/* Vitridata — site styles
   Brand: purple #871CFF → coral #F0654A, black, white.
   Type: Sora (display), Inter (text), JetBrains Mono (accents). */

@font-face { font-family: "Sora"; src: url("../fonts/sora-latin.woff2") format("woff2"); font-weight: 300 800; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-latin.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --ink: #0b0a10;
  --ink-2: #14121c;
  --ink-3: #1d1a28;
  --line-dark: #2c2838;
  --paper: #ffffff;
  --paper-2: #f6f4fb;
  --line: #e6e2ef;
  --text: #1b1825;
  --text-2: #57536a;
  --text-on-dark: #f4f2fa;
  --text-on-dark-2: #b6b0c8;
  --purple: #7a22f0;        /* text-safe on white (AA) */
  --purple-bright: #871cff; /* brand */
  --purple-soft: #c7a6ff;   /* text-safe on dark */
  --coral: #f0654a;
  --magenta: #c2449f;
  --grad: linear-gradient(120deg, #871cff 0%, #c2449f 55%, #f0654a 100%);
  --radius: 14px;
  --radius-sm: 8px;
  --wrap: 1180px;
  --font-display: "Sora", "Inter", system-ui, sans-serif;
  --font-text: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --shadow: 0 1px 2px rgba(20, 10, 40, .06), 0 8px 24px rgba(20, 10, 40, .06);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; font-family: var(--font-text); font-size: 1.0625rem; line-height: 1.65; color: var(--text); background: var(--paper); text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; height: auto; }
a { color: var(--purple); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .6em; color: inherit; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); font-weight: 600; letter-spacing: -.035em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.7rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; }
h4 { font-size: 1rem; font-weight: 600; letter-spacing: 0; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
:focus-visible { outline: 3px solid var(--purple-bright); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--paper); color: var(--ink); padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600; }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11, 10, 16, .86); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid rgba(255, 255, 255, .07); color: var(--text-on-dark); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-family: var(--font-display); font-weight: 600; font-size: 1.28rem; letter-spacing: -.02em; }
.brand svg { width: 34px; height: 32px; }
.brand small { display: block; font-family: var(--font-mono); font-weight: 400; font-size: .62rem; letter-spacing: .06em; color: var(--text-on-dark-2); margin-top: -2px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--text-on-dark-2); text-decoration: none; font-size: .94rem; font-weight: 500; padding: 8px 12px; border-radius: 8px; }
.nav a:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.nav a[aria-current="page"] { color: #fff; }
.lang { display: inline-flex; align-items: center; border: 1px solid rgba(255, 255, 255, .16); border-radius: 999px; padding: 3px; font-family: var(--font-mono); font-size: .78rem; }
.lang a, .lang span { padding: 4px 10px; border-radius: 999px; text-decoration: none; color: var(--text-on-dark-2); }
.lang [aria-current="true"] { background: rgba(255, 255, 255, .12); color: #fff; }
.lang a:hover { color: #fff; }
.header-cta { margin-left: 8px; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid rgba(255, 255, 255, .2); color: #fff; border-radius: 10px; width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; }
.menu-btn svg { width: 22px; height: 22px; }

@media (max-width: 960px) {
  .menu-btn { display: inline-flex; }
  .site-header .header-cta { display: none; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: var(--ink); border-bottom: 1px solid var(--line-dark); padding: 8px 20px 20px; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 4px; font-size: 1.05rem; border-bottom: 1px solid var(--line-dark); border-radius: 0; }
  .nav .lang { margin-top: 16px; align-self: flex-start; }
  .nav .lang a, .nav .lang span { border: 0; padding: 6px 14px; }
  .nav .btn { margin-top: 16px; }
}
@media (min-width: 961px) { .nav .nav-cta { display: none; } }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--font-text); font-weight: 600; font-size: .98rem; line-height: 1; padding: 14px 22px; border-radius: 999px; border: 1px solid transparent; text-decoration: none; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; white-space: nowrap; }
.btn-primary { background: var(--purple-bright); color: #fff; box-shadow: 0 6px 20px rgba(135, 28, 255, .35); }
.btn-primary:hover { background: #7412ea; transform: translateY(-1px); color: #fff; }
.btn-ghost { color: inherit; border-color: currentColor; background: transparent; }
.on-dark .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn-ghost:hover { background: rgba(127, 42, 255, .08); }
.on-dark .btn-ghost:hover { background: rgba(255, 255, 255, .08); }
.btn-sm { padding: 10px 16px; font-size: .9rem; }
.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section-tight { padding: clamp(48px, 6vw, 72px) 0; }
.alt { background: var(--paper-2); }
.dark, .on-dark { background: var(--ink); color: var(--text-on-dark); }
.dark p, .on-dark p { color: var(--text-on-dark-2); }
.dark a:not(.btn), .on-dark a:not(.btn) { color: var(--purple-soft); }
.eyebrow { display: inline-block; font-family: var(--font-mono); font-size: .8rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--purple); margin-bottom: 16px; }
.on-dark .eyebrow, .dark .eyebrow { color: var(--purple-soft); }
.lede { font-size: clamp(1.08rem, 1.6vw, 1.25rem); color: var(--text-2); max-width: 46em; }
.on-dark .lede, .dark .lede { color: var(--text-on-dark-2); }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mono { font-family: var(--font-mono); }
.tag-code { font-family: var(--font-mono); color: var(--coral); font-weight: 500; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: radial-gradient(1000px 520px at 85% 10%, rgba(135, 28, 255, .22), transparent 60%), radial-gradient(700px 420px at 100% 90%, rgba(240, 101, 74, .14), transparent 60%), var(--ink); color: var(--text-on-dark); padding: clamp(56px, 8vw, 104px) 0 0; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; }
.hero .lede { color: var(--text-on-dark-2); }
.hero-points { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: .92rem; color: var(--text-on-dark-2); }
.hero-points li { display: inline-flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--grad); }
.hero-visual { position: relative; }
.bars { display: block; width: 100%; height: 88px; margin-top: clamp(48px, 7vw, 88px); }
.page-hero { padding-bottom: 0; }
.page-hero .wrap { padding-bottom: 8px; }
.page-hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); max-width: 18em; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

/* Architecture diagram */
.arch { margin: 0; width: 100%; border-radius: var(--radius); background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .015)); border: 1px solid rgba(255, 255, 255, .09); padding: 18px; }
.arch svg { display: block; width: 100%; height: auto; }
.arch .lbl { font-family: var(--font-mono); font-size: 11px; fill: #9d97b2; letter-spacing: .06em; text-transform: uppercase; }
.arch .node rect { fill: #1a1724; stroke: #3a3450; }
.arch .node text { font-family: var(--font-text); font-size: 13px; fill: #ece9f5; }
.arch .node .sub { font-family: var(--font-mono); font-size: 10.5px; fill: #9d97b2; }
.arch .core rect { fill: url(#coreFill); stroke: url(#coreStroke); stroke-width: 1.5; }
.arch .flow { fill: none; stroke: url(#flowGrad); stroke-width: 1.6; stroke-dasharray: 5 6; animation: flow 1.6s linear infinite; }
.arch .layer rect { fill: rgba(135, 28, 255, .1); stroke: rgba(199, 166, 255, .35); }
.arch .layer text { font-family: var(--font-mono); font-size: 11px; fill: #e6dcff; }
@keyframes flow { to { stroke-dashoffset: -22; } }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.alt .card { background: #fff; }
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--text-2); font-size: .98rem; }
.dark .card, .on-dark .card { background: var(--ink-2); border-color: var(--line-dark); box-shadow: none; }
.card .num { font-family: var(--font-mono); font-size: .8rem; color: var(--purple); letter-spacing: .06em; display: block; margin-bottom: 14px; }
.dark .card .num { color: var(--purple-soft); }
.icon { width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(135, 28, 255, .12), rgba(240, 101, 74, .12)); color: var(--purple); margin-bottom: 18px; }
.icon svg { width: 24px; height: 24px; }
.dark .icon { color: var(--purple-soft); background: rgba(135, 28, 255, .16); }
a.card { display: block; text-decoration: none; color: inherit; transition: transform .2s ease, border-color .2s ease; }
a.card:hover { transform: translateY(-3px); border-color: #cdb6ff; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 600; font-size: .92rem; color: var(--purple); }

/* Problem cards */
.problem { border-left: 3px solid; border-image: var(--grad) 1; padding: 6px 0 6px 22px; }
.problem h3 { font-size: 1.12rem; }
.problem p { color: var(--text-2); font-size: .98rem; margin: 0; }
.dark .problem p { color: var(--text-on-dark-2); }
.closing { margin-top: 48px; font-family: var(--font-display); font-size: clamp(1.2rem, 2.2vw, 1.55rem); font-weight: 500; letter-spacing: -.01em; max-width: 34em; }

/* Statement / honest intro */
.statement { font-family: var(--font-display); font-size: clamp(1.4rem, 2.8vw, 2.15rem); line-height: 1.3; letter-spacing: -.02em; font-weight: 500; max-width: 30em; }
.statement em { font-style: normal; }

/* Beliefs list */
.beliefs { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.beliefs li { display: grid; grid-template-columns: 56px 1fr; gap: 12px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.beliefs .k { font-family: var(--font-mono); color: var(--purple); font-size: .85rem; padding-top: 4px; }
.beliefs strong { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; display: block; margin-bottom: 4px; letter-spacing: -.01em; }
.beliefs span.d { color: var(--text-2); }
.dark .beliefs { border-color: var(--line-dark); }
.dark .beliefs li { border-color: var(--line-dark); }
.dark .beliefs .k { color: var(--purple-soft); }
.dark .beliefs span.d { color: var(--text-on-dark-2); }

/* Model comparison (dimensional / data vault / ...) */
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .models { grid-template-columns: 1fr; } }
.model { border-radius: var(--radius); border: 1px solid var(--line-dark); background: var(--ink-2); padding: 26px; }
.model svg { width: 100%; height: 150px; display: block; margin-bottom: 18px; }
.model h3 { color: #fff; }
.model p { font-size: .97rem; }
.model .when { font-family: var(--font-mono); font-size: .78rem; color: var(--purple-soft); text-transform: uppercase; letter-spacing: .06em; display: block; margin-top: 12px; }
.model .when + p { margin-top: 4px; }

/* Before/after ("what you have / what you get") */
.ba { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: stretch; }
.ba .col { border-radius: var(--radius); padding: 24px; border: 1px solid var(--line); background: #fff; }
.ba .col.after { border-color: #cdb6ff; background: linear-gradient(180deg, #fbf8ff, #fff); }
.ba h3 { font-size: .82rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--text-2); }
.ba .after h3 { color: var(--purple); }
.ba ul { list-style: none; padding: 0; margin: 0; font-family: var(--font-mono); font-size: .86rem; }
.ba li { padding: 8px 10px; border-radius: 6px; background: var(--paper-2); margin-bottom: 6px; overflow-wrap: anywhere; }
.ba .after li { background: rgba(135, 28, 255, .07); color: #3d1780; }
.ba .mid { display: flex; align-items: center; justify-content: center; color: var(--purple); }
.ba .mid svg { width: 40px; height: 40px; }
@media (max-width: 760px) { .ba { grid-template-columns: 1fr; } .ba .mid svg { transform: rotate(90deg); } }

/* Comparison table */
.compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
.compare { width: 100%; border-collapse: collapse; min-width: 680px; font-size: .95rem; }
.compare th, .compare td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { font-family: var(--font-display); font-size: 1rem; background: var(--paper-2); }
.compare tbody th { font-weight: 600; width: 22%; color: var(--text); }
.compare td { color: var(--text-2); }
.compare .us { background: rgba(135, 28, 255, .05); color: var(--text); }
.compare thead .us { background: var(--purple-bright); color: #fff; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }

/* Stats / results */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--ink-2); padding: 28px; }
.stat .v { font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 600; letter-spacing: -.03em; line-height: 1; display: block; margin-bottom: 12px; }
.stat .t { color: #fff; font-weight: 600; display: block; margin-bottom: 4px; }
.stat .d { color: var(--text-on-dark-2); font-size: .94rem; }
.footnote { font-size: .85rem; color: var(--text-on-dark-2); margin-top: 16px; }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stats { grid-template-columns: 1fr; } }

/* Facts strip */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 32px 0; border-top: 1px solid var(--line-dark); }
.facts div { font-size: .92rem; color: var(--text-on-dark-2); }
.facts strong { display: block; color: #fff; font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; margin-bottom: 2px; }
@media (max-width: 860px) { .facts { grid-template-columns: repeat(2, 1fr); } }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: s; }
.steps > li { position: relative; padding: 24px 20px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.steps > li::before { counter-increment: s; content: "0" counter(s); font-family: var(--font-mono); font-size: .8rem; color: var(--purple); display: block; margin-bottom: 12px; }
.steps h3 { font-size: 1.05rem; }
.steps p { font-size: .93rem; color: var(--text-2); margin: 0; }
@media (max-width: 1060px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps-long { grid-template-columns: 1fr; gap: 0; }
.steps-long > li { display: grid; grid-template-columns: 90px .9fr 1.3fr 1fr; gap: 28px; border-radius: 0; border: 0; border-top: 1px solid var(--line); background: transparent; padding: 32px 0; }
.steps-long > li::before { font-size: 2.2rem; font-family: var(--font-display); font-weight: 600; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.steps-long h3 { font-size: 1.3rem; }
.steps-long ul { margin: 0; color: var(--text-2); font-size: .96rem; }
@media (max-width: 860px) { .steps-long > li { grid-template-columns: 1fr; gap: 8px; } }

/* Service detail */
.svc-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.svc-nav a { font-size: .88rem; padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .18); color: var(--text-on-dark-2) !important; text-decoration: none; }
.svc-nav a:hover { color: #fff !important; border-color: rgba(255, 255, 255, .4); }
.svc { padding: clamp(56px, 7vw, 88px) 0; border-bottom: 1px solid var(--line); }
.svc:nth-child(even) { background: var(--paper-2); }
.svc-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; }
.svc-grid h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.svc .value { font-family: var(--font-display); font-size: 1.15rem; color: var(--text); font-weight: 500; }
.svc-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.svc-cols h3 { font-size: .8rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--purple); margin-bottom: 10px; }
.svc-cols ul { margin: 0; padding-left: 1.1em; color: var(--text-2); font-size: .97rem; }
.svc-cols li { margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.chips li { font-family: var(--font-mono); font-size: .8rem; padding: 6px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--text); }
.dark .chips li { background: var(--ink-3); border-color: var(--line-dark); color: var(--text-on-dark); }
.svc .full { grid-column: 1 / -1; }
@media (max-width: 900px) { .svc-grid { grid-template-columns: 1fr; gap: 28px; } }
@media (max-width: 600px) { .svc-cols { grid-template-columns: 1fr; } }
.badge-new { display: inline-block; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: rgba(240, 101, 74, .12); color: #a53a22; margin-left: 8px; vertical-align: middle; }

/* Tech categories */
.tech { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech .card h3 { margin-bottom: 14px; }
@media (max-width: 760px) { .tech { grid-template-columns: 1fr; } }
.disclaimer { font-size: .88rem; color: var(--text-2); border-left: 3px solid var(--line); padding-left: 14px; margin-top: 32px; }

/* FAQ */
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; position: relative; font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 14px; font-family: var(--font-mono); font-size: 1.4rem; color: var(--purple); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--text-2); padding-right: 40px; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; background: radial-gradient(700px 360px at 10% 0%, rgba(135, 28, 255, .35), transparent 60%), radial-gradient(600px 300px at 100% 100%, rgba(240, 101, 74, .25), transparent 60%), var(--ink); color: #fff; padding: clamp(64px, 8vw, 104px) 0; }
.cta-band h2 { color: #fff; max-width: 18em; }
.cta-band p { color: var(--text-on-dark-2); max-width: 40em; }

/* Founder */
.founder { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.founder > ul:not(.beliefs) { list-style: none; padding: 0; margin: 0; }
.founder > ul:not(.beliefs) li { padding: 12px 0 12px 28px; border-bottom: 1px solid var(--line); position: relative; }
.founder > ul:not(.beliefs) li::before { content: ""; position: absolute; left: 0; top: 21px; width: 12px; height: 2px; background: var(--grad); }
@media (max-width: 860px) { .founder { grid-template-columns: 1fr; } }

/* Engagement models */
.engage .card h3 { font-size: 1.1rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.form { display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form .row { grid-template-columns: 1fr; } }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.field .opt { font-weight: 400; color: var(--text-2); }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 1rem; color: var(--text); background: #fff; border: 1px solid #cfc9dc; border-radius: 10px; padding: 12px 14px; transition: border-color .15s ease, box-shadow .15s ease; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--purple-bright); box-shadow: 0 0 0 3px rgba(135, 28, 255, .2); }
.field [aria-invalid="true"] { border-color: #c0262d; }
.field .err { display: block; color: #b0232a; font-size: .86rem; margin-top: 6px; min-height: 0; }
.field .hint { display: block; color: var(--text-2); font-size: .85rem; margin-top: 6px; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.consent { font-size: .86rem; color: var(--text-2); }
.form-status { border-radius: 10px; padding: 14px 16px; font-size: .95rem; display: none; }
.form-status.ok { display: block; background: #eefaf2; color: #135c2f; border: 1px solid #b5e3c5; }
.form-status.bad { display: block; background: #fdf0f0; color: #8a1c22; border: 1px solid #f1c2c4; }
.form-status.info { display: block; background: #f5f0ff; color: #44207d; border: 1px solid #dacbff; }
.aside-card { background: var(--paper-2); border-radius: var(--radius); padding: 28px; border: 1px solid var(--line); }
.aside-card h2 { font-size: 1.2rem; }
.aside-card h3 { font-size: .78rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--text-2); margin: 22px 0 6px; }
.aside-card p { margin: 0; }
.aside-card address { font-style: normal; }

/* Prose (privacy) */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.45rem; margin-top: 2em; }
.prose h3 { margin-top: 1.5em; }
.prose p, .prose li { color: var(--text-2); }
.prose li { margin-bottom: .4em; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--text-on-dark-2); padding: 64px 0 28px; font-size: .94rem; border-top: 1px solid var(--line-dark); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h2 { font-family: var(--font-mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: #fff; margin-bottom: 14px; font-weight: 500; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a:not(.btn) { color: var(--text-on-dark-2); text-decoration: none; }
.site-footer a:not(.btn):hover { color: #fff; text-decoration: underline; }
.footer-tag { font-family: var(--font-mono); font-size: .86rem; margin: 16px 0 20px; color: var(--text-on-dark-2); }
.footer-tag .tag-code { color: var(--coral); }
.footer-bottom { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line-dark); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .84rem; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }

/* ---------- Motion ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
.bars rect { transform-origin: bottom; transform-box: fill-box; animation: rise 1.1s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes rise { from { transform: scaleY(0); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .cta-band, .bars { display: none; }
  body { color: #000; }
}

/* Certifications */
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; border-top: 3px solid; border-image: var(--grad) 1; border-image-slice: 1 0 0 0; }
.cert strong { display: block; font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; line-height: 1.3; letter-spacing: -.01em; }
.cert-issuer { display: block; font-family: var(--font-mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--purple); margin-bottom: 8px; }
.cert-note { font-size: .86rem; color: var(--text-2); margin-top: 20px; }
@media (max-width: 860px) { .certs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .certs { grid-template-columns: 1fr; } }