/* Hallmark · macrostructure: Narrative Workflow · genre: atmospheric · theme: custom (navy · gold/copper metal-ramp)
 * tone: luxury/technical · anchor hue: navy 254 + warm metal accent 78
 * nav: N5 floating-pill · footer: Ft5 statement · enrichment: Tier-B hand-SVG rosette
 * pre-emit critique: P5 H4 E5 S5 R4 V5
 */
@import "tokens.css";

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* two diffuse warm blooms on the dark canvas (atmospheric genre allows ≤2) */
  background-image:
    radial-gradient(42% 38% at 82% 8%, color-mix(in oklab, var(--metal-orange) 22%, transparent), transparent 70%),
    radial-gradient(46% 40% at 6% 96%, color-mix(in oklab, var(--color-panel-blue) 40%, transparent), transparent 72%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
  min-width: 0;
}
p { margin: 0; }
a { color: inherit; }

::selection { background: color-mix(in oklab, var(--metal-gold) 35%, transparent); color: var(--color-ink); }

:where(a, button, input, [tabindex]):focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.shell { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: clamp(1.15rem, 4vw, 2.5rem); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-neutral);
  margin: 0;
}
.section-lead { color: var(--color-muted); max-width: var(--measure); font-size: var(--text-lg); line-height: 1.5; }
.metal-text { color: var(--metal-gold); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-base);
  letter-spacing: -0.01em;
  white-space: nowrap;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-rule);
  background: var(--btn-bg);
  color: var(--color-ink);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--dur-short) var(--ease-out),
              background-color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out);
}
.btn .arrow { transition: transform var(--dur-short) var(--ease-out); }
.btn:hover { transform: translateY(-1px); border-color: color-mix(in oklab, var(--metal-gold) 60%, var(--color-rule)); }
.btn:hover .arrow { transform: translateX(3px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  background: linear-gradient(135deg, var(--metal-glow), var(--metal-copper));
  color: var(--color-on-accent);
  border-color: transparent;
  font-weight: 600;
}
.btn--primary:hover { filter: brightness(1.05); border-color: transparent; }

/* ---------- Nav (N5 floating pill) ---------- */
.nav-wrap { position: sticky; top: 0; z-index: var(--z-nav); display: flex; justify-content: center; padding: var(--space-md) clamp(1rem, 4vw, 2rem); pointer-events: none; }
.nav {
  pointer-events: auto;
  display: flex; align-items: center; gap: var(--space-lg);
  width: 100%; max-width: 720px;
  padding: 0.55rem 0.65rem 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in oklab, var(--color-rule) 80%, transparent);
  background: color-mix(in oklab, var(--color-paper-2) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  box-shadow: 0 8px 30px -16px rgba(0,0,0,0.7);
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; text-decoration: none; margin-right: auto; }
.brand .mark { width: 30px; height: 30px; display: block; flex: none; object-fit: contain; }
.brand .wordmark { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; letter-spacing: -0.03em; color: var(--color-ink); line-height: 1; }
.nav-links { display: flex; gap: var(--space-lg); }
.nav-links a { font-family: var(--font-display); font-weight: 500; font-size: var(--text-base); text-decoration: none; color: var(--color-muted); position: relative; transition: color var(--dur-short) var(--ease-out); }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1.5px; background: var(--metal-gold); transition: right var(--dur-short) var(--ease-out); }
.nav-links a:hover { color: var(--color-ink); }
.nav-links a:hover::after { right: 0; }

/* ---------- Hero (H2 split diptych 7/5) ---------- */
.hero { padding-block: clamp(3rem, 8vh, 6rem) clamp(4rem, 10vh, 7rem); }
.hero__grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero__eyebrow .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 0.6rem; vertical-align: baseline; background: var(--metal-gold); box-shadow: 0 0 12px var(--metal-orange); }
.hero h1 { font-size: var(--text-display); margin-block: var(--space-lg) var(--space-lg); font-weight: 600; }
.hero h1 .lower { text-transform: lowercase; }
.hero__lede { color: var(--color-muted); font-size: var(--text-lg); line-height: 1.5; max-width: 34ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-xl); }
.hero__art { display: grid; place-items: center; position: relative; padding-inline: var(--space-md); overflow: visible; }
.hero__art::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 84%; aspect-ratio: 1;
  transform: translate(-50%, -50%); border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, color-mix(in oklab, var(--metal-orange) 26%, transparent) 0%, transparent 66%);
  filter: blur(24px);
}
.hero__art .rosette {
  position: relative; z-index: 1;
  width: min(82%, 350px); height: auto; aspect-ratio: 1; object-fit: contain; display: block;
  filter: drop-shadow(0 0 34px rgba(0,0,0,0.42));
  transform-origin: 50% 50%;
  animation: cadence 26s linear infinite;
}
@keyframes cadence { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .hero__art .rosette { animation: none; } }

/* ---------- Methodology (F4 step sequence — vertical timeline) ---------- */
.section { padding-block: clamp(3.5rem, 9vh, 6.5rem); }
.section__head { margin-bottom: var(--space-2xl); max-width: 52ch; }
.section__head h2 { font-size: var(--text-2xl); margin-top: var(--space-sm); }

.phases { display: grid; gap: 0; position: relative; }
.phase {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: clamp(1rem, 3vw, 2.2rem);
  padding-block: var(--space-xl);
  border-top: 1px solid var(--color-rule);
}
.phase:last-child { border-bottom: 1px solid var(--color-rule); }
.phase__rail { position: relative; }
.phase__num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-neutral); letter-spacing: 0.05em; }
.phase__node {
  width: 16px; height: 16px; border-radius: 50%;
  margin-top: 0.6rem;
  background: var(--node, var(--metal-gold));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--node, var(--metal-gold)) 18%, transparent),
              0 0 16px color-mix(in oklab, var(--node, var(--metal-gold)) 60%, transparent);
}
.phase__body { display: grid; gap: var(--space-sm); }
.phase__title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 0.9rem; }
.phase__title h3 { font-size: var(--text-xl); font-weight: 600; }
.phase__metal { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.14em; color: var(--metal, var(--metal-gold)); }
.phase__desc { color: var(--color-muted); max-width: 56ch; line-height: 1.55; }
.phase__deliver { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-neutral); letter-spacing: 0.03em; }
.phase__deliver b { color: var(--color-muted); font-weight: 500; }

/* ---------- Services (F1 bento, 4 tiles irregular) ---------- */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-md); }
.tile {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3vw, 2.1rem);
  display: flex; flex-direction: column; gap: var(--space-sm);
  transition: transform var(--dur-mid) var(--ease-out), background-color var(--dur-mid) var(--ease-out), border-color var(--dur-mid) var(--ease-out);
}
.tile:hover { transform: translateY(-3px); background: var(--color-paper-3); border-color: color-mix(in oklab, var(--metal-copper) 45%, var(--color-rule)); }
.tile--wide { grid-column: span 4; }
.tile--narrow { grid-column: span 2; }
.tile__idx { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--metal-copper); letter-spacing: 0.12em; }
.tile h3 { font-size: var(--text-lg); font-weight: 600; }
.tile p { color: var(--color-muted); line-height: 1.55; max-width: 46ch; }

/* ---------- Contact (C2 inline form-as-CTA) ---------- */
.contact { }
.contact__panel {
  background: linear-gradient(160deg, var(--color-paper-2), var(--color-paper));
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 5vw, 3.2rem);
  display: grid; gap: var(--space-lg);
}
.contact h2 { font-size: var(--text-2xl); max-width: 18ch; }
.contact__lede { color: var(--color-muted); max-width: 52ch; }
.cform { display: flex; gap: var(--space-sm); flex-wrap: wrap; align-items: stretch; }
.cform label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.cform input {
  flex: 1 1 16rem; min-width: 0;
  font-family: var(--font-body); font-size: var(--text-base);
  padding: 0.85rem 1.1rem;
  background: var(--color-paper-3);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  transition: border-color var(--dur-short) var(--ease-out);
}
.cform input::placeholder { color: var(--color-neutral); }
.cform input:hover { border-color: color-mix(in oklab, var(--metal-gold) 35%, var(--color-rule)); }
.cform input:user-invalid { border-color: var(--metal-copper); }
.cform .btn { flex: 0 0 auto; }
.cform__msg { font-family: var(--font-mono); font-size: var(--text-sm); min-height: 1.2em; color: var(--color-neutral); }
.cform__msg[data-state="error"] { color: var(--metal-copper); }
.cform__msg[data-state="success"] { color: var(--metal-gold); }
.contact__alt { font-size: var(--text-base); color: var(--color-muted); }
.contact__alt a { color: var(--metal-gold); text-decoration: none; border-bottom: 1px solid color-mix(in oklab, var(--metal-gold) 40%, transparent); }
.contact__alt a:hover { border-bottom-color: var(--metal-gold); }

/* ---------- Footer (Ft5 statement) ---------- */
.footer { border-top: 1px solid var(--color-rule); padding-block: clamp(3rem, 7vh, 5rem) var(--space-xl); margin-top: var(--space-2xl); }
.footer__statement { font-family: var(--font-display); font-weight: 600; font-size: var(--text-3xl); line-height: 1.08; letter-spacing: -0.03em; max-width: 16ch; }
.footer__statement em { font-style: normal; color: var(--metal-gold); }
.footer__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md) var(--space-xl); margin-top: var(--space-2xl); color: var(--color-neutral); font-size: var(--text-sm); }
.footer__meta .brand { margin-right: auto; }
.footer__meta .wordmark { font-size: 1rem; }
.footer__links { display: flex; gap: var(--space-lg); }
.footer__links a { color: var(--color-muted); text-decoration: none; transition: color var(--dur-short) var(--ease-out); }
.footer__links a:hover { color: var(--color-ink); }

/* ---------- Entrance (one orchestrated reveal on load) ---------- */
.rise { opacity: 0; transform: translateY(14px); animation: rise var(--dur-long) var(--ease-out) forwards; }
.rise[data-d="1"] { animation-delay: 80ms; }
.rise[data-d="2"] { animation-delay: 160ms; }
.rise[data-d="3"] { animation-delay: 240ms; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .rise { animation: none; opacity: 1; transform: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 60rem) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .hero__art { order: -1; }
  .hero__art .rosette { width: min(62%, 260px); }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile--wide, .tile--narrow { grid-column: span 1; }
}
@media (max-width: 40rem) {
  body { font-size: var(--text-base); }
  .nav-links { display: none; }
  .nav { max-width: 100%; gap: var(--space-sm); padding: 0.5rem 0.55rem 0.5rem 0.95rem; }
  .brand { min-width: 0; }
  .brand .wordmark { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .nav .btn--primary { padding: 0.55rem 1rem; font-size: var(--text-sm); }
  .phase { grid-template-columns: 1fr; gap: var(--space-sm); }
  .phase__rail { display: flex; align-items: center; gap: 0.8rem; }
  .phase__node { margin-top: 0; }
  .bento { grid-template-columns: 1fr; }
  .cform .btn { width: 100%; justify-content: center; }
  .footer__meta { flex-direction: column; align-items: flex-start; gap: var(--space-md); }
  .footer__meta .brand { margin-right: 0; }
}