/* ========================================
   Rushchat.AI — Global Stylesheet
   ======================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #c6b5b3;
  --color-secondary: #bbadac;
  --color-dark: #201c1d;
  --color-plum: #623453;
  --color-brown: #795842;
  --color-white: #ffffff;
  --color-light-bg: #f8f5f4;
  --color-card-bg: #ffffff;
  --color-text: #2d2526;
  --color-text-muted: #6e5f60;
  --color-border: rgba(198, 181, 179, 0.3);
  --color-hero-gradient: linear-gradient(135deg, #201c1d 0%, #3a2535 50%, #201c1d 100%);
  --color-cta-gradient: linear-gradient(135deg, #623453 0%, #795842 100%);
  --color-glass: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(32, 28, 29, 0.06);
  --shadow-md: 0 4px 20px rgba(32, 28, 29, 0.1);
  --shadow-lg: 0 8px 40px rgba(32, 28, 29, 0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-sans: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s ease;
  --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-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

section {
  padding: 80px 0;
}

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

/* ========================================
   HEADER / NAV
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(32, 28, 29, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

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

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

.nav-menu a {
  color: rgba(255,255,255,0.8);
  font-size: 0.92rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-primary);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}

.lang-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-dark);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  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.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown a {
  display: block;
  padding: 8px 16px;
  color: rgba(255,255,255,0.75);
  font-size: 0.88rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.lang-dropdown a:hover,
.lang-dropdown a.active {
  background: rgba(198, 181, 179, 0.15);
  color: var(--color-primary);
}

/* Header CTA */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--color-cta-gradient);
  color: var(--color-white);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 50px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(98, 52, 83, 0.4);
}

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

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO 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(98, 52, 83, 0.2) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(121, 88, 66, 0.15) 0%, transparent 50%);
  animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -2%) rotate(1deg); }
  66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

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

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--color-primary), #e8d5d3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero .btn-cta {
  padding: 14px 36px;
  font-size: 1.05rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
}

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

.hero-stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

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

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

.feature-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(98, 52, 83, 0.1), rgba(198, 181, 179, 0.2));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon i {
  font-size: 1.4rem;
  color: var(--color-plum);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--color-dark);
  margin-bottom: 10px;
}

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

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: 2px solid var(--color-plum);
  color: var(--color-plum);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-fast);
}

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

/* ========================================
   USE CASES SECTION
   ======================================== */
.use-cases {
  background: var(--color-white);
}

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

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

.use-case-card:nth-child(1) {
  background: linear-gradient(135deg, rgba(98, 52, 83, 0.06), rgba(98, 52, 83, 0.02));
}

.use-case-card:nth-child(2) {
  background: linear-gradient(135deg, rgba(121, 88, 66, 0.06), rgba(121, 88, 66, 0.02));
}

.use-case-card:nth-child(3) {
  background: linear-gradient(135deg, rgba(198, 181, 179, 0.15), rgba(198, 181, 179, 0.05));
}

.use-case-card:nth-child(4) {
  background: linear-gradient(135deg, rgba(98, 52, 83, 0.08), rgba(121, 88, 66, 0.04));
}

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

.use-case-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-sm);
}

.use-case-icon i {
  font-size: 1.5rem;
  color: var(--color-plum);
}

.use-case-card h3 {
  font-size: 1.1rem;
  font-weight: 650;
  color: var(--color-dark);
  margin-bottom: 10px;
}

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

/* ========================================
   PRICING SECTION
   ======================================== */
.pricing {
  background: var(--color-light-bg);
}

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

.pricing-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

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

.pricing-card.popular {
  border: 2px solid var(--color-plum);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-6px);
}

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

.pricing-card h3 {
  font-size: 1.2rem;
  font-weight: 650;
  color: var(--color-dark);
  margin-bottom: 8px;
}

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

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

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

.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-text);
}

.pricing-features li i.fa-check {
  color: #4caf50;
  font-size: 0.85rem;
}

.pricing-features li i.fa-xmark {
  color: #ccc;
  font-size: 0.85rem;
}

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

.pricing-card .btn-cta {
  width: 100%;
  justify-content: center;
  padding: 12px 24px;
}

.pricing-card .btn-outline {
  width: 100%;
  justify-content: center;
  padding: 12px 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--color-plum);
  color: var(--color-plum);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-fast);
  background: transparent;
}

.pricing-card .btn-outline:hover {
  background: var(--color-plum);
  color: var(--color-white);
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials {
  background: var(--color-white);
}

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

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

.rating-score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-dark);
}

.rating-stars {
  color: #f5a623;
  font-size: 1.2rem;
  margin: 4px 0;
}

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

.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-muted);
}

.rating-bar-fill {
  width: 120px;
  height: 6px;
  background: #eee;
  border-radius: 3px;
  overflow: hidden;
}

.rating-bar-fill div {
  height: 100%;
  background: #f5a623;
  border-radius: 3px;
}

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

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

.testimonial-card {
  min-width: calc(33.333% - 16px);
  margin: 0 8px;
  background: var(--color-light-bg);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-border);
}

.testimonial-stars {
  color: #f5a623;
  font-size: 0.9rem;
  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: 40px;
  height: 40px;
  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: 0.9rem;
}

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

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

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.carousel-btn:hover {
  background: var(--color-plum);
  color: var(--color-white);
  border-color: var(--color-plum);
}

.testimonial-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.testimonial-tag {
  padding: 6px 16px;
  background: rgba(98, 52, 83, 0.08);
  color: var(--color-plum);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}

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

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

.comparison-table thead th {
  padding: 20px 24px;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--color-dark);
  background: rgba(198, 181, 179, 0.1);
  text-align: center;
  border-bottom: 2px solid var(--color-border);
}

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

.comparison-table thead th.highlight {
  background: rgba(98, 52, 83, 0.1);
  color: var(--color-plum);
}

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

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

.comparison-table tbody td.highlight {
  background: rgba(98, 52, 83, 0.03);
}

.comparison-table tbody td i.fa-check {
  color: #4caf50;
}

.comparison-table tbody td i.fa-xmark {
  color: #e0e0e0;
}

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

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

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

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

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

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

.faq-question:hover {
  background: rgba(198, 181, 179, 0.08);
}

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

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

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

/* ========================================
   FINAL CTA SECTION
   ======================================== */
.final-cta {
  background: var(--color-hero-gradient);
  padding: 80px 0;
  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% 50%, rgba(98, 52, 83, 0.25) 0%, transparent 50%);
}

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

.final-cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}

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

.final-cta .btn-cta {
  padding: 16px 42px;
  font-size: 1.1rem;
}

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

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  max-width: 280px;
  line-height: 1.6;
}

.footer-links h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  padding: 4px 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-cta-gradient);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-fast);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

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

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

/* ========================================
   MOBILE NAV OVERLAY
   ======================================== */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(32, 28, 29, 0.97);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.mobile-nav-overlay nav {
  text-align: center;
}

.mobile-nav-overlay nav a {
  display: block;
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 600;
  padding: 16px 0;
  opacity: 0.8;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-overlay nav a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.mobile-nav-overlay .btn-cta {
  margin-top: 24px;
  padding: 14px 36px;
  font-size: 1.05rem;
}

.mobile-lang-list {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.mobile-lang-list a {
  font-size: 0.9rem !important;
  padding: 8px 16px !important;
  background: rgba(255,255,255,0.06);
  border-radius: 50px;
}

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

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

  .testimonial-card {
    min-width: calc(50% - 16px);
  }
}

@media (max-width: 768px) {
  .nav-menu,
  .header-actions .btn-cta,
  .header-actions .lang-switcher {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

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

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

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-number {
    font-size: 1.4rem;
  }

  section {
    padding: 60px 0;
  }

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

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .testimonial-card {
    min-width: calc(100% - 16px);
  }

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

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

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

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

  .footer-brand p {
    max-width: 100%;
  }

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

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

  .hero-stats {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-around;
    gap: 12px;
    margin-top: 32px;
  }

  .hero-stat {
    flex: 1 1 0;
    min-width: 0;
  }

  .hero-stat-number {
    font-size: 1.2rem;
  }

  .hero-stat-label {
    font-size: 0.7rem;
    line-height: 1.3;
  }

  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 10px 8px;
    font-size: 0.8rem;
  }
}