/* ============================================
   糖心vlog - 游戏解说视频社区 原创CSS
   主题：赛博朋克电竞风 - 暗紫+霓虹青+品红渐变
   域名：ygzzsfoo.cn
   ============================================ */

/* === 基础重置与变量 === */
:root {
  --bg-primary: #0b0d1a;
  --bg-secondary: #111428;
  --bg-card: #161938;
  --bg-card-hover: #1c2045;
  --accent-cyan: #00e5ff;
  --accent-magenta: #ff2d78;
  --accent-purple: #8b5cf6;
  --accent-gold: #fbbf24;
  --text-primary: #e8eaf6;
  --text-secondary: #9fa8da;
  --text-muted: #5c6bc0;
  --border-color: #1e2250;
  --gradient-main: linear-gradient(135deg, #00e5ff 0%, #8b5cf6 50%, #ff2d78 100%);
  --gradient-card: linear-gradient(145deg, #161938 0%, #1a1d42 100%);
  --shadow-neon: 0 0 20px rgba(0, 229, 255, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: var(--accent-cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-magenta); }

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

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* === 干扰标签隐藏 === */
.jammer-zone {
  display: none !important;
  visibility: hidden !important;
  position: absolute !important;
  left: -99999px !important;
  top: -99999px !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* === 顶部导航 === */
.top-header {
  background: rgba(11, 13, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand img {
  height: 42px;
  width: auto;
}

.nav-brand-text {
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-menu a {
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.08);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 1px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* === 搜索框 === */
.search-bar-wrap {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  margin-top: 68px;
}

.search-bar-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.search-bar-inner input {
  width: 100%;
  padding: 12px 48px 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.search-bar-inner input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

.search-bar-inner input::placeholder { color: var(--text-muted); }

.search-bar-inner button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--gradient-main);
  border: none;
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Hero Banner === */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 60px 20px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.35) saturate(1.3);
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,13,26,0.6) 0%, rgba(11,13,26,0.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
}

.hero-content h2 {
  font-size: 1.3rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 28px;
  line-height: 1.6;
}

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

.hero-tags span {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--accent-purple);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}

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

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.3);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--accent-cyan);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.1);
  transform: translateY(-2px);
  color: var(--accent-cyan);
}

/* === 通用段落标题 === */
.section-block {
  padding: 64px 0;
}

.section-block:nth-child(even) {
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-title h2 span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* === 视频卡片网格 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.video-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-neon);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.08);
}

.play-btn-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .play-btn-overlay {
  opacity: 1;
}

.play-btn-circle {
  width: 64px;
  height: 64px;
  background: rgba(0, 229, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.5);
  transition: var(--transition);
}

.play-btn-circle::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 22px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

.video-card:hover .play-btn-circle {
  transform: scale(1.1);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.video-info {
  padding: 16px;
}

.video-info h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* === 分类标签栏 === */
.category-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}

.category-tabs .tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.category-tabs .tab-btn:hover,
.category-tabs .tab-btn.active {
  background: rgba(0, 229, 255, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* === 特色卡片（横向） === */
.feature-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

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

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

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-purple);
  box-shadow: 0 12px 40px rgba(139, 92, 246, 0.15);
}

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

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

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

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

/* === 专家团队 === */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.expert-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-neon);
  border-color: var(--accent-cyan);
}

.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.expert-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.expert-card .role {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.expert-card .bio {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 12px;
}

.expert-card .awards {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.expert-card .awards span {
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-gold);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
}

/* === FAQ === */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition);
}

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

.faq-question .arrow {
  transition: transform 0.3s;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.faq-item.open .faq-question .arrow { transform: rotate(180deg); }

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

.faq-answer-inner {
  padding: 0 24px 18px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* === 用户评论 === */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 8px 30px rgba(251, 191, 36, 0.1);
}

.review-stars {
  color: var(--accent-gold);
  margin-bottom: 12px;
  font-size: 1rem;
  letter-spacing: 2px;
}

.review-text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 16px;
  font-style: italic;
}

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

.review-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.review-author-info .name {
  font-weight: 600;
  font-size: 0.9rem;
}

.review-author-info .date {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* === 合作品牌墙 === */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.partner-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px 28px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

/* === How-To 指南 === */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step;
}

.howto-step {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  counter-increment: step;
}

.howto-step::before {
  content: counter(step);
  position: absolute;
  top: -12px;
  left: 20px;
  width: 32px;
  height: 32px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
}

.howto-step h4 {
  margin-bottom: 8px;
  font-size: 1.05rem;
  margin-top: 8px;
}

.howto-step p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

/* === 联系我们 === */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.contact-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.contact-card h4 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--accent-cyan);
}

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

.contact-card img {
  max-width: 140px;
  margin: 12px auto 0;
  border-radius: 8px;
}

/* === 社交分享 === */
.share-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.share-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.08);
}

/* === 页脚 === */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  padding: 4px 0;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent-cyan);
  padding-left: 6px;
}

.footer-col p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

.footer-logo img { height: 36px; }

/* === 面包屑 === */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb span { margin: 0 8px; }

/* === 内页通用 === */
.page-hero {
  padding: 100px 20px 40px;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.page-content {
  padding: 48px 0;
}

/* === 数据统计条 === */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  padding: 32px 0;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* === AI功能卡片 === */
.ai-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.ai-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.ai-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.ai-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-purple);
}

.ai-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* === 社区分类 === */
.community-cats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.community-cat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.community-cat-item:hover {
  border-color: var(--accent-magenta);
  background: rgba(255, 45, 120, 0.06);
}

.community-cat-item .cat-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  display: block;
}

.community-cat-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.community-cat-item .count {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 2.2rem; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-menu.show {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px;
    gap: 4px;
    z-index: 999;
  }
  .mobile-toggle { display: block; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-content h2 { font-size: 1.05rem; }
  .hero-section { min-height: 420px; padding: 40px 16px; }
  .section-block { padding: 40px 0; }
  .section-title h2 { font-size: 1.6rem; }
  .video-grid { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .ai-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .container { padding: 0 16px; }
}