/* ============================================================
   IMPRESSIVE.CARE — 形象網站 (dark premium minimal)
   共用樣式 · 三語 (zh-Hant / en / ja)
   ============================================================ */

:root {
  --bg:        #0a0c0e;
  --bg-soft:   #11151a;
  --line:      rgba(255, 255, 255, 0.08);
  --ink:       #f2f5f7;
  --ink-soft:  #9aa6ad;
  --ink-faint: #5d676d;
  --brand:     #7fb0bf;   /* 取自原站 #7a9daa 提亮 */
  --brand-2:   #a9d6e0;
  --max:       1180px;
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", "Noto Sans TC", "Noto Sans JP", -apple-system,
               BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Hiragino Sans",
               "Microsoft JhengHei", sans-serif;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 背景微光 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(60% 50% at 80% -10%, rgba(127, 176, 191, 0.10), transparent 70%),
    radial-gradient(50% 40% at 0% 100%, rgba(127, 176, 191, 0.06), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ----------------------------- 導覽列 ----------------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px;
  background: rgba(10, 12, 14, 0);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease),
              border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 12, 14, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px 32px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 600; font-size: 16px; letter-spacing: 0.18em;
  display: flex; align-items: center; gap: 10px;
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 14px var(--brand);
}
.langs { display: flex; gap: 6px; align-items: center; }
.langs a {
  font-size: 12px; letter-spacing: 0.1em; color: var(--ink-faint);
  padding: 6px 11px; border-radius: 999px; border: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.langs a:hover { color: var(--ink); border-color: var(--line); }
.langs a.active { color: var(--ink); border-color: var(--brand); }

/* ----------------------------- 區塊通用 ----------------------------- */
section { position: relative; z-index: 1; }

.eyebrow {
  font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 22px; font-weight: 500;
}

/* ----------------------------- Hero ----------------------------- */
.hero {
  min-height: 100svh; display: flex; flex-direction: column;
  justify-content: center; padding: 140px 0 90px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 48px; align-items: center;
}
.hero-figure {
  position: relative; border-radius: 22px; overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #2a3640, #1a242c);
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
}
.hero-figure img { width: 100%; height: auto; display: block; }
.hero-figure .tag {
  position: absolute; left: 16px; bottom: 16px;
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink); background: rgba(10,12,14,0.55);
  backdrop-filter: blur(6px); padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line);
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-weight: 600; line-height: 1.04; letter-spacing: -0.02em;
  max-width: 16ch;
}
.hero h1 .hl {
  background: linear-gradient(120deg, var(--brand-2), var(--brand));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p {
  margin-top: 30px; max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.22rem); color: var(--ink-soft);
}
.hero-actions { margin-top: 44px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px; border-radius: 999px; font-size: 14px;
  letter-spacing: 0.04em; font-weight: 500;
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
              border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.btn-primary { background: var(--brand); color: #06181d; border-color: var(--brand); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(127,176,191,0.25); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }

.scroll-cue {
  margin-top: 70px; font-size: 11px; letter-spacing: 0.3em;
  color: var(--ink-faint); display: flex; align-items: center; gap: 12px;
}
.scroll-cue .bar {
  width: 46px; height: 1px; background: var(--ink-faint); position: relative; overflow: hidden;
}
.scroll-cue .bar::after {
  content: ""; position: absolute; inset: 0; width: 40%;
  background: var(--brand); animation: slide 2.4s var(--ease) infinite;
}
@keyframes slide { 0% { left: -40%; } 100% { left: 100%; } }

/* ----------------------------- 理念 ----------------------------- */
.statement { padding: 120px 0; border-top: 1px solid var(--line); }
.statement .big {
  font-size: clamp(1.6rem, 3.4vw, 2.9rem); font-weight: 500;
  line-height: 1.35; letter-spacing: -0.01em; max-width: 22ch;
}
.statement .big em {
  font-style: normal;
  background: linear-gradient(120deg, var(--brand-2), var(--brand));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ----------------------------- 價值三欄 ----------------------------- */
.pillars { padding: 110px 0; border-top: 1px solid var(--line); }
.grid3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 50px;
}
.card {
  background: linear-gradient(180deg, var(--bg-soft), rgba(17,21,26,0.4));
  border: 1px solid var(--line); border-radius: 18px; padding: 34px 30px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.card:hover { transform: translateY(-6px); border-color: rgba(127,176,191,0.4); }
.card .num { font-size: 12px; letter-spacing: 0.2em; color: var(--brand); }
.card h3 { margin: 16px 0 12px; font-size: 1.3rem; font-weight: 600; letter-spacing: -0.01em; }
.card p { color: var(--ink-soft); font-size: 0.98rem; }

/* ----------------------------- 產品家族 ----------------------------- */
.products { padding: 110px 0; border-top: 1px solid var(--line); }
.products .lead { margin: 14px 0 4px; color: var(--ink-soft); max-width: 48ch; }
.grid-products {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 46px;
}
.pcard {
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: var(--bg-soft);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.pcard:hover { transform: translateY(-6px); border-color: rgba(127,176,191,0.4); }
.pcard .frame { aspect-ratio: 3 / 4; overflow: hidden; background: #0e1318; }
.pcard .frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.6s var(--ease);
}
.pcard:hover .frame img { transform: scale(1.04); }
.pcard .meta { padding: 18px 22px 22px; }
.pcard .meta .name { font-size: 1.05rem; font-weight: 600; letter-spacing: 0.02em; }
.pcard .meta .desc { margin-top: 6px; color: var(--ink-soft); font-size: 0.9rem; }

/* ----------------------------- 數據 ----------------------------- */
.metrics { padding: 100px 0; border-top: 1px solid var(--line); }
.grid-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.metric .n {
  font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 600; letter-spacing: -0.02em;
  line-height: 1; background: linear-gradient(120deg, var(--brand-2), var(--brand));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.metric .l { margin-top: 12px; color: var(--ink-soft); font-size: 0.95rem; }

/* ----------------------------- 聯絡 / 頁尾 ----------------------------- */
.contact { padding: 130px 0 90px; border-top: 1px solid var(--line); }
.contact h2 {
  font-size: clamp(2rem, 4.4vw, 3.4rem); font-weight: 600;
  letter-spacing: -0.02em; max-width: 16ch;
}
.contact .lead { margin-top: 24px; color: var(--ink-soft); max-width: 44ch; }
.contact .rows { margin-top: 50px; display: grid; gap: 2px; }
.contact .row {
  display: flex; gap: 24px; padding: 22px 4px; border-top: 1px solid var(--line);
  align-items: baseline; flex-wrap: wrap;
}
.contact .row:last-child { border-bottom: 1px solid var(--line); }
.contact .row .k {
  flex: 0 0 130px; font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-faint);
}
.contact .row .v { font-size: 1.05rem; }
.contact .row .v a { border-bottom: 1px solid transparent; transition: border-color 0.25s; }
.contact .row .v a:hover { border-color: var(--brand); }

.foot {
  border-top: 1px solid var(--line); padding: 36px 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 14px;
  color: var(--ink-faint); font-size: 12px; letter-spacing: 0.06em;
}

/* ----------------------------- 捲動進場動畫 ----------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* 頂部捲動進度 */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--brand), var(--brand-2)); z-index: 60;
}

/* ----------------------------- RWD ----------------------------- */
@media (max-width: 820px) {
  .nav { padding: 16px 20px; }
  .nav.scrolled { padding: 12px 20px; }
  .grid3, .grid-metrics, .grid-products { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-figure { max-width: 360px; margin: 0 auto; }
  .hero { padding: 120px 0 70px; }
  .statement, .pillars, .products, .metrics, .contact { padding: 80px 0; }
  .contact .row .k { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   v4 additions — 8-section site (products+ / evidence / gfusip /
   deployments / about / contact form / footer)
   ============================================================ */

/* nav links */
.nav-mid { display: flex; gap: 4px; align-items: center; }
.nav-mid a {
  font-size: 13px; letter-spacing: 0.06em; color: var(--ink-soft);
  padding: 7px 13px; border-radius: 999px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav-mid a:hover { color: var(--ink); background: rgba(255,255,255,0.05); }
.nav-cta {
  font-size: 13px; letter-spacing: 0.05em; font-weight: 500;
  color: #06181d; background: var(--brand);
  padding: 9px 18px; border-radius: 999px; margin-left: 8px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(127,176,191,0.3); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: none; background: none; border: 1px solid var(--line); color: var(--ink);
  border-radius: 10px; padding: 7px 12px; font-size: 16px; cursor: pointer;
}
.mobile-menu {
  display: none; position: fixed; top: 62px; left: 0; right: 0; z-index: 49;
  background: rgba(10,12,14,0.96); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line); padding: 12px 24px 20px;
}
.mobile-menu.open { display: block; }
.mobile-menu > a {
  display: block; padding: 14px 6px; border-bottom: 1px solid var(--line);
  font-size: 15px; color: var(--ink-soft);
}
.mobile-menu > a:last-child { border-bottom: none; color: var(--brand); }
.mm-langs { display: flex; gap: 8px; flex-wrap: wrap; padding: 14px 4px 6px; }
.mm-langs a {
  font-size: 13px; padding: 8px 15px; border: 1px solid var(--line);
  border-radius: 999px; color: var(--ink-soft);
}
.mm-langs a.active { color: var(--ink); border-color: var(--brand); }

/* brand map (who we are) */
.brandmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 54px; }
.bm-card {
  border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px;
  background: linear-gradient(180deg, var(--bg-soft), rgba(17,21,26,0.35));
}
.bm-card .k { font-size: 11px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--ink-faint); }
.bm-card .n { margin-top: 10px; font-size: 1.12rem; font-weight: 600; letter-spacing: 0.01em; }
.bm-card .d { margin-top: 8px; color: var(--ink-soft); font-size: 0.92rem; }

/* product cards v4 */
.grid-products.six { grid-template-columns: repeat(3, 1fr); }
.pcard .frame.mono { display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(90% 70% at 70% 20%, rgba(127,176,191,0.16), transparent 60%),
    linear-gradient(180deg, #17222b, #0e1318);
}
.pcard .frame.mono span {
  font-size: clamp(3.6rem, 7vw, 5.4rem); font-weight: 600; letter-spacing: 0.02em;
  background: linear-gradient(120deg, var(--brand-2), var(--brand));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0.85;
}
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.chip {
  font-size: 11px; letter-spacing: 0.05em; color: var(--brand-2);
  border: 1px solid rgba(127,176,191,0.35); border-radius: 999px; padding: 4px 11px;
}
.pcard .meta p.blurb { margin-top: 10px; color: var(--ink-soft); font-size: 0.88rem; line-height: 1.6; }
.notice {
  margin-top: 36px; font-size: 0.82rem; color: var(--ink-faint); line-height: 1.7;
  border-left: 2px solid var(--line); padding-left: 16px; max-width: 72ch;
}

/* evidence */
.evidence { padding: 110px 0; border-top: 1px solid var(--line); }
.ev-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 26px; margin-top: 48px; }
.ev-card {
  border: 1px solid var(--line); border-radius: 18px; padding: 32px 30px;
  background: linear-gradient(180deg, var(--bg-soft), rgba(17,21,26,0.35));
}
.ev-card.hero-ev { border-color: rgba(127,176,191,0.45);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(127,176,191,0.10), transparent 55%),
    linear-gradient(180deg, var(--bg-soft), rgba(17,21,26,0.35));
}
.ev-card h3 { font-size: 1.22rem; font-weight: 600; letter-spacing: -0.01em; }
.ev-card .lic {
  margin: 16px 0 6px; font-size: clamp(1.15rem, 2.2vw, 1.5rem); font-weight: 600;
  letter-spacing: 0.03em; color: var(--brand-2);
}
.ev-card p { color: var(--ink-soft); font-size: 0.95rem; margin-top: 10px; }
.ev-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-size: 0.9rem; color: var(--brand); border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}
.ev-link:hover { border-color: var(--brand); }
.method-rows { margin-top: 14px; display: grid; gap: 0; }
.method-rows .mrow { display: flex; gap: 16px; padding: 13px 2px; border-top: 1px solid var(--line); align-items: baseline; }
.method-rows .mrow:last-child { border-bottom: 1px solid var(--line); }
.method-rows .mk { flex: 0 0 132px; font-size: 0.86rem; color: var(--brand-2); letter-spacing: 0.04em; }
.method-rows .mv { font-size: 0.9rem; color: var(--ink-soft); }
.backers { margin-top: 26px; display: grid; gap: 0; }
.backer {
  display: flex; justify-content: space-between; gap: 18px; align-items: baseline;
  padding: 17px 4px; border-top: 1px solid var(--line); flex-wrap: wrap;
}
.backer:last-child { border-bottom: 1px solid var(--line); }
.backer .bn { font-size: 0.98rem; }
.backer .br { font-size: 0.82rem; color: var(--ink-faint); }
.backer a { color: var(--brand); font-size: 0.82rem; white-space: nowrap; border-bottom: 1px solid transparent; }
.backer a:hover { border-color: var(--brand); }

/* gfusip */
.gfusip { padding: 110px 0; border-top: 1px solid var(--line);
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(127,176,191,0.07), transparent 65%);
}
.sdgs { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.sdg {
  border: 1px solid rgba(127,176,191,0.4); border-radius: 12px; padding: 12px 18px;
  font-size: 0.86rem; color: var(--ink-soft);
}
.sdg b { color: var(--brand-2); font-weight: 600; margin-right: 8px; }
.gfusip .lead { margin-top: 22px; color: var(--ink-soft); max-width: 56ch; }

/* deployments / scenarios */
.deploy { padding: 110px 0; border-top: 1px solid var(--line); }
.grid-scen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 46px; }
.scard {
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--bg-soft);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.scard:hover { transform: translateY(-5px); border-color: rgba(127,176,191,0.4); }
.scard .simg { aspect-ratio: 16 / 10; overflow: hidden; }
.scard .simg img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); filter: saturate(0.85); }
.scard:hover .simg img { transform: scale(1.05); }
.scard .sbody { padding: 18px 20px 22px; }
.scard h3 { font-size: 1.02rem; font-weight: 600; }
.scard .fit { margin-top: 6px; font-size: 0.78rem; letter-spacing: 0.08em; color: var(--brand); }
.scard p { margin-top: 8px; color: var(--ink-soft); font-size: 0.88rem; line-height: 1.6; }

/* about */
.about { padding: 110px 0; border-top: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 48px; }
.facts { display: grid; gap: 0; }
.facts .row { display: flex; gap: 20px; padding: 15px 2px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.facts .row:last-child { border-bottom: 1px solid var(--line); }
.facts .k { flex: 0 0 118px; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); padding-top: 3px; }
.facts .v { font-size: 0.95rem; flex: 1; min-width: 200px; }
.facts .v small { display: block; color: var(--ink-faint); font-size: 0.8rem; margin-top: 2px; }
.team-card { border: 1px solid var(--line); border-radius: 16px; padding: 24px; background: var(--bg-soft); margin-bottom: 16px; }
.team-card .role { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--brand); }
.team-card .nm { margin-top: 8px; font-size: 1.15rem; font-weight: 600; }
.team-card p { margin-top: 8px; color: var(--ink-soft); font-size: 0.9rem; }
.media-list { margin-top: 26px; }
.media-list .mitem {
  display: flex; justify-content: space-between; gap: 16px; padding: 14px 2px;
  border-top: 1px solid var(--line); align-items: baseline; flex-wrap: wrap;
}
.media-list .mitem:last-child { border-bottom: 1px solid var(--line); }
.media-list .msrc { font-size: 0.82rem; color: var(--ink-faint); flex: 0 0 auto; }
.media-list .mt { font-size: 0.94rem; flex: 1; min-width: 220px; }
.media-list a { color: var(--brand); font-size: 0.82rem; white-space: nowrap; border-bottom: 1px solid transparent; }
.media-list a:hover { border-color: var(--brand); }
.subhead { margin-top: 46px; font-size: 1.05rem; font-weight: 600; letter-spacing: 0.02em; }
.hist { margin-top: 14px; color: var(--ink-soft); font-size: 0.92rem; max-width: 68ch; }

/* contact form */
.contact-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 48px; margin-top: 12px; }
.form-card {
  border: 1px solid var(--line); border-radius: 18px; padding: 32px 30px;
  background: linear-gradient(180deg, var(--bg-soft), rgba(17,21,26,0.4));
}
.form-card h3 { font-size: 1.15rem; font-weight: 600; }
.ffield { margin-top: 18px; }
.ffield label { display: block; font-size: 12px; letter-spacing: 0.08em; color: var(--ink-faint); margin-bottom: 8px; }
.ffield input, .ffield select, .ffield textarea {
  width: 100%; background: rgba(255,255,255,0.03); color: var(--ink);
  border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px;
  font-size: 0.95rem; font-family: inherit;
  transition: border-color 0.25s;
}
.ffield input:focus, .ffield select:focus, .ffield textarea:focus { outline: none; border-color: var(--brand); }
.ffield select { appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239aa6ad' fill='none' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; }
.ffield select option { background: #11151a; color: var(--ink); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fsubmit {
  margin-top: 24px; width: 100%; cursor: pointer;
  background: var(--brand); color: #06181d; font-weight: 600; font-size: 0.98rem;
  border: none; border-radius: 999px; padding: 15px; font-family: inherit;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.fsubmit:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(127,176,191,0.28); }
.fsubmit:disabled { opacity: 0.6; transform: none; cursor: wait; }
.fmsg { margin-top: 14px; font-size: 0.88rem; display: none; }
.fmsg.ok { display: block; color: #9fd6a8; }
.fmsg.err { display: block; color: #e0a9a9; }
.fnote { margin-top: 14px; font-size: 0.78rem; color: var(--ink-faint); line-height: 1.6; }

/* footer v4 */
.foot-wrap { border-top: 1px solid var(--line); padding: 44px 0 36px; }
.foot-lic {
  font-size: 0.82rem; color: var(--ink-soft); letter-spacing: 0.04em;
  padding-bottom: 22px; margin-bottom: 22px; border-bottom: 1px solid var(--line);
}
.foot-lic b { color: var(--brand-2); font-weight: 600; }
.foot-grid { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 18px; }
.foot-col { font-size: 12px; color: var(--ink-faint); letter-spacing: 0.05em; line-height: 2; }
.foot-col a { transition: color 0.25s; }
.foot-col a:hover { color: var(--brand); }
.foot-note { margin-top: 10px; font-size: 11px; color: var(--ink-faint); opacity: 0.75; max-width: 74ch; }

/* jp legal ribbon */
.legal-note {
  margin-top: 18px; font-size: 0.8rem; color: var(--ink-faint);
  border: 1px dashed rgba(255,255,255,0.16); border-radius: 10px; padding: 10px 14px;
  max-width: 56ch; line-height: 1.65;
}

@media (max-width: 1020px) {
  .nav-mid { display: none; }
  .menu-btn { display: block; }
  .grid-products.six { grid-template-columns: repeat(2, 1fr); }
  .grid-scen { grid-template-columns: repeat(2, 1fr); }
  .ev-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-products.six, .grid-scen { grid-template-columns: 1fr; }
  .brandmap { grid-template-columns: 1fr; }
  .frow { grid-template-columns: 1fr; }

  /* nav: 品牌＋漢堡為主，語言收進選單 */
  .nav { padding: 13px 16px; }
  .nav.scrolled { padding: 11px 16px; }
  .brand { font-size: 13px; letter-spacing: 0.12em; gap: 8px; }
  .langs { display: none; }
  .nav-cta { padding: 8px 14px; font-size: 12px; margin-left: 0; }
  .menu-btn { padding: 6px 10px; font-size: 15px; }
  .mobile-menu { top: 54px; padding: 8px 20px 18px; }

  /* hero */
  .hero { padding: 96px 0 56px; min-height: auto; }
  .hero h1 { font-size: clamp(2rem, 10vw, 2.9rem); max-width: none; }
  .hero p { margin-top: 18px; font-size: 1rem; }
  .hero-actions { margin-top: 30px; gap: 12px; }
  .hero-actions .btn { padding: 13px 22px; font-size: 13.5px; }
  .hero-figure { max-width: 280px; }
  .scroll-cue { margin-top: 44px; }
  .legal-note { font-size: 0.76rem; padding: 9px 12px; }

  /* 區塊節奏與留白 */
  .wrap { padding: 0 20px; }
  .statement, .pillars, .products, .metrics, .contact,
  .evidence, .gfusip, .deploy, .about { padding: 60px 0; }
  .eyebrow { margin-bottom: 16px; }
  .statement .big { font-size: clamp(1.35rem, 6vw, 1.9rem); max-width: none; }
  .brandmap { margin-top: 34px; gap: 14px; }
  .bm-card { padding: 20px 18px; }
  .grid-products { gap: 18px; margin-top: 32px; }
  .grid-scen { gap: 16px; margin-top: 32px; }
  .card { padding: 26px 22px; }

  /* evidence / about / contact 卡片 */
  .ev-grid { gap: 16px; margin-top: 32px; }
  .ev-card { padding: 22px 18px; }
  .ev-card .lic { font-size: 1.05rem; letter-spacing: 0.01em; word-break: break-all; }
  .method-rows .mk { flex: 0 0 104px; font-size: 0.8rem; }
  .method-rows .mv { font-size: 0.84rem; }
  .backer { padding: 14px 2px; }
  .backer .bn { font-size: 0.92rem; }
  .backer .br { display: block; margin-top: 3px; }
  .about-grid { gap: 34px; margin-top: 32px; }
  .facts .k { flex-basis: 100%; padding-top: 0; }
  .facts .row { padding: 13px 2px; gap: 6px; }
  .team-card { padding: 20px 18px; }
  .contact-grid { gap: 30px; }
  .contact h2 { font-size: clamp(1.7rem, 8vw, 2.4rem); max-width: none; }
  .form-card { padding: 22px 18px; }
  .ffield input, .ffield select, .ffield textarea { font-size: 16px; } /* 避免 iOS 聚焦自動放大 */

  /* footer */
  .foot-wrap { padding: 34px 0 28px; }
  .foot-lic { font-size: 0.76rem; line-height: 1.7; }
  .foot-grid { flex-direction: column; gap: 14px; }
}

/* ============================================================
   v5.1 — 嚴格自審修正：斷行、日文字級、FAQ、雜項
   ============================================================ */
h1, h2, h3, .statement .big { text-wrap: balance; }
p, li, a, .backer .bn { overflow-wrap: break-word; }
.nav-cta { white-space: nowrap; }

/* 日文標題：避免詞中斷行 */
html[lang="ja"] .hero h1 { font-size: clamp(2rem, 4.6vw, 3.7rem); }
html[lang="ja"] .statement .big { font-size: clamp(1.45rem, 2.9vw, 2.45rem); }
html[lang="ja"] .contact h2 { font-size: clamp(1.8rem, 3.8vw, 2.9rem); }

/* FAQ */
.faq { padding: 110px 0; border-top: 1px solid var(--line); }
.faq-list { margin-top: 40px; max-width: 860px; }
.faq-item {
  border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px;
  background: linear-gradient(180deg, var(--bg-soft), rgba(17,21,26,0.35));
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 22px;
  font-size: 1rem; font-weight: 600; letter-spacing: 0.01em;
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  transition: color 0.25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; color: var(--brand); font-size: 1.2rem; font-weight: 400;
  transition: transform 0.3s var(--ease); flex: 0 0 auto;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--brand-2); }
.faq-item .fa-body { padding: 0 22px 20px; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.75; }
.faq-item .fa-body a { color: var(--brand); }

@media (max-width: 640px) {
  html[lang="ja"] .hero h1 { font-size: clamp(1.65rem, 8vw, 2.2rem); }
  .faq { padding: 60px 0; }
  .faq-item summary { padding: 15px 16px; font-size: 0.94rem; }
  .faq-item .fa-body { padding: 0 16px 16px; font-size: 0.88rem; }
}

/* ============================================================
   v6.1 — 全幅展廳 Hero（dark showroom bleed）
   ============================================================ */
.hero-bleed { position: relative; overflow: hidden; }
.hero-bleed .hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: url(../img/hero-showroom.jpg) 72% 38% / cover no-repeat;
  transform: scale(1.02);
}
.hero-bleed .hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg,
      rgba(10, 12, 14, 0.97) 0%,
      rgba(10, 12, 14, 0.88) 34%,
      rgba(10, 12, 14, 0.55) 62%,
      rgba(10, 12, 14, 0.35) 82%,
      rgba(10, 12, 14, 0.55) 100%),
    linear-gradient(180deg,
      rgba(10, 12, 14, 0.85) 0%,
      rgba(10, 12, 14, 0.35) 18%,
      rgba(10, 12, 14, 0.12) 40%,
      rgba(10, 12, 14, 0.15) 62%,
      var(--bg) 100%);
}
.hero-bleed .wrap { position: relative; z-index: 2; }
.hero-copy { max-width: 620px; }
.hero-bleed h1 { text-shadow: 0 2px 30px rgba(0, 0, 0, 0.55); }
.hero-bleed p { color: #b9c4cb; text-shadow: 0 1px 18px rgba(0, 0, 0, 0.6); }
.hero-bleed .legal-note { background: rgba(10, 12, 14, 0.45); backdrop-filter: blur(4px); }

@media (max-width: 820px) {
  .hero-bleed .hero-bg { background-position: 66% 40%; }
}
@media (max-width: 640px) {
  .hero-bleed { min-height: 78svh; display: flex; align-items: flex-end; }
  .hero-bleed .hero-bg { background-position: 60% 24%; }
  .hero-bleed .hero-bg::after {
    background:
      linear-gradient(180deg,
        rgba(10, 12, 14, 0.72) 0%,
        rgba(10, 12, 14, 0.25) 30%,
        rgba(10, 12, 14, 0.55) 58%,
        rgba(10, 12, 14, 0.95) 82%,
        var(--bg) 100%);
  }
  .hero-bleed { padding: 120px 0 48px; }
}
