/* === Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #F4F0E2;
  --polygon:  #ffffff;
  --tint:     rgba(80, 52, 20, 0.10);
  --ink:      #2a2520;
  --muted:    #6e6860;
  --rule:     rgba(80, 52, 20, 0.20);
  --av:       #002D45;
  --cp:       #4A1E6E;
  --lw:       #D48000;
  --aw:       #980830;
  --mono:     'Courier New', Courier, monospace;
  --display:  'Bebas Neue', sans-serif;
}

html { background: var(--bg); color: var(--ink); }

body {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--ink); }
a:hover { color: var(--cp); }

/* === Header === */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: baseline;
  gap: 32px;
}

.site-title {
  font-family: var(--display);
  font-size: 28px;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--ink);
}

.site-nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
}

.site-nav a {
  font-size: 11px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.site-nav a:hover { color: var(--ink); }

/* === Main === */
.site-main {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding: 48px 24px 80px;
}

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 16px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* === Hero === */
.hero {
  margin-bottom: 64px;
}

.hero-eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 12px;
}

.hero h1 {
  font-family: var(--display);
  font-size: clamp(56px, 9vw, 110px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero-desc {
  max-width: 640px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.hero-desc p {
  margin-bottom: 14px;
}

.hero-desc p:last-child {
  margin-bottom: 0;
}

/* === Visualization block === */
.viz-block {
  margin-bottom: 72px;
}

.viz-link {
  display: block;
  text-decoration: none;
  position: relative;
  background: var(--polygon);
  border: 1px solid var(--rule);
  overflow: hidden;
  transition: box-shadow 0.15s ease;
}

.viz-link:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.10);
}

.viz-link img {
  display: block;
  width: 100%;
  height: auto;
}

.viz-link .viz-placeholder {
  width: 100%;
  aspect-ratio: 2 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--polygon);
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 40px 40px;
}

.viz-placeholder-label {
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--muted);
  opacity: 0.6;
}

.viz-caption {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 8px;
}

.viz-caption a {
  color: var(--cp);
  text-decoration: none;
}

.viz-caption a:hover { text-decoration: underline; }

/* === Class legend === */
.class-legend {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin: 40px 0;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.class-legend-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}

.class-swatch {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* === Content sections === */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 64px;
  margin-top: 64px;
}

@media (max-width: 680px) {
  .content-grid { grid-template-columns: 1fr; }
}

.content-block h2 {
  font-family: var(--display);
  font-size: 26px;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}

.content-block p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 10px;
}

.content-block p.callout {
  color: var(--aw);
  font-weight: bold;
}

/* === Stat strip === */
.stat-strip {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  margin: 56px 0;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-family: var(--display);
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0.02em;
}

.stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* === Section blocks === */
.site-main hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 64px 0;
}

.section-block {
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--display);
  font-size: 42px;
  letter-spacing: 0.03em;
  margin-bottom: 32px;
}

.section-intro {
  max-width: 560px;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.content-block h3 {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

/* === Authors block === */
.authors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 64px;
}

@media (max-width: 680px) {
  .authors-grid { grid-template-columns: 1fr; }
}

.author-name {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}

/* === Artist block === */
.artist-block {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 640px;
}

.artist-text p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.artist-text a {
  color: var(--cp);
  text-decoration: none;
}

.artist-text a:hover { text-decoration: underline; }

/* === Print section === */
.print-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}

@media (max-width: 720px) {
  .print-layout { grid-template-columns: 1fr; }
}

.print-image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}

.print-copy {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.print-intro {
  color: var(--muted);
  line-height: 1.8;
}

.print-size-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.print-size-row {
  display: grid;
  grid-template-columns: 96px auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.print-price {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.02em;
  line-height: 1;
  text-align: right;
  white-space: nowrap;
}

.print-shipping {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  display: block;
  margin-top: 3px;
}

.print-rect-cell {
  display: flex;
  align-items: center;
}

.print-rect {
  background: var(--polygon);
  border: 1px solid var(--ink);
}

.print-rect.featured {
  border-color: var(--cp);
}

.print-size-num {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
}

.print-size-desc {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
}

.print-btn-single {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 8px 16px;
  align-self: flex-start;
}

.print-btn-single:hover {
  background: var(--ink);
  color: var(--bg);
}