/* ============================================
   每日巅峰越野登山挑战赛 - 户外机能风主题样式
   Gorpcore + 地形图元素视觉系统
   ============================================ */

/* CSS变量定义 */
:root {
  --color-primary: #2E7D32;
  --color-primary-dark: #1B5E20;
  --color-primary-light: #4CAF50;
  --color-accent: #FF8F00;
  --color-accent-light: #FFB300;
  --color-rock: #BDBDBD;
  --color-rock-dark: #757575;
  --color-bg: #F5F5F6;
  --color-card: #FFFFFF;
  --color-text: #212121;
  --color-text-light: #616161;
  --color-text-muted: #9E9E9E;
  --color-border: #E0E0E0;
  --color-danger: #D32F2F;
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.2);
  --radius: 0;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
}

/* 等高线纹理背景 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    repeating-conic-gradient(rgba(46,125,50,0.03) 0% 25%, transparent 0% 50%) 0 0 / 60px 60px,
    repeating-linear-gradient(0deg, rgba(46,125,50,0.02) 0px, rgba(46,125,50,0.02) 1px, transparent 1px, transparent 20px),
    repeating-linear-gradient(90deg, rgba(46,125,50,0.02) 0px, rgba(46,125,50,0.02) 1px, transparent 1px, transparent 20px);
  pointer-events: none;
  z-index: -1;
}

/* 排版系统 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--color-text-light);
}

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

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

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

/* 容器 */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-wide {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* GPS坐标水印 */
.gps-watermark {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  pointer-events: none;
}

/* ============ 导航栏 ============ */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(33, 33, 33, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-primary);
  transition: var(--transition);
}

.nav-header.scrolled {
  background: rgba(33, 33, 33, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #fff;
  font-weight: 900;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav-menu li a {
  display: block;
  padding: 0.75rem 1.25rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 28px;
  height: 3px;
  background: #fff;
  transition: var(--transition);
}

/* ============ Hero区域 ============ */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.4) 0%,
    rgba(0,0,0,0.2) 40%,
    rgba(0,0,0,0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 2rem;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.hero-countdown {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown-number {
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--color-accent);
  line-height: 1;
}

.countdown-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ 按钮系统 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

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

.btn-green {
  background: var(--color-primary);
  color: #fff;
}

.btn-green:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
}

/* ============ 区块标题 ============ */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .section-tag {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(46,125,50,0.1);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  border-left: 3px solid var(--color-primary);
}

.section-header h2 {
  color: var(--color-text);
  margin-bottom: 1rem;
}

.section-header p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-text-light);
}

/* ============ 内容区块 ============ */
.section {
  padding: 6rem 0;
}

.section-alt {
  background: #fff;
}

.section-dark {
  background: var(--color-text);
  color: #fff;
}

.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-dark p {
  color: rgba(255,255,255,0.7);
}

/* ============ 卡片系统 ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

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

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

.card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-elevation {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0,0,0,0.7);
  color: var(--color-accent);
  padding: 0.3rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.card-body {
  padding: 1.5rem;
}

.card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.card-body p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-link:hover {
  color: var(--color-accent);
}

/* ============ 实时战报 ============ */
.live-feed {
  background: var(--color-text);
  padding: 1rem 0;
  overflow: hidden;
}

.live-feed-inner {
  display: flex;
  animation: scrollFeed 30s linear infinite;
}

.live-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 2rem;
  white-space: nowrap;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.live-dot {
  width: 8px;
  height: 8px;
  background: var(--color-danger);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes scrollFeed {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============ 3D地形展示 ============ */
.terrain-showcase {
  position: relative;
  perspective: 1000px;
}

.terrain-card {
  background: #1a1a1a;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.terrain-card img {
  transition: transform 0.6s ease;
}

.terrain-card:hover img {
  transform: rotateX(5deg) rotateY(-5deg) scale(1.02);
}

.terrain-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(46,125,50,0.1);
  border-left: 3px solid var(--color-primary);
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============ 装备推荐 ============ */
.gear-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gear-item {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.gear-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.gear-item::before {
  content: attr(data-weight);
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  background: rgba(255,143,0,0.1);
  padding: 0.2rem 0.6rem;
}

.gear-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

/* ============ 安全保障 ============ */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.safety-card {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  transition: var(--transition);
}

.safety-card:hover {
  box-shadow: var(--shadow-md);
  border-top-color: var(--color-accent);
}

.safety-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(46,125,50,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
}

/* ============ 排行榜 ============ */
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.leaderboard-table th {
  background: var(--color-text);
  color: #fff;
  padding: 1rem 1.5rem;
  text-align: left;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.leaderboard-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.leaderboard-table tr:hover td {
  background: rgba(46,125,50,0.05);
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-weight: 900;
  font-size: 0.85rem;
}

.rank-1 { background: #FFD700; color: #000; }
.rank-2 { background: #C0C0C0; color: #000; }
.rank-3 { background: #CD7F32; color: #fff; }

/* ============ 面包屑 ============ */
.breadcrumb {
  padding: 1rem 0;
  margin-top: 72px;
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb-list li::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--color-border);
}

.breadcrumb-list li:last-child::after {
  content: '';
}

.breadcrumb-list a {
  color: var(--color-text-muted);
}

.breadcrumb-list a:hover {
  color: var(--color-primary);
}

/* ============ 页脚 ============ */
.site-footer {
  background: #1a1a1a;
  color: rgba(255,255,255,0.7);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

.footer-links h4 {
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 0.75rem;
}

.footer-links ul li a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
}

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

/* ============ 搜索页 ============ */
.search-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.search-box {
  display: flex;
  border: 2px solid var(--color-primary);
  background: #fff;
}

.search-box input {
  flex: 1;
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  border: none;
  outline: none;
  font-family: var(--font-body);
}

.search-box button {
  padding: 1rem 2rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.search-box button:hover {
  background: var(--color-primary-dark);
}

.search-results {
  margin-top: 2rem;
}

.search-result-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.search-result-item h3 a {
  color: var(--color-primary);
  font-size: 1.1rem;
}

.search-result-item p {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* ============ 404页面 ============ */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.error-code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  opacity: 0.2;
}

/* ============ 表单 ============ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: var(--transition);
  background: #fff;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ============ 视差效果 ============ */
.parallax-section {
  position: relative;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* ============ 勋章墙 ============ */
.medal-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
}

.medal-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}

.medal-item:hover {
  background: rgba(255,143,0,0.1);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.medal-item.unlocked {
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(255,143,0,0.3);
}

.medal-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  overflow: hidden;
}

.medal-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.medal-item.locked .medal-icon {
  filter: grayscale(1) opacity(0.4);
}

/* ============ 装备计算器 ============ */
.calculator-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 2rem;
}

.calc-result {
  background: var(--color-text);
  color: #fff;
  padding: 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-around;
  text-align: center;
}

.calc-value {
  font-size: 2rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--color-accent);
}

/* ============ 内页样式 ============ */
.page-hero {
  position: relative;
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.page-hero img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  padding: 3rem;
  color: #fff;
  width: 100%;
}

.page-hero-content h1 {
  margin-bottom: 0.5rem;
}

.page-content {
  padding: 4rem 0;
}

.page-content .content-body {
  max-width: 900px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 2;
}

.page-content .content-body h2 {
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary);
}

.page-content .content-body h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

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

.faq-item {
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
  background: #fff;
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(46,125,50,0.05);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-light);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ============ 内链网络 ============ */
.related-links {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related-links h3 {
  margin-bottom: 1.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.related-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.related-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ============ 响应式断点 ============ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .terrain-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(33, 33, 33, 0.98);
    flex-direction: column;
    padding: 1rem 0;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-countdown {
    gap: 1rem;
  }
  
  .countdown-number {
    font-size: 2rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .terrain-stats {
    grid-template-columns: 1fr 1fr;
  }
  
  .page-hero {
    height: 40vh;
    min-height: 300px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}