/* ============================================================
   拾光咖啡馆 · SHIGUANG COFFEE
   设计变量
============================================================ */
:root {
  --bg: #faf6f0;
  --bg-alt: #f1e9df;
  --card: #ffffff;
  --text: #2b211a;
  --text-soft: #6f6155;
  --accent: #a05a2c;
  --accent-strong: #7c421c;
  --accent-soft: #e8d5c4;
  --border: #e5d9cb;
  --shadow: 0 10px 30px rgba(43, 33, 26, 0.08);
  --radius: 16px;
  --nav-h: 68px;
}

html.dark {
  --bg: #17120e;
  --bg-alt: #1f1813;
  --card: #241c15;
  --text: #f0e7dc;
  --text-soft: #b3a494;
  --accent: #d99a5b;
  --accent-strong: #e8b57e;
  --accent-soft: #3a2c1e;
  --border: #382c20;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  transition: background 0.4s ease, color 0.4s ease;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: #fff; }

/* ============================================================
   导航
============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s;
}
.navbar.scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; }
.logo-icon { font-size: 22px; }
.nav-links { display: flex; gap: 28px; font-size: 15px; }
.nav-links a { color: var(--text-soft); transition: color 0.2s; position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 2px; background: var(--accent); transition: width 0.25s;
  border-radius: 2px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle, .hamburger {
  background: none; border: none; cursor: pointer;
  font-size: 18px; line-height: 1; padding: 6px; border-radius: 8px;
  color: var(--text);
}
.theme-toggle:hover, .hamburger:hover { background: var(--accent-soft); }

.hamburger { display: none; flex-direction: column; gap: 4px; }
.hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   首屏
============================================================ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 70% 55% at 75% 20%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 15% 85%, color-mix(in srgb, var(--accent) 18%, transparent) 0%, transparent 65%),
    var(--bg);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0; opacity: 0.5;
  background-image: radial-gradient(color-mix(in srgb, var(--text) 12%, transparent) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black, transparent 75%);
}
.hero-content { padding-top: var(--nav-h); }
.hero-eyebrow {
  font-size: 13px; letter-spacing: 3px; color: var(--accent);
  text-transform: uppercase; margin-bottom: 18px; font-weight: 600;
}
.hero-title {
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.2; font-weight: 800; letter-spacing: 1px;
}
.hero-title .highlight {
  background: linear-gradient(120deg, var(--accent), #c98a4b);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-sub {
  margin-top: 22px; font-size: 17px; color: var(--text-soft); max-width: 460px;
}
.hero-cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 13px 28px; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer; border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 40%, transparent);
}
.btn-primary:hover { background: var(--accent-strong); transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.hero-meta {
  margin-top: 56px; display: flex; gap: 40px; flex-wrap: wrap;
}
.meta-item { display: flex; flex-direction: column; }
.meta-item strong { font-size: 22px; font-weight: 800; color: var(--accent); }
.meta-item span { font-size: 13px; color: var(--text-soft); }

.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: var(--text-soft); font-size: 20px;
  animation: bob 1.8s ease-in-out infinite;
}
@keyframes bob { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ============================================================
   通用 section
============================================================ */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.section-eyebrow {
  font-size: 12px; letter-spacing: 3px; color: var(--accent);
  text-transform: uppercase; font-weight: 700; margin-bottom: 10px;
}
.section-title { font-size: clamp(26px, 4vw, 36px); font-weight: 800; line-height: 1.3; }
.section-desc { color: var(--text-soft); margin-top: 12px; }
.center { text-align: center; }
.center + .section-title { margin-top: 0; }

/* 关于 */
.about-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center;
}
.about-text p { color: var(--text-soft); margin-top: 16px; }
.about-list { list-style: none; margin-top: 22px; display: grid; gap: 10px; }
.about-list li { font-size: 15px; }

.about-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.stat-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; box-shadow: var(--shadow);
  transition: transform 0.25s;
}
.stat-card:hover { transform: translateY(-4px); }
.stat-num { display: block; font-size: 30px; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 13px; color: var(--text-soft); }

/* ============================================================
   菜单
============================================================ */
.menu-tabs {
  display: flex; justify-content: center; gap: 10px; margin: 40px 0 34px;
}
.tab {
  padding: 9px 26px; border-radius: 999px; border: 1.5px solid var(--border);
  background: transparent; color: var(--text-soft); font-size: 14.5px;
  cursor: pointer; transition: all 0.25s; font-family: inherit;
}
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.active {
  background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600;
}

.menu-panel { display: none; animation: fadeIn 0.35s ease; }
.menu-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.menu-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.menu-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px; position: relative;
  transition: transform 0.25s, box-shadow 0.25s;
}
.menu-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.menu-head { display: flex; align-items: baseline; gap: 8px; }
.menu-head h3 { font-size: 17px; font-weight: 700; }
.dots {
  flex: 1; border-bottom: 2px dotted var(--border);
  transform: translateY(-4px);
}
.price { color: var(--accent); font-weight: 800; font-size: 16px; white-space: nowrap; }
.menu-item p { font-size: 14px; color: var(--text-soft); margin-top: 8px; }
.tag {
  display: inline-block; margin-top: 12px; font-size: 12px;
  padding: 3px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-strong);
}
.tag.hot { background: #f6d9c9; color: #a33d16; }
html.dark .tag.hot { background: #4a2418; color: #f0b394; }

/* ============================================================
   画廊
============================================================ */
.gallery-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 180px;
  gap: 16px;
}
.gallery-item { border-radius: var(--radius); overflow: hidden; }
.g1 { grid-column: span 2; }
.g4 { grid-row: span 2; }
.ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.92); font-size: 15px; letter-spacing: 2px;
  transition: transform 0.5s ease, filter 0.4s;
}
.gallery-item:hover .ph { transform: scale(1.06); filter: brightness(1.1); }
.ph-a { background: linear-gradient(135deg, #b07a4e, #8a5626); }
.ph-b { background: linear-gradient(135deg, #6e8a6a, #46603f); }
.ph-c { background: linear-gradient(135deg, #c2955c, #96702f); }
.ph-d { background: linear-gradient(135deg, #7d6b8f, #55476b); }
.ph-e { background: linear-gradient(135deg, #5f7d8c, #37505e); }
.ph-f { background: linear-gradient(135deg, #c07850, #8c4a2a); }

/* ============================================================
   到店
============================================================ */
.contact-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px;
}
.contact-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 26px; box-shadow: var(--shadow);
  transition: transform 0.25s;
}
.contact-card:hover { transform: translateY(-4px); }
.contact-card h3 { font-size: 17px; margin-bottom: 10px; }
.contact-card p { color: var(--text-soft); font-size: 14.5px; }

.contact-form {
  margin-top: 46px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow);
}
.contact-form label { font-size: 14.5px; font-weight: 600; }
.form-row { display: flex; gap: 12px; margin-top: 14px; }
.form-row input {
  flex: 1; padding: 13px 18px; border-radius: 999px;
  border: 1.5px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 15px; outline: none; font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-row input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.form-msg { margin-top: 12px; font-size: 14px; color: #3d8a4e; min-height: 20px; }
html.dark .form-msg { color: #7fd08f; }

/* ============================================================
   页脚 / 回顶部
============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0; text-align: center;
}
.footer p { font-size: 13.5px; color: var(--text-soft); }
.footer-cat { margin-top: 6px; font-size: 12.5px !important; opacity: 0.75; }

.back-to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  border: none; background: var(--accent); color: #fff;
  font-size: 18px; cursor: pointer; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
}
.back-to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.back-to-top:hover { background: var(--accent-strong); }

/* ============================================================
   滚动进场动画
============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ============================================================
   响应式
============================================================ */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .menu-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }

  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); right: 0; width: min(72vw, 300px);
    height: calc(100vh - var(--nav-h));
    flex-direction: column; gap: 8px;
    background: var(--bg); border-left: 1px solid var(--border);
    padding: 24px; transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.08);
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 10px 4px; font-size: 16px; }
}

@media (max-width: 520px) {
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 160px; }
  .g1 { grid-column: span 1; }
  .g4 { grid-row: span 1; }
  .hero-meta { gap: 24px; }
  .form-row { flex-direction: column; }
  .form-row .btn { width: 100%; }
}