/* Revyo Pack — corporate export visual system
   Direction follows the buyer-facing B2B template: navy ground for trust,
   teal for action, 14px radius cards on a light grey page, system font
   stack, generous section rhythm. Nudge variables are consumed below; the
   defaults reproduce this look. */

:root {
  /* Nudge-consumed tokens */
  --site-bg: #f7f8f6;
  --site-fg: #132635;
  --site-accent: #17666b;
  --site-on-accent: #ffffff;
  --site-surface: #ffffff;
  --site-muted: #5b6f80;
  --site-border: #dce6ef;
  --site-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
    "Helvetica Neue", Arial, "Noto Sans", "Microsoft YaHei", sans-serif;

  --site-space: 1;
  --site-type: 1;
  --site-motion: 1;
  --site-radius: 14px;

  /* fixed brand palette (template-aligned) */
  --navy: #0a2b4a;
  --navy-800: #081f36;
  --navy-700: #123d63;
  --teal: #23949a;          /* structural only: bars, borders, focus rings, hover */
  --teal-700: #17666b;      /* accent TEXT — ≥4.5:1 on white for WCAG AA */
  --teal-50: #e9f5f6;
  --line-2: #eaf0f5;
  --muted-2: #7c8fa0;
  --amber: #c8871a;         /* caution callouts (.warn) */
  --brand-green: #1d5c3f;   /* trademark green — brand accents, sustainability */
  /* single conversion colour, reserved for primary CTA buttons only.
     white text on --cta = 5.0:1, passes WCAG AA for normal + large text. */
  --cta: #b45309;
  --cta-hover: #93400a;

  --mono: "SFMono-Regular", "Roboto Mono", Menlo, Consolas, monospace;
  --rule: 1px solid var(--site-border);
  --shadow: 0 10px 30px rgba(10, 43, 74, 0.07);
  --shadow-lg: 0 22px 60px rgba(10, 43, 74, 0.13);
  --maxw: 1180px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--site-bg);
  color: var(--site-fg);
  font-family: var(--site-font);
  font-size: calc(16px * var(--site-type));
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; display: block; }

a { color: var(--site-accent); text-decoration: none; }
a:hover { color: var(--navy); }

h1, h2, h3, h4 { color: var(--navy); line-height: 1.2; margin: 0 0 calc(12px * var(--site-space)); letter-spacing: -0.015em; }
h1 { font-size: clamp(calc(32px * var(--site-type)), 4.2vw, calc(54px * var(--site-type))); font-weight: 800; }
h2 { font-size: clamp(calc(24px * var(--site-type)), 2.8vw, calc(36px * var(--site-type))); font-weight: 800; }
h3 { font-size: calc(18px * var(--site-type)); font-weight: 750; }
p { margin: 0 0 calc(15px * var(--site-space)); }
strong { color: var(--navy); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 calc(22px * var(--site-space)); }
.stack { display: grid; gap: calc(20px * var(--site-space)); }
.row { display: flex; flex-wrap: wrap; gap: calc(12px * var(--site-space)); }

/* ---------- top bar ---------- */
.topbar { background: var(--navy); color: #c9d8e5; font-size: calc(12.5px * var(--site-type)); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: calc(36px * var(--site-space)); flex-wrap: wrap; }
.topbar-links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topbar a { color: #dce9f2; }
.topbar a:hover { color: #fff; }
.topbar .wa-link { color: #7fe0d9; font-weight: 650; }

/* ---------- header ---------- */
.site-head {
  background: var(--site-surface);
  border-bottom: var(--rule);
  position: sticky; top: 0; z-index: 40;
}
.site-head .wrap {
  display: flex; align-items: center; gap: calc(18px * var(--site-space));
  min-height: calc(68px * var(--site-space)); position: relative;
}
.brand { display: flex; align-items: center; }
.brand svg { display: block; }
.brand img { display: block; height: calc(46px * var(--site-space)); width: auto; }
.menu-toggle { display: none; margin-left: auto; background: none; border: var(--rule); border-radius: 8px; width: 42px; height: 38px; cursor: pointer; position: relative; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 10px; width: 20px; height: 2px; background: var(--navy); transition: calc(180ms * var(--site-motion)) ease; }
.menu-toggle span { top: 18px; }
.menu-toggle span::before { left: 0; top: -6px; }
.menu-toggle span::after { left: 0; top: 6px; }

.nav { display: flex; align-items: center; gap: calc(4px * var(--site-space)); margin-left: auto; }
.nav > ul { display: flex; align-items: center; gap: calc(4px * var(--site-space)); list-style: none; margin: 0; padding: 0; }
.nav > ul > li { position: relative; }
.nav > ul > li > a {
  display: block; padding: 10px 12px; color: var(--site-fg);
  font-size: calc(14px * var(--site-type)); font-weight: 600; border-radius: 8px;
}
.nav > ul > li > a:hover { background: var(--teal-50); color: var(--navy); }
.nav > ul > li > a[aria-current="page"] { color: var(--teal-700); }
.nav > ul > li > a[aria-current="page"]::after { content: ""; display: block; height: 2px; background: var(--teal); border-radius: 2px; margin-top: 2px; }

.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 260px;
  background: var(--site-surface); border: var(--rule); border-radius: 12px;
  box-shadow: var(--shadow-lg); padding: 10px; z-index: 50;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity calc(160ms * var(--site-motion)) ease, transform calc(160ms * var(--site-motion)) ease, visibility 0s linear calc(160ms * var(--site-motion));
}
.has-dropdown:hover > .dropdown,
.has-dropdown:focus-within > .dropdown,
.has-dropdown.open > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); transition-delay: 0s; }
.dropdown.mega { width: 620px; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 8px; left: -140px; }
.dropdown a { display: block; padding: 9px 12px; border-radius: 7px; color: var(--site-fg); font-size: calc(13.5px * var(--site-type)); font-weight: 600; }
.dropdown a:hover { background: var(--teal-50); color: var(--navy); }
.dropdown a small { display: block; color: var(--muted-2); font-size: calc(11.5px * var(--site-type)); font-weight: 400; line-height: 1.35; margin-top: 1px; }
.dd-toggle { display: none; }

.cta-head, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--cta); color: var(--site-on-accent); border: 1px solid transparent;
  border-radius: calc(var(--site-radius) - 6px); padding: 12px 20px;
  font-family: inherit; font-size: calc(14.5px * var(--site-type)); font-weight: 700;
  line-height: 1.2; cursor: pointer; white-space: nowrap;
  transition: background calc(180ms * var(--site-motion)) ease, transform calc(180ms * var(--site-motion)) ease;
}
.cta-head:hover, .btn:hover { background: var(--cta-hover); color: var(--site-on-accent); transform: translateY(-1px); }
.cta-head { padding: 10px 16px; font-size: calc(13.5px * var(--site-type)); }
.btn-ghost { background: transparent; color: var(--site-accent); border-color: var(--site-border); }
.btn-ghost:hover { background: var(--teal-50); color: var(--teal-700); border-color: var(--teal); }
.btn-dark { background: var(--navy); }
.btn-dark:hover { background: var(--navy-700); }
.page-hero .btn-ghost, .cta-band .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.page-hero .btn-ghost:hover, .cta-band .btn-ghost:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

/* ---------- home hero ---------- */
.hero {
  background:
    radial-gradient(600px 300px at 85% -10%, rgba(46, 163, 168, 0.25), transparent 60%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-700) 62%, #17516e 100%);
  color: #d7e4ee; position: relative; overflow: hidden;
}
.hero::after { content: ""; position: absolute; right: -120px; top: -160px; width: 460px; height: 460px; border-radius: 50%; border: 1px solid rgba(46, 163, 168, 0.28); }
.hero::before { content: ""; position: absolute; right: 40px; bottom: -220px; width: 420px; height: 420px; border-radius: 50%; background: rgba(46, 163, 168, 0.08); }
.hero .wrap { position: relative; z-index: 1; }
.hero-inner { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: calc(48px * var(--site-space)); align-items: center; padding: calc(72px * var(--site-space)) 0 calc(64px * var(--site-space)); }
.hero-brand { display: inline-flex; align-items: center; background: #fff; border-radius: var(--site-radius); padding: 12px 20px; box-shadow: 0 16px 38px rgba(4, 18, 30, 0.38); margin-bottom: calc(22px * var(--site-space)); }
.hero-brand img { display: block; height: calc(72px * var(--site-space)); width: auto; }
.hero h1 { color: #fff; margin-bottom: calc(18px * var(--site-space)); }
.hero h1 em { font-style: normal; color: #6fd3cc; }
.hero-lead { font-size: calc(17px * var(--site-type)); color: #bed0dd; max-width: 620px; margin-bottom: calc(26px * var(--site-space)); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: calc(26px * var(--site-space)); }
.hero-chips { display: flex; gap: 8px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.18);
  color: #dceaf3; border-radius: 999px; padding: 6px 13px;
  font-size: calc(12.5px * var(--site-type));
}
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #6fd3cc; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--site-radius); border: 1px solid rgba(255, 255, 255, 0.14); box-shadow: 0 26px 54px rgba(4, 18, 30, 0.45); }
.hero-note {
  position: absolute; right: 10px; bottom: -18px; background: var(--site-surface);
  border: var(--rule); border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow-lg);
  font-size: calc(12px * var(--site-type)); color: var(--site-muted); max-width: 250px;
}
.hero-note b { display: block; color: var(--navy); font-size: calc(14.5px * var(--site-type)); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: calc(12px * var(--site-type)); font-weight: 800; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--teal-700); margin-bottom: calc(14px * var(--site-space));
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--brand-green); }
.hero .eyebrow, .page-hero .eyebrow { color: #7fe0d9; }
.hero .eyebrow::before, .page-hero .eyebrow::before { background: #6fd3cc; }

/* ---------- trust strip ---------- */
.trust { border-bottom: var(--rule); background: var(--site-surface); }
.trust-grid { display: grid; grid-template-columns: repeat(6, 1fr); padding: calc(20px * var(--site-space)) 0; }
.trust-item { text-align: center; padding: 4px 12px; border-right: 1px solid var(--line-2); }
.trust-item:last-child { border-right: 0; }
.trust-item b { display: block; font-size: calc(17px * var(--site-type)); color: var(--navy); letter-spacing: -0.01em; }
.trust-item span { font-size: calc(11.5px * var(--site-type)); color: var(--site-muted); line-height: 1.35; display: block; margin-top: 2px; }

/* ---------- sections ---------- */
section { padding: calc(64px * var(--site-space)) 0; }
section.tight { padding: calc(44px * var(--site-space)) 0; }
section.alt { background: var(--site-surface); }
.sec-head, .section-head { max-width: 780px; margin-bottom: calc(32px * var(--site-space)); }
.sec-head { display: block; }
.sec-head h2, .section-head h2 { margin-bottom: 10px; }
.sec-head p, .section-head p { color: var(--site-muted); font-size: calc(16px * var(--site-type)); margin: 0; }
.sec-head a { font-weight: 700; }
.lede { font-size: calc(17px * var(--site-type)); color: var(--site-muted); max-width: 68ch; }

/* ---------- cards ---------- */
.grid { display: grid; gap: calc(20px * var(--site-space)); grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card {
  background: var(--site-surface); border: var(--rule); border-radius: var(--site-radius);
  padding: calc(24px * var(--site-space)); display: flex; flex-direction: column; gap: 8px;
  position: relative; transition: box-shadow calc(200ms * var(--site-motion)) ease, transform calc(200ms * var(--site-motion)) ease, border-color calc(200ms * var(--site-motion)) ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #c9d9e5; }
.card h3 { margin: 0; font-size: calc(16.5px * var(--site-type)); }
.card h3 a { color: var(--navy); }
.card h3 a:hover { color: var(--teal-700); }
.card p { margin: 0; color: var(--site-muted); font-size: calc(13.5px * var(--site-type)); }
.card .kicker, .card .tag {
  font-size: calc(10.5px * var(--site-type)); font-weight: 800; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--teal-700);
}
.card ul { margin: auto 0 0; padding-left: 18px; font-size: calc(13px * var(--site-type)); color: var(--site-muted); }
.card-link { display: inline-flex; align-items: center; gap: 6px; font-size: calc(13px * var(--site-type)); font-weight: 700; color: var(--teal-700); margin-top: calc(12px * var(--site-space)); }
.card-link::after { content: "→"; transition: transform calc(180ms * var(--site-motion)) ease; }
.card:hover .card-link::after { transform: translateX(3px); }

.card-media {
  margin: calc(-24px * var(--site-space)) calc(-24px * var(--site-space)) calc(14px * var(--site-space));
  border-radius: var(--site-radius) var(--site-radius) 0 0; overflow: hidden;
  background: var(--teal-50); aspect-ratio: 16 / 10;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform calc(350ms * var(--site-motion)) ease; }
.card:hover .card-media img { transform: scale(1.035); }

/* ---------- brand wall (supply history, trademarks owned by others) ---------- */
.brand-grid { display: grid; gap: calc(14px * var(--site-space)); grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.brand-card {
  background: var(--site-surface); border: var(--rule); border-radius: var(--site-radius);
  padding: calc(18px * var(--site-space)) calc(14px * var(--site-space));
  display: grid; justify-items: center; align-content: start; gap: 6px; text-align: center;
}
.brand-card img { height: calc(52px * var(--site-space)); width: auto; max-width: 100%; object-fit: contain; }
.brand-card b { font-size: calc(14px * var(--site-type)); color: var(--navy); }
.brand-card span { font-size: calc(12px * var(--site-type)); color: var(--site-muted); line-height: 1.45; }
.brandwall-note { max-width: 86ch; margin-top: calc(16px * var(--site-space)); }
@media (max-width: 640px) { .brand-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- process steps ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(18px * var(--site-space)); counter-reset: step; }
.process-step { position: relative; padding: calc(22px * var(--site-space)); border: var(--rule); border-radius: var(--site-radius); background: var(--site-surface); }
.process-step::before {
  counter-increment: step; content: "0" counter(step); display: block;
  font-size: calc(12px * var(--site-type)); font-weight: 800; letter-spacing: 0.14em;
  color: var(--teal-700); margin-bottom: 10px;
}
.process-step h3 { font-size: calc(15px * var(--site-type)); margin-bottom: 6px; }
.process-step p { font-size: calc(13px * var(--site-type)); color: var(--site-muted); margin: 0; }

/* ---------- photography and film ---------- */
.fig { margin: calc(20px * var(--site-space)) 0; }
.fig img, .fig video {
  width: 100%; height: auto; display: block; border: var(--rule);
  border-radius: var(--site-radius); background: var(--site-surface);
}
.fig video { aspect-ratio: 16 / 9; object-fit: contain; background: #0c1a26; border-color: var(--navy); }
.fig figcaption { margin-top: 9px; font-size: calc(12.5px * var(--site-type)); letter-spacing: 0.01em; color: var(--muted-2); }
.fig-wide img, .fig-wide video { max-width: 100%; }
.aside-box .fig { margin: 0 0 calc(14px * var(--site-space)); }
.aside-box .fig img { object-fit: cover; aspect-ratio: 4 / 3; }

/* ---------- spec table ---------- */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: calc(14px * var(--site-type)); background: var(--site-surface); }
caption { text-align: left; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
th, td { text-align: left; padding: calc(12px * var(--site-space)) 14px; border-bottom: 1px solid var(--line-2); vertical-align: top; }
thead th { background: #f1f6f9; color: #41596b; font-size: calc(11px * var(--site-type)); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 800; border-bottom: var(--rule); }
tbody th { width: 30%; font-weight: 650; color: var(--navy); background: #f7fafc; }
tr:last-child td, tr:last-child th { border-bottom: 0; }
td.num { font-family: var(--mono); font-size: calc(13.5px * var(--site-type)); }

/* ---------- callouts ---------- */
.note { background: var(--teal-50); border-left: 3px solid var(--teal); border-radius: 0 8px 8px 0; padding: calc(14px * var(--site-space)) calc(18px * var(--site-space)); font-size: calc(14.5px * var(--site-type)); color: #24535a; margin: calc(18px * var(--site-space)) 0; }
.note a { color: var(--teal-700); font-weight: 700; }
.warn { background: #fff9ee; border-left: 3px solid var(--amber); border-radius: 0 8px 8px 0; padding: calc(14px * var(--site-space)) calc(18px * var(--site-space)); font-size: calc(14.5px * var(--site-type)); color: #6b5428; margin: calc(18px * var(--site-space)) 0; }
.tbf { font-family: var(--mono); font-size: 0.86em; background: #fdf3d7; border: 1px solid #e6cf94; color: #6b5313; padding: 1px 6px; border-radius: 4px; white-space: nowrap; }
.internal-only { display: none; }

/* ---------- page hero (interior pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-700) 62%, #17516e 100%);
  color: #d7e4ee; padding: calc(56px * var(--site-space)) 0 calc(50px * var(--site-space));
  position: relative; overflow: hidden;
}
.page-hero::after { content: ""; position: absolute; right: -120px; top: -160px; width: 460px; height: 460px; border-radius: 50%; border: 1px solid rgba(46, 163, 168, 0.28); }
.page-hero::before { content: ""; position: absolute; right: 40px; bottom: -220px; width: 420px; height: 420px; border-radius: 50%; background: rgba(46, 163, 168, 0.08); }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 14px; }
.page-hero .lede, .page-hero p.lede { color: #bed0dd; font-size: calc(16.5px * var(--site-type)); max-width: 760px; margin: 0; }
.breadcrumbs { display: flex; gap: 7px; flex-wrap: wrap; font-size: calc(12.5px * var(--site-type)); color: #8fb0c6; margin-bottom: calc(18px * var(--site-space)); }
.breadcrumbs a { color: #b9d1e0; }
.breadcrumbs a:hover { color: #fff; }
.breadcrumbs span { color: #6e93ab; }
.crumbs { display: none; }

/* ---------- in-page jump navigation ---------- */
.jumpnav { display: flex; flex-wrap: wrap; gap: 8px; margin: calc(22px * var(--site-space)) 0 calc(6px * var(--site-space)); }
.jumpnav a {
  font-size: calc(12px * var(--site-type)); font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--navy); background: var(--site-surface);
  border: var(--rule); border-radius: 999px; padding: 8px 14px;
  transition: border-color calc(160ms * var(--site-motion)) ease, color calc(160ms * var(--site-motion)) ease;
}
.jumpnav a:hover { border-color: var(--teal); color: var(--teal-700); }
.page-hero .jumpnav a { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.22); color: #dceaf3; }
.page-hero .jumpnav a:hover { border-color: #6fd3cc; color: #fff; }

/* ---------- two column layout ---------- */
.split { display: grid; gap: calc(38px * var(--site-space)); grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); align-items: start; }
.aside-box {
  background: #f7fcfc; border: 1px solid #bfe3e5; border-radius: var(--site-radius);
  padding: calc(22px * var(--site-space)); position: sticky; top: calc(104px * var(--site-space));
}
.aside-box h3 { font-size: calc(16px * var(--site-type)); }
.aside-box ul { padding-left: 18px; margin: 0 0 16px; font-size: calc(14px * var(--site-type)); }
.aside-box .hint { margin-top: 12px; }
.aside-box .btn { width: 100%; }

/* ---------- pager ---------- */
.pager { display: flex; gap: 10px; flex-wrap: wrap; padding-top: calc(20px * var(--site-space)); }
.pager a { border: var(--rule); background: var(--site-surface); color: var(--navy); padding: 9px 15px; border-radius: 999px; font-size: calc(13.5px * var(--site-type)); font-weight: 600; transition: border-color calc(160ms * var(--site-motion)) ease, color calc(160ms * var(--site-motion)) ease; }
.pager a:hover { border-color: var(--teal); color: var(--teal-700); }

/* ---------- forms ---------- */
form.rfq {
  display: grid; gap: calc(16px * var(--site-space)); max-width: 780px;
  background: var(--site-surface); border: var(--rule); border-radius: var(--site-radius);
  padding: calc(30px * var(--site-space)); box-shadow: var(--shadow);
}
label { display: block; font-size: calc(12.5px * var(--site-type)); font-weight: 700; color: #40596b; margin-bottom: 5px; }
input, select, textarea {
  width: 100%; font-family: inherit; font-size: calc(14.5px * var(--site-type)); color: var(--site-fg);
  background: var(--site-surface); border: var(--rule); border-radius: 8px;
  padding: calc(11px * var(--site-space)) 12px; transition: border-color calc(150ms * var(--site-motion)) ease, box-shadow calc(150ms * var(--site-motion)) ease;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(46, 163, 168, 0.13); }
textarea { min-height: 120px; resize: vertical; }
.field-grid { display: grid; gap: calc(16px * var(--site-space)); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.hint { font-size: calc(12.5px * var(--site-type)); color: var(--muted-2); margin-top: 5px; font-weight: 400; }
.hp { position: absolute; left: -9999px; }
.form-status { font-size: calc(14px * var(--site-type)); }
.btn[type="submit"] { border: 0; }

/* ---------- faq ---------- */
.faq { border-top: var(--rule); }
.faq details, details.faq-item { border-bottom: var(--rule); }
.faq summary, details summary {
  list-style: none; cursor: pointer; padding: calc(18px * var(--site-space)) 34px calc(18px * var(--site-space)) 0;
  font-weight: 700; color: var(--navy); position: relative; font-size: calc(14.5px * var(--site-type));
}
summary::-webkit-details-marker { display: none; }
.faq summary::after, details summary::after {
  content: "+"; position: absolute; right: 2px; top: calc(14px * var(--site-space));
  font-size: calc(20px * var(--site-type)); font-weight: 400; color: var(--teal-700);
  transition: transform calc(200ms * var(--site-motion)) ease;
}
.faq details[open] summary::after, details[open] summary::after { transform: rotate(45deg); }
.faq details p, details p { margin: 0 0 calc(18px * var(--site-space)); color: var(--site-muted); font-size: calc(14px * var(--site-type)); max-width: 820px; }
details { border-bottom: var(--rule); }

/* ---------- cta band ---------- */
.cta-band { background: var(--navy); color: #fff; padding: calc(52px * var(--site-space)) 0; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: -80px; top: -120px; width: 360px; height: 360px; border-radius: 50%; background: rgba(46, 163, 168, 0.12); }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: clamp(calc(22px * var(--site-type)), 2.2vw, calc(28px * var(--site-type))); margin-bottom: 5px; }
.cta-band p { color: #b9cad8; margin: 0; font-size: calc(14px * var(--site-type)); max-width: 60ch; }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- chat dock: WhatsApp + email ---------- */
.chat-dock {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.chat-panel {
  width: min(344px, calc(100vw - 32px));
  background: var(--site-bg); border: var(--rule); border-radius: var(--site-radius);
  box-shadow: 0 24px 60px rgba(8, 31, 54, 0.26);
  overflow: hidden;
  opacity: 0; visibility: hidden; transform: translateY(12px) scale(0.985);
  transition: opacity calc(180ms * var(--site-motion)) ease,
    transform calc(180ms * var(--site-motion)) ease,
    visibility 0s linear calc(180ms * var(--site-motion));
}
.chat-dock.open .chat-panel {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity calc(180ms * var(--site-motion)) ease,
    transform calc(180ms * var(--site-motion)) ease, visibility 0s;
}
.chat-head { display: flex; align-items: center; gap: 10px; padding: 13px 13px 13px 15px; background: var(--navy); color: #fff; }
.chat-avatar { display: inline-flex; background: #fff; border-radius: 9px; padding: 4px 6px; flex: 0 0 auto; }
.chat-avatar img { display: block; height: 28px; width: auto; }
.chat-headtext { display: grid; gap: 3px; min-width: 0; }
.chat-headtext b { font-size: calc(13.5px * var(--site-type)); letter-spacing: -0.01em; }
.chat-headtext small { display: flex; align-items: center; gap: 6px; color: #a8c0d4; font-size: calc(11.5px * var(--site-type)); }
.chat-dot { width: 7px; height: 7px; border-radius: 50%; background: #35c46f; flex: 0 0 7px; }
.chat-x {
  margin-left: auto; background: rgba(255, 255, 255, 0.1); border: 0; color: #fff;
  width: 28px; height: 28px; border-radius: 8px; cursor: pointer; padding: 0;
  display: inline-flex; align-items: center; justify-content: center; flex: 0 0 28px;
}
.chat-x:hover { background: rgba(255, 255, 255, 0.24); }
.chat-x svg { width: 15px; height: 15px; fill: #fff; }
.chat-body { padding: 14px 15px 4px; display: grid; gap: 8px; }
.chat-bubble {
  margin: 0; max-width: 94%; background: var(--site-surface); border: var(--rule);
  border-radius: 12px 12px 12px 4px; padding: 9px 11px;
  font-size: calc(12.8px * var(--site-type)); line-height: 1.55; color: #2c4356;
}
.chat-acts { display: grid; gap: 8px; padding: 12px 15px 6px; }
.chat-act {
  display: flex; align-items: center; gap: 11px; padding: 11px 12px;
  border-radius: 11px; border: var(--rule); background: var(--site-surface);
  transition: border-color calc(160ms * var(--site-motion)) ease,
    transform calc(160ms * var(--site-motion)) ease;
}
.chat-act:hover { border-color: var(--teal); transform: translateY(-1px); }
.chat-act svg { width: 22px; height: 22px; flex: 0 0 22px; }
.chat-act-wa svg { fill: #1fa855; }
.chat-act-mail svg { fill: var(--teal-700); }
.chat-act-text { display: grid; gap: 2px; min-width: 0; }
.chat-act-text b { font-size: calc(13.2px * var(--site-type)); color: var(--navy); }
.chat-act-text small { font-size: calc(11.5px * var(--site-type)); color: var(--site-muted); overflow-wrap: anywhere; }
.chat-go { margin-left: auto; color: var(--muted-2); font-size: 20px; line-height: 1; }
.chat-foot {
  margin: 0; padding: 10px 15px 13px; border-top: var(--rule);
  font-size: calc(11.5px * var(--site-type)); color: var(--site-muted);
}
.chat-foot a { color: var(--teal-700); font-weight: 700; }
.chat-launch {
  position: relative; display: inline-flex; align-items: center; gap: 9px;
  background: var(--navy); color: #fff; border: 0; border-radius: 999px;
  padding: 13px 18px; font: inherit; font-size: calc(13.5px * var(--site-type));
  font-weight: 700; cursor: pointer;
  box-shadow: 0 12px 30px rgba(8, 31, 54, 0.28);
  transition: transform calc(180ms * var(--site-motion)) ease,
    background calc(180ms * var(--site-motion)) ease;
}
.chat-launch:hover { background: var(--navy-700); color: #fff; transform: translateY(-2px); }
.chat-launch svg { width: 20px; height: 20px; fill: #fff; flex: 0 0 20px; }
.chat-launch::after {
  content: ""; position: absolute; top: -1px; right: -1px; width: 11px; height: 11px;
  border-radius: 50%; background: #35c46f; box-shadow: 0 0 0 2px var(--navy);
}
.chat-dock.open .chat-launch::after { display: none; }
.chat-ico-open { display: inline-flex; }
.chat-ico-close { display: none; }
.chat-dock.open .chat-ico-open { display: none; }
.chat-dock.open .chat-ico-close { display: inline-flex; }
.chat-ico-close svg { width: 18px; height: 18px; flex: 0 0 18px; }
/* On short viewports the second guidance bubble is the first thing to go, so
   both channels stay above the fold. */
@media (max-height: 640px) {
  .chat-body .chat-bubble + .chat-bubble { display: none; }
}

/* ---------- footer ---------- */
.site-foot { background: var(--navy-800); color: #8ea6bc; font-size: calc(13.5px * var(--site-type)); padding: calc(56px * var(--site-space)) 0 0; margin-top: 0; }
.foot-grid { display: grid; gap: calc(30px * var(--site-space)); grid-template-columns: 1.6fr repeat(auto-fit, minmax(160px, 1fr)); padding-bottom: calc(38px * var(--site-space)); }
.foot-brand .brand-chip { display: inline-flex; align-items: center; background: #fff; border-radius: 12px; padding: 10px 16px; }
.foot-brand .brand-chip img { display: block; height: calc(46px * var(--site-space)); width: auto; }
.foot-brand p { margin: 14px 0 0; max-width: 34ch; color: #8ea6bc; }
.foot-brand .foot-marks { margin-top: 16px; display: grid; gap: 6px; font-size: calc(12.5px * var(--site-type)); }
.foot-brand .foot-marks a { color: #b9cad8; }
.foot-brand .foot-marks a:hover { color: #fff; }
.foot-grid h4 { font-size: calc(11.5px * var(--site-type)); font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: #d7e4ee; margin: 0 0 14px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-grid a { color: #8ea6bc; }
.foot-grid a:hover { color: #fff; }
.foot-disclaimer { max-width: 78ch; color: #718ba0; font-size: calc(12.5px * var(--site-type)); }
.foot-legal { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: calc(18px * var(--site-space)) 0 calc(24px * var(--site-space)); color: #718ba0; font-size: calc(11.5px * var(--site-type)); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-legal a { color: #8ea6bc; }
.foot-legal a:hover { color: #fff; }

/* ---------- misc ---------- */
.kicker { font-size: calc(11.5px * var(--site-type)); font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal-700); margin-bottom: 8px; }
.pill-row { display: flex; gap: 7px; flex-wrap: wrap; }
.pill { display: inline-block; background: var(--site-bg); border: var(--rule); border-radius: 999px; padding: 6px 11px; font-size: calc(12px * var(--site-type)); color: #40596b; }
.stat-card { background: var(--site-surface); border: var(--rule); border-radius: var(--site-radius); padding: calc(22px * var(--site-space)); }
.stat-card b { display: block; font-size: calc(30px * var(--site-type)); line-height: 1.1; color: var(--navy); letter-spacing: -0.03em; }
.stat-card span { font-size: calc(12.5px * var(--site-type)); color: var(--site-muted); display: block; margin-top: 4px; }

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

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: calc(34px * var(--site-space)); padding: calc(52px * var(--site-space)) 0 calc(56px * var(--site-space)); }
  .hero-visual { max-width: 620px; }
  .trust-grid { grid-template-columns: repeat(3, 1fr); row-gap: 16px; }
  .trust-item:nth-child(3) { border-right: 0; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: calc(30px * var(--site-space)); }
  .aside-box { position: static; }
  .dropdown.mega { width: min(620px, calc(100vw - 44px)); left: 0; }
}

@media (max-width: 820px) {
  .topbar .wrap { justify-content: center; text-align: center; padding: 6px calc(22px * var(--site-space)); }
  .topbar-links { gap: 12px; }
  .site-head .wrap { min-height: calc(64px * var(--site-space)); }
  .menu-toggle { display: block; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--site-surface); border-bottom: var(--rule); box-shadow: var(--shadow);
    padding: 10px calc(22px * var(--site-space)) calc(22px * var(--site-space));
    max-height: calc(100vh - 64px); overflow: auto; margin-left: 0;
  }
  .nav.open { display: block; }
  .nav > ul { display: block; }
  .nav > ul > li { border-bottom: 1px solid var(--line-2); }
  .nav > ul > li > a { padding: 13px 0; font-size: calc(15px * var(--site-type)); border-radius: 0; }
  .nav > ul > li > a:hover { background: none; }
  .nav > ul > li > a[aria-current="page"]::after { display: none; }
  .has-dropdown > .row-dd { display: flex; align-items: center; justify-content: space-between; }
  .dd-toggle {
    display: block; background: none; border: var(--rule); border-radius: 7px;
    width: 34px; height: 34px; cursor: pointer; color: var(--navy);
    font-size: 16px; line-height: 1; margin: 6px 0;
  }
  .dropdown, .dropdown.mega {
    position: static; width: auto; min-width: 0; opacity: 1; visibility: visible;
    transform: none; box-shadow: none; border: 0; border-radius: 0;
    padding: 0 0 8px 10px; display: none; grid-template-columns: 1fr;
    transition: none;
  }
  .has-dropdown.open > .dropdown { display: grid; }
  .has-dropdown.open > .dropdown:not(.mega) { display: block; }
  .cta-head { display: none; }
  .nav .nav-cta-mobile { display: block; margin-top: 14px; }
  section { padding: calc(46px * var(--site-space)) 0; }
  .process { grid-template-columns: 1fr; }
  h1 { font-size: calc(30px * var(--site-type)); }
  .hero-note { position: static; margin-top: 14px; max-width: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .chat-dock { right: 12px; bottom: 12px; gap: 10px; }
  .chat-panel { width: min(344px, calc(100vw - 24px)); }
  .chat-launch-label { display: none; }
  .chat-launch { padding: 14px; border-radius: 50%; }
}
.nav .nav-cta-mobile { display: none; }

/* ---- internal brand reference sheet (/brand/, noindex) ---- */
.brandpage .plate {
  background: var(--site-surface);
  border: var(--rule);
  border-radius: var(--site-radius);
  padding: calc(32px * var(--site-space));
  margin: calc(16px * var(--site-space)) 0 calc(8px * var(--site-space));
  display: flex; align-items: center; justify-content: center;
  color: var(--site-fg);
}
.brandpage .plate.row { gap: calc(40px * var(--site-space)); flex-wrap: wrap; }
.brandpage .plate.sizes { align-items: flex-end; }
.brandpage .plate.sizes > svg { margin-bottom: 8px; }
.brandpage .plate.dark { background: #0a2b4a; color: #ffffff; }
.brandpage .plate.green { background: #1d5c3f; color: #ffffff; }
.brandpage .cap { color: var(--site-muted); font-size: calc(13px * var(--site-type)); margin-top: 0; }
.brandpage .rules { margin: calc(16px * var(--site-space)) 0 0; }
.brandpage .rules > div { border-top: var(--rule); padding: calc(14px * var(--site-space)) 0; display: grid; grid-template-columns: 220px 1fr; gap: 16px; }
.brandpage .rules dt { font-weight: 700; color: var(--navy); }
.brandpage .rules dd { margin: 0; color: var(--site-muted); }
@media (max-width: 720px) {
  .brandpage .rules > div { grid-template-columns: 1fr; gap: 4px; }
}

/* ---- product-line pages: gallery, features, applications ---- */
.gallery { display: grid; gap: calc(18px * var(--site-space)); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); align-items: start; }
.gallery .fig { margin: 0; }
.gallery .fig-wide { grid-column: 1 / -1; }
.gallery .fig img { width: 100%; height: auto; }

.img-slot {
  border: 1px dashed var(--site-border);
  border-radius: var(--site-radius);
  background: var(--site-surface);
  padding: calc(30px * var(--site-space));
  text-align: center;
}
.img-slot-tag {
  display: inline-block; font-size: calc(11px * var(--site-type)); font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal-700);
  background: var(--teal-50); border-radius: 999px; padding: 4px 10px; margin-bottom: 12px;
}
.img-slot b { display: block; color: var(--navy); font-size: calc(16px * var(--site-type)); margin-bottom: 6px; }
.img-slot p { margin: 0 auto; max-width: 62ch; color: var(--site-muted); font-size: calc(13.5px * var(--site-type)); }
.card-media .img-slot { border-radius: 0; border: 0; border-bottom: var(--rule); padding: calc(20px * var(--site-space)); }

dl.feats { margin: 0 0 calc(20px * var(--site-space)); }
dl.feats > div { border-top: var(--rule); padding: calc(14px * var(--site-space)) 0; display: grid; grid-template-columns: 240px 1fr; gap: 16px; }
dl.feats dt { font-weight: 700; color: var(--navy); font-size: calc(14.5px * var(--site-type)); }
dl.feats dd { margin: 0; color: var(--site-muted); font-size: calc(14px * var(--site-type)); }

.apps { display: grid; gap: calc(16px * var(--site-space)); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-bottom: calc(18px * var(--site-space)); }
.app { border: var(--rule); border-radius: var(--site-radius); background: var(--site-surface); padding: calc(18px * var(--site-space)); }
.app h3 { font-size: calc(15px * var(--site-type)); margin-bottom: 6px; }
.app p { margin: 0; color: var(--site-muted); font-size: calc(13.5px * var(--site-type)); }

.line-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: calc(22px * var(--site-space)) 0 calc(6px * var(--site-space)); }

/* ---- product index ---- */
.line-block { border-top: var(--rule); padding: calc(24px * var(--site-space)) 0; }
.line-block h2 { margin-bottom: 4px; }
ul.construct { list-style: none; margin: calc(12px * var(--site-space)) 0 calc(16px * var(--site-space)); padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
ul.construct li {
  border: var(--rule); background: var(--site-surface); border-radius: 999px;
  padding: 6px 13px; font-size: calc(13px * var(--site-type)); color: var(--navy);
}

/* ---- industries ---- */
.industry { border-top: var(--rule); padding: calc(30px * var(--site-space)) 0; }
.industry:first-of-type { border-top: 0; }
.industry-body { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: calc(34px * var(--site-space)); align-items: start; }
.industry h2 { margin-bottom: 10px; }
.industry .fig { margin: 0; }
.industry .fig img { width: 100%; height: auto; object-fit: cover; }
.line-links { font-size: calc(13.5px * var(--site-type)); color: var(--site-muted); }
.line-links a { font-weight: 650; }

/* ---- contact page ---- */
.contact-grid { display: grid; gap: calc(16px * var(--site-space)); grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.contact-card {
  display: block; border: var(--rule); border-radius: var(--site-radius);
  background: var(--site-surface); padding: calc(18px * var(--site-space));
  color: var(--site-fg); text-decoration: none;
}
a.contact-card:hover { border-color: var(--teal); transform: translateY(-1px); }
.contact-card span {
  display: block; font-size: calc(11px * var(--site-type)); font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal-700); margin-bottom: 6px;
}
.contact-card b { display: block; color: var(--navy); font-size: calc(15px * var(--site-type)); word-break: break-word; }
.contact-card small { display: block; margin-top: 5px; color: var(--site-muted); font-size: calc(12.5px * var(--site-type)); line-height: 1.45; }

.map-frame {
  width: 100%; height: 420px; border: var(--rule); border-radius: var(--site-radius);
  background: var(--site-surface); display: block;
}
.field-grid .full { grid-column: 1 / -1; }

@media (max-width: 1024px) {
  .industry-body { grid-template-columns: 1fr; gap: calc(22px * var(--site-space)); }
}
@media (max-width: 720px) {
  dl.feats > div { grid-template-columns: 1fr; gap: 4px; }
  .map-frame { height: 320px; }
}
@media (max-width: 480px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item { border-right: 0; }
  .contact-grid, .apps, .gallery { grid-template-columns: 1fr; }
  .field-grid { grid-template-columns: 1fr; }
  .hero-chips { gap: 6px; }
}