/**
 * TAVOLA DEI SANTI — Design System
 * Editorial, minimal. Inspired by Frantoio Franci.
 * Font: Inter (sans) + Cormorant Garamond (serif)
 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&family=Inter:wght@300;400;500;600&display=swap');

/* ─── CSS Custom Properties ─────────────────────────────── */
:root {
  --white:    #FAFAF8;
  --black:    #111111;
  --grey:     #F0EFEC;
  --border:   #E0DFDB;
  --muted:    #888888;
  --muted-lt: #AAAAAA;
  --burgundy: #7A1535;
  --sage:     #8A9A7A;

  --font-sans:  'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;

  --container: 1280px;
  --gutter:    2rem;

  --transition-fast:   0.2s ease;
  --transition-base:   0.4s ease;
  --transition-slow:   0.7s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--white);
  color: var(--black);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
}

/* ─── Typography Scale ──────────────────────────────────── */
.t-display {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.t-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
}

.t-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  line-height: 1.2;
}

.t-body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted);
}

.t-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

.t-caption {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Layout Utilities ──────────────────────────────────── */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: 5rem;
}

.section--sm {
  padding-block: 3rem;
}

.section--lg {
  padding-block: 7rem;
}

/* ─── Flex / Grid Utilities ─────────────────────────────── */
.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-col      { display: flex; flex-direction: column; }
.gap-1         { gap: 0.5rem; }
.gap-2         { gap: 1rem; }
.gap-3         { gap: 1.5rem; }
.gap-4         { gap: 2rem; }

/* ─── Colour utilities ──────────────────────────────────── */
.bg-white  { background-color: var(--white); }
.bg-black  { background-color: var(--black); color: var(--white); }
.bg-grey   { background-color: var(--grey); }
.bg-sage   { background-color: var(--sage); color: var(--white); }
.text-muted { color: var(--muted); }
.text-white { color: var(--white); }

/* ─── Base Buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 0;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
  padding: 0.85rem 2rem;
  border: 1px solid var(--black);
}
.btn-primary:hover {
  background: #333;
  border-color: #333;
}

.btn-outline {
  background: transparent;
  color: var(--black);
  padding: 0.85rem 2rem;
  border: 1px solid var(--black);
}
.btn-outline:hover {
  background: var(--black);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--black);
}
.btn-ghost:hover {
  color: var(--muted);
  border-color: var(--muted);
}

/* ─── Divider ───────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ─── Toast ─────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--black);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 9999;
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.toast-icon { color: #5cba5c; font-size: 1rem; }

/* ─── Badge ─────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  background: var(--black);
  color: var(--white);
  line-height: 1;
}
.badge--offer   { background: var(--burgundy); }
.badge--best    { background: var(--black); }

/* ─── Scroll Reveal ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Price update flash ────────────────────────────────── */
@keyframes priceFlash {
  0%   { opacity: 0.3; }
  100% { opacity: 1; }
}
.price-update {
  animation: priceFlash 0.4s ease;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --gutter: 1.25rem;
  }
  .section {
    padding-block: 3rem;
  }
  .section--lg {
    padding-block: 4rem;
  }
}