/* Volare Labs — sitio de una sola página. HTML plano + JS vanilla, sin build step. */

:root {
  --bg: #f3f3f3;
  --text: #16181d;
  --text-dim: #5c6472;
  --text-dimmer: #9aa2ad;
  --accent: #0f9488;
  --accent-2: #5457e0;
  --line: rgba(22, 24, 29, 0.11);
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
}

/* La sección "sorpresa" (ver .surprise) es la única banda oscura del
   sitio — usa sus propios tokens, no los globales de arriba. */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--text-dimmer); }
a:hover { border-color: var(--accent); color: var(--accent); }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Wordmark */
.mark {
  position: fixed;
  top: 28px;
  left: 28px;
  z-index: 10;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-dim);
}
.mark span { color: var(--text-dimmer); }

/* Stage: full-viewport opening with network canvas */
.stage {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.statement {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.statement h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.1rem, 5vw + 1rem, 4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  color: var(--text);
}

.statement .sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.3rem);
  color: var(--text-dim);
  margin: 0 auto;
  max-width: 46ch;
}

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--text-dimmer));
}

/* Thesis */
.thesis {
  padding: 120px 0;
  border-top: 1px solid var(--line);
}
.thesis p {
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.3rem);
  color: var(--text-dim);
  margin: 0 0 1.6em;
}
.thesis p:last-child { margin-bottom: 0; }
.thesis strong { color: var(--text); font-weight: 600; }

/* Sorpresa: la única banda oscura del sitio, en medio del scroll. Trae su
   propio fondo — no depende de --bg — porque el resto del sitio es claro. */
.surprise {
  position: relative;
  min-height: 64vh;
  background: #0a0e14;
  overflow: hidden;
}
.surprise canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Contact */
.contact {
  padding: 140px 0 120px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.contact h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.8rem, 3vw + 1rem, 2.6rem);
  margin: 0 0 0.6em;
}
.contact a.email {
  display: inline-block;
  font-size: clamp(1.05rem, 1.2vw + 0.8rem, 1.3rem);
  color: var(--accent);
  border-color: var(--accent);
}
.contact a.email:hover { color: var(--accent-2); border-color: var(--accent-2); }

/* Footer */
footer.site-footer {
  padding: 32px 0 48px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-dimmer);
}
footer.site-footer a { color: var(--text-dimmer); border: none; }
footer.site-footer a:hover { color: var(--text-dim); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}