/* ============================================
   糖心Vlog - 甜美拍立得照片墙风格
   CSS/ID前缀: sh-
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Pacifico&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* ============================================
   CSS Variables
   ============================================ */
:root {
  --sh-primary: #FFC0CB;
  --sh-secondary: #FFFFFF;
  --sh-accent: #FFD700;
  --sh-text: #696969;
  --sh-link: #FF69B4;
  --sh-bg-soft: #FFF5F7;
  --sh-bg-warm: #FFF0F3;
  --sh-shadow: rgba(255, 192, 203, 0.3);
  --sh-radius: 12px;
  --sh-transition: all 0.3s ease;
}

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

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

body {
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--sh-text);
  background-color: var(--sh-bg-soft);
  line-height: 1.8;
  overflow-x: hidden;
}

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

a:hover {
  color: #FF1493;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Pacifico', cursive;
  color: #333;
  line-height: 1.4;
}

/* ============================================
   干扰标签隐藏
   ============================================ */
.sweet-jammer-block {
  display: none;
}

/* ============================================
   Heart Bubble Animation (页面加载心形气泡)
   ============================================ */
.sh-heart-bubble-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.sh-heart-bubble {
  position: absolute;
  bottom: -50px;
  font-size: 20px;
  animation: sh-float-up 6s ease-in-out forwards;
  opacity: 0;
}

@keyframes sh-float-up {
  0% {
    transform: translateY(0) rotate(0deg) scale(0.5);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  50% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-110vh) rotate(360deg) scale(1.2);
    opacity: 0;
  }
}

/* ============================================
   Header / Navigation
   ============================================ */
#sh-header {
  background: var(--sh-secondary);
  padding: 0;
  box-shadow: 0 2px 15px var(--sh-shadow);
  position: relative;
  z-index: 1000;
}

.sh-nav-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
}

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

.sh-logo img {
  width: 48px;
  height: 48px;
}

.sh-logo-text {
  font-family: 'Pacifico', cursive;
  font-size: 1.6rem;
  color: var(--sh-link);
}

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

.sh-nav-menu li a {
  display: inline-block;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--sh-primary);
  border-radius: 20px;
  transition: var(--sh-transition);
  position: relative;
}

.sh-nav-menu li a::after {
  content: '\2665';
  position: absolute;
  top: -8px;
  right: -4px;
  font-size: 10px;
  color: var(--sh-link);
  opacity: 0;
  transform: scale(0);
  transition: var(--sh-transition);
}

.sh-nav-menu li a:hover {
  color: var(--sh-link);
  background: var(--sh-bg-warm);
}

.sh-nav-menu li a:hover::after {
  opacity: 1;
  transform: scale(1);
}

/* Hamburger Menu */
.sh-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.sh-hamburger span {
  width: 26px;
  height: 3px;
  background: var(--sh-link);
  border-radius: 3px;
  transition: var(--sh-transition);
}

/* Mobile Side Menu */
.sh-mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 2000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sh-mobile-overlay.sh-active {
  opacity: 1;
}

.sh-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: linear-gradient(180deg, #FFF0F5, #FFC0CB);
  z-index: 2001;
  padding: 60px 30px 30px;
  transition: right 0.35s ease;
  overflow-y: auto;
}

.sh-mobile-menu.sh-active {
  right: 0;
}

.sh-mobile-menu-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 28px;
  color: #fff;
  cursor: pointer;
}

.sh-mobile-menu ul {
  list-style: none;
}

.sh-mobile-menu ul li {
  margin-bottom: 12px;
}

.sh-mobile-menu ul li a {
  display: block;
  padding: 12px 16px;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 500;
  border-radius: 10px;
  transition: var(--sh-transition);
}

.sh-mobile-menu ul li a:hover {
  background: rgba(255,255,255,0.25);
}

/* ============================================
   Common Section Styles
   ============================================ */
.sh-section {
  padding: 60px 24px;
  max-width: 1440px;
  margin: 0 auto;
}

.sh-section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--sh-link);
}

.sh-section-subtitle {
  text-align: center;
  font-size: 1rem;
  color: #999;
  margin-bottom: 40px;
}

/* ============================================
   Module 1: 今日推荐 (Today's Picks)
   ============================================ */
.sh-today-picks {
  background: url('../images/sh-corkboard-bg.webp') center/cover no-repeat;
  background-color: #D2B48C;
  border-radius: var(--sh-radius);
  padding: 60px 24px;
}

.sh-polaroid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.sh-polaroid-card {
  background: #fff;
  padding: 12px 12px 40px;
  box-shadow: 3px 4px 12px rgba(0,0,0,0.15);
  transform: rotate(var(--sh-rotate, -2deg));
  transition: var(--sh-transition);
  cursor: pointer;
}

.sh-polaroid-card:nth-child(2n) {
  --sh-rotate: 3deg;
}

.sh-polaroid-card:nth-child(3n) {
  --sh-rotate: -1deg;
}

.sh-polaroid-card:nth-child(4n) {
  --sh-rotate: 2deg;
}

.sh-polaroid-card:hover {
  transform: rotate(0deg) scale(1.05);
  box-shadow: 5px 8px 20px rgba(0,0,0,0.2);
  z-index: 10;
}

.sh-polaroid-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.sh-polaroid-card .sh-card-title {
  font-family: 'Pacifico', cursive;
  font-size: 0.9rem;
  color: var(--sh-text);
  text-align: center;
  margin-top: 12px;
}

/* ============================================
   Module 2: 主播入驻 (Vlogger Sign-up)
   ============================================ */
.sh-vlogger-signup {
  background: linear-gradient(135deg, var(--sh-bg-warm), #FFE4E1);
  border-radius: var(--sh-radius);
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}

.sh-vlogger-signup .sh-signup-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.sh-vlogger-signup .sh-signup-content {
  position: relative;
  z-index: 1;
}

.sh-btn-primary {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, var(--sh-link), #FF85A2);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 500;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--sh-transition);
  box-shadow: 0 4px 15px rgba(255,105,180,0.4);
}

.sh-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255,105,180,0.5);
  color: #fff;
}

/* ============================================
   Module 3: 粉丝打赏 (Fan Rewards)
   ============================================ */
.sh-fan-rewards {
  background: var(--sh-secondary);
  border-radius: var(--sh-radius);
  padding: 60px 24px;
}

.sh-rewards-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.sh-ranking-list {
  background: var(--sh-bg-soft);
  border-radius: var(--sh-radius);
  padding: 24px;
}

.sh-ranking-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--sh-primary);
}

.sh-ranking-item:last-child {
  border-bottom: none;
}

.sh-ranking-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--sh-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.sh-ranking-item:nth-child(1) .sh-ranking-num {
  background: var(--sh-accent);
}

.sh-ranking-item:nth-child(2) .sh-ranking-num {
  background: #C0C0C0;
}

.sh-ranking-item:nth-child(3) .sh-ranking-num {
  background: #CD7F32;
}

.sh-ranking-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.sh-ranking-info {
  flex: 1;
}

.sh-ranking-name {
  font-weight: 500;
  font-size: 0.95rem;
}

.sh-ranking-amount {
  font-size: 0.8rem;
  color: var(--sh-link);
}

.sh-thank-wall {
  background: var(--sh-bg-warm);
  border-radius: var(--sh-radius);
  padding: 24px;
  overflow: hidden;
  max-height: 400px;
}

.sh-thank-wall-inner {
  animation: sh-scroll-up 20s linear infinite;
}

@keyframes sh-scroll-up {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

.sh-thank-msg {
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255,192,203,0.5);
  font-size: 0.9rem;
}

.sh-thank-msg .sh-fan-name {
  color: var(--sh-link);
  font-weight: 500;
}

/* ============================================
   Module 4: 视频试播 (Video Preview)
   ============================================ */
.sh-video-preview {
  background: linear-gradient(180deg, var(--sh-bg-soft), var(--sh-bg-warm));
  border-radius: var(--sh-radius);
  padding: 60px 24px;
  text-align: center;
}

.sh-preview-player {
  max-width: 800px;
  margin: 0 auto;
  background: #000;
  border-radius: var(--sh-radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/9;
}

.sh-preview-player img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sh-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70px;
  height: 70px;
  background: rgba(255,105,180,0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--sh-transition);
}

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

.sh-play-btn:hover {
  background: rgba(255,105,180,1);
  transform: translate(-50%, -50%) scale(1.1);
}

/* ============================================
   Module 5: 热门话题 (Trending Topics)
   ============================================ */
.sh-trending-topics {
  background: var(--sh-secondary);
  border-radius: var(--sh-radius);
  padding: 60px 24px;
}

.sh-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

.sh-tag {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 20px;
  background: var(--sh-bg-warm);
  color: var(--sh-link);
  font-size: 0.9rem;
  transition: var(--sh-transition);
  cursor: pointer;
}

.sh-tag:hover {
  background: var(--sh-link);
  color: #fff;
  transform: translateY(-3px);
}

.sh-tag.sh-tag-hot {
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--sh-link);
  color: #fff;
}

.sh-tag.sh-tag-warm {
  font-size: 1.1rem;
  font-weight: 500;
  background: #FFB6C1;
  color: #fff;
}

/* ============================================
   Module 6: 直播预告 (Live Streaming Schedule)
   ============================================ */
.sh-live-schedule {
  background: linear-gradient(135deg, #FFF0F5, #FFE4E1);
  border-radius: var(--sh-radius);
  padding: 60px 24px;
}

.sh-schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.sh-schedule-card {
  background: #fff;
  border-radius: var(--sh-radius);
  overflow: hidden;
  box-shadow: 0 4px 15px var(--sh-shadow);
  transition: var(--sh-transition);
}

.sh-schedule-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--sh-shadow);
}

.sh-schedule-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.sh-schedule-info {
  padding: 16px;
}

.sh-schedule-time {
  font-size: 0.8rem;
  color: var(--sh-link);
  font-weight: 500;
}

.sh-schedule-name {
  font-size: 1.05rem;
  font-weight: 500;
  margin: 6px 0;
}

.sh-schedule-desc {
  font-size: 0.85rem;
  color: #999;
}

.sh-live-badge {
  display: inline-block;
  padding: 3px 10px;
  background: #FF4444;
  color: #fff;
  font-size: 0.75rem;
  border-radius: 10px;
  margin-bottom: 6px;
}

/* ============================================
   Module 7: 会员中心 (Membership Club)
   ============================================ */
.sh-membership {
  background: var(--sh-secondary);
  border-radius: var(--sh-radius);
  padding: 60px 24px;
}

.sh-membership-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.sh-member-card {
  background: linear-gradient(135deg, #FFF5F7, #FFE4E1);
  border-radius: var(--sh-radius);
  padding: 36px 28px;
  text-align: center;
  border: 2px solid transparent;
  transition: var(--sh-transition);
}

.sh-member-card:hover {
  border-color: var(--sh-link);
  transform: translateY(-5px);
}

.sh-member-card.sh-vip {
  background: linear-gradient(135deg, var(--sh-accent), #FFEC8B);
  border-color: var(--sh-accent);
}

.sh-member-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.sh-member-title {
  font-family: 'Pacifico', cursive;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.sh-member-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--sh-link);
  margin-bottom: 16px;
}

.sh-member-features {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.sh-member-features li {
  padding: 6px 0;
  font-size: 0.9rem;
}

.sh-member-features li::before {
  content: '\2665 ';
  color: var(--sh-link);
}

/* ============================================
   Module 8: 品牌合作 (Brand Collaboration)
   ============================================ */
.sh-brand-collab {
  background: var(--sh-bg-warm);
  border-radius: var(--sh-radius);
  padding: 60px 24px;
}

.sh-brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.sh-brand-item {
  background: #fff;
  border-radius: var(--sh-radius);
  padding: 24px;
  text-align: center;
  box-shadow: 0 2px 10px var(--sh-shadow);
  transition: var(--sh-transition);
}

.sh-brand-item:hover {
  transform: translateY(-5px);
}

.sh-brand-item img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 12px;
}

/* ============================================
   Module 9: APP下载 (APP Download)
   ============================================ */
.sh-app-download {
  background: linear-gradient(135deg, #FFC0CB, #FFB6C1);
  border-radius: var(--sh-radius);
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.sh-app-mockup {
  max-width: 300px;
  margin: 0 auto 30px;
  position: relative;
}

.sh-app-mockup img {
  width: 100%;
  border-radius: 30px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.sh-download-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.sh-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: #333;
  color: #fff;
  border-radius: 12px;
  font-size: 0.95rem;
  transition: var(--sh-transition);
}

.sh-download-btn:hover {
  background: #555;
  color: #fff;
  transform: translateY(-3px);
}

/* ============================================
   Module 10: 关于我们 (About Us)
   ============================================ */
.sh-about-us {
  background: var(--sh-secondary);
  border-radius: var(--sh-radius);
  padding: 60px 24px;
}

.sh-about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.sh-about-content p {
  font-size: 1.05rem;
  line-height: 2;
  margin-bottom: 20px;
}

.sh-about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.sh-stat-item {
  text-align: center;
}

.sh-stat-num {
  font-family: 'Pacifico', cursive;
  font-size: 2.5rem;
  color: var(--sh-link);
}

.sh-stat-label {
  font-size: 0.9rem;
  color: #999;
  margin-top: 6px;
}

/* ============================================
   Footer
   ============================================ */
#sh-footer {
  background: #333;
  color: #ccc;
  padding: 50px 24px 20px;
}

.sh-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.sh-footer-col h4 {
  font-family: 'Noto Sans SC', sans-serif;
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.sh-footer-col ul {
  list-style: none;
}

.sh-footer-col ul li {
  margin-bottom: 8px;
}

.sh-footer-col ul li a {
  color: #aaa;
  font-size: 0.9rem;
}

.sh-footer-col ul li a:hover {
  color: var(--sh-link);
}

.sh-social-icons {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.sh-social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #444;
  color: #ccc;
  font-size: 0.85rem;
  transition: var(--sh-transition);
}

.sh-social-icons a:hover {
  background: var(--sh-link);
  color: #fff;
}

.sh-footer-bottom {
  max-width: 1200px;
  margin: 30px auto 0;
  padding-top: 20px;
  border-top: 1px solid #444;
  text-align: center;
  font-size: 0.8rem;
  color: #888;
}

.sh-footer-bottom p {
  margin-bottom: 6px;
}

/* ============================================
   Inner Page: Category / Column Page
   ============================================ */
.sh-page-hero {
  background: linear-gradient(135deg, var(--sh-bg-warm), var(--sh-primary));
  padding: 60px 24px;
  text-align: center;
}

.sh-page-hero h1 {
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 12px;
}

.sh-page-hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
}

.sh-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.sh-video-card {
  background: #fff;
  border-radius: var(--sh-radius);
  overflow: hidden;
  box-shadow: 0 3px 12px var(--sh-shadow);
  transition: var(--sh-transition);
}

.sh-video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--sh-shadow);
}

.sh-video-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.sh-video-card-body {
  padding: 16px;
}

.sh-video-card-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sh-video-card-meta {
  font-size: 0.8rem;
  color: #999;
  display: flex;
  justify-content: space-between;
}

/* ============================================
   APP Download Page
   ============================================ */
.sh-app-page {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.sh-app-page-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #FFB6C1, #FFC0CB, #FFF0F5);
  z-index: 0;
}

.sh-sakura {
  position: absolute;
  font-size: 18px;
  animation: sh-sakura-fall 8s linear infinite;
  opacity: 0;
}

@keyframes sh-sakura-fall {
  0% {
    transform: translateY(-20px) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

.sh-app-page-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 24px;
}

.sh-app-phone {
  max-width: 320px;
  margin: 0 auto 40px;
  background: #fff;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.sh-app-phone img {
  width: 100%;
  border-radius: 24px;
}

.sh-app-page-title {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 12px;
}

.sh-app-page-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 36px;
}

.sh-qr-section {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.sh-qr-item {
  text-align: center;
}

.sh-qr-item img {
  width: 140px;
  height: 140px;
  border-radius: 12px;
  margin-bottom: 10px;
}

.sh-qr-item p {
  color: #fff;
  font-size: 0.9rem;
}

/* ============================================
   Breadcrumb
   ============================================ */
.sh-breadcrumb {
  padding: 12px 24px;
  font-size: 0.85rem;
  color: #999;
  max-width: 1440px;
  margin: 0 auto;
}

.sh-breadcrumb a {
  color: var(--sh-link);
}

/* ============================================
   Responsive: Mobile First
   ============================================ */

/* <= 360px (small phones) */
@media (max-width: 360px) {
  .sh-polaroid-grid {
    grid-template-columns: 1fr;
  }
  .sh-section-title {
    font-size: 1.5rem;
  }
  .sh-about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* <= 768px (tablets) */
@media (max-width: 768px) {
  .sh-nav-menu {
    display: none;
  }
  .sh-hamburger {
    display: flex;
  }
  .sh-rewards-layout {
    grid-template-columns: 1fr;
  }
  .sh-footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .sh-about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .sh-stat-num {
    font-size: 1.8rem;
  }
  .sh-page-hero h1 {
    font-size: 1.6rem;
  }
  .sh-section {
    padding: 40px 16px;
  }
}

/* >= 1024px (desktop) */
@media (min-width: 1024px) {
  .sh-polaroid-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* >= 1440px (large desktop) */
@media (min-width: 1440px) {
  .sh-section {
    padding: 80px 40px;
  }
}