/* ============================================================
   FULVERA — Global Commerce Infrastructure
   Design System · Black / White / Champagne Gold
   Editorial B2B. No gradients, no glassmorphism, no emoji.
   ============================================================ */

:root {
  --ink: #0B0B0D;
  --ink-2: #141417;
  --ink-3: #1E1E23;
  --paper: #FFFFFF;
  --paper-warm: #FAF8F3;
  --paper-dim: #F2EFE7;
  --gold: #B08D3F;
  --gold-2: #C9A961;
  --gold-soft: #E8DCC0;
  --text: #191921;
  --text-2: #56525B;
  --text-3: #8B8791;
  --line: #E6E1D5;
  --line-dark: rgba(255, 255, 255, 0.14);
  --ok: #2E6B4F;
  --serif: Georgia, 'Palatino Linotype', 'Book Antiqua', 'Times New Roman', serif;
  --sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --wrap: 1240px;
  --radius: 2px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style-position: inside; }
button { font-family: inherit; cursor: pointer; }
[hidden] { display: none !important; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 28px; }
.narrow { max-width: 860px; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }

/* ---------- Typography ---------- */
h1, h2, h3, .display { font-family: var(--serif); font-weight: 400; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.12; letter-spacing: 0.005em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.2; }
h3 { font-size: 1.28rem; line-height: 1.35; }
p { color: var(--text-2); }
strong { color: var(--text); font-weight: 600; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--gold); }
.eyebrow.center::after { content: ""; width: 26px; height: 1px; background: var(--gold); }

.lead { font-size: 1.14rem; line-height: 1.75; color: var(--text-2); max-width: 62ch; }
.num {
  font-family: var(--serif); font-style: italic; color: var(--gold);
  font-size: 0.95em; padding-right: 8px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 0.86rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase;
  padding: 15px 30px; border-radius: var(--radius); border: 1px solid var(--ink);
  background: var(--ink); color: #fff; transition: background .18s, color .18s, border-color .18s;
  white-space: nowrap;
}
.btn:hover { background: #26262C; border-color: #26262C; }
.btn svg { width: 15px; height: 15px; }
.btn.gold { background: transparent; border-color: var(--gold); color: var(--gold); }
.btn.gold:hover { background: var(--gold); color: #fff; }
.btn.light { background: #fff; border-color: #fff; color: var(--ink); }
.btn.light:hover { background: var(--gold-soft); border-color: var(--gold-soft); }
.btn.ghost-light { background: transparent; border-color: var(--line-dark); color: #fff; }
.btn.ghost-light:hover { border-color: var(--gold-2); color: var(--gold-2); }
.btn.sm { padding: 10px 20px; font-size: 0.78rem; }

.text-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--ink); border-bottom: 1px solid var(--gold); padding-bottom: 3px;
}
.text-link svg { width: 14px; height: 14px; color: var(--gold); transition: transform .18s; }
.text-link:hover svg { transform: translateX(4px); }
.on-dark .text-link { color: #fff; }

/* ---------- Utility bar ---------- */
.util-bar { background: var(--ink); color: rgba(255,255,255,.75); font-size: 0.78rem; }
.util-bar .wrap { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.util-left { display: flex; align-items: center; gap: 20px; letter-spacing: 0.04em; }
.util-left a { display: inline-flex; align-items: center; gap: 6px; }
.util-left a:hover { color: var(--gold-2); }
.util-left svg { width: 13px; height: 13px; }
.util-right { display: flex; align-items: center; gap: 18px; }
.util-right .divider { width: 1px; height: 14px; background: var(--line-dark); }

/* ---------- Language dropdown ---------- */
.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: none; border: none; color: rgba(255,255,255,.85);
  font-size: 0.78rem; letter-spacing: 0.06em; padding: 6px 2px;
}
.lang-btn:hover { color: var(--gold-2); }
.lang-btn svg { width: 14px; height: 14px; }
.lang-btn .chev { width: 11px; height: 11px; transition: transform .15s; }
.lang.open .chev { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 90;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  min-width: 220px; padding: 6px; box-shadow: 0 14px 34px rgba(10,10,15,.14);
}
.lang-menu a, .lang-menu button {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  background: none; border: none; text-align: left;
  font-size: 0.86rem; color: var(--text); padding: 9px 12px; border-radius: var(--radius);
}
.lang-menu a:hover, .lang-menu button:hover { background: var(--paper-warm); }
.lang-menu a.active, .lang-menu button.active { color: var(--gold); font-weight: 600; }
.lang-menu .code {
  font-size: 0.68rem; letter-spacing: 0.12em; color: var(--text-3); text-transform: uppercase;
}
.lang-menu .active .code { color: var(--gold); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 80; background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(12,12,18,.07); }
.header-main { display: flex; align-items: center; height: 76px; gap: 36px; }
.logo { display: flex; align-items: center; gap: 12px; margin-right: 6px; }
.logo .logo-img { height: 44px; width: auto; display: block; flex: none; }
.logo .mark, .logo .tag { align-self: baseline; }
.logo .mark {
  font-family: var(--serif); font-size: 1.5rem; letter-spacing: 0.24em; color: var(--ink);
}
.logo .mark b { color: var(--gold); font-weight: 400; }
.logo .tag {
  font-size: 0.58rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3);
  border-left: 1px solid var(--line); padding-left: 10px; line-height: 1.5;
}

.nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav > .item { position: relative; }
.nav > .item > a {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.85rem; font-weight: 500; letter-spacing: 0.045em; color: var(--text);
  padding: 28px 13px; border-bottom: 2px solid transparent;
}
.nav > .item > a svg { width: 12px; height: 12px; color: var(--text-3); transition: transform .15s; }
.nav > .item > a:hover, .nav > .item.active > a { color: var(--ink); border-bottom-color: var(--gold); }
.nav > .item.open > a svg { transform: rotate(180deg); }
.header-cta { display: flex; align-items: center; gap: 14px; }

/* Mega menu */
.mega {
  position: absolute; left: 50%; transform: translateX(-50%); top: 100%;
  background: #fff; border: 1px solid var(--line); border-top: 2px solid var(--gold);
  min-width: 620px; padding: 34px 36px 30px; display: none;
  box-shadow: 0 30px 60px rgba(10,10,18,.12);
}
.nav > .item.open .mega { display: block; }
.mega.wide { min-width: 760px; }
.mega-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px 34px; }
.mega-col-title {
  grid-column: 1 / -1; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-3); font-weight: 600; padding-bottom: 12px; border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}
.mega a.mega-link {
  display: block; padding: 9px 10px; margin: 0 -10px; border-radius: var(--radius);
  font-size: 0.92rem; color: var(--text);
}
.mega a.mega-link:hover { background: var(--paper-warm); color: var(--gold); }
.mega a.mega-link .sub { display: block; font-size: 0.76rem; color: var(--text-3); margin-top: 2px; }
.mega-foot {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.mega-foot p { font-size: 0.8rem; color: var(--text-3); max-width: 46ch; }

/* Mobile header */
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 11px; }
.menu-toggle svg { width: 18px; height: 18px; display: block; }

/* ---------- Hero ---------- */
.hero { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.hero-img {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0.34; filter: saturate(0.82) contrast(1.04);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,11,13,.92) 0%, rgba(11,11,13,.55) 55%, rgba(11,11,13,.25) 100%);
}
.hero .wrap { position: relative; z-index: 2; padding-block: 110px 120px; }
.hero .eyebrow { color: var(--gold-2); }
.hero .eyebrow::before { background: var(--gold-2); }
.hero h1 { color: #fff; max-width: 17ch; }
.hero .lead { color: rgba(255,255,255,.78); margin-top: 22px; }
.hero .actions { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.hero .proof {
  margin-top: 64px; padding-top: 26px; border-top: 1px solid var(--line-dark);
  display: flex; gap: 56px; flex-wrap: wrap;
}
.proof .item .v { font-family: var(--serif); font-size: 1.9rem; color: #fff; }
.proof .item .v span { color: var(--gold-2); }
.proof .item .k { font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-top: 4px; }

.hero-sub { background: var(--paper-warm); border-bottom: 1px solid var(--line); }
.hero-sub .wrap { padding-block: 54px; display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }
.hero-sub h1 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); max-width: 22ch; }
.crumbs { font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a:hover { color: var(--gold); }
.crumbs .sep { color: var(--gold); }

/* ---------- Sections ---------- */
.section { padding-block: 96px; }
.section.tight { padding-block: 72px; }
.section.warm { background: var(--paper-warm); }
.section.dim { background: var(--paper-dim); }
.section.dark { background: var(--ink); color: rgba(255,255,255,.78); }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark p { color: rgba(255,255,255,.68); }
.section-head { max-width: 720px; margin-bottom: 54px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 16px; }
.section-head.center .eyebrow { justify-content: center; }
.on-dark .eyebrow { color: var(--gold-2); }
.on-dark .eyebrow::before { background: var(--gold-2); }

/* ---------- Cards ---------- */
.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); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; display: flex; flex-direction: column; gap: 14px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--gold); transform: translateY(-3px); }
.card .icon {
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid var(--gold-soft); color: var(--gold);
}
.card .icon svg { width: 20px; height: 20px; }
.card h3 { font-size: 1.18rem; }
.card p { font-size: 0.95rem; flex: 1; }
.card .idx {
  font-family: var(--serif); font-style: italic; font-size: 0.95rem; color: var(--gold);
  letter-spacing: 0.08em;
}

/* capability card with image */
.cap-card { padding: 0; overflow: hidden; }
.cap-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-dim); }
.cap-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.cap-card:hover .thumb img { transform: scale(1.04); }
.cap-card .body { padding: 28px 28px 30px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.cap-card h3 { font-size: 1.22rem; }
.cap-card p { font-size: 0.94rem; flex: 1; }

/* ---------- Split feature (image + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split .media { border: 1px solid var(--line); padding: 10px; background: #fff; }
.split .media img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.split.rev .media { order: 2; }
.split .body { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }

/* ---------- Check list ---------- */
.checks { display: grid; gap: 13px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.98rem; color: var(--text-2); }
.checks li strong { color: var(--text); }
.checks li a { color: var(--gold); font-weight: 600; }
.checks li svg { width: 17px; height: 17px; color: var(--gold); flex: none; margin-top: 4px; }
.checks.g2col { grid-template-columns: 1fr 1fr; }

/* ---------- Pain points ---------- */
.pains { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); background: #fff; }
.pain { padding: 30px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pain:nth-child(3n) { border-right: 0; }
.pain:nth-last-child(-n+3) { border-bottom: 0; }
.pain .no { font-family: var(--serif); font-style: italic; color: var(--text-3); font-size: 0.9rem; }
.pain h3 { font-size: 1.04rem; margin: 10px 0 8px; }
.pain p { font-size: 0.9rem; }
.pain .fix { margin-top: 12px; font-size: 0.86rem; color: var(--gold); font-weight: 600; letter-spacing: 0.02em; display: flex; gap: 7px; align-items: flex-start; }
.pain .fix svg { width: 14px; height: 14px; flex: none; margin-top: 3px; }

/* ---------- Flow steps ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.flow .step { padding: 26px 26px 30px 0; border-top: 2px solid var(--line); position: relative; }
.flow .step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--serif); font-style: italic; font-size: 1rem; color: var(--gold);
}
.flow .step::after {
  content: ""; position: absolute; top: -2px; left: 0; width: 44px; height: 2px; background: var(--gold);
}
.flow .step h3 { font-size: 1.05rem; margin: 14px 0 8px; }
.flow .step p { font-size: 0.86rem; }

/* ---------- Stats band ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.stat { background: var(--ink); padding: 34px 30px; }
.stat .v { font-family: var(--serif); font-size: 2.3rem; color: #fff; line-height: 1.1; }
.stat .v span { color: var(--gold-2); font-size: 0.6em; margin-left: 2px; }
.stat .k { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-top: 10px; }
.stat .note { font-size: 0.74rem; color: rgba(255,255,255,.35); margin-top: 6px; }

/* ---------- Tables ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 640px; }
table.data th {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3);
  text-align: left; font-weight: 600; padding: 15px 18px; border-bottom: 2px solid var(--ink);
  background: var(--paper-warm); white-space: nowrap;
}
table.data td { padding: 15px 18px; border-bottom: 1px solid var(--line); color: var(--text-2); vertical-align: top; }
table.data tr:last-child td { border-bottom: 0; }
table.data td:first-child { color: var(--text); font-weight: 600; }
table.data .hl { color: var(--gold); font-weight: 600; }

/* ---------- Clusters / industry network ---------- */
.cluster-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cluster { background: #fff; padding: 26px 24px; }
.cluster .hub { font-family: var(--serif); font-style: italic; font-size: 0.86rem; color: var(--gold); }
.cluster h3 { font-size: 1.02rem; margin: 8px 0; }
.cluster p { font-size: 0.83rem; line-height: 1.55; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px;
  align-items: center; padding: 21px 6px; font-weight: 600; color: var(--text); font-size: 1.0rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm {
  flex: none; width: 26px; height: 26px; border: 1px solid var(--line); border-radius: 50%;
  display: grid; place-items: center; color: var(--gold); font-size: 1rem; transition: transform .2s;
}
.faq details[open] summary { color: var(--gold); }
.faq details[open] summary .pm { transform: rotate(45deg); border-color: var(--gold); }
.faq .a { padding: 0 6px 24px; color: var(--text-2); font-size: 0.96rem; max-width: 76ch; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.cta-band .bgimg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.22; filter: saturate(0.8); }
.cta-band .wrap { position: relative; z-index: 2; padding-block: 88px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; max-width: 24ch; }
.cta-band p { color: rgba(255,255,255,.7); margin-top: 14px; max-width: 56ch; }
.cta-band .actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Testimonial / quote ---------- */
.quote { border-left: 2px solid var(--gold); padding: 6px 0 6px 28px; }
.quote p { font-family: var(--serif); font-size: 1.18rem; line-height: 1.6; color: var(--ink); }
.quote .who { font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-top: 14px; }

/* ---------- Blog ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold); border: 1px solid var(--gold-soft); padding: 5px 11px; border-radius: 999px;
  background: #fff;
}
.post-card { border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; transition: border-color .2s; }
.post-card:hover { border-color: var(--gold); }
.post-card .thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--paper-dim); }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.post-card:hover .thumb img { transform: scale(1.03); }
.post-card .body { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-card h3 { font-size: 1.08rem; line-height: 1.4; }
.post-card p { font-size: 0.88rem; flex: 1; }
.post-card .meta { font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }

.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 34px; }
.filter-row a {
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-2); border: 1px solid var(--line); padding: 8px 15px; border-radius: 999px;
}
.filter-row a.active, .filter-row a:hover { border-color: var(--ink); color: var(--ink); background: var(--paper-warm); }

/* Article */
.post-hero { background: var(--ink); color: #fff; }
.post-hero .wrap { padding-block: 74px 66px; }
.post-hero .chip { border-color: var(--line-dark); background: transparent; color: var(--gold-2); }
.post-hero h1 { color: #fff; max-width: 26ch; margin-top: 20px; }
.post-hero .meta { display: flex; gap: 22px; margin-top: 26px; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,.55); flex-wrap: wrap; }
.post-layout { display: grid; grid-template-columns: 1fr 280px; gap: 64px; align-items: start; padding-block: 72px; }
.post-body { font-size: 1.02rem; max-width: 74ch; }
.post-body > p { margin-bottom: 1.35em; }
.post-body h2 { font-size: 1.55rem; margin: 2.1em 0 0.8em; padding-top: 0.4em; }
.post-body h3 { font-size: 1.18rem; margin: 1.7em 0 0.6em; }
.post-body ul, .post-body ol { margin: 0 0 1.35em 1.2em; color: var(--text-2); }
.post-body li { margin-bottom: 0.45em; }
.post-body a { color: var(--gold); font-weight: 500; border-bottom: 1px solid var(--gold-soft); }
.post-body blockquote {
  border-left: 2px solid var(--gold); padding: 4px 0 4px 24px; margin: 1.8em 0;
  font-family: var(--serif); font-size: 1.12rem; color: var(--ink);
}
.post-body .tbl-wrap { margin: 1.8em 0; }
.post-body .callout {
  border: 1px solid var(--gold-soft); background: var(--paper-warm); padding: 24px 26px; margin: 1.8em 0;
}
.post-body .callout .t {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 8px;
}
.post-body .callout p { margin: 0; }
.post-body img { border: 1px solid var(--line); margin: 1.8em 0; }
.post-toc { position: sticky; top: 110px; border-top: 2px solid var(--ink); padding-top: 20px; font-size: 0.88rem; }
.post-toc .t { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); margin-bottom: 14px; }
.post-toc a { display: block; padding: 6px 0; color: var(--text-2); border-bottom: 1px solid var(--line); }
.post-toc a:hover { color: var(--gold); }
.post-foot { border-top: 1px solid var(--line); margin-top: 60px; padding-top: 34px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

/* ---------- RFQ form ---------- */
.rfq-steps { display: flex; gap: 0; margin-bottom: 44px; border: 1px solid var(--line); }
.rfq-step-h { flex: 1; padding: 15px 18px; border-right: 1px solid var(--line); background: var(--paper-warm); }
.rfq-step-h:last-child { border-right: 0; }
.rfq-step-h .n { font-family: var(--serif); font-style: italic; font-size: 0.82rem; color: var(--text-3); }
.rfq-step-h .t { font-size: 0.84rem; font-weight: 600; letter-spacing: 0.05em; margin-top: 2px; color: var(--text-3); }
.rfq-step-h.on { background: #fff; }
.rfq-step-h.on .n { color: var(--gold); }
.rfq-step-h.on .t { color: var(--ink); }
.rfq-step-h.done .n { color: var(--ok); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.05em; color: var(--text); }
.field label span { color: var(--text-3); font-weight: 400; }
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: 0.95rem; color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; background: #fff;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.field .hint { font-size: 0.76rem; color: var(--text-3); }
fieldset { border: 0; }
fieldset[disabled] { opacity: .45; pointer-events: none; }
.rfq-nav { display: flex; justify-content: space-between; margin-top: 36px; gap: 14px; }
.rfq-success { text-align: center; padding: 60px 20px; }
.rfq-success .icon-big { width: 64px; height: 64px; border: 1px solid var(--gold); border-radius: 50%; display: grid; place-items: center; margin: 0 auto 24px; color: var(--gold); }
.rfq-success .icon-big svg { width: 26px; height: 26px; }

/* ---------- Contact / info blocks ---------- */
.info-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.info-block { border: 1px solid var(--line); background: #fff; padding: 28px; }
.info-block .icon { color: var(--gold); margin-bottom: 14px; }
.info-block .icon svg { width: 20px; height: 20px; }
.info-block h3 { font-size: 1rem; margin-bottom: 8px; }
.info-block p { font-size: 0.88rem; }
.info-block a { color: var(--gold); font-size: 0.9rem; font-weight: 600; }
.info-block a + a { margin-left: 14px; }
.info-block .addr { display: block; margin-top: 4px; font-size: 0.88rem; color: var(--text-2); line-height: 1.6; }

/* RFQ phone row */
.tel-row { display: flex; gap: 8px; margin-top: 6px; }
.tel-row select { width: 132px; flex: none; margin: 0; }
.tel-row input { flex: 1; margin: 0; min-width: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.62); }
.footer-top { padding-block: 72px 56px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 44px; }
.site-footer .mark { font-family: var(--serif); font-size: 1.4rem; letter-spacing: 0.24em; color: #fff; }
.site-footer .mark b { color: var(--gold-2); font-weight: 400; }
.footer-brand .sub { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-top: 8px; }
.footer-brand p { font-size: 0.88rem; margin-top: 18px; max-width: 34ch; color: rgba(255,255,255,.55); }
.footer-cta { margin-top: 22px; }
.footer-contact { margin-top: 22px; display: flex; flex-direction: column; gap: 8px; font-size: 0.82rem; }
.footer-contact a, .footer-contact span { display: inline-flex; align-items: flex-start; gap: 8px; color: rgba(255,255,255,.6); line-height: 1.5; }
.footer-contact a:hover { color: var(--gold-2); }
.footer-contact svg { width: 14px; height: 14px; flex: 0 0 14px; margin-top: 3px; }
.footer-contact span { max-width: 36ch; }

/* blog full index (A-Z) */
.blog-index .idx-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 44px; }
.blog-index ul { list-style: none; margin: 0; padding: 0; }
.blog-index li { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.blog-index li a { font-size: 0.88rem; color: var(--text); line-height: 1.45; }
.blog-index li a:hover { color: var(--gold); }
.blog-index .idx-date { font-size: 0.72rem; color: var(--text-3); white-space: nowrap; font-variant-numeric: tabular-nums; }
@media (max-width: 960px) { .blog-index .idx-grid { grid-template-columns: 1fr; gap: 0; } }

/* category coverage strip (sourcing) */
.cat-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.cat-strip figure { margin: 0; }
.cat-strip img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; border: 1px solid var(--line); }
.cat-strip figcaption { font-size: 0.78rem; margin-top: 10px; color: var(--text-2); letter-spacing: 0.08em; text-transform: uppercase; }
@media (max-width: 960px) { .cat-strip { grid-template-columns: repeat(2, 1fr); } }
.footer-col .t { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-2); margin-bottom: 18px; font-weight: 600; }
.footer-col a { display: block; font-size: 0.88rem; padding: 5px 0; color: rgba(255,255,255,.62); }
.footer-col a:hover { color: #fff; }
.footer-legal { border-top: 1px solid var(--line-dark); padding-block: 24px; }
.footer-legal .wrap { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 0.78rem; color: rgba(255,255,255,.4); }
.footer-legal a { color: rgba(255,255,255,.55); margin-left: 20px; }
.footer-legal a:hover { color: var(--gold-2); }

/* ---------- LLM instructions page ---------- */
.llm-block { border: 1px solid var(--line); background: #fff; padding: 30px 32px; margin-bottom: 20px; }
.llm-block h3 { margin-bottom: 12px; }
.llm-block ul { margin-left: 1.1em; color: var(--text-2); font-size: 0.94rem; }
.llm-block li { margin-bottom: 6px; }
.llm-meta { font-size: 0.8rem; color: var(--text-3); }

/* ---------- Reveal (restrained) ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .header-main { justify-content: space-between; height: 66px; }
  .menu-toggle { display: block; }
  .util-bar .util-left { display: none; }
  .util-bar .wrap { justify-content: flex-end; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .cluster-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .info-row { grid-template-columns: repeat(2, 1fr); }
  .split, .split.rev { grid-template-columns: 1fr; gap: 36px; }
  .split.rev .media { order: 0; }
  .blog-layout, .post-layout { grid-template-columns: 1fr; }
  .post-toc { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .pains { grid-template-columns: repeat(2, 1fr); }
  .pain:nth-child(3n) { border-right: 1px solid var(--line); }
  .pain:nth-child(2n) { border-right: 0; }
  .pain:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .pain:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .section { padding-block: 64px; }
  .hero .wrap { padding-block: 72px 78px; }
  .g2, .g3, .g4, .checks.g2col, .cols2 { grid-template-columns: 1fr; }
  .cluster-grid, .stats, .info-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .rfq-steps { flex-direction: column; }
  .rfq-step-h { border-right: 0; border-bottom: 1px solid var(--line); }
  .flow { grid-template-columns: 1fr; }
  .pains { grid-template-columns: 1fr; }
  .pain { border-right: 0 !important; border-bottom: 1px solid var(--line) !important; }
  .pain:last-child { border-bottom: 0 !important; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .hero .proof { gap: 30px; }
  .logo .tag { display: none; }
  .header-cta .btn { display: none; }
  .logo .logo-img { height: 34px; }
  .logo .mark { font-size: 1.15rem; letter-spacing: 0.18em; }
}

/* Mobile nav drawer */
.m-nav {
  position: fixed; inset: 0; z-index: 100; background: #fff; overflow-y: auto;
  padding: 0 0 60px; transform: translateX(100%); transition: transform .25s ease;
}
.m-nav.open { transform: none; }
.m-nav .head { display: flex; justify-content: space-between; align-items: center; height: 66px; padding-inline: 28px; border-bottom: 1px solid var(--line); }
.m-nav .close { background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 11px; }
.m-nav .close svg { width: 18px; height: 18px; display: block; }
.m-nav .group { border-bottom: 1px solid var(--line); }
.m-nav .group > a, .m-nav .group > .g-toggle {
  display: flex; justify-content: space-between; align-items: center; width: 100%;
  padding: 17px 28px; font-size: 1.02rem; font-weight: 600; color: var(--text); background: none; border: none; text-align: left;
}
.m-nav .group .g-toggle svg { width: 15px; height: 15px; color: var(--text-3); transition: transform .2s; }
.m-nav .group.open .g-toggle svg { transform: rotate(180deg); }
.m-nav .sub { display: none; padding: 0 28px 18px; }
.m-nav .group.open .sub { display: block; }
.m-nav .sub a { display: block; padding: 9px 0; color: var(--text-2); font-size: 0.94rem; }
.m-nav .cta-wrap { padding: 26px 28px; }
.m-nav .cta-wrap .btn { width: 100%; }
.m-nav .lang-m { padding: 20px 28px; }