/* upgrade.css — 2026-07 第一階段整體視覺升級層
   載入順序：tokens → components → craft → upgrade（最後載入，覆蓋前層）
   原則：不動 components.css / craft.css 原始碼，所有升級集中此層，可整檔移除回滾。 */

/* ── 1. 品牌標誌（官方 OK 手勢 mark）────────────────── */
.brand .logo-mark{width:34px;height:34px;color:var(--logo-ink);flex:none;transition:transform .5s var(--ease)}
.brand:hover .logo-mark{transform:rotate(-6deg) scale(1.06)}
.brand-copy b{font-family:var(--font-display);font-weight:700;letter-spacing:.06em}
.site-footer .logo-lockup{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.site-footer .logo-lockup .logo-mark{width:44px;height:44px;color:#fff;opacity:.94}
.site-footer .logo-lockup b{display:block;font-family:var(--font-display);font-size:20px;letter-spacing:.1em;color:var(--surf)}
.site-footer .logo-lockup small{display:block;font-size:11px;letter-spacing:.28em;color:var(--teal-100);opacity:.85}

/* ── 2. 字級系統：人文襯線標題（呼應團購頁 Noto Serif TC，全站統一）── */
h1,h2,.hero-copy h1,.page-hero h1,.hook-card h2,.section-head h2,.split h2,.proof-copy h2,.cta-inner h2{
  font-family:var(--font-display);font-weight:800;letter-spacing:.015em}
.hero-copy h1{line-height:1.18}
h3,.service-card h3,.pricing-row h3{letter-spacing:.02em}
.eyebrow{letter-spacing:.26em}
.pricing-row strong,.step b,.floating-note b,.stats b{font-variant-numeric:tabular-nums}

/* ── 3. 紙感底紋（2–3% 顆粒，反 AI 均質感）────────────── */
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:var(--grain-opacity);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
body>*{position:relative;z-index:1}

/* ── 4. 元件細節升級 ─────────────────────────────── */
/* 卡片：hover 邊框帶品牌色，陰影更收斂 */
.service-card:hover{border-color:var(--teal);}
.pricing-row{transition:border-color .35s var(--ease),transform .35s var(--ease)}
.pricing-row:hover{border-color:var(--teal);transform:translateX(4px)}
/* FAQ：+/− 開合指示 */
.faq-item summary{position:relative;padding-right:34px;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:2px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;display:grid;place-items:center;border-radius:50%;
  background:var(--teal-100);color:var(--teal);font-weight:800;transition:transform .4s var(--ease)}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item[open]{border-color:var(--teal)}
/* anchor bar：目前區塊高亮由 hover/focus 提示 */
.anchor-bar a:hover,.anchor-bar a:focus-visible{background:var(--teal);color:var(--surf);border-color:var(--teal)}
/* 見證卡：引號記號 */
.quote-grid blockquote{position:relative;padding-top:44px}
.quote-grid blockquote::before{content:"“";position:absolute;left:18px;top:2px;
  font-family:var(--font-display);font-size:52px;line-height:1;color:var(--amber);opacity:.8}

/* ── 5. 可及性 ───────────────────────────────────── */
.skip-link{position:absolute;left:-999px;top:0;z-index:99;background:var(--teal);color:#fff;
  padding:10px 18px;border-radius:0 0 var(--r-md) 0;font-weight:800}
.skip-link:focus{left:0}
::selection{background:var(--teal-100);color:var(--ink)}
a:focus-visible,.btn:focus-visible,summary:focus-visible,[role="slider"]:focus-visible{
  outline:3px solid var(--amber);outline-offset:3px}

/* ── 6. 手機微調 ─────────────────────────────────── */
@media (max-width:640px){
  .brand .logo-mark{width:30px;height:30px}
  body::before{display:none} /* 手機省效能，底紋只在桌面 */
  .quote-grid blockquote{padding-top:40px}
}
@media (prefers-reduced-motion:reduce){
  .brand:hover .logo-mark{transform:none}
}

/* ── 7. 正式 logo（根治字跑）＋ 極簡前衛動態 2026-07 ── */
.brand{position:relative;overflow:hidden;border-radius:10px}
.site-logo{height:44px;width:auto;display:block;animation:logoReveal .9s var(--ease) both}
@keyframes logoReveal{from{opacity:0;clip-path:inset(0 100% 0 0);transform:translateY(4px)}to{opacity:1;clip-path:inset(0 0 0 0);transform:none}}
.brand::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.55) 48%,transparent 66%);transform:translateX(-120%);animation:logoSweep 5.5s ease-in-out 1.4s infinite}
@keyframes logoSweep{0%{transform:translateX(-120%)}18%,100%{transform:translateX(120%)}}
.brand .site-logo{transition:transform .5s var(--ease)}
.brand:hover .site-logo{transform:scale(1.03)}
.brand:hover::after{animation-duration:1.1s}
.footer-logo-card{display:inline-block;background:#fff;padding:12px 16px;border-radius:14px;margin-bottom:12px;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.footer-logo-card img{height:52px;width:auto;display:block}
@media (max-width:640px){.site-logo{height:38px}.footer-logo-card img{height:44px}}
@media (prefers-reduced-motion:reduce){.site-logo{animation:none}.brand::after{display:none}.brand:hover .site-logo{transform:none}}
/* ── 8. 官方金棕 logo（確認檔）· header用手勢mark、footer用完整堆疊版 ── */
.site-header .site-logo{height:40px;width:auto}
.site-header{padding-top:10px;padding-bottom:10px}
.footer-logo-card{padding:16px 20px;background:#fff}
.footer-logo-card img{height:96px;width:auto;display:block}
@media (max-width:640px){.site-header .site-logo{height:34px}.footer-logo-card img{height:80px}}


/* ===== 2026-07-17 客戶QA修正批次 ===== */
/* 1. 手機版也顯示品牌小字（客戶要求品牌名完整呈現） */
.brand-copy small{display:block;font-size:10px;letter-spacing:.16em}
.brand-copy b{white-space:nowrap}

/* 2. Footer 品牌區：改用金色標誌+文字，底色與footer統一 */
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand img{width:42px;height:auto;flex:none}
.footer-brand-text{font-family:var(--font-display);font-weight:900;font-size:19px;line-height:1.25;color:var(--surf);display:grid;gap:2px}
.footer-brand-text small{font-family:var(--font);font-weight:500;font-size:11px;letter-spacing:.3em;color:var(--teal-100);opacity:.85}

/* 3. FAQ 加號絕對置中：改用漸層畫十字，不受字型度量影響 */
.faq-item summary::after{
  content:"";
  background-color:var(--teal-100);
  background-image:linear-gradient(var(--teal),var(--teal)),linear-gradient(var(--teal),var(--teal));
  background-size:12px 2px,2px 12px;
  background-position:center center;
  background-repeat:no-repeat;
}
.faq-item[open] summary::after{content:"";background-size:12px 2px,0 0}

/* 4. QMI 產品圖點擊放大 */
.qmi-grid img,.gallery-pair img{cursor:zoom-in}
.tf-lightbox{position:fixed;inset:0;background:rgba(18,28,23,.93);display:none;align-items:center;justify-content:center;z-index:999;padding:18px}
.tf-lightbox.on{display:flex}
.tf-lightbox img{max-width:96vw;max-height:90vh;width:auto;height:auto;border-radius:10px;box-shadow:0 14px 50px rgba(0,0,0,.55)}
.tf-lightbox-close{position:absolute;top:14px;right:14px;width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.16);color:#fff;font-size:24px;line-height:1;cursor:pointer;display:grid;place-items:center}