:root {
  --bg: #f7f6f3;
  --bg-subtle: #efeee8;
  --fg: #0e0e0f;
  --fg-muted: #6b6b6f;
  --accent: #c03a28;
  --accent-hover: #a0301f;
  --border: #e4e3dc;
  --accent-glow: rgba(192, 58, 40, 0.2);
  --card-bg: rgba(247, 246, 243, 0.72);
  --card-border: var(--border);
  --scene-opacity: 0.18;
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif;
  --font-mono:
    ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --measure: 32rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0f;
    --bg-subtle: #17171a;
    --fg: #ececee;
    --fg-muted: #8a8a90;
    --accent: #ff6b56;
    --accent-hover: #ff8b78;
    --border: #232326;
    --accent-glow: rgba(255, 107, 86, 0.4);
    --card-bg: rgba(23, 23, 26, 0.65);
    --card-border: #26262b;
    --scene-opacity: 0.34;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-feature-settings: "kern", "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  isolation: isolate;
}

/* ── Animated background canvas (home only) ─────────────── */

.scene-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.site-header,
main.container,
.site-footer {
  position: relative;
  z-index: 1;
}

.container {
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

main.container {
  width: 100%;
  flex: 1;
  padding-block: 3rem 4.5rem;
}

.gate-mark {
  color: var(--accent);
  vertical-align: -0.2em;
}

/* ── Kicker (shared small-caps style) ────────────────────────── */

.kicker {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ── Site header ─────────────────────────────────────────────── */

.site-header {
  border-bottom: 1px solid var(--border);
  padding-block: 1rem;
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.site-title {
  margin-right: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
}
.site-title .gate-mark {
  width: 1.15em;
  height: 1.15em;
  vertical-align: -0.15em;
}
.site-title .wordmark {
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--fg);
  text-transform: uppercase;
  font-size: 0.78rem;
}
.site-title:hover .wordmark { color: var(--accent); }

/* ── Language switcher ───────────────────────────────────────── */

.lang-switcher {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0.5rem;
  align-items: center;
}
.lang-switcher li { display: flex; }
.lang-switcher a {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 0.1rem 0.15rem;
  border-bottom: 1.5px solid transparent;
}
.lang-switcher a:hover { color: var(--accent); }
.lang-switcher .is-active a {
  color: var(--fg);
  border-bottom-color: var(--accent);
}

/* ── Hero (home) ─────────────────────────────────────────────── */

.hero {
  padding-block: 3.5rem 2.5rem;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.75rem;
}
.status-chip::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--accent);
}
.status-chip .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  font-size: 0.78rem;
}

.home h1 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(3.5rem, 14vw, 11rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin: 0 0 1.5rem;
  color: var(--fg);
  background-image: linear-gradient(180deg, var(--fg) 0%, var(--accent) 110%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (prefers-color-scheme: dark) {
  .home h1 {
    filter: drop-shadow(0 0 28px var(--accent-glow));
  }
  .home .lede {
    color: #c8c8cc;
  }
}

.hero {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 4.5rem 3rem;
}

.home .lede {
  font-weight: 450;
}

.home .lede {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.8vw, 1.375rem);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--fg-muted);
  margin: 0;
  max-width: 36rem;
}

/* ── Body prose ──────────────────────────────────────────────── */

.prose {
  max-width: var(--measure);
}
.prose p {
  margin: 0 0 1.2rem;
  letter-spacing: -0.003em;
}
.prose p:last-child { margin-bottom: 0; }

.prose strong {
  font-weight: 600;
  color: var(--fg);
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 120ms, text-decoration-color 120ms;
}
.prose a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent);
}

.prose em, .prose i { font-style: italic; }

/* ── Footer ──────────────────────────────────────────────────── */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-block: 1.25rem;
}
.site-footer .container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.site-footer .kicker { margin: 0; }
.site-footer a {
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 120ms, border-color 120ms;
}
.site-footer a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Selection + focus ───────────────────────────────────────── */

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

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

/* ── Primary CTA ─────────────────────────────────────────── */

.cta-row { margin-top: 2.5rem; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 1.1rem 2rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.005em;
  text-decoration: none;
  border-radius: 0.7rem;
  transition: transform 180ms, box-shadow 180ms, background 180ms, color 180ms;
}
.cta--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  box-shadow: 0 10px 36px var(--accent-glow),
              0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
  animation: cta-pulse 2.8s ease-in-out infinite;
}
.cta--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 52px var(--accent-glow),
              0 0 0 1px var(--accent);
  animation-play-state: paused;
}
.cta--primary:active { transform: translateY(-1px); }
.cta--primary span { transition: transform 180ms; }
.cta--primary:hover span { transform: translateX(4px); }

@keyframes cta-pulse {
  0%, 100% { box-shadow: 0 10px 36px var(--accent-glow),
                          0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent); }
  50%      { box-shadow: 0 14px 48px var(--accent-glow),
                          0 0 0 1px color-mix(in srgb, var(--accent) 70%, transparent); }
}

@media (prefers-reduced-motion: reduce) {
  .cta--primary { animation: none; }
}

/* ── Intro paragraph (home, between hero and feature grids) ─ */

.intro {
  max-width: 38rem;
  margin: 0 0 4rem;
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--fg);
}
.intro p { margin: 0 0 1rem; }
.intro p:last-child { margin: 0; }
.intro strong { font-weight: 600; }

/* ── Feature sections (home) ─────────────────────────────── */

.feature-section { margin-block: 4rem; }

.section-eyebrow {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 1.25rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1.5rem 1.5rem 1.4rem;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: transform 240ms, border-color 240ms, box-shadow 240ms;
}
.feature-card:hover {
  border-color: var(--accent);
  box-shadow: 0 10px 32px var(--accent-glow);
  transform: translateY(-2px);
}
.feature-card p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--fg);
}
.feature-card strong {
  font-weight: 600;
  color: var(--fg);
}

/* ── Closer prose (home, after feature grids) ────────────── */

.closer {
  margin-top: 4rem;
  max-width: var(--measure);
}

/* ── Reveal-on-load (hero) and reveal-on-scroll (cards) ──── */

.js .reveal,
.js [data-gsap="card"] {
  opacity: 0;
  transform: translateY(40px);
  will-change: opacity, transform;
}

@media (prefers-reduced-motion: reduce) {
  .scene-canvas { display: none; }
  .js .reveal,
  .js [data-gsap="card"] {
    opacity: 1 !important;
    transform: none !important;
    will-change: auto;
  }
}