/* ═══════════════════════════════════════════════════
   SIMONE MATTI — Portfolio v2 (design critique)
   Modifiche rispetto a style.css:
   1. --text-muted più scuro (#636358) per contrasto WCAG AA
   2. --bg-warm più distinto (#E9E5D9)
   3. Hero: layout split testo/immagine
   4. Testo progetto più leggibile (color: var(--text))
   5. Card overlay più leggero (0.30 opacità)
   6. Pagine progetto: max-width corpo testo aumentato
═══════════════════════════════════════════════════ */

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

:root {
  --bg:         #FAFAF7;
  --bg-warm:    #E9E5D9;        /* ← era #F4F2ED, ora più distinto */
  --text:       #1A1A18;
  --text-muted: #636358;        /* ← era #7A7A72, ora contrasto ~5.8:1 (WCAG AA) */
  --accent:     #1A1A18;
  --border:     #E2E0DA;
  --card-bg:    #F0EEE8;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;

  --radius:    4px;
  --trans:     0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
picture { display: contents; }
a   { color: inherit; text-decoration: none; }

/* ─── UTILITY ─── */
.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

/* ─── SCROLL ANIMATIONS ─── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s var(--trans) forwards;
}
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s;  }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s;  }

@keyframes fadeUp {
  to { opacity: 1; transform: none; }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--trans), transform 0.7s var(--trans);
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}


/* ─── HEADER ─── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--trans), background var(--trans), padding var(--trans);
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  padding: 0.7rem 2.5rem;
}

.logo {
  display: flex;
  align-items: center;
  transition: opacity var(--trans);
}
.logo:hover { opacity: 0.6; }

.logo-img {
  height: 130px;
  width: auto;
  display: block;
  transition: height var(--trans);
}
.site-header.scrolled .logo-img {
  height: 44px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}
.site-nav a {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: color var(--trans);
  position: relative;
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--text);
  transition: width var(--trans);
}
.site-nav a:hover        { color: var(--text); }
.site-nav a:hover::after { width: 100%; }

/* Language switcher */
.nav-lang {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 3px;
  transition: color var(--trans), border-color var(--trans);
  line-height: 1;
}
.nav-lang:hover { color: var(--text); border-color: var(--text); }
.nav-lang::after { display: none !important; }

.nav-social {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  transition: color var(--trans);
}
.nav-social:hover { color: var(--text); }
.nav-social::after { display: none !important; }

/* Menu toggle (mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 1px;
  background: var(--text);
  transition: transform var(--trans), opacity var(--trans);
}
.menu-toggle.open span:first-child  { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:last-child   { transform: rotate(-45deg) translate(5px, -5px); }


/* ─── MOBILE NAV ─── */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-link {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 300;
  color: var(--text);
  transition: opacity var(--trans);
}
.mobile-link:hover { opacity: 0.5; }


/* ═══════════════════════════════════════════════════
   HERO v2 — layout split: testo sx / immagine dx
   L'immagine dx occupa metà viewport, full-height,
   in modo da comunicare subito il lavoro visivo
   all'occhio del curatore.
═══════════════════════════════════════════════════ */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;   /* ← split 50/50 */
  grid-template-rows: 1fr;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: none;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--space-xl) + 3rem) 2.5rem var(--space-lg);
  grid-column: 1;
}

/* Immagine hero destra */
.hero-visual {
  grid-column: 2;
  position: relative;
  overflow: hidden;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
/* Sottile sfumatura al bordo sinistro dell'immagine
   per raccordare con il fondo bianco */
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bg) 0%, transparent 18%);
  z-index: 1;
  pointer-events: none;
}

/* Rimuovi la linea verticale decorativa (non serve più
   con l'immagine) */
.hero-line { display: none; }

.hero-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5.5vw, 6rem);   /* ← leggermente ridotto su desktop per coesistere con immagine */
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 1.8rem;
}
.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--text-muted);
}

.hero-sub {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--text-muted);
  max-width: 420px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 3px;
  transition: gap var(--trans), opacity var(--trans);
}
.hero-cta:hover { gap: 0.9rem; opacity: 0.6; }


/* ─── SECTION HEADER ─── */
.section-header {
  padding: 0 2.5rem;
  margin-bottom: 3rem;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.1;
}


/* ─── PROGETTI GRID ─── */
.progetti {
  padding: var(--space-xl) 0;
}

.progetti-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
}

.progetto-card {
  background: var(--bg);
  transition: background var(--trans);
}
.progetto-card:hover { background: var(--bg-warm); }

.card-link {
  display: block;
  padding: 2rem 2.5rem;
}

.card-img-wrap {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
}

.card-img:not(.placeholder) {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--trans);
}
.card-link:hover .card-img:not(.placeholder) {
  transform: scale(1.03);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 24, 0.45);   /* contrasto WCAG AA */
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--trans);
}
.card-overlay span {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}
.card-link:hover .card-overlay { opacity: 1; }

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  position: relative;
}

.card-index {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--text);
}

.card-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* Freccia indicatore cliccabilità — sempre visibile */
.card-body::after {
  content: '→';
  position: absolute;
  right: 0;
  bottom: 0;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: transform var(--trans), color var(--trans);
}
.card-link:hover .card-body::after {
  transform: translateX(4px);
  color: var(--text);
}


/* ─── ABOUT ─── */
.about {
  padding: var(--space-xl) 2.5rem;
  background: var(--bg-warm);   /* ← ora #E9E5D9, più distinto */
}
.about-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.about-text {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 300;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 2rem;
}
.about-link {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
  transition: color var(--trans), border-color var(--trans);
}
.about-link:hover { color: var(--text); border-color: var(--text); }


/* ─── CONTATTI ─── */
.contatti {
  padding: var(--space-xl) 0;
}
.contatti-inner {
  padding: 0 2.5rem;
}
.contatti-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 400px;
}
.contatti-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.contatti-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.8rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  background: var(--text);
  color: var(--bg);
  transition: opacity var(--trans), background var(--trans);
}
.contatti-btn:hover { opacity: 0.75; }
.contatti-btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.contatti-btn--outline:hover {
  opacity: 1;
  background: var(--bg-warm);
  border-color: var(--text);
}


/* ─── FOOTER ─── */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 2.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.site-footer a {
  color: var(--text-muted);
  transition: color var(--trans);
}
.site-footer a:hover { color: var(--text); }


/* ─── BACK TO TOP ─── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 90;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans), color var(--trans), border-color var(--trans);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}
.back-to-top:hover {
  color: var(--text);
  border-color: var(--text);
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 1.2rem;
    right: 1.2rem;
    width: 36px;
    height: 36px;
  }
}

@media print {
  .back-to-top { display: none !important; }
}


/* ─── ABOUT PAGE — Awards ─── */
.about-heading {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  margin: 3rem 0 1.5rem;
  color: var(--text);
}

.awards-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.awards-item {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
}

.awards-year {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  min-width: 3.5rem;
}

/* About CTA (usata nella pagina about) */
.about--cta {
  margin-top: var(--space-lg);
}


/* ═══════════════════════════════════════════════════
   PROGETTO — pagina singola
   Modifica chiave: testo corpo in var(--text)
   anziché var(--text-muted) per leggibilità piena.
═══════════════════════════════════════════════════ */

.progetto-hero {
  padding: calc(var(--space-xl) + 2rem) 2.5rem var(--space-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: end;
}
.progetto-index {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.progetto-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.progetto-tipo {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.progetto-desc {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-muted);
}

.progetto-cover {
  padding: 0 2.5rem var(--space-lg);
}
.progetto-cover-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--bg-warm);
}

.progetto-content {
  padding: 0 2.5rem;
  max-width: 720px;              /* ← era 680px, leggermente più ampio */
  margin: 0 auto;
}

/* Testo corpo: colore pieno invece di muted
   per leggibilità nei blocchi di testo lunghi */
.progetto-content p {
  font-size: 1.05rem;
  line-height: 1.85;             /* ← era 1.8, leggermente più ariosa */
  color: var(--text);            /* ← era text-muted */
  margin-bottom: 1.6rem;
}

/* Primo paragrafo: serif più grande, introduce il progetto */
.progetto-content p:first-child {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text);
  font-weight: 300;
  line-height: 1.6;
}

.progetto-gallery {
  padding: var(--space-lg) 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.progetto-gallery-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
}

.progetto-nav {
  display: flex;
  justify-content: space-between;
  padding: var(--space-lg) 2.5rem;
  border-top: 1px solid var(--border);
  gap: 2rem;
}
.progetto-nav-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.progetto-nav-item.next { text-align: right; }
.pnav-label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.pnav-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
  transition: opacity var(--trans);
}
.pnav-title:hover { opacity: 0.5; }


/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .progetto-hero {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-lg: 2.5rem;
  }

  .site-header { padding: 1.2rem 1.5rem; }
  .site-nav { display: none; }
  .menu-toggle { display: flex; }

  /* Hero torna a layout colonna su mobile */
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto 45vw;
  }
  .hero-inner {
    grid-column: 1;
    grid-row: 1;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-bottom: var(--space-md);
  }
  .hero-visual {
    grid-column: 1;
    grid-row: 2;
    min-height: 45vw;
  }
  .hero-visual::before {
    background: linear-gradient(to bottom, var(--bg) 0%, transparent 20%);
  }

  .progetti-grid { grid-template-columns: 1fr; }
  .card-link { padding: 1.5rem; }
  .section-header { padding: 0 1.5rem; }
  .about { padding: var(--space-lg) 1.5rem; }
  .contatti-inner { padding: 0 1.5rem; }
  .site-footer { padding: 1.5rem; }

  .progetto-cover,
  .progetto-content,
  .progetto-gallery,
  .progetto-nav { padding-left: 1.5rem; padding-right: 1.5rem; }

  .progetto-hero { padding: calc(var(--space-xl) + 2rem) 1.5rem var(--space-sm); }
  .progetto-gallery { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(2.4rem, 10vw, 3rem); }
  .contatti-links { flex-direction: column; }
  .contatti-btn { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .fade-in, .reveal { animation: none; opacity: 1; transform: none; }
  * { transition-duration: 0.01ms !important; }
}


/* ═══════════════════════════════════════════════════
   ACCESSIBILITY & POLISH
═══════════════════════════════════════════════════ */

/* ─── 0. Skip-link ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.6rem 1.4rem;
  background: var(--text);
  color: var(--bg);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
}

/* ─── 1. Focus visible — navigazione da tastiera ─── */
:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
  border-radius: 2px;
}
/* Stile specifico per bottoni lingua nel nav */
.nav-lang:focus-visible {
  outline-offset: 1px;
}
/* Rimuovi outline su click mouse (solo tastiera) */
:focus:not(:focus-visible) {
  outline: none;
}

/* ─── 2. Pagina attiva nel nav ─── */
.site-nav a[aria-current="page"] {
  color: var(--text);
}
.site-nav a[aria-current="page"]::after {
  width: 100%;
  background: var(--text);
}

/* ─── 3. ::selection ─── */
::selection {
  background: var(--bg-warm);
  color: var(--text);
}

/* ─── 4. Fade-in per immagini lazy-loaded ─── */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}
img[loading="lazy"].loaded {
  opacity: 1;
}

/* ─── 5. Galleria: aspect-ratio flessibile ─── */
.progetto-gallery-img {
  aspect-ratio: auto;       /* ← sovrascrive il 4/3 rigido */
  max-height: 85vh;         /* limita le immagini molto alte */
  object-fit: contain;
  background: var(--bg);
}

/* Per gallerie con mix orizzontale/verticale: layout masonry-like */
.progetto-gallery {
  grid-template-columns: repeat(2, 1fr);
  align-items: start;       /* ← evita lo stretch verticale */
}

@media (max-width: 768px) {
  .progetto-gallery-img {
    max-height: none;
  }
}


/* ═══════════════════════════════════════════════════
   PRINT STYLESHEET
═══════════════════════════════════════════════════ */
@media print {
  /* Nascondi elementi interattivi */
  .site-header,
  .mobile-nav,
  .menu-toggle,
  .hero-cta,
  .progetto-nav,
  .contatti,
  .site-footer,
  .nav-social { display: none !important; }

  /* Reset sfondo e colori per risparmio inchiostro */
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
    line-height: 1.5;
  }

  /* Immagini: dimensioni ragionevoli */
  img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  .progetto-cover-img {
    max-height: 40vh;
    object-fit: contain;
  }

  /* Testo: colore pieno */
  .progetto-desc,
  .progetto-content p,
  .hero-sub { color: #000 !important; }

  /* Hero: layout colonna */
  .hero {
    grid-template-columns: 1fr !important;
    min-height: auto !important;
  }
  .hero-visual { display: none; }

  .progetto-hero {
    grid-template-columns: 1fr !important;
    padding-top: 2rem !important;
  }

  /* Galleria: colonna singola */
  .progetto-gallery {
    grid-template-columns: 1fr !important;
  }

  /* Mostra URL dei link */
  .progetto-content a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  /* About section: bianco */
  .about { background: #fff !important; }

  /* Disabilita animazioni */
  .fade-in, .reveal {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}