/* ============================================================
   Original Sports School — Global Stylesheet
   全齡運動空間 · 動靜態團體課
   ============================================================ */

:root {
  /* Brand palette */
  --color-primary: #ff5b2e;      /* energetic orange */
  --color-primary-dark: #e0440f;
  --color-accent: #00b3a4;       /* teal */
  --color-accent-dark: #008a7e;
  --color-ink: #1c2230;          /* near-black text */
  --color-ink-soft: #4a5366;
  --color-muted: #7a8294;
  --color-bg: #ffffff;
  --color-bg-soft: #f5f7fa;
  --color-bg-dark: #161b26;
  --color-line: #e6e9ef;

  /* Type scale */
  --font-base: "Segoe UI", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
  --fs-hero: clamp(2.2rem, 5vw, 3.6rem);
  --fs-h2: clamp(1.6rem, 3.2vw, 2.4rem);
  --fs-h3: clamp(1.15rem, 2vw, 1.4rem);
  --fs-body: clamp(1rem, 1.4vw, 1.075rem);

  /* Layout */
  --maxw: 1140px;
  --gutter: clamp(1.1rem, 4vw, 2.5rem);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(28, 34, 48, .08);
  --shadow-lg: 0 18px 50px rgba(28, 34, 48, .14);
  --transition: .25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
h1, h2, h3 { line-height: 1.25; font-weight: 800; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(3rem, 8vw, 6rem); }
.section--soft { background: var(--color-bg-soft); }
.section--dark { background: var(--color-bg-dark); color: #eef1f6; }
.section-head { text-align: center; max-width: 640px; margin-inline: auto; margin-bottom: clamp(2rem, 5vw, 3rem); }
.section-head .eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: .6rem;
}
.section-head h2 { font-size: var(--fs-h2); }
.section-head p { color: var(--color-ink-soft); margin-top: .8rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .7em 1.6em;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--ghost { background: transparent; color: var(--color-ink); border-color: var(--color-line); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--light { background: #fff; color: var(--color-ink); }
.btn--light:hover { background: var(--color-bg-soft); }
.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn--outline-light:hover { background: rgba(255,255,255,.12); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .85rem;
}
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.15rem; }
.brand .brand-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--color-primary); color: #fff;
  border-radius: 11px; font-size: 1.1rem;
}
.brand .brand-name small { display: block; font-size: .62rem; font-weight: 600; color: var(--color-muted); letter-spacing: .14em; }
.nav-menu { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.nav-menu a { font-weight: 600; color: var(--color-ink-soft); transition: color var(--transition); }
.nav-menu a:hover, .nav-menu a.is-active { color: var(--color-primary); }
.nav-cta { display: flex; align-items: center; gap: .8rem; }
.nav-toggle {
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; border-radius: 10px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-ink); margin: 4px auto; transition: var(--transition); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--color-line);
    padding: 1rem var(--gutter); gap: .3rem;
    box-shadow: var(--shadow);
    display: none;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a { padding: .65rem .2rem; border-bottom: 1px solid var(--color-line); }
  .nav .nav-cta .btn { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  background: linear-gradient(120deg, rgba(22,27,38,.82), rgba(224,68,15,.55)), var(--hero-img, #161b26) center/cover no-repeat;
}
.hero-inner {
  max-width: 720px;
  padding-block: clamp(4rem, 12vw, 8rem);
}
.hero .tag {
  display: inline-block; background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  padding: .35em 1em; border-radius: 999px; font-weight: 600; font-size: .85rem;
  margin-bottom: 1.1rem;
}
.hero h1 { font-size: var(--fs-hero); }
.hero p { font-size: clamp(1.05rem, 2vw, 1.25rem); margin-top: 1.1rem; max-width: 36ch; color: rgba(255,255,255,.92); }
.hero .hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 5vw, 3rem); margin-top: 2.6rem; }
.hero-stats .num { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; }
.hero-stats .lbl { font-size: .85rem; color: rgba(255,255,255,.8); }

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
  background: linear-gradient(120deg, var(--color-bg-dark), #25304a);
  color: #fff; text-align: center;
}
.page-banner .container { padding-block: clamp(2.8rem, 7vw, 4.5rem); }
.page-banner h1 { font-size: var(--fs-h2); }
.page-banner p { color: rgba(255,255,255,.82); margin-top: .7rem; }

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: clamp(1.2rem, 3vw, 1.8rem); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card .ico {
  width: 52px; height: 52px; border-radius: 13px;
  display: grid; place-items: center; font-size: 1.5rem;
  background: rgba(255,91,46,.12); color: var(--color-primary);
  margin-bottom: 1rem;
}
.card h3 { font-size: var(--fs-h3); margin-bottom: .5rem; }
.card p { color: var(--color-ink-soft); }

/* media card with image */
.media-card { background:#fff; border:1px solid var(--color-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform var(--transition), box-shadow var(--transition); }
.media-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.media-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.media-card .body { padding: clamp(1.2rem, 3vw, 1.6rem); }
.media-card .badge { display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; padding:.3em .8em; border-radius:999px; margin-bottom:.7rem; }
.badge--dynamic { background: rgba(255,91,46,.14); color: var(--color-primary); }
.badge--static { background: rgba(0,179,164,.14); color: var(--color-accent-dark); }
.media-card h3 { font-size: var(--fs-h3); margin-bottom:.5rem; }
.media-card p { color: var(--color-ink-soft); }

/* ---------- Split (image + text) ---------- */
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(1.8rem, 5vw, 3.5rem); align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.split h2 { font-size: var(--fs-h2); margin-bottom: 1rem; }
.split p { color: var(--color-ink-soft); margin-bottom: 1rem; }
.feature-list li { display: flex; gap: .7rem; align-items: flex-start; margin-bottom: .7rem; color: var(--color-ink-soft); }
.feature-list li::before { content: "✓"; color: var(--color-accent); font-weight: 800; }

/* ---------- Schedule table ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
table.schedule { width: 100%; border-collapse: collapse; background: #fff; min-width: 560px; }
table.schedule th, table.schedule td { padding: .9rem 1rem; text-align: center; border-bottom: 1px solid var(--color-line); }
table.schedule thead th { background: var(--color-bg-dark); color: #fff; font-weight: 700; }
table.schedule tbody tr:nth-child(even) { background: var(--color-bg-soft); }
table.schedule td .pill { display:inline-block; padding:.25em .7em; border-radius:999px; font-size:.8rem; font-weight:700; }
.pill--d { background: rgba(255,91,46,.14); color: var(--color-primary); }
.pill--s { background: rgba(0,179,164,.14); color: var(--color-accent-dark); }

/* ---------- Pricing ---------- */
.price-card { text-align:center; position: relative; }
.price-card.is-featured { border-color: var(--color-primary); box-shadow: var(--shadow-lg); }
.price-card .ribbon { position:absolute; top:-12px; left:50%; transform:translateX(-50%); background:var(--color-primary); color:#fff; font-size:.72rem; font-weight:700; padding:.3em 1em; border-radius:999px; }
.price-card .price { font-size: clamp(2rem,5vw,2.6rem); font-weight:800; color: var(--color-ink); margin:.4rem 0; }
.price-card .price small { font-size:.95rem; font-weight:600; color: var(--color-muted); }
.price-card .plan-feats { text-align:left; margin:1.2rem 0; }
.price-card .plan-feats li { padding:.45rem 0; border-bottom:1px solid var(--color-line); color:var(--color-ink-soft); }

/* ---------- CTA strip ---------- */
.cta-strip { background: linear-gradient(120deg, var(--color-primary), var(--color-primary-dark)); color:#fff; text-align:center; }
.cta-strip h2 { font-size: var(--fs-h2); margin-bottom:.6rem; }
.cta-strip p { color: rgba(255,255,255,.92); margin-bottom:1.6rem; }
.cta-strip .hero-actions { justify-content:center; }

/* ---------- Contact ---------- */
.contact-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(290px,1fr)); gap: clamp(1.8rem,5vw,3rem); }
.info-list li { display:flex; gap:.9rem; align-items:flex-start; margin-bottom:1.2rem; }
.info-list .ico { flex:0 0 auto; width:44px; height:44px; border-radius:11px; display:grid; place-items:center; background:rgba(0,179,164,.12); color:var(--color-accent-dark); font-size:1.2rem; }
.info-list strong { display:block; }
.info-list span { color: var(--color-ink-soft); }
form.contact-form { display:grid; gap:1rem; }
.contact-form label { font-weight:600; font-size:.9rem; }
.contact-form input, .contact-form textarea, .contact-form select {
  width:100%; padding:.8em 1em; border:1px solid var(--color-line); border-radius: var(--radius-sm);
  font: inherit; background:#fff; margin-top:.35rem;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline:2px solid var(--color-primary); border-color:transparent; }

/* ---------- FAQ ---------- */
.faq details { background:#fff; border:1px solid var(--color-line); border-radius: var(--radius-sm); padding:1rem 1.2rem; margin-bottom:.8rem; }
.faq summary { font-weight:700; cursor:pointer; list-style:none; display:flex; justify-content:space-between; gap:1rem; }
.faq summary::after { content:"+"; color:var(--color-primary); font-weight:800; }
.faq details[open] summary::after { content:"–"; }
.faq p { color: var(--color-ink-soft); margin-top:.7rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-bg-dark); color: #c3cad8; padding-block: clamp(2.5rem,6vw,4rem) 1.5rem; }
.footer-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 2rem; }
.site-footer h4 { color:#fff; font-size:1rem; margin-bottom:1rem; }
.site-footer a { color:#c3cad8; transition: color var(--transition); }
.site-footer a:hover { color: var(--color-primary); }
.site-footer .brand { color:#fff; margin-bottom:1rem; }
.site-footer li { margin-bottom:.55rem; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); margin-top:2.5rem; padding-top:1.5rem; text-align:center; font-size:.85rem; color: var(--color-muted); }

/* ---------- Utilities ---------- */
.text-center { text-align:center; }
.mt-2 { margin-top:1.2rem; }