/* ========== 石榴籽共益平台 — 极简高级主题 ========== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700;900&display=swap');

:root {
  /* 品牌色 — 仅在关键时刻使用：logo、CTA、关键数字 */
  --primary: #c81d1a;
  --primary-hover: #a81815;
  --primary-rgb: 200, 29, 26;

  /* 深色区域 — hero/footer专用 */
  --deep: #0a1628;

  /* 文字层级 */
  --text-primary: #111111;
  --text-secondary: #555555;
  --text-muted: #999999;
  --text-on-dark: #ffffff;
  --text-on-dark-muted: rgba(255,255,255,0.6);

  /* 背景 */
  --bg-white: #ffffff;
  --bg-light: #f7f6f3;
  --bg-warm: #faf8f5;

  /* 边线 */
  --border: #e8e5e0;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* 阴影 — 极克制 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.04), 0 0 1px rgba(0,0,0,0.06);
}

/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--text-primary); background: var(--bg-white); line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.01em;
}

/* 衬线字体用于标题 — 文化质感 */
.serif, h1, h2, h3, .hero__title, .page-hero__title, .section-title, .phase__title, .product__name, .founder__name {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
}

/* 纹理叠加 — 增加层次 */
.grain::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ========== Utilities ========== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }
.text-red { color: var(--primary); }
.section-label {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 3px; color: var(--text-muted); margin-bottom: 16px;
}
h2.section-title {
  font-size: 40px; font-weight: 700; line-height: 1.25; margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.section-subtitle {
  font-size: 17px; color: var(--text-secondary); line-height: 1.8; max-width: 600px;
}

/* 照片覆盖层 — 深色叠加 */
.photo-overlay {
  position: relative; overflow: hidden;
}
.photo-overlay::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(10,22,40,0.75) 0%, rgba(10,22,40,0.45) 100%);
}
.photo-overlay > * { position: relative; z-index: 2; }
.photo-overlay img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  z-index: 0;
}

/* 图片容器 — 统一处理 */
.img-cover { overflow: hidden; border-radius: var(--radius-md); }
.img-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.img-cover:hover img { transform: scale(1.03); }

/* 多图画廊格 */
.photo-grid { display: grid; gap: 12px; }
.photo-grid--2 { grid-template-columns: 1fr 1fr; }
.photo-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
.photo-grid img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-sm); }

/* 标签/徽章 */
.tag {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  background: rgba(200,29,26,0.08); color: var(--primary);
  border: 1px solid rgba(200,29,26,0.15);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 36px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.25s ease; white-space: nowrap;
  letter-spacing: 0.3px;
}
.btn--primary {
  background: var(--primary); color: #fff;
}
.btn--primary:hover {
  background: var(--primary-hover); transform: translateY(-1px);
}
.btn--outline {
  background: transparent; color: var(--text-primary);
  border: 1.5px solid var(--text-primary);
}
.btn--outline:hover {
  background: var(--text-primary); color: #fff;
}
.btn--ghost {
  background: transparent; color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--text-primary);
}

/* ========== Animations ========== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }

/* ========== Navigation ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: 64px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav__inner {
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; height: 100%;
}
.nav__brand { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 800; color: var(--text-primary); }
.nav__logo {
  width: 40px; height: 40px; border-radius: 6px;
  background: transparent; display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff; font-weight: 900;
}
.nav__links { display: flex; align-items: center; gap: 2px; }
.nav__links a {
  padding: 6px 14px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: color 0.2s;
}
.nav__links a:hover, .nav__links a.active { color: var(--primary); }
.nav__cta { margin-left: 16px; }
.nav__hamburger {
  display: none; width: 44px; height: 44px; border: none; background: none;
  cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav__hamburger span { display: block; width: 20px; height: 1.5px; background: var(--text-primary); border-radius: 1px; transition: all 0.3s; }
.nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.mob-menu {
  display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
  background: var(--bg-white); z-index: 999; padding: 24px;
  flex-direction: column; gap: 2px; overflow-y: auto;
}
.mob-menu.open { display: flex; }
.mob-menu a { padding: 14px 20px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; color: var(--text-primary); transition: color 0.2s; }
.mob-menu a:hover { color: var(--primary); }

/* ========== Hero ========== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 64px 0 0; background: var(--bg-white);
}
.hero--photo {
  background: var(--deep); overflow: hidden;
}
.hero--photo .hero__title,
.hero--photo .hero__desc,
.hero--photo .hero__badge { color: #fff; }
.hero--photo .hero__badge { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.15); }
.hero--photo .hero__title em { color: #e8a090; }
.hero--photo .hero__desc { color: rgba(255,255,255,0.75); }
.hero--photo::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(10,22,40,0.82) 0%, rgba(10,22,40,0.5) 100%);
}
.hero--photo .hero__inner { position: relative; z-index: 2; }
.hero--photo .hero__bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero--photo .hero__bg img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero__inner {
  max-width: 1100px; margin: 0 auto; padding: 80px 32px 120px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.hero__text { max-width: 520px; }
.hero__badge {
  display: inline-block;
  padding: 6px 16px; border-radius: 999px;
  background: var(--bg-light); border: 1px solid var(--border);
  font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 32px;
  letter-spacing: 1px; text-transform: uppercase;
}
.hero__title {
  font-size: 54px; font-weight: 700; line-height: 1.15; color: var(--text-primary);
  margin-bottom: 28px; letter-spacing: -1px;
  padding-left: 24px; border-left: 3px solid var(--primary);
}
.hero__title em { font-style: normal; color: var(--primary); }
.hero__desc { font-size: 17px; line-height: 1.9; color: var(--text-secondary); margin-bottom: 44px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__visual { display: flex; align-items: center; justify-content: flex-end; }
.hero__img-frame {
  width: 100%; max-width: 480px; border-radius: var(--radius-md);
  overflow: hidden; position: relative;
}
.hero__img-frame img { width: 100%; height: auto; }

/* ========== Page Hero (inner pages) ========== */
.page-hero {
  padding: 140px 0 60px; position: relative;
  background: var(--bg-white);
}
.page-hero--photo {
  padding: 180px 0 80px; background: var(--deep); overflow: hidden;
}
.page-hero--photo::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to bottom, rgba(10,22,40,0.7) 0%, rgba(10,22,40,0.5) 100%);
}
.page-hero--photo .container { position: relative; z-index: 2; }
.page-hero--photo .page-hero__label { color: rgba(255,255,255,0.5); }
.page-hero--photo .page-hero__title { color: #fff; border-left-color: var(--primary); }
.page-hero--photo .page-hero__desc { color: rgba(255,255,255,0.75); }
.page-hero--photo .page-hero__bg {
  position: absolute; inset: 0; z-index: 0;
}
.page-hero--photo .page-hero__bg img {
  width: 100%; height: 100%; object-fit: cover;
}
.page-hero .container { position: relative; }
.page-hero__label {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 3px; color: var(--text-muted); margin-bottom: 20px;
}
.page-hero__title {
  font-size: 48px; font-weight: 700; color: var(--text-primary);
  margin-bottom: 20px; letter-spacing: -0.5px; line-height: 1.2;
  padding-left: 24px; border-left: 3px solid var(--primary);
  max-width: 700px;
}
.page-hero__desc { font-size: 17px; line-height: 1.9; color: var(--text-secondary); max-width: 640px; }
.page-hero__img {
  max-width: 760px; margin: 48px 0 0;
  border-radius: var(--radius-md); overflow: hidden;
}
.page-hero__img img { width: 100%; height: auto; }

/* ========== Stats ========== */
.stats {
  padding: 120px 0; background: var(--bg-white);
}
.stats__inner {
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.stats__content h2 { font-size: 32px; font-weight: 800; margin-bottom: 40px; line-height: 1.3; letter-spacing: -0.3px; }
.stats__list { display: flex; flex-direction: column; gap: 24px; }
.stats__item { display: flex; align-items: flex-start; gap: 16px; font-size: 16px; color: var(--text-secondary); line-height: 1.6; }
.stats__item-num {
  font-size: 28px; font-weight: 800; color: var(--primary); line-height: 1;
  min-width: 48px; flex-shrink: 0;
}
.stats__img-frame { border-radius: var(--radius-lg); overflow: hidden; }
.stats__img-frame img { width: 100%; height: auto; }

/* ========== Entry Cards ========== */
.entries { padding: 120px 0; background: var(--bg-light); }
.entries__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
}
.entry-card {
  background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-card); transition: all 0.4s cubic-bezier(0.25,0.46,0.45,0.94); cursor: pointer;
  display: block; border: 1px solid var(--border);
  padding: 36px; position: relative;
}
.entry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.entry-card__img {
  width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-sm);
  margin-bottom: 24px;
}
.entry-card__num {
  font-size: 48px; font-weight: 800; color: var(--border); margin-bottom: 20px;
  line-height: 1;
}
.entry-card__title { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.entry-card__desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 24px; }
.entry-card__link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--primary); }
.entry-card__link::after { content: '\2192'; transition: transform 0.2s; }
.entry-card:hover .entry-card__link::after { transform: translateX(4px); }

/* ========== Pomegranate Scroll Animation ========== */
.pomegranate-stage {
  height: 300vh; position: relative;
}
.pomegranate-sticky {
  position: sticky; top: 0; height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-direction: column; gap: 32px;
}
.pomegranate-canvas {
  position: relative; width: 480px; height: 200px;
  transform-origin: center center;
}
.pomegranate-word {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', 'Georgia', serif;
  font-size: 120px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 20px;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}
.pomegranate-seed {
  position: absolute; border-radius: 50%;
  background: var(--primary);
  will-change: transform, opacity;
  transition: none;
}
.pomegranate-text {
  text-align: center;
  opacity: 0; transition: opacity 0.6s ease;
  pointer-events: none;
  max-width: 90vw;
  padding: 0 20px;
}
.pomegranate-text.visible { opacity: 1; }
.pomegranate-text__desc {
  font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 8px;
}
.pomegranate-text__tagline {
  font-size: 14px; font-weight: 700; color: var(--text-muted);
  letter-spacing: 2px;
}
.pomegranate-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-muted); font-weight: 500;
  animation: hintBounce 2s ease infinite;
}
.pomegranate-hint.hidden { opacity: 0; transition: opacity 0.3s; }
@keyframes hintBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
@media (max-width: 768px) {
  .pomegranate-text__desc { font-size: 14px; }
}

/* ========== Phase (Brand Story) ========== */
.phase { padding: 100px 0; position: relative; }
.phase:nth-child(even) { background: var(--bg-light); }
.phase__inner { max-width: 900px; margin: 0 auto; padding: 0 32px; }
.phase__header { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.phase__number {
  font-size: 48px; font-weight: 800; color: var(--border); line-height: 1;
  flex-shrink: 0; min-width: 56px;
}
.phase__meta { flex: 1; min-width: 200px; }
.phase__period { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 6px; }
.phase__title { font-size: 28px; font-weight: 800; }
.phase__keyword {
  display: inline-block; padding: 6px 16px; border-radius: var(--radius-sm);
  background: var(--bg-light); color: var(--text-secondary); font-size: 13px; font-weight: 600;
  border: 1px solid var(--border);
}
.phase__context {
  padding: 20px 24px; border-radius: var(--radius-sm);
  background: var(--bg-light); border-left: 3px solid var(--border);
  font-size: 14px; color: var(--text-secondary); margin-bottom: 28px;
}
.phase__context strong { color: var(--text-primary); }
.phase__text { font-size: 16px; line-height: 1.9; color: var(--text-secondary); margin-bottom: 28px; }
.phase__timeline { margin-bottom: 32px; }
.phase__timeline-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 14px; }
.phase__timeline-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted);
  flex-shrink: 0; margin-top: 8px;
}
.phase__timeline-text { font-size: 15px; color: var(--text-primary); line-height: 1.6; }
.phase__timeline-text strong { color: var(--text-primary); font-weight: 700; }
.phase__img-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.phase__img { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); }
.phase__img img { width: 100%; height: 200px; object-fit: cover; }

/* ========== Founder ========== */
.founder {
  padding: 120px 0; background: #1a1a1a; color: #fff;
  position: relative; overflow: hidden;
}
.founder__inner {
  max-width: 900px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 200px 1fr; gap: 56px; align-items: center;
}
.founder__photo {
  width: 200px; height: 260px; border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.founder__photo img { width: 100%; height: 100%; object-fit: cover; }
.founder__name { font-size: 28px; font-weight: 700; margin-bottom: 6px; }
.founder__role { font-size: 14px; color: var(--text-on-dark-muted); font-weight: 500; margin-bottom: 28px; }
.founder__quote {
  font-size: 17px; line-height: 2; color: var(--text-on-dark-muted);
  font-style: italic; padding-left: 24px; border-left: 2px solid rgba(200,29,26,0.4);
}

/* ========== Product ========== */
.product { padding: 100px 0; position: relative; }
.product:nth-child(even) { background: var(--bg-light); }
.product__inner {
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.product:nth-child(even) .product__inner { direction: rtl; }
.product:nth-child(even) .product__inner > * { direction: ltr; }
.product__visual { border-radius: var(--radius-lg); overflow: hidden; position: relative; border: 1px solid var(--border); }
.product__visual img { width: 100%; height: auto; display: block; }
.product__visual-multi {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border);
}
.product__visual-multi img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product__tag {
  position: absolute; top: 16px; left: 16px; padding: 6px 14px;
  border-radius: var(--radius-sm); background: var(--primary);
  color: #fff; font-size: 12px; font-weight: 700;
}
.product__label { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px; }
.product__name { font-size: 32px; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.3px; }
.product__origin { font-size: 14px; color: var(--text-secondary); font-weight: 500; margin-bottom: 20px; }
.product__desc { font-size: 16px; color: var(--text-secondary); line-height: 1.85; margin-bottom: 28px; }
.product__specs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.product__spec {
  padding: 6px 14px; border-radius: var(--radius-sm);
  background: var(--bg-light); border: 1px solid var(--border);
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
}
.product__price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 28px; }
.product__price-sym { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.product__price-val { font-size: 40px; font-weight: 800; color: var(--text-primary); line-height: 1; }
.product__price-unit { font-size: 14px; color: var(--text-muted); margin-left: 4px; }
.product__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ========== Cup ========== */
.cup-gallery__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
}
.cup-gallery__item {
  border-radius: var(--radius-md); overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25,0.46,0.45,0.94); border: 1px solid var(--border);
  aspect-ratio: 4/3;
}
.cup-gallery__item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.cup-gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.cup-gallery__item:hover img { transform: scale(1.05); }
.cup-history__table, .stamp-rewards__table {
  max-width: 800px; margin: 32px auto 0; width: 100%; border-collapse: collapse;
  background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--border);
}
.cup-history__table th, .stamp-rewards__table th {
  padding: 14px 24px; background: var(--bg-light);
  font-size: 13px; font-weight: 700; color: var(--text-secondary); text-align: left;
  text-transform: uppercase; letter-spacing: 1px;
}
.stamp-rewards__table th { text-align: center; }
.cup-history__table td, .stamp-rewards__table td {
  padding: 14px 24px; border-top: 1px solid var(--border); font-size: 14px;
}
.stamp-rewards__table td { text-align: center; }
.cup-history__table tr:hover td, .stamp-rewards__table tr:hover td { background: var(--bg-light); }
.cup-join__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  max-width: 900px; margin: 40px auto 0; padding: 0 32px;
}
.cup-join__card {
  background: var(--bg-white); border-radius: var(--radius-md); padding: 32px;
  text-align: center; border: 1px solid var(--border);
  transition: all 0.3s;
}
.cup-join__card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.cup-join__num {
  font-size: 36px; font-weight: 800; color: var(--border); margin-bottom: 16px; line-height: 1;
}
.cup-join__title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.cup-join__desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ========== Stamp Steps ========== */
.stamp-steps__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  max-width: 900px; margin: 0 auto; padding: 0 32px;
}
.stamp-step {
  text-align: center; padding: 40px 24px;
  background: var(--bg-white); border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.stamp-step__num {
  font-size: 36px; font-weight: 800; color: var(--border); margin-bottom: 20px; line-height: 1;
}
.stamp-step__title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.stamp-step__desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ========== 56 Nations Grid ========== */
.nations__filters {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  max-width: 1100px; margin: 0 auto 32px; padding: 0 32px;
}
.nations__filter {
  padding: 8px 20px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg-white); font-size: 13px; font-weight: 600;
  color: var(--text-secondary); cursor: pointer; transition: all 0.2s;
}
.nations__filter:hover { border-color: var(--text-primary); color: var(--text-primary); }
.nations__filter.active { background: var(--text-primary); color: #fff; border-color: var(--text-primary); }
.nations__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px;
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
}
.nation-card {
  background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--border); cursor: pointer;
  transition: all 0.3s;
}
.nation-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.nation-card.hidden { display: none; }
.nation-card__thumb {
  width: 100%; aspect-ratio: 3/4; overflow: hidden; background: var(--bg-light);
}
.nation-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.nation-card:hover .nation-card__thumb img { transform: scale(1.05); }
.nation-card__name {
  padding: 10px 12px; font-size: 13px; font-weight: 600; color: var(--text-primary);
  text-align: center; border-top: 1px solid var(--border);
}

/* ========== Nation Modal ========== */
.nation-modal {
  position: fixed; inset: 0; z-index: 2000; display: none;
  align-items: center; justify-content: center;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  padding: 24px;
}
.nation-modal.open { display: flex; }
.nation-modal__inner {
  position: relative; max-width: 900px; width: 100%;
  background: var(--bg-white); border-radius: var(--radius-lg);
  overflow: hidden; max-height: 90vh; display: flex; flex-direction: column;
}
.nation-modal__close {
  position: absolute; top: 16px; right: 16px; z-index: 10;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(0,0,0,0.5); color: #fff; border: none;
  cursor: pointer; font-size: 18px; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.nation-modal__close:hover { background: rgba(0,0,0,0.8); }
.nation-modal__images {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.nation-modal__images img { width: 100%; height: auto; display: block; }
.nation-modal__footer {
  padding: 16px 24px; text-align: center;
  border-top: 1px solid var(--border);
}
.nation-modal__title { font-size: 20px; font-weight: 800; }
.nation-modal__nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; border-top: 1px solid var(--border);
}
.nation-modal__nav-btn {
  padding: 8px 20px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-white);
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s;
  color: var(--text-secondary);
}
.nation-modal__nav-btn:hover { border-color: var(--text-primary); color: var(--text-primary); }
@media (max-width: 640px) {
  .nation-modal__images { grid-template-columns: 1fr; }
  .nation-modal__inner { max-height: 85vh; overflow-y: auto; }
}

/* ========== Eco Channels ========== */
.eco-channels__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
  max-width: 900px; margin: 40px auto 0; padding: 0 32px;
}
.eco-channel {
  background: var(--bg-white); border-radius: var(--radius-md); padding: 32px;
  border: 1px solid var(--border); transition: all 0.3s;
}
.eco-channel:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.eco-channel__num {
  font-size: 32px; font-weight: 800; color: var(--border); margin-bottom: 16px; line-height: 1;
}
.eco-channel__title { font-size: 18px; font-weight: 700; margin-bottom: 14px; }
.eco-channel__list li {
  font-size: 14px; color: var(--text-secondary); line-height: 1.8;
  padding-left: 16px; position: relative; margin-bottom: 4px;
}
.eco-channel__list li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted);
}
.eco-channel--full { grid-column: 1 / -1; }

/* ========== Contact Form ========== */
.eco-contact__card {
  max-width: 760px; margin: 0 auto; padding: 48px;
  background: var(--bg-white); border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.eco-contact__info { display: flex; gap: 32px; margin-bottom: 36px; flex-wrap: wrap; }
.eco-contact__info-item { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; }
.eco-contact__info-icon { font-size: 20px; color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; font-family: inherit; background: var(--bg-white);
  outline: none; transition: border-color 0.2s; color: var(--text-primary);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--text-primary);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* ========== Footer ========== */
.footer { padding: 80px 0 32px; background: #1a1a1a; color: var(--text-on-dark-muted); }
.footer__inner {
  max-width: 1100px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
.footer__brand-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 16px;
}
.footer__brand-icon {
  width: 40px; height: 40px; border-radius: 6px;
  background: transparent; display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff; font-weight: 900;
}
.footer__brand-desc { font-size: 14px; line-height: 1.7; }
.footer__qr {
  margin-top: 20px; width: 100px; height: 100px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); border: 1px dashed rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: rgba(255,255,255,0.3); text-align: center; padding: 8px;
}
.footer__col-title { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1.5px; }
.footer__links li { margin-bottom: 10px; }
.footer__links a { font-size: 14px; transition: color 0.2s; }
.footer__links a:hover { color: #fff; }
.footer__bottom {
  max-width: 1100px; margin: 0 auto; padding: 24px 32px 0;
  margin-top: 48px; border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; flex-wrap: wrap; gap: 12px;
}
.footer__bottom a { color: inherit; text-decoration: none; transition: color 0.2s; }
.footer__bottom a:hover { color: #fff; }

/* ========== Back Top ========== */
.back-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--text-primary); color: #fff;
  border: none; cursor: pointer; font-size: 18px;
  opacity: 0; visibility: hidden;
  transition: all 0.3s; display: flex; align-items: center; justify-content: center;
}
.back-top.visible { opacity: 1; visibility: visible; }
.back-top:hover { transform: translateY(-2px); background: var(--primary); }

/* ========== Breadcrumb ========== */
.breadcrumb {
  padding: 72px 0 0; background: var(--bg-white);
}
.breadcrumb__inner {
  max-width: 1100px; margin: 0 auto; padding: 16px 32px;
  display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted);
}
.breadcrumb__inner a { color: var(--text-secondary); transition: color 0.2s; }
.breadcrumb__inner a:hover { color: var(--primary); }
.breadcrumb__inner span { color: var(--text-primary); font-weight: 600; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .hero__title { font-size: 40px; }
  .stats__inner { grid-template-columns: 1fr; gap: 40px; }
  .product__inner { grid-template-columns: 1fr; }
  .product:nth-child(even) .product__inner { direction: ltr; }
  .founder__inner { grid-template-columns: 1fr; text-align: center; }
  .founder__photo { margin: 0 auto; }
  .founder__quote { border-left: none; padding-left: 0; border-top: 2px solid rgba(255,255,255,0.1); padding-top: 20px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .hero { min-height: auto; }
  .hero--photo { min-height: 80vh; }
  .hero__title, .page-hero__title { font-size: 32px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  h2.section-title { font-size: 28px; }
  .entries__grid, .stamp-steps__grid, .cup-join__grid { grid-template-columns: 1fr; }
  .cup-gallery__grid { grid-template-columns: 1fr 1fr; }
  .eco-channels__grid { grid-template-columns: 1fr; }
  .nations__grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .phase__header { flex-direction: column; align-items: flex-start; }
  .product__actions { flex-direction: column; }
  .product__actions .btn { width: 100%; }
  .product__visual-multi { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .photo-grid--2, .photo-grid--3 { grid-template-columns: 1fr; }
  .page-hero--photo { padding: 140px 0 60px; }
}
@media (max-width: 480px) {
  .hero__title, .page-hero__title { font-size: 28px; }
  .phase__title { font-size: 22px; }
  .product__name { font-size: 24px; }
  .nations__grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
  .container { padding: 0 20px; }
}
section[id] { scroll-margin-top: 72px; }