:root {
  color-scheme: dark;
  --ink: #f4f1ea;
  --muted: #aaa9a6;
  --dim: #74736f;
  --bg: #0a0a0a;
  --panel: #111111;
  --panel-2: #171717;
  --line: rgba(255, 255, 255, 0.13);
  --line-strong: rgba(255, 255, 255, 0.27);
  --glow: rgba(255, 255, 255, 0.08);
  --max: 1180px;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 8%, rgba(255, 255, 255, 0.075), transparent 28rem),
    radial-gradient(circle at 5% 70%, rgba(255, 255, 255, 0.035), transparent 32rem),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: blur(18px);
}

.site-header.scrolled {
  border-color: var(--line);
}

.nav-shell {
  width: min(calc(100% - 2rem), var(--max));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.wordmark span {
  color: var(--dim);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-links a,
.lang-toggle {
  padding: 0.65rem 0.8rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"],
.lang-toggle:hover,
.lang-toggle:focus-visible {
  background: var(--glow);
  color: var(--ink);
  outline: none;
}

.lang-toggle {
  border: 1px solid var(--line);
  min-width: 3rem;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  content: "";
}

main {
  overflow: hidden;
}

.shell {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.hero {
  min-height: calc(100svh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 8rem);
  padding: 6rem 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", Inter, sans-serif;
  line-height: 1.02;
}

h1 {
  max-width: 820px;
  margin-bottom: 1.5rem;
  font-size: clamp(3.9rem, 9.5vw, 8.5rem);
  font-weight: 600;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 1.2rem;
  font-size: clamp(2.35rem, 5.2vw, 5rem);
  font-weight: 560;
  letter-spacing: -0.05em;
}

h3 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  font-weight: 560;
  letter-spacing: -0.035em;
}

.hero-copy > p,
.page-intro > p {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button.primary {
  background: var(--ink);
  color: var(--bg);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  background: var(--ink);
  color: var(--bg);
  outline: none;
}

.signal {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.signal::before,
.signal::after {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
}

.signal::before {
  inset: 2%;
  animation: drift 18s linear infinite;
}

.signal::after {
  inset: 19%;
  border-style: dashed;
  animation: drift 12s linear infinite reverse;
}

.signal-core {
  position: relative;
  z-index: 1;
  width: 43%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 36% 64% 50% 50% / 48% 44% 56% 52%;
  background: linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.015));
  box-shadow: 0 0 90px rgba(255, 255, 255, 0.09);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.08em;
}

.signal-dot {
  position: absolute;
  top: 8%;
  right: 18%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 20px var(--ink);
}

@keyframes drift {
  to { transform: rotate(360deg); }
}

.section {
  padding: clamp(5.5rem, 11vw, 10rem) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(300px, 1.3fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-heading p {
  max-width: 690px;
  color: var(--muted);
  font-size: 1.08rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  position: relative;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.4rem, 3vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--panel-2), var(--panel));
  transition: transform 180ms ease, border-color 180ms ease;
}

.card::after {
  position: absolute;
  width: 190px;
  height: 190px;
  right: -75px;
  bottom: -95px;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
}

a.card:hover,
a.card:focus-visible {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  outline: none;
}

.card-number,
.status {
  color: var(--dim);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.card p {
  max-width: 30ch;
  margin-bottom: 0;
  color: var(--muted);
}

.card-arrow {
  margin-top: 2rem;
  font-size: 1.5rem;
}

.manifesto {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
}

.manifesto-copy {
  color: var(--muted);
  font-size: clamp(1.2rem, 2.6vw, 2rem);
  line-height: 1.45;
}

.quote {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 7vw, 6.8rem);
  font-weight: 600;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.page-hero {
  padding: clamp(7rem, 15vw, 12rem) 0 clamp(4rem, 8vw, 7rem);
}

.page-intro h1 {
  max-width: 980px;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(230px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(2rem, 7vw, 7rem);
}

.rail {
  color: var(--muted);
}

.rail strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
}

.content-stack {
  display: grid;
  gap: 1rem;
}

.content-panel {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.content-panel p:last-child {
  margin-bottom: 0;
}

.content-panel p,
.content-panel li {
  color: var(--muted);
}

.list-clean {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.list-clean li {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
}

.footer-grid p {
  margin: 0.4rem 0 0;
  color: var(--dim);
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 76px;
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(17, 17, 17, 0.98);
    box-shadow: 0 24px 60px rgba(0,0,0,0.45);
  }
  .nav-links.open { display: flex; }
  .nav-links a, .lang-toggle { text-align: left; }
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 5.5rem 0;
  }
  .signal { width: min(76vw, 420px); margin: 0 auto; }
  .section-heading,
  .manifesto,
  .page-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 280px; }
}

@media (max-width: 520px) {
  .nav-shell,
  .shell { width: min(calc(100% - 1.25rem), var(--max)); }
  h1 { font-size: clamp(3.2rem, 18vw, 5rem); }
  .actions { flex-direction: column; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; align-items: start; }
}