/* ==========================================================
   83031 ENT. — palette dalla brand identity
   ========================================================== */
/* ==========================================================
   Font (self-hosted, licenza SIL OFL): Archivo variabile + JetBrains Mono
   ========================================================== */
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 300 900; font-stretch: 62% 125%; font-display: swap;
  src: url("../assets/fonts/archivo-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 300 900; font-stretch: 62% 125%; font-display: swap;
  src: url("../assets/fonts/archivo-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 100 800; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 100 800; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --ink: #0C0B0C;      /* fondo */
  --coal: #292926;
  --graphite: #4A4F4E;
  --dim: #7D8281;      /* testo secondario: contrasto 5:1 su --ink */
  --silver: #C4C6CD;
  --white: #FEFEFD;

  --font: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --gutter: clamp(16px, 3.2vw, 48px);
  --ease: cubic-bezier(.77, 0, .175, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font);
  font-variation-settings: "wdth" 100;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-loading { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
ol, ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, figure { margin: 0; }
::selection { background: var(--white); color: var(--ink); }

.mono { font-family: var(--mono); font-size: 0.72rem; letter-spacing: .08em; text-transform: uppercase; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.section-tag { display: flex; align-items: center; gap: .8em; color: var(--silver); }
.section-tag span { color: var(--ink); background: var(--silver); padding: .15em .45em; }

.link { position: relative; }
.link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform .5s var(--ease-out);
}
.link:hover::after { transform: scaleX(1); transform-origin: left; }

/* split helpers */
.line-mask { overflow: hidden; display: block; padding-bottom: .06em; margin-bottom: -.06em; }
.char-mask { overflow: hidden; display: inline-block; vertical-align: top; }
.split-word { display: inline-block; white-space: nowrap; }
.char { display: inline-block; }

/* ==========================================================
   Grana, cursore, intro
   ========================================================== */
.grain {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 20% { transform: translate(-6%, 4%); } 40% { transform: translate(5%, -7%); }
  60% { transform: translate(-3%, 8%); } 80% { transform: translate(7%, 2%); } 100% { transform: translate(0, 0); }
}

.cursor { position: fixed; inset: 0; z-index: 100; pointer-events: none; mix-blend-mode: difference; }
.cursor__dot, .cursor__ring { position: absolute; top: 0; left: 0; border-radius: 50%; will-change: transform; }
.cursor__dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; background: var(--white); }
.cursor__ring {
  width: 40px; height: 40px; margin: -20px 0 0 -20px; border: 1px solid var(--white);
  display: grid; place-items: center;
  transition: width .45s var(--ease-out), height .45s var(--ease-out), margin .45s var(--ease-out), background-color .3s;
}
.cursor__label { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); opacity: 0; transition: opacity .2s; }
.cursor.is-label .cursor__ring { width: 86px; height: 86px; margin: -43px 0 0 -43px; background: var(--white); }
.cursor.is-label .cursor__label { opacity: 1; }
.cursor.is-label .cursor__dot { opacity: 0; }
.cursor.is-hidden { opacity: 0; }
@media (hover: none), (pointer: coarse) { .cursor { display: none !important; } }
@media (hover: hover) and (pointer: fine) { html.has-cursor, html.has-cursor * { cursor: none !important; } }

.intro { position: fixed; inset: 0; z-index: 95; background: var(--ink); display: grid; place-items: center; pointer-events: none; }
.intro { grid-template-rows: auto auto; align-content: center; gap: 28px; }
.intro__logo { position: relative; width: min(58vw, 520px); }
.intro__logo img { width: 100%; height: auto; }
.intro__dither { position: absolute; inset: -2px; width: calc(100% + 4px); height: calc(100% + 4px); }
.intro__line { color: var(--silver); text-align: center; min-height: 1.2em; }

/* ==========================================================
   Header
   ========================================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: clamp(16px, 2.5vw, 40px);
  padding: 18px var(--gutter);
  mix-blend-mode: difference;
}
.header__logo { display: block; margin-right: auto; }
.header__logo img { height: 30px; width: auto; }
.header__nav { display: flex; gap: clamp(14px, 2vw, 30px); }
.header__nav a { font-size: 13px; font-weight: 500; display: flex; gap: 6px; align-items: baseline; opacity: .85; transition: opacity .3s; }
.header__nav a:hover, .header__nav a.is-active { opacity: 1; }
.header__nav i { font-style: normal; font-size: 9px; color: var(--silver); opacity: .7; }
.header__nav a.is-active i { opacity: 1; }
.header__burger { display: none; width: 34px; height: 34px; position: relative; }
.header__burger span { position: absolute; left: 6px; right: 6px; height: 1.5px; background: var(--white); transition: transform .4s var(--ease); }
.header__burger span:first-child { top: 13px; } .header__burger span:last-child { top: 20px; }
.nav-open .header__burger span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-open .header__burger span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ==========================================================
   Bottoni
   ========================================================== */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid currentColor; border-radius: 999px; overflow: hidden; isolation: isolate;
  font-weight: 600; white-space: nowrap;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--white);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0; transform: translateY(101%);
  transition: transform .6s var(--ease), border-radius .6s var(--ease);
}
.btn:hover::before { transform: translateY(0); border-radius: 0; }
.btn span { display: block; transition: color .4s; }
.btn:hover span { color: var(--ink); }
.btn--small { font-size: 12px; padding: 9px 18px; }
.btn--big { font-size: clamp(16px, 1.4vw, 20px); padding: 1.3em 2.4em; margin-top: clamp(40px, 6vw, 80px); }

/* ==========================================================
   Hero
   ========================================================== */
.hero { position: relative; height: 320vh; }
.hero__sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero__fallback { display: none; max-width: 100%; position: absolute; left: 50%; top: 50%; width: min(86vw, 1100px); height: auto; transform: translate(-50%, -50%); }
.no-webgl .hero__fallback { display: block; }

.hero__top {
  position: absolute; top: 96px; left: var(--gutter); right: var(--gutter);
  display: flex; justify-content: space-between; color: var(--silver);
}
.hero__bottom {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(24px, 4vw, 48px);
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px;
}
.hero__claim {
  flex: 1 1 auto; min-width: 0;
  font-size: clamp(22px, 2.6vw, 40px); font-weight: 700; line-height: 1.05; letter-spacing: -.01em;
  font-variation-settings: "wdth" 115;
}
.hero__scroll { display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--silver); }
.hero__scroll-line { width: 1px; height: 56px; background: linear-gradient(var(--silver) 50%, transparent 50%); background-size: 1px 200%; animation: scrollLine 1.8s var(--ease) infinite; }
@keyframes scrollLine { from { background-position: 0 100%; } to { background-position: 0 -100%; } }
.hero__meta {
  position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%) rotate(90deg); transform-origin: right center;
  display: flex; gap: 24px; color: var(--dim);
}
.hero__meta b { color: var(--silver); font-weight: 500; }

/* ==========================================================
   Manifesto + marquee
   ========================================================== */
.manifesto { padding: clamp(100px, 16vw, 220px) var(--gutter) clamp(80px, 12vw, 160px); }
.manifesto .section-tag { margin-bottom: clamp(28px, 4vw, 56px); }
.manifesto__text {
  font-size: clamp(30px, 5.4vw, 92px); font-weight: 700; line-height: 1.02; letter-spacing: -.025em;
  font-variation-settings: "wdth" 105; max-width: 18ch; max-width: 1500px;
}
.manifesto__text em { font-style: normal; font-weight: 300; font-variation-settings: "wdth" 125; }
.manifesto__text .word { display: inline-block; }

.marquee {
  border-top: 1px solid var(--coal); border-bottom: 1px solid var(--coal);
  overflow: hidden; padding: clamp(14px, 1.6vw, 24px) 0; white-space: nowrap;
}
.marquee__track { display: inline-flex; align-items: center; gap: clamp(20px, 2.4vw, 40px); padding-right: clamp(20px, 2.4vw, 40px); will-change: transform; }
.marquee__track span { font-size: clamp(36px, 6vw, 100px); font-weight: 900; text-transform: uppercase; font-variation-settings: "wdth" 125; letter-spacing: -.02em; line-height: 1; }
.marquee__track span:nth-of-type(even) { color: transparent; -webkit-text-stroke: 1px var(--graphite); }
.marquee__track b { color: var(--dim); font-size: clamp(16px, 2vw, 32px); font-weight: 400; }

/* ==========================================================
   Lato A / Lato B — tracklist
   ========================================================== */
.side { padding: clamp(100px, 13vw, 200px) var(--gutter) clamp(40px, 6vw, 80px); }
.side__head {
  display: grid; grid-template-columns: 1fr minmax(0, 420px); align-items: end; gap: 24px 48px;
  margin-bottom: clamp(32px, 5vw, 72px);
}
.side__head .section-tag { grid-column: 1 / -1; }
.side__title {
  grid-column: 1 / -1; white-space: nowrap;
  font-size: clamp(56px, 13.5vw, 240px); font-weight: 900; line-height: .82; letter-spacing: -.045em;
  text-transform: uppercase; font-variation-settings: "wdth" 125; margin-left: -.04em;
}
.side--b .side__title { color: transparent; -webkit-text-stroke: 1.5px var(--white); }
.side__intro { grid-column: 2; color: var(--silver); font-size: clamp(15px, 1.2vw, 18px); max-width: 38ch; }
@media (max-width: 960px) { .side__intro { grid-column: 1; } }

.tracklist { border-top: 1px solid var(--coal); }
.track { border-bottom: 1px solid var(--coal); position: relative; }
.track::before {
  content: ""; position: absolute; inset: 0; background: var(--coal); transform: scaleY(0); transform-origin: bottom;
  transition: transform .55s var(--ease); z-index: -1;
}
.track:hover::before, .track.is-open::before { transform: scaleY(1); }
.track:hover::before { transform-origin: top; }
.track__row {
  width: 100%; display: grid; grid-template-columns: 60px 1fr auto 40px; align-items: center; gap: 16px;
  padding: clamp(18px, 2.2vw, 32px) clamp(4px, 1vw, 16px); text-align: left;
}
.track__n { color: var(--dim); transition: color .3s; }
.track__name {
  font-size: clamp(26px, 4.2vw, 68px); font-weight: 800; line-height: 1; letter-spacing: -.025em;
  font-variation-settings: "wdth" 110; transition: transform .6s var(--ease-out), font-variation-settings .6s var(--ease-out);
}
.track:hover .track__name { transform: translateX(clamp(8px, 1.5vw, 24px)); font-variation-settings: "wdth" 125; }
.track:hover .track__n, .track.is-open .track__n { color: var(--white); }
.track__tags { color: var(--silver); text-align: right; }
.track__icon { position: relative; width: 22px; height: 22px; justify-self: end; }
.track__icon::before, .track__icon::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: var(--white); transition: transform .5s var(--ease); }
.track__icon::after { transform: rotate(90deg); }
.track.is-open .track__icon::after { transform: rotate(0); }
.track__body { height: 0; overflow: hidden; }
.track__body-inner {
  display: grid; grid-template-columns: 60px minmax(0, 56ch) 1fr; gap: 16px 16px;
  padding: 0 clamp(4px, 1vw, 16px) clamp(24px, 3vw, 40px);
}
.track__body-inner p { grid-column: 2; color: var(--silver); font-size: clamp(15px, 1.25vw, 19px); }
.chips { grid-column: 2 / 4; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { border: 1px solid var(--graphite); border-radius: 999px; padding: .5em 1em; color: var(--white); font-size: 10px; }

/* ==========================================================
   IA — creatività aumentata
   ========================================================== */
.ai { padding: clamp(110px, 13vw, 200px) var(--gutter) clamp(60px, 8vw, 120px); border-top: 1px solid var(--coal); }
.ai__head { display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px 64px; align-items: end; margin: clamp(28px, 4vw, 56px) 0 clamp(48px, 7vw, 96px); }
.ai__title { font-size: clamp(44px, 9vw, 160px); font-weight: 900; line-height: .86; letter-spacing: -.045em; font-variation-settings: "wdth" 120; }
/* secondo verso riempito da un retino di punti (come il dithering della hero) */
.ai__title .line-mask:nth-child(2) .line {
  color: transparent;
  background: radial-gradient(circle, var(--white) 0 42%, transparent 46%) 0 0 / 7px 7px;
  -webkit-background-clip: text; background-clip: text;
  animation: aiDots 6s linear infinite paused;
}
.ai.is-live .ai__title .line-mask:nth-child(2) .line { animation-play-state: running; }
@keyframes aiDots { to { background-position: 70px 35px; } }
.ai__lead { color: var(--silver); font-size: clamp(16px, 1.35vw, 21px); max-width: 46ch; }
.ai__lead b { color: var(--white); font-weight: 600; }
.ai__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 clamp(16px, 2.4vw, 36px); }
.ai__card { position: relative; padding: 24px 0 8px; border-top: 1px solid var(--coal); }
.ai__card::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: var(--white); transform: scaleX(0); transform-origin: left; transition: transform .8s var(--ease); }
.ai__card:hover::before { transform: scaleX(1); }
.ai__n { color: var(--dim); transition: color .4s; }
.ai__card:hover .ai__n { color: var(--white); }
.ai__card h3 { font-size: clamp(22px, 2vw, 30px); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; font-variation-settings: "wdth" 110; margin: 18px 0 12px; min-height: 2.1em; }
.ai__card p { color: var(--silver); font-size: 15px; }
.ai__note { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: clamp(40px, 6vw, 72px); color: var(--silver); text-transform: none; letter-spacing: .02em; font-size: 13px; }
.ai__note span { color: var(--ink); background: var(--silver); padding: .2em .55em; text-transform: uppercase; letter-spacing: .08em; font-size: 11px; }
@media (max-width: 960px) {
  .ai__head { grid-template-columns: 1fr; }
  .ai__grid { grid-template-columns: 1fr 1fr; gap: 24px 20px; }
}
@media (max-width: 560px) { .ai__grid { grid-template-columns: 1fr; } .ai__card h3 { min-height: 0; } }

/* ==========================================================
   Processo
   ========================================================== */
.process { padding: clamp(120px, 14vw, 220px) var(--gutter) clamp(80px, 10vw, 160px); display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.process__head { position: sticky; top: 120px; align-self: start; display: grid; gap: clamp(24px, 3vw, 40px); }
.process__title { font-size: clamp(48px, 7.5vw, 132px); font-weight: 900; line-height: .9; letter-spacing: -.04em; font-variation-settings: "wdth" 115; }
.process__rail { position: relative; padding-left: 72px; }
.process__wave { position: absolute; left: 0; top: 0; width: 40px; height: 100%; overflow: visible; }
.process__wave path { fill: none; stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.process__wave-bg { stroke: var(--coal); }
.process__wave-fg { stroke: var(--white); }
.process__wave--fg { clip-path: inset(0 0 100% 0); }
.step { opacity: .7; transition: opacity .6s var(--ease-out); }
.step.is-active { opacity: 1; }
.steps { display: grid; gap: clamp(64px, 9vw, 140px); padding: 8px 0; }
.step { display: grid; gap: 10px; max-width: 36ch; }
.step__n { color: var(--silver); }
.step h3 { font-size: clamp(32px, 3.6vw, 60px); font-weight: 800; line-height: 1; letter-spacing: -.03em; font-variation-settings: "wdth" 120; }
.step p { color: var(--silver); }

/* ==========================================================
   Gallery
   ========================================================== */
.gallery {
  position: relative; display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(0, auto);
  gap: clamp(12px, 2vw, 28px); padding: clamp(40px, 8vw, 120px) var(--gutter) clamp(100px, 14vw, 200px);
}
.frame { overflow: hidden; position: relative; }
.frame .ph {
  width: 100%; height: 100%; display: grid; place-items: center; color: var(--dim);
  background:
    repeating-linear-gradient(135deg, transparent 0 18px, rgba(254,254,253,.03) 18px 19px),
    linear-gradient(160deg, var(--coal), var(--ink));
  border: 1px solid var(--coal); transform: scale(1.15);
}
.frame--wide { grid-column: 1 / 9; aspect-ratio: 3 / 2; }
.frame--tall { grid-column: 9 / 13; aspect-ratio: 2 / 3; margin-top: 16vw; }
/* foto vere: in bianco e nero, il colore compare al passaggio del mouse (o al centro dello schermo su telefono) */
.frame picture { display: block; width: 100%; height: 100%; }
.frame img.ph { display: block; width: 100%; height: 100%; object-fit: cover; background: var(--coal); border: 0;
  filter: grayscale(1) contrast(1.05); transition: filter 1s var(--ease-out); }
.frame:hover img.ph, .frame.is-color img.ph { filter: none; }
.gallery__caption { grid-column: 1 / 13; color: var(--dim); margin-top: 24px; }

/* ==========================================================
   Contatti + footer
   ========================================================== */
.contact { padding: clamp(80px, 10vw, 160px) var(--gutter); border-top: 1px solid var(--coal); }
.contact__title { margin: clamp(24px, 3vw, 40px) 0 clamp(40px, 6vw, 80px); font-size: clamp(40px, 6.4vw, 112px); font-weight: 800; line-height: .95; letter-spacing: -.035em; font-variation-settings: "wdth" 110; }
.contact__mail {
  display: inline-block; font-size: clamp(28px, 5.6vw, 96px); font-weight: 300; letter-spacing: -.03em;
  font-variation-settings: "wdth" 125; line-height: 1; border-bottom: 1px solid var(--graphite); padding-bottom: .1em;
  overflow-wrap: anywhere;
}
.contact__mail .char { display: inline-block; }
.contact__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-top: clamp(48px, 7vw, 96px); }
.contact__grid .label { color: var(--dim); margin-bottom: 10px; }
.contact__grid p:not(.label) { color: var(--silver); font-size: clamp(15px, 1.2vw, 18px); }

.footer { padding: 0 var(--gutter) 24px; overflow: hidden; }
.footer__logo { padding: clamp(40px, 6vw, 80px) 0 clamp(24px, 3vw, 40px); }
.footer__logo img { width: 100%; height: auto; }
.footer__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; color: var(--dim); border-top: 1px solid var(--coal); padding-top: 20px; }
.footer__bar a { color: var(--silver); }

/* ==========================================================
   SEO: titoli dei servizi, sede, zona servita, FAQ
   ========================================================== */
.track__h { margin: 0; font: inherit; }
.hero__place { color: var(--silver); margin-top: 14px; }
.hero__bottom > div:first-child { flex: 1 1 auto; min-width: 0; }
.contact__area { color: var(--silver); font-size: clamp(16px, 1.3vw, 20px); max-width: 52ch; margin: calc(-1 * clamp(16px, 3vw, 40px)) 0 clamp(36px, 5vw, 64px); }

.faq { padding: clamp(100px, 12vw, 180px) var(--gutter) clamp(60px, 8vw, 120px); border-top: 1px solid var(--coal); }
.faq__title { font-size: clamp(44px, 6.4vw, 112px); font-weight: 900; line-height: .9; letter-spacing: -.04em; font-variation-settings: "wdth" 115; margin: clamp(24px, 3vw, 40px) 0 clamp(40px, 6vw, 72px); }
.faq__list { border-top: 1px solid var(--coal); }
.faq__item { border-bottom: 1px solid var(--coal); }
.faq__item summary {
  list-style: none; cursor: pointer; display: grid; grid-template-columns: 1fr 24px; align-items: center; gap: 20px;
  padding: clamp(18px, 2vw, 28px) clamp(4px, 1vw, 16px);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item h3 { margin: 0; font-size: clamp(20px, 2.2vw, 32px); font-weight: 700; letter-spacing: -.015em; font-variation-settings: "wdth" 108; transition: transform .6s var(--ease-out); }
.faq__item summary:hover h3 { transform: translateX(10px); }
.faq__icon { position: relative; width: 20px; height: 20px; }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; background: var(--white); transition: transform .5s var(--ease); }
.faq__icon::after { transform: rotate(90deg); }
.faq__item[open] .faq__icon::after { transform: rotate(0); }
.faq__item p { color: var(--silver); font-size: clamp(15px, 1.25vw, 19px); max-width: 64ch; padding: 0 clamp(4px, 1vw, 16px) clamp(22px, 2.6vw, 34px); }

/* comparsa leggera degli elementi (classe aggiunta da un osservatore) */
.rv { opacity: 0; transform: translateY(30px); transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out); }
.rv.rv-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 960px) {
  .header__nav {
    position: fixed; inset: 0; z-index: -1; background: var(--ink); flex-direction: column; justify-content: center;
    padding: var(--gutter); gap: 8px; clip-path: inset(0 0 100% 0); transition: clip-path .7s var(--ease);
  }
  .header__nav { visibility: hidden; transition: clip-path .7s var(--ease), visibility 0s .7s; }
  .nav-open .header, .nav-closing .header { mix-blend-mode: normal; }
  .nav-open .header__nav { clip-path: inset(0 0 0 0); visibility: visible; transition-delay: 0s; }
  .header__nav a { font-size: clamp(36px, 10vw, 64px); font-weight: 800; font-variation-settings: "wdth" 115; opacity: 1; }
  .header__nav i { font-size: 11px; }
  .header__burger { display: block; }
  .side__head { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process__head { position: static; }
  .contact__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { height: 240vh; }
  .hero__top { top: 80px; flex-direction: column; gap: 4px; }
  .hero__bottom { flex-direction: column; align-items: flex-start; }
  .hero__scroll { display: none; }
  .hero__meta { display: none; }
  .btn--small { display: none; }
  .track__row { grid-template-columns: 34px 1fr 24px; }
  .track__tags { display: none; }
  .track__body-inner { grid-template-columns: 34px 1fr; }
  .chips { grid-column: 2; }
  .process__rail { padding-left: 48px; }
  .gallery { grid-template-columns: repeat(6, 1fr); }
  .frame--wide { grid-column: 1 / 7; }
  .frame--tall { grid-column: 2 / 7; margin-top: 0; }
  .gallery__caption { grid-column: 1 / 7; }
  .footer__bar { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .grain, .hero__scroll-line, .ai__title .line { animation: none !important; }
  .hero { height: 100vh; }
}