/* ---------- Tokens ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 7vw, 7.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Work Sans', 'Helvetica Neue', Arial, sans-serif;
}

:root,
[data-theme='light'] {
  color-scheme: light;
  --color-bg: #f4eee4;
  --color-surface: #f9f5ee;
  --color-surface-2: #fcfaf6;
  --color-surface-offset: #ebe2d4;
  --color-divider: oklch(0.3 0.03 60 / 0.1);
  --color-border: oklch(0.3 0.03 60 / 0.16);
  --color-text: #221d18;
  --color-text-muted: #6b6159;
  --color-text-faint: #a3978b;
  --color-text-inverse: #f9f5ee;
  --color-primary: #9d4620;
  --color-primary-hover: #7c3617;
  --color-primary-highlight: oklch(0.55 0.13 45 / 0.12);
  --cat-pos: #9d4620;
  --cat-neg: #4a5a6a;
  --cat-mix: #a3978b;
  --shadow-sm: 0 1px 2px oklch(0.2 0.03 60 / 0.06);
  --shadow-md: 0 4px 14px oklch(0.2 0.03 60 / 0.08);
  --shadow-lg: 0 14px 36px oklch(0.2 0.03 60 / 0.12);
}

[data-theme='dark'] {
  color-scheme: dark;
  --cat-pos: #dc9163;
  --cat-neg: #8fa3b5;
  --cat-mix: #7d7267;
  --color-bg: #15120e;
  --color-surface: #1c1813;
  --color-surface-2: #221d17;
  --color-surface-offset: #26211a;
  --color-divider: oklch(0.9 0.02 70 / 0.08);
  --color-border: oklch(0.9 0.02 70 / 0.14);
  --color-text: #e8e0d4;
  --color-text-muted: #a3978a;
  --color-text-faint: #6b6156;
  --color-text-inverse: #15120e;
  --color-primary: #dc9163;
  --color-primary-hover: #eaa982;
  --color-primary-highlight: oklch(0.7 0.12 45 / 0.16);
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 14px 36px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
  --cat-pos: #dc9163;
  --cat-neg: #8fa3b5;
  --cat-mix: #7d7267;
    --color-bg: #15120e;
    --color-surface: #1c1813;
    --color-surface-2: #221d17;
    --color-surface-offset: #26211a;
    --color-divider: oklch(0.9 0.02 70 / 0.08);
    --color-border: oklch(0.9 0.02 70 / 0.14);
    --color-text: #e8e0d4;
    --color-text-muted: #a3978a;
    --color-text-faint: #6b6156;
    --color-text-inverse: #15120e;
    --color-primary: #dc9163;
    --color-primary-hover: #eaa982;
    --color-primary-highlight: oklch(0.7 0.12 45 / 0.16);
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 14px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 14px 36px oklch(0 0 0 / 0.45);
  }
}

/* ---------- Global ---------- */
body {
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(
    ellipse at 50% -20%,
    oklch(from var(--color-primary) l c h / 0.08),
    transparent 60%
  );
  background-repeat: no-repeat;
}

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus {
  top: var(--space-4);
}

.container {
  width: min(100% - 2 * var(--space-6), var(--content-wide));
  margin-inline: auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.brand span {
  white-space: nowrap;
}
.brand svg {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}
.brand:hover {
  color: var(--color-primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.header-link {
  white-space: nowrap;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.header-link:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
@media (max-width: 599px) {
  .header-link {
    display: none;
  }
}
.theme-toggle {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* ---------- Home hero ---------- */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32)) clamp(var(--space-10), 5vw, var(--space-16));
  text-align: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--text-hero);
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
}
.hero h1 strong {
  display: block;
  font-weight: 700;
}
.hero h1 .brand-line {
  display: block;
  font-weight: 700;
  font-size: 0.34em;
  letter-spacing: 0.32em;
  margin-bottom: 0.45em;
  color: var(--color-text);
}
.hero .and {
  display: block;
  margin-top: clamp(var(--space-6), 4vw, var(--space-12));
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 1;
}
.hero .and::before,
.hero .and::after {
  content: '';
  display: inline-block;
  vertical-align: middle;
  width: clamp(2rem, 6vw, 5rem);
  height: 1px;
  background: var(--color-border);
  margin-inline: var(--space-5);
}
.hero p {
  margin: var(--space-6) auto 0;
  max-width: 48ch;
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ---------- Emotion list ---------- */
.emotion-list-section {
  padding-block: var(--space-4) clamp(var(--space-16), 8vw, var(--space-24));
}
.emotion-list {
  counter-reset: emo;
  border-top: 1px solid var(--color-border);
}
@media (min-width: 720px) {
  .emotion-list {
    column-count: 2;
    column-gap: var(--space-12);
  }
}
.emotion-list li {
  counter-increment: emo;
  border-bottom: 1px solid var(--color-divider);
  max-width: none;
  break-inside: avoid;
}
.emotion-list a {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto auto;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-2);
  min-height: 56px;
  border-radius: var(--radius-sm);
}
.emotion-list a::before {
  content: attr(data-num);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
}
.emotion-list .word {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.2;
  transition: transform var(--transition-interactive), color var(--transition-interactive);
}
.emotion-list .cat {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}
.emotion-list .cat::before,
.legend .dot,
.chip .dot,
.related .dot,
.eyebrow .dot {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cat-mix);
  flex-shrink: 0;
}
[data-cat='pos'] .cat::before,
[data-cat='pos'] .dot {
  background: var(--cat-pos);
}
[data-cat='neg'] .cat::before,
[data-cat='neg'] .dot {
  background: var(--cat-neg);
}
[data-cat='mix'] .cat::before,
[data-cat='mix'] .dot {
  background: transparent;
  box-shadow: inset 0 0 0 1.5px var(--cat-mix);
}
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-6);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.chip:hover {
  border-color: var(--color-text-faint);
  color: var(--color-text);
}
.chip[aria-pressed='true'] {
  background: var(--color-surface);
  border-color: var(--color-text);
  color: var(--color-text);
}
.chip .count {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
}
.chip .hint {
  color: var(--color-text-faint);
}
.chip .hint::before {
  content: '\2014\00a0';
}
@media (max-width: 599px) {
  .chip .hint {
    display: none;
  }
}
.emotion-list[data-filter='pos'] li:not([data-cat='pos']),
.emotion-list[data-filter='neg'] li:not([data-cat='neg']),
.emotion-list[data-filter='mix'] li:not([data-cat='mix']) {
  display: none;
}
.card.related {
  margin-top: var(--space-4);
}
.card.related li {
  padding-left: 0;
}
.card.related li::before {
  content: none;
}
.card.related a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-md);
}
.card.related a:hover {
  color: var(--color-primary);
}
.emotion-list .arrow {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--transition-interactive), transform var(--transition-interactive), color var(--transition-interactive);
}
.emotion-list a:hover .word,
.emotion-list a:focus-visible .word {
  color: var(--color-primary);
  transform: translateX(4px);
}
.emotion-list a:hover .arrow,
.emotion-list a:focus-visible .arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--color-primary);
}
.emotion-list a:hover {
  background: var(--color-surface);
}
.list-note {
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Emotion page ---------- */
.page-hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-8), 4vw, var(--space-12));
  border-bottom: 1px solid var(--color-divider);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.eyebrow .num {
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}
.eyebrow .dot {
  margin-left: var(--space-1);
}
.contact-link {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--color-primary) l c h / 0.4);
  text-underline-offset: 3px;
  word-break: break-all;
}
.contact-link:hover {
  color: var(--color-primary-hover);
  text-decoration-color: currentColor;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--text-3xl);
  line-height: 1;
  letter-spacing: -0.01em;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
}
.page-hero .lead {
  margin-top: var(--space-6);
  max-width: 62ch;
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
@media (min-width: 960px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: var(--space-20);
    align-items: start;
  }
}
.prose h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}
.prose h2:first-child {
  margin-top: 0;
}
.prose p {
  max-width: 66ch;
  margin-bottom: var(--space-5);
  line-height: 1.7;
}
.prose p:last-child {
  margin-bottom: 0;
}

.aside {
  position: sticky;
  top: calc(64px + var(--space-6));
  display: grid;
  gap: var(--space-6);
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.card h3 {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.card p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.35;
}
.card ul {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.card ul li {
  padding-left: var(--space-4);
  position: relative;
}
.card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ---------- Prev / next ---------- */
.pager {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10) var(--space-16);
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .pager {
    grid-template-columns: 1fr 1fr;
  }
}
.pager a {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-5);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.pager a:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
}
.pager a.next {
  text-align: right;
}
.pager .label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.pager .title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
}
.site-footer a:hover {
  color: var(--color-primary);
}

/* ---------- Reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    animation: rise 0.7s var(--ease-out) both;
  }
  .reveal[data-delay='1'] {
    animation-delay: 0.1s;
  }
  .reveal[data-delay='2'] {
    animation-delay: 0.2s;
  }
  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}

@media (max-width: 719px) {
  .emotion-list a {
    grid-template-columns: 2.5rem 1fr auto;
  }
  .emotion-list .arrow {
    display: none;
  }
}

/* ---------- Workbook call to action ---------- */
.cta {
  padding-block: var(--space-6) var(--space-16);
}
.cta-compact {
  padding-block: 0 var(--space-12);
}
.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6) var(--space-10);
  padding: var(--space-8) var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse at 100% 0%, oklch(0.55 0.13 45 / 0.12), transparent 55%),
    var(--color-surface);
}
.cta-text {
  max-width: 34rem;
}
.cta .eyebrow {
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}
.cta h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.15;
  margin-bottom: var(--space-2);
}
.cta-compact h2 {
  font-size: var(--text-lg);
}
.cta p:last-child {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: none;
}
.cta-compact .cta-text p:last-child {
  font-size: var(--text-sm);
}
.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.button:hover {
  background: var(--color-primary-hover);
  color: var(--color-bg);
  transform: translateY(-1px);
}
.button-block {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: var(--space-4);
}
.card .price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  margin-top: var(--space-4);
  margin-bottom: 0;
}
.card .fine {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
  margin-bottom: 0;
}
.prose a:not(.button) {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 599px) {
  .cta-inner {
    padding: var(--space-6);
  }
  .button {
    width: 100%;
    justify-content: center;
  }
}
.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.cta-more {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.cta-more:hover {
  color: var(--color-primary);
}
@media (max-width: 599px) {
  .cta-actions {
    width: 100%;
  }
}

/* ---------- Download page ---------- */
.download-box {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse at 100% 0%, oklch(0.55 0.13 45 / 0.12), transparent 55%),
    var(--color-surface);
  margin-bottom: var(--space-10);
}
.download-box .eyebrow {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.download-box .button {
  font-size: var(--text-base);
  padding: 1rem 1.6rem;
  margin: var(--space-2) 0 var(--space-4);
}
.download-box .fine {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0;
}
.card .fine a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.card .fine a:hover {
  color: var(--color-primary);
}