:root {
  --bg: #0a0a0a;
  --bg-alt: #131313;
  --bg-card: #161616;
  --bg-elev: #1c1c1c;

  --ink: #ffffff;
  --ink-soft: #d4d4d4;
  --ink-muted: #8a8a8a;
  --ink-faint: #555555;

  --accent: #e63946;
  --accent-soft: #ff5b6b;
  --accent-faint: rgba(230, 57, 70, 0.12);

  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.18);

  --max: 1240px;
  --transition: 260ms cubic-bezier(0.2, 0.7, 0.3, 1);
  --focus: 0 0 0 2px var(--accent);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a {
  color: var(--ink);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--accent); }

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

::selection {
  background: var(--accent);
  color: var(--ink);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 8px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 14px;
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus { top: 8px; color: var(--bg); }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}
.container.narrow { max-width: 860px; }

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  flex: 0 1 auto;
  min-width: 0;
  margin-right: auto;
}
.brand:hover { color: var(--ink); }
.brand-logo {
  display: block;
  height: 40px;
  width: auto;
  transition: filter var(--transition);
}
.brand:hover .brand-logo {
  filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.25));
}
@media (max-width: 480px) {
  .brand-logo { height: 32px; }
}

.primary-nav {
  display: none;
  gap: 32px;
  align-items: center;
}
.primary-nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -4px;
  height: 1.5px;
  background: var(--accent);
  transition: right var(--transition);
}
.primary-nav a:hover { color: var(--ink); }
.primary-nav a:hover::after { right: 0; }

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  flex: 0 0 auto;
}
.lang-btn {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--ink-muted);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 8px 14px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.lang-btn.is-active {
  background: var(--ink);
  color: var(--bg);
}

/* === Hero === */
.hero {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero .eyebrow,
.hero .hero-title,
.hero .hero-tagline,
.hero .hero-lede,
.hero .hero-cta {
  opacity: 0;
  transform: translateY(18px);
  animation: heroIn 850ms cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}
.hero .eyebrow { animation-delay: 100ms; }
.hero .hero-title { animation-delay: 220ms; }
.hero .hero-tagline { animation-delay: 360ms; }
.hero .hero-lede { animation-delay: 480ms; }
.hero .hero-cta { animation-delay: 600ms; }

@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero .eyebrow,
  .hero .hero-title,
  .hero .hero-tagline,
  .hero .hero-lede,
  .hero .hero-cta {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* Hexagon motif accent */
.hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: 60px;
  width: 360px;
  height: 360px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><polygon points='50,4 92,28 92,72 50,96 8,72 8,28' fill='none' stroke='rgba(255,255,255,0.07)' stroke-width='1'/></svg>");
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
}
@media (min-width: 720px) {
  .hero::after { right: -40px; top: 40px; width: 480px; height: 480px; }
}

.eyebrow,
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 24px;
}
.eyebrow::before,
.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1.5px;
  background: var(--accent);
}

.hero-title {
  font-size: clamp(38px, 6.5vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
  color: var(--ink);
  font-weight: 700;
  max-width: 18ch;
}
.hero-tagline {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 400;
  margin: 0 0 28px;
  color: var(--ink-soft);
  max-width: 42ch;
  line-height: 1.4;
}
.hero-lede {
  font-size: 16px;
  color: var(--ink-muted);
  max-width: 58ch;
  margin: 0 0 36px;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* === Marquee band === */
.marquee {
  display: flex;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  padding: 28px 0;
  user-select: none;
}
.marquee-track {
  display: flex;
  gap: 56px;
  white-space: nowrap;
  animation: marqueeMove 38s linear infinite;
  flex-shrink: 0;
  padding-right: 56px;
}
.marquee-item {
  font-size: clamp(28px, 4.4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 56px;
}
.marquee-item::after {
  content: '◆';
  color: var(--accent);
  font-size: 0.5em;
  font-weight: 400;
}
@keyframes marqueeMove {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* === Sections === */
.section {
  padding: 100px 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.section:first-of-type { border-top: 0; }

.section-muted {
  background: var(--bg-alt);
}
.section-dark {
  background: #050505;
}

.section-heading {
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
  color: var(--ink);
  font-weight: 700;
  max-width: 22ch;
}

.lede {
  font-size: 18px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  max-width: 72ch;
  line-height: 1.6;
}
.section p {
  max-width: 72ch;
  color: var(--ink-muted);
  font-size: 16px;
  line-height: 1.7;
}
.section p strong { color: var(--ink); font-weight: 600; }

/* === Cards === */
.card-grid {
  display: grid;
  gap: 1px;
  margin-top: 44px;
  grid-template-columns: 1fr;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background var(--transition);
  position: relative;
}
.section-muted .card { background: var(--bg-alt); }
.section-muted .card:hover { background: var(--bg-elev); }
.card::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 480ms cubic-bezier(0.2, 0.7, 0.3, 1);
}
.card:hover {
  background: var(--bg-card);
}
.card:hover::after {
  width: 100%;
}
.card .card-num {
  transition: color var(--transition);
}
.card:hover .card-num {
  color: var(--ink);
}
.card h3 {
  transition: transform var(--transition);
  transform-origin: left center;
}
.card:hover h3 {
  transform: translateX(6px);
}
.card h3 {
  font-size: 19px;
  margin: 0 0 12px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.65;
}
.card-num {
  display: inline-block;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.16em;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
}

/* === Founder block === */
.person {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  padding: 40px;
  margin-top: 32px;
}
.person h3 {
  margin: 0 0 6px;
  color: var(--ink);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.person-role {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.person p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 16px;
  line-height: 1.65;
}

/* === Data grid (registry info) === */
.data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 36px 0 0;
  border-top: 1px solid var(--line);
}
.data-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.data-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.data-value {
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
}

/* === Contact === */
.contact-list {
  list-style: none;
  padding: 0;
  margin: 36px 0 0;
  border-top: 1px solid var(--line);
}
.contact-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.contact-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.contact-list a {
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
}
.contact-list a:hover { color: var(--accent); }
.contact-list span:not(.contact-label) {
  color: var(--ink);
  font-size: 17px;
  font-weight: 500;
}

/* === Footer === */
.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}
.copyright {
  margin: 0;
  font-size: 13px;
  color: var(--ink-muted);
}
.fineprint {
  margin: 0;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* === Reveal on scroll === */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* === Responsive === */
@media (min-width: 720px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .data-grid { grid-template-columns: 1fr 1fr; gap: 0 1px; background: var(--line); }
  .data-row {
    background: var(--bg-alt);
    grid-template-columns: 1fr;
    padding: 22px 24px;
  }
  .contact-list li {
    grid-template-columns: 140px 1fr;
    gap: 24px;
    align-items: baseline;
  }
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
}
@media (min-width: 920px) {
  .primary-nav { display: inline-flex; }
}
@media (min-width: 1024px) {
  .hero { padding: 160px 0 140px; }
  .section { padding: 120px 0; }
}