/* ============================================
   用查查官网 - 样式表
   主题色：#0052D9（TDesign 蓝）
   ============================================ */

/* CSS 变量 */
:root {
  --primary: #0052D9;
  --primary-light: #e6f0ff;
  --primary-dark: #003cb3;
  --secondary: #00a870;
  --accent-green: #00a870;
  --accent-purple: #7b61ff;
  --accent-orange: #ff5722;
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --text-light: #999;
  --bg-white: #ffffff;
  --bg-gray: #f7f8fa;
  --border-color: #e5e6eb;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 82, 217, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --container-max: 1200px;
  --header-height: 72px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

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

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

.section--gray {
  background: var(--bg-gray);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-badge {
  display: inline-block;
  padding: 4px 16px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header.scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
  z-index: 10;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 18px;
  font-size: 15px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-link--primary {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
}

.nav-link--primary:hover {
  background: var(--primary-dark) !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.hamburger {
  position: relative;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: background var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.mobile-menu-btn.active .hamburger { background: transparent; }
.mobile-menu-btn.active .hamburger::before { top: 0; transform: rotate(45deg); }
.mobile-menu-btn.active .hamburger::after { top: 0; transform: rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 9;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.mobile-nav-links {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-link {
  display: block;
  padding: 14px 32px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  color: var(--primary);
  background: var(--primary-light);
}

.mobile-nav-link--primary {
  background: var(--primary) !important;
  color: #fff !important;
  margin-top: 12px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  background: linear-gradient(135deg, #f0f5ff 0%, #e8efff 50%, #fff 100%);
  overflow: hidden;
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 82, 217, 0.3);
}

.btn--primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 24px rgba(0, 82, 217, 0.4);
  transform: translateY(-1px);
}

.btn--outline {
  border-color: var(--border-color);
  color: var(--text-secondary);
  background: #fff;
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn--lg {
  padding: 14px 32px;
  font-size: 17px;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-suffix {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-color);
}

/* Phone Mockup */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: #1a1a1a;
  border-radius: 44px;
  padding: 12px;
  box-shadow:
    0 50px 100px rgba(0, 82, 217, 0.15),
    0 20px 60px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 34px;
  overflow: hidden;
  position: relative;
}

.phone-notch {
  width: 120px;
  height: 28px;
  background: #1a1a1a;
  border-radius: 0 0 16px 16px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.phone-content {
  padding: 40px 16px 16px;
  height: 100%;
  overflow-y: auto;
}

.mini-logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
}

.mini-search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-gray);
  border-radius: 10px;
  margin-bottom: 20px;
}

.mini-placeholder {
  font-size: 13px;
  color: var(--text-light);
}

.mini-hot-section .mini-hot-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.mini-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-tag {
  padding: 6px 12px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  border-radius: 6px;
  font-weight: 500;
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 82, 217, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
  animation: glow 4s ease-in-out infinite alternate;
}

@keyframes glow {
  from { opacity: 0.6; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1.05); }
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: 80px;
}

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

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

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

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

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

.feature-card:nth-child(1)::before { background: var(--primary); }
.feature-card:nth-child(2)::before { background: var(--accent-green); }
.feature-card:nth-child(3)::before { background: var(--accent-purple); }

.feature-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon-wrap--blue { background: linear-gradient(135deg, #0052D9, #2671ea); }
.feature-icon-wrap--green { background: linear-gradient(135deg, #00a870, #33c98c); }
.feature-icon-wrap--purple { background: linear-gradient(135deg, #7b61ff, #9d8aff); }

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-card--wide {
  grid-column: span 3;
  background: linear-gradient(135deg, #f0f5ff, #fafbff);
  border-color: rgba(0, 82, 217, 0.1);
}

.feature-card--wide:hover {
  border-color: rgba(0, 82, 217, 0.2);
}

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

.extra-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
}

.extra-feature h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.extra-feature p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   How It Works
   ============================================ */
.steps-list {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps-list::before {
  content: '';
  position: absolute;
  top: 42px;
  left: calc(16.66% + 30px);
  right: calc(16.66% + 30px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
  opacity: 0.25;
  border-radius: 2px;
}

.step-item {
  text-align: center;
  position: relative;
}

.step-number {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  font-size: 26px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  position: relative;
  z-index: 2;
  box-shadow: 0 8px 24px rgba(0, 82, 217, 0.25);
}

.step-content h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 260px;
  margin: 0 auto;
}

/* ============================================
   Brands Section
   ============================================ */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.brand-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}

.brand-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.brand-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  text-align: center;
}

.brand-logo--highlight {
  color: var(--primary);
  font-size: 22px;
}

.brand-name {
  font-size: 13px;
  color: var(--text-light);
}

/* ============================================
   CTA / Download Section
   ============================================ */
.cta-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: linear-gradient(135deg, #0052D9, #0040aa);
  border-radius: var(--radius-xl);
  padding: 72px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  border-radius: 50%;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 17px;
  opacity: 0.88;
  margin-bottom: 32px;
  line-height: 1.6;
}

.qr-wrap {
  display: inline-block;
  text-align: center;
}

.qr-placeholder {
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  display: inline-block;
  margin-bottom: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* 真实二维码图片 */
.qr-img {
  width: 200px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,82,217,0.15);
  border: 2px solid #e8edf5;
}

.qr-hint {
  font-size: 13px;
  opacity: 0.7;
}

.cta-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 2;
}

.cta-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 500;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}

.cta-feature-item svg {
  flex-shrink: 0;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item[open] {
  box-shadow: var(--shadow-sm);
  border-color: rgba(0, 82, 217, 0.2);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--transition);
}

.faq-question::-webkit-details-marker {
  display: none;
}

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

.faq-arrow {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--text-light);
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-answer ol {
  list-style: decimal;
  padding-left: 20px;
  margin-top: 8px;
}

.faq-answer li {
  margin-bottom: 6px;
  line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #1a1a2e;
  color: rgba(255, 255, 255, 0.75);
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
}

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

.footer-slogan {
  font-size: 14px;
  opacity: 0.6;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  opacity: 0.65;
  transition: opacity var(--transition);
}

.footer-col a:hover {
  opacity: 1;
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  opacity: 0.5;
}

.footer-icp,
.beian {
  font-size: 12px;
}

.beian a {
  color: inherit;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.beian a:hover {
  opacity: 1;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 82, 217, 0.35);
  transition: all var(--transition);
  z-index: 99;
}

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

.back-to-top[hidden] {
  display: none;
}

/* ============================================
   Animations (Scroll Reveal)
   ============================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-right"] {
  transform: translateX(-40px);
}

[data-animate="fade-left"] {
  transform: translateX(40px);
}

[data-animate].animated {
  opacity: 1;
  transform: translate(0, 0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .phone-mockup {
    animation: none;
  }
  .hero-glow {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet & Below */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-card--wide {
    grid-column: span 2;
  }
  .feature-extra-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-list {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .steps-list::before {
    display: none;
  }
  .brand-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .cta-box {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 56px 40px;
  }
  .cta-features {
    align-items: center;
  }
  .footer-links {
    gap: 48px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  /* Nav Mobile */
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  /* Hero Mobile */
  .hero {
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 60px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 0;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
  }

  .phone-mockup {
    width: 240px;
    height: 480px;
  }

  .phone-notch {
    width: 100px;
    height: 24px;
  }

  /* Features Mobile */
  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card--wide {
    grid-column: span 1;
  }

  .feature-extra-grid {
    grid-template-columns: 1fr;
  }

  .extra-feature {
    padding: 12px;
  }

  /* Brands Mobile */
  .brand-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .brand-item {
    padding: 20px 12px;
  }

  .brand-logo {
    font-size: 15px;
  }

  .brand-logo--highlight {
    font-size: 18px;
  }

  /* CTA Mobile */
  .cta-box {
    padding: 40px 24px;
    border-radius: var(--radius-lg);
  }

  .cta-features {
    align-items: stretch;
  }

  .cta-feature-item {
    justify-content: center;
  }

  /* Footer Mobile */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-links {
    gap: 40px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

/* Small mobile */
@media (max-width: 380px) {
  .container {
    padding: 0 16px;
  }

  .hero-stats {
    gap: 16px;
  }

  .stat-number {
    font-size: 26px;
  }
}