/* 共用樣式：site/index.html、site/bizbonbon/index.html、
   site/bizbonbon/privacy/index.html 三個靜態頁面共用同一份，避免各自內嵌
   一份 <style> 造成三份互相漂移。純手寫 CSS，沒有 build step、沒有預處理器，
   比照這個 repo 一貫「不引入非必要依賴」的習慣（見 app/static/manual.html）。 */

@font-face {
  font-family: "system-cjk";
  src: local("PingFang TC"), local("Noto Sans TC"), local("Microsoft JhengHei");
}

:root {
  --bg: #fbf6ec;
  --bg-elevated: #fffdf8;
  --ink: #1e1a14;
  --ink-soft: #4a4636;
  --muted: #6c7086;
  --navy: #141e37;
  --navy-2: #0d1526;
  --gold: #ffc800;
  --gold-ink: #3a2900;
  --green: #0eb872;
  --border: rgba(20, 30, 55, 0.12);
  --card-cream: #f3ead9;
  --shadow: 0 20px 50px -25px rgba(20, 30, 55, 0.35);
  --eyebrow-on-cream: var(--navy);
  --eyebrow-on-cream-opacity: 0.65;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1220;
    --bg-elevated: #141e37;
    --ink: #f3eedd;
    --ink-soft: #cfc9b4;
    --muted: #a3a8c2;
    --navy: #0a0f1c;
    --navy-2: #060a13;
    --gold: #ffd24d;
    --gold-ink: #241800;
    --green: #34e39b;
    --border: rgba(255, 255, 255, 0.12);
    --card-cream: #1a2440;
    --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
    --eyebrow-on-cream: var(--gold);
    --eyebrow-on-cream-opacity: 1;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1220;
  --bg-elevated: #141e37;
  --ink: #f3eedd;
  --ink-soft: #cfc9b4;
  --muted: #a3a8c2;
  --navy: #0a0f1c;
  --navy-2: #060a13;
  --gold: #ffd24d;
  --gold-ink: #241800;
  --green: #34e39b;
  --border: rgba(255, 255, 255, 0.12);
  --card-cream: #1a2440;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --eyebrow-on-cream: var(--gold);
  --eyebrow-on-cream-opacity: 1;
}
:root[data-theme="light"] {
  --bg: #fbf6ec;
  --bg-elevated: #fffdf8;
  --ink: #1e1a14;
  --ink-soft: #4a4636;
  --muted: #6c7086;
  --navy: #141e37;
  --navy-2: #0d1526;
  --gold: #ffc800;
  --gold-ink: #3a2900;
  --green: #0eb872;
  --border: rgba(20, 30, 55, 0.12);
  --card-cream: #f3ead9;
  --shadow: 0 20px 50px -25px rgba(20, 30, 55, 0.35);
  --eyebrow-on-cream: var(--navy);
  --eyebrow-on-cream-opacity: 0.65;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "system-cjk", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- nav ---------- */
nav.site-nav {
  background: var(--navy);
  color: #f3eedd;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
nav.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  color: #fdf9ef;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--gold);
  color: var(--gold-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.92rem;
}
.nav-links a {
  text-decoration: none;
  color: rgba(243, 238, 221, 0.8);
  transition: color 0.15s ease;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: radial-gradient(circle at 18% 20%, rgba(255, 200, 0, 0.16), transparent 45%),
    radial-gradient(circle at 82% 75%, rgba(14, 184, 114, 0.14), transparent 45%), var(--navy);
  color: #f6f1e2;
  overflow: hidden;
  padding: 96px 0 88px;
}
.sparkle {
  position: absolute;
  width: 18px;
  height: 18px;
  clip-path: polygon(50% 0%, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0% 50%, 39% 39%);
  opacity: 0.55;
}
.hero .eyebrow { color: var(--gold); }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.28;
  margin: 14px 0 18px;
  max-width: 15ch;
  text-wrap: balance;
  font-weight: 800;
}
.hero p.lead {
  max-width: 46ch;
  color: rgba(243, 238, 221, 0.82);
  font-size: 1.08rem;
}
.hero-cta { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--green);
  text-transform: none;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: currentColor;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: var(--gold-ink); }
.btn-ghost {
  background: transparent;
  color: #f6f1e2;
  border-color: rgba(246, 241, 226, 0.35);
}
.btn-navy { background: var(--navy); color: #f6f1e2; }

/* ---------- sections ---------- */
section.block { padding: 76px 0; }
section.block.tight { padding: 56px 0; }
section.block h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin: 12px 0 16px;
  text-wrap: balance;
}
section.block > .wrap > p.section-lead {
  color: var(--ink-soft);
  max-width: 60ch;
  margin-bottom: 40px;
}
.alt { background: var(--bg-elevated); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ---------- product list / cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.product-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.product-card:hover { transform: translateY(-3px); }
.product-card .icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--navy); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 18px;
}
.product-card h3 { margin: 0 0 4px; font-size: 1.2rem; }
.product-card .sub { color: var(--muted); font-size: 0.85rem; margin-bottom: 12px; }
.product-card p { color: var(--ink-soft); margin: 0 0 16px; font-size: 0.95rem; }
.product-card .go { color: var(--green); font-weight: 700; font-size: 0.9rem; }

.card-grid.ghost .product-card.placeholder {
  border-style: dashed;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  color: var(--muted);
}

/* ---------- about ---------- */
.about-quote {
  border-left: 3px solid var(--gold);
  padding-left: 22px;
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

/* ---------- product hero (secondary) ---------- */
.product-hero {
  background: linear-gradient(160deg, var(--navy), var(--navy-2));
  color: #f6f1e2;
  padding: 80px 0 64px;
  position: relative;
  overflow: hidden;
}
.product-wordmark { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.product-wordmark .mark {
  width: 46px; height: 46px; border-radius: 13px; background: var(--gold); color: var(--gold-ink);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 800;
}
.product-hero h1 { font-size: clamp(1.9rem, 4.4vw, 2.8rem); margin: 0; font-weight: 800; }
.product-hero .en-name { color: var(--gold); font-weight: 700; letter-spacing: 0.02em; margin: 6px 0 20px; font-size: 1rem; }
.product-hero .tagline { color: rgba(243, 238, 221, 0.85); font-size: 1.05rem; max-width: 44ch; }

/* ---------- vision pull quote ---------- */
.vision-quote {
  background: var(--card-cream);
  border-radius: var(--radius-lg);
  padding: 40px clamp(24px, 5vw, 56px);
  margin-top: -46px;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow);
}
.vision-quote .eyebrow { color: var(--eyebrow-on-cream); opacity: var(--eyebrow-on-cream-opacity); }
.vision-quote blockquote {
  margin: 14px 0 18px;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.5;
  text-wrap: balance;
}
.vision-quote p { color: var(--ink-soft); max-width: 66ch; margin: 0; }

/* ---------- category grid ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.cat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  background: var(--bg-elevated);
}
.cat-card .cat-emoji { font-size: 1.5rem; }
.cat-card h4 { margin: 10px 0 8px; font-size: 1.05rem; }
.cat-card p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- pricing strip ---------- */
.pricing-strip {
  border-radius: var(--radius-md);
  background: var(--card-cream);
  padding: 26px 28px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.pricing-strip .tag {
  background: var(--green);
  color: #06231a;
  font-weight: 800;
  font-size: 0.78rem;
  padding: 5px 11px;
  border-radius: 999px;
  flex-shrink: 0;
  white-space: nowrap;
}
.pricing-strip p { margin: 0; color: var(--ink-soft); }

/* ---------- link cards ---------- */
.link-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.link-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  background: var(--bg-elevated);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.link-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.link-card .lc-icon { font-size: 1.4rem; }
.link-card h4 { margin: 4px 0 2px; font-size: 1.05rem; }
.link-card p { margin: 0; color: var(--muted); font-size: 0.88rem; }
.link-card .arrow { margin-top: 8px; color: var(--green); font-weight: 700; font-size: 0.88rem; }
.link-card .note { font-size: 0.76rem; color: var(--muted); opacity: 0.75; margin-top: -2px; }

/* ---------- policy page ---------- */
.policy-layout { display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; }
.toc {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
  border-left: 2px solid var(--border);
  padding-left: 16px;
}
@media (max-width: 760px) {
  .policy-layout { grid-template-columns: 1fr; }
  /* 手機版 .policy-layout 收成單欄，.toc 跟內容擠在同一欄裡——sticky 在這個
     版面下會讓 .toc 浮在往上捲動的內容上面，跟文字重疊。改成 static，讓它
     單純以一般區塊的方式排在內容上方，捲動時跟著一起走。 */
  .toc { position: static; top: auto; }
}
.toc a { text-decoration: none; color: var(--muted); }
.toc a:hover { color: var(--navy); }
:root[data-theme="dark"] .toc a:hover { color: var(--gold); }

.policy-section { margin-bottom: 46px; scroll-margin-top: 90px; }
.policy-section h3 {
  font-size: 1.15rem;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.policy-section ul { padding-left: 20px; margin: 0; color: var(--ink-soft); }
.policy-section li { margin-bottom: 10px; }
.policy-section p { color: var(--ink-soft); }

/* ---------- footer ---------- */
footer {
  background: var(--navy);
  color: rgba(243, 238, 221, 0.75);
  padding: 44px 0;
  font-size: 0.86rem;
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
footer a { text-decoration: none; color: rgba(243, 238, 221, 0.75); }
footer a:hover { color: var(--gold); }
footer .foot-links { display: flex; gap: 20px; }

@media (max-width: 640px) {
  .nav-links { gap: 16px; font-size: 0.85rem; }
  .hero { padding: 72px 0 64px; }
  section.block { padding: 56px 0; }
}