/* DataMine° — site styles. One stylesheet, no framework. */
:root {
  --ink: #0B1630;
  --ink-2: #12224A;
  --ink-3: #1B2F5E;
  --text: #1C2944;
  --muted: #5A6A86;
  --line: #E2E8F2;
  --bg: #F6F8FC;
  --card: #FFFFFF;
  --brand: #0EA5A0;
  --brand-2: #2563EB;
  --brand-soft: #E6F7F6;
  --blue-soft: #EAF1FE;
  --amber: #F5A524;
  --amber-soft: #FEF4E2;
  --ok: #16A34A;
  --warn: #D97706;
  --bad: #DC2626;
  --grad: linear-gradient(135deg, #0EA5A0 0%, #2563EB 100%);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(11, 22, 48, .06), 0 8px 24px rgba(11, 22, 48, .07);
  --shadow-lg: 0 24px 60px rgba(11, 22, 48, .18);
  --wrap: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg); }
img, svg { max-width: 100%; display: block; }
a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

/* ---------- brand mark ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.32rem; color: var(--ink); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand .mark { width: 34px; height: 34px; flex: 0 0 auto; }
.brand .deg { color: var(--amber); font-weight: 700; margin-left: 1px; }
.brand .word-mine { color: var(--brand); }
.on-dark .brand, .site-footer .brand { color: #fff; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 20px rgba(11, 22, 48, .06); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text); font-weight: 500; font-size: .95rem; }
.nav-links a:hover { background: var(--bg); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--brand); background: var(--brand-soft); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; color: var(--ink); }
.menu-btn svg { width: 22px; height: 22px; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: .97rem; border: 1px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; white-space: nowrap; font-family: var(--font); }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .25); }
.btn-primary:hover { box-shadow: 0 12px 28px rgba(37, 99, 235, .32); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: #fff; }
.on-dark .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .28); }
.on-dark .btn-ghost:hover { background: rgba(255, 255, 255, .08); }
.btn-sm { padding: 9px 14px; font-size: .9rem; }
.btn svg { width: 18px; height: 18px; }

/* ---------- sections ---------- */
section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--amber); border-radius: 2px; }
.lead { font-size: 1.13rem; color: var(--muted); max-width: 720px; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.section-head { margin-bottom: 44px; }
.bg-white { background: #fff; }
.bg-ink { background: var(--ink); color: #C9D3E6; }
.bg-ink h1, .bg-ink h2, .bg-ink h3 { color: #fff; }
.bg-ink .lead { color: #AEBBD3; }
.bg-ink .eyebrow { color: #5EEAD4; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 96px 0 104px; background: radial-gradient(900px 500px at 85% -10%, rgba(37, 99, 235, .45), transparent 60%), radial-gradient(700px 420px at 5% 110%, rgba(14, 165, 160, .35), transparent 60%), var(--ink); color: #C9D3E6; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%); pointer-events: none; }
.hero h1 { color: #fff; }
.hero h1 .hl { background: linear-gradient(90deg, #5EEAD4, #93C5FD); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { color: #B4C1DA; font-size: 1.18rem; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero-note { font-size: .9rem; color: #8FA0BF; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note svg { width: 16px; height: 16px; color: #5EEAD4; }
.page-hero { padding: 72px 0 64px; }
.page-hero .lead { max-width: 760px; }
.crumbs { font-size: .85rem; color: #8FA0BF; margin-bottom: 14px; }
.crumbs a { color: #AEBBD3; }

/* decision card mock */
.decision-card { position: relative; background: rgba(255, 255, 255, .97); color: var(--text); border-radius: 18px; padding: 22px; box-shadow: var(--shadow-lg); border: 1px solid rgba(255, 255, 255, .6); }
.decision-card .dc-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.dc-id { font-family: var(--mono); font-size: .8rem; color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.pill-ok { background: #DCFCE7; color: #15803D; }
.pill-info { background: var(--blue-soft); color: #1D4ED8; }
.pill-amber { background: var(--amber-soft); color: #B45309; }
.pill-teal { background: var(--brand-soft); color: #0F766E; }
.dc-grade { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; padding: 14px; border-radius: 12px; background: var(--bg); margin-bottom: 14px; }
.dc-grade .g { font-family: var(--display); font-size: 2.6rem; font-weight: 700; color: var(--ink); line-height: 1; }
.dc-grade .g small { font-size: 1rem; color: var(--muted); font-weight: 500; }
.ladder { display: grid; grid-template-columns: repeat(11, 1fr); gap: 3px; margin-top: 8px; }
.ladder i { height: 8px; border-radius: 3px; background: #E5E9F2; }
.ladder i.on { background: var(--grad); }
.ladder i.me { background: var(--amber); box-shadow: 0 0 0 2px #fff, 0 0 0 3px var(--amber); }
.dc-rows { display: grid; gap: 8px; font-size: .9rem; }
.dc-row { display: flex; justify-content: space-between; gap: 10px; padding: 8px 2px; border-bottom: 1px dashed var(--line); }
.dc-row:last-child { border-bottom: 0; }
.dc-row b { color: var(--ink); font-weight: 600; }
.dc-offers { display: grid; gap: 8px; margin-top: 14px; }
.offer { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: .88rem; }
.offer .l { display: flex; align-items: center; gap: 10px; }
.offer .dot { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font-weight: 700; font-size: .75rem; color: #fff; }
.float-chip { position: absolute; background: #fff; border-radius: 12px; padding: 10px 14px; box-shadow: var(--shadow); font-size: .82rem; display: flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 600; }
.float-chip svg { width: 18px; height: 18px; color: var(--brand); }
.chip-a { top: -18px; right: 22px; }
.chip-b { bottom: -18px; left: -18px; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); margin-top: -48px; position: relative; z-index: 2; }
.stat { padding: 26px 24px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat .n { font-family: var(--display); font-size: 2rem; font-weight: 700; color: var(--ink); line-height: 1.1; }
.stat .n .u { color: var(--brand); }
.stat .t { color: var(--muted); font-size: .92rem; margin-top: 4px; }

/* ---------- cards / 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); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: 0 1px 2px rgba(11, 22, 48, .04); transition: transform .2s, box-shadow .2s, border-color .2s; }
a.card { color: inherit; display: block; }
a.card:hover, .card.hover:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #CFD9EA; text-decoration: none; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .96rem; margin-bottom: 0; }
.icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); margin-bottom: 16px; }
.icon svg { width: 24px; height: 24px; }
.icon.blue { background: var(--blue-soft); color: var(--brand-2); }
.icon.amber { background: var(--amber-soft); color: #C2780A; }
.icon.ink { background: #E9ECF5; color: var(--ink-3); }
.more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .92rem; margin-top: 14px; color: var(--brand-2); }
.more svg { width: 16px; height: 16px; transition: transform .2s; }
a.card:hover .more svg { transform: translateX(3px); }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand); background: var(--brand-soft); padding: 3px 8px; border-radius: 6px; margin-bottom: 12px; }
.tag.blue { color: #1D4ED8; background: var(--blue-soft); }
.tag.amber { color: #B45309; background: var(--amber-soft); }
.ticks { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 26px; color: var(--text); font-size: .95rem; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230EA5A0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/11px no-repeat; }
.bg-ink .ticks li { color: #C9D3E6; }
.bg-ink .card { background: var(--ink-2); border-color: rgba(255, 255, 255, .08); }
.bg-ink .card p { color: #AEBBD3; }
.bg-ink .card h3 { color: #fff; }
.bg-ink .icon { background: rgba(94, 234, 212, .12); color: #5EEAD4; }

/* ---------- lifecycle ---------- */
.flow { display: grid; grid-template-columns: repeat(8, 1fr); gap: 10px; counter-reset: step; }
.flow .step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 14px 16px; }
.flow .step::before { counter-increment: step; content: "0" counter(step); font-family: var(--mono); font-size: .75rem; color: var(--brand); font-weight: 700; }
.flow .step h4 { font-size: 1rem; margin: 6px 0 6px; }
.flow .step p { font-size: .84rem; color: var(--muted); margin: 0; line-height: 1.45; }
.flow .step:not(:last-child)::after { content: ""; position: absolute; right: -9px; top: 50%; width: 8px; height: 8px; border-top: 2px solid var(--amber); border-right: 2px solid var(--amber); transform: translateY(-50%) rotate(45deg); }

/* ---------- split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.rev > :first-child { order: 2; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); }

/* ---------- code ---------- */
.code { background: #0A1328; border-radius: 14px; overflow: hidden; border: 1px solid #1C2A4E; box-shadow: var(--shadow-lg); }
.code-tabs { display: flex; gap: 2px; padding: 8px 10px 0; background: #0E1A36; border-bottom: 1px solid #1C2A4E; }
.code-tabs button { background: none; border: 0; color: #8FA0BF; font: 600 .82rem var(--font); padding: 9px 14px; border-radius: 8px 8px 0 0; cursor: pointer; }
.code-tabs button[aria-selected="true"] { background: #0A1328; color: #fff; }
.code pre { margin: 0; padding: 20px; overflow-x: auto; font: .84rem/1.6 var(--mono); color: #D6DEEE; }
.code .k { color: #93C5FD; } .code .s { color: #86EFAC; } .code .n { color: #FCD34D; } .code .c { color: #64748B; }
.code [hidden] { display: none; }

/* ---------- api catalogue ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.filters button { border: 1px solid var(--line); background: #fff; color: var(--text); padding: 8px 14px; border-radius: 999px; font: 600 .88rem var(--font); cursor: pointer; transition: all .15s; }
.filters button:hover { border-color: #C5D1E6; }
.filters button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.api-card { display: flex; flex-direction: column; }
.api-card .tag { align-self: flex-start; }
.api-card .ep { margin-top: auto; padding-top: 14px; font: .78rem var(--mono); color: var(--muted); border-top: 1px dashed var(--line); margin-top: 16px; }
.api-card .ep b { color: var(--brand); font-weight: 700; margin-right: 6px; }
.api-card[hidden] { display: none; }
.cat-head { grid-column: 1 / -1; margin: 18px 0 -4px; display: flex; align-items: center; gap: 10px; }
.cat-head h3 { margin: 0; }
.cat-head span { color: var(--muted); font-size: .9rem; }

/* ---------- product blocks ---------- */
.product { display: grid; grid-template-columns: 300px 1fr; gap: 40px; padding: 44px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 96px; }
.product:last-child { border-bottom: 0; }
.product .meta h2 { font-size: 1.7rem; margin-bottom: 6px; }
.product .meta .tagline { color: var(--muted); }
.product .body .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 8px; }
.product .body h4 { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; font-family: var(--font); }
.outputs { display: flex; flex-wrap: wrap; gap: 8px; }
.outputs code { font: .78rem var(--mono); background: var(--bg); border: 1px solid var(--line); padding: 4px 8px; border-radius: 6px; color: var(--ink-3); }
.toc { position: sticky; top: 96px; display: grid; gap: 4px; }
.toc a { color: var(--muted); font-size: .92rem; padding: 6px 10px; border-left: 2px solid var(--line); }
.toc a:hover { color: var(--ink); border-left-color: var(--brand); text-decoration: none; }

/* ---------- layers diagram ---------- */
.layers { display: grid; gap: 10px; }
.layer { display: grid; grid-template-columns: 190px 1fr; gap: 16px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.layer .ln { font-family: var(--display); font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.layer .ln i { width: 10px; height: 10px; border-radius: 3px; background: var(--brand); flex: 0 0 auto; }
.layer .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.layer .chips span { font-size: .82rem; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; color: var(--text); }
.layer:nth-child(2) .ln i { background: #14B8A6; } .layer:nth-child(3) .ln i { background: #0EA5E9; } .layer:nth-child(4) .ln i { background: var(--brand-2); }
.layer:nth-child(5) .ln i { background: #6366F1; } .layer:nth-child(6) .ln i { background: var(--amber); } .layer:nth-child(7) .ln i { background: #F97316; }

/* ---------- timeline ---------- */
.timeline { position: relative; display: grid; gap: 22px; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--brand), var(--brand-2)); border-radius: 2px; }
.tl { position: relative; }
.tl::before { content: ""; position: absolute; left: -29px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid var(--brand); }
.tl .y { font-family: var(--display); font-weight: 700; font-size: 1.3rem; color: var(--ink); }
.tl p { color: var(--muted); margin: 4px 0 0; }

/* ---------- cta band ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: 22px; padding: 56px; background: radial-gradient(600px 300px at 100% 0%, rgba(37, 99, 235, .55), transparent 60%), radial-gradient(500px 300px at 0% 100%, rgba(14, 165, 160, .45), transparent 60%), var(--ink); color: #C9D3E6; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; color: #B4C1DA; max-width: 620px; }
.cta-band .btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- forms ---------- */
.form { display: grid; gap: 16px; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: .97rem; padding: 12px 14px; border: 1px solid #CDD6E5; border-radius: 10px; background: #fff; color: var(--text); transition: border-color .15s, box-shadow .15s; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(14, 165, 160, .15); }
.field .err { color: var(--bad); font-size: .82rem; margin-top: 4px; display: none; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--bad); }
.field.invalid .err { display: block; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--muted); }
.consent input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--brand); }
.form-status { font-size: .92rem; padding: 12px 14px; border-radius: 10px; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: #DCFCE7; color: #166534; }
.contact-list { display: grid; gap: 14px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.contact-item .icon { margin: 0; flex: 0 0 auto; }
.contact-item b { display: block; color: var(--ink); }
.contact-item a, .contact-item span { color: var(--muted); }

/* ---------- prose (legal) ---------- */
.prose { max-width: 820px; }
.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose p, .prose li { color: var(--text); }
.prose ul { padding-left: 1.2em; }
.note { background: var(--amber-soft); border: 1px solid #F6D79A; color: #7A4B05; border-radius: 10px; padding: 12px 16px; font-size: .9rem; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #9AA9C6; padding: 64px 0 28px; font-size: .93rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr) 1.2fr; gap: 32px; }
.site-footer h4 { color: #fff; font-family: var(--font); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: #C3CEE3; }
.site-footer a:hover { color: #fff; }
.foot-about p { margin: 14px 0 0; max-width: 300px; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .85rem; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } .btn, .card { transition: none; } }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .flow { grid-template-columns: repeat(4, 1fr); }
  .flow .step:nth-child(4)::after { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr 1fr; }
  .foot-about { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .menu-btn { display: inline-flex; }
  .nav-links.open { display: grid; position: absolute; top: 72px; left: 0; right: 0; background: #fff; padding: 12px 20px 20px; border-bottom: 1px solid var(--line); box-shadow: 0 16px 30px rgba(11, 22, 48, .1); gap: 2px; }
  .nav-links.open a { padding: 12px; }
  .hero-grid, .split, .product { grid-template-columns: 1fr; }
  .split.rev > :first-child { order: 0; }
  .g3, .g4 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .cta-band { grid-template-columns: 1fr; padding: 40px 28px; }
  .toc { display: none; }
  .layer { grid-template-columns: 1fr; gap: 8px; }
  .chip-b { left: 8px; }
}
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hero { padding: 64px 0 88px; }
  .g2, .g3, .g4, .form .row2, .product .body .cols { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow .step::after { display: none; }
  .stat { padding: 20px 16px; }
  .stat .n { font-size: 1.6rem; }
  .nav-cta .btn-primary { padding: 9px 12px; font-size: .88rem; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .float-chip { display: none; }
  .btn { white-space: normal; text-align: center; }
}