/* ElmsPark prototype gallery. Deep Forest palette, Fraunces + Inter. */

:root {
  --paper: #F6F2EA;
  --paper-warm: #EFEAE0;
  --ink: #181411;
  --ink-soft: #2A231C;
  --muted: #605647;
  --accent: #3A5140;
  --accent-hover: #2A3D2F;
  --rule: #DDD6C6;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-text: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 76rem;
  --reading: 40rem;
  --pad-x: clamp(1.5rem, 5vw, 4rem);
}

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

html { font-size: 100%; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-text);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}

p { margin: 0 0 1.25em; max-width: var(--reading); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.15s ease;
}
a:hover, a:focus-visible { color: var(--accent-hover); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

::selection { background: var(--accent); color: var(--paper); }

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1rem;
  text-decoration: none;
  z-index: 100;
}
.skip-link:focus { top: 1rem; color: var(--paper); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, 'Courier New', monospace;
  font-size: 0.9em;
  background: var(--paper-warm);
  padding: 0.1em 0.35em;
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.accent { color: var(--accent); }

/* Header */
.gallery-header {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.75rem var(--pad-x);
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
}

.gallery-eyebrow {
  font-family: var(--font-text);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.wordmark-line { margin: 0; font-size: 1.375rem; line-height: 1; }

@media (max-width: 640px) {
  .gallery-header { flex-direction: column; gap: 1rem; align-items: flex-start; }
}

/* Intro */
.intro {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) var(--pad-x) clamp(2rem, 4vw, 3rem);
}

.intro h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0 0 2rem;
}

.intro .lede {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.45;
  color: var(--ink-soft);
  font-style: italic;
  max-width: 48rem;
}

/* Sections */
.reference-section, .matrix-section, .surprises-section, .how-section, .next-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--pad-x);
  border-top: 1px solid var(--rule);
}

.reference-card {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 52rem;
}

.reference-eyebrow {
  font-family: var(--font-text);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.4rem;
}

.reference-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

.reference-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
  max-width: 100%;
}

/* Surprises */
.surprises-intro {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 48rem;
  margin: 0 0 2.5rem;
}

.surprises-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 820px) {
  .surprises-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

.surprise-card {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
}

.surprise-eyebrow {
  font-family: var(--font-text);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1rem 0 0.5rem;
}

.surprise-name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

.surprise-why {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  max-width: 100%;
}

.surprise-why strong {
  color: var(--ink);
  font-weight: 600;
}

.surprise-card .matrix-link {
  margin-top: auto;
  padding-top: 0.5rem;
  align-self: flex-start;
}

.section-heading {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin: 0 0 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}

/* Matrix */
.matrix-wrap { overflow-x: auto; margin-bottom: 2rem; }

.matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  min-width: 40rem;
}

.matrix th, .matrix td {
  padding: 1.5rem;
  border: 1px solid var(--rule);
  vertical-align: top;
  text-align: left;
}

.matrix thead th {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.125rem;
  color: var(--ink);
  background: var(--paper-warm);
  letter-spacing: -0.01em;
}

.matrix-corner {
  background: transparent !important;
  border-top: none !important;
  border-left: none !important;
}

.matrix-row-head {
  background: var(--paper-warm);
  min-width: 12rem;
  width: 14rem;
}

.palette-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--ink);
  display: block;
  letter-spacing: -0.01em;
  margin-bottom: 0.35rem;
  line-height: 1.15;
}

.palette-note {
  font-family: var(--font-text);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
}

.matrix-cell {
  min-width: 14rem;
  background: var(--paper);
}

.matrix-canonical {
  background: rgba(58, 81, 64, 0.045);
}

.swatches {
  display: flex;
  gap: 0.3rem;
  margin-bottom: 1.25rem;
}

.swatch {
  display: inline-block;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
}

.matrix-link {
  display: inline-block;
  font-family: var(--font-text);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: color 0.15s, border-color 0.15s;
}

.matrix-link:hover,
.matrix-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.canonical-tag {
  font-family: var(--font-text);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0.9rem 0 0;
}

.matrix-summary {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 58rem;
  margin: 0;
}

/* How section */
.how-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: steps;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 820px) {
  .how-list { grid-template-columns: 1fr 1fr; gap: 2.5rem 3rem; }
}

.how-list li {
  counter-increment: steps;
  padding-left: 3rem;
  position: relative;
}

.how-list li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.how-list h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}

.how-list p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: 100%;
}

.how-list a { word-break: break-word; }

/* Next */
.next-section p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  line-height: 1.4;
  color: var(--ink-soft);
  font-style: italic;
  max-width: 48rem;
}

/* Footer */
.gallery-footer {
  border-top: 1px solid var(--rule);
  padding: 2.5rem var(--pad-x);
  background: var(--paper-warm);
  margin-top: 3rem;
}

.gallery-footer p {
  max-width: var(--container);
  margin: 0 auto 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.gallery-footer p:last-child { margin-bottom: 0; }

.gallery-footer-note { font-style: italic; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}