/* ═══════════════════════════════════════════════════════
   ASCN v3 — Tighter, more energy, still minimal
   ═══════════════════════════════════════════════════════ */

:root {
  --bg: #fafafa;
  --ink: #111;
  --ink-2: #333;
  --muted: #777;
  --rule: rgba(0,0,0,0.12);
  --rule-light: rgba(0,0,0,0.06);
  --accent: #1a3c6e;
  --content: min(1140px, calc(100vw - 2rem));
  --font: "Inter", "Helvetica Neue", Arial, sans-serif;
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
button,input,textarea,select { font: inherit; color: inherit; }

/* ── Nav ─────────────────────────────────────────────── */

.site-nav {
  position: sticky; top: 0; z-index: 50;
  width: var(--content); margin: 0 auto;
  padding: 0.7rem 0;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: rgba(250,250,250,0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule-light);
}

.brand { display: flex; align-items: center; gap: 0.45rem; }
.brand-mark { width: 1.5rem; height: 1.5rem; flex-shrink: 0; }
.brand-text { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.04em; }

.site-nav nav { display: flex; gap: 1.1rem; }
.site-nav nav a {
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); transition: color 150ms;
}
.site-nav nav a:hover { color: var(--ink); }

/* ── Sections ────────────────────────────────────────── */

.section, .hero {
  width: var(--content); margin: 0 auto;
  padding: clamp(1.8rem, 3.5vw, 3.2rem) 0;
  scroll-margin-top: 4rem;
}

.section + .section { border-top: 1px solid var(--rule-light); }

.section-head { max-width: 36rem; margin-bottom: 1.4rem; }
.overline {
  margin: 0 0 0.3rem; font-size: 0.56rem; font-weight: 800;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent);
}
.section-head h2 {
  margin: 0; font-size: clamp(1.3rem, 2.6vw, 2.2rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.03em;
}

.lede { margin: 0.6rem 0 0; color: var(--muted); max-width: 34ch; line-height: 1.6; }

/* ── Hero ────────────────────────────────────────────── */

.hero {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 1.4rem; align-items: end;
  padding-bottom: 0;
}

.hero-text h1 {
  margin: 0; font-size: clamp(1.8rem, 4vw, 3.4rem);
  font-weight: 800; line-height: 1; letter-spacing: -0.04em;
}

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; margin-top: 1.2rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}

.stat { padding: 0 0.6rem; border-left: 1px solid var(--rule-light); }
.stat:first-child { padding-left: 0; border-left: 0; }
.stat-number {
  display: block; font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums;
}
.stat-label {
  display: block; margin-top: 0.15rem;
  font-size: 0.56rem; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
}

.hero-image { margin: 0; overflow: hidden; }
.hero-image img { width: 100%; height: 100%; min-height: 16rem; object-fit: cover; }

/* ── About ───────────────────────────────────────────── */

.about-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.6rem; align-items: start;
}

.about-grid p {
  margin: 0; padding-top: 0.7rem;
  border-top: 1px solid var(--rule-light);
  color: var(--ink-2); line-height: 1.65; font-size: 0.88rem;
}

.about-grid .section-head { margin-bottom: 0; }

/* ── Timeline ────────────────────────────────────────── */

.timeline {
  margin: 0.6rem 0 0; padding: 0; list-style: none;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
}

.timeline li {
  padding: 0.6rem 0.8rem 0 0;
  border-top: 2px solid var(--rule);
}

.timeline time {
  font-size: 0.56rem; font-weight: 800; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
}

.timeline strong { display: block; margin-top: 0.2rem; font-size: 0.82rem; line-height: 1.3; }
.timeline div { font-size: 0.78rem; color: var(--ink-2); line-height: 1.5; }

/* ── Dashboard ───────────────────────────────────────── */

.metric-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; margin-bottom: 1.4rem;
}

.metric { padding: 0.6rem 0.8rem 0 0; border-top: 1px solid var(--rule); }
.metric-value {
  display: block; font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums;
}
.metric-label {
  display: block; margin-top: 0.15rem;
  font-size: 0.56rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted);
}

.dashboard-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 1.4rem; }
.dash-module { padding-top: 0.8rem; border-top: 1px solid var(--rule); }
.dash-module h3 { margin: 0 0 0.6rem; font-size: 0.82rem; font-weight: 800; }

/* ── Bars ────────────────────────────────────────────── */

.bars { display: grid; gap: 0.35rem; }
.bar-row { display: grid; grid-template-columns: 8rem 1fr auto; gap: 0.6rem; align-items: center; }
.bar-row span { font-size: 0.74rem; color: var(--ink-2); }
.bar-track { height: 2px; background: var(--rule-light); }
.bar-fill { height: 100%; background: var(--ink); transition: width 500ms ease; }
.bars .bar-row:nth-child(odd) .bar-fill { background: var(--accent); }

/* ── Motion chart ────────────────────────────────────── */

.motion-chart { display: grid; gap: 0.3rem; }
.motion-row {
  display: grid; grid-template-columns: 9rem 1fr auto;
  gap: 0.8rem; align-items: center; padding: 0.3rem 0;
  border-bottom: 1px solid var(--rule-light);
}
.motion-row:first-child { border-top: 1px solid var(--rule-light); }
.motion-row h4 { margin: 0; font-size: 0.78rem; font-weight: 700; }
.motion-row .sub { font-size: 0.64rem; color: var(--muted); }
.motion-bars { display: grid; gap: 2px; }
.motion-bar { height: 2px; background: var(--rule-light); }
.motion-bar i { display: block; height: 100%; background: var(--ink); transition: width 500ms ease; }
.motion-bar.avg i { background: var(--muted); }
.motion-value { font-size: 0.74rem; font-weight: 800; white-space: nowrap; }

/* ── Cities ──────────────────────────────────────────── */

.city-controls {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 0.8rem; flex-wrap: wrap; margin-bottom: 1rem;
}

.field { display: grid; gap: 0.15rem; }
.field span { font-size: 0.56rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.field select { border: 0; border-bottom: 1px solid var(--rule); background: transparent; padding: 0.35rem 0; min-width: 12rem; appearance: none; }

.sort-group { display: flex; gap: 0.6rem; }
.sort-btn {
  border: 0; background: transparent; padding: 0;
  font-size: 0.6rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); cursor: pointer;
}
.sort-btn.active { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

.city-layout { display: grid; grid-template-columns: 1fr 1.6fr 1fr; gap: 1rem; align-items: start; }

.callout-col { display: grid; gap: 0; max-height: 32rem; overflow-y: auto; scrollbar-width: thin; }
.map-callout {
  border: 0; background: transparent; text-align: left;
  padding: 0.45rem 0 0.45rem 0.6rem;
  border-left: 2px solid transparent; border-bottom: 1px solid var(--rule-light);
  cursor: pointer; transition: border-color 100ms;
}
.map-callout:first-child { border-top: 1px solid var(--rule-light); }
.map-callout strong { display: block; font-size: 0.74rem; }
.map-callout small { display: block; font-size: 0.6rem; color: var(--muted); }
.map-callout.is-active { border-left-color: var(--ink); }

.map-layer-toggle {
  display: flex; gap: 0.6rem;
  padding-bottom: 0.4rem; margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule-light);
}

.sea-map { width: 100%; min-height: 32rem; border: 1px solid var(--rule-light); }
.leaflet-control-zoom a { border-radius: 0 !important; }

.city-detail-area { margin-top: 1.2rem; padding-top: 0.8rem; border-top: 1px solid var(--rule); }
.city-detail-area h3 { margin: 0 0 0.6rem; font-size: 0.95rem; font-weight: 800; }

.detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; }
.detail-grid article { padding-top: 0.5rem; border-top: 1px solid var(--rule-light); }
.detail-grid article span { display: block; font-size: 0.56rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.detail-grid article strong { display: block; margin-top: 0.1rem; font-size: 0.84rem; }

.detail-section { margin-top: 0.8rem; padding-top: 0.6rem; border-top: 1px solid var(--rule-light); }
.detail-section .overline { margin-bottom: 0.4rem; }

/* ── SLIC ────────────────────────────────────────────── */

.slic-hero {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.6rem; align-items: start;
}

.slic-hero h2 {
  margin: 0; font-size: clamp(1.3rem, 2.6vw, 2.2rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.03em;
}

.slic-summary {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; margin-top: 1rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}

.slic-stat { padding: 0 0.6rem; border-left: 1px solid var(--rule-light); }
.slic-stat:first-child { padding-left: 0; border-left: 0; }
.slic-val { display: block; font-size: 1.4rem; font-weight: 800; line-height: 1; }
.slic-lbl { display: block; margin-top: 0.1rem; font-size: 0.56rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.slic-link {
  display: inline-block; margin-top: 0.8rem;
  font-size: 0.74rem; font-weight: 700;
  text-decoration: underline; text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.slic-photo { margin: 0; overflow: hidden; }
.slic-photo img { width: 100%; height: 14rem; object-fit: cover; }
.slic-photo figcaption { margin-top: 0.3rem; font-size: 0.64rem; color: var(--muted); }

.slic-pillars {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1.2rem; margin-top: 1.2rem;
}
.slic-pillars > div { padding-top: 0.5rem; border-top: 1px solid var(--rule-light); }
.slic-pillars h3 { margin: 0; font-size: 0.78rem; font-weight: 800; }
.slic-pillars p { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.74rem; line-height: 1.45; }

/* SLIC bars in city detail */
.slic-bar-row { display: grid; grid-template-columns: 4.5rem 1fr auto; gap: 0.5rem; align-items: center; padding: 0.15rem 0; }
.slic-bar-row span:first-child { font-size: 0.64rem; font-weight: 700; color: var(--ink-2); }
.slic-bar-track { height: 2px; background: var(--rule-light); }
.slic-bar-fill { height: 100%; background: var(--accent); transition: width 400ms ease; }
.slic-bar-row span:last-child { font-size: 0.64rem; font-weight: 800; min-width: 2rem; text-align: right; }

/* ── Tabs / Cards ────────────────────────────────────── */

.ref-tabs {
  display: flex; gap: 0.8rem;
  padding-bottom: 0.3rem; border-bottom: 1px solid var(--rule-light);
  margin-bottom: 1rem;
}
.ref-tab {
  border: 0; background: transparent; padding: 0;
  font-size: 0.6rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); cursor: pointer;
}
.ref-tab.active { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.ref-panel { display: none; }
.ref-panel.active { display: block; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card-grid article { padding-top: 0.6rem; border-top: 1px solid var(--rule-light); }
.card-grid time, .card-grid .card-meta {
  display: block; font-size: 0.54rem; font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
}
.card-grid h3 { margin: 0.2rem 0 0; font-size: 0.84rem; font-weight: 700; line-height: 1.3; }
.card-grid p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.78rem; }
.card-grid .tag { display: inline-block; margin-top: 0.2rem; font-size: 0.54rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.card-grid a.source-link { display: inline-block; margin-top: 0.3rem; font-size: 0.74rem; text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }

/* ── Chair ───────────────────────────────────────────── */

.chair-content { display: grid; gap: 1rem; }
.chair-tracker h3 { margin: 0 0 0.4rem; font-size: 0.95rem; font-weight: 800; }
.progress-track { height: 2px; background: var(--rule-light); }
.progress-track i { display: block; height: 100%; background: var(--ink); width: 0; transition: width 400ms ease; }
.milestones { margin: 0.6rem 0 0; padding: 0; list-style: none; }
.milestones li {
  padding: 0.3rem 0 0.3rem 0.8rem; border-bottom: 1px solid var(--rule-light);
  position: relative; font-size: 0.78rem; color: var(--ink-2);
}
.milestones li:first-child { border-top: 1px solid var(--rule-light); }
.milestones li::before { content: ""; position: absolute; left: 0; top: 0.55rem; width: 4px; height: 4px; background: var(--muted); }
.milestones li.done::before { background: #2a6b42; }
.milestones li.current::before { background: var(--accent); }

.chair-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.chair-notes > div { padding-top: 0.6rem; border-top: 1px solid var(--rule-light); }
.chair-notes h3 { margin: 0; font-size: 0.84rem; font-weight: 800; }
.chair-notes p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.78rem; }

/* ── Studio ──────────────────────────────────────────── */

.studio-content { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 1.4rem; }
.studio-content > div, .studio-content > figure { padding-top: 0.6rem; border-top: 1px solid var(--rule-light); }
.studio-content h3 { margin: 0.2rem 0 0; font-size: 0.84rem; font-weight: 800; }
.studio-content p { margin: 0.2rem 0 0; color: var(--ink-2); line-height: 1.6; font-size: 0.82rem; }
.studio-content a { display: inline-block; margin-top: 0.3rem; text-decoration: underline; text-underline-offset: 2px; font-size: 0.82rem; }
.stack-list { margin: 0.3rem 0 0; padding: 0; list-style: none; }
.stack-list li { padding: 0.2rem 0; border-bottom: 1px solid var(--rule-light); }
.stack-list li:first-child { border-top: 1px solid var(--rule-light); }
.stack-list a { font-size: 0.78rem; font-weight: 700; }
.studio-photo { margin: 0; }
.studio-photo img { width: 100%; height: 10rem; object-fit: cover; }

/* ── Contact ─────────────────────────────────────────── */

.contact-cols { display: grid; grid-template-columns: 1.2fr 1fr 0.8fr; gap: 1.6rem; }
.contact-cols > div { padding-top: 0.6rem; border-top: 1px solid var(--rule); }
.contact-cols h2 { margin: 0 0 0.4rem; font-size: clamp(1.1rem, 2vw, 1.6rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
.contact-cols p { margin: 0 0 0.3rem; color: var(--ink-2); font-size: 0.82rem; }
.contact-cols a { text-decoration: underline; text-underline-offset: 2px; }

.contact-form { display: grid; gap: 0.4rem; }
.contact-form label { display: grid; gap: 0.1rem; font-size: 0.74rem; font-weight: 700; color: var(--ink-2); }
.contact-form input, .contact-form textarea { border: 0; border-bottom: 1px solid var(--rule); background: transparent; padding: 0.35rem 0; }
.contact-form textarea { resize: vertical; min-height: 3rem; }
.contact-form button {
  justify-self: start; border: 0; background: transparent; padding: 0;
  font-size: 0.6rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}

/* ── Footer ──────────────────────────────────────────── */

.site-footer { width: var(--content); margin: 0 auto; padding: 2rem 0 1.4rem; border-top: 1px solid var(--rule-light); }
.footer-content p { margin: 0 0 0.6rem; color: var(--muted); font-size: 0.74rem; line-height: 1.6; }
.footer-content strong { color: var(--ink-2); }
.footer-logos { display: flex; align-items: center; gap: 1.6rem; margin: 1.2rem 0; }
.footer-logos img { height: 48px; width: auto; opacity: 0.7; filter: grayscale(30%); }
.footer-fine { font-size: 0.64rem !important; color: var(--muted); margin-top: 1rem !important; }

/* ── Utilities ───────────────────────────────────────── */

.muted { color: var(--muted); }
.small { font-size: 0.74rem; }
.count { font-variant-numeric: tabular-nums; }

/* ── Reveal ──────────────────────────────────────────── */

.reveal { opacity: 0; transform: translateY(6px); transition: opacity 350ms ease, transform 350ms ease; }
.reveal.visible { opacity: 1; transform: none; }

button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid rgba(26,60,110,0.4); outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════ */

@media (max-width: 1100px) {
  .city-layout { grid-template-columns: 1fr; }
  .callout-col { max-height: none; display: grid; grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .hero, .slic-hero { grid-template-columns: 1fr; }
  .hero-stats, .metric-row { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .dashboard-cols, .card-grid, .contact-cols, .chair-notes,
  .studio-content, .detail-grid, .slic-pillars { grid-template-columns: 1fr; }
  .slic-summary { grid-template-columns: repeat(3, 1fr); }
  .timeline { grid-template-columns: 1fr; }
  .timeline li { border-top: 0; border-left: 2px solid var(--rule); padding: 0 0 0.6rem 0.8rem; }
  .site-nav { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
  .site-nav nav { width: 100%; overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .site-nav nav::-webkit-scrollbar { display: none; }
  .site-nav nav a { white-space: nowrap; }
}

@media (max-width: 600px) {
  :root { --content: calc(100vw - 1rem); }
  .hero-text h1 { font-size: clamp(1.5rem, 7vw, 2.2rem); }
  .callout-col { grid-template-columns: 1fr; }
  .sea-map { min-height: 20rem; }
  .ref-tabs, #sl-pillar-btns { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .ref-tabs::-webkit-scrollbar, #sl-pillar-btns::-webkit-scrollbar { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}