/* ===========================================
   Hobbies Hub - 全站样式
   设计思路：双栏 (艺术/体育) + 卡片网格 + 状态徽标
   =========================================== */

:root {
  --bg: #fafaf7;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e8e6e0;
  --card: #ffffff;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --accent-art: #b8518b;       /* 艺术 玫红 */
  --accent-art-soft: #fdf1f7;
  --accent-sport: #2d7d6a;     /* 体育 墨绿 */
  --accent-sport-soft: #eff8f4;
  --gold: #d4a04a;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- 顶部 / Hero ---------- */
.hero {
  position: relative;
  min-height: 78vh;
  padding: 0 24px 60px;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, #ffe7f1 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 30%, #e6f5ee 0%, transparent 55%),
    linear-gradient(180deg, #fffdf7 0%, #fafaf7 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(184,81,139,0.05) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(45,125,106,0.06) 0, transparent 40%);
  pointer-events: none;
}

.topnav {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.brand-mark {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-art), var(--accent-sport));
  color: #fff; font-weight: 800;
}
.brand-text { font-size: 18px; }
.brand-text small { color: var(--muted); font-weight: 400; margin-left: 4px; font-size: 13px; }

.topnav-links {
  list-style: none; display: flex; gap: 6px;
  margin: 0; padding: 6px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.topnav-links a {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  font-size: 14px; color: var(--fg);
}
.topnav-links a:hover { background: #fff; }

.hero-content {
  position: relative; z-index: 2;
  max-width: 1100px; margin: 0 auto;
  padding: 80px 0 40px;
}
.kicker {
  text-transform: uppercase; letter-spacing: 3px;
  font-size: 12px; color: var(--muted); margin: 0 0 16px;
}
.hero-content h1 {
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.1; margin: 0 0 18px;
  font-weight: 800; letter-spacing: -1px;
}
.hero-content h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--accent-art), var(--accent-sport));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subtitle { font-size: 18px; color: var(--muted); margin: 0 0 32px; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 60px; }
.btn {
  display: inline-block; padding: 12px 22px;
  border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--fg); color: #fff;
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.18); }
.btn-ghost {
  background: #fff; border-color: var(--line); color: var(--fg);
}
.btn-ghost:hover { border-color: var(--fg); }

.hero-stats {
  display: flex; gap: 28px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px dashed var(--line);
}
.stat .n {
  font-size: 28px; font-weight: 700; color: var(--fg);
  font-feature-settings: "tnum";
}
.stat .l {
  font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--muted); margin-top: 2px;
}

/* ---------- 通用 Section ---------- */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}
.section-head {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; margin-bottom: 48px;
}
.section-badge {
  display: inline-block;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 600; margin-bottom: 12px;
}
.section-badge.art {
  background: var(--accent-art-soft); color: var(--accent-art);
}
.section-badge.sport {
  background: var(--accent-sport-soft); color: var(--accent-sport);
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 12px; letter-spacing: -0.5px;
}
.section-sub { margin: 0; color: var(--muted); }

.sports-section {
  background: linear-gradient(180deg, transparent, var(--accent-sport-soft) 30%, transparent);
  max-width: none;
  padding-left: 0; padding-right: 0;
}
.sports-section .section-head,
.sports-section .grid {
  max-width: 1100px;
  margin-left: auto; margin-right: auto;
  padding-left: 24px; padding-right: 24px;
}

/* ---------- 卡片网格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s;
  overflow: hidden;
  isolation: isolate;
}

.card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(0,0,0,0.02) 100%);
  pointer-events: none;
}

.card .emoji {
  font-size: 36px; margin-bottom: 12px;
  display: inline-block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.08));
}
.card h3 {
  margin: 0 0 6px; font-size: 17px; font-weight: 700; letter-spacing: -0.2px;
}
.card p {
  margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5;
  flex: 1;
}
.card .row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px; padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.card .tag {
  font-size: 11px; font-weight: 600;
  padding: 3px 8px; border-radius: 999px;
  background: #f3f1ec; color: var(--muted);
  text-transform: uppercase; letter-spacing: 1px;
}
.card .arrow { color: var(--muted); font-size: 14px; }

.card.link {
  cursor: pointer;
}
.card.link:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,0,0,0.12);
}
.card.link:hover .arrow { color: var(--fg); transform: translateX(2px); }
.card.link .arrow { transition: transform 0.18s; }

.card.coming {
  opacity: 0.78;
}
.card.coming:hover {
  opacity: 0.92;
  border-color: rgba(0,0,0,0.1);
}

/* section 调色 */
#grid-arts .card.link { border-color: rgba(184,81,139,0.25); }
#grid-arts .card.link:hover { border-color: var(--accent-art); }
#grid-sports .card.link { border-color: rgba(45,125,106,0.25); }
#grid-sports .card.link:hover { border-color: var(--accent-sport); }

.chip {
  display: inline-block;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.5px;
}
.chip.coming-soon {
  background: #f3f1ec; color: #8b8b8b;
}
.chip.live {
  background: #fff4e0; color: #b8852a;
}

/* ---------- about ---------- */
.about {
  text-align: center;
  max-width: 720px;
}
.about h2 { font-size: 24px; margin: 0 0 12px; }
.about p { color: var(--muted); }
.about code {
  background: #f3f1ec; padding: 2px 6px; border-radius: 4px;
  font-size: 12px;
}
.muted { color: var(--muted); font-size: 13px; }

/* ---------- footer ---------- */
footer {
  text-align: center;
  padding: 40px 24px 60px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .topnav-links { display: none; }
  .hero-content { padding-top: 50px; }
  .section { padding: 56px 20px; }
}