/* =========================================
   MAIN.CSS — Variabili, Reset, Base
   Giuseppe Arena — Luxury & Wine Brand Architect
   ========================================= */

/* -----------------------------------------
   CUSTOM PROPERTIES (Design Tokens)
   ----------------------------------------- */
:root {
  /* Palette cromatica */
  --color-background: #FAFAF8;
  --color-surface: #F2F0EB;
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #6B6560;
  --color-accent: #8B7355;
  --color-accent-light: #C4A882;
  --color-border: #E8E4DC;
  --color-white: #FFFFFF;

  /* Typography — font families */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;

  /* Typography — size scale (fluid) */
  --size-hero: clamp(3rem, 6vw, 7rem);
  --size-h1: clamp(2rem, 4vw, 4rem);
  --size-h2: clamp(1.5rem, 3vw, 2.5rem);
  --size-h3: clamp(1.2rem, 2vw, 1.8rem);
  --size-body: 1rem;
  --size-small: 0.875rem;

  /* Typography — line heights */
  --leading-tight: 1.1;
  --leading-body: 1.7;

  /* Typography — letter spacing */
  --tracking-wide: 0.15em;
  --tracking-wider: 0.25em;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-2xl: 120px;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
  --section-padding: clamp(60px, 10vw, 120px);
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--leading-body);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Previene scroll orizzontale (marquee, frame offset) */
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  border: none;
  outline: none;
  background: transparent;
  color: inherit;
}

/* -----------------------------------------
   TIPOGRAFIA BASE
   ----------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
}

p {
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
}

/* -----------------------------------------
   LAYOUT UTILITIES
   ----------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 5vw;
  padding-right: 5vw;
}

.section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

/* -----------------------------------------
   SKIP LINK — Accessibilità
   ----------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: 12px 24px;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--size-small);
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* -----------------------------------------
   FOCUS VISIBILE — Accessibilità
   ----------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* -----------------------------------------
   PLACEHOLDER IMMAGINI
   ----------------------------------------- */
.img-placeholder {
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  height: 100%;
  min-height: 200px;
}

.img-placeholder svg {
  width: 32px;
  height: 32px;
  opacity: 0.5;
}

.img-placeholder span {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
}

/* -----------------------------------------
   LOGO TESTUALE — NAVBAR
   ----------------------------------------- */
.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

.logo__monogram {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
  line-height: 1;
}

.logo__name {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

/* -----------------------------------------
   SEZIONE SCURA — inversione cromatica
   ----------------------------------------- */
.section--dark {
  background-color: var(--color-text-primary);
  color: var(--color-background);
}

.section--dark p,
.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--color-background);
}

.section--dark .section-label {
  color: var(--color-accent-light);
}

/* -----------------------------------------
   SEZIONE SUPERFICIE
   ----------------------------------------- */
.section--surface {
  background-color: var(--color-surface);
}

/* -----------------------------------------
   GRID UTILITIES
   ----------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

/* -----------------------------------------
   RESPONSIVE — Tablet (768px)
   ----------------------------------------- */
@media (min-width: 768px) {
  :root {
    --nav-height: 72px;
  }
}

/* -----------------------------------------
   RESPONSIVE — Desktop (1200px)
   ----------------------------------------- */
@media (min-width: 1200px) {
  :root {
    --nav-height: 72px;
  }
}

/* -----------------------------------------
   RESPONSIVE — Mobile overrides
   ----------------------------------------- */
@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .logo__name {
    display: none;
  }
}