/* =====================================================================
   KŌHEI — foglio di stile
   Mobile-first. Palette ricavata dall'EPK.
   ===================================================================== */

/* ---------- Font (ospitati in locale) ---------- */
@font-face {
  font-family: "Futura Display";
  src: url("../assets/fonts/futura-display.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
/* [FONT_AILERON]: file da aggiungere in assets/fonts/ (vedi README) */
@font-face {
  font-family: "Aileron";
  src: url("../assets/fonts/aileron-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Aileron";
  src: url("../assets/fonts/aileron-bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Token ---------- */
:root {
  --paper: #FAFAFA;
  --ink: #2B2B2B;
  --black: #000000;
  --white: #FFFFFF;
  --sketch: #D4D4D4;   /* solo decorazione, mai per testo */
  --muted: #5C5C5C;    /* testo secondario su carta (6,5:1) */
  --muted-dark: #A3A3A3; /* testo secondario su nero (8,3:1) */

  --font-display: "Futura Display", "Arial Narrow", Impact, sans-serif;
  --font-body: "Aileron", "Helvetica Neue", Arial, sans-serif;

  --gutter: clamp(1rem, 4vw, 3rem);
  --max: 78rem;
  --header-h: 4rem;
}

/* ---------- Reset essenziale ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; font-weight: 400; }
button { font: inherit; color: inherit; }

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

/* ---------- Focus visibile ---------- */
:focus-visible { outline: 3px solid var(--black); outline-offset: 3px; }
.section--black :focus-visible,
.site-footer :focus-visible,
.site-header :focus-visible { outline-color: var(--white); }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--black); color: var(--white);
  padding: .75rem 1rem; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* ---------- Logo ----------
   Il logo (assets/img/logo-kohei.webp, nero su trasparente) è usato come
   maschera: prende il colore del testo (currentColor), quindi funziona su
   fondo chiaro e scuro. Il nome "KŌHEI" resta nell'HTML per accessibilità e SEO. */
.logo {
  display: block;
  aspect-ratio: 1200 / 402;
  width: 100%;
  background-color: currentColor;
  -webkit-mask: url("../assets/img/logo-kohei.webp") center / contain no-repeat;
          mask: url("../assets/img/logo-kohei.webp") center / contain no-repeat;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(4rem, 10vw, 8rem) 0; }
.section--paper { background: var(--paper); color: var(--ink); }
.section--black { background: var(--black); color: var(--white); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 8rem);
  line-height: .85;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section--black .section-title { color: var(--white); }

.small-print { font-size: .875rem; color: var(--muted); margin-top: 1.5rem; max-width: 40rem; }

/* ---------- Bottoni: inversione stile timbro ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 3rem; padding: .75rem 1.5rem;
  font-family: var(--font-display); font-size: 1.25rem; letter-spacing: .03em;
  text-transform: uppercase; text-decoration: none;
  border: 2px solid currentColor; background: transparent; cursor: pointer;
  transition: background-color .15s, color .15s;
}
.btn--solid { background: var(--black); color: var(--white); border-color: var(--black); }
.btn--solid:hover { background: var(--white); color: var(--black); }
.btn--invert { color: var(--white); }
.btn--invert:hover { background: var(--white); color: var(--black); }
.btn--small { min-height: 2.5rem; padding: .4rem 1rem; font-size: 1.05rem; }

.text-link { text-decoration: underline; text-underline-offset: .2em; text-decoration-thickness: 1px; }
.text-link:hover { text-decoration-thickness: 3px; }

/* Segnaposto ancora da compilare: ben visibili */
.is-placeholder { outline: 2px dashed currentColor; outline-offset: 2px; opacity: .6; }
a.is-placeholder { cursor: not-allowed; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--gutter);
  color: var(--white);
  mix-blend-mode: difference; /* nero su chiaro, bianco su nero */
}
.site-header.is-open { mix-blend-mode: normal; }

.brand { display: block; width: 6.5rem; position: relative; z-index: 2; }
/* In home il logo grande è nell'hero: niente logo piccolo nell'header */
.brand--home { visibility: hidden; }

.menu-toggle {
  position: relative; z-index: 2;
  width: 3rem; height: 3rem; border: 0; background: none; cursor: pointer;
  display: grid; place-content: center; gap: .45rem;
}
.menu-toggle__bar { display: block; width: 2rem; height: 3px; background: currentColor; transition: transform .2s; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:first-child { transform: translateY(.3rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:last-child { transform: translateY(-.3rem) rotate(-45deg); }

.site-nav {
  position: fixed; inset: 0;
  background: var(--black);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--header-h) var(--gutter);
  gap: 2rem;
  visibility: hidden; opacity: 0;
  transition: opacity .2s, visibility .2s;
}
.site-header.is-open .site-nav { visibility: visible; opacity: 1; }
.site-nav ul { display: flex; flex-direction: column; gap: .25rem; }
.site-nav a {
  font-family: var(--font-display); text-transform: uppercase; text-decoration: none;
  font-size: clamp(2.75rem, 13vw, 5rem); line-height: 1;
}
.site-nav a:hover { text-decoration: underline; text-decoration-thickness: .08em; text-underline-offset: .1em; }

/* Selettore lingua a bandiere (fisso in alto a destra, sopra l'header) */
.lang-flags {
  position: fixed; z-index: 60;
  top: 0; right: calc(var(--gutter) + 3.75rem);
  height: var(--header-h);
  display: flex; align-items: center; gap: .6rem;
}
.lang-flags--end { right: var(--gutter); }
.lang-flag {
  display: block; padding: 0; border: 0; background: none; cursor: pointer;
  width: 1.75rem; height: 1.2rem; line-height: 0;
  opacity: .4; transition: opacity .15s;
  box-shadow: 0 0 0 1px rgba(128,128,128,.6);
}
.lang-flag svg { width: 100%; height: 100%; display: block; }
.lang-flag:hover, .lang-flag.is-active { opacity: 1; }
.lang-flag.is-active { box-shadow: 0 0 0 2px #808080; }
.lang-flag:focus-visible { outline: 3px solid #808080; outline-offset: 3px; }

@media (min-width: 900px) {
  .menu-toggle { display: none; }
  .site-nav {
    position: static; visibility: visible; opacity: 1;
    background: none; padding: 0;
    flex-direction: row; align-items: center; gap: 2.5rem;
  }
  .site-nav { flex: 1; justify-content: space-between; }
  .site-nav ul { flex-direction: row; gap: 1.75rem; }
  .site-nav a { font-size: 1.35rem; letter-spacing: .04em; }
  .lang-flags { right: var(--gutter); }
  .site-nav { padding-right: 6rem; }
}

/* ---------- Hero ----------
   Fondo nero. Logo e copertina centrati, stessa larghezza, uno sopra l'altra. */
.hero {
  background: var(--black);
  color: var(--white);
  padding: calc(var(--header-h) + clamp(1.5rem, 5vw, 3.5rem)) var(--gutter) clamp(3rem, 8vw, 6rem);
}
.hero__inner {
  width: min(100%, 64rem);
  margin: 0 auto;
  display: flex; flex-direction: column; align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}
.hero__title { width: 100%; color: var(--white); }
.hero__cover { width: 100%; margin: 0; }
.hero__cover img { width: 100%; aspect-ratio: 1; object-fit: cover; }
/* Bottone in evidenza (presave): bianco pieno, grande */
.featured { display: flex; flex-direction: column; align-items: center; gap: .75rem; margin-top: 1rem; }
.featured__kicker {
  margin: 0; font-size: .9rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--white);
}
.btn--featured {
  background: var(--white); color: var(--black); border: 3px solid var(--white);
  font-size: clamp(1.5rem, 4.5vw, 2.4rem); padding: 1rem 2.25rem; min-height: 4rem;
  box-shadow: 6px 6px 0 var(--sketch);
  transition: background-color .15s, color .15s, transform .15s, box-shadow .15s;
}
.btn--featured:hover { background: var(--black); color: var(--white); transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--sketch); }

/* ---------- Bio ---------- */
.bio__grid { display: grid; gap: 0; }
/* Stessa dimensione per tutto il testo della bio (paragrafi e formazione) */
.bio__body { max-width: 46rem; font-size: 1.125rem; line-height: 1.6; }
.bio__body p { margin: 0 0 1.25rem; }
.bio__lineup-title { font-family: var(--font-display); font-size: 1.75rem; text-transform: uppercase; color: var(--black); margin: 2.5rem 0 .75rem; }
.bio__lineup { display: grid; grid-template-columns: auto 1fr; gap: .35rem 1.5rem; margin: 0; }
.bio__lineup dt { font-weight: 700; color: var(--black); }
.bio__lineup dd { margin: 0; color: var(--muted); }
@media (min-width: 900px) {
  .bio__grid { grid-template-columns: 1fr 2fr; gap: 3rem; align-items: start; }
}

/* ---------- Musica ---------- */
.releases { display: grid; gap: clamp(3rem, 7vw, 5rem); }
.release { display: grid; gap: 1.5rem; }
.release__cover { aspect-ratio: 1; width: 100%; background: var(--sketch); object-fit: cover; }
.release__meta { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .25rem; }
.release__status { color: var(--black); font-weight: 700; }
.release__title { font-family: var(--font-display); font-size: clamp(2.25rem, 7vw, 3.75rem); line-height: .9; text-transform: uppercase; color: var(--black); }
.release__tracks-label { margin: 1.25rem 0 .25rem; font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.release__tracks { counter-reset: t; }
.release__tracks li { counter-increment: t; }
.release__tracks li::before { content: counter(t, decimal-leading-zero) "  "; color: var(--muted); font-variant-numeric: tabular-nums; }
.release__links { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.release__links .btn { color: var(--black); }
.release__links .btn:hover { background: var(--black); color: var(--white); }

@media (min-width: 700px) {
  .release { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 4vw, 4rem); align-items: start; }
}

/* ---------- Live ---------- */
.shows { border-top: 2px solid var(--white); }
.show {
  display: grid; gap: .25rem 1.5rem;
  grid-template-columns: 1fr auto;
  padding: 1.25rem 0;
  border-bottom: 1px solid #3a3a3a;
  align-items: center;
}
.show__date { font-family: var(--font-display); font-size: 1.6rem; line-height: 1; text-transform: uppercase; grid-column: 1 / -1; }
.show__place { font-size: 1.125rem; }
.show__city { font-weight: 700; }
.show__venue, .show__note { color: var(--muted-dark); }
.show__cta { justify-self: end; }
.show__soldout { font-family: var(--font-display); font-size: 1.25rem; text-transform: uppercase; text-decoration: line-through; }
@media (min-width: 800px) {
  .show { grid-template-columns: 14rem 1fr auto; padding: 1.5rem 0; }
  .show__date { grid-column: auto; font-size: 2rem; }
}
.shows-empty { font-size: 1.25rem; max-width: 36rem; }
.shows-empty a { text-decoration: underline; }

.shows-archive { margin-top: 3rem; }
.shows-archive summary {
  cursor: pointer; display: inline-block;
  font-family: var(--font-display); font-size: 1.5rem; text-transform: uppercase;
  list-style: none; padding: .25rem 0;
}
.shows-archive summary::-webkit-details-marker { display: none; }
.shows-archive summary::after { content: " +"; }
.shows-archive[open] summary::after { content: " −"; }
.shows--past { margin-top: 1rem; border-top-color: #3a3a3a; }
.shows--past .show { color: var(--muted-dark); }
.shows--past .show__date { font-size: 1.25rem; }

/* ---------- Video (click-to-load) ---------- */
.videos { display: grid; gap: 2rem; }
@media (min-width: 800px) { .videos { grid-template-columns: repeat(2, 1fr); } }
.video__frame { position: relative; aspect-ratio: 16 / 9; background: var(--black); overflow: hidden; }
.video__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video__play {
  position: absolute; inset: 0; width: 100%; height: 100%;
  padding: 0; border: 0; cursor: pointer; background: var(--black); color: var(--white);
}
.video__play img { width: 100%; height: 100%; object-fit: cover; opacity: .75; transition: opacity .2s; }
.video__play:hover img, .video__play:focus-visible img { opacity: 1; }
.video__play:focus-visible { outline-offset: -6px; }
.video__icon {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 4.5rem; height: 4.5rem; background: var(--white); color: var(--black);
  display: grid; place-items: center;
}
.video__icon::before { content: ""; border-style: solid; border-width: .8rem 0 .8rem 1.3rem; border-color: transparent transparent transparent currentColor; margin-left: .3rem; }
.video__title { font-family: var(--font-display); font-size: 1.6rem; text-transform: uppercase; margin-top: .75rem; color: var(--black); }
/* Video singolo a tutta larghezza (sezione nera subito dopo l'hero) */
.video-section { padding-top: 0; }
.hero { padding-bottom: clamp(2rem, 5vw, 3.5rem) !important; }
.videos--full { display: block; }
.videos--full .video__frame { width: 100%; max-height: 100svh; background: #1a1a1a; }
.videos--full .video__title { color: var(--white); padding: 0 var(--gutter); }
.video-section .small-print { color: var(--muted-dark); }
.video__missing { position: absolute; inset: 0; display: grid; place-items: center; color: var(--white); padding: 1rem; text-align: center; }

/* ---------- Merch: galleria di foto verticali ---------- */
.merch-gallery {
  display: grid; gap: 1rem;
  grid-auto-flow: column; grid-auto-columns: 80%;
  overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: .5rem;
}
.merch-gallery li { scroll-snap-align: start; }
.merch-gallery img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; background: var(--sketch); }
@media (min-width: 800px) {
  .merch-gallery { grid-auto-flow: row; grid-template-columns: repeat(3, 1fr); overflow: visible; gap: 1.5rem; }
}
.merch__store { margin-top: 2.5rem; }
.merch__store p { font-size: 1.25rem; max-width: 30rem; margin: 0 0 1.5rem; }

/* ---------- Newsletter ---------- */
.newsletter { display: grid; gap: 2rem; }
.newsletter p { font-size: 1.25rem; margin: 0; }
@media (min-width: 900px) { .newsletter { grid-template-columns: 1fr 1fr; align-items: end; gap: 5rem; } }
.news-form { display: grid; gap: 1rem; }
.news-form > label:first-child { font-weight: 700; }
.news-form__row { display: flex; flex-direction: column; gap: .75rem; }
@media (min-width: 500px) { .news-form__row { flex-direction: row; } }
.news-form input[type="email"] {
  flex: 1; min-height: 3rem; padding: .75rem 1rem;
  font: inherit; color: var(--black); background: var(--white);
  border: 2px solid var(--black); border-radius: 0;
}
.check { display: flex; gap: .75rem; align-items: flex-start; font-size: .95rem; cursor: pointer; }
.check input { width: 1.25rem; height: 1.25rem; margin: .15rem 0 0; accent-color: var(--black); flex: none; }
.news-form .text-link { justify-self: start; font-size: .95rem; }
.form-msg { min-height: 1.5em; margin: 0; font-weight: 700; font-size: 1rem !important; }

/* ---------- Contatti ---------- */
.contact__list { margin: 0; display: grid; gap: .5rem; }
.contact__list dt { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-dark); margin-top: 1.5rem; }
.contact__list dd { margin: 0; }
.contact__emails { display: contents; }
.big-link {
  font-family: var(--font-display); font-size: clamp(1.6rem, 6.5vw, 4rem); line-height: 1;
  text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .15em;
  overflow-wrap: anywhere;
}
.big-link:hover { text-decoration-thickness: 5px; }
.socials { display: flex; flex-wrap: wrap; gap: .75rem 1.75rem; align-items: center; }
.social-link { display: inline-flex; padding: .35rem; margin: -.35rem; color: var(--white); transition: opacity .15s; }
.social-link svg { width: 2rem; height: 2rem; display: block; }
.social-link:hover { opacity: .7; }
.social-link .ico-cut { stroke: var(--black); }
.social-link .ico-cut-fill { fill: var(--black); }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: var(--white); padding: 2rem 0 2.5rem; border-top: 1px solid #3a3a3a; font-size: .95rem; }
.site-footer__inner { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; }
.site-footer__inner p { margin: 0 auto 0 0; }
.site-footer a { text-underline-offset: .2em; }

.noscript { padding: 1rem var(--gutter); background: var(--black); color: var(--white); }

/* ---------- Pagina privacy ---------- */
.legal { padding: calc(var(--header-h) + 3rem) 0 5rem; }
.legal .container { max-width: 46rem; }
.legal h1 { font-family: var(--font-display); font-size: clamp(2.75rem, 10vw, 5rem); line-height: .9; text-transform: uppercase; color: var(--black); margin-bottom: 2rem; }
.legal h2 { font-family: var(--font-display); font-size: 1.9rem; text-transform: uppercase; color: var(--black); margin: 2.5rem 0 .75rem; }
.legal p, .legal li { max-width: 42rem; }
.legal ul { list-style: disc; padding-left: 1.25rem; }
.legal .updated { color: var(--muted); font-size: .9rem; }
.legal .placeholder-text { background: #ececec; padding: 0 .25em; outline: 1px dashed var(--muted); }
[data-lang-block][hidden] { display: none; }