/* ═══════════════════════════════════════════════════════
   STITCHMARK | SPACE — Global Design System
   Aesthetic: Light editorial. Exoape/Locomotive spatial
   generosity. Serif headlines. Mono coordinates. Air.
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500;1,600&family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

/* ── TOKENS ── */
:root {
  --cream:    #F5F2EC;
  --cream2:   #EDE9E0;
  --cream3:   #E4DFD4;
  --ink:      #141210;
  --ink2:     #3A3530;
  --ink3:     #7A7268;
  --ink4:     #B0A99E;
  --rule:     rgba(20,18,16,0.10);
  --rule2:    rgba(20,18,16,0.06);

  /* Per-page accent — overridden on each page */
  --accent:   #1A3A2A;   /* default: forest (home) */
  --accent2:  #2D5A3D;

  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-body:    'Libre Baskerville', Georgia, serif;
  --ff-mono:    'DM Mono', monospace;

  --max:      1320px;
  --pad:      clamp(1.5rem, 5vw, 5rem);
  --section:  clamp(7rem, 14vw, 13rem);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--ff-body);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── SUBTLE GRAIN ── */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: multiply;
}

/* ── TYPOGRAPHY ── */
h1 { font-family: var(--ff-display); font-weight: 300; font-size: clamp(3.5rem, 8vw, 8rem); line-height: 1.0; letter-spacing: -0.02em; }
h2 { font-family: var(--ff-display); font-weight: 300; font-size: clamp(2.5rem, 5vw, 5rem); line-height: 1.05; letter-spacing: -0.02em; }
h3 { font-family: var(--ff-display); font-weight: 400; font-size: clamp(1.5rem, 3vw, 2.5rem); line-height: 1.1; }
h4 { font-family: var(--ff-display); font-weight: 400; font-size: clamp(1.2rem, 2vw, 1.75rem); line-height: 1.2; }
p { font-size: clamp(0.95rem, 1.3vw, 1.05rem); line-height: 1.85; color: var(--ink2); }
em { font-style: italic; }
strong { font-weight: 700; color: var(--ink); }
a { color: inherit; text-decoration: none; }

.mono {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}
.label {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink3);
}
.label-accent {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
code {
  font-family: var(--ff-mono);
  font-size: 0.78em;
  background: var(--cream3);
  padding: 0.2em 0.5em;
  border-radius: 2px;
  color: var(--ink2);
}

/* ── LAYOUT ── */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 var(--pad); }
section { padding: var(--section) 0; }
.rule { width: 100%; height: 1px; background: var(--rule); }
.rule-v { width: 1px; background: var(--rule); align-self: stretch; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 1.75rem var(--pad);
  display: flex; align-items: center; justify-content: space-between;
  mix-blend-mode: multiply;
}
.nav-brand {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-transform: uppercase;
}
.nav-brand span { opacity: 0.4; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink3);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
@media (max-width: 700px) {
  .nav-links { gap: 1.5rem; }
  .nav-links li:nth-child(n+4) { display: none; }
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1em 2em;
  border-radius: 0;
  transition: all 0.25s;
  cursor: pointer;
  border: none;
}
.btn-dark {
  background: var(--ink);
  color: var(--cream);
}
.btn-dark:hover { background: var(--ink2); transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--rule);
  color: var(--ink2);
  background: transparent;
}
.btn-outline:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }
.btn-accent {
  background: var(--accent);
  color: var(--cream);
}
.btn-accent:hover { background: var(--accent2); transform: translateY(-2px); }
.btn-ghost-large {
  font-family: var(--ff-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-style: italic;
  font-weight: 300;
  letter-spacing: 0;
  text-transform: none;
  padding: 0.6em 0;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  gap: 0.8em;
}
.btn-ghost-large:hover { gap: 1.5em; }

/* ── SECTION EYEBROW ── */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 32px; height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}
.eyebrow-text {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── GIANT STAT ── */
.stat-giant {
  font-family: var(--ff-display);
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 300;
  line-height: 0.9;
  color: var(--ink);
  letter-spacing: -0.04em;
}
.stat-label {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink4);
  margin-top: 0.75rem;
}

/* ── PULL QUOTE ── */
.pull-quote {
  font-family: var(--ff-display);
  font-size: clamp(1.75rem, 3.5vw, 3.25rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.01em;
}

/* ── MARQUEE BANNER ── */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 1.5rem 0;
  background: var(--cream2);
}
.marquee-track {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  width: max-content;
}
.marquee-item {
  font-family: var(--ff-display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-style: italic;
  font-weight: 300;
  color: var(--ink3);
  flex-shrink: 0;
}
.marquee-dot {
  font-family: var(--ff-mono);
  font-size: 0.5rem;
  color: var(--accent);
  vertical-align: middle;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── LARGE DIVIDER TEXT ── */
.divider-text {
  font-family: var(--ff-display);
  font-size: clamp(4rem, 12vw, 11rem);
  font-weight: 300;
  color: var(--cream3);
  line-height: 0.9;
  letter-spacing: -0.04em;
  user-select: none;
  pointer-events: none;
  overflow: hidden;
}

/* ── COMPARISON TABLE ── */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.compare-col { padding: 3rem; }
.compare-col:first-child { border-right: 1px solid var(--rule); }
.compare-header {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.compare-row {
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule2);
  font-size: 0.95rem;
  color: var(--ink2);
  line-height: 1.5;
}
.compare-row:last-child { border-bottom: none; }
.compare-col.good .compare-row { color: var(--ink); }
@media (max-width: 700px) {
  .compare-grid { grid-template-columns: 1fr; }
  .compare-col:first-child { border-right: none; border-bottom: 1px solid var(--rule); }
}

/* ── STACK LIST (architecture) ── */
.stack-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule2);
  align-items: baseline;
}
.stack-row:first-child { border-top: 1px solid var(--rule); }
.stack-name {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.stack-desc { font-size: 0.95rem; color: var(--ink2); line-height: 1.65; }
@media (max-width: 700px) {
  .stack-row { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ── LESSON CARD ── */
.lesson-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 2.5rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--rule2);
  align-items: start;
}
.lesson-row:first-child { border-top: 1px solid var(--rule); }
.lesson-num {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--ink4);
  padding-top: 0.3rem;
}
.lesson-title {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.lesson-body { font-size: 0.95rem; color: var(--ink2); line-height: 1.75; }

/* ── OUTPUT CASE ── */
.case-card {
  border: 1px solid var(--rule);
  padding: 3rem;
  margin-bottom: 2rem;
  background: white;
}
.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.case-docket { font-family: var(--ff-mono); font-size: 0.65rem; letter-spacing: 0.1em; color: var(--ink3); text-transform: uppercase; }
.case-verdict {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4em 0.9em;
}
.verdict-pass  { background: #E8F4EC; color: #2D6A3F; }
.verdict-warn  { background: #FEF3CD; color: #856404; }
.verdict-fail  { background: #FCE8E8; color: #842029; }
.case-clause {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--ink2);
  background: var(--cream2);
  padding: 1.5rem;
  border-left: 3px solid var(--accent);
  margin-bottom: 2rem;
}

/* ── CODE BLOCK ── */
pre {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--ink2);
  background: var(--cream2);
  padding: 2rem;
  overflow-x: auto;
  border-left: 3px solid var(--accent);
}

/* ── CHECKLIST ── */
.checklist-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule2);
  font-size: 0.95rem;
  color: var(--ink2);
  align-items: flex-start;
}
.checklist-item:first-child { border-top: 1px solid var(--rule); }
.check-icon { font-family: var(--ff-mono); font-size: 0.7rem; color: var(--accent); padding-top: 0.15rem; flex-shrink: 0; }

/* ── FOOTER ── */
footer {
  padding: 4rem 0 3rem;
  border-top: 1px solid var(--rule);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 2rem;
}
.footer-brand {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink3);
  line-height: 2;
}
.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink4);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--ink); }

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(.16,1,.3,1), transform 0.9s cubic-bezier(.16,1,.3,1);
}
.reveal.up { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.45s; }

/* ── BREADCRUMB ── */
.breadcrumb {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink4);
  margin-bottom: 3rem;
}
.breadcrumb a { color: var(--ink3); }
.breadcrumb span { margin: 0 0.75rem; }

/* ── STAT ROW ── */
.stat-row {
  display: grid;
  border-top: 1px solid var(--rule);
}
.stat-cell {
  padding: 3rem 0;
  border-bottom: 1px solid var(--rule);
}
.stat-cell + .stat-cell {
  border-left: none;
}

/* ── HERO PAGE HEADER ── */
.page-hero {
  padding-top: clamp(8rem, 16vw, 14rem);
  padding-bottom: clamp(5rem, 10vw, 9rem);
}

/* ── HIGHLIGHT BANNER ── */
.banner {
  background: var(--ink);
  color: var(--cream);
  padding: clamp(4rem, 8vw, 7rem) var(--pad);
}
.banner h2 { color: var(--cream); }
.banner p { color: rgba(245,242,236,0.65); }

/* ── PROJECT NAV CARD ── */
.proj-link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule);
  transition: all 0.25s;
  gap: 2rem;
}
.proj-link-card:first-child { border-top: 1px solid var(--rule); }
.proj-link-card:hover { padding-left: 1.5rem; }
.proj-link-card:hover .proj-arrow { transform: translateX(6px); }
.proj-num { font-family: var(--ff-mono); font-size: 0.65rem; color: var(--ink4); width: 2.5rem; flex-shrink: 0; }
.proj-name-wrap { flex: 1; }
.proj-cat { font-family: var(--ff-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.35rem; }
.proj-name { font-family: var(--ff-display); font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 300; color: var(--ink); }
.proj-status { font-family: var(--ff-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink4); flex-shrink: 0; }
.proj-arrow { font-size: 1rem; color: var(--ink3); transition: transform 0.25s; flex-shrink: 0; }