/* ============================================================
   Adam Cabinet — B2B custom cabinet site
   Design system: warm cream / ink / walnut, Fraunces display + Archivo UI
   ============================================================ */

:root {
  --cream: #F6F3EE;
  --paper: #FFFFFF;
  --ink: #1B1917;
  --ink-soft: #2A2724;
  --walnut: #6C4A2E;
  --walnut-deep: #57391F;
  --muted: #6B6259;
  --line: #E3DCD2;
  --line-soft: #EDE8E0;
  --ok: #3E6B4F;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --max: 1180px;
  --pad: 28px;
  --radius: 4px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(38px, 5vw, 58px); }
h2 { font-size: clamp(28px, 3.4vw, 40px); }
h3 { font-size: 20px; font-family: var(--font-body); font-weight: 600; letter-spacing: 0; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--walnut); outline-offset: 2px; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- Topbar ---------- */
.topbar { background: var(--ink); color: #D8D2C8; font-size: 13px; }
.topbar-in { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 9px 0; }
.topbar a { color: #fff; font-weight: 600; }
.topbar-right { white-space: nowrap; }
@media (max-width: 720px) { .topbar-left { display: none; } .topbar-in { justify-content: center; } }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246, 243, 238, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { font-family: var(--font-body); font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.logo em { font-style: normal; color: var(--walnut); }
.nav-links { display: flex; gap: 15px; font-size: 13.5px; font-weight: 500; white-space: nowrap; }
.nav-links a { color: var(--muted); padding: 6px 0; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--walnut); }
.nav-cta {
  margin-left: auto; background: var(--ink); color: #fff;
  padding: 11px 20px; border-radius: var(--radius);
  font-size: 14.5px; font-weight: 600; display: inline-block;
}
.nav-cta:hover { background: var(--walnut); }
.burger {
  display: none; margin-left: auto; background: none; cursor: pointer;
  border: 1px solid var(--line); border-radius: var(--radius);
  width: 44px; height: 40px; font-size: 19px; color: var(--ink);
}
.mobilenav { display: none; border-top: 1px solid var(--line); background: var(--cream); }
.mobilenav.open { display: block; }
.mobilenav a { display: block; padding: 13px var(--pad); border-bottom: 1px solid var(--line-soft); font-weight: 500; }

@media (max-width: 960px) {
  .nav-links, .nav .nav-cta { display: none; }
  .burger { display: inline-flex; align-items: center; justify-content: center; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 14px 26px; border-radius: var(--radius);
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: background .15s, color .15s;
  text-align: center;
}
.btn-primary { background: var(--cream); color: var(--ink); }
.btn-primary:hover { background: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--walnut); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }

/* ---------- Sections ---------- */
.sec { padding: 88px 0; }
.sec-paper { background: var(--paper); }
.sec-ink { background: var(--ink); color: #F2EEE7; }
.sec-ink h2, .sec-ink h3 { color: #fff; }
.sec-head { max-width: 640px; margin-bottom: 44px; }
.sec-head p { color: var(--muted); margin-top: 12px; font-size: 16.5px; }
.sec-ink .sec-head p { color: #B9B1A4; }
.kicker { display: inline-flex; align-items: center; gap: 12px; font-size: 13.5px; font-weight: 500; letter-spacing: 0; text-transform: none; color: var(--muted); margin-bottom: 14px; }
.kicker::before { content: ""; width: 28px; height: 1px; background: var(--ink); flex: none; }
.sec-ink .kicker { color: #B9B1A4; }
.sec-ink .kicker::before { background: #C9A87E; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 620px; display: flex; align-items: center; background: var(--ink); color: #fff; }
.hero img.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,17,14,.82) 0%, rgba(20,17,14,.45) 45%, rgba(20,17,14,.18) 100%); }
.hero-in { position: relative; z-index: 1; padding: 96px 0; max-width: 640px; }
.hero h1 { color: #fff; }
.hero .lede { margin: 20px 0 30px; font-size: 18px; color: #E8E2D8; max-width: 520px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.page-hero .hero-ctas { margin-top: 22px; }
.hero-facts { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 34px; font-size: 14px; color: #D8D2C8; }
.hero-facts li::before { content: "— "; color: var(--walnut); }

/* ---------- Stats bar ---------- */
.stats { background: var(--ink); color: #fff; border-top: 1px solid rgba(255,255,255,.08); }
.stats-in { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: 30px 18px; text-align: center; border-left: 1px solid rgba(255,255,255,.08); }
.stat:first-child { border-left: none; }
.stat b { display: block; font-family: var(--font-display); font-size: 30px; font-weight: 600; }
.stat span { font-size: 12.5px; color: #B9B1A4; letter-spacing: .04em; }
@media (max-width: 860px) { .stats-in { grid-template-columns: repeat(2, 1fr); } .stat { border-top: 1px solid rgba(255,255,255,.08); } }

/* ---------- Card grids ---------- */
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .18s ease, box-shadow .18s ease; }
.card-img { position: relative; width: 100%; height: 230px; overflow: hidden; background: var(--line-soft); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card:hover { border-color: var(--walnut); box-shadow: 0 10px 28px rgba(27,25,23,.07); }
.card-body { padding: 20px 22px 24px; }
.card-body p { color: var(--muted); font-size: 14.5px; margin-top: 6px; }
.card-body h3 { font-size: 17.5px; }
.card-link { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--walnut); }
.card-link:hover { text-decoration: underline; }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 26px 24px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--walnut); color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 16px;
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--paper); }
table.data th, table.data td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); }
table.data th { font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
table.data td:last-child, table.data th:last-child { text-align: right; }
table.data tr:hover td { background: var(--cream); }

/* 宽表（4 列以上）移动端可读性 2026-10-20：4+ 列在 390px 视口会被压到每格 1-2 个词。
   给一个 min-width，让外层 .table-wrap 真正产生横向滚动，而不是把列挤扁。
   2-3 列的表保持 width:100%，在手机上本来就放得下，不加滚动条。
   选择器 table.data--wide 同时命中两种写法：class="data data--wide" 与 class="data--wide"，
   后者是原本没有 .data class 的自定义表格，只挂修饰类，不改它原有的样式。 */
@media (max-width: 760px) {
  table.data--wide { width: auto; min-width: 640px; table-layout: auto !important; }
  table.data--wide th, table.data--wide td { padding: 12px 14px; }
  .table-wrap { -webkit-overflow-scrolling: touch; }
}

/* ---------- Forms ---------- */
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; font-family: var(--font-body); font-size: 15px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink);
}
.sec-ink .field input, .sec-ink .field select, .sec-ink .field textarea {
  background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.22); color: #fff;
}
.sec-ink .field label { color: #D8D2C8; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--walnut); outline-offset: 0; border-color: transparent; }
.field .hint { font-size: 12.5px; color: var(--muted); margin-top: 5px; }

/* ---------- TODO placeholder (to be filled in) ---------- */
.todo {
  border: 1.5px dashed var(--walnut); background: rgba(108, 74, 46, .06);
  color: var(--walnut-deep); border-radius: var(--radius);
  padding: 18px 20px; font-size: 14px;
}
.todo b { display: block; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.todo-img { min-height: 230px; display: flex; align-items: center; justify-content: center; text-align: center; }

/* ---------- Badges / chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 13px; font-weight: 500; padding: 6px 13px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--ink-soft); }
.badge-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cert-badge {
  flex: 1 1 150px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; text-align: center;
}
.cert-badge b { font-family: var(--font-display); font-size: 20px; display: block; }
.cert-badge span { font-size: 13px; color: var(--muted); }

/* ---------- Split layout ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split img { border-radius: var(--radius); width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.split .prose p { color: var(--muted); margin-bottom: 14px; }
.split .prose h2 { margin-bottom: 18px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- Quote band ---------- */
.quote-band { background: var(--walnut); color: #fff; padding: 72px 0; text-align: center; }
.quote-band h2 { color: #fff; margin-bottom: 12px; }
.quote-band p { color: #F0E5D8; max-width: 560px; margin: 0 auto 28px; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; font-weight: 600; font-size: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--walnut); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 0 20px; color: var(--muted); font-size: 15px; max-width: 720px; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 26px 20px; }
.tl-item::before { content: ""; position: absolute; left: -26px; top: 7px; width: 11px; height: 11px; border-radius: 50%; background: var(--walnut); border: 2px solid var(--cream); }
.tl-item b { font-family: var(--font-display); font-size: 17px; display: block; }
.tl-item p { color: var(--muted); font-size: 14.5px; margin-top: 4px; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #B9B1A4; font-size: 14px; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 48px; }
.footer h4 { color: #fff; font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.footer a { display: block; padding: 4px 0; }
.footer a:hover { color: #fff; }
.footer .logo { color: #fff; display: block; margin-bottom: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: 13px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 72px 0 56px; background: var(--paper); border-bottom: 1px solid var(--line); }
.page-hero .lede { color: var(--muted); font-size: 18px; max-width: 640px; margin-top: 14px; }
.page-hero .crumb { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.page-hero .crumb a { color: var(--walnut); }

/* ---------- Filter tabs ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.tab {
  font-size: 14px; font-weight: 500; padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper); cursor: pointer; color: var(--ink-soft);
}
.tab[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- Spec list ---------- */
.spec-list li { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.spec-list span:first-child { color: var(--muted); }
.spec-list span:last-child { font-weight: 600; text-align: right; }

/* ---------- Nav dropdown menus ---------- */
.nav-links .drop { position: relative; }
.nav-links .drop::after { content: ""; display: inline-block; width: 0; height: 0; margin-left: 6px; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--muted); vertical-align: middle; position: relative; top: -2px; }
.nav-links .drop:hover::after, .nav-links .drop:focus-within::after { border-top-color: var(--ink); }
.drop-menu {
  position: absolute; top: 100%; left: -14px; min-width: 224px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 8px 8px; box-shadow: 0 18px 44px rgba(27, 25, 23, .12);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
  z-index: 60;
  max-height: calc(100vh - 150px); overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.drop-menu::-webkit-scrollbar { width: 6px; }
.drop-menu::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.drop:hover .drop-menu, .drop:focus-within .drop-menu { opacity: 1; visibility: visible; transform: none; }
.drop-menu a { display: block; padding: 9px 12px; border-radius: 5px; font-size: 14.5px; color: var(--ink-soft); white-space: nowrap; }
.drop-menu a:hover, .drop-menu a[aria-current="page"] { background: var(--cream); color: var(--ink); }
.drop-menu .drop-all { color: var(--walnut); font-weight: 600; border-top: 1px solid var(--line); margin-top: 5px; padding-top: 11px; }
.drop.drop-cols > .drop-menu {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 26px;
  min-width: 440px;
  max-height: none; overflow-y: visible; scrollbar-width: auto;
}
.drop.drop-cols > .drop-menu .drop-all { grid-column: 1 / -1; }
.mobilenav .sub { padding-left: 16px; font-size: 14px; color: var(--muted); }

/* ---------- Blog post body ---------- */
.post-body { max-width: 760px; }
.post-body p { font-size: 16.5px; line-height: 1.75; color: var(--ink-soft); margin-bottom: 18px; }
.post-body h2 { font-family: var(--font-display); font-size: 27px; margin: 42px 0 14px; }
.post-body h3 { font-size: 18px; margin: 28px 0 10px; }
.post-body ul, .post-body ol { padding-left: 22px; margin-bottom: 18px; }
.post-body li { font-size: 16px; line-height: 1.7; color: var(--ink-soft); margin-bottom: 8px; }
.post-body .post-img { margin: 32px 0; border-radius: 8px; width: 100%; display: block; }
.post-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14.5px; }
.post-body th { text-align: left; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--ink); padding: 10px 12px 8px 0; }
.post-body td { border-bottom: 1px solid var(--line); padding: 11px 12px 11px 0; vertical-align: top; color: var(--ink-soft); }
.post-meta { font-size: 13.5px; color: var(--muted); margin-bottom: 28px; }
.post-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14.5px; flex-wrap: wrap; }
.post-nav a { color: var(--walnut); font-weight: 600; }

/* ---------- Misc ---------- */
.note { font-size: 13px; color: var(--muted); }
.center { text-align: center; }
.mt-20 { margin-top: 20px; } .mt-40 { margin-top: 40px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}


/* ---------- Page banner (fills previously image-sparse sub-pages) ---------- */
.page-banner { margin: 0; }
.page-banner img { display: block; width: 100%; height: clamp(180px, 26vw, 340px); object-fit: cover; }

/* ============================================================
   High-end v2 (2026-09-23) — redesign components
   ============================================================ */
:root { --brass: #9A7B4F; }
.sec { padding: 104px 0; }
@media (max-width: 720px) { .sec { padding: 64px 0; } }

/* L3 macro detail grid (1:1) */
.macro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.macro-grid img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.macro-grid figcaption { font-size: 13.5px; color: var(--muted); margin-top: 10px; line-height: 1.5; }
.macro-grid figcaption b { display: block; color: var(--ink); font-size: 14.5px; margin-bottom: 2px; font-family: var(--font-body); }
@media (max-width: 900px) { .macro-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .macro-grid { grid-template-columns: 1fr; } }

/* Material band (home): 2x2 large cards, brass hover */
.mat-band { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.mat { display: grid; grid-template-columns: 220px 1fr; gap: 22px; background: var(--paper); border: 1px solid var(--line); padding: 22px; align-items: center; transition: border-color .15s; }
.mat:hover { border-color: var(--brass); }
.mat img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.mat h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.mat p { color: var(--muted); font-size: 14.5px; margin: 6px 0 10px; line-height: 1.55; }
.mat-link { font-size: 13.5px; font-weight: 600; color: var(--walnut); border-bottom: 1px solid transparent; }
.mat-link:hover { border-bottom-color: var(--brass); }
@media (max-width: 900px) { .mat-band { grid-template-columns: 1fr; } .mat { grid-template-columns: 150px 1fr; } }

/* Story: magazine case blocks (large image + signature line + data line) */
.story { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: center; padding: 52px 0; border-bottom: 1px solid var(--line); }
.story:last-child { border-bottom: none; }
.story img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.story h3 { font-family: var(--font-display); font-size: clamp(24px, 2.6vw, 32px); font-weight: 600; margin-top: 10px; }
.story .story-lede { color: var(--muted); margin: 12px 0 16px; max-width: 52ch; font-size: 15.5px; }
.story-data { font-size: 13.5px; color: var(--ink); font-weight: 600; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.story-data a { color: var(--walnut); }
@media (max-width: 900px) { .story { grid-template-columns: 1fr; gap: 20px; padding: 36px 0; } }

/* Cert strip: 5 certs in one hairline row */
.cert-strip { display: flex; flex-wrap: wrap; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cert-strip a { flex: 1 1 170px; display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-right: 1px solid var(--line); }
.cert-strip a:last-child { border-right: none; }
.cert-strip img { width: 42px; height: 42px; object-fit: cover; flex: none; }
.cert-strip b { display: block; font-size: 13.5px; }
.cert-strip span { font-size: 12px; color: var(--muted); }
.cert-strip a:hover b { color: var(--walnut); }

/* Colour wall (lacquered page): 24 RAL swatches */
.colorwall { display: grid; grid-template-columns: repeat(8, 1fr); gap: 10px; }
.colorwall span, .colorwall div { aspect-ratio: 1; border: 1px solid rgba(0,0,0,.10); }
.colorwall i { display: block; font-size: 10.5px; font-style: normal; color: var(--muted); padding: 4px 6px 0; }
@media (max-width: 900px) { .colorwall { grid-template-columns: repeat(4, 1fr); } }

/* Gloss strip: 3 doors side by side */
.gloss-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gloss-strip img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.gloss-strip figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }
.gloss-strip figcaption b { display: block; color: var(--ink); font-family: var(--font-body); font-size: 14px; }
@media (max-width: 720px) { .gloss-strip { grid-template-columns: 1fr; } }

/* Tier cards (dealers config tiers) */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tier { background: var(--paper); border: 1px solid var(--line); padding: 28px; }
.tier.feat { border-color: var(--ink); }
.tier h3 { font-family: var(--font-display); font-size: 22px; margin-bottom: 4px; }
.tier-sub { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.tier ul li { padding: 11px 0; border-top: 1px solid var(--line-soft); font-size: 14px; }
.tier ul li b { display: block; font-size: 13px; }
.tier ul li span { color: var(--muted); font-size: 13px; }
@media (max-width: 900px) { .tier-grid { grid-template-columns: 1fr; } }

/* Case tags (projects: media / client / guide / commercial) */
.tag { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--walnut); border: 1px solid var(--line); padding: 3px 9px; margin: 0 6px 6px 0; }

/* Motion: hero one-shot fade (home only, in home.css) + FAQ open state */
details.faq-item[open] summary { color: var(--walnut); }
details.faq-item summary { transition: color .2s; }

/* v2.1 additions (2026-09-23 redesign P1-P2) */
.col-line-pos { font-family: var(--font-display); font-style: italic; font-size: 15px; color: var(--walnut); margin-top: 4px; }
.dim-strip-in.d5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1000px) { .dim-strip-in.d5 { grid-template-columns: repeat(3, 1fr); } .dim-strip-in.d5 .dim-item:nth-child(4) { border-left: none; padding-left: 0; } }
.steps-5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1100px) { .steps-5 { grid-template-columns: repeat(3, 1fr); } }
.feat { margin-bottom: 64px; }
.feat:last-child { margin-bottom: 0; }
.feat img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; border: 1px solid var(--line); border-radius: var(--radius); }
.feat h3 { font-family: var(--font-display); font-size: clamp(24px, 2.8vw, 34px); margin-top: 20px; letter-spacing: -0.01em; }
.feat .feat-tags { margin-top: 10px; }
.feat .feat-lede { color: var(--muted); max-width: 72ch; margin-top: 12px; font-size: 15.5px; line-height: 1.65; }
.feat .story-data { margin-top: 14px; }

/* project case pull-quote */
.case-quote { border-left: 3px solid var(--walnut); padding-left: 24px; font-family: var(--font-display);
  font-size: 26px; line-height: 1.4; font-weight: 500; max-width: 860px; color: var(--ink); }
@media (max-width: 720px) { .case-quote { font-size: 21px; padding-left: 18px; } }

/* ============================================================
   v2 design tokens + chrome (2026-09-29, Wave 1 restyle)
   Aligned to the new homepage: Instrument Sans / Inter, graphite
   neutral, hairline. Appended AFTER base rules so it wins the
   cascade on shared properties.
   ============================================================ */
:root {
  --walnut: #6E6960;
  --walnut-deep: #5C5850;
  --muted: #5C5850;
  --cream: #F5F3EF;
  --paper: #FFFFFF;
  --ink: #0F0E0D;
  --ink-soft: #3A3733;
  --line: #E4E1DA;
  --line-soft: #EDEAE3;
  --font-display: "Instrument Sans", Georgia, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
}
h1, h2 { font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: clamp(34px, 4.4vw, 52px); }
h2 { font-size: clamp(26px, 3vw, 36px); }

/* ---------- event ticker ---------- */
.ub { background: var(--ink); color: #C9C5BD; }
.ub .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 9px var(--pad); }
.ub span { font: 500 10px/1.4 var(--font-display); letter-spacing: .14em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ub a { color: #fff; }

/* ---------- v2 nav ---------- */
.v2nav { position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.97); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.v2nav .nav-in { display: flex; align-items: center; gap: 26px; height: 64px; }
.v2nav .lg { font: 700 19px/1 var(--font-display); letter-spacing: -.03em; white-space: nowrap; }
.v2nav .lg em { font: 400 19px/1 var(--font-display); font-style: normal; color: var(--walnut); }
.v2nav .v2links { display: flex; gap: 20px; margin-left: auto; }
.v2nav .v2links a { font: 600 11px/1 var(--font-display); letter-spacing: .13em; text-transform: uppercase; color: var(--ink-soft); padding: 10px 0 9px; border-bottom: 2px solid transparent; }
.v2nav .v2links a:hover { color: var(--ink); }
.v2nav .v2links a[aria-current] { color: var(--ink); border-bottom-color: var(--ink); }
.v2nav .v2cta { font: 600 11px/1 var(--font-display); letter-spacing: .13em; text-transform: uppercase; background: var(--ink); color: #fff; padding: 12px 18px; white-space: nowrap; }
.v2nav .v2cta:hover { background: var(--walnut-deep); }
.v2nav .v2burger { display: none; margin-left: 4px; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; font-size: 18px; cursor: pointer; align-items: center; justify-content: center; }
.v2nav .v2burger:hover { border-color: var(--ink); }
.v2mob { display: none; background: #fff; border-bottom: 1px solid var(--line); }
.v2mob.open { display: block; }
.v2mob a { display: block; padding: 13px var(--pad); font: 500 15px/1.4 var(--font-body); border-top: 1px solid var(--line-soft); }
.v2mob a.v2sub { padding-left: calc(var(--pad) + 18px); font-size: 13.5px; color: var(--muted); }
.v2mob a.v2ctam { font: 600 13px/1 var(--font-display); letter-spacing: .13em; text-transform: uppercase; border-top: 1px solid var(--line); }
@media (max-width: 960px) {
  .v2nav .v2links { display: none; }
  .v2nav .v2cta { margin-left: auto; }
  .v2nav .v2burger { display: flex; margin-left: 0; }
  .ub span:last-child { display: none; }
}

/* ---------- Wave 2 blocks (2026-09-29) ---------- */
.b2b-band{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.b2b-band .container{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:36px var(--pad)}
.b2b-band h3{font:600 22px/1.25 var(--font-display);letter-spacing:-.01em;margin-top:8px}
.b2b-band p{margin-top:8px;max-width:520px}
.b2b-band .acts{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:760px){.b2b-band .container{flex-direction:column;align-items:flex-start}}
.prows{margin-top:8px}
.prows a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:15px 0;border-top:1px solid var(--line)}
.prows a span{font:600 10.5px/1 var(--font-display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.prows a:hover{color:var(--walnut)}
.kicker.w2k{margin-bottom:14px}

.b2b-band .btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.b2b-band .btn-primary:hover{background:var(--walnut-deep);border-color:var(--walnut-deep);color:#fff}
.b2b-band .btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.b2b-band .btn-ghost:hover{border-color:var(--ink);color:var(--ink);background:transparent}

/* ---------- Wave 3 blocks (2026-09-30) ---------- */
.takeaway{border:1px solid var(--line);background:var(--cream);padding:24px 28px}
.takeaway ul{list-style:none;margin-top:14px;padding:0}
.takeaway li{padding:11px 0 11px 26px;position:relative;border-top:1px solid var(--line-soft);font-size:15px}
.takeaway li:first-child{border-top:0}
.takeaway li:before{content:"—";position:absolute;left:0;color:var(--walnut)}

/* ---------- Brand B - nav logo lockup ---------- */
.logo-lockup { display: inline-flex; align-items: center; gap: 6px; font-size: 0; flex: 0 0 auto; }
.logo-lockup img { height: 22px; width: auto; display: block; }
.logo-lockup .lm { font-family: "Jost", var(--font-body); font-weight: 500; font-size: 12px; letter-spacing: .08em; color: var(--ink); white-space: nowrap; }

.logo-lockup.inv .lm { color: #F4F1EA; }

/* ---------- B theme layer (Swiss Precision pilot) ---------- */
body.bpage { --cream:#FFFFFF; --paper:#FFFFFF; --ink:#1A1A1A; --ink-soft:#262626; --muted:#6B6B6B; --line:#E5E5E5; --line-soft:#EFEFEA; --walnut:#8C6A4A; --walnut-deep:#6E5238; --font-display:"Jost","Archivo",sans-serif; background:#FFFFFF; }
body.bpage h1, body.bpage h2 { font-weight:300; letter-spacing:-0.01em; }
body.bpage h3 { font-family:"Jost","Archivo",sans-serif; font-weight:400; letter-spacing:-0.005em; }
body.bpage .kicker::before { display:none; }
body.bpage .kicker { letter-spacing:.3em; font-weight:500; }
body.bpage .page-hero { background:#FFFFFF; border-bottom:1px solid #1A1A1A; }
body.bpage .page-hero h1 { font-size:clamp(44px,5.2vw,76px); font-weight:300; line-height:1.04; }
body.bpage .sec-head { border-bottom:1px solid #1A1A1A; padding-bottom:20px; margin-bottom:48px; }
body.bpage .sec-paper { background:#F4F4F0; }
body.bpage .card, body.bpage .faq-item, body.bpage .step, body.bpage .takeaway { border-radius:0; }
body.bpage .btn-primary { background:#1A1A1A; color:#FFFFFF; border-color:#1A1A1A; }
body.bpage .btn-primary:hover { background:#0000EE; border-color:#0000EE; }
body.bpage .btn-dark { background:#1A1A1A; color:#FFFFFF; border-color:#1A1A1A; }
body.bpage .btn-dark:hover { background:#0000EE; border-color:#0000EE; }
body.bpage p a:hover, body.bpage li a:hover, body.bpage .note a:hover, body.bpage figcaption a:hover { color:#0000EE; }
body.bpage :focus-visible { outline-color:#0000EE; }

/* WhatsApp floating button (all pages) */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:#1A1A1A;color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:background .2s,transform .2s;}
.wa-float:hover{background:#0000EE;transform:translateY(-2px);}
.wa-float:focus-visible{outline:2px solid #0000EE;outline-offset:3px;}
@media (max-width:760px){.wa-float{right:16px;bottom:16px;width:48px;height:48px;}}

/* ============ Nav v2 — Swiss unified (site-wide) ============ */
.n2-top{background:#1A1A1A;color:rgba(255,255,255,.78);}
.n2-top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:34px;font-family:"Jost",sans-serif;font-size:11.5px;letter-spacing:.05em;}
.n2-top-in a{color:#fff;text-decoration:none;}
.n2-top-in a:hover{text-decoration:underline;text-underline-offset:3px;}
.n2{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid rgba(26,26,26,.14);}
.n2-in{display:flex;align-items:center;height:68px;gap:28px;}
.n2-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.n2-links>a,.n2-drop>a{font-family:"Jost",sans-serif;font-weight:500;font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:rgba(26,26,26,.62);text-decoration:none;padding:10px 0;display:inline-flex;align-items:center;position:relative;}
.n2-links>a:hover,.n2-drop>a:hover{color:#1A1A1A;}
.n2-links>a:focus-visible,.n2-drop>a:focus-visible,.n2-cta:focus-visible{outline:2px solid #0000EE;outline-offset:3px;}
.n2-links>a[aria-current]::before,.n2-drop>a[aria-current]::before{content:"";position:absolute;left:0;right:0;bottom:2px;height:1.5px;background:#1A1A1A;}
.n2-links>a[aria-current],.n2-drop>a[aria-current]{color:#1A1A1A;}
.n2-drop{position:relative;}
.n2-drop>a::after{content:"";width:5px;height:5px;border-right:1.2px solid currentColor;border-bottom:1.2px solid currentColor;transform:rotate(45deg) translate(0,-2px);margin-left:8px;flex:0 0 auto;}
.n2-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border:1px solid rgba(26,26,26,.12);box-shadow:0 20px 44px rgba(26,26,26,.10);padding:20px 22px 16px;display:none;min-width:250px;}
.n2-drop:hover>.n2-menu,.n2-drop:focus-within>.n2-menu{display:block;}
.n2-drop:hover>.n2-menu-2c,.n2-drop:focus-within>.n2-menu-2c{display:grid;}
.n2-menu a{display:block;font-family:"Jost",sans-serif;font-weight:400;font-size:13.5px;letter-spacing:.02em;color:rgba(26,26,26,.70);text-decoration:none;padding:7px 0;}
.n2-menu a:hover{color:#0000EE;}
.n2-menu-2c{grid-template-columns:190px 190px;gap:0 40px;padding:20px 24px 14px;}
.n2-col-h{font-family:"Jost",sans-serif;font-size:10.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:rgba(26,26,26,.42);margin:0 0 10px;}
.n2-all{display:inline-block;margin-top:14px;font-family:"Jost",sans-serif;font-weight:500;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#1A1A1A;text-decoration:none;}
.n2-all:hover{color:#0000EE;}
.n2-cta{background:#1A1A1A;color:#fff;font-family:"Jost",sans-serif;font-weight:500;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;padding:13px 22px;white-space:nowrap;transition:background .18s;}
.n2-cta:hover{background:#0000EE;}
.n2-burger{display:none;width:44px;height:44px;background:none;border:1px solid rgba(26,26,26,.25);cursor:pointer;position:relative;flex:0 0 auto;}
.n2-burger span{position:absolute;left:11px;right:11px;height:1.5px;background:#1A1A1A;}
.n2-burger span:first-child{top:16px;}
.n2-burger span+span{bottom:16px;}
.n2-mob{position:fixed;inset:0;z-index:100;background:#fff;display:none;overflow-y:auto;}
.n2-mob.open{display:block;}
.n2-mob-x{position:absolute;top:16px;right:16px;width:44px;height:44px;background:none;border:1px solid rgba(26,26,26,.25);font-size:22px;line-height:1;color:#1A1A1A;cursor:pointer;}
.n2-mob-x:hover{background:#1A1A1A;color:#fff;}
.n2-mob-in{padding:72px 24px 56px;max-width:560px;margin:0 auto;}
.n2-mob-h{font-family:"Jost",sans-serif;font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:rgba(26,26,26,.42);margin:36px 0 8px;}
.n2-mob-h:first-child{margin-top:0;}
.n2-mob-in>a:not(.n2-mob-cta):not(.n2-mob-tel){display:block;font-family:"Jost",sans-serif;font-weight:300;font-size:27px;letter-spacing:.005em;color:#1A1A1A;text-decoration:none;padding:5px 0;}
.n2-mob-in a:hover{color:#0000EE;}
.n2-mob-cta{display:inline-block;margin-top:44px;background:#1A1A1A;color:#fff !important;font-family:"Jost",sans-serif;font-weight:500;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;padding:16px 30px;}
.n2-mob-cta:hover{background:#0000EE;}
.n2-mob-tel{display:block;margin-top:18px;font-family:"Jost",sans-serif;font-size:14px;color:rgba(26,26,26,.65);text-decoration:none;}
@media (max-width:1080px){.n2-links{display:none;}.n2-burger{display:block;margin-left:auto;}.n2-cta{margin-left:0;}}
@media (max-width:760px){.n2-top{display:none;}.n2-in{height:60px;}.n2-cta{padding:11px 16px;font-size:11px;}}

/* post: standards sources + author block (E-E-A-T / citation readiness) */
.post-sources { margin: 36px 0 0; padding-top: 20px; border-top: 1px solid var(--line); }
.post-sources h3 { font-family: var(--font-body); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.post-sources ul { padding-left: 20px; margin: 0; }
.post-sources li { font-size: 14px; line-height: 1.6; color: var(--ink-soft); margin-bottom: 6px; }
.post-sources a { color: var(--walnut); text-decoration: underline; text-underline-offset: 2px; }
.post-author { margin: 34px 0 0; padding: 20px 22px; background: #F4F4F0; border-radius: 0; }
.post-author p { font-size: 14.5px; line-height: 1.65; color: var(--ink-soft); margin: 0; }
.post-author strong { color: var(--ink); }

/* mobile nav: kill horizontal overflow at <=430px (measured 404.6px min -> 332px) */
@media (max-width:430px){
  .n2-in{gap:12px;padding-left:14px;padding-right:14px;}
  .n2-cta{padding:10px 14px;letter-spacing:.1em;}
}

/* ---------- Direct contact bar (WhatsApp only) — added 2026-10-01 ---------- */
.wa-cta{background:#fff;border-top:1px solid rgba(26,26,26,.14);padding:30px 0;}
.wa-cta-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.wa-cta-k{font-family:"Jost",sans-serif;font-weight:500;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#128C4B;display:block;margin-bottom:6px;}
.wa-cta-txt strong{font-size:18px;font-weight:600;color:#1A1A1A;display:block;margin-bottom:4px;}
.wa-cta-txt span:last-child{font-size:13.5px;color:rgba(26,26,26,.6);}
.wa-cta-btns{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.wa-cta-btn{display:inline-flex;align-items:center;gap:9px;background:#25D366;color:#04351A;font-family:"Jost",sans-serif;font-weight:600;font-size:14px;letter-spacing:.02em;padding:13px 22px;border-radius:999px;text-decoration:none;transition:background .2s,transform .2s;}
.wa-cta-btn:hover{background:#1FBE55;transform:translateY(-2px);}
.wa-cta-btn svg{width:17px;height:17px;flex:none;}
@media (max-width:760px){
.wa-cta-in{flex-direction:column;align-items:stretch;text-align:center;}
.wa-cta-txt{display:flex;flex-direction:column;align-items:center;}
.wa-cta-btns{justify-content:center;width:100%;}
.wa-cta-btn{flex:1;justify-content:center;}
}

/* wa-float: iPhone 底部安全区适配（2026-10-07） */
@media (max-width:760px){.wa-float{bottom:calc(16px + env(safe-area-inset-bottom,0px));}}

/* wa-float v2 (2026-10-07)：桌面显示文字标签；过渡与隐藏态 */
.wa-float{transition:opacity .2s ease,transform .2s ease,background .2s ease;}
.wa-float--hid{opacity:0;transform:translateY(12px);pointer-events:none;}
@media (min-width:761px){
  .wa-float{width:auto;height:52px;padding:0 20px 0 18px;border-radius:999px;gap:10px;}
  .wa-float::after{content:"Chat on WhatsApp";white-space:nowrap;font:600 15px/1 'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;}
}
@media (prefers-reduced-motion:reduce){.wa-float{transition:none;}}

/* wa-float v3 (2026-10-07)：桌面静止仍为 52px 圆（避免遮挡正文），hover/focus 展开为文字胶囊。
   覆盖 v2 中 min-width:761px 的常显胶囊规则（同权重、位置更靠后）。 */
@media (min-width:761px){
  .wa-float{width:52px;height:52px;padding:0;border-radius:50%;gap:0;
            transition:width .22s ease,max-width .22s ease,padding .22s ease,border-radius .22s ease,background .2s ease,transform .2s ease;}
  .wa-float::after{content:"";max-width:0;overflow:hidden;white-space:nowrap;opacity:0;
                   font:600 15px/1 'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
                   transition:max-width .22s ease,opacity .18s ease;}
  .wa-float:hover,.wa-float:focus-visible{width:auto;padding:0 20px 0 18px;border-radius:999px;gap:10px;background:#0000EE;}
  .wa-float:hover::after,.wa-float:focus-visible::after{content:"Chat on WhatsApp";max-width:220px;opacity:1;}
}