/*
Theme Name:   Olimpia Ruiz
Theme URI:    https://olimpiaruiz.com
Description:  Child theme per il sito editoriale di Olimpia Ruiz di Altamirano. Basato su GeneratePress.
Author:       Sviluppatore CMS
Template:     generatepress
Version:      1.0.0
Text Domain:  olimpiaruiz
*/

/* ============================================================
   DESIGN SYSTEM — CSS Custom Properties
   ============================================================ */

:root {
  /* --- Palette --- */
  --color-primary:        #E8452C;   /* corallo/terracotta vivace */
  --color-primary-dark:   #C73820;
  --color-primary-light:  #FDECEA;

  --color-secondary:      #2D4A3E;   /* verde foresta */
  --color-secondary-dark: #1C3028;
  --color-secondary-light:#E8F0EC;

  --color-accent:         #F5C842;   /* giallo caldo */
  --color-accent-dark:    #D4AA00;

  --color-bg:             #FAFAF7;   /* bianco caldo — sfondo principale */
  --color-bg-alt:         #F0EDE6;   /* sabbia — sezioni alternate */
  --color-bg-dark:        #1A1A18;   /* quasi-nero — footer/hero dark */

  --color-text:           #1A1A18;
  --color-text-muted:     #6B6B65;
  --color-text-light:     #9A9A92;
  --color-white:          #FFFFFF;

  --color-border:         #E2DED5;

  /* --- Tipografia --- */
  --font-display:  'Playfair Display', Georgia, serif;
  --font-body:     'DM Sans', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --text-xs:    0.75rem;    /*  12px */
  --text-sm:    0.875rem;   /*  14px */
  --text-base:  1rem;       /*  16px */
  --text-md:    1.125rem;   /*  18px */
  --text-lg:    1.25rem;    /*  20px */
  --text-xl:    1.5rem;     /*  24px */
  --text-2xl:   2rem;       /*  32px */
  --text-3xl:   2.5rem;     /*  40px */
  --text-4xl:   3.25rem;    /*  52px */
  --text-5xl:   4rem;       /*  64px */

  --leading-tight:  1.15;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  --weight-regular: 400;
  --weight-medium:  500;
  --weight-bold:    700;

  /* --- Spaziature --- */
  --space-1:   0.25rem;   /*  4px */
  --space-2:   0.5rem;    /*  8px */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1rem;      /* 16px */
  --space-5:   1.5rem;    /* 24px */
  --space-6:   2rem;      /* 32px */
  --space-8:   3rem;      /* 48px */
  --space-10:  4rem;      /* 64px */
  --space-12:  5rem;      /* 80px */
  --space-16:  7rem;      /* 112px */
  --space-20:  9rem;      /* 144px */

  /* --- Layout --- */
  --container-sm:   640px;
  --container-md:   768px;
  --container-lg:  1024px;
  --container-xl:  1200px;
  --container-2xl: 1400px;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* --- Ombre --- */
  --shadow-sm:  0 1px 3px rgba(26,26,24,.08);
  --shadow-md:  0 4px 16px rgba(26,26,24,.10);
  --shadow-lg:  0 8px 32px rgba(26,26,24,.12);
  --shadow-xl:  0 16px 48px rgba(26,26,24,.15);

  /* --- Transizioni --- */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* --- Z-index --- */
  --z-below:   -1;
  --z-base:     0;
  --z-raised:  10;
  --z-overlay: 50;
  --z-modal:  100;
  --z-nav:    200;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ============================================================
   TIPOGRAFIA
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 { font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl)); }
h2 { font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

p {
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  color: var(--color-text);
  max-width: 68ch;
}

p + p {
  margin-top: var(--space-4);
}

strong { font-weight: var(--weight-bold); }
em     { font-style: italic; }

.text-display {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
}

.text-muted { color: var(--color-text-muted); }
.text-small { font-size: var(--text-sm); }

/* ============================================================
   LAYOUT — CONTAINER & GRID
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container--wide  { max-width: var(--container-2xl); }
.container--narrow { max-width: var(--container-md); }

.section {
  padding-block: var(--space-16);
}

.section--sm { padding-block: var(--space-10); }
.section--lg { padding-block: var(--space-20); }

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-white);
}

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

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.grid--books {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-6) var(--space-5);
}

.flex { display: flex; }
.flex--center  { align-items: center; justify-content: center; }
.flex--between { align-items: center; justify-content: space-between; }
.flex--gap     { gap: var(--space-4); }

/* ============================================================
   COMPONENTI BASE
   ============================================================ */

/* --- Bottoni --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background-color var(--transition-normal),
              color var(--transition-normal),
              transform var(--transition-fast),
              box-shadow var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}
.btn--secondary:hover {
  background-color: var(--color-secondary-dark);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  box-shadow: inset 0 0 0 2px var(--color-primary);
}
.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
}
.btn--ghost:hover {
  background-color: var(--color-bg-alt);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* --- Tag / Badge --- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: var(--color-bg-alt);
  color: var(--color-text-muted);
}

.tag--primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.tag--secondary {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary-dark);
}

/* --- Separatore decorativo --- */
.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

/* ============================================================
   HEADER & NAVIGAZIONE
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-6);
}

.site-logo {
  flex-shrink: 0;
}

.site-logo__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: 1;
}

.site-logo__text span {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-nav__link {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link.current-menu-item {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

.site-nav__cta {
  margin-left: var(--space-2);
}

/* Menu WP standard — lista generata da wp_nav_menu */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list li {
  margin: 0;
}

.site-nav__list li a {
  display: block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.site-nav__list li a:hover,
.site-nav__list li.current-menu-item a,
.site-nav__list li.current_page_item a {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Hamburger mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  padding-block: var(--space-16) var(--space-12);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__label {
  margin-bottom: var(--space-4);
}

.hero__title {
  margin-bottom: var(--space-5);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 50ch;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__visual {
  position: relative;
}

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

/* ============================================================
   CARD LIBRO
   ============================================================ */

.book-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  cursor: pointer;
}

.book-card__cover {
  position: relative;
  aspect-ratio: 2/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-alt);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal);
}

.book-card:hover .book-card__cover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: var(--shadow-xl);
}

.book-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.book-card:hover .book-card__cover img {
  transform: scale(1.03);
}

.book-card__age-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.book-card__body {
  padding-inline: var(--space-1);
}

.book-card__publisher {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.book-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.book-card__year {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Card grande (featured) */
.book-card--featured .book-card__cover {
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
}

.book-card--featured .book-card__title {
  font-size: var(--text-lg);
}

/* ============================================================
   SEZIONE LIBRI
   ============================================================ */

.books-section__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  gap: var(--space-4);
}

.books-section__title {
  margin: 0;
}

.books-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.books-filter-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: var(--color-bg-alt);
  color: var(--color-text-muted);
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.books-filter-btn:hover,
.books-filter-btn.is-active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ============================================================
   SEZIONE BIO
   ============================================================ */

.bio-section__inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-16);
  align-items: center;
}

.bio-section__photo {
  position: relative;
}

.bio-section__photo-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
  background-color: var(--color-bg-alt);
}

.bio-section__photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Decorazione geometrica dietro la foto */
.bio-section__photo::before {
  content: '';
  position: absolute;
  inset: var(--space-4) calc(var(--space-4) * -1) calc(var(--space-4) * -1) var(--space-4);
  background-color: var(--color-secondary-light);
  border-radius: var(--radius-xl);
  z-index: var(--z-below);
}

.bio-section__content .section-label {
  margin-bottom: var(--space-4);
}

.bio-section__title {
  margin-bottom: var(--space-5);
}

.bio-section__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.bio-section__numbers {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.bio-number__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.bio-number__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ============================================================
   NEWS / EVENTI
   ============================================================ */

.news-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-6);
  padding: var(--space-6);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.news-card--compact {
  grid-template-columns: 1fr;
  padding: var(--space-5);
}

.news-card__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
  background-color: var(--color-bg-alt);
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card__image img {
  transform: scale(1.04);
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.news-card__date {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.news-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.news-card:hover .news-card__title {
  color: var(--color-primary);
}

.news-card__excerpt {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-4);
}

.news-card__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition-fast);
}

.news-card__link:hover { gap: var(--space-3); }

.news-card__link::after {
  content: '→';
}

/* ============================================================
   FORM CONTATTI
   ============================================================ */

.contact-form-wrap {
  max-width: 680px;
  margin-inline: auto;
}

.wpcf7-form .form-group {
  margin-bottom: var(--space-5);
}

.wpcf7-form label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form textarea,
.wpcf7-form select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}

.wpcf7-form input:focus,
.wpcf7-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.wpcf7-form textarea {
  resize: vertical;
  min-height: 140px;
}

.wpcf7-form .wpcf7-submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background-color: var(--color-primary);
  color: var(--color-white);
  transition: background-color var(--transition-normal),
              transform var(--transition-fast);
  cursor: pointer;
  border: none;
}

.wpcf7-form .wpcf7-submit:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-white);
  padding-block: var(--space-12) var(--space-6);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: var(--space-6);
}

.site-footer__brand p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  margin-top: var(--space-3);
  max-width: 36ch;
}

.site-footer__col-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: var(--space-4);
}

.site-footer__links li + li {
  margin-top: var(--space-2);
}

.site-footer__links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.7);
  transition: color var(--transition-fast);
}

.site-footer__links a:hover {
  color: var(--color-white);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,.4);
}

/* ============================================================
   ACCESSIBILITÀ
   ============================================================ */

/* Focus visibile su tutti gli elementi interattivi */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Rimuovi outline solo per mouse/touch, mantienilo per tastiera */
:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link — visibile solo con tastiera */
.skip-link {
  position: absolute;
  top: -999px;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top var(--transition-fast);
}

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

/* Contrasto testo su sfondi chiari — verifica WCAG AA (4.5:1) */
/* --color-text #1A1A18 su --color-bg #FAFAF7 → ratio ~18:1 ✅ */
/* --color-primary #E8452C su --color-white → ratio ~4.6:1 ✅ */
/* --color-text-muted #6B6B65 su --color-bg → ratio ~5.1:1 ✅ */

/* Dimensione minima aree cliccabili (WCAG 2.5.5) */
.btn,
.site-nav__list li a,
.books-filter-btn,
.nav-toggle {
  min-height: 44px;
  min-width: 44px;
}

/* Indicatore link corrente nel menu */
.site-nav__list li.current-menu-item a,
.site-nav__list li.current_page_item a {
  font-weight: var(--weight-bold);
}

/* Animazioni ridotte per chi preferisce */
@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;
  }

  .fade-in {
    opacity: 1 !important;
  }
}

/* Alto contrasto */
@media (forced-colors: active) {
  .btn {
    border: 2px solid ButtonText;
  }
}

/* ============================================================
   UTILITÀ
   ============================================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.text-right  { text-align: right; }

.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }

.hidden { display: none !important; }

/* ============================================================
   ANIMAZIONI
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .bio-section__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .bio-section__photo {
    max-width: 320px;
    margin-inline: auto;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--space-4);
  }

  .section {
    padding-block: var(--space-10);
  }

  .site-nav {
    display: none;
    position: fixed;
    inset: 72px 0 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-5);
    border-top: 1px solid var(--color-border);
    z-index: var(--z-overlay);
    overflow-y: auto;
  }

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

  .site-nav__link {
    padding: var(--space-4);
    font-size: var(--text-base);
    border-radius: var(--radius-md);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-toggle {
    display: flex;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .grid--books {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-4) var(--space-3);
  }

  .news-card {
    grid-template-columns: 1fr;
  }

  .books-section__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .bio-section__numbers {
    flex-wrap: wrap;
    gap: var(--space-5);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .grid--books {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}