/* SPLIT Reflex — public site styles.
   Palette and rules from projects/Split/STYLE.md (locked).
   Seven tokens only. Coral = left hand, cyan = right hand, nothing else.
   Geometry only: no gradients, glows, shadows, blur, texture, or raster art. */

:root {
  --bg: #101218;
  --panel: #14171E;
  --left: #FF6257;   /* coral — left hand, semantic only */
  --right: #35E0D4;  /* cyan — right hand, semantic only */
  --text: #F2F0EA;
  --muted: #8A8F99;
  --lines: #2A2E38;

  --sans: 800 1rem -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --maxw: 44rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: clamp(0.9375rem, 0.9rem + 0.3vw, 1rem); /* >= 15px */
  line-height: 1.6;
  overflow-x: hidden;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Skip link for keyboard users */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--panel);
  color: var(--text);
  padding: 0.6rem 1rem;
  border: 1px solid var(--lines);
  z-index: 10;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* Layout shell */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Header / nav */
.site-header {
  border-bottom: 1px solid var(--lines);
  padding-top: env(safe-area-inset-top);
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* Wordmark: letters split across the center axis, coral (left) / cyan (right). */
.wordmark {
  font: var(--sans);
  font-size: 1.375rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  line-height: 1;
}
.wordmark .l { color: var(--left); }
.wordmark .r { color: var(--right); }
.wordmark .bar {
  display: inline-block;
  width: 3px;
  align-self: stretch;
  background: var(--lines);
  margin: 0 0.14em;
}

nav.primary ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
}
nav.primary a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}
nav.primary a:hover,
nav.primary a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--lines);
}

/* Links in body */
a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-color: var(--lines);
}
a:hover { text-decoration-color: var(--muted); }

/* Visible focus everywhere — neutral, never a semantic accent. */
a:focus-visible,
button:focus-visible,
.skip:focus {
  outline: 2px solid var(--text);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Main */
main { display: block; }

/* Hero */
.hero {
  padding: clamp(2.5rem, 8vw, 5rem) 0 clamp(2rem, 6vw, 3.5rem);
  border-bottom: 1px solid var(--lines);
}
.hero-mark {
  display: block;
  width: 100%;
  max-width: 20rem;
  height: auto;
  margin: 0 0 clamp(1.5rem, 5vw, 2.5rem);
}
.hero h1 {
  font: var(--sans);
  font-size: clamp(2.75rem, 10vw, 4.5rem);
  letter-spacing: 0.04em;
  line-height: 0.95;
  margin: 0;
}
.hero h1 .l { color: var(--left); }
.hero h1 .r { color: var(--right); }
.hero h1 .bar {
  display: inline-block;
  width: 0.06em;
  height: 0.82em;
  background: var(--lines);
  margin: 0 0.1em;
  vertical-align: baseline;
}
.tagline {
  font-family: var(--mono);
  color: var(--text);
  font-size: clamp(1rem, 3.5vw, 1.25rem);
  margin: 1.25rem 0 0;
}
.subtag {
  color: var(--muted);
  margin: 0.5rem 0 0;
  max-width: 34rem;
}

/* Sections */
section { padding: clamp(2rem, 6vw, 3rem) 0; }
section + section { border-top: 1px solid var(--lines); }

h2 {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}
h3 {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--text);
  margin: 1.75rem 0 0.5rem;
}
p { margin: 0 0 1rem; max-width: 40rem; }
ul.list { margin: 0 0 1rem; padding-left: 1.15rem; max-width: 40rem; }
ul.list li { margin: 0 0 0.4rem; }

/* Two-lane explainer cards */
.lanes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--lines);
  border: 1px solid var(--lines);
}
.lane {
  background: var(--panel);
  padding: 1.25rem;
}
.lane .who {
  font: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}
.lane.left .who { color: var(--left); }
.lane.right .who { color: var(--right); }
.lane p { margin: 0; color: var(--text); }
@media (min-width: 40rem) {
  .lanes { grid-template-columns: 1fr 1fr; }
}

/* Call-to links row */
.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 0.5rem;
}
.pill {
  display: inline-block;
  padding: 0.6rem 1rem;
  border: 1px solid var(--lines);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pill:hover { border-color: var(--muted); }

/* Legal / prose pages */
.doc h1 {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2rem);
  letter-spacing: 0.02em;
  line-height: 1.2;
  margin: clamp(2rem, 6vw, 3rem) 0 0.5rem;
}
.doc .meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0 0 2rem;
}
.doc h2 {
  color: var(--text);
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: none;
  margin: 2rem 0 0.6rem;
}
.doc h3 {
  color: var(--muted);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.doc .address { color: var(--muted); font-style: normal; }
.callout {
  border: 1px solid var(--lines);
  border-left: 3px solid var(--muted);
  background: var(--panel);
  padding: 1rem 1.15rem;
  margin: 1.25rem 0;
}
.callout p:last-child { margin-bottom: 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--lines);
  margin-top: clamp(2rem, 8vw, 4rem);
  padding: 2rem 0 calc(2rem + env(safe-area-inset-bottom));
  color: var(--muted);
  font-size: 0.8125rem;
}
.site-footer .wrap { display: grid; gap: 1.25rem; }
.site-footer nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0;
  padding: 0;
}
.site-footer nav a {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}
.site-footer nav a:hover { color: var(--text); }
.legal-id { line-height: 1.7; }
.legal-id strong { color: var(--text); font-weight: 700; }

/* Reduced motion: this site ships with effectively no motion, but honor the
   preference for any transition a browser may add. */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}