/* ========================================
   DreamGF - Global Stylesheet
   ======================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #f1eceb;
  --color-secondary: #eec1c9;
  --color-dark: #463c37;
  --color-accent: #d45b71;
  --color-warm: #a87b5e;
  --color-white: #ffffff;
  --color-bg: #faf8f7;
  --color-text: #463c37;
  --color-text-light: #7a6e68;
  --color-border: rgba(70, 60, 55, 0.1);
  --gradient-accent: linear-gradient(135deg, #d45b71, #eec1c9);
  --gradient-warm: linear-gradient(135deg, #a87b5e, #d45b71);
  --gradient-hero: linear-gradient(160deg, #f1eceb 0%, #eec1c9 50%, #f1eceb 100%);
  --shadow-sm: 0 2px 8px rgba(70, 60, 55, 0.06);
  --shadow-md: 0 4px 20px rgba(70, 60, 55, 0.1);
  --shadow-lg: 0 8px 40px rgba(70, 60, 55, 0.12);
  --shadow-card: 0 4px 24px rgba(212, 91, 113, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', sans-serif;
  --font-display: 'Playfair Display', 'Noto Serif SC', serif;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

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

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

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

/* --- Section Base --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-family: var(--font-display);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 20px auto 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(212, 91, 113, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212, 91, 113, 0.4);
  color: var(--color-white);
}

.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-lg {
  padding: 18px 42px;
  font-size: 1.15rem;
  border-radius: 32px;
}

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

.header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-dark);
  font-family: var(--font-display);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.nav-menu a:hover {
  color: var(--color-accent);
  background: rgba(212, 91, 113, 0.06);
}

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

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

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

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}

.lang-toggle:hover {
  color: var(--color-accent);
  background: rgba(212, 91, 113, 0.06);
}

.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;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
}

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

.lang-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.lang-dropdown a:hover,
.lang-dropdown a.active {
  background: rgba(212, 91, 113, 0.06);
  color: var(--color-accent);
}

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

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: var(--transition);
  border-radius: 2px;
}

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

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

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

/* --- Hero Section --- */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 91, 113, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 123, 94, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-badge i {
  font-size: 0.85rem;
}

.hero h1 {
  font-size: 3.5rem;
  font-family: var(--font-display);
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.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: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

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

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

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

.hero-stat .stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

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

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

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

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

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

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  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;
  margin-bottom: 10px;
}

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

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

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

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

.use-case-card {
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

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

.use-case-card:nth-child(1) .use-case-icon {
  background: rgba(212, 91, 113, 0.1);
  color: var(--color-accent);
}

.use-case-card:nth-child(2) .use-case-icon {
  background: rgba(168, 123, 94, 0.1);
  color: var(--color-warm);
}

.use-case-card:nth-child(3) .use-case-icon {
  background: rgba(238, 193, 201, 0.3);
  color: var(--color-accent);
}

.use-case-card:nth-child(4) .use-case-icon {
  background: rgba(70, 60, 55, 0.08);
  color: var(--color-dark);
}

.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 h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.use-case-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.7;
}

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

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

.pricing-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  transition: var(--transition);
  position: relative;
}

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

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

.pricing-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.pricing-price {
  margin: 16px 0 24px;
}

.pricing-price .amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-display);
}

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

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

.pricing-features li {
  padding: 10px 0;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--color-border);
}

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

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

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

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

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

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

.testimonials-overview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 48px;
  padding: 32px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.rating-big .score {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-display);
  line-height: 1;
}

.rating-big .stars {
  color: #f4b942;
  font-size: 1.2rem;
  margin: 8px 0;
}

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

.rating-bars {
  flex: 1;
  max-width: 300px;
}

.rating-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 0.85rem;
}

.rating-bar span:first-child {
  width: 20px;
  text-align: right;
  color: var(--color-text-light);
}

.rating-bar .bar {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.rating-bar .bar-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 4px;
}

.rating-bar span:last-child {
  width: 35px;
  color: var(--color-text-light);
}

.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);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.testimonial-stars {
  color: #f4b942;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 20px;
  font-style: italic;
}

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

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 600;
  font-size: 1rem;
}

.author-info .name {
  font-weight: 600;
  font-size: 0.95rem;
}

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

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

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

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

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  min-width: 600px;
}

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

.comparison-table thead th {
  background: var(--color-bg);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-dark);
}

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

.comparison-table .highlight {
  background: rgba(212, 91, 113, 0.04);
}

.comparison-table thead th.highlight {
  background: rgba(212, 91, 113, 0.1);
  color: var(--color-accent);
}

.comparison-table .check {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
}

.comparison-table .cross {
  color: #ccc;
  font-size: 1.1rem;
}

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

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

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

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

.faq-item:hover {
  border-color: rgba(212, 91, 113, 0.2);
}

.faq-item.active {
  box-shadow: var(--shadow-sm);
  border-color: rgba(212, 91, 113, 0.2);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

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

.faq-question i {
  font-size: 0.9rem;
  color: var(--color-accent);
  transition: var(--transition);
  flex-shrink: 0;
}

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

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

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

/* --- Final CTA Section --- */
.final-cta {
  background: var(--gradient-warm);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::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%;
}

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

.final-cta h2 {
  font-size: 2.8rem;
  color: var(--color-white);
  font-family: var(--font-display);
  margin-bottom: 16px;
}

.final-cta p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
}

.final-cta .btn {
  background: var(--color-white);
  color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.final-cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.2);
  color: var(--color-accent);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.footer-column h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-column a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

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

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  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(16px);
  transition: var(--transition);
  z-index: 999;
  cursor: pointer;
}

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

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

/* --- Animations --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* --- Mobile Navigation Overlay --- */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.mobile-nav-overlay a {
  font-size: 1.3rem;
  padding: 14px 32px;
  font-weight: 600;
  color: var(--color-dark);
  border-radius: var(--radius-sm);
}

.mobile-nav-overlay a:hover {
  color: var(--color-accent);
  background: rgba(212, 91, 113, 0.06);
}

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

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 1.5rem;
  padding: 8px;
  color: var(--color-dark);
  cursor: pointer;
}

/* --- 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: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

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

  .testimonials-slider {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

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

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

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

  .nav-menu {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

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

  .use-cases-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

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

  .rating-bars {
    max-width: 100%;
    width: 100%;
  }

  .final-cta h2 {
    font-size: 2rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

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

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

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

  .hero {
    min-height: auto;
    padding-top: 90px;
    padding-bottom: 60px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

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

  .btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
  }

  .pricing-card {
    padding: 32px 24px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 14px 16px;
    font-size: 0.85rem;
  }
}