/* ================================================================
   Duccio Florence Local Advice — shared design system
   Warm Tuscan palette, editorial-mono type, generous whitespace
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  /* Palette — warm Tuscan */
  --cream: #FBF6EC;
  --cream-deep: #F3EADA;
  --paper: #FEFBF4;
  --ink: #1A1614;
  --ink-soft: #3D3530;
  --ink-mute: #78706A;
  --line: #E5DCC9;
  --line-soft: #EFE6D3;

  --terracotta: #C94B2B;
  --terracotta-deep: #A13A1E;
  --olive: #4A5D3A;
  --olive-deep: #364529;
  --ochre: #E2A530;
  --sky: #6B8A9E;

  /* Type */
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;

  /* Rhythm */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 14px;

  --gutter: clamp(20px, 3.5vw, 48px);
  --max-w: 1340px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

img { display: block; max-width: 100%; }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ===== Site chrome ===== */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--cream);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(1.1);
}

.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand__mark {
  width: 22px; height: 22px;
  background: var(--terracotta);
  border-radius: 50%;
  transform: translateY(4px);
  position: relative;
}
.brand__mark::after {
  content: '';
  position: absolute;
  inset: 5px;
  background: var(--cream);
  border-radius: 50%;
}

.brand__wordmark {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.brand__wordmark em {
  font-style: normal;
  color: var(--terracotta);
}

.site-nav {
  display: flex;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.site-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  transition: background 120ms, color 120ms;
}
.site-nav a:hover { background: var(--cream-deep); color: var(--ink); }
.site-nav a.is-active {
  background: var(--ink);
  color: var(--cream);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--paper);
  transition: border-color 120ms ease, background 120ms ease;
}

.nav-toggle:hover {
  border-color: var(--ink);
  background: var(--cream-deep);
}

.nav-toggle__bars {
  position: relative;
  width: 18px;
  height: 12px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after,
.nav-toggle__bars span {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease, top 180ms ease;
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars span { top: 5px; }
.nav-toggle__bars::after { top: 10px; }

.site-header.nav-open .nav-toggle__bars::before {
  top: 5px;
  transform: rotate(45deg);
}

.site-header.nav-open .nav-toggle__bars span {
  opacity: 0;
}

.site-header.nav-open .nav-toggle__bars::after {
  top: 5px;
  transform: rotate(-45deg);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px var(--gutter);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 80px auto 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== Utility ===== */
.mono { font-family: var(--font-mono); }
.serif { font-family: var(--font-serif); }

.label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--paper);
  color: var(--ink-soft);
}

/* ===== Placeholder image ===== */
.img-ph {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(201, 75, 43, 0.08) 0 6px,
      rgba(201, 75, 43, 0.03) 6px 12px
    ),
    var(--cream-deep);
  color: var(--ink-soft);
}
.img-ph__tag {
  position: absolute;
  left: 10px; bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 4px 7px;
  border-radius: 4px;
}

@media (max-width: 1100px) {
  body.nav-open {
    overflow: hidden;
  }

  .site-header {
    overflow: visible;
  }

  .site-header__inner {
    position: relative;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }

  .brand {
    min-width: 0;
    flex: 1;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px var(--gutter) 16px;
    background: rgba(251, 246, 236, 0.98);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px -28px rgba(26, 22, 20, 0.35);
    backdrop-filter: blur(10px);
  }

  .site-header.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    white-space: normal;
    padding: 12px 14px;
  }
}

@media (min-width: 701px) and (max-width: 1100px) {
  .site-header__inner {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .brand__wordmark {
    font-size: 13px;
  }

  .site-nav {
    gap: 10px;
    padding-top: 14px;
    padding-bottom: 18px;
  }

  .site-nav a {
    padding: 13px 16px;
    font-size: 12px;
  }
}

@media (max-width: 700px) {
  .site-header__inner {
    padding-top: 12px;
    padding-bottom: 10px;
  }

  .brand {
    width: auto;
    justify-content: flex-start;
  }

  .brand__wordmark {
    font-size: 12px;
    line-height: 1.35;
  }

  .site-nav {
    gap: 8px;
    padding: 10px 16px 14px;
  }

  .site-footer {
    margin-top: 56px;
    padding-top: 28px;
    padding-bottom: 28px;
    gap: 10px;
    flex-direction: column;
    align-items: flex-start;
  }
}