/* AltiJump — legal microsite. Deliberate dark "instrument panel" direction:
   the product is a barometric altimeter, so the site borrows its palette
   (dark dial, amber freefall accent, tick-mark rhythm) rather than a
   default light marketing look. */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --color-bg: #0a0d12;
  --color-bg-raised: #10141b;
  --color-surface: #141922;
  --color-border: #232a35;
  --color-border-strong: #313a48;
  --color-text: #e8ecf1;
  --color-text-dim: #9aa5b3;
  --color-text-faint: #616d7d;
  --color-accent: #ff8f3d;
  --color-accent-dim: #7a4a24;
  --color-canopy: #3d9dff;
  --color-danger: #ff5d5d;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
  --text-hero: clamp(2.25rem, 1.7rem + 2.6vw, 4rem);

  --space-1: 0.5rem;
  --space-2: 0.875rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-section: clamp(3rem, 2.2rem + 4vw, 6rem);

  --radius: 14px;
  --radius-sm: 8px;

  --duration-fast: 150ms;
  --duration-normal: 260ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 15% -10%, rgba(255, 143, 61, 0.08), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(61, 157, 255, 0.06), transparent 55%),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out-expo);
}

a:hover,
a:focus-visible {
  color: #ffb27a;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: #fff;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: #1a1005;
  padding: 0.6em 1em;
  border-radius: 0 0 8px 0;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

/* ---- Shell ---- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  max-width: 880px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-3) 0;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: #fff;
}

.wordmark small {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

.wordmark:hover,
.wordmark:focus-visible {
  color: #fff;
}

.lang-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.lang-switch a {
  padding: 0.35em 0.9em;
  border-radius: 999px;
  color: var(--color-text-dim);
}

.lang-switch a[aria-current='true'] {
  background: var(--color-accent-dim);
  color: #ffd9b0;
}

.lang-switch a:hover {
  color: #fff;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3) var(--space-section);
}

/* ---- Hero ---- */

.hero {
  padding: var(--space-4) 0 var(--space-3);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4em;
  bottom: 2.2em;
  width: 3px;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-accent) 0 6px,
    transparent 6px 14px
  );
  opacity: 0.55;
}

.hero-inner {
  padding-left: var(--space-3);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin: 0 0 var(--space-1);
}

.hero h1 {
  font-size: var(--text-hero);
  margin: 0 0 var(--space-1);
}

.hero .dek {
  color: var(--color-text-dim);
  font-size: var(--text-lg);
  max-width: 52ch;
  margin: 0;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  margin-top: var(--space-3);
  padding-left: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.meta-row strong {
  color: var(--color-text-dim);
  font-weight: 500;
}

/* ---- Legal document body ---- */

.legal-doc {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.legal-doc h2 {
  font-size: var(--text-xl);
  margin: var(--space-4) 0 var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.legal-doc section:first-of-type h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-doc h2 .num {
  display: inline-block;
  min-width: 1.6em;
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-weight: 500;
}

.legal-doc p {
  color: #d3d9e0;
  margin: 0 0 var(--space-2);
}

.legal-doc p:last-child {
  margin-bottom: 0;
}

.callout {
  border-left: 3px solid var(--color-danger);
  background: rgba(255, 93, 93, 0.08);
  padding: var(--space-2) var(--space-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-weight: 500;
  color: #ffdada;
}

.legal-doc a {
  text-decoration: underline;
  text-decoration-color: var(--color-accent-dim);
  text-underline-offset: 2px;
}

/* ---- Home page cards ---- */

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.doc-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  color: var(--color-text);
  transition: border-color var(--duration-normal) var(--ease-out-expo),
    transform var(--duration-normal) var(--ease-out-expo),
    background var(--duration-normal) var(--ease-out-expo);
}

.doc-card:hover,
.doc-card:focus-visible {
  border-color: var(--color-border-strong);
  background: var(--color-bg-raised);
  transform: translateY(-2px);
  color: var(--color-text);
}

.doc-card .num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.doc-card h3 {
  font-size: var(--text-lg);
  margin: 0.3em 0 0.2em;
}

.doc-card p {
  color: var(--color-text-dim);
  margin: 0;
  font-size: var(--text-sm);
}

/* ---- Footer ---- */

.site-footer {
  max-width: 880px;
  margin: 0 auto;
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  justify-content: space-between;
}

.site-footer a {
  color: var(--color-text-dim);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
  }
}