:root {
  --bg: #0a0c0f;
  --bg-raised: #11151a;
  --line: #1f262e;
  --line-strong: #2c3540;
  --text: #e9edf1;
  --muted: #98a3af;
  --accent: #5fe3c0;
  --accent-ink: #04231b;
  --flag: #ffb454;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --wrap: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 12, 15, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand svg {
  width: 22px;
  height: 22px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.nav a:hover {
  color: var(--text);
}

.lang {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
}

.lang a,
.lang span {
  padding: 2px 9px;
  border-radius: 999px;
}

.lang span {
  background: var(--line-strong);
  color: var(--text);
}

/* Hero */

.hero {
  padding: 96px 0 88px;
  background:
    radial-gradient(60% 70% at 85% 0%, rgba(95, 227, 192, 0.09), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 20px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 24px;
  font-size: clamp(38px, 5.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  font-weight: 650;
  text-wrap: balance;
}

.lede {
  margin: 0 0 36px;
  max-width: 34em;
  font-size: 19px;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: filter 0.15s, transform 0.15s;
}

.button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.stage {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.stage::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--flag);
  box-shadow: 0 0 0 4px rgba(255, 180, 84, 0.15);
}

/* Hero illustration */

.scan {
  margin: 0;
}

.scan svg {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #0d1014;
}

.scan figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: #6b7682;
  text-align: right;
}

.scan-beam {
  animation: sweep 7s linear infinite;
}

.scan-flag {
  animation: flag 7s linear infinite;
}

@keyframes sweep {
  from { transform: translateX(-60px); }
  to { transform: translateX(480px); }
}

@keyframes flag {
  0%, 56% { opacity: 0; }
  60%, 94% { opacity: 1; }
  100% { opacity: 0; }
}

/* Sections */

section {
  padding: 88px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 64px;
}

.section-head {
  max-width: 40em;
  margin-bottom: 48px;
}

.label {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 620;
  text-wrap: balance;
}

.section-head p:last-child {
  margin: 0;
  color: var(--muted);
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  list-style: none;
  margin: 0;
  padding: 0;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid > * {
  background: var(--bg-raised);
  padding: 28px 26px 30px;
}

.grid p {
  margin: 0;
  font-size: 15.5px;
  color: var(--muted);
}

.step-no {
  display: block;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.chips li {
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg-raised);
  font-size: 15.5px;
}

.note {
  max-width: 44em;
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

/* Status + contact */

.status-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 48px;
  align-items: center;
  padding: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background:
    radial-gradient(70% 120% at 100% 0%, rgba(95, 227, 192, 0.08), transparent 70%),
    var(--bg-raised);
}

.status-card p {
  margin: 0 0 14px;
  color: var(--muted);
}

.status-card p:last-child {
  margin-bottom: 0;
}

.contact {
  padding-left: 48px;
  border-left: 1px solid var(--line-strong);
}

.contact .label {
  color: var(--muted);
}

.mail {
  display: inline-block;
  margin-bottom: 22px;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration-color: var(--accent);
  text-underline-offset: 5px;
  overflow-wrap: anywhere;
}

/* Footer */

footer {
  padding: 32px 0 40px;
  font-size: 14px;
  color: #6b7682;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

footer a {
  color: var(--muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--text);
}

/* 404 */

.lost {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  border-bottom: 0;
}

.lost p {
  color: var(--muted);
}

/* Responsive */

@media (max-width: 900px) {
  .hero { padding: 64px 0; }
  .hero .wrap { grid-template-columns: 1fr; gap: 44px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .status-card { grid-template-columns: 1fr; gap: 32px; padding: 32px 26px; }
  .contact { padding: 32px 0 0; border-left: 0; border-top: 1px solid var(--line-strong); }
  section { padding: 64px 0; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav { gap: 0; }
  .nav > a { display: none; }
  .grid-4 { grid-template-columns: 1fr; }
  .lede { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scan-beam { animation: none; transform: translateX(300px); }
  .scan-flag { animation: none; opacity: 1; }
  .button { transition: none; }
}