/* Hallmark · pre-emit critique: P5 H5 E4 S4 R5 V4
 * Hallmark · macrostructure: Split Studio · tone: premium trustworthy professional · anchor hue: cobalt
 * genre: modern-minimal · theme: Cobalt restraint · nav: N9 · footer: Ft5 · enrichment: Tier-A CSS delivery map
 * contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 49, 50–57)
 */
@import url('./tokens.css');

* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; scroll-behavior: smooth; }
body { background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); font-size: var(--text-base); line-height: 1.65; }
a { color: inherit; }
.shell { width: min(100% - 2rem, 78rem); margin-inline: auto; }
.nav { min-height: 5.5rem; display: flex; align-items: center; justify-content: space-between; }
.wordmark { font-family: var(--font-display); font-size: var(--text-md); font-weight: 600; letter-spacing: -.02em; text-decoration: none; }
.nav-contact { min-height: 2.75rem; display: inline-flex; align-items: center; gap: var(--space-xs); color: var(--color-accent-dark); font-weight: 500; text-decoration: none; white-space: nowrap; }
.nav-contact:hover { text-decoration: underline; text-underline-offset: .3em; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }

.hero { display: grid; gap: var(--space-2xl); padding-block: var(--space-2xl) var(--space-3xl); }
.hero-copy { align-self: center; }
.kicker { margin: 0 0 var(--space-lg); color: var(--color-accent-dark); font-size: var(--text-sm); font-weight: 500; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-style: normal; line-height: 1.08; overflow-wrap: anywhere; min-width: 0; }
h1 { max-width: 12ch; font-size: var(--text-display); letter-spacing: -.04em; }
h2 { font-size: clamp(2.25rem, 4.5vw, 4rem); letter-spacing: -.035em; }
h3 { font-size: var(--text-lg); }
p { max-width: 65ch; }
.lede { max-width: 39rem; margin: var(--space-lg) 0 var(--space-xl); color: var(--color-muted); font-size: var(--text-md); }
.button { min-height: 3.25rem; width: fit-content; padding-inline: var(--space-lg); display: inline-flex; align-items: center; gap: var(--space-sm); border: var(--rule-hair) solid var(--color-accent); border-radius: var(--radius-sm); color: var(--color-accent-dark); font-weight: 500; text-decoration: none; white-space: nowrap; transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out); }
.button:hover { background: var(--color-accent-dark); color: var(--color-paper); transform: translateY(-1px); }
.button:active { transform: translateY(1px); }
.button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; pointer-events: none; }

.system-map { align-self: stretch; padding: var(--space-lg); background: var(--color-ink); color: var(--color-paper); border-radius: var(--radius-md); }
.system-map > p { margin: 0; color: var(--color-rule); font-size: var(--text-sm); }
.system-map ol { margin: var(--space-lg) 0; padding: 0; list-style: none; }
.system-map li { position: relative; padding: var(--space-md) 0 var(--space-md) var(--space-xl); border-top: var(--rule-hair) solid var(--color-muted); }
.system-map li::before { content: ''; position: absolute; inset-inline-start: 0; inset-block-start: 1.55rem; width: .55rem; height: .55rem; background: var(--color-accent); border-radius: 50%; }
.system-map li span, .system-map li small { display: block; }
.system-map li span { font-family: var(--font-display); font-size: var(--text-md); }
.system-map li small { color: var(--color-rule); font-size: var(--text-sm); }
.system-map .map-end { color: var(--color-paper); }

.capabilities, .principles { display: grid; gap: var(--space-2xl); padding-block: var(--space-3xl); }
.section-copy > p, .principle-lead > p { color: var(--color-muted); font-size: var(--text-md); }
.capability-list { margin: 0; }
.capability-list div { padding-block: var(--space-lg); border-top: var(--rule-hair) solid var(--color-rule); }
dt { margin-bottom: var(--space-xs); font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; }
dd { margin: 0; color: var(--color-muted); }
.principles { background: var(--color-paper-2); box-shadow: 0 0 0 100vmax var(--color-paper-2); clip-path: inset(0 -100vmax); }
.principle-grid { display: grid; gap: var(--space-xl); }
.principle-grid article { padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule); }
.principle-grid p { color: var(--color-muted); }

.contact { margin-block: var(--space-4xl); padding: var(--space-xl); display: grid; gap: var(--space-xl); background: var(--color-ink); color: var(--color-paper); border-radius: var(--radius-md); }
.contact p { color: var(--color-rule); }
.button-light { border-color: var(--color-paper); color: var(--color-paper); }
.button-light:hover { background: var(--color-paper); color: var(--color-ink); }
.footer { padding-block: var(--space-3xl) var(--space-xl); }
.footer-statement { max-width: 28ch; margin: 0 0 var(--space-2xl); font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.75rem); line-height: 1.05; letter-spacing: -.03em; }
.footer-meta { padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule); display: flex; flex-direction: column; gap: var(--space-sm); color: var(--color-muted); font-size: var(--text-sm); }

.reveal { opacity: 0; transform: translateY(.5rem); animation: reveal var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 60ms); }
@keyframes reveal { to { opacity: 1; transform: none; } }
@media (min-width: 48rem) {
  .shell { width: min(100% - 4rem, 78rem); }
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: stretch; padding-block: var(--space-3xl) var(--space-4xl); }
  .capabilities, .principles { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
  .principle-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact { grid-template-columns: minmax(0, 1fr) auto; align-items: end; padding: var(--space-2xl); }
  .footer-meta { flex-direction: row; align-items: baseline; justify-content: space-between; }
}
@media (pointer: coarse) { .button, .nav-contact { min-height: 3rem; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .reveal { transform: none; }
}