/* Atrium by Seven — site styles
 *
 * Voice register: Picard-calm. Future-arrived.
 * Typography does most of the work. The starfield does the rest.
 *
 * Apex (/)        — the calling. Hero + capability constellation.
 * About (/about/) — the venture, lineages, governance. (legacy classes
 *                   .keystone/.body/.nav-arrows/.about-section preserved.)
 */

:root {
  --bg:           #06060a;
  --bg-soft:      #0c0c12;
  --panel:        rgba(20, 20, 26, 0.55);
  --panel-edge:   rgba(168, 139, 72, 0.18);
  --rule:         #1f1f28;
  --ink:          #e8e6df;
  --ink-soft:     #a8a59a;
  --ink-dim:      #6b6a62;
  --gold:         #a88b48;
  --gold-soft:    #c6a763;
  --measure:      40rem;
  --serif:        "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans:         -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:         ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Deep-field backdrop ---------------------------------------------- */

#starfield {
  position: fixed;
  inset: 0;
  z-index: -2;
  display: block;
}

/* Nebula: a faint gold dawn low on the field, a cool depth up top.
   Sits above the canvas, below the content. */
.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 116%, rgba(168, 139, 72, 0.20) 0%, rgba(168, 139, 72, 0.06) 28%, transparent 56%),
    radial-gradient(90% 70% at 78% -10%, rgba(70, 84, 120, 0.16) 0%, transparent 50%),
    linear-gradient(180deg, #04040799 0%, transparent 30%, transparent 72%, #03030666 100%);
}

a {
  color: var(--gold-soft);
  text-decoration: none;
  transition: color 120ms ease;
}
a:hover,
a:focus { color: var(--ink); }

/* ---- Apex layout ------------------------------------------------------- */

.wrap {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 6rem 1.5rem 3rem;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 1.8rem;
}
.eyebrow .sep { color: var(--ink-dim); margin: 0 0.5em; }

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 6vw, 4rem);
  line-height: 1.08;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin: 0 0 2rem;
  color: var(--ink);
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-soft);
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
  max-width: 34rem;
}
.lede strong { color: var(--ink); font-weight: 600; }

.scroll-cue {
  margin-top: 2.6rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.scroll-cue .arrow { color: var(--gold); display: inline-block; animation: float 2.6s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

/* ---- Capability constellation ----------------------------------------- */

.constellation {
  padding: 4rem 0 5rem;
}

.section-head {
  max-width: var(--measure);
  margin: 0 auto 3rem;
  padding: 0 0.25rem;
}
.section-head .kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 1rem;
}
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}
.section-head h2 em { font-style: normal; color: var(--gold-soft); }

.caps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.cap {
  position: relative;
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  background: var(--panel);
  backdrop-filter: blur(7px) saturate(115%);
  -webkit-backdrop-filter: blur(7px) saturate(115%);
  padding: 1.9rem 1.8rem 2rem;
  transition: border-color 200ms ease, transform 200ms ease, background 200ms ease;
}
.cap:hover {
  border-color: rgba(198, 167, 99, 0.42);
  transform: translateY(-3px);
  background: rgba(24, 24, 31, 0.66);
}

.cap .cap-mark {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 0.9rem;
}
.cap h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.45rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 0.2rem;
}
.cap .tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.98rem;
  color: var(--gold-soft);
  margin: 0 0 1rem;
}
.cap p {
  font-family: var(--sans);
  font-size: 0.98rem;
  line-height: 1.62;
  color: var(--ink-soft);
  margin: 0;
}

/* Featured tile — Vestibule. Spans full width, warmer edge. */
.cap.featured {
  grid-column: 1 / -1;
  border-color: rgba(198, 167, 99, 0.34);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(168, 139, 72, 0.12) 0%, transparent 55%),
    var(--panel);
}
.cap .badge {
  position: absolute;
  top: 1.6rem;
  right: 1.7rem;
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--gold-soft);
  padding: 0.28em 0.7em;
  border-radius: 999px;
}
.cap.featured h3 { font-size: 1.8rem; }
.cap.featured p { max-width: 38rem; font-size: 1.04rem; }

/* ---- Closing calling --------------------------------------------------- */

.calling {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}
.calling p {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 0.4rem;
}
.calling p.soft { color: var(--gold-soft); }

/* ---- Footer ------------------------------------------------------------ */

footer {
  margin: 3rem auto 3rem;
  max-width: var(--measure);
  padding: 2.4rem 1.5rem 0;
  border-top: 1px solid var(--rule);
  text-align: center;
  font-family: var(--sans);
  color: var(--ink-dim);
}
footer .wordmark {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.16em;
  color: var(--ink);
  font-weight: 400;
  margin: 0;
}
footer .byline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--gold-soft);
  margin: 0.4rem 0 0.4rem;
}
footer .held {
  font-size: 0.82rem;
  color: var(--ink-dim);
  margin: 0 0 1.4rem;
}
footer .links {
  font-family: var(--sans);
  font-size: 0.9rem;
}
footer .links a { color: var(--ink-soft); margin: 0 0.6rem; }
footer .links a:hover { color: var(--gold-soft); }
footer .contact {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin: 1.2rem 0 0;
}
footer .contact a { color: var(--ink-soft); }
footer .contact a:hover { color: var(--ink); }

/* ---- Reveal animation -------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 900ms cubic-bezier(.2,.7,.2,1), transform 900ms cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-cue .arrow { animation: none; }
}

/* ---- Responsive -------------------------------------------------------- */

@media (max-width: 40rem) {
  .caps { grid-template-columns: 1fr; }
  .hero { min-height: 88vh; padding-top: 5rem; }
}

/* ======================================================================== *
 *  Legacy classes — /about page. Preserved from the scaffold.
 * ======================================================================== */

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 7rem 1.5rem 4rem;
}

.keystone {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0 0 3rem;
  color: var(--ink);
}
.keystone em { font-style: normal; color: var(--gold-soft); }

.body p {
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.7;
  margin: 0 0 1.6rem;
  color: var(--ink);
}
.body p + p { margin-top: 0; }

.nav-arrows {
  margin: 3.5rem 0 0;
  padding: 2rem 0 0;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 1rem;
}
.nav-arrows a { display: block; padding: 0.4rem 0; color: var(--ink-soft); }
.nav-arrows a:hover,
.nav-arrows a:focus { color: var(--gold-soft); }
.nav-arrows .arrow { color: var(--gold); margin-right: 0.4em; }

.about-section { margin-top: 3rem; }
.about-section h2 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0 0 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}
.lineages { list-style: none; margin: 0; padding: 0; }
.lineages > li {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.65;
  margin: 0 0 1.4rem;
  color: var(--ink-soft);
}
.lineages > li strong { color: var(--ink); font-weight: 600; margin-right: 0.4em; }

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