/* ============================================================
   PMC Studio — 官網樣式
   無框架、無 build step。單檔即可維護。
   ============================================================ */

:root {
  --ink: #0d1117;
  --ink-2: #1c2430;
  --muted: #5b6675;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --accent: #06c755;
  --accent-dark: #059a43;
  --accent-soft: #e8f9ef;
  --radius: 12px;
  --radius-lg: 18px;
  --wrap: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
          "PingFang TC", "Microsoft JhengHei", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.3; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; top: 0; z-index: 100; }

/* ── 頁首 ───────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark { font-size: 1.15rem; font-weight: 800; letter-spacing: .08em; }
.brand-mark .dot { color: var(--accent); }
.brand-sub { font-size: .8rem; letter-spacing: .18em; color: var(--muted); text-transform: uppercase; }

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  padding: 8px 14px; border-radius: 999px; font-size: .95rem; color: var(--muted);
  transition: color .15s, background .15s;
}
.site-nav a:hover { color: var(--ink); background: var(--bg-soft); }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.nav-cta {
  background: var(--accent); color: #fff !important; font-weight: 600;
  margin-left: 6px;
}
.nav-cta:hover { background: var(--accent-dark) !important; }

.nav-toggle, .nav-toggle-label { display: none; }

/* ── 主視覺 ─────────────────────────────────────── */
.hero { padding: clamp(72px, 12vw, 132px) 0 clamp(56px, 8vw, 88px); background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.hero-eyebrow {
  display: inline-block; font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent-dark); background: var(--accent-soft); padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { max-width: 16ch; }
.hero .lead { font-size: clamp(1rem, 2vw, 1.2rem); color: var(--muted); max-width: 52ch; margin-top: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; transition: background .15s, border-color .15s, color .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); }

/* ── 一般區塊 ───────────────────────────────────── */
.section { padding: clamp(64px, 9vw, 104px) 0; }
.section-soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 62ch; margin-bottom: 48px; }
.section-head p { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; display: flex; flex-direction: column;
  transition: border-color .18s, transform .18s;
}
.card:hover { border-color: #c9d3de; transform: translateY(-2px); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .95rem; margin-bottom: 18px; }
.card-index {
  font-size: .78rem; font-weight: 700; letter-spacing: .16em; color: var(--accent-dark);
  margin-bottom: 14px;
}

.feature-list { list-style: none; margin: 0 0 20px; padding: 0; }
.feature-list li { position: relative; padding-left: 24px; margin-bottom: 9px; font-size: .93rem; color: var(--ink-2); }
.feature-list li::before {
  content: ""; position: absolute; left: 4px; top: .62em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
}

.card-link { margin-top: auto; font-size: .9rem; font-weight: 600; color: var(--accent-dark); }

/* ── 服務頁 ─────────────────────────────────────── */
.service-block {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 32px; margin-bottom: 20px; background: #fff;
}
.service-block h2 { font-size: 1.35rem; margin-bottom: 8px; }
.service-block .summary { color: var(--muted); margin-bottom: 22px; }
.service-block .feature-list li { font-size: .96rem; }

/* ── 關於頁 ─────────────────────────────────────── */
.value-grid { margin-top: 40px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; }
.value-card h3 { font-size: 1.05rem; }
.value-card p { color: var(--muted); font-size: .94rem; margin: 0; }
.value-en { display: block; font-size: .78rem; letter-spacing: .16em; color: var(--accent-dark); margin-bottom: 8px; text-transform: uppercase; }

/* ── 聯絡頁 ─────────────────────────────────────── */
.contact-grid { align-items: start; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; }
.contact-card h3 { margin-bottom: 14px; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.contact-list li:last-child { border-bottom: 0; }
.contact-list .label { display: block; font-size: .78rem; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; margin-bottom: 2px; }

.notice {
  background: var(--accent-soft); border: 1px solid #bfe9d0; border-radius: var(--radius);
  padding: 16px 18px; font-size: .92rem; color: #0a5a2c;
}

/* ── 頁尾 ───────────────────────────────────────── */
.site-footer { background: var(--ink); color: #aab4c0; padding: 52px 0 34px; margin-top: 0; }
.footer-inner { display: grid; gap: 26px; }
.footer-brand .brand-mark { color: #fff; }
.footer-brand p { font-size: .85rem; letter-spacing: .06em; margin: 6px 0 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: .92rem; }
.footer-nav a:hover { color: #fff; }
.copyright { font-size: .82rem; margin: 0; color: #6b7684; }

/* ── 響應式 ─────────────────────────────────────── */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  .nav-toggle-label {
    display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px;
  }
  .nav-toggle-label span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

  .site-nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 24px 20px;
    display: none;
  }
  .nav-toggle:checked ~ .site-nav { display: flex; }
  .site-nav a { padding: 13px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-cta { margin: 14px 0 0; text-align: center; border-radius: 999px; }
}

/* ── 表單 ───────────────────────────────────────── */
.wrap-narrow { max-width: 640px; }
.muted { color: var(--muted); }

.field { margin-bottom: 20px; }
.field label {
  display: block; font-size: .88rem; font-weight: 600; margin-bottom: 7px; color: var(--ink-2);
}
.field input[type="text"],
.field input[type="email"],
.field textarea {
  width: 100%; padding: 12px 14px; font: inherit; font-size: .95rem;
  color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(6, 199, 85, .14);
}
.field textarea { resize: vertical; min-height: 140px; line-height: 1.7; }

.field-error { color: #c0392b; font-size: .85rem; margin: 6px 0 0; }
.form-alert {
  background: #fdecea; border: 1px solid #f5c6c0; color: #8c2a1d;
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 22px; font-size: .92rem;
}
.form-alert p { margin: 0; }
.form-hint { font-size: .8rem; color: var(--muted); margin: 12px 0 0; }

/* 蜜罐欄位：對真人隱形，但保留在 DOM 供機器人誤填 */
.hp-field {
  position: absolute !important; left: -9999px !important;
  width: 1px; height: 1px; overflow: hidden;
}

.btn-block { display: flex; width: 100%; justify-content: center; }

/* ── 短網址結果 ─────────────────────────────────── */
.result-box {
  background: var(--accent-soft); border: 1px solid #bfe9d0;
  border-radius: var(--radius); padding: 18px; margin-bottom: 6px;
}
.result-url {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 1rem; font-weight: 600; color: #0a5a2c;
  word-break: break-all; margin-bottom: 6px;
}
.result-box .muted { font-size: .85rem; margin: 0; word-break: break-all; }

.recent-title { font-size: .95rem; margin: 24px 0 10px; }
.recent-list { list-style: none; margin: 0; padding: 0; }
.recent-list li {
  display: flex; gap: 12px; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--line); font-size: .88rem;
}
.recent-list li:last-child { border-bottom: 0; }
.recent-code {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-weight: 600; color: var(--accent-dark); flex: none;
}
.recent-target { color: var(--muted); word-break: break-all; }

/* ── 完成頁 ─────────────────────────────────────── */
.done-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 46px 40px; text-align: center;
}
.done-mark {
  width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 22px;
  background: var(--accent-soft); border: 2px solid var(--accent);
  position: relative;
}
.done-mark::after {
  content: ""; position: absolute; left: 17px; top: 14px;
  width: 12px; height: 20px; border: solid var(--accent-dark);
  border-width: 0 3px 3px 0; transform: rotate(45deg);
}
.done-card .hero-actions { justify-content: center; margin-top: 28px; }

/* ── 分頁切換（純連結，無需 JS）─────────────────────── */
.tabs { display: flex; gap: 6px; margin-bottom: 26px; border-bottom: 1px solid var(--line); }
.tab {
  padding: 11px 20px; font-size: .95rem; font-weight: 600; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.on { color: var(--accent-dark); border-bottom-color: var(--accent); }

.recent-kind {
  flex: none; font-size: .75rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px;
}

/* ── 內容頁（Markdown 輸出）────────────────────────── */
.page-head { margin-bottom: 30px; }
.page-head h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 0; }
.page-foot {
  margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between;
}
.page-foot .muted { margin: 0; font-size: .85rem; }

.prose { font-size: 1.02rem; line-height: 1.85; color: var(--ink-2); }
.prose > *:first-child { margin-top: 0; }
.prose h2 { font-size: 1.4rem; margin: 2em 0 .5em; color: var(--ink); }
.prose h3 { font-size: 1.15rem; margin: 1.7em 0 .4em; color: var(--ink); }
.prose h4, .prose h5, .prose h6 { font-size: 1rem; margin: 1.4em 0 .3em; color: var(--ink); }
.prose p { margin: 0 0 1.1em; }
.prose ul, .prose ol { margin: 0 0 1.1em; padding-left: 1.5em; }
.prose li { margin-bottom: .45em; }
.prose a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--ink); }
.prose blockquote {
  margin: 1.4em 0; padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent); color: var(--muted);
}
.prose code {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: .9em; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px;
}
.prose pre {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px; overflow-x: auto; margin: 0 0 1.2em;
}
.prose pre code { background: none; border: 0; padding: 0; }
.prose img { max-width: 100%; height: auto; border-radius: var(--radius); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.2em; font-size: .94rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.prose th { background: var(--bg-soft); font-weight: 600; }
.prose .notice {
  background: var(--accent-soft); border: 1px solid #bfe9d0; border-radius: var(--radius);
  padding: 15px 18px; margin: 1.4em 0; color: #0a5a2c;
}
.prose .notice p:last-child { margin-bottom: 0; }