/* vinotecai.com — foglio di stile condiviso */

:root {
  --wine: #6b2737;
  --wine-dark: #4d1b27;
  --wine-soft: #f3e9ea;
  --ink: #23201e;
  --muted: #6b645f;
  --bg: #faf7f4;
  --surface: #ffffff;
  --surface-alt: #f4efea;
  --line: #e4dbd3;
  --focus: #a8536a;
  --radius: 10px;
  --maxw: 1080px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --wine: #c98b9b;
    --wine-dark: #e0aebb;
    --wine-soft: #33232a;
    --ink: #ece7e3;
    --muted: #a9a099;
    --bg: #1a1715;
    --surface: #232020;
    --surface-alt: #2b2725;
    --line: #3a3432;
    --focus: #d79cae;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--wine); }
a:hover { color: var(--wine-dark); }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- intestazione ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.brand .ai { color: var(--wine); }

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 15px;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--wine);
}

/* ---------- tipografia ---------- */

h1, h2, h3 {
  font-family: var(--serif);
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(28px, 4.4vw, 40px); letter-spacing: -.01em; }
h2 { font-size: clamp(21px, 2.6vw, 26px); margin-top: 1.6em; }
h3 { font-size: 18px; margin-top: 1.4em; }

p { margin: 0 0 1em; }

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 68ch;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--wine);
  font-weight: 600;
  margin-bottom: 10px;
}

/* ---------- sezioni ---------- */

.section { padding: 56px 0; }
.section--tight { padding: 36px 0; }
.section--alt { background: var(--surface-alt); border-block: 1px solid var(--line); }

.grid-3 {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.card h3 { margin-top: 0; }
.card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

.btn {
  display: inline-block;
  background: var(--wine);
  color: #fff;
  border: 1px solid var(--wine);
  border-radius: 7px;
  padding: 11px 20px;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover { background: var(--wine-dark); border-color: var(--wine-dark); color: #fff; }

@media (prefers-color-scheme: dark) {
  .btn, .btn:hover { color: #201417; }
}

.btn--ghost {
  background: transparent;
  color: var(--wine);
  border-color: var(--line);
}
.btn--ghost:hover { background: var(--wine-soft); color: var(--wine-dark); border-color: var(--wine); }

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--wine-soft);
  color: var(--wine-dark);
  border-radius: 999px;
  padding: 4px 11px;
}

/* ---------- piè di pagina ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 30px 0;
  font-size: 14px;
  color: var(--muted);
  margin-top: 40px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer a { color: var(--muted); }

/* ---------- accessibilità ---------- */

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.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;
}