.85rem;
  transition: transform var(--transition);
  color: var(--color-accent);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

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

/* ==========================================
   FINAL CTA SECTION
   ========================================== */
.final-cta {
  padding: 100px 0;
  background: var(--color-hero-gradient);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 60% 40%, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
}

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

.final-cta h2 {
  font-size: 2.5rem;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.final-cta p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
}

.final-cta .btn-primary {
  background: var(--color-white);
  color: var(--color-accent);
  font-size: 1.15rem;
  padding: 18px 44px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.final-cta .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  padding: 60px 0 30px;
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.footer h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

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

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

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-cta-gradient);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
  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 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);
  }

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

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

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

  .nav-menu,
  .nav-cta {
    display: none;
  }

  .nav-menu.mobile-active,
  .nav-cta.mobile-active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(20px);
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }

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

  .mobile-nav a {
    font-size: 1.25rem;
    color: var(--color-white);
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    transition: all var(--transition);
  }

  .mobile-nav a:hover {
    background: rgba(255, 255, 255, 0.1);
  }

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

  .mobile-nav-close {
    display: block;
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 1.5rem;
    color: var(--color-white);
    background: none;
    border: none;
    cursor: pointer;
  }

  .mobile-nav .lang-mobile {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-nav .lang-mobile a {
    font-size: 0.9rem;
    padding: 8px 16px;
  }

  .lang-switcher {
    display: none;
  }

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

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

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

  .section-title {
    font-size: 1.85rem;
  }

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

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

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

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

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

  .final-cta h2 {
    font-size: 1.85rem;
  }
}

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

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

  .pricing-price {
    font-size: 2.2rem;
  }

  .comparison-table {
    font-size: 0.78rem;
  }
}