/* =========================================================
   Barbaresco, Cru by Cru — stylesheet
   Fonts: Boska (display) / Source Serif 4 (body) / Switzer (UI)
   ========================================================= */

/* ---------- Design tokens ---------- */
:root, [data-theme="light"] {
  /* Surfaces — warm parchment */
  --color-bg: #f8f2e6;
  --color-surface: #fdfaf3;
  --color-surface-2: #ffffff;
  --color-surface-offset: #f1e7d4;
  --color-surface-offset-2: #ebdec4;
  --color-divider: #e3d5b8;
  --color-border: #d8c6a2;

  --color-text: #2a1a18;
  --color-text-muted: #6c5847;
  --color-text-faint: #a6927a;
  --color-text-inverse: #fdfaf3;

  /* Primary accent — Barbaresco garnet */
  --color-primary: #7c1f2c;
  --color-primary-hover: #611722;
  --color-primary-active: #47101a;
  --color-primary-highlight: #e9d2d4;

  /* Secondary accents */
  --color-gold: #a9812f;
  --color-gold-hover: #8c6a24;
  --color-gold-highlight: #ecdfbc;

  --color-warning: #96541e;
  --color-warning-highlight: #e6d3bd;
  --color-success: #4c6b2e;
  --color-success-highlight: #d8e0c6;
  --color-error: #a12c4a;
  --color-error-highlight: #e6cdd6;

  /* Map palette */
  --map-bg: #f2e8d4;
  --map-river: #7fa7ad;
  --map-contour: #cbb98f;
  --map-shape: #c98a53;
  --map-shape-hover: #7c1f2c;
  --map-shape-fill: color-mix(in oklab, var(--map-shape) 20%, transparent);

  --radius-sm: 0.4rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.1rem;
  --radius-xl: 1.6rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(.16,1,.3,1);
  --shadow-sm: 0 1px 3px oklch(0.2 0.03 30 / 0.10);
  --shadow-md: 0 8px 24px oklch(0.2 0.03 30 / 0.12);
  --shadow-lg: 0 20px 48px oklch(0.2 0.03 30 / 0.18);

  --font-display: 'Boska', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'Switzer', 'Helvetica Neue', Arial, sans-serif;
}

[data-theme="dark"] {
  --color-bg: #1c1310;
  --color-surface: #221815;
  --color-surface-2: #271c18;
  --color-surface-offset: #2a1e19;
  --color-surface-offset-2: #33241d;
  --color-divider: #3a2a22;
  --color-border: #4a362b;

  --color-text: #efe3d1;
  --color-text-muted: #b6a189;
  --color-text-faint: #7d6a56;
  --color-text-inverse: #241a16;

  --color-primary: #d97b87;
  --color-primary-hover: #e6a0aa;
  --color-primary-active: #f0c1c8;
  --color-primary-highlight: #402226;

  --color-gold: #d8ac52;
  --color-gold-hover: #e6c078;
  --color-gold-highlight: #40331f;

  --color-warning: #cf9257;
  --color-warning-highlight: #4a3a26;
  --color-success: #9db67d;
  --color-success-highlight: #313a26;
  --color-error: #d4788f;
  --color-error-highlight: #40232c;

  --map-bg: #2a1e19;
  --map-river: #4f7d84;
  --map-contour: #4a382a;
  --map-shape: #b06b3d;
  --map-shape-hover: #e6a0aa;
  --map-shape-fill: color-mix(in oklab, var(--map-shape) 22%, transparent);

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.35);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

/* ---------- Type scale ---------- */
: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, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);
  --text-hero: clamp(2.75rem, 1rem + 5.5vw, 6rem);

  --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;

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

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: none; text-size-adjust: none; scroll-behavior: smooth; hanging-punctuation: first last; scroll-padding-top: 88px; }
body {
  min-height: 100dvh; line-height: 1.65;
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; font-family: var(--font-display); font-weight: 600; }
p, li, figcaption { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

a, button, [role='button'] { transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-primary); color: var(--color-text-inverse); padding: var(--space-3) var(--space-4); z-index: 200; border-radius: var(--radius-sm); }
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

.wrap { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: clamp(var(--space-5), 4vw, var(--space-10)); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner { display: flex; align-items: center; gap: var(--space-6); padding-block: var(--space-4); }
.logo { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--color-primary); flex-shrink: 0; }
.logo em { color: var(--color-gold); font-style: normal; }
.main-nav { display: flex; gap: var(--space-6); margin-left: auto; font-family: var(--font-ui); font-size: var(--text-sm); }
.main-nav a { color: var(--color-text-muted); padding-block: var(--space-2); border-bottom: 2px solid transparent; }
.main-nav a:hover { color: var(--color-primary); border-color: var(--color-gold); }
.theme-toggle { display: grid; place-items: center; width: 38px; height: 38px; border-radius: var(--radius-full); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }
.nav-toggle { display: none; width: 38px; height: 38px; border-radius: var(--radius-full); color: var(--color-text); }
.mobile-nav { display: none; flex-direction: column; padding: var(--space-4) clamp(var(--space-5), 4vw, var(--space-10)) var(--space-6); border-top: 1px solid var(--color-divider); font-family: var(--font-ui); }
.mobile-nav a { padding-block: var(--space-3); border-bottom: 1px solid var(--color-divider); color: var(--color-text-muted); }
.mobile-nav.is-open { display: flex; }

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: grid; place-items: center; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 84vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, oklch(0.15 0.03 30 / 0.15) 0%, oklch(0.12 0.03 30 / 0.55) 62%, oklch(0.1 0.03 30 / 0.86) 100%); }
.hero-content { position: relative; z-index: 1; padding-block: var(--space-24) var(--space-16); color: #fdfaf3; max-width: 880px; }
.eyebrow { font-family: var(--font-ui); text-transform: uppercase; letter-spacing: 0.14em; font-size: var(--text-xs); color: #e9d2b0; margin-bottom: var(--space-4); }
.hero h1 { font-size: var(--text-hero); font-weight: 550; letter-spacing: -0.01em; margin-bottom: var(--space-6); }
.hero h1 span { display: block; color: #e3b6bd; font-style: italic; }
.hero-lede { font-size: var(--text-lg); max-width: 62ch; color: #f1e6d5; margin-bottom: var(--space-8); }
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }

.btn { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-ui); font-weight: 500; font-size: var(--text-sm); padding: var(--space-3) var(--space-6); border-radius: var(--radius-full); border: 1px solid transparent; }
.btn-primary { background: var(--color-primary); color: #fdfaf3; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn-ghost { border-color: color-mix(in oklab, #fdfaf3 45%, transparent); color: #fdfaf3; }
.btn-ghost:hover { background: color-mix(in oklab, #fdfaf3 12%, transparent); }

/* ---------- Sections ---------- */
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section-alt { background: var(--color-surface-offset); }
.kicker { font-family: var(--font-ui); text-transform: uppercase; letter-spacing: 0.12em; font-size: var(--text-xs); color: var(--color-gold); font-weight: 600; margin-bottom: var(--space-3); }
.section-title { font-size: var(--text-2xl); margin-bottom: var(--space-5); max-width: 18ch; }
.section-lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 74ch; margin-bottom: var(--space-12); line-height: 1.6; }
.fine-print { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-3); }
.source-line { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-10); font-family: var(--font-ui); }
.source-line a { color: var(--color-text-muted); text-decoration: underline; text-underline-offset: 2px; }
.source-line a:hover { color: var(--color-primary); }

/* ---------- Versus grid ---------- */
.versus-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.versus-card { background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-sm); }
.versus-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-4); color: var(--color-primary); }
.versus-card p { color: var(--color-text-muted); }
.mini-compare { display: flex; justify-content: space-between; gap: var(--space-4); padding-block: var(--space-3); border-bottom: 1px dashed var(--color-divider); }
.mini-compare:last-of-type { border-bottom: none; }
.mini-compare > div { display: flex; flex-direction: column; }
.mini-label { font-family: var(--font-ui); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-faint); }
.mini-compare strong { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); }
.mini-compare small { font-size: var(--text-xs); color: var(--color-text-muted); }

@media (max-width: 760px) { .versus-grid { grid-template-columns: 1fr; } }

/* ---------- Maps ---------- */
.map-shell { position: relative; background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-xl); padding: clamp(var(--space-4), 3vw, var(--space-8)); box-shadow: var(--shadow-md); }
.region-map, .mini-map { width: 100%; height: auto; border-radius: var(--radius-md); overflow: visible; }
.map-bg { fill: var(--map-bg); }
.map-contours path { fill: none; stroke: var(--map-contour); stroke-width: 1.5; }
.map-river { fill: none; stroke: var(--map-river); stroke-width: 10; stroke-linecap: round; opacity: 0.75; }
.map-river.thin { stroke-width: 6; }
.map-river-label, .map-town-label { font-family: var(--font-ui); font-size: 13px; fill: var(--color-text-muted); }
.map-town-dot { fill: var(--color-text); }
.commune-label { font-family: var(--font-display); font-size: 19px; fill: var(--color-text); text-anchor: middle; pointer-events: none; font-weight: 600; }
.commune-label-sm { font-size: 14px; }
.commune-sublabel { font-family: var(--font-ui); font-size: 11px; fill: var(--color-text-muted); text-anchor: middle; pointer-events: none; }
.cru-label { font-family: var(--font-ui); font-size: 12.5px; fill: var(--color-text); text-anchor: middle; pointer-events: none; font-weight: 500; }

.commune-shape, .cru-shape {
  fill: var(--map-shape-fill);
  stroke: var(--map-shape);
  stroke-width: 2;
  cursor: pointer;
  transition: fill var(--transition-interactive), stroke var(--transition-interactive), transform var(--transition-interactive);
  transform-origin: center;
}
.commune-shape:hover, .commune-shape:focus-visible,
.cru-shape:hover, .cru-shape:focus-visible {
  fill: color-mix(in oklab, var(--map-shape-hover) 30%, transparent);
  stroke: var(--map-shape-hover);
  transform: scale(1.02);
}
.compass-ring { fill: none; stroke: var(--color-text-faint); stroke-width: 1.2; }
.compass-needle { fill: var(--color-primary); }
.compass-n { font-family: var(--font-ui); font-size: 11px; fill: var(--color-text-muted); text-anchor: middle; }

.map-tooltip {
  position: absolute; z-index: 20; pointer-events: none;
  background: var(--color-text); color: var(--color-bg);
  font-family: var(--font-ui); font-size: var(--text-xs);
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  max-width: 260px; box-shadow: var(--shadow-lg);
  transform: translate(-50%, calc(-100% - 12px));
}
.map-tooltip strong { display: block; font-family: var(--font-display); font-size: var(--text-sm); margin-bottom: var(--space-1); color: var(--color-bg); }
.map-caption { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); text-align: center; }

.commune-chip-row { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.commune-chip { font-family: var(--font-ui); font-size: var(--text-sm); padding: var(--space-2) var(--space-5); border-radius: var(--radius-full); border: 1px solid var(--color-border); background: var(--color-surface); position: relative; padding-left: var(--space-8); }
.commune-chip::before { content: ''; position: absolute; left: var(--space-4); top: 50%; translate: 0 -50%; width: 9px; height: 9px; border-radius: 50%; background: var(--chip-c, var(--color-primary)); }
.commune-chip:hover { border-color: var(--chip-c, var(--color-primary)); color: var(--chip-c, var(--color-primary)); }

/* ---------- Cru comparison grid ---------- */
.filter-row { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-8); }
.filter-btn { font-family: var(--font-ui); font-size: var(--text-sm); padding: var(--space-2) var(--space-5); border-radius: var(--radius-full); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-muted); }
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fdfaf3; }

.cru-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-5); }
.cru-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); display: flex; flex-direction: column; gap: var(--space-3); transition: transform var(--transition-interactive), box-shadow var(--transition-interactive); }
.cru-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.cru-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); }
.cru-card-head h3 { font-size: var(--text-lg); }
.commune-badge { font-family: var(--font-ui); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); white-space: nowrap; font-weight: 600; }
.badge-barbaresco { background: var(--color-primary-highlight); color: var(--color-primary); }
.badge-neive { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge-treiso { background: var(--color-success-highlight); color: var(--color-success); }
.badge-sanrocco { background: var(--color-gold-highlight); color: var(--color-gold); }
.cru-style { color: var(--color-text-muted); font-size: var(--text-sm); flex-grow: 1; }
.cru-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.cru-tag { font-family: var(--font-ui); font-size: var(--text-xs); padding: var(--space-1) var(--space-3); border-radius: var(--radius-full); background: var(--color-surface-offset); color: var(--color-text-muted); border: 1px solid var(--color-divider); }
.cru-producer { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-text-faint); border-top: 1px dashed var(--color-divider); padding-top: var(--space-3); margin-top: var(--space-1); }
.cru-producer strong { color: var(--color-text); font-family: var(--font-ui); }

/* ---------- Commune blocks ---------- */
.commune-block { padding-block: clamp(var(--space-16), 7vw, var(--space-24)); border-top: 1px solid var(--color-divider); }
.alt-band { background: var(--color-surface-offset); }
.commune-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.commune-grid.reverse .commune-copy { order: 2; }
.commune-map-wrap { position: relative; }
.commune-grid.reverse .commune-map-wrap { order: 1; }
.commune-tag { font-family: var(--font-ui); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-gold); font-weight: 600; }
.commune-copy h3 { font-size: var(--text-2xl); margin-block: var(--space-3) var(--space-5); }
.commune-copy h3 small { font-family: var(--font-body); font-style: italic; font-size: var(--text-lg); color: var(--color-text-muted); font-weight: 400; }
.commune-copy > p { color: var(--color-text-muted); margin-bottom: var(--space-5); font-size: var(--text-base); }
.fact-list { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-6); }
.fact-list li { font-size: var(--text-sm); color: var(--color-text-muted); padding-left: var(--space-5); position: relative; }
.fact-list li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 6px; height: 6px; border-radius: 50%; background: var(--color-gold); }
.fact-list strong { color: var(--color-text); }

.producer-card { background: var(--color-surface); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary); border-radius: var(--radius-md); padding: var(--space-6); box-shadow: var(--shadow-sm); }
.producer-eyebrow { font-family: var(--font-ui); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-primary); font-weight: 600; margin-bottom: var(--space-2); }
.producer-card h4 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.producer-card p { color: var(--color-text-muted); font-size: var(--text-sm); }
.producer-note { margin-top: var(--space-3); font-size: var(--text-xs); color: var(--color-text-faint); font-style: italic; }

.mini-map { background: transparent; }

@media (max-width: 900px) {
  .commune-grid, .commune-grid.reverse { grid-template-columns: 1fr; }
  .commune-grid.reverse .commune-copy, .commune-grid.reverse .commune-map-wrap { order: initial; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-text); color: var(--color-bg); padding-block: var(--space-16) var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-12); padding-bottom: var(--space-10); border-bottom: 1px solid color-mix(in oklab, var(--color-bg) 18%, transparent); }
.footer-logo { color: color-mix(in oklab, var(--color-bg) 92%, transparent); margin-bottom: var(--space-4); }
.footer-note { color: color-mix(in oklab, var(--color-bg) 62%, transparent); font-size: var(--text-sm); max-width: 48ch; }
.footer-heading { font-family: var(--font-ui); text-transform: uppercase; letter-spacing: 0.1em; font-size: var(--text-xs); color: color-mix(in oklab, var(--color-bg) 55%, transparent); margin-bottom: var(--space-4); }
.footer-sources ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-sources a { font-size: var(--text-sm); color: color-mix(in oklab, var(--color-bg) 80%, transparent); text-decoration: underline; text-decoration-color: color-mix(in oklab, var(--color-bg) 30%, transparent); text-underline-offset: 3px; }
.footer-sources a:hover { color: var(--color-bg); }
.footer-bottom { padding-top: var(--space-6); }
.footer-bottom p { font-size: var(--text-xs); color: color-mix(in oklab, var(--color-bg) 45%, transparent); }

@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }