:root {
  --ink: #15151a;
  --ink-soft: #292932;
  --violet: #7257ff;
  --violet-dark: #5038d0;
  --violet-soft: #edeaff;
  --tatra: #7a63ff;
  --cloud: #f7f7f9;
  --line: #e3e3ea;
  --muted: #747887;
  --white: #ffffff;
  --radius: 28px;
  --shadow: 0 30px 90px rgba(21, 21, 26, .13);
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', Inter, system-ui, -apple-system, sans-serif;
  --max-w: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--cloud);
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.skip-link {
  position: absolute;
  top: -44px;
  left: 16px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--white);
  background: var(--ink);
}
.skip-link:focus { top: 16px; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(247, 247, 249, .84);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 12px 32px rgba(21, 21, 26, .06);
}
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--sans); font-weight: 700; font-size: 15px; letter-spacing: -.02em; }
.brand img { width: 58px; height: 34px; object-fit: contain; }
.nav { display: flex; gap: 24px; color: var(--muted); font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: .06em; }
.nav a:hover { color: var(--ink); }
.header-cta {
  padding: 11px 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ── Type scale ── */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--tatra);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--tatra);
  flex-shrink: 0;
}
.dark .eyebrow,
.contact .eyebrow {
  color: #b7adff;
}
.dark .eyebrow::before,
.contact .eyebrow::before {
  background: #b7adff;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 700;
  max-width: 1040px;
  margin-bottom: 24px;
  font-size: clamp(56px, 6vw, 72px);
  line-height: 1.0;
  letter-spacing: -.02em;
  color: var(--ink);
}
h2 {
  font-family: var(--serif);
  font-weight: 400;
  margin-bottom: 20px;
  font-size: clamp(36px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--tatra);
}
h3 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.dark h2 { color: var(--white); }
.hero-text, .body-copy p, .product-copy p, .founder-copy p, .fit-list p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
}
.hero-text { max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .02em;
}
.button.primary { border-color: var(--violet); background: var(--violet); color: var(--white); }
.button.primary:hover { border-color: var(--violet-dark); background: var(--violet-dark); }
.button.secondary:hover { background: var(--white); }
.button.large { min-height: 62px; padding: 0 32px; }

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(80px, 10vw, 140px) clamp(20px, 5vw, 72px) 60px;
}
.hero-visual { position: relative; }
.mark-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 520px;
  border: 1px solid rgba(21,21,26,.08);
  border-radius: 44px;
  overflow: hidden;
  background:
    radial-gradient(circle at 24% 16%, rgba(114,87,255,.22), transparent 30%),
    linear-gradient(135deg, #fff, #efedf8 54%, #1b1b22 54.2%, #1b1b22);
  box-shadow: var(--shadow);
}
.mark-stage img { position: relative; z-index: 2; width: min(78%, 420px); filter: drop-shadow(0 28px 60px rgba(21,21,26,.18)); }
.orb { position: absolute; border-radius: 999px; filter: blur(1px); }
.orb-one { width: 160px; height: 160px; left: 28px; bottom: 38px; background: rgba(114,87,255,.23); }
.orb-two { width: 90px; height: 90px; right: 44px; top: 38px; background: rgba(255,255,255,.65); }
.hero-note {
  position: absolute;
  right: -20px;
  bottom: 28px;
  max-width: 290px;
  padding: 20px;
  border-radius: 24px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(21,21,26,.16);
}
.hero-note span { display: block; margin-bottom: 8px; color: var(--tatra); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.hero-note strong { display: block; font-family: var(--serif); font-size: 22px; line-height: 1.15; letter-spacing: -.01em; }

/* ── Ticker ── */
.ticker {
  margin: 0 clamp(20px, 5vw, 72px);
  padding: clamp(24px, 4vw, 40px);
  overflow: hidden;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--ink);
}
.ticker p { margin: 0; font-family: var(--serif); font-style: italic; font-size: clamp(22px, 3.5vw, 48px); font-weight: 400; line-height: 1.1; letter-spacing: -.01em; }

/* ── Sections ── */
.section { padding: clamp(100px, 11vw, 140px) clamp(20px, 5vw, 72px); }
.intro, .split, .product, .proof, .founder {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: start;
}
.body-copy p { max-width: 780px; }
.body-copy strong { color: var(--ink); }

/* ── How it works ── */
.how-it-works {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: start;
}
.steps-list { display: grid; gap: 16px; }
.step {
  display: flex;
  gap: 24px;
  align-items: start;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
}
.step-number { flex-shrink: 0; color: var(--tatra); font-weight: 700; letter-spacing: .08em; font-size: 12px; padding-top: 4px; text-transform: uppercase; }
.step h3 { margin-bottom: 10px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

/* ── Brand map (removed but keep stub for safety) ── */
.brand-map {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  padding: 0 clamp(20px, 5vw, 72px) clamp(76px, 10vw, 120px);
}
.map-card {
  min-height: 300px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.map-card.parent { background: var(--ink); color: var(--white); }
.violet-card { background: var(--violet); color: var(--white); }
.label { display: inline-flex; margin-bottom: 76px; color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.parent .label, .violet-card .label { color: rgba(255,255,255,.72); }
.map-card h3 { margin-bottom: 14px; font-size: clamp(28px, 3.6vw, 48px); }
.map-card p { margin-bottom: 0; color: var(--ink-soft); font-size: 16px; }
.parent p, .violet-card p { color: rgba(255,255,255,.78); }

/* ── Dark section ── */
.dark { background: var(--ink); color: var(--white); }
.dark h2 { color: var(--white); }
.light-copy p { color: rgba(255,255,255,.76); }

/* ── Service cards ── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 0 clamp(20px, 5vw, 72px) clamp(100px, 10vw, 140px);
}
.service-cards { margin-top: -42px; }
.card {
  min-height: 282px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.card-number { display: inline-flex; margin-bottom: 56px; color: var(--tatra); font-weight: 700; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.card p { color: var(--muted); font-size: 15px; line-height: 1.7; }

/* ── Intelligence / Product ── */
.product { align-items: center; }
.product-copy p { max-width: 760px; }
.system-panel {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.system-panel div {
  padding: 22px;
  border-radius: 22px;
  background: var(--cloud);
  border: 1px solid var(--line);
}
.system-panel span { display: block; margin-bottom: 8px; color: var(--tatra); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.system-panel strong { font-family: var(--serif); font-size: clamp(22px, 2.8vw, 36px); line-height: 1.1; letter-spacing: -.01em; }

/* ── Values ── */
.values { padding-top: 0; }
.values h2 { max-width: 980px; }
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.value-grid article {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
}
.value-grid p { color: var(--muted); font-size: 15px; line-height: 1.7; }

/* ── Founder ── */
.founder {
  padding: clamp(100px, 11vw, 140px) clamp(20px, 5vw, 72px);
  background: var(--white);
}
.founder-image { overflow: hidden; border-radius: 40px; box-shadow: var(--shadow); }
.founder-image img { width: 100%; aspect-ratio: 1 / 1.05; object-fit: cover; object-position: 50% 34%; }
.founder-copy { align-self: center; }
.founder-copy p { max-width: 760px; }

/* ── Proof ── */
.fit-list {
  display: grid;
  gap: 14px;
}
.fit-list p {
  margin: 0;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  font-size: 16px;
}
.fit-list strong { color: var(--ink); }

/* ── Contact ── */
.contact {
  margin: 0 clamp(20px, 5vw, 72px) clamp(40px, 6vw, 70px);
  padding: clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  border-radius: 38px;
  background: var(--ink);
  color: var(--white);
}
.contact h2 { max-width: 1000px; margin: 0; color: var(--white); }
.contact-actions { display: flex; flex-direction: column; gap: 12px; }
.contact-actions .button.secondary { border-color: rgba(255,255,255,.3); color: var(--white); }
.contact-actions .button.secondary:hover { background: rgba(255,255,255,.08); }

/* ── Footer ── */
.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .02em;
}
.footer p { margin: 0; }

/* ── Responsive: tablet 1024px ── */
@media (max-width: 1024px) {
  .nav { display: none; }
  .hero, .how-it-works, .split, .product, .proof, .founder, .contact { grid-template-columns: 1fr; }
  .cards, .value-grid { grid-template-columns: 1fr 1fr; }
  .hero-note { right: 18px; }
}

/* ── Responsive: mobile 768px ── */
@media (max-width: 768px) {
  .site-header { padding-inline: 18px; }
  .header-cta { display: none; }
  .hero { padding-top: 56px; }
  h1 { font-size: clamp(44px, 12vw, 64px); }
  h2 { font-size: clamp(30px, 8vw, 40px); }
  .cards, .value-grid { grid-template-columns: 1fr; }
  .mark-stage { min-height: 360px; }
  .hero-note { position: static; margin-top: 14px; max-width: none; }
  .service-cards { margin-top: 0; }
  .footer { flex-direction: column; }
  .contact { grid-template-columns: 1fr; }
  .contact-actions { flex-direction: row; flex-wrap: wrap; }
}