/* ==========================================================================
   Portfolio Samuele Casabianca — style.css
   Solo CSS vanilla. Variabili di tema in :root per personalizzazione futura.
   ========================================================================== */

/* ---------- Variabili di tema ---------- */
:root {
  /* Colori */
  --color-bg: #0e0e10;            /* sfondo principale (quasi nero) */
  --color-surface: #17171b;       /* superfici / card */
  --color-placeholder: #232328;   /* sfondo box placeholder foto */
  --color-border-dash: #4a4a52;   /* bordo tratteggiato placeholder */
  --color-text: #f2f2f0;
  --color-text-muted: #9a9aa2;
  --color-accent: #c9a26b;        /* accento caldo per hover/dettagli */
  --color-overlay: rgba(10, 10, 12, 0.55);        /* overlay scuro pannelli */
  --color-overlay-light: rgba(10, 10, 12, 0.25);  /* overlay pannello in hover */

  /* Font */
  --font-display: 'Anton', sans-serif;      /* titoli strutturali */
  --font-script: 'Caveat', cursive;         /* "Samuele" in corsivo */
  --font-body: 'Archivo', sans-serif;       /* testo corrente */

  /* Spaziature */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;

  /* Varie */
  --nav-height: 64px;
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 4px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ---------- Utility ---------- */
.u-hidden {
  display: none !important;
}

/* Box placeholder foto generico (usato anche da gallerie e ritratti).
   Quando arriveranno le foto reali basta sostituire il div .ph con un <img>. */
.ph {
  background: var(--color-placeholder);
  border: 1px dashed var(--color-border-dash);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  user-select: none;
}

/* ==========================================================================
   Barra di navigazione fissa
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0 var(--space-md);
  z-index: 100;
  background: linear-gradient(to bottom, rgba(10, 10, 12, 0.85), rgba(10, 10, 12, 0));
}

/* Su pagine con contenuto scrollabile la nav ha uno sfondo pieno */
.site-nav--solid {
  background: rgba(14, 14, 16, 0.92);
  border-bottom: 1px solid #26262c;
  backdrop-filter: blur(6px);
}

/* Logo reale (immagine ritagliata in assets/logo-sc.png): la cornice ad
   angoli aperti che prima disegnavamo via ::before/::after è già disegnata
   nel file, quindi qui serve solo dimensionare l'<img> e dare un feedback
   hover leggero (l'immagine non può cambiare colore come faceva il testo). */
.logo-sc {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.5rem;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.logo-sc img {
  display: block;
  height: 46px;
  width: auto;
  max-width: 64px;
  max-height: 46px;
  object-fit: contain;
}

.logo-sc:hover {
  opacity: 0.8;
}

/* Breadcrumb testuale */
.breadcrumb {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  overflow: hidden;
  white-space: nowrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-text);
}

.breadcrumb span[aria-current] {
  color: var(--color-text);
}

.breadcrumb .sep {
  color: #55555e;
}

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

.nav-contact {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.nav-contact:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Hamburger (menu mobile) */
.nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  z-index: 210;
}

.nav-burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Burger -> X quando il menu è aperto */
.nav-burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-burger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Overlay menu a schermo intero (iniettato da main.js) */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(12, 12, 14, 0.97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--color-accent);
}

.mobile-menu a.menu-sub {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  letter-spacing: 0.2em;
}

.mobile-menu a.menu-sub:hover {
  color: var(--color-accent);
}

/* Terzo livello (es. le categorie foto dentro Foto): stesso stile, più discreto */
.mobile-menu a.menu-sub2 {
  font-size: 0.8rem;
  opacity: 0.75;
}

/* ==========================================================================
   Componente "pannelli verticali" (vedi js/panels.js)
   ========================================================================== */
.panels {
  display: flex;
  height: 100vh;
  height: 100dvh; /* mobile: evita salti con la barra del browser */
  overflow: hidden;
}

.panel {
  position: relative;
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: flex-grow var(--transition-slow);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.panel:last-child {
  border-right: none;
}

.panel:hover,
.panel:focus-visible {
  flex-grow: 1.6;
  outline: none;
}

/* Slide di sfondo (iniettate da panels.js): da ferme si vede solo la prima,
   statica (nessuna transizione). Il crossfade parte/si ferma esclusivamente
   quando panels.js crea/distrugge il suo setInterval (in risposta a
   mouseenter/mouseleave/focus/blur sul pannello) alternando la classe
   `.is-active` — niente `:hover`/`:focus-visible` diretto qui: quei
   pseudo-stati possono restare "veri" più a lungo di quanto sembri (es. un
   pannello che rimane focused dopo un click, o lo stato del DOM ripristinato
   dalla bfcache), facendo ripartire il cambio slide senza che il cursore sia
   davvero sopra. */
.panel-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.panel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease-in-out;
  background-size: cover;
  background-position: center;
}

/* Le foto di "Chi Sono" sono ritratti verticali: con "cover" centrato il
   pannello (molto più largo che alto quando si espande in hover) tagliava
   via il viso e mostrava solo il busto. Ancoriamo l'inquadratura in alto
   così il volto resta sempre visibile. */
.panel[href="chi-sono.html"] .panel-slide {
  background-position: center top;
}

.panel-slide.is-active {
  opacity: 1;
}

/* Variante placeholder della slide: bordo tratteggiato + etichetta "Foto N".
   L'etichetta sta in basso per non sovrapporsi al titolo del pannello. */
.panel-slide.ph {
  border: none;
  outline: 1px dashed var(--color-border-dash);
  outline-offset: -14px;
  align-items: flex-end;
  padding-bottom: 2.2rem;
}

/* Overlay scuro sopra le slide, si alleggerisce in hover */
.panel::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--color-overlay);
  transition: background var(--transition-slow);
}

.panel:hover::after,
.panel:focus-visible::after {
  background: var(--color-overlay-light);
}

/* Titolo della sezione: sempre visibile, centrato, maiuscolo */
.panel-title {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 2rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 0 var(--space-sm);
  transition: transform var(--transition-slow), letter-spacing var(--transition-slow);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}

.panel:hover .panel-title,
.panel:focus-visible .panel-title {
  transform: scale(1.18);
  letter-spacing: 0.16em;
}

/* Sottolineatura decorativa che appare in hover */
.panel-title::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  margin: 0.6rem auto 0;
  background: var(--color-accent);
  transition: width var(--transition-slow);
}

.panel:hover .panel-title::after,
.panel:focus-visible .panel-title::after {
  width: 60%;
}

/* Etichetta "sezione in costruzione" sotto il titolo del pannello (es. Streaming) */
.panel-note {
  position: relative;
  z-index: 2;
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  color: var(--color-accent);
}

/* ---------- Hero overlay sulla landing (index.html) ---------- */
.hero-name {
  position: absolute;
  top: clamp(4.5rem, 12vh, 8rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  text-align: center;
  pointer-events: none; /* i click passano ai pannelli sottostanti */
  width: 100%;
  padding: 0 var(--space-sm);
}

.hero-name .script {
  font-family: var(--font-script);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 600;
  line-height: 1;
  color: var(--color-text);
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.9);
}

.hero-name .surname {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.5vw, 3rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  line-height: 1.2;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.9);
}

.hero-name .tagline {
  margin-top: var(--space-xs);
  font-size: clamp(0.7rem, 1.6vw, 0.9rem);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.9);
}

/* ==========================================================================
   Galleria masonry + lightbox
   ========================================================================== */
.page-content {
  padding: calc(var(--nav-height) + var(--space-md)) var(--space-md) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.page-heading {
  margin-bottom: var(--space-md);
}

.page-heading h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.1;
}

.page-heading p {
  margin-top: var(--space-xs);
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* Masonry con CSS columns: semplice e senza JS */
.masonry {
  columns: 3;
  column-gap: var(--space-sm);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--space-sm);
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.masonry-item:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

/* Proporzioni varie per simulare il ritmo masonry finché non ci sono foto */
.masonry-item .ph {
  width: 100%;
}

.ph--tall {
  aspect-ratio: 3 / 4;
}

.ph--wide {
  aspect-ratio: 16 / 10;
}

.ph--square {
  aspect-ratio: 1 / 1;
}

.ph--panorama {
  aspect-ratio: 21 / 10;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(8, 8, 10, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  width: min(80vw, 1000px);
  height: min(75vh, 700px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content .ph {
  width: 100%;
  height: 100%;
  font-size: 1rem;
}

.lightbox-caption {
  position: absolute;
  bottom: 5vh;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-muted);
  padding: var(--space-sm);
  transition: color var(--transition-fast), transform var(--transition-fast);
  z-index: 2;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: var(--color-text);
  transform: scale(1.15);
}

.lightbox-close {
  top: var(--space-sm);
  right: var(--space-sm);
}

.lightbox-prev {
  left: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev:hover,
.lightbox-next:hover {
  transform: translateY(-50%) scale(1.15);
}

/* ==========================================================================
   Sezioni Streaming e Video (stile piattaforma video)
   ========================================================================== */

/* Chip di filtro (solo video.html) */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: var(--space-md);
}

.chip {
  padding: 0.5rem 1.2rem;
  border: 1px solid #2c2c33;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast),
    background var(--transition-fast);
}

.chip:hover {
  color: var(--color-text);
}

.chip.is-active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* Griglia di card (streaming.html, video.html) */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
}

.video-card {
  display: block;
  transition: opacity var(--transition-fast);
}

.video-card.is-filtered-out {
  opacity: 0;
  pointer-events: none;
}

.video-thumb {
  aspect-ratio: 16 / 9;
  width: 100%;
  background: var(--color-placeholder);
  border: 1px dashed var(--color-border-dash);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.video-card:hover .video-thumb {
  transform: scale(1.02);
}

/* Miniatura con fotogramma reale: via il riquadro tratteggiato del segnaposto.
   I video orizzontali riempiono la card (cover), quelli verticali (9:16)
   restano interi dentro la card 16:9 (contain su fondo nero) invece di
   essere ritagliati fino a mostrare solo una striscia centrale. */
.video-thumb--real,
.watch-related-thumb--real {
  background: #000;
  border-style: solid;
  border-color: #2c2c33;
  overflow: hidden;
}

.video-thumb--real img,
.watch-related-thumb--real img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-thumb--real.is-vertical img,
.watch-related-thumb--real.is-vertical img {
  object-fit: contain;
}

.video-info {
  padding-top: 0.6rem;
}

.video-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
}

.video-meta {
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Pagina di riproduzione (streaming-watch.html, video-watch.html) */
.watch-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-lg);
  align-items: start;
}

.watch-player {
  aspect-ratio: 16 / 9;
  width: 100%;
  background: var(--color-placeholder);
  border: 1px dashed var(--color-border-dash);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: var(--color-text-muted);
  cursor: pointer;
}

/* Player con video reale: fondo nero e nessun bordo tratteggiato. Per i video
   verticali il riquadro passa a 9:16 e viene centrato, con un tetto in vh che
   evita che superi l'altezza della finestra. */
.watch-player--real {
  display: block;
  background: #000;
  border: 1px solid #2c2c33;
  cursor: default;
  overflow: hidden;
}

.watch-player--real.is-vertical {
  aspect-ratio: 9 / 16;
  max-width: min(100%, 46vh);
  margin-inline: auto;
}

.watch-player--real video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.watch-player-icon {
  font-size: 3rem;
}

.watch-player-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.watch-title {
  margin-top: var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.watch-meta {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.watch-description {
  margin-top: var(--space-sm);
  color: #cfcfd4;
  max-width: 65ch;
}

.watch-related-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.watch-related-item {
  display: flex;
  gap: 0.8rem;
}

.watch-related-thumb {
  flex: 0 0 120px;
  aspect-ratio: 16 / 9;
  background: var(--color-placeholder);
  border: 1px dashed var(--color-border-dash);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.watch-related-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.watch-related-title {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.3;
}

.watch-related-meta {
  margin-top: 0.2rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@media (max-width: 900px) {
  .watch-layout {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Pagina Chi Sono
   ========================================================================== */
.about {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.about-portrait .ph,
.about-portrait img {
  aspect-ratio: 3 / 4;
  width: 100%;
  border-radius: var(--radius);
}

.about-portrait img {
  object-fit: cover;
}

.about-text h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

.about-text h1 .script {
  display: block;
  font-family: var(--font-script);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-accent);
}

.about-text p {
  margin-bottom: var(--space-sm);
  color: #cfcfd4;
  max-width: 65ch;
}

/* Bottone generico */
.btn {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 0.8rem 2rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--color-text);
  border-radius: var(--radius);
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
}

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

.btn--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--accent:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ==========================================================================
   Pagina Contattami
   ========================================================================== */
.contact-wrap {
  max-width: 640px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-form input,
.contact-form textarea {
  background: var(--color-surface);
  border: 1px solid #2c2c33;
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-links {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid #26262c;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.contact-links a {
  color: var(--color-text);
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.contact-links a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md);
  border-top: 1px solid #1f1f24;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* === Transizioni pannelli =================================================
   Transizione animata tra le pagine a pannelli (vedi js/panels.js):
   - USCITA: .panel-expander è un clone fixed del pannello cliccato che si
     espande a tutto schermo (.is-full) mentre il resto sfuma (.is-leaving).
   - INGRESSO: i pannelli partono chiusi (.panel--closed, scale 0) dietro la
     cover .panels-cover e si aprono in sequenza (split orizzontale su
     desktop, verticale su mobile).
   Con prefers-reduced-motion il JS non attiva nulla di tutto questo. */

/* -- Uscita: clone del pannello che si espande -- */
.panel-expander {
  position: fixed;
  z-index: 150; /* sopra nav (100) e hero (10), sotto menu mobile (200) */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-placeholder);
  background-size: cover;
  background-position: center;
  transition:
    top 0.55s cubic-bezier(0.65, 0, 0.35, 1),
    left 0.55s cubic-bezier(0.65, 0, 0.35, 1),
    width 0.55s cubic-bezier(0.65, 0, 0.35, 1),
    height 0.55s cubic-bezier(0.65, 0, 0.35, 1);
}

/* Stessa velatura scura dei pannelli, per continuità visiva */
.panel-expander::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-overlay-light);
}

.panel-expander .panel-title {
  position: relative;
  z-index: 1;
}

/* Stato finale: tutto schermo (!important per vincere sugli stili inline
   con cui il JS posiziona il clone sul rettangolo di partenza) */
.panel-expander.is-full {
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
}

/* Il resto della pagina sfuma mentre il clone cresce */
.is-leaving .panel,
.is-leaving .hero-name {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.panels--leaving .panel {
  pointer-events: none;
}

/* -- Ingresso: cover + split dei pannelli -- */
.panels-cover {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.panels--entering .panel {
  transform: scaleX(1);
  transform-origin: left center;
  transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
  pointer-events: none;
}

.panels--entering .panel.panel--closed {
  transform: scaleX(0);
  transition: none;
}

/* Su mobile i pannelli sono impilati: lo split diventa verticale */
@media (max-width: 768px) {
  .panels--entering .panel {
    transform: scaleY(1);
    transform-origin: center top;
  }

  .panels--entering .panel.panel--closed {
    transform: scaleY(0);
  }
}

/* === Splash screen ========================================================
   Schermata di benvenuto della home (solo index.html, vedi js/splash.js):
   overlay a schermo pieno col monogramma centrato, fade-out via .is-hidden. */
.splash {
  position: fixed;
  inset: 0;
  z-index: 400; /* sopra menu mobile (200) e lightbox (300) */
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.7s ease;
}

.splash.is-hidden {
  opacity: 0;
  pointer-events: none;
}

/* Palco centrale dello splash: quadrato con angoli smussati che racchiude il
   logo. Dimensione fissa (non fluida) perché i keyframe dei due punti di luce
   sono in percentuale relativa a questo box: cambia solo via media query, non
   con clamp/vw, altrimenti i due sistemi (punti + riquadro) potrebbero
   disallinearsi durante un resize a metà animazione. */
.splash-stage {
  position: relative;
  width: 168px;
  height: 168px;
}

@media (max-width: 768px) {
  .splash-stage {
    width: 128px;
    height: 128px;
  }
}

/* Il riquadro vero e proprio: sfondo/bordo leggermente più chiari dello
   sfondo dello splash (altrimenti, essendo entrambi scuri, il "ritaglio"
   luminoso del contorno non si vedrebbe). Parte completamente mascherato
   (clip-path chiuso, non semplice opacity: 0) e viene "rivelato" dall'alto
   verso il basso in sincrono col percorso dei due punti (stessa durata). */
.splash-frame {
  --splash-frame-radius: 18px;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--splash-frame-radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  clip-path: inset(0 0 100% 0 round var(--splash-frame-radius));
  animation: splash-frame-reveal 1.2s cubic-bezier(0.4, 0, 0.2, 1) both;
  transition: background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* Applicata da js/splash.js un istante prima del "volo" verso la nav: il
   riquadro perde il proprio sfondo/bordo mentre il logo (vedi .logo-fly)
   si muove al suo posto, così alla fine resta solo il logo, senza cornice,
   coerente con l'aspetto "nudo" del logo nella nav. */
.splash-frame.is-dismissing {
  background-color: transparent;
  border-color: transparent;
  box-shadow: none;
}

@media (max-width: 768px) {
  .splash-frame {
    padding: 14px;
  }
}

.splash-frame-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes splash-frame-reveal {
  from {
    clip-path: inset(0 0 100% 0 round var(--splash-frame-radius));
  }
  to {
    clip-path: inset(0 0 0% 0 round var(--splash-frame-radius));
  }
}

/* Punti luminosi che "ritagliano" il quadrato fuori dal buio: partono
   insieme dal centro del lato superiore e percorrono il perimetro in
   direzioni opposte (orario/antiorario), incontrandosi al centro del lato
   inferiore. Le coordinate sono in percentuale (relative a .splash-stage),
   così restano corrette a qualunque dimensione del box, incluso dopo un
   resize della finestra. */
.splash-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 10px;
  height: 10px;
  margin: -5px;
  border-radius: 50%;
  background: var(--color-text);
  box-shadow: 0 0 12px 4px rgba(242, 242, 240, 0.85);
  opacity: 0;
}

.splash-dot--cw {
  animation: splash-dot-cw 1.2s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.splash-dot--ccw {
  animation: splash-dot-ccw 1.2s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes splash-dot-cw {
  0% {
    left: 50%;
    top: 0%;
    opacity: 1;
  }
  25% {
    left: 100%;
    top: 0%;
  }
  75% {
    left: 100%;
    top: 100%;
  }
  95% {
    opacity: 1;
  }
  100% {
    left: 50%;
    top: 100%;
    opacity: 0;
  }
}

@keyframes splash-dot-ccw {
  0% {
    left: 50%;
    top: 0%;
    opacity: 1;
  }
  25% {
    left: 0%;
    top: 0%;
  }
  75% {
    left: 0%;
    top: 100%;
  }
  95% {
    opacity: 1;
  }
  100% {
    left: 50%;
    top: 100%;
    opacity: 0;
  }
}

/* Logo "in volo" verso la nav (clone creato da js/splash.js): posizionato
   sul rettangolo esatto del logo dello splash, poi animato con
   transform: translate() + scale() — mai top/left/width/height diretti,
   per restare sul compositor e non innescare reflow durante l'animazione. */
.logo-fly {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 410; /* sopra la splash (400) */
  display: block;
  object-fit: contain;
  pointer-events: none;
  transform-origin: top left;
  transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .masonry {
    columns: 2;
  }
}

@media (max-width: 768px) {
  .site-nav {
    padding: 0 var(--space-sm);
  }

  .breadcrumb {
    font-size: 0.7rem;
  }

  .nav-contact {
    display: none; /* su mobile il link Contattami vive nel menu overlay */
  }

  /* Pannelli impilati verticalmente, niente hover-expand */
  .panels {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
  }

  .panel {
    flex: none;
    min-height: 30vh;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .panel:hover,
  .panel:focus-visible {
    flex-grow: 0;
  }

  .panel:hover .panel-title {
    transform: none;
    letter-spacing: 0.1em;
  }

  /* Landing: il primo blocco lascia spazio al nome */
  .panels--landing .panel:first-child {
    padding-top: 20vh;
    min-height: 46vh;
  }

  .hero-name {
    top: clamp(3.5rem, 8vh, 6rem);
  }

  .hero-name .tagline {
    letter-spacing: 0.18em;
  }

  .page-content {
    padding: calc(var(--nav-height) + var(--space-sm)) var(--space-sm) var(--space-md);
  }

  .about {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about-portrait {
    max-width: 320px;
  }
}

@media (max-width: 560px) {
  .masonry {
    columns: 1;
  }
}

/* Desktop: hamburger visibile ma discreto (il menu overlay è utile ovunque) */
@media (min-width: 769px) {
  .nav-burger {
    opacity: 0.7;
  }

  .nav-burger:hover {
    opacity: 1;
  }
}

/* Rispetto della preferenza utente per il movimento ridotto */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  /* Niente ritaglio luminoso: il riquadro dello splash appare già completo
     e fermo, i due punti restano nascosti del tutto (non solo "veloci"). */
  .splash-frame {
    animation: none;
    clip-path: none;
  }

  .splash-dot {
    display: none;
  }
}