/* =========================================================
   APPLE — anello degli anni e timeline orizzontale
   ========================================================= */
.apple-hero { --hero-glow: rgb(255 255 255 / 7%); }

:root {
  --era-jobs: var(--c-amber);
  --era-cook: var(--c-blue);
  --era-ternus: #f7f8fb;
  --era-other: rgb(205 222 255 / 26%);
}

/* ---------- anello dei 50 anni ---------- */
.year-ring { position: relative; justify-self: center; width: min(100%, 460px); margin: 0; }
.year-ring svg { display: block; width: 100%; height: auto; overflow: visible; }
.year-ring .tick { stroke-width: 3.2; stroke-linecap: round; }
.year-ring .tick[data-g="jobs"] { stroke: var(--era-jobs); }
.year-ring .tick[data-g="cook"] { stroke: var(--era-cook); }
.year-ring .tick[data-g="ternus"] { stroke: var(--era-ternus); }
.year-ring .tick[data-g="other"] { stroke: var(--era-other); }
.js .year-ring .tick {
  opacity: 0;
  transform: scale(.82);
  transform-origin: 200px 200px;
  transition: opacity .5s var(--ease-out), transform .9s var(--ease-out);
  transition-delay: calc(var(--i) * 28ms + .6s);
}
.js .is-ready .year-ring .tick { opacity: 1; transform: none; }
.year-ring .tick:hover { stroke-width: 5; }
.year-ring .yr-label { fill: var(--ink-mute); font-size: 11px; font-family: Montserrat, system-ui, sans-serif; }

.ring-center {
  position: absolute;
  inset: 0 0 auto;
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  text-align: center;
  pointer-events: none;
}
.ring-center b { font-size: clamp(4rem, 9vw, 6.5rem); font-weight: 150; letter-spacing: -.06em; line-height: .9; }
.ring-center span { color: var(--ink-soft); font-size: .8rem; letter-spacing: .3em; text-transform: uppercase; }

.ring-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem 1.2rem;
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: .74rem;
}
.ring-legend > span { display: inline-flex; align-items: center; gap: .45rem; }
.k { display: inline-block; width: 12px; height: 3px; border-radius: 2px; }
.k-jobs { background: var(--era-jobs); }
.k-cook { background: var(--era-cook); }
.k-ternus { background: var(--era-ternus); }
.k-other { background: var(--era-other); }

/* ---------- timeline ---------- */
.tl { position: relative; height: var(--tl-h, 500vh); border-top: 1px solid var(--line); }
.tl-sticky {
  position: sticky;
  top: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: minmax(0, 1fr);
  height: 100svh;
  overflow: hidden;
  padding: calc(var(--nav-h) + 1.4rem) 0 2.2rem;
  background:
    radial-gradient(circle at 80% 70%, rgb(58 134 230 / 9%), transparent 40%),
    radial-gradient(circle at 15% 30%, rgb(207 126 44 / 8%), transparent 38%),
    var(--void);
}
.tl-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .9fr);
  gap: 1.5rem 3rem;
  align-items: end;
  width: 100%;
  max-width: calc(var(--maxw) + 2 * var(--pad));
  margin-inline: auto;
  padding-inline: var(--pad);
}
.tl-top h2 { font-size: clamp(2rem, 4vw, 3.4rem); }

.ceo-label { margin-bottom: .7rem; color: var(--ink-soft); font-size: .82rem; }
.ceo-label b { color: var(--ink); font-weight: 500; }
.ceo-bar { display: flex; gap: 2px; height: 10px; }
.ceo-seg {
  flex: var(--w) 1 0;
  min-width: 5px;
  border-radius: 3px;
  background: rgb(205 222 255 / 14%);
  transition: background .45s, transform .45s var(--ease-out);
  transform-origin: bottom;
}
.ceo-seg.on { transform: scaleY(1.5); }
.ceo-seg.on[data-era="jobs"] { background: var(--era-jobs); }
.ceo-seg.on[data-era="cook"] { background: var(--era-cook); }
.ceo-seg.on[data-era="ternus"] { background: var(--era-ternus); }
.ceo-seg.on:not([data-era="jobs"]):not([data-era="cook"]):not([data-era="ternus"]) { background: rgb(205 222 255 / 55%); }
.ceo-years { position: relative; height: 1.2em; margin-top: .45rem; color: var(--ink-mute); font-size: .64rem; font-variant-numeric: tabular-nums; }
.ceo-years span { position: absolute; top: 0; transform: translateX(-50%); }
.ceo-years span:first-child { transform: none; }
.ceo-years span:last-child { transform: translateX(-100%); }

.tl-viewport { display: flex; align-items: center; min-width: 0; overflow: visible; }
.tl-track {
  display: flex;
  gap: clamp(1.5rem, 3vw, 3rem);
  width: max-content;
  margin: 0;
  padding: 0 max(var(--pad), calc((100vw - var(--maxw)) / 2));
  list-style: none;
  transform: translate3d(var(--tx, 0px), 0, 0);
  will-change: transform;
}
.tl-card {
  --ec: var(--era-other);
  position: relative;
  flex: none;
  width: clamp(260px, 25vw, 330px);
  padding-top: 2rem;
  border-top: 1px solid var(--line-strong);
  opacity: .38;
  transition: opacity .5s, transform .6s var(--ease-out);
  transform: translateY(14px);
}
.tl-card[data-era="jobs"] { --ec: var(--era-jobs); }
.tl-card[data-era="cook"] { --ec: var(--era-cook); }
.tl-card[data-era="ternus"] { --ec: var(--era-ternus); }
.tl-card::before {
  content: "";
  position: absolute;
  top: -6px; left: 0;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--void);
  box-shadow: inset 0 0 0 2px var(--ec);
  transition: background .4s, box-shadow .4s;
}
.tl-card.is-active { opacity: 1; transform: none; }
.tl-card.is-active::before { background: var(--ec); box-shadow: 0 0 0 5px rgb(255 255 255 / 6%), 0 0 22px var(--ec); }
.tl-year {
  display: block;
  color: transparent;
  font-size: clamp(3.4rem, 6vw, 5.4rem);
  font-weight: 150;
  letter-spacing: -.05em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  -webkit-text-stroke: 1px rgb(205 222 255 / 55%);
  transition: color .5s;
}
.tl-card.is-active .tl-year { color: var(--ink); -webkit-text-stroke-color: transparent; }
.tl-card h3 { margin-top: 1rem; font-size: 1.35rem; font-weight: 400; letter-spacing: -.02em; }
.tl-card p { margin-top: .6rem; color: var(--ink-soft); font-size: .92rem; font-weight: 300; line-height: 1.65; }

.tl-rail {
  width: calc(100% - 2 * var(--pad));
  max-width: var(--maxw);
  height: 1px;
  margin: 0 auto;
  background: var(--line);
}
.tl-rail span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--era-jobs), var(--era-cook));
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}

/* ---------- citazione ---------- */
.quote-section { text-align: center; }
.big-quote { font-size: clamp(3rem, 9vw, 7.5rem); font-weight: 180; letter-spacing: -.055em; line-height: .98; }
.quote-section cite { text-align: center; }
.quote-context { max-width: 56ch; margin: 2rem auto 0; color: var(--ink-soft); font-weight: 300; }

/* ---------- versione verticale (mobile o meno movimento) ---------- */
.tl.is-static { height: auto; }
.tl.is-static .tl-sticky { position: relative; height: auto; overflow: visible; padding-top: 4rem; }
.tl.is-static .tl-top {
  position: sticky;
  top: var(--nav-h);
  z-index: 3;
  padding-block: .8rem 1rem;
  background: rgb(2 3 7 / 88%);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.tl.is-static .tl-track { flex-direction: column; width: auto; padding-block: 2.5rem 1rem; transform: none; gap: 2.4rem; }
.tl.is-static .tl-card { width: auto; max-width: 560px; }
.tl.is-static .tl-rail { display: none; }

@media (max-width: 900px) {
  .tl-top { grid-template-columns: 1fr; }
  .tl-top h2 { font-size: clamp(1.8rem, 7vw, 2.6rem); }
}
@media (max-width: 600px) {
  .year-ring { width: min(92%, 360px); }
  .tl.is-static .tl-top h2 { font-size: 1.5rem; }
  .tl.is-static .tl-top .eyebrow { display: none; }
}