/* Enceladus, Inc. — design tokens from Linear DESIGN.md (awesome-design-md) */

:root {
  /* colors */
  --color-primary: #5e6ad2;
  --color-on-primary: #ffffff;
  --color-primary-hover: #828fff;
  --color-primary-focus: #5e69d1;
  --color-ink: #f7f8f8;
  --color-ink-muted: #d0d6e0;
  --color-ink-subtle: #8a8f98;
  --color-ink-tertiary: #62666d;
  --color-canvas: #010102;
  --color-surface-1: #0f1011;
  --color-surface-2: #141516;
  --color-surface-3: #18191a;
  --color-hairline: #23252a;
  --color-hairline-strong: #34343a;

  /* rounded */
  --rounded-xs: 4px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;

  /* spacing */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-section: 96px;

  --font-sans: "Inter", "SF Pro Display", -apple-system, system-ui, "Segoe UI",
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo,
    Roboto, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background-color: transparent;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.05px;
  -webkit-font-smoothing: antialiased;
}

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

/* ambient background layers */
.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

body::before {
  content: "";
  position: fixed;
  inset: -10%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(720px 480px at 72% -8%, rgba(94, 106, 210, 0.30), transparent 70%),
    radial-gradient(1000px 620px at 12% 112%, rgba(130, 143, 255, 0.14), transparent 70%),
    radial-gradient(560px 400px at 95% 55%, rgba(94, 106, 210, 0.12), transparent 70%);
  animation: aurora-drift 26s ease-in-out infinite alternate;
}

@keyframes aurora-drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-2.5%, 1.5%, 0); }
}

/* scroll-triggered reveal (class applied by JS; no-JS pages stay fully visible) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body::before { animation: none; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* top-nav */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 56px;
  background-color: rgba(1, 1, 2, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-hairline);
}

.top-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--color-ink);
}

.wordmark .mark {
  display: block;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-ink-subtle);
}

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

/* language toggle — pill tabs */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-pill);
  padding: 2px;
  gap: 2px;
}

.lang-toggle a,
.lang-toggle span {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.2;
  padding: 5px 12px;
  border-radius: var(--rounded-pill);
  color: var(--color-ink-subtle);
}

.lang-toggle .active {
  background-color: var(--color-surface-2);
  color: var(--color-ink);
}

.lang-toggle a:hover {
  color: var(--color-ink);
}

/* hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 580px;
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.hero .container {
  position: relative;
  z-index: 1;
  width: 100%;
}

/* orbital illustration after the company logo:
   banded Saturn with a ring of 14 cratered moons */
.hero-visual {
  position: absolute;
  top: 50%;
  right: -70px;
  width: 580px;
  transform: translateY(-50%);
  pointer-events: none;
  user-select: none;
  animation: planet-float 14s ease-in-out infinite alternate;
}

.hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* the 14 moons slowly orbit the planet */
.hero-visual .moons {
  transform-box: view-box;
  transform-origin: 50% 50%;
  animation: moon-orbit 180s linear infinite;
}

@keyframes moon-orbit {
  to { transform: rotate(360deg); }
}

@keyframes planet-float {
  from { transform: translateY(-52%); }
  to { transform: translateY(-48%); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-visual,
  .hero-visual .moons {
    animation: none;
  }
}

.eyebrow {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.4px;
  color: var(--color-primary-hover);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-size: 56px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -1.8px;
  margin-bottom: var(--space-lg);
  background: linear-gradient(180deg, var(--color-ink) 55%, rgba(247, 248, 248, 0.65) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-ink);
}

.hero .subhead {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.1px;
  color: var(--color-ink-muted);
  max-width: 640px;
}

/* sections */
.section {
  padding: var(--space-xxl) 0;
}

.section:last-of-type {
  padding-bottom: var(--space-section);
}

.section h2 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.6px;
  margin-bottom: var(--space-xl);
}

/* feature-card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.feature-card {
  background-color: var(--color-surface-1);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--space-lg);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  border-color: var(--color-hairline-strong);
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(94, 106, 210, 0.12),
    0 0 32px rgba(94, 106, 210, 0.08);
}

@media (prefers-reduced-motion: reduce) {
  .feature-card,
  .feature-card:hover {
    transform: none;
    transition: none;
  }
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.3px;
  margin-bottom: var(--space-xs);
}

.feature-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-ink-subtle);
}

/* focus badges */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.status-badge {
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink-muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--rounded-pill);
  padding: 6px 16px;
}

/* company info table */
.info-card {
  background-color: var(--color-surface-1);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}

.info-table th,
.info-table td {
  text-align: left;
  vertical-align: top;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-hairline);
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: none;
}

.info-table th {
  width: 180px;
  font-weight: 500;
  color: var(--color-ink-subtle);
  white-space: nowrap;
}

.info-table td {
  color: var(--color-ink-muted);
}

/* prose pages (privacy policy) */
.prose {
  max-width: 720px;
  padding: var(--space-xxl) 0 var(--space-section);
}

.prose h1 {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: var(--space-sm);
}

.prose .meta {
  font-size: 13px;
  color: var(--color-ink-tertiary);
  margin-bottom: var(--space-xxl);
}

.prose h2 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.3px;
  margin: var(--space-xl) 0 var(--space-sm);
}

.prose p,
.prose li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-ink-muted);
}

.prose p {
  margin-bottom: var(--space-md);
}

.prose ul {
  margin: 0 0 var(--space-md);
  padding-left: 22px;
}

.prose li {
  margin-bottom: var(--space-xxs);
}

/* footer */
.footer {
  border-top: 1px solid var(--color-hairline);
  padding: var(--space-xl) 0 var(--space-xxl);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer,
.footer a {
  font-size: 12px;
  line-height: 1.4;
  color: var(--color-ink-subtle);
}

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

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

/* responsive */
@media (max-width: 768px) {
  .hero {
    min-height: 0;
    padding: var(--space-xxl) 0;
  }

  .hero-visual {
    width: 380px;
    right: -190px;
    opacity: 0.5;
  }

  .hero h1 {
    font-size: 36px;
    letter-spacing: -1px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .info-table th {
    width: auto;
    display: block;
    padding-bottom: 0;
    border-bottom: none;
  }

  .info-table td {
    display: block;
    padding-top: var(--space-xxs);
  }

  .prose h1 {
    font-size: 30px;
    letter-spacing: -0.6px;
  }
}