/* H4 — AI consultancy. Editorial, deep-teal palette with a mint accent. */
:root {
  --ink: #001517;
  --ink-2: #000d0e;
  --teal-900: #012b30;
  --teal-700: #056671;
  --mint: #14f3c1;
  --mint-soft: #d0fdf2;
  --mist: #f5f7f7;
  --mist-2: #ebf4f5;
  --line: #d8e9eb;
  --muted: #5b6e70;
  --muted-dark: #9fb5b7;
  --white: #ffffff;

  --radius: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow: 0 1px 2px rgba(0, 21, 23, .04), 0 12px 32px -12px rgba(0, 21, 23, .12);
  --font: "Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Fragment Mono", ui-monospace, monospace;
  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --section: clamp(72px, 10vw, 128px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.1; letter-spacing: -0.025em; font-weight: 600; text-wrap: balance; }
h1 { font-size: clamp(42px, 6.4vw, 84px); letter-spacing: -0.04em; }
h2 { font-size: clamp(32px, 4.2vw, 54px); letter-spacing: -0.035em; }
h3 { font-size: 22px; }
h4 { font-size: 19px; }
p { margin: 0; text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 6px; }

.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; }
.skip-link { position: absolute; left: 16px; top: -48px; z-index: 100; background: var(--mint); color: var(--ink); padding: 10px 16px; border-radius: 10px; font-weight: 600; }
.skip-link:focus { top: 16px; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section) 0; }
.section-tight { padding: calc(var(--section) * .6) 0; }
.bg-mist { background: var(--mist); }
.bg-ink { background: var(--ink); color: var(--white); }

/* ---------- Buttons & labels ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 22px; border-radius: var(--radius-pill); border: 1px solid transparent;
  font: 500 15px/1.2 var(--font); cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), background-color .25s, color .25s, border-color .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-accent { background: var(--mint); color: var(--ink); }
.btn-accent:hover { background: #4ff7d2; }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--teal-900); }
.btn-ghost { border-color: rgba(255,255,255,.25); color: var(--white); }
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }
.btn-outline { border-color: var(--line); color: var(--ink); background: var(--white); }
.btn-outline:hover { border-color: var(--ink); }

.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.link-arrow span { transition: transform .25s var(--ease); }
.link-arrow:hover span { transform: translateX(4px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em;
  color: var(--teal-700); margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--mint); }
.eyebrow-dark { color: var(--mint); }

.tag {
  display: inline-block; padding: 6px 12px; border-radius: var(--radius-pill);
  background: var(--mist-2); color: var(--teal-700); font: 500 12px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase;
}

.section-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px 64px; align-items: end; margin-bottom: 56px; }
.section-head p { color: var(--muted); font-size: 18px; }
.section-head.center { grid-template-columns: 1fr; text-align: center; justify-items: center; max-width: 760px; margin-inline: auto; }
.bg-ink .section-head p { color: var(--muted-dark); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background-color .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent; color: var(--white);
}
.site-header.is-scrolled { background: rgba(0, 21, 23, .82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: rgba(255,255,255,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 20px; letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; gap: 32px; font-size: 15px; }
.nav a:not(.btn) { opacity: .82; transition: opacity .2s, color .2s; position: relative; }
.nav a:not(.btn):hover, .nav a[aria-current="page"] { opacity: 1; color: var(--mint); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.2); border-radius: 12px; background: transparent; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--white); border-radius: 2px; transition: transform .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--ink); color: var(--white);
  padding: calc(76px + clamp(64px, 10vw, 120px)) 0 clamp(64px, 8vw, 104px);
}
.hero-grid-bg {
  position: absolute; inset: 0; z-index: -2; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
}
.hero-orb {
  position: absolute; z-index: -1; width: 720px; height: 720px; right: -200px; top: -160px; border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(20,243,193,.35), rgba(5,102,113,.25) 40%, transparent 70%);
  filter: blur(20px); animation: drift 14s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: translate(-80px, 60px) scale(1.08); } }
.hero-inner { display: grid; grid-template-columns: 1.25fr 1fr; gap: 64px; align-items: end; }
.hero h1 em { font-style: normal; color: var(--mint); }
.hero-lead { font-size: clamp(18px, 1.6vw, 20px); color: var(--muted-dark); max-width: 520px; margin: 28px 0 40px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-proof { display: flex; align-items: center; gap: 14px; margin-top: 40px; color: var(--muted-dark); font-size: 15px; }
.avatars { display: flex; }
.avatars span { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--ink); margin-left: -10px; display: grid; place-items: center; font: 600 12px/1 var(--font); color: var(--ink); }
.avatars span:first-child { margin-left: 0; }
.hero-proof strong { color: var(--white); font-weight: 600; }

.hero-panel {
  background: linear-gradient(160deg, rgba(1,43,48,.9), rgba(0,13,14,.9));
  border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); padding: 28px;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.6);
}
.panel-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; font: 13px/1 var(--mono); color: var(--muted-dark); }
.live-dot { display: inline-flex; align-items: center; gap: 8px; color: var(--mint); }
.live-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 0 rgba(20,243,193,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(20,243,193,0); } 100% { box-shadow: 0 0 0 0 rgba(20,243,193,0); } }
.metric-big { font-size: 56px; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.metric-big small { font-size: 18px; color: var(--mint); margin-left: 8px; letter-spacing: 0; }
.metric-label { color: var(--muted-dark); font-size: 14px; margin-top: 8px; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 120px; margin: 28px 0; }
.bars span { flex: 1; border-radius: 6px 6px 2px 2px; background: rgba(255,255,255,.1); transform-origin: bottom; animation: grow 1.2s var(--ease) both; }
.bars span.on { background: linear-gradient(to top, var(--teal-700), var(--mint)); }
@keyframes grow { from { transform: scaleY(0); } }
.panel-rows { display: grid; gap: 10px; }
.panel-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.04); font-size: 14px; }
.panel-row b { font-weight: 500; color: var(--mint); font-family: var(--mono); font-size: 13px; }

.logo-strip { margin-top: clamp(56px, 8vw, 96px); padding-top: 32px; border-top: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.logo-strip p { font-size: 14px; color: var(--muted-dark); }
.logos { display: flex; gap: clamp(24px, 4vw, 56px); flex-wrap: wrap; align-items: center; }
.logos span { font-weight: 600; font-size: 20px; letter-spacing: -0.02em; color: rgba(255,255,255,.55); }

/* Inner page hero */
.page-hero { background: var(--ink); color: var(--white); padding: calc(76px + clamp(56px, 8vw, 96px)) 0 clamp(56px, 8vw, 96px); position: relative; overflow: hidden; isolation: isolate; }
.page-hero .hero-orb { width: 560px; height: 560px; top: -240px; }
.page-hero p { color: var(--muted-dark); font-size: 19px; max-width: 620px; margin-top: 24px; }
.page-hero h1 { font-size: clamp(40px, 5.4vw, 72px); max-width: 900px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card p { color: var(--muted); margin-top: 12px; }
.bg-mist .card { border-color: transparent; }
.card-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--ink); color: var(--mint); display: grid; place-items: center; margin-bottom: 28px; }
.card-icon svg { width: 24px; height: 24px; }
.card-num { font: 500 13px/1 var(--mono); color: var(--teal-700); margin-bottom: 40px; display: block; }

.bg-ink .card { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.08); color: var(--white); }
.bg-ink .card p { color: var(--muted-dark); }
.bg-ink .card:hover { border-color: rgba(20,243,193,.4); box-shadow: none; }
.bg-ink .card-icon { background: var(--mint); color: var(--ink); }

/* About split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.split-lead { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.3; letter-spacing: -0.02em; font-weight: 500; }
.split-lead span { color: var(--muted); }
.trust-chip { display: inline-flex; align-items: center; gap: 12px; margin-top: 32px; padding: 10px 18px 10px 10px; border-radius: var(--radius-pill); background: var(--mist); font-size: 15px; }
.trust-chip b { background: var(--ink); color: var(--mint); border-radius: var(--radius-pill); padding: 6px 12px; font-weight: 600; }

/* Service list */
.service-list { border-top: 1px solid var(--line); }
.service-row {
  display: grid; grid-template-columns: 80px 1.1fr 1.4fr 48px; gap: 24px; align-items: center;
  padding: 32px 8px; border-bottom: 1px solid var(--line); transition: background-color .3s, padding .3s var(--ease);
}
.service-row:hover { background: var(--mist); padding-inline: 24px; }
.service-row .idx { font: 500 14px/1 var(--mono); color: var(--teal-700); }
.service-row h3 { font-size: clamp(22px, 2.4vw, 30px); }
.service-row p { color: var(--muted); }
.service-row .arrow { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: background-color .3s, transform .3s var(--ease), border-color .3s; }
.service-row:hover .arrow { background: var(--mint); border-color: var(--mint); transform: rotate(-45deg); }

/* Case studies */
.case-card { display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; background: var(--white); border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-visual { aspect-ratio: 16 / 10; position: relative; overflow: hidden; background: var(--ink); display: flex; align-items: flex-end; padding: 28px; color: var(--white); }
.case-visual::before { content: ""; position: absolute; inset: 0; background: var(--case-bg, radial-gradient(circle at 80% 20%, rgba(20,243,193,.45), transparent 55%)); }
.case-visual::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 40px 40px; }
.case-stat { position: relative; z-index: 1; }
.case-stat strong { display: block; font-size: clamp(48px, 6vw, 72px); font-weight: 600; letter-spacing: -0.04em; line-height: 1; color: var(--mint); }
.case-stat span { color: rgba(255,255,255,.8); font-size: 15px; }
.case-body { padding: 28px; display: grid; gap: 14px; flex: 1; align-content: start; }
.case-body h3 { font-size: 24px; }
.case-body p { color: var(--muted); }
.case-meta { display: flex; gap: 8px; flex-wrap: wrap; }

/* Process */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 32px 28px; border-radius: var(--radius); background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); }
.step-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; }
.step-top .tag { background: rgba(20,243,193,.12); color: var(--mint); }
.step-top b { font: 500 13px/1 var(--mono); color: var(--muted-dark); }
.step p { color: var(--muted-dark); margin-top: 12px; font-size: 16px; }

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-col { border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); }
.compare-col h3 { font-size: 24px; margin-bottom: 28px; display: flex; align-items: center; gap: 12px; }
.compare-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.compare-col li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; }
.compare-col li i { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-size: 13px; font-weight: 700; margin-top: 2px; }
.compare-them { background: var(--mist); color: var(--muted); }
.compare-them h3 { color: var(--ink); }
.compare-them li i { background: var(--line); color: var(--muted); }
.compare-us { background: var(--ink); color: var(--white); position: relative; overflow: hidden; }
.compare-us::before { content: ""; position: absolute; width: 400px; height: 400px; right: -160px; top: -160px; border-radius: 50%; background: radial-gradient(circle, rgba(20,243,193,.28), transparent 70%); }
.compare-us li i { background: var(--mint); color: var(--ink); }
.compare-us > * { position: relative; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 40px 28px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat strong { display: block; font-size: clamp(44px, 5vw, 64px); font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.stat span { display: block; color: var(--muted); margin-top: 12px; font-size: 15px; }

/* Testimonial */
.quote-card { border-radius: var(--radius-lg); background: var(--mist); padding: clamp(32px, 5vw, 64px); display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: end; }
.quote-card blockquote { margin: 0; font-size: clamp(22px, 2.6vw, 34px); line-height: 1.3; letter-spacing: -0.02em; font-weight: 500; }
.quote-card blockquote::before { content: "“"; display: block; font-size: 80px; line-height: .6; color: var(--teal-700); margin-bottom: 16px; }
.quote-who { display: flex; align-items: center; gap: 16px; }
.quote-who .avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--mint), var(--teal-700)); display: grid; place-items: center; font-weight: 600; color: var(--ink); flex: none; }
.quote-who span { display: block; color: var(--muted); font-size: 15px; }

/* Blog / insights */
.post-card { display: flex; flex-direction: column; gap: 18px; padding: 12px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.post-thumb { aspect-ratio: 4 / 3; border-radius: 14px; background: var(--ink); position: relative; overflow: hidden; }
.post-thumb::before { content: ""; position: absolute; inset: 0; background: var(--thumb, radial-gradient(circle at 30% 70%, rgba(20,243,193,.5), transparent 60%)); }
.post-thumb::after { content: attr(data-glyph); position: absolute; right: 18px; bottom: 10px; font: 600 72px/1 var(--font); color: rgba(255,255,255,.12); letter-spacing: -0.05em; }
.post-body { padding: 4px 12px 16px; display: grid; gap: 12px; }
.post-meta { display: flex; gap: 12px; align-items: center; font: 13px/1 var(--mono); color: var(--muted); }
.post-body h3 { font-size: 20px; line-height: 1.3; }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.faq-wrap .section-head { display: block; margin: 0; position: sticky; top: 120px; }
.faq-wrap .section-head p { margin: 20px 0 28px; }
.faq { display: grid; gap: 12px; }
.faq details { border-radius: 16px; background: var(--white); border: 1px solid var(--line); transition: border-color .3s, background-color .3s; }
.faq details[open] { border-color: var(--ink); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 500; font-size: 18px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--mist); display: grid; place-items: center; font-size: 20px; transition: transform .3s var(--ease), background-color .3s; }
.faq details[open] summary::after { transform: rotate(45deg); background: var(--mint); }
.faq details p { padding: 0 24px 24px; color: var(--muted); }

/* CTA */
.cta-panel { position: relative; overflow: hidden; isolation: isolate; border-radius: var(--radius-lg); background: var(--ink); color: var(--white); text-align: center; padding: clamp(56px, 8vw, 112px) clamp(24px, 5vw, 64px); }
.cta-glow { position: absolute; inset: auto 0 -60% 0; height: 120%; z-index: -1; background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(20,243,193,.35), transparent 70%); }
.cta-panel h2 { font-size: clamp(36px, 5vw, 64px); max-width: 760px; margin: 0 auto; }
.cta-panel > p { color: var(--muted-dark); max-width: 560px; margin: 20px auto 36px; font-size: 18px; }
.cta-actions { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.rating { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--muted-dark); }
.rating strong { color: var(--white); }
.stars { color: var(--mint); letter-spacing: 2px; }
.cta-panel .fine-print { margin-top: 28px; font-size: 13px; color: rgba(255,255,255,.45); }

/* Footer */
.site-footer { background: var(--ink-2); color: var(--muted-dark); padding: 80px 0 32px; font-size: 15px; }
.footer-top { display: grid; grid-template-columns: 1.2fr 1.5fr; gap: 64px; padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .brand { color: var(--white); }
.footer-brand > p { margin: 20px 0 28px; max-width: 360px; }
.newsletter { display: flex; flex-wrap: wrap; gap: 8px; max-width: 420px; }
.newsletter input { flex: 1 1 200px; min-width: 0; padding: 12px 18px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04); color: var(--white); font: 15px var(--font); }
.newsletter input::placeholder { color: rgba(255,255,255,.4); }
.newsletter .form-note { flex-basis: 100%; font-size: 14px; color: var(--mint); min-height: 1em; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-cols h3 { font: 500 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--white); margin-bottom: 20px; }
.footer-cols a { display: block; padding: 6px 0; transition: color .2s; }
.footer-cols a:hover, .footer-bottom a:hover { color: var(--mint); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 28px; font-size: 14px; }

/* ---------- Services page ---------- */
.service-detail { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 96px); padding: 64px 0; border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.service-detail:first-child { border-top: 0; padding-top: 0; }
.service-detail .idx { font: 500 14px/1 var(--mono); color: var(--teal-700); display: block; margin-bottom: 20px; }
.service-detail h2 { font-size: clamp(30px, 3.4vw, 44px); }
.service-detail .lead { font-size: 19px; color: var(--muted); margin-bottom: 28px; }
.checklist { list-style: none; padding: 0; margin: 0 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--mint-soft); color: var(--teal-700); font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.deliverable { display: flex; flex-wrap: wrap; gap: 24px; padding: 20px 24px; border-radius: 16px; background: var(--mist); font-size: 15px; }
.deliverable b { display: block; font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--teal-700); margin-bottom: 6px; }

/* Pricing / engagement models */
.price-card { display: flex; flex-direction: column; gap: 20px; }
.price-card .price { font-size: 40px; font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.price-card .price small { font-size: 15px; color: var(--muted); font-weight: 400; letter-spacing: 0; }
.price-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; color: var(--muted); font-size: 15px; flex: 1; }
.price-card ul li::before { content: "— "; color: var(--teal-700); }
.price-card.featured { background: var(--ink); color: var(--white); border-color: var(--ink); }
.price-card.featured ul, .price-card.featured .price small, .price-card.featured p { color: var(--muted-dark); }
.price-card.featured ul li::before { color: var(--mint); }

/* Case study page filter */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn { padding: 10px 18px; border-radius: var(--radius-pill); border: 1px solid var(--line); background: var(--white); font: 500 14px var(--font); cursor: pointer; color: var(--ink); transition: all .25s; }
.filter-btn:hover { border-color: var(--ink); }
.filter-btn[aria-pressed="true"] { background: var(--ink); color: var(--mint); border-color: var(--ink); }
.case-card[hidden] { display: none; }

/* About page */
.team-card { text-align: left; padding: 12px; }
.team-photo { aspect-ratio: 1; border-radius: 14px; background: var(--ink); display: grid; place-items: center; font-size: 48px; font-weight: 600; color: var(--mint); letter-spacing: -0.04em; position: relative; overflow: hidden; }
.team-photo::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 70% 20%, rgba(20,243,193,.3), transparent 60%); }
.team-photo span { position: relative; }
.team-card h3 { font-size: 19px; margin: 18px 8px 4px; }
.team-card p { margin: 0 8px 8px; font-size: 15px; }
.timeline { display: grid; gap: 0; border-left: 1px solid var(--line); margin-left: 8px; }
.timeline-item { position: relative; padding: 0 0 40px 40px; }
.timeline-item::before { content: ""; position: absolute; left: -7px; top: 6px; width: 13px; height: 13px; border-radius: 50%; background: var(--mint); border: 3px solid var(--white); box-shadow: 0 0 0 1px var(--line); }
.timeline-item b { font: 500 14px/1 var(--mono); color: var(--teal-700); }
.timeline-item h3 { margin: 10px 0 8px; }
.timeline-item p { color: var(--muted); }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact-info { display: grid; gap: 20px; }
.contact-info .card { padding: 24px 28px; }
.contact-info .card h3 { font-size: 17px; margin-bottom: 4px; }
.contact-info .card p { margin-top: 4px; }
.form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 44px); display: grid; gap: 20px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--mist);
  font: 16px var(--font); color: var(--ink); transition: border-color .2s, background-color .2s;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); background: var(--white); }
.field .error { color: #b42318; font-size: 13px; min-height: 0; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #b42318; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { cursor: pointer; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 9px 16px; border-radius: var(--radius-pill); border: 1px solid var(--line); font-size: 14px; transition: all .2s; }
.chips input:checked + span { background: var(--ink); color: var(--mint); border-color: var(--ink); }
.chips input:focus-visible + span { outline: 2px solid var(--mint); outline-offset: 2px; }
.form-success { display: none; text-align: center; padding: 48px 16px; }
.form-success .card-icon { margin: 0 auto 24px; }
.form.sent > :not(.form-success) { display: none; }
.form.sent .form-success { display: block; }

/* 404 */
.not-found { min-height: 100vh; display: grid; place-items: center; text-align: center; }
.not-found .code { font-size: clamp(120px, 22vw, 260px); font-weight: 700; letter-spacing: -0.06em; line-height: .9; background: linear-gradient(180deg, var(--mint), var(--teal-700)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4, .process { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-panel { max-width: 560px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .footer-top { grid-template-columns: 1fr; }
  .quote-card { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); padding: 8px var(--gutter) 24px; border-bottom: 1px solid rgba(255,255,255,.1);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .25s, transform .25s var(--ease), visibility .25s;
  }
  .nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav a:not(.btn) { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 18px; }
  .nav-cta { margin-top: 20px; }
  .section-head, .split, .faq-wrap, .contact-grid, .service-detail { grid-template-columns: 1fr; }
  .faq-wrap .section-head { position: static; }
  .grid-3, .grid-2, .compare { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 48px 1fr 40px; gap: 8px 16px; }
  .service-row p { grid-column: 2 / 3; }
  .service-row .arrow { grid-row: 1; grid-column: 3; width: 40px; height: 40px; }
  .service-row:hover { padding-inline: 8px; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .grid-4, .process, .stats { grid-template-columns: 1fr; }
  .stat, .stat:first-child, .stat:nth-child(3) { border-left: 0; padding: 28px 0; }
  .stat + .stat { border-top: 1px solid var(--line); }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .form-row, .checklist { grid-template-columns: 1fr; }
  .card { padding: 26px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .logo-strip { flex-direction: column; align-items: flex-start; gap: 20px; }
}

/* Above-the-fold entrance: pure CSS so the hero never waits on JS */
.rise { animation: rise .9s var(--ease) both; animation-delay: var(--d, 0s); }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } }