/* ==========================================================================
   HOME — scena e sezioni (prototipo: style.css, righe 111-142, 164-295,
   309-378, 414-461 e media query della home). Generato da uno script di
   lavoro, poi è la fonte. Colori: solo token, trasparenze con color-mix();
   nelle maschere "black" indica solo l'opacità.
   ========================================================================== */

/* ---------- Indicatore di quota ---------- */
.sb-gauge {
  position: fixed; z-index: 40;
  left: 22px; top: 22vh; height: 56vh; width: 110px;
  pointer-events: none;
  font-size: .72rem; color: var(--sb-muted);
  font-variation-settings: "wdth" 100;
  opacity: 0; transition: opacity .4s;
}
.sb-gauge.is-visible { opacity: 1; }
.sb-gauge__track { position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: linear-gradient(var(--sb-line), color-mix(in srgb, var(--sb-surface) 90%, transparent) var(--sea, 30%), var(--sb-line)); }
.sb-gauge__marker {
  position: absolute; left: -4px; top: 0;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--sb-gold-lt);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--sb-gold-lt) 18%, transparent);
  transform: translateY(calc(var(--p, 0) * 56vh - 4px));
}
.sb-gauge__label { position: absolute; left: 14px; white-space: nowrap; }
.sb-gauge__label--top { top: -6px; }
.sb-gauge__label--sea { top: calc(var(--sea, 30%) - 8px); color: var(--sb-text); transition: opacity .2s; }
.sb-gauge.is-near-sea .sb-gauge__label--sea, .sb-gauge.is-near-top .sb-gauge__label--top, .sb-gauge.is-near-bottom .sb-gauge__label--bottom { opacity: 0; }
.sb-gauge__label--bottom { bottom: -6px; }
.sb-gauge__readout {
  position: absolute; left: 14px;
  top: calc(var(--p, 0) * 56vh - 9px);
  font-size: .82rem; font-weight: 600; color: var(--sb-gold-lt);
  font-variant-numeric: tabular-nums;
  background: color-mix(in srgb, var(--sb-space-0) 55%, transparent); padding: 0 6px; margin-left: -6px; border-radius: 3px;
}
.sb-gauge__tick { position: absolute; left: -3px; width: 7px; height: 1px; background: var(--sb-muted); }
.sb-gauge__tick.is-active { background: var(--sb-gold-lt); }

/* ---------- 1. Hero ---------- */
.sb-hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden; isolation: isolate;
  background: var(--sb-space-0);
}
.sb-hero__img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%;
  transform-origin: 70% 45%; will-change: transform;
  animation: sb-hero-drift 22s cubic-bezier(.4, 0, .6, 1) infinite alternate; }
/* Zoom e pan lenti verso l'Italia; disattivati con prefers-reduced-motion */
@keyframes sb-hero-drift {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to   { transform: scale(1.16) translate3d(-3%, -2%, 0); }
}
.sb-hero__shade { position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(90deg, color-mix(in srgb, var(--sb-space-0) 92%, transparent) 0%, color-mix(in srgb, var(--sb-space-0) 60%, transparent) 38%, color-mix(in srgb, var(--sb-space-0) 0%, transparent) 66%),
  linear-gradient(0deg, var(--sb-space-0) 0%, color-mix(in srgb, var(--sb-space-0) 0%, transparent) 26%),
  linear-gradient(180deg, color-mix(in srgb, var(--sb-space-0) 75%, transparent) 0%, color-mix(in srgb, var(--sb-space-0) 0%, transparent) 20%); }
.sb-hero__copy { padding-top: 120px; padding-bottom: 120px; }
.sb-hero__title {
  font-size: clamp(3.4rem, 9.2vw, 8.6rem);
  font-weight: 600;
  font-variation-settings: "wdth" 125;
  line-height: .9;
  letter-spacing: -.045em;
}
.sb-hero__sub {
  margin-top: .45em;
  font-size: clamp(1.5rem, 3.1vw, 2.75rem);
  font-weight: 300;
  font-variation-settings: "wdth" 100;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--sb-text-hero);
}
.sb-hero__text { margin-top: 28px; max-width: 46ch; color: var(--sb-muted); font-size: 1.08rem; }
.sb-hero__descend {
  position: absolute; left: 50%; bottom: 32px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: .85rem; color: var(--sb-muted); text-decoration: none;
}
.sb-hero__descend::after { content: ""; width: 1px; height: 44px; background: linear-gradient(var(--sb-gold-lt), transparent); }
.sb-hero__descend:hover { color: var(--sb-text); }


/* ---------- 3. Orizzonte / numeri ---------- */
.sb-horizon { position: relative; isolation: isolate; overflow: hidden; clip-path: inset(0);
  padding-block: clamp(88px, 10vw, 150px) clamp(120px, 14vw, 200px);
  background: linear-gradient(var(--sb-space-1) var(--horizon, 50%), var(--sb-sea-0) var(--horizon, 50%)); }
/* La linea dell'acqua della foto (--img-horizon della sua altezza) è agganciata alla linea oro; home.js imposta --horizon */
.sb-horizon__bg { --img-horizon: 43.197%;
  position: absolute; z-index: -2; left: 50%; top: var(--horizon, 50%);
  width: max(120%, 1400px); aspect-ratio: 2400 / 3234;
  transform: translate(-50%, calc(var(--img-horizon) * -1));
  background: url("../../img/scena/numeri-mare.webp") center / cover no-repeat;
  -webkit-mask-image: linear-gradient(transparent, black 6%);
  mask-image: linear-gradient(transparent, black 6%); }
/* Livello delle stelle: ritagliato all'orizzonte, scende più lento del mare (home.js imposta --hz-y).
   L'immagine ha una copia specchiata sopra il cielo, come margine per lo scorrimento */
.sb-horizon__stars { --stars-k: .25; position: absolute; inset: 0 0 auto 0; height: var(--img-horizon); overflow: hidden; }
.sb-horizon__stars::before { content: ""; position: absolute; inset: auto 0 0 0; height: 200%; will-change: transform;
  background: url("../../img/scena/numeri-stelle.webp") center bottom / 100% 100% no-repeat;
  transform: translate3d(0, calc(var(--hz-y, 0px) * var(--stars-k)), 0); }
/* Sugli schermi larghi la foto inizia sopra la sezione: si parte sempre dal colore con cui finisce il manifesto */
.sb-horizon::before { content: ""; position: absolute; inset: 0 0 auto 0; height: clamp(200px, 22vw, 420px); z-index: -1; pointer-events: none;
  background: linear-gradient(var(--sb-space-1), color-mix(in srgb, var(--sb-space-1) 55%, transparent) 30%, color-mix(in srgb, var(--sb-space-1) 0%, transparent)); }
.sb-horizon__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px 40px; margin-bottom: clamp(40px, 5vw, 72px); }
.sb-horizon__head h2 { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 560; font-variation-settings: "wdth" 125; letter-spacing: -.03em; line-height: 1.02; max-width: 16ch; text-wrap: balance; }
.sb-horizon__head p { font-size: clamp(1.15rem, 1.6vw, 1.45rem); color: var(--sb-text-hero); }

.sb-figure { display: flex; flex-direction: column; gap: 10px; }
.sb-figure__num {
  font-size: clamp(4.2rem, 13vw, 11.5rem);
  font-weight: 700;
  font-variation-settings: "wdth" 62;
  line-height: .82;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums lining-nums;
}
.sb-figure__label { max-width: 28ch; color: var(--sb-text-figure); font-size: 1.02rem; }
/* Leggibilità sui punti chiari della foto (atmosfera, riflessi) */
.sb-horizon .sb-figure { text-shadow: 0 1px 2px color-mix(in srgb, var(--sb-space-0) 55%, transparent), 0 0 18px color-mix(in srgb, var(--sb-space-0) 60%, transparent); }
.sb-figure--small .sb-figure__num { font-size: clamp(2.6rem, 5.4vw, 4.6rem); font-weight: 600; }
.sb-figure--small .sb-figure__label { color: var(--sb-muted); }

.sb-horizon__sky, .sb-horizon__sea { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; }
.sb-horizon__sea { flex-direction: row-reverse; align-items: flex-start; text-align: right; }
.sb-horizon__sea .sb-figure { align-items: flex-end; }

.sb-horizon__line {
  position: relative;
  display: grid; grid-template-columns: auto 1fr; align-items: center; gap: clamp(20px, 3vw, 48px);
  margin-block: clamp(40px, 5vw, 72px);
  padding-block: 12px;
}
.sb-horizon__line::before { content: ""; position: absolute; left: calc(var(--sb-gutter) * -1 - 50vw); right: calc(var(--sb-gutter) * -1 - 50vw); top: 50%; height: 1px; background: linear-gradient(90deg, transparent, var(--sb-gold-lt) 18%, var(--sb-gold-lt) 82%, transparent); z-index: -1; }
.sb-horizon__amp {
  font-size: clamp(7rem, 17vw, 15rem);
  font-weight: 300; font-variation-settings: "wdth" 125;
  line-height: .8; color: var(--sb-gold-lt);
  text-shadow: 0 0 60px color-mix(in srgb, var(--sb-gold-lt) 35%, transparent);
  padding-inline: 12px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--sb-space-1) 85%, transparent), color-mix(in srgb, var(--sb-space-1) 0%, transparent));
}
.sb-figure--joint { background: color-mix(in srgb, var(--sb-sea-panel) 72%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); padding: 22px 28px; border-left: 2px solid var(--sb-gold-lt); justify-self: start; }
.sb-figure--joint .sb-figure__num { font-size: clamp(3rem, 7vw, 6rem); color: var(--sb-gold-lt); }
.sb-figure--joint .sb-figure__label { max-width: 36ch; }
.sb-horizon__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 40px; margin-top: clamp(56px, 7vw, 96px); padding-top: 32px; border-top: 1px solid color-mix(in srgb, var(--sb-text) 22%, transparent); }
.sb-horizon__cta p { max-width: 52ch; color: var(--sb-text-figure); font-size: 1.08rem; }

/* ---------- Sott'acqua: Forum e Magazine ---------- */
/* Sovrapposizione di -1px: con gli scostamenti frazionari il bordo ritagliato lascerebbe vedere lo sfondo scuro */
/* clip-path ritaglia solo il disegno: overflow-x impedisce alla scena larga di allargare la pagina */
/* La foto di #numeri prosegue sott'acqua: home.js imposta --photo-top / --photo-bottom così la stessa immagine
   si allinea qui, e il gradiente si scurisce solo sotto di essa. Sta sullo sfondo di .sb-deep (non in un figlio)
   perché il bordo superiore ritagliato non mostri una giunzione */
.sb-deep { position: relative; isolation: isolate; clip-path: inset(0); overflow-x: clip; margin-top: -1px;
  background: url("../../img/scena/numeri-mare.webp") 50% var(--photo-top, -9999px) / max(120%, 1400px) auto no-repeat,
    linear-gradient(var(--sb-sea-0) var(--photo-bottom, 0px), var(--sb-abyss) 70%, var(--sb-abyss-0)); }
.sb-deep > section { background: none; }
/* Fa comparire le bolle sotto la sezione dell'orizzonte; disegnato sopra il livello fisso */
.sb-deep::after { content: ""; position: absolute; inset: 0 0 auto 0; height: 560px; z-index: -2; pointer-events: none;
  background: url("../../img/scena/numeri-mare.webp") 50% var(--photo-top, -9999px) / max(120%, 1400px) auto no-repeat, var(--sb-sea-0);
  -webkit-mask-image: linear-gradient(black 15%, transparent); mask-image: linear-gradient(black 15%, transparent); }
/* Elementi di scena a z-index -1: sopra bolle e sfumatura, sotto il contenuto */
.sb-diver { position: absolute; z-index: -1; right: max(2vw, calc(50% - 640px)); bottom: calc(var(--sb-section) * -.55); width: clamp(240px, 27vw, 420px); aspect-ratio: 775 / 1305; pointer-events: none;
  background: url("../../img/scena/palombaro.webp") center / contain no-repeat;
  -webkit-mask-image: linear-gradient(transparent, black 40%); mask-image: linear-gradient(transparent, black 40%);
  animation: sb-drift 9s ease-in-out infinite alternate; }
@keyframes sb-drift { from { transform: translate3d(0, 0, 0) rotate(0deg); } to { transform: translate3d(-6px, -14px, 0) rotate(-1.5deg); } }
.sb-seabed { position: absolute; inset: auto 0 0 0; z-index: -1; height: clamp(380px, 56vw, 1000px); pointer-events: none;
  background: url("../../img/scena/fondale.webp") 70% 100% / cover no-repeat;
  -webkit-mask-image: linear-gradient(transparent, black 50%); mask-image: linear-gradient(transparent, black 50%); }
/* Livello fisso ritagliato dal clip-path del contenitore: background-attachment: fixed non funziona su iOS */
/* Due livelli WebP trasparenti, non un blend mode: lo screen lasciava una riga scura sul bordo ritagliato.
   home.js imposta --deep-y (da 0 a --deep-range); ogni livello è più alto dello schermo quanto la corsa che fa */
.sb-deep__bubbles { --far: .15; --near: .45; position: fixed; inset: 0; z-index: -2; pointer-events: none; }
/* Larghezza fissa (non cover): un livello più alto non deve ingrandire le bolle */
.sb-deep__bubbles::before, .sb-deep__bubbles::after { content: ""; position: absolute; inset: 0 0 auto 0; will-change: transform;
  background-position: center top; background-size: max(100%, 1500px) auto; background-repeat: repeat-y; }
.sb-deep__bubbles::before { height: calc(100% + var(--deep-range, 0px) * var(--far));
  background-image: url("../../img/scena/neve-marina.webp");
  transform: translate3d(0, calc(var(--deep-y, 0px) * var(--far) * -1), 0); }
.sb-deep__bubbles::after { height: calc(100% + var(--deep-range, 0px) * var(--near));
  background-image: url("../../img/scena/bolle-scie.webp");
  transform: translate3d(0, calc(var(--deep-y, 0px) * var(--near) * -1), 0); }

/* ---------- 5. Forum ---------- */
/* Promo della prossima edizione: CSS in components/forum-next.css (anche sull'archivio) */

.sb-forum { padding-block: var(--sb-section); background: linear-gradient(var(--sb-sea-1), var(--sb-sea-2)); }
.sb-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); counter-reset: none; }
.sb-timeline li { position: relative; padding-top: 34px; border-top: 1px solid var(--sb-line); }
.sb-timeline li::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--sb-muted); }
.sb-timeline li.is-current { border-top-color: var(--sb-gold-lt); }
.sb-timeline li.is-current::before { background: var(--sb-gold-lt); box-shadow: 0 0 0 5px color-mix(in srgb, var(--sb-gold-lt) 20%, transparent); }
.sb-timeline__year { display: block; font-size: clamp(3.4rem, 6vw, 5.4rem); font-weight: 700; font-variation-settings: "wdth" 62; line-height: .85; color: color-mix(in srgb, var(--sb-text) 32%, transparent); }
.is-current .sb-timeline__year { color: var(--sb-gold-lt); }
.sb-timeline h3 { margin-top: 18px; font-size: 1.3rem; font-weight: 600; font-variation-settings: "wdth" 100; }
.sb-timeline__date { color: var(--sb-text-soft); font-size: .95rem; margin-top: 2px !important; }
.sb-timeline p:not(.sb-timeline__date) { margin-top: 14px; color: var(--sb-text-soft); }

/* ---------- 7. Magazine ---------- */
.sb-magazine { padding-block: var(--sb-section); background: linear-gradient(var(--sb-sea-3), var(--sb-abyss)); }
.sb-deep .sb-forum { position: relative; }
.sb-deep .sb-magazine { position: relative; padding-bottom: clamp(240px, 30vw, 520px); }
/* La copertina fissa l'altezza della riga; la colonna di testo si distribuisce per pareggiarla */
.sb-magazine__feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.sb-magazine__feature .sb-magazine__cover img { max-width: none; }
@media (min-width: 1200px) {
  .sb-magazine__feature { align-items: stretch; }
  /* height: 0 esclude il testo dal calcolo della riga, che resta alta quanto la copertina */
  .sb-magazine__feature .sb-magazine__copy { display: flex; flex-direction: column; justify-content: space-between; height: 0; min-height: 100%; }
  .sb-magazine__feature .sb-lead { margin-top: 20px; }
}
.sb-magazine__cover { display: block; perspective: 1200px; }
.sb-magazine__cover img { width: 100%; max-width: 460px; margin-inline: auto; box-shadow: 0 40px 80px -20px color-mix(in srgb, var(--sb-shadow) 75%, transparent), 0 0 120px color-mix(in srgb, var(--sb-cover-glow) 16%, transparent); transform: rotateY(8deg) rotateX(2deg); transition: transform .5s; border-radius: 2px; }
.sb-magazine__copy .sb-lead { margin-top: 28px; }
.sb-magazine__copy a:not(.sb-btn) { text-decoration-color: var(--sb-gold); text-underline-offset: 3px; }

.sb-latest__head { margin-top: 20px; margin-bottom: 4px; }
.sb-latest { display: grid; gap: 14px; }
.sb-latest__item { position: relative; padding-top: 18px; border-top: 1px solid var(--sb-gold-lt); }
.sb-latest__item time { font-size: .9rem; color: var(--sb-muted); }
.sb-latest__item h4 { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 8px; font-size: clamp(1rem, 1.15vw, 1.12rem); font-weight: 560; font-variation-settings: "wdth" 100; line-height: 1.25; letter-spacing: -.01em; text-wrap: balance; }
.sb-latest__item h4 a { text-decoration: none; }
.sb-latest__item h4::after { content: ""; flex: none; width: 22px; height: 12px; background: var(--sb-gold);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 12' fill='none' stroke='%23000' stroke-width='1.4'%3E%3Cpath d='M0 6h20M15 1l5 5-5 5'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 12' fill='none' stroke='%23000' stroke-width='1.4'%3E%3Cpath d='M0 6h20M15 1l5 5-5 5'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform .3s cubic-bezier(.22, 1, .36, 1); }
.sb-latest__item:hover h4::after, .sb-latest__item:focus-within h4::after { transform: translateX(6px); }
.sb-latest__item h4 a::after { content: ""; position: absolute; inset: 0; }
.sb-latest__item:hover h4 { color: var(--sb-gold-lt); }
.sb-latest__item p { margin-top: 14px; color: var(--sb-text-soft); max-width: 48ch; }
.sb-printref { display: grid; grid-template-columns: auto 1fr auto; gap: 20px clamp(24px, 3.5vw, 48px); align-items: center; margin-top: clamp(72px, 9vw, 120px); padding: clamp(24px, 3vw, 40px); border: 1px solid var(--sb-line); border-radius: 4px; background: color-mix(in srgb, var(--sb-space-0) 25%, transparent); }
.sb-printref__cover { width: clamp(84px, 9vw, 120px); border-radius: 2px; box-shadow: 0 18px 36px -12px color-mix(in srgb, var(--sb-shadow) 70%, transparent); }
.sb-printref__kicker { font-size: .92rem; font-weight: 600; color: var(--sb-gold-lt); }
.sb-printref h3 { margin-top: 4px; font-size: 1.15rem; font-weight: 600; font-variation-settings: "wdth" 100; }
.sb-printref h3 span { margin-left: 8px; font-weight: 400; color: var(--sb-muted); }
.sb-printref p:not(.sb-printref__kicker) { margin-top: 6px; color: var(--sb-muted); font-size: .95rem; max-width: 60ch; }
.sb-printref__links { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.sb-printref__links .sb-link { margin-top: 0; }


@media (max-width: 1360px) {
  .sb-gauge { display: none; }
}
@media (max-width: 860px) {
  .sb-magazine__feature { grid-template-columns: 1fr; }
  .sb-timeline { grid-template-columns: 1fr; gap: 48px; }
  .sb-horizon__sky, .sb-horizon__sea { flex-direction: column; align-items: flex-start; text-align: left; gap: 32px; }
  .sb-horizon__sea .sb-figure { align-items: flex-start; }
  .sb-horizon__line { grid-template-columns: 1fr; gap: 0; }
  .sb-horizon__amp { justify-self: start; }
  .sb-magazine__cover img { max-width: 300px; margin-inline: 0; transform: none; }
  .sb-magazine__feature .sb-magazine__cover img { max-width: 300px; }
  .sb-hero__shade { background: linear-gradient(0deg, color-mix(in srgb, var(--sb-space-0) 96%, transparent) 0%, color-mix(in srgb, var(--sb-space-0) 70%, transparent) 55%, color-mix(in srgb, var(--sb-space-0) 25%, transparent) 100%); }
  .sb-hero { align-items: flex-end; }
  .sb-printref { grid-template-columns: auto 1fr; align-items: start; }
  .sb-printref__links { grid-column: 1 / -1; }
  .sb-printref__links { flex-direction: row; flex-wrap: wrap; gap: 12px 28px; }
}
@media (max-width: 560px) {
  .sb-hero__descend { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .sb-magazine__cover img { transform: none; }
}

/* ---------- Ritocchi per WordPress ---------- */
/* Titoli senza <br>: a capo bilanciato e larghezza in ch */
.sb-hero__title { text-wrap: balance; max-width: 11ch; }
.sb-forum .sb-h2, .sb-magazine .sb-h2 { text-wrap: balance; max-width: 12ch; }
/* Testo del Magazine da editor */
.sb-magazine__copy .sb-lead + p, .sb-magazine__copy .sb-h2 + p { margin-top: 1.25em; }
.sb-magazine__copy p:not(.sb-lead) { color: var(--sb-muted); max-width: 52ch; }
/* Intestazione "Gli ultimi articoli": .sb-news__head è in components/news.css */
/* Magazine senza copertina: una colonna */
.sb-magazine__feature--no-cover { grid-template-columns: 1fr; }
.sb-magazine__feature--no-cover .sb-magazine__copy { height: auto !important; min-height: 0 !important; }

/* Manifesto e citazione: CSS nel blocco Introduzione (blocks/introduzione/style.css), stesso markup */