/**
 * Backlot Child Theme — Base
 * Derivato da: docs/design-system.md v1.1.0
 *
 * Ordine sezioni:
 *   1. @font-face (self-hosted, latin subset)
 *   2. CSS reset minimo
 *   3. Body & root
 *   4. Typography base (h1-h6, p, a, strong, em)
 *   5. Code & pre (con stile distintivo)
 *   6. Blockquote cinematic (Cormorant italic)
 *   7. Forms (reset minimo)
 *   8. Selection
 *   9. Scrollbar custom (webkit + firefox)
 *  10. Skip link a11y
 *  11. prefers-reduced-motion
 *  12. Print styles minimi
 */

/* ============================================================
   01. @FONT-FACE — self-hosted woff2 (subset latin)
   I file -ext.woff2 (latin-ext) NON sono inclusi: contenuto IT
   non ne ha bisogno. Aggiungere se necessario per altre lingue.
   ============================================================ */

/* --- Plus Jakarta Sans (UI / body / display) --- */
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../fonts/plus-jakarta/plus-jakarta-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../fonts/plus-jakarta/plus-jakarta-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../fonts/plus-jakarta/plus-jakarta-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* --- Cormorant (cinematic serif italic) --- */
@font-face {
  font-family: 'Cormorant';
  src: url('../fonts/cormorant/cormorant-400-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Cormorant';
  src: url('../fonts/cormorant/cormorant-500-italic.woff2') format('woff2');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Cormorant';
  src: url('../fonts/cormorant/cormorant-600-italic.woff2') format('woff2');
  font-weight: 600;
  font-style: italic;
  font-display: swap;
}

/* --- Geist (display alternative, eyebrow, numerali) --- */
@font-face {
  font-family: 'Geist';
  src: url('../fonts/geist-sans/geist-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('../fonts/geist-sans/geist-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('../fonts/geist-sans/geist-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('../fonts/geist-sans/geist-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --- Geist Mono (code primario) --- */
@font-face {
  font-family: 'Geist Mono';
  src: url('../fonts/geist-mono/geist-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('../fonts/geist-mono/geist-mono-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* --- IBM Plex Mono (code fallback) --- */
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono/ibm-plex-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono/ibm-plex-mono-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   02. RESET MINIMO
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
  /* Larghezza scrollbar Firefox (vedi sezione 9) */
  scrollbar-color: var(--backlot-gold-deep) var(--backlot-surface-1);
  scrollbar-width: thin;
}

body {
  margin: 0;
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul[role='list'],
ol[role='list'] {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ============================================================
   03. BODY & ROOT
   ============================================================ */
body {
  background-color: var(--backlot-bg);
  color: var(--backlot-text);
  font-family: var(--backlot-font-body);
  font-size: var(--backlot-fs-body);
  font-weight: var(--backlot-fw-regular);
  line-height: var(--backlot-lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Astra container override.
   Astra applica .ast-separate-container al <body> stesso (specificity
   0,0,1,0) sovrascrivendo `body { background }`. Targettiamo le classi
   Astra direttamente per allinearle al dark Backlot. Il remap delle
   --ast-global-color-* in tokens.css fa già il grosso del lavoro: queste
   regole sono un "belt-and-braces" per layout dove Astra usa colori
   hardcoded (es. .ast-separate-container `#f5f5f5` nel main.min.css). */
body.ast-separate-container,
body.ast-plain-container,
body.ast-page-builder-template,
body.ast-narrow-container {
  background-color: var(--backlot-bg);
  color: var(--backlot-text);
}

.site,
#page,
.site-content,
.ast-container {
  background-color: transparent;
  color: var(--backlot-text);
}

.ast-separate-container .ast-article-inner,
.ast-separate-container .ast-article-single:not(.ast-related-post),
.ast-separate-container .ast-article-post,
.ast-plain-container .site-content > .ast-container {
  background-color: var(--backlot-surface-1);
  color: var(--backlot-text);
}

/* Sidebar widget e footer: surface secondaria per dare layering visibile */
.ast-separate-container.ast-two-container #secondary .widget,
.site-footer {
  background-color: var(--backlot-surface-2);
  color: var(--backlot-text);
  border-color: var(--backlot-border);
}

/* ============================================================
   04. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--backlot-space-4) 0;
  color: var(--backlot-text);
  font-family: var(--backlot-font-sans);
  font-weight: var(--backlot-fw-semibold);
  line-height: var(--backlot-lh-heading);
}

h1 {
  font-size: var(--backlot-fs-display-xl);
  line-height: var(--backlot-lh-display);
  letter-spacing: var(--backlot-ls-tight);
  font-weight: var(--backlot-fw-bold);
}

h2 {
  font-size: var(--backlot-fs-display-lg);
  line-height: var(--backlot-lh-display);
}

h3 {
  font-size: var(--backlot-fs-display-md);
}

h4 {
  font-size: var(--backlot-fs-h4);
}

h5 {
  font-size: var(--backlot-fs-h5);
}

h6 {
  font-size: var(--backlot-fs-body);
  font-weight: var(--backlot-fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--backlot-ls-eyebrow);
  color: var(--backlot-text-secondary);
}

p {
  margin: 0 0 var(--backlot-space-4) 0;
}

a {
  color: var(--backlot-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--backlot-transition-fast),
              border-color var(--backlot-transition-fast);
}

a:hover {
  color: var(--backlot-gold-soft);
  border-bottom-color: currentColor;
}

a:focus-visible {
  outline: none;
  box-shadow: var(--backlot-shadow-focus-ring);
  border-radius: var(--backlot-radius-sm);
}

strong, b {
  font-weight: var(--backlot-fw-semibold);
  color: var(--backlot-text);
}

em, i {
  font-style: italic;
}

small {
  font-size: var(--backlot-fs-body-sm);
  color: var(--backlot-text-secondary);
}

hr {
  border: none;
  height: 1px;
  background: var(--backlot-border);
  margin: var(--backlot-space-8) 0;
}

ul, ol {
  margin: 0 0 var(--backlot-space-4) 0;
  padding-left: var(--backlot-space-6);
}

li {
  margin-bottom: var(--backlot-space-2);
}

li::marker {
  color: var(--backlot-gold);
}

/* ============================================================
   05. CODE & PRE (stile distintivo brand)
   ============================================================ */
code, kbd, samp {
  font-family: var(--backlot-font-mono);
  font-size: 0.92em;
  background: var(--backlot-surface-3);
  color: var(--backlot-gold-soft);
  padding: 0.15em 0.45em;
  border-radius: var(--backlot-radius-sm);
  border: 1px solid var(--backlot-border);
}

kbd {
  background: var(--backlot-surface-2);
  color: var(--backlot-text);
  box-shadow: inset 0 -1px 0 var(--backlot-border-gold);
  font-size: 0.85em;
}

pre {
  margin: 0 0 var(--backlot-space-5) 0;
  background: var(--backlot-surface-3);
  border-left: 3px solid var(--backlot-gold);
  border-radius: var(--backlot-radius-item);
  padding: var(--backlot-space-5);
  overflow-x: auto;
  font-family: var(--backlot-font-mono);
  font-size: var(--backlot-fs-body-sm);
  line-height: 1.6;
  color: var(--backlot-text);
  /* Scrollbar interna coerente */
  scrollbar-color: var(--backlot-gold-deep) transparent;
  scrollbar-width: thin;
}

pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* ============================================================
   06. BLOCKQUOTE — cinematic (Cormorant italic)
   ============================================================ */
blockquote {
  margin: var(--backlot-space-8) 0;
  padding: var(--backlot-space-6) var(--backlot-space-8);
  background: var(--backlot-surface-1);
  border-left: 3px solid var(--backlot-gold);
  border-radius: var(--backlot-radius-card-soft);
  font-family: var(--backlot-font-serif);
  font-style: italic;
  font-weight: var(--backlot-fw-regular);
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: var(--backlot-lh-tight);
  color: var(--backlot-text);
}

blockquote p:last-child {
  margin-bottom: 0;
}

blockquote cite {
  display: block;
  margin-top: var(--backlot-space-3);
  font-family: var(--backlot-font-sans);
  font-style: normal;
  font-size: var(--backlot-fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--backlot-ls-eyebrow);
  color: var(--backlot-text-muted);
}

/* ============================================================
   07. FORMS — reset minimo (componenti completi in B2)
   ============================================================ */
input, textarea, select {
  background: var(--backlot-surface-2);
  color: var(--backlot-text);
  border: 1px solid var(--backlot-border);
  border-radius: var(--backlot-radius-input);
  padding: var(--backlot-space-3) var(--backlot-space-4);
  transition: border-color var(--backlot-transition-base),
              box-shadow var(--backlot-transition-base);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--backlot-gold);
  box-shadow: var(--backlot-shadow-focus-ring);
}

textarea {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
  line-height: var(--backlot-lh-body);
}

::placeholder {
  color: var(--backlot-text-dim);
  opacity: 1;
}

/* ============================================================
   08. SELECTION
   ============================================================ */
::selection {
  background: rgba(201, 168, 76, 0.35);
  color: var(--backlot-text);
  text-shadow: none;
}

::-moz-selection {
  background: rgba(201, 168, 76, 0.35);
  color: var(--backlot-text);
  text-shadow: none;
}

/* ============================================================
   09. SCROLLBAR — webkit (Firefox è in `html` sopra)
   ============================================================ */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--backlot-surface-1);
}

::-webkit-scrollbar-thumb {
  background: var(--backlot-gold-deep);
  border-radius: 6px;
  border: 3px solid var(--backlot-surface-1);  /* "padding" effetto */
}

::-webkit-scrollbar-thumb:hover {
  background: var(--backlot-gold);
}

::-webkit-scrollbar-corner {
  background: var(--backlot-surface-1);
}

/* ============================================================
   10. SKIP LINK — accessibility
   ============================================================ */
.backlot-skip-link {
  position: absolute;
  top: -100px;
  left: var(--backlot-space-4);
  z-index: var(--backlot-z-tooltip);
  padding: var(--backlot-space-3) var(--backlot-space-5);
  background: var(--backlot-gold);
  color: var(--backlot-bg);
  font-weight: var(--backlot-fw-semibold);
  border-radius: var(--backlot-radius-sm);
  transition: top var(--backlot-transition-base);
}

.backlot-skip-link:focus {
  top: var(--backlot-space-4);
}

/* ============================================================
   11. PREFERS-REDUCED-MOTION
   Disabilita transizioni e animazioni per chi ne fa richiesta.
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   12. PRINT — minimi (preserva leggibilità)
   ============================================================ */
@media print {
  body {
    background: white;
    color: black;
  }
  a {
    color: black;
    text-decoration: underline;
  }
  pre, blockquote {
    border: 1px solid #999;
    background: white;
    color: black;
  }
}