/* ============================================
   ChatSweetie — Global Stylesheet
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #261e1a;
  --color-secondary: #28201c;
  --color-accent: #cba7b3;
  --color-accent2: #85759d;
  --color-accent3: #929597;
  --color-bg: #faf8f7;
  --color-white: #ffffff;
  --color-text: #3a3a3a;
  --color-text-light: #6b6b6b;
  --color-border: #e8e2e0;
  --color-card-bg: #ffffff;
  --gradient-primary: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent2) 100%);
  --gradient-hero: linear-gradient(160deg, #1a1410 0%, #2d2420 40%, #3a2a35 100%);
  --gradient-cta: linear-gradient(135deg, var(--color-accent2) 0%, var(--color-accent) 100%);
  --shadow-sm: 0 2px 8px rgba(38, 30, 26, 0.06);
  --shadow-md: 0 4px 20px rgba(38, 30, 26, 0.1);
  --shadow-lg: 0 8px 40px rgba(38, 30, 26, 0.14);
  --shadow-card: 0 2px 16px rgba(38, 30, 26, 0.07);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-body: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --font-heading: '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 {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

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

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

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

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

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

section {
  padding: 80px 0;
}

/* ---------- Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(133, 117, 157, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(133, 117, 157, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent2);
  border: 2px solid var(--color-accent2);
}

.btn-secondary:hover {
  background: var(--color-accent2);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 18px 44px;
  font-size: 1.15rem;
}

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

.header.scrolled {
  background: rgba(38, 30, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

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

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.header-logo span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
}

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

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

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

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

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

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

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

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

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

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

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

.lang-dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: background var(--transition);
}

.lang-dropdown a:hover {
  background: var(--color-bg);
  color: var(--color-accent2);
}

.lang-dropdown a.active {
  color: var(--color-accent2);
  font-weight: 600;
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  color: var(--color-white);
  font-size: 1.4rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(38, 30, 26, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

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

.mobile-menu a {
  color: var(--color-white);
  font-size: 1.3rem;
  font-weight: 500;
  padding: 12px 24px;
}

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

.mobile-close {
  position: absolute;
  top: 20px;
  right: 24px;
  color: var(--color-white);
  font-size: 1.8rem;
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-lang-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
  padding: 0 24px;
}

.mobile-lang-list a {
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* ---------- Hero Section ---------- */
.hero {
  background: var(--gradient-hero);
  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(ellipse at 30% 50%, rgba(203, 167, 179, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(133, 117, 157, 0.06) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -10px) scale(1.02); }
}

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

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

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

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.hero-stat .label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}

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

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

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

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

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

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

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

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

/* ---------- Use Cases ---------- */
.use-cases {
  background: var(--color-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: all var(--transition);
  border: 1px solid var(--color-border);
}

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

.use-case-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}

.use-case-card:nth-child(1) .use-case-icon {
  background: rgba(203, 167, 179, 0.15);
  color: var(--color-accent);
}

.use-case-card:nth-child(2) .use-case-icon {
  background: rgba(133, 117, 157, 0.15);
  color: var(--color-accent2);
}

.use-case-card:nth-child(3) .use-case-icon {
  background: rgba(146, 149, 151, 0.15);
  color: var(--color-accent3);
}

.use-case-card:nth-child(4) .use-case-icon {
  background: rgba(203, 167, 179, 0.15);
  color: #c08090;
}

.use-case-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

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

/* ---------- Pricing Section ---------- */
.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-bg);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  border: 2px solid transparent;
  position: relative;
}

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

.pricing-card.popular {
  border-color: var(--color-accent2);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  transform: scale(1.04);
}

.pricing-card.popular:hover {
  transform: scale(1.04) translateY(-4px);
}

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

.pricing-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

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

.pricing-price .currency {
  font-size: 1.2rem;
  font-weight: 600;
  vertical-align: super;
}

.pricing-price .period {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.pricing-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: 8px 0;
  font-size: 0.95rem;
  color: var(--color-text);
}

.pricing-features li i.fa-check {
  color: var(--color-accent2);
}

.pricing-features li i.fa-xmark {
  color: var(--color-accent3);
}

.pricing-features li.disabled {
  color: var(--color-accent3);
}

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

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

.testimonials-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

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

.rating-score {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--color-primary);
}

.rating-stars {
  color: #f4b740;
  font-size: 1.1rem;
  margin: 4px 0;
}

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

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

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

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

.star-bar-fill span {
  display: block;
  height: 100%;
  background: #f4b740;
  border-radius: 3px;
}

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

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.testimonial-stars {
  color: #f4b740;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  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: 0.9rem;
  color: var(--color-primary);
}

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

.testimonial-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 36px;
}

.testimonial-tag {
  padding: 8px 18px;
  border-radius: 50px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ---------- 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;
  font-size: 0.95rem;
}

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

.comparison-table thead th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-primary);
}

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

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

.comparison-table .highlight-col {
  background: rgba(133, 117, 157, 0.06);
}

.comparison-table thead .highlight-col {
  background: var(--color-accent2);
  color: var(--color-white);
}

.comparison-table i.fa-check {
  color: var(--color-accent2);
  font-size: 1.1rem;
}

.comparison-table i.fa-xmark {
  color: var(--color-accent3);
  font-size: 1.1rem;
}

/* ---------- FAQ Section ---------- */
.faq {
  background: var(--color-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);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition);
}

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

.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);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  gap: 16px;
}

.faq-question i {
  font-size: 0.85rem;
  color: var(--color-accent2);
  transition: transform var(--transition);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ---------- Final CTA ---------- */
.final-cta {
  background: var(--gradient-hero);
  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(ellipse at 50% 50%, rgba(203, 167, 179, 0.1) 0%, transparent 60%);
}

.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;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-brand span {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 300px;
}

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

.footer-links a {
  display: block;
  font-size: 0.9rem;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-legal a {
  margin-left: 16px;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-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(10px);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  z-index: 900;
}

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

.back-to-top:hover {
  background: var(--color-accent2);
  transform: translateY(-2px);
}

/* ---------- 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);
  }

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

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

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

  .mobile-toggle {
    display: block;
  }

  .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;
  }

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

  section {
    padding: 60px 0;
  }

  .features-grid,
  .use-cases-grid,
  .pricing-grid,
  .testimonials-slider {
    grid-template-columns: 1fr;
  }

  .pricing-card.popular {
    transform: none;
  }

  .pricing-card.popular:hover {
    transform: translateY(-4px);
  }

  .comparison-table th,
  .comparison-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

  .testimonials-header {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

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

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