/* Soul Matrix: web shell (glass-on-void)
   Depends on ../design/tokens.css (imported first in index.html).
   Hostable as-is via any static server (see deploy/). */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sm-font-text);
  color: var(--sm-text);
  background: var(--sm-void);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ambient background */
.sky {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(120% 90% at 12% -5%, rgba(155,140,255,0.20), transparent 55%),
    radial-gradient(90% 80% at 92% 8%, rgba(95,233,224,0.13), transparent 55%),
    radial-gradient(80% 70% at 70% 100%, rgba(255,158,196,0.10), transparent 55%),
    linear-gradient(180deg, var(--sm-void), var(--sm-ink));
}
#stars { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* top bar */
.bar {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(7,6,13,0.86), rgba(7,6,13,0.4));
  border-bottom: 1px solid var(--sm-stroke);
}
.bar .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.mark { display: flex; align-items: center; gap: 11px; font-weight: 600; letter-spacing: -0.01em; }
.mark small {
  font-family: var(--sm-font-mono); font-size: 11px; letter-spacing: 0.2em;
  color: var(--sm-faint); text-transform: uppercase; font-weight: 400;
}
.glyph { width: 22px; height: 22px; position: relative; flex: 0 0 auto; }
.glyph::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 210deg, var(--sm-violet), var(--sm-cyan), var(--sm-rose), var(--sm-violet));
  mask: radial-gradient(circle at 50% 50%, transparent 33%, #000 35%);
}
.bar nav { display: flex; gap: 20px; font-family: var(--sm-font-mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; }
.bar nav a { color: var(--sm-dim); text-decoration: none; }
.bar nav a:hover { color: var(--sm-text); }
.bar nav a.app-link { color: var(--sm-cyan); }
.bar nav a.app-link::before { content: "▸ "; }
@media (max-width: 640px) { .bar nav { display: none; } }

/* hero */
.hero { padding: 108px 0 72px; }
.hero .eyebrow {
  font-family: var(--sm-font-mono); font-size: 12px; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--sm-violet); display: flex; align-items: center; gap: 12px; margin-bottom: 22px;
}
.hero .eyebrow::before { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, var(--sm-violet), transparent); }
.hero h1 {
  margin: 0; font-family: var(--sm-font-display);
  font-size: clamp(46px, 9vw, 104px); font-weight: 680; letter-spacing: -0.045em; line-height: 0.95;
  background: linear-gradient(180deg, #FFFFFF 30%, #C6BEF0 78%, #8E86BE);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .thesis {
  font-size: clamp(18px, 2.6vw, 26px); max-width: 26ch; margin-top: 26px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.3;
}
.hero .thesis b { background: var(--sm-aura-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 650; }
.hero .sub { color: var(--sm-dim); max-width: 56ch; margin-top: 20px; }

/* buttons */
.cta {
  display: inline-block; margin-top: 28px; padding: 13px 24px; border-radius: var(--sm-r-md);
  font-weight: 600; color: #0A0913; text-decoration: none;
  background: linear-gradient(90deg, var(--sm-cyan), var(--sm-violet));
  box-shadow: 0 12px 30px -12px var(--sm-violet);
  transition: transform var(--sm-t-base) var(--sm-ease);
}
.cta:hover { transform: translateY(-2px); }
.cta.ghost {
  color: var(--sm-text); background: var(--sm-glass);
  border: 1px solid var(--sm-stroke-2); box-shadow: none; margin-left: 10px;
}
.cta .arrow { display: inline-block; margin-left: 9px; transition: transform var(--sm-t-base) var(--sm-ease); }
.cta:hover .arrow { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) {
  .cta, .cta .arrow { transition: none; }
  .cta:hover { transform: none; }
  .cta:hover .arrow { transform: none; }
}

/* glass card */
.card {
  background: linear-gradient(180deg, var(--sm-glass-2), var(--sm-glass));
  border: 1px solid var(--sm-stroke); border-radius: var(--sm-r-lg);
  padding: 24px; backdrop-filter: blur(8px);
}

/* element strip */
.elements { display: grid; grid-template-columns: repeat(8, 1fr); gap: 10px; margin-top: 18px; }
@media (max-width: 720px) { .elements { grid-template-columns: repeat(4, 1fr); } }
.el {
  border: 1px solid var(--sm-stroke); border-radius: var(--sm-r-md); padding: 14px 10px;
  text-align: center; background: var(--sm-glass); transition: transform var(--sm-t-base) var(--sm-ease), border-color var(--sm-t-base);
}
.el:hover { transform: translateY(-4px); border-color: var(--sm-stroke-2); }
.el .orb {
  width: 44px; height: 44px; border-radius: 50%; margin: 0 auto 10px;
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,0.4), var(--c) 55%, transparent 78%),
    radial-gradient(circle at 60% 70%, var(--c), rgba(0,0,0,0.4));
  box-shadow: 0 0 24px -4px var(--c), inset 0 0 12px rgba(255,255,255,0.25);
}
.el b { display: block; font-size: 12.5px; }
.el span { font-family: var(--sm-font-mono); font-size: 10px; color: var(--sm-faint); letter-spacing: 0.08em; }

/* section */
section { padding: 64px 0; }
.eyebrow2 { font-family: var(--sm-font-mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--sm-violet); margin-bottom: 14px; }
h2 { font-family: var(--sm-font-display); font-size: clamp(26px, 4.2vw, 40px); font-weight: 650; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
.lead { color: var(--sm-dim); font-size: clamp(16px, 2.1vw, 19px); max-width: 62ch; margin-top: 14px; }

/* egg demo */
.egg-demo { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; margin-top: 28px; }
.egg-stage {
  width: 220px; height: 260px; border-radius: var(--sm-r-xl);
  border: 1px solid var(--sm-stroke);
  background: radial-gradient(circle at 50% 60%, #14121f, #08070d);
  display: grid; place-items: center;
}
.egg-picker { display: flex; flex-wrap: wrap; gap: 8px; max-width: 380px; }
.egg-picker button {
  font-family: var(--sm-font-mono); font-size: 11px; letter-spacing: 0.06em;
  padding: 8px 12px; border-radius: var(--sm-r-pill); cursor: pointer;
  color: var(--sm-text); background: var(--sm-glass); border: 1px solid var(--sm-stroke);
  transition: border-color var(--sm-t-fast), transform var(--sm-t-fast);
}
.egg-picker button:hover { transform: translateY(-2px); }
.egg-picker button[aria-pressed="true"] { border-color: var(--c); box-shadow: 0 0 16px -6px var(--c); }
.egg-picker button:focus-visible { outline: 2px solid var(--sm-cyan); outline-offset: 2px; }

footer { padding: 48px 0 72px; border-top: 1px solid var(--sm-stroke); color: var(--sm-faint); font-size: 13px; margin-top: 40px; }