/* =========================================================================
   Eleonora Delnevo — Manga British
   Sistema visivo: pagina a fumetti (vignette, retini, linee cinetiche)
   con palette editoriale britannica.
   ========================================================================= */

/* ---------- 0. CARATTERI ----------
   Ospitati sul sito e non da Google Fonts: aprire una pagina non manda
   l'indirizzo IP del visitatore a nessuno (vedi privacy.html, punto 2).
   Inter e Playfair Display sono font variabili: un file copre tutti i pesi.
   Solo il sottoinsieme latino, che contiene già le lettere accentate. */
@font-face{
  font-family:"Inter"; font-style:normal; font-weight:400 800; font-display:swap;
  src:url("../fonts/inter-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:"Playfair Display"; font-style:normal; font-weight:400 900; font-display:swap;
  src:url("../fonts/playfair-display-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:"Playfair Display"; font-style:italic; font-weight:400 900; font-display:swap;
  src:url("../fonts/playfair-display-italic-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:"Bangers"; font-style:normal; font-weight:400; font-display:swap;
  src:url("../fonts/bangers-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;
}

/* ---------- 1. TOKEN ---------- */
:root{
  /* palette kit */
  --paper:      #F4EBDD;
  --ink:        #171A21;
  --navy:       #14243D;
  --bordeaux:   #7B2737;
  --rain:       #7B8795;
  --brass:      #B28C5B;

  /* ruoli — tema chiaro */
  --bg:         #EFE4D4;
  --bg-2:       #E7DAC7;
  --surface:    #F7F0E5;
  --surface-2:  #F4EBDD;
  --text:       #171A21;
  --text-soft:  #4A505C;
  --line:       #171A21;
  --line-soft:  rgba(23,26,33,.22);
  --accent:     #7B2737;
  --accent-ink: #F7F0E5;
  --halo:       rgba(20,36,61,.16);
  --shadow:     6px 7px 0 rgba(23,26,33,.88);
  --shadow-sm:  4px 5px 0 rgba(23,26,33,.85);
  --grain:      .05;

  /* tipografia */
  --f-display: "Playfair Display", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --f-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --f-sfx: "Bangers", "Impact", "Haettenschweiler", sans-serif;

  --ink-w: 3px;
  --r: 2px;

  /* ritmo */
  --wrap: 1220px;
  --gut: clamp(1.1rem, 4vw, 2.5rem);
  --sec: clamp(4.5rem, 10vw, 8.5rem);
}

html[data-theme="dark"]{
  --bg:         #0E1626;
  --bg-2:       #0A1120;
  --surface:    #16233A;
  --surface-2:  #1B2B45;
  --text:       #F1E7D9;
  --text-soft:  #A9B6C7;
  --line:       #060A12;
  --line-soft:  rgba(241,231,217,.24);
  --accent:     #B23F53;
  --accent-ink: #0E1626;
  --halo:       rgba(241,231,217,.14);
  --shadow:     6px 7px 0 rgba(4,7,13,.9);
  --shadow-sm:  4px 5px 0 rgba(4,7,13,.9);
  --grain:      .08;
}

/* ---------- 2. RESET ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:100px; }
body{
  margin:0;
  font-family:var(--f-ui);
  font-size:clamp(1rem,.96rem + .22vw,1.075rem);
  line-height:1.66;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* grana di carta su tutta la pagina */
body::before{
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none;
  opacity:var(--grain);
  background-image:
    radial-gradient(var(--navy) .9px, transparent 1px),
    radial-gradient(var(--bordeaux) .7px, transparent .9px);
  background-size:6px 6px, 11px 11px;
  background-position:0 0, 3px 4px;
}
img,svg{ max-width:100%; }
img{ height:auto; display:block; }
h1,h2,h3,h4{ margin:0; font-family:var(--f-display); font-weight:800; line-height:1.06; letter-spacing:-.015em; }
p{ margin:0 0 1.05em; }
a{ color:inherit; }
ul,ol{ margin:0; padding:0; list-style:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
:focus-visible{ outline:3px solid var(--accent); outline-offset:3px; border-radius:2px; }
.svg-defs{ position:absolute; width:0; height:0; overflow:hidden; }

.wrap{ width:min(var(--wrap),100% - var(--gut)*2); margin-inline:auto; position:relative; z-index:1; }

.skip-link{
  position:fixed; top:.6rem; left:.6rem; z-index:999; transform:translateY(-160%);
  background:var(--accent); color:var(--accent-ink); padding:.7rem 1.1rem;
  border:var(--ink-w) solid var(--line); font-weight:700; text-decoration:none;
  transition:transform .2s;
}
.skip-link:focus{ transform:none; }

/* ---------- 2b. VIGNETTA D'APERTURA ----------
   Ricostruisce la tavola di riferimento: cornice d'inchiostro, linee cinetiche
   da sinistra, tre barre verticali inclinate, due bollini in alto a destra.
   Poi l'intera vignetta scorre via come una pagina che si volta.
   Solo transform e opacity: niente reflow, resta fluida anche su mobile. */
.intro{ display:none; }
.js .intro{
  --i-bg:#F4EBDD; --i-ink:#171A21; --i-red:#7B2737; --i-dot:#7B8795;
  display:block; position:fixed; inset:0; z-index:9999;
  background:var(--i-bg);
  animation:introOut 580ms cubic-bezier(.76,0,.24,1) 1800ms both; /* il logo resta leggibile per circa un secondo */
  will-change:transform;
}
html[data-theme="dark"].js .intro{ /* la classe .js sta sull'elemento <html> */
  --i-bg:#0E1626; --i-ink:#F1E7D9; --i-red:#B23F53; --i-dot:#7B8795;
}
@keyframes introOut{
  0%   { transform:none; visibility:visible; }
  99%  { visibility:visible; }
  100% { transform:translate3d(-104%,0,0) skewX(-4deg); visibility:hidden; }
}

.intro__stage{
  position:absolute; inset:0; overflow:hidden;
  animation:introSettle 700ms cubic-bezier(.2,.85,.3,1) both;
}
@keyframes introSettle{ from{ transform:scale(1.035); } to{ transform:scale(1); } }

.intro__frame{
  position:absolute; inset:clamp(9px,1.5vw,20px);
  border:clamp(3px,.4vw,5px) solid var(--i-ink);
}

/* linee cinetiche */
.intro__lines{ position:absolute; inset:0; }
.intro__lines i{
  position:absolute; left:0; height:2px; background:var(--i-ink); opacity:.82;
  transform:scaleX(0); transform-origin:0 50%;
  animation:introLine 380ms cubic-bezier(.2,.9,.25,1) both;
}
.intro__lines i:nth-child(1) { top:5%;  width:17%; rotate:3.4deg;  animation-delay:0ms; }
.intro__lines i:nth-child(2) { top:12%; width:25%; rotate:3deg;    animation-delay:26ms; }
.intro__lines i:nth-child(3) { top:19%; width:21%; rotate:3.6deg;  animation-delay:52ms; }
.intro__lines i:nth-child(4) { top:26%; width:27%; rotate:2.6deg;  animation-delay:78ms; }
.intro__lines i:nth-child(5) { top:33%; width:19%; rotate:3.4deg;  animation-delay:104ms; }
.intro__lines i:nth-child(6) { top:40%; width:24%; rotate:2.8deg;  animation-delay:130ms; }
.intro__lines i:nth-child(7) { top:48%; width:17%; rotate:3.6deg;  animation-delay:156ms; }
.intro__lines i:nth-child(8) { top:56%; width:26%; rotate:2.4deg;  animation-delay:182ms; }
.intro__lines i:nth-child(9) { top:64%; width:20%; rotate:3.2deg;  animation-delay:208ms; }
.intro__lines i:nth-child(10){ top:72%; width:23%; rotate:2.8deg;  animation-delay:234ms; }
.intro__lines i:nth-child(11){ top:80%; width:16%; rotate:3.6deg;  animation-delay:260ms; }
.intro__lines i:nth-child(12){ top:88%; width:25%; rotate:2.2deg;  animation-delay:286ms; }
@keyframes introLine{ to{ transform:scaleX(1); } }

/* barre verticali: entrano da sinistra come colpi d'inchiostro */
.intro__bar{
  position:absolute; top:-14%; height:128%;
  animation:introBar 640ms cubic-bezier(.16,.9,.2,1) both;
}
.intro__bar--a{ left:29%; width:clamp(3px,.34vw,5px); background:var(--i-red); animation-delay:60ms; }
.intro__bar--b{ left:61%; width:clamp(4px,.44vw,6px); background:var(--i-ink); animation-delay:140ms; }
.intro__bar--c{ left:67%; width:clamp(3px,.34vw,5px); background:var(--i-red); animation-delay:180ms; }
@keyframes introBar{
  from{ transform:translate3d(-72vw,0,0) rotate(3deg); }
  to  { transform:translate3d(0,0,0) rotate(3deg); }
}

/* bollini in alto a destra */
.intro__dots{
  position:absolute; top:clamp(24px,4.5vh,52px); right:clamp(26px,4vw,62px);
  display:flex; align-items:center; gap:clamp(6px,.8vw,12px);
}
.intro__dots i{ display:block; border-radius:50%; transform:scale(0); animation:introDot 420ms cubic-bezier(.3,1.5,.5,1) both; }
.intro__dots i:first-child{ width:clamp(9px,1.05vw,15px); aspect-ratio:1; background:var(--i-red); opacity:.72; animation-delay:400ms; }
.intro__dots i:last-child { width:clamp(6px,.75vw,11px); aspect-ratio:1; background:var(--i-dot); animation-delay:470ms; }
@keyframes introDot{ to{ transform:scale(1); } }

/* logo al centro, in una vignetta di carta che copre linee e barre */
.intro__logo{
  position:absolute; left:50%; top:50%; width:min(80vw,540px);
  padding:clamp(14px,2.4vw,26px) clamp(18px,3vw,34px);
  background:var(--i-bg); border:clamp(3px,.4vw,5px) solid var(--i-ink);
  box-shadow:clamp(5px,.7vw,9px) clamp(6px,.8vw,10px) 0 var(--i-ink);
  opacity:0; transform:translate(-50%,-50%) scale(.82) rotate(-2deg);
  animation:introLogo 560ms cubic-bezier(.3,1.4,.5,1) 320ms both;
}
.intro__logo img{ width:100%; height:auto; }
@keyframes introLogo{ to{ opacity:1; transform:translate(-50%,-50%) scale(1) rotate(-1deg); } }

/* uscita anticipata al primo gesto dell'utente */
.intro.is-skip{ animation-play-state:paused; opacity:0; transition:opacity 300ms ease; pointer-events:none; }
.intro.is-skip .intro__stage,
.intro.is-skip .intro__lines i,
.intro.is-skip .intro__bar,
.intro.is-skip .intro__dots i,
.intro.is-skip .intro__logo{ animation-play-state:paused; }

/* ---------- 3. VIGNETTE (panel) ---------- */
.panel{
  position:relative;
  background:var(--surface);
  border:var(--ink-w) solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--shadow);
}
/* seconda linea d'inchiostro, tremolante: è ciò che dà il tratto disegnato */
.panel::after{
  content:""; position:absolute; inset:6px; pointer-events:none;
  border:1.5px solid var(--line-soft);
  border-radius:1px;
  filter:url(#roughen-soft);
}
.panel--tilt-a{ transform:rotate(-.55deg); }
.panel--tilt-b{ transform:rotate(.5deg); }

/* retino d'angolo */
.halftone{
  position:absolute; width:min(38vw,380px); aspect-ratio:1; pointer-events:none;
  background-image:radial-gradient(var(--navy) 1.15px, transparent 1.3px);
  background-size:8px 8px;
  opacity:.2;
}
html[data-theme="dark"] .halftone{ background-image:radial-gradient(var(--paper) 1.15px,transparent 1.3px); opacity:.12; }
.halftone--tl{ top:-40px; left:-60px; -webkit-mask-image:radial-gradient(circle at 0 0,#000,transparent 72%); mask-image:radial-gradient(circle at 0 0,#000,transparent 72%); }
.halftone--br{ bottom:-40px; right:-60px; -webkit-mask-image:radial-gradient(circle at 100% 100%,#000,transparent 72%); mask-image:radial-gradient(circle at 100% 100%,#000,transparent 72%); }

/* linee cinetiche */
.speedlines{
  position:absolute; inset:-10%; pointer-events:none;
  background:repeating-conic-gradient(from 0deg at 62% 46%,
    var(--ink) 0deg .22deg, transparent .22deg 2.4deg);
  -webkit-mask-image:radial-gradient(circle at 62% 46%, transparent 26%, #000 72%);
  mask-image:radial-gradient(circle at 62% 46%, transparent 26%, #000 72%);
  opacity:.13; mix-blend-mode:multiply;
}
html[data-theme="dark"] .speedlines{ mix-blend-mode:normal; opacity:.08; }

/* onomatopee */
.sfx{
  font-family:var(--f-sfx); font-weight:400; letter-spacing:.03em;
  color:var(--accent); line-height:.9; text-transform:uppercase;
  -webkit-text-stroke:2px var(--line);
  paint-order:stroke fill;
  text-shadow:4px 4px 0 var(--line);
  pointer-events:none; user-select:none;
}

/* ---------- 4. TIPOGRAFIA DI SEZIONE ---------- */
.kicker{
  display:flex; align-items:center; gap:.7rem;
  font-size:.775rem; font-weight:700; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent); margin:0 0 1rem;
}
.kicker i{ display:block; width:34px; height:3px; background:var(--accent); flex:none; }

.chap-title{ font-size:clamp(2.1rem,1.15rem + 4.2vw,4rem); margin-bottom:.5rem; }
.chap-title em{ font-style:italic; color:var(--accent); }
.chap-lead{ max-width:62ch; color:var(--text-soft); font-size:clamp(1.02rem,.98rem + .3vw,1.2rem); }
.chap-head{ margin-bottom:clamp(2.4rem,5vw,4rem); max-width:900px; }

.chapter{ padding-block:var(--sec); position:relative; }
.chapter--tone{ background:var(--bg-2); overflow:hidden; }
.chapter--tone::before{
  content:""; position:absolute; inset:0 0 auto; height:3px; background:var(--line); opacity:.5;
}

/* ---------- 5. BOTTONI ---------- */
.btn{
  --bg-btn:var(--accent); --fg-btn:var(--accent-ink);
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding:.85rem 1.5rem;
  font-weight:700; font-size:.95rem; letter-spacing:.01em;
  text-decoration:none; cursor:pointer;
  background:var(--bg-btn); color:var(--fg-btn);
  border:var(--ink-w) solid var(--line); border-radius:var(--r);
  box-shadow:var(--shadow-sm);
  transform:rotate(-.5deg);
  transition:transform .16s cubic-bezier(.3,1.4,.5,1), box-shadow .16s, background .16s;
}
.btn:hover{ transform:rotate(-.5deg) translate(-2px,-2px); box-shadow:7px 8px 0 rgba(23,26,33,.9); }
.btn:active{ transform:rotate(-.5deg) translate(3px,4px); box-shadow:1px 1px 0 rgba(23,26,33,.9); }
html[data-theme="dark"] .btn:hover{ box-shadow:7px 8px 0 rgba(4,7,13,.95); }
.btn--ghost{ --bg-btn:var(--surface); --fg-btn:var(--text); }
.btn--sm{ padding:.6rem 1.05rem; font-size:.86rem; }
.btn--full{ width:100%; }
.btn .ic{ width:1.15em; height:1.15em; }
.ic{ width:1.25em; height:1.25em; display:block; flex:none; }

.icon-btn{
  display:inline-grid; place-items:center; width:44px; height:44px; padding:0;
  background:var(--surface); color:var(--text); cursor:pointer;
  border:var(--ink-w) solid var(--line); border-radius:var(--r);
  box-shadow:3px 4px 0 rgba(23,26,33,.85);
  transition:transform .15s, box-shadow .15s;
}
html[data-theme="dark"] .icon-btn{ box-shadow:3px 4px 0 rgba(4,7,13,.9); }
.icon-btn:hover{ transform:translate(-1px,-1px); }
.icon-btn:active{ transform:translate(2px,3px); box-shadow:0 0 0 rgba(0,0,0,.9); }
.icon-btn--sm{ width:40px; height:40px; text-decoration:none; }
.ic--moon{ display:none; }
html[data-theme="dark"] .ic--sun{ display:none; }
html[data-theme="dark"] .ic--moon{ display:block; }

/* ---------- 6. BARRA DI LETTURA + HEADER ---------- */
.readbar{ position:fixed; top:0; left:0; right:0; height:4px; z-index:120; pointer-events:none; }
.readbar i{ display:block; height:100%; width:0; background:var(--accent); box-shadow:0 1px 0 var(--line); }

.site-head{
  position:sticky; top:0; z-index:100;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px) saturate(1.2);
  border-bottom:var(--ink-w) solid var(--line);
  transition:box-shadow .25s;
}
.site-head.is-stuck{ box-shadow:0 6px 0 -2px rgba(23,26,33,.18); }
.site-head__in{ display:flex; align-items:center; gap:clamp(1rem,3vw,2.4rem); padding-block:.7rem; }

.brand{ display:flex; align-items:center; gap:.7rem; text-decoration:none; min-width:0; }
.brand img{ height:44px; width:auto; max-width:100%; }
/* logo con scritta blu sul tema chiaro, scritta bianca sul tema scuro */
.logo-dark{ display:none; }
html[data-theme="dark"] .logo-light{ display:none; }
html[data-theme="dark"] .logo-dark{ display:block; }

.nav{ margin-left:auto; }
.nav ul{ display:flex; align-items:center; gap:clamp(.5rem,1.4vw,1.35rem); }
.nav a{
  position:relative; display:block; padding:.4rem .2rem;
  font-size:.9rem; font-weight:600; text-decoration:none; white-space:nowrap;
}
.nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:.05rem; height:3px;
  background:var(--accent); transform:scaleX(0); transform-origin:left;
  transition:transform .22s cubic-bezier(.4,1.3,.5,1);
}
.nav a:hover::after, .nav a.is-active::after{ transform:scaleX(1); }
.nav a.is-active{ color:var(--accent); }
.nav-contact{ display:none; } /* su desktop il posto è preso dal pulsante "Contattami" */

.head-act{ display:flex; align-items:center; gap:.55rem; flex:none; }
.burger{ display:none; width:44px; height:44px; padding:9px 10px; background:var(--surface); border:var(--ink-w) solid var(--line); cursor:pointer; }
.burger span{ display:block; height:3px; background:var(--text); margin:3px 0; transition:transform .25s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ---------- 7. HERO ----------
   La foto (lavagna + insegnante) resta scoperta quasi ovunque: niente velo largo
   a coprirla. Il testo sta in un pannello — la stessa vignetta di carta usata
   in tutto il sito — appoggiato sopra la foto, non steso lungo tutta la lavagna:
   il contrasto lo garantisce il fondo del pannello, non un gradiente sulla scena. */
.hero{ position:relative; isolation:isolate; overflow:hidden; background:var(--surface-2); border-bottom:var(--ink-w) solid var(--line); }
.hero__art{ position:absolute; inset:0; z-index:-1; }
.hero__art img{ width:100%; height:100%; object-fit:cover; object-position:68% 38%; }
html[data-theme="dark"] .hero__art img{ filter:brightness(.72) contrast(1.06) saturate(.85); }
/* Il pseudo-elemento esiste per il solo mobile (sfuma il fondo della fascia foto
   nella carta sottostante, vedi media query sotto); su desktop resta vuoto,
   nessun velo sulla scena. */
.hero__art::after{ content:""; position:absolute; inset:0; pointer-events:none; background:none; }

.hero__grid{ padding-block:clamp(3.5rem,10vh,6.5rem) clamp(5.5rem,13vh,8.5rem); }
.hero__copy{
  max-width:min(30rem,88%);
  padding:clamp(1.7rem,3.2vw,2.4rem) clamp(1.8rem,3.6vw,2.6rem);
}
.hero__title{
  font-size:clamp(2.1rem,1rem + 4.6vw,3.6rem);
  margin-bottom:1.05rem; text-wrap:balance;
}
.hero__title em{ font-style:italic; color:var(--accent); position:relative; white-space:nowrap; }
.hero__title em::after{
  content:""; position:absolute; left:-2%; right:-2%; bottom:.02em; height:.14em;
  background:var(--accent); opacity:.28; filter:url(#roughen-soft);
}
.hero__lead{ font-size:clamp(1.03rem,.98rem + .45vw,1.28rem); max-width:44ch; color:var(--text-soft); }
.hero__lead b{ color:var(--text); }
.hero__cta{ display:flex; flex-wrap:wrap; gap:.85rem; margin:1.9rem 0 2.3rem; }

.hero__creds{ display:flex; flex-wrap:wrap; gap:.6rem; }
.hero__creds li{
  display:flex; flex-direction:column; align-items:flex-start; line-height:1.1;
  padding:.5rem .85rem; background:var(--surface);
  border:2px solid var(--line); box-shadow:3px 4px 0 rgba(23,26,33,.8);
  transform:rotate(-.7deg);
}
html[data-theme="dark"] .hero__creds li{ box-shadow:3px 4px 0 rgba(4,7,13,.9); }
.hero__creds li:nth-child(2){ transform:rotate(.8deg); }
.hero__creds li b{ font-family:var(--f-display); font-size:1.05rem; }
.hero__creds li span{ font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; color:var(--text-soft); }

.scroll-cue{
  position:absolute; left:50%; bottom:1.5rem; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.4rem;
  font-size:.66rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--text-soft); text-decoration:none; z-index:3;
}
.scroll-cue i{
  width:2px; height:34px; background:var(--accent);
  animation:cue 1.9s cubic-bezier(.6,0,.4,1) infinite;
  transform-origin:top;
}
@keyframes cue{ 0%{transform:scaleY(.2);opacity:0} 40%{transform:scaleY(1);opacity:1} 100%{transform:scaleY(1) translateY(34px);opacity:0} }

/* ---------- 8. STRISCIA CREDENZIALI ---------- */
.strip{ padding-block:clamp(3rem,7vw,5rem); }
.strip__grid{ display:grid; gap:clamp(1rem,2.2vw,1.6rem); grid-template-columns:repeat(4,1fr); }
.mini{ padding:1.5rem 1.4rem 1.3rem; }
.mini__no{
  font-family:var(--f-sfx); font-size:.95rem; letter-spacing:.1em;
  color:var(--accent); display:block; margin-bottom:.35rem;
}
.mini h2{ font-size:1.35rem; margin-bottom:.5rem; }
.mini p{ margin:0; font-size:.92rem; color:var(--text-soft); }
.mini--accent{ background:var(--navy); color:var(--paper); }
.mini--accent p{ color:rgba(244,235,221,.78); }
.mini--accent .mini__no{ color:var(--brass); }
.mini--accent::after{ border-color:rgba(244,235,221,.28); }

/* divisore londinese */
.divider{ overflow:hidden; border-block:var(--ink-w) solid var(--line); background:var(--surface-2); }
.divider img{ width:100%; height:clamp(110px,15vw,215px); object-fit:cover; object-position:center 62%; }
html[data-theme="dark"] .divider img{ filter:invert(1) hue-rotate(180deg) brightness(.9) contrast(1.05); }

/* ---------- 9. SU DI ME ---------- */
.about{
  display:grid; gap:clamp(1.8rem,4vw,3.4rem);
  grid-template-columns:minmax(0,.85fr) minmax(0,1fr);
  align-items:start;
}
.about__fig{ margin:0; overflow:hidden; }
.about__fig img{ width:100%; aspect-ratio:4/4.4; object-fit:cover; object-position:22% 45%; }
.about__fig figcaption{
  padding:.75rem 1rem; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--text-soft); border-top:2px solid var(--line-soft); background:var(--surface);
}
.about__copy > p{ color:var(--text-soft); }
.about__copy b{ color:var(--text); }

.balloon{
  position:relative; background:var(--surface); color:var(--text);
  border:var(--ink-w) solid var(--line);
  border-radius:44% 56% 48% 52% / 32% 36% 30% 34%;
  padding:1.9rem 2.4rem 1.75rem; margin-bottom:1.9rem;
  box-shadow:var(--shadow-sm);
}
.balloon p{ margin:0; font-family:var(--f-display); font-size:clamp(1.04rem,.98rem + .42vw,1.3rem); font-weight:700; line-height:1.4; text-wrap:pretty; }
.balloon::before,.balloon::after{ content:""; position:absolute; left:12%; }
.balloon::before{ bottom:-27px; border:14px solid transparent; border-top:18px solid var(--line); }
.balloon::after{ bottom:-19px; border:11px solid transparent; border-top:14px solid var(--surface); margin-left:3px; }

.tick{ margin:1.5rem 0 1.9rem; display:grid; gap:.7rem; }
.tick li{ position:relative; padding-left:2rem; color:var(--text-soft); font-size:.97rem; }
.tick li::before{
  content:""; position:absolute; left:0; top:.42em; width:1.15rem; height:.62rem;
  border-left:3px solid var(--accent); border-bottom:3px solid var(--accent);
  transform:rotate(-45deg);
}
.tick b{ color:var(--text); }

.pullquote{
  margin:clamp(3rem,6vw,4.5rem) 0 0; padding:clamp(2rem,4vw,3rem) clamp(1.6rem,5vw,4rem);
  background:var(--surface); border:var(--ink-w) solid var(--line);
  box-shadow:var(--shadow); position:relative; text-align:center;
}
.pullquote::before{
  content:"“"; position:absolute; top:-.35em; left:.25em;
  font-family:var(--f-display); font-size:clamp(6rem,12vw,10rem); line-height:1;
  color:var(--accent); opacity:.28;
}
.pullquote p{
  font-family:var(--f-display); font-style:italic; font-weight:700;
  font-size:clamp(1.25rem,1rem + 1.5vw,2.15rem); line-height:1.3; margin:0 0 .9rem;
  text-wrap:balance;
}
.pullquote cite{ font-style:normal; font-size:.74rem; letter-spacing:.24em; text-transform:uppercase; color:var(--text-soft); }

/* ---------- 10. LEZIONI ---------- */
.cards{ display:grid; gap:clamp(1.1rem,2.4vw,1.7rem); grid-template-columns:repeat(3,1fr); }
.card{ padding:1.7rem 1.6rem 1.6rem; display:flex; flex-direction:column; }
.card:nth-child(3n+1){ transform:rotate(-.45deg); }
.card:nth-child(3n){ transform:rotate(.4deg); }
.card__ic{ width:66px; height:66px; margin-bottom:1.1rem; }
.card h3{ font-size:1.32rem; margin-bottom:.6rem; }
.card p{ margin:0; font-size:.94rem; color:var(--text-soft); }
.card b{ color:var(--text); }
.card{ transition:transform .2s cubic-bezier(.3,1.3,.5,1), box-shadow .2s; }
.card:hover{ transform:translate(-3px,-4px) rotate(-.6deg); box-shadow:9px 11px 0 rgba(23,26,33,.9); }
html[data-theme="dark"] .card:hover{ box-shadow:9px 11px 0 rgba(4,7,13,.95); }

.note{
  margin-top:clamp(1.6rem,3vw,2.4rem); padding:1.5rem 1.7rem;
  display:flex; gap:1.4rem; align-items:center; background:var(--navy); color:var(--paper);
}
.note::after{ border-color:rgba(244,235,221,.26); }
.note img{ width:88px; flex:none; border:2px solid rgba(244,235,221,.5); }
.note p{ margin:0; font-size:1rem; color:rgba(244,235,221,.86); }
.note b{ color:var(--paper); }

/* ---------- 11. METODO ---------- */
.method{ display:grid; gap:clamp(1.6rem,3.5vw,3rem); grid-template-columns:minmax(0,.62fr) minmax(0,1fr); align-items:start; }
.method__fig{ margin:0; overflow:visible; position:sticky; top:112px; }
.method__fig img{ width:100%; aspect-ratio:860/1200; object-fit:cover; object-position:center 18%; }
.sfx--board{ position:absolute; right:-.6rem; bottom:-1.4rem; font-size:clamp(1.9rem,4vw,3.2rem); transform:rotate(-7deg); z-index:2; }

.steps{ display:grid; gap:clamp(1rem,2vw,1.5rem); counter-reset:s; }
.step{ padding:1.6rem 1.7rem 1.5rem 4.6rem; }
.step:nth-child(even){ transform:rotate(.4deg); }
.step:nth-child(odd){ transform:rotate(-.35deg); }
.step__no{
  position:absolute; left:1.05rem; top:1.25rem;
  width:2.4rem; height:2.4rem; display:grid; place-items:center;
  font-family:var(--f-sfx); font-size:1.5rem; line-height:1;
  color:var(--accent-ink); background:var(--accent);
  border:2.5px solid var(--line); border-radius:50%;
  transform:rotate(-6deg);
}
.step h3{ font-size:1.28rem; margin-bottom:.45rem; }
.step p{ margin:0; font-size:.95rem; color:var(--text-soft); }

/* ---------- 12. BANDA STICKER ---------- */
.band{ position:relative; padding-block:clamp(2.2rem,5vw,3.4rem); background:var(--navy); overflow:hidden; border-block:var(--ink-w) solid var(--line); }
.band::before{
  content:""; position:absolute; inset:0;
  background-image:radial-gradient(rgba(244,235,221,.5) 1px, transparent 1.15px);
  background-size:9px 9px; opacity:.12;
}
.band__label{ text-align:center; margin-bottom:1.4rem; position:relative; }
.band__label span{
  font-family:var(--f-sfx); font-size:clamp(1.4rem,3vw,2.1rem); color:var(--brass);
  letter-spacing:.08em; -webkit-text-stroke:1.5px var(--ink); paint-order:stroke fill;
}
.marquee{ position:relative; -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.marquee__track{ display:flex; gap:1.2rem; width:max-content; animation:slide 102s linear infinite; } /* circa 5s per sticker: va ritoccato se cambia il numero */
.marquee:hover .marquee__track{ animation-play-state:paused; }
@keyframes slide{ to{ transform:translateX(-50%); } }
.sticker{ margin:0; flex:none; width:clamp(96px,11vw,132px); text-align:center; }
.sticker img{ width:100%; border:2.5px solid var(--ink); box-shadow:4px 5px 0 rgba(0,0,0,.55); transform:rotate(-1.5deg); }
.sticker:nth-child(even) img{ transform:rotate(1.8deg); }
.sticker figcaption{ margin-top:.55rem; font-size:.64rem; letter-spacing:.2em; text-transform:uppercase; color:rgba(244,235,221,.62); }

/* ---------- 13. 10 DOMANDE ---------- */
.qa-wrap{ display:grid; gap:clamp(1.6rem,3.5vw,2.8rem); grid-template-columns:minmax(0,.44fr) minmax(0,1fr); align-items:start; }
.qa-side{ position:sticky; top:112px; display:grid; gap:1.1rem; }
.qa-avatar{ margin:0; overflow:hidden; }
.qa-avatar img{ width:100%; aspect-ratio:1; object-fit:cover; }
.qa-side__box{ padding:1.4rem 1.5rem; }
.qa-side__hi{ font-family:var(--f-display); font-style:italic; font-size:1.06rem; line-height:1.45; margin-bottom:1.1rem; }
.qa-toggle{
  display:none; /* senza JS il pulsante non avrebbe nulla da comandare */
  justify-self:start; background:none; border:none; cursor:pointer; padding:.2rem 0;
  font-size:.78rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--accent); border-bottom:2px solid var(--accent);
}
.js .qa-toggle{ display:inline-block; }

.qa-list{ display:grid; gap:.85rem; }
.qa{ padding:0; overflow:hidden; transition:box-shadow .2s; }
.qa::after{ inset:5px; }
.qa__h{ margin:0; font-family:inherit; font-size:inherit; font-weight:inherit; letter-spacing:normal; }
.qa__btn{
  display:flex; align-items:flex-start; gap:1rem; width:100%; cursor:pointer;
  padding:1.15rem 1.35rem; text-align:left; user-select:none;
  background:none; border:0; color:inherit; font:inherit;
}
.qa__n{ font-family:var(--f-sfx); font-size:1.1rem; color:var(--accent); line-height:1.35; flex:none; }
.qa__q{ font-family:var(--f-display); font-weight:700; font-size:clamp(1.02rem,.98rem + .32vw,1.22rem); line-height:1.32; flex:1; transition:color .18s; }
.qa__x{ position:relative; width:20px; height:20px; flex:none; margin-top:.28rem; }
.qa__x::before,.qa__x::after{ content:""; position:absolute; inset:0; margin:auto; background:var(--accent); transition:transform .28s cubic-bezier(.4,1.3,.5,1); }
.qa__x::before{ width:18px; height:3px; }
.qa__x::after{ width:3px; height:18px; }
.qa__btn[aria-expanded="true"] .qa__x::after{ transform:scaleY(0); }
.qa__btn[aria-expanded="true"] .qa__x::before{ transform:rotate(180deg); }
.qa__btn:hover .qa__q{ color:var(--accent); }
.qa__body{ overflow:hidden; }
.qa__inner{ padding:0 1.35rem 1.4rem 3.35rem; }
.qa__inner p{
  margin:0; color:var(--text-soft); font-size:.98rem; line-height:1.72;
  border-left:3px solid var(--accent); padding-left:1.1rem;
}
.qa__inner--multi p + p{ padding-top:.85rem; }
.qa__bye{ font-family:var(--f-display) !important; font-style:italic; font-size:1.5rem !important; color:var(--accent) !important; }

/* ---------- 14. CORSI ---------- */
.wip{ position:relative; overflow:hidden; min-height:340px; display:grid; }
.wip__bg{
  position:absolute; inset:0;
  background:url("../img/bg-light.jpg") center/cover no-repeat;
  opacity:.85;
}
html[data-theme="dark"] .wip__bg{ background-image:url("../img/bg-dark.jpg"); opacity:1; }
.wip__in{ position:relative; padding:clamp(2.4rem,5vw,4rem); max-width:640px; align-self:center; }
.sfx--wip{ display:block; font-size:clamp(1.9rem,4.5vw,3.3rem); transform:rotate(-3deg); margin-bottom:1.1rem; }
.wip h3{ font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem); margin-bottom:.7rem; color:var(--ink); }
.wip p{ color:#3E4551; max-width:46ch; }
html[data-theme="dark"] .wip h3{ color:var(--paper); }
html[data-theme="dark"] .wip p{ color:rgba(241,231,217,.8); }
.wip__st{
  position:absolute; right:clamp(1rem,4vw,3rem); bottom:clamp(1rem,4vw,2.6rem);
  width:clamp(78px,11vw,132px); border:2.5px solid var(--ink);
  box-shadow:5px 6px 0 rgba(23,26,33,.75); transform:rotate(5deg);
}

/* ---------- 15. CONTATTI ---------- */
.contact{
  position:relative; padding-block:var(--sec);
  background:var(--navy) url("../img/bg-dark.jpg") center/cover no-repeat;
  color:var(--paper);
  border-top:var(--ink-w) solid var(--line);
}
.contact::before{ content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(10,16,28,.86), rgba(10,16,28,.94)); }
.chap-head--inv .chap-title{ color:var(--paper); }
.chap-head--inv .chap-title em{ color:var(--brass); }
.chap-head--inv .chap-lead{ color:rgba(241,231,217,.76); }
.chap-head--inv .kicker{ color:var(--brass); }
.chap-head--inv .kicker i{ background:var(--brass); }

.contact__grid{ display:grid; gap:clamp(1.5rem,3vw,2.4rem); grid-template-columns:minmax(0,1fr) minmax(0,.92fr); align-items:start; }

.contact__art{ margin:0; position:relative; overflow:hidden; background:var(--paper); }
.contact__art img{ width:100%; aspect-ratio:1/1; object-fit:cover; }

/* targa parlante sotto al ritratto: la linguetta punta verso di lei */
.contact__say{
  position:relative; padding:1.5rem 1.4rem 1.35rem; text-align:center;
  background:var(--paper); color:var(--ink);
  border-top:var(--ink-w) solid var(--line);
}
.contact__say::before,.contact__say::after{
  content:""; position:absolute; left:50%; width:0; height:0;
  border-left:15px solid transparent; border-right:15px solid transparent;
}
.contact__say::before{ top:calc(-1 * var(--ink-w)); border-bottom:17px solid var(--line); transform:translate(-50%,-100%); }
.contact__say::after { top:calc(-1 * var(--ink-w)); border-bottom:17px solid var(--paper); transform:translate(-50%,-100%) scale(.72); transform-origin:50% 100%; }

.contact__say-t{
  font-family:var(--f-display); font-weight:900; line-height:1.1;
  font-size:clamp(1.3rem,1.1rem + .8vw,1.85rem); margin:0 0 .8rem;
}
.contact__line{
  display:inline-flex; align-items:center; justify-content:center; gap:.45rem;
  font-size:clamp(.88rem,.85rem + .2vw,1.02rem); font-weight:600; text-decoration:none;
  color:var(--bordeaux); word-break:break-word; line-height:1.3;
  border-bottom:2px solid transparent; transition:border-color .18s;
}
.contact__line:hover{ border-color:var(--bordeaux); }
.contact__line .ic{ width:1.1em; height:1.1em; }
.contact__say-s{ margin:.7rem 0 0; font-size:.78rem; color:#5B616C; letter-spacing:.04em; }

.contact__form{ padding:clamp(1.6rem,3vw,2.4rem); color:var(--text); }
.contact__form h3{ font-size:1.5rem; margin-bottom:1.4rem; }
.field{ margin-bottom:1.05rem; }
.field label{ display:block; font-size:.76rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; margin-bottom:.42rem; color:var(--text-soft); }
.field label span{ color:var(--accent); margin-left:.15rem; }
.field input,.field select,.field textarea{
  width:100%; padding:.78rem .9rem; background:var(--bg);
  border:2.5px solid var(--line); border-radius:var(--r);
  font-size:.97rem; transition:box-shadow .15s, border-color .15s;
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--accent); box-shadow:3px 4px 0 var(--accent); }
.field.has-err input,.field.has-err textarea{ border-color:var(--accent); background:color-mix(in srgb,var(--accent) 8%, var(--bg)); }
.err{ display:block; min-height:1.15em; margin-top:.25rem; font-size:.78rem; font-weight:600; color:var(--accent); }
.form-note{ margin:.9rem 0 0; font-size:.78rem; color:var(--text-soft); line-height:1.5; }
.form-live{ margin:.5rem 0 0; font-size:.85rem; font-weight:600; color:var(--accent); min-height:1.2em; }

/* ---------- 16. FOOTER ---------- */
.site-foot{ position:relative; background:var(--bg-2); border-top:var(--ink-w) solid var(--line); }
.tartan{ height:24px; background:url("../svg/04-pattern-tartan.svg") repeat center/24px 24px; border-bottom:var(--ink-w) solid var(--line); }
.site-foot__in{
  display:grid; gap:clamp(1.6rem,3vw,2.6rem);
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  padding-block:clamp(2.6rem,5vw,4rem);
}
.foot-logo{ display:block; width:min(100%,380px); }
.foot-logo img{ width:100%; height:auto; }
.foot-bye{ margin:1rem 0 0; font-family:var(--f-display); font-style:italic; font-size:1.15rem; color:var(--accent); }
.foot-col h4{ font-size:.76rem; letter-spacing:.2em; text-transform:uppercase; margin-bottom:.9rem; color:var(--text-soft); font-family:var(--f-ui); font-weight:700; }
.foot-list{ display:grid; gap:.5rem; }
.foot-list a{ text-decoration:none; font-size:.92rem; color:var(--text); border-bottom:2px solid transparent; transition:border-color .18s, color .18s; }
.foot-list a:hover{ color:var(--accent); border-color:var(--accent); }
.foot-social{ display:flex; gap:.5rem; margin-top:1.1rem; }
.foot-legal{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:.6rem 1.5rem;
  padding-block:1.15rem; border-top:2px solid var(--line-soft);
}
.foot-legal p{ margin:0; font-size:.78rem; color:var(--text-soft); }
/* padding a destra: a fondo pagina il pulsante "torna su" (fixed) sta proprio in quell'angolo */
.foot-credit{ display:flex; justify-content:flex-end; padding-block:0 1.1rem; padding-right:4.5rem; }
.foot-credit p{ display:flex; align-items:center; gap:.5rem; margin:0; font-size:.72rem; color:var(--text-soft); }
.foot-credit img{ width:24px; height:24px; }
.foot-credit b{ color:var(--text); font-weight:700; }

/* ---------- 16b. PAGINE LEGALI ---------- */
.legal-page{ padding-block:clamp(3rem,7vw,5.5rem) var(--sec); }
.legal-page .chap-title{ font-size:clamp(2.1rem,1.3rem + 3.4vw,3.5rem); }
.legal{ display:grid; grid-template-columns:minmax(0,17rem) minmax(0,1fr); gap:clamp(2rem,5vw,4.5rem); align-items:start; }
.legal__toc{ position:sticky; top:100px; font-size:.88rem; }
.legal__toc b{ display:block; font-size:.74rem; letter-spacing:.2em; text-transform:uppercase; color:var(--text-soft); margin-bottom:.7rem; }
.legal__toc ol{ display:grid; gap:.1rem; counter-reset:toc; }
.legal__toc li{ counter-increment:toc; }
.legal__toc a{ display:flex; gap:.55rem; padding:.3rem 0; text-decoration:none; color:var(--text); line-height:1.35; }
.legal__toc a::before{ content:counter(toc) "."; flex:none; min-width:1.4rem; color:var(--accent); font-weight:700; }
.legal__toc a:hover{ color:var(--accent); }

.legal__body{ max-width:72ch; }
.legal__short{ padding:clamp(1.3rem,3vw,2rem); margin-bottom:clamp(2.2rem,5vw,3.2rem); }
.legal__short p:last-child{ margin-bottom:0; }
.legal__short-t{ font-family:var(--f-sfx); font-size:1.5rem; letter-spacing:.04em; color:var(--accent); line-height:1; margin-bottom:.8rem; }
.legal__body h2{
  font-size:clamp(1.4rem,1.15rem + 1vw,1.85rem); margin:2.6rem 0 .9rem; padding-top:1.4rem;
  border-top:2px solid var(--line-soft); scroll-margin-top:96px;
}
.legal__body h2:first-of-type{ margin-top:0; }
.legal__body h3{ font-size:1.12rem; margin:1.6rem 0 .5rem; }
.legal__body ul{ display:grid; gap:.55rem; margin:0 0 1.1em; }
.legal__body ul li{ position:relative; padding-left:1.4rem; }
.legal__body ul li::before{ content:""; position:absolute; left:.1rem; top:.68em; width:.55rem; height:3px; background:var(--accent); }
.legal__body a{ color:var(--accent); text-underline-offset:3px; }
.legal__dl{
  display:grid; grid-template-columns:max-content minmax(0,1fr); gap:.45rem 1.4rem;
  margin:0 0 1.2em; padding:1rem 1.2rem; background:var(--surface); border:2px solid var(--line-soft);
}
.legal__dl dt{ font-weight:700; font-size:.9rem; }
.legal__dl dd{ margin:0; overflow-wrap:anywhere; }
.legal__note{ margin-top:-.2rem; font-size:.86rem; color:var(--text-soft); }
.legal__body .btn{ color:var(--accent-ink); text-decoration:none; }
.legal__date{ margin-top:2.6rem; padding-top:1.2rem; border-top:2px solid var(--line-soft); font-size:.88rem; color:var(--text-soft); }

@media (max-width:1040px){
  .legal{ grid-template-columns:1fr; }
  .legal__toc{ position:static; padding:1.1rem 1.2rem; background:var(--surface); border:2px solid var(--line-soft); }
}
@media (max-width:640px){
  .legal__dl{ grid-template-columns:1fr; gap:.1rem; }
  .legal__dl dd{ margin-bottom:.5rem; }
}

/* ---------- 17. TORNA SU ---------- */
.totop{
  position:fixed; right:1.1rem; bottom:1.1rem; z-index:90;
  width:48px; height:48px; display:grid; place-items:center; cursor:pointer;
  background:var(--accent); color:var(--accent-ink);
  border:var(--ink-w) solid var(--line); box-shadow:4px 5px 0 rgba(23,26,33,.85);
  opacity:0; visibility:hidden; transform:translateY(12px);
  transition:opacity .25s, transform .25s, visibility .25s;
}
.totop.is-on{ opacity:1; visibility:visible; transform:none; }
.totop:active{ transform:translate(2px,3px); box-shadow:1px 1px 0 rgba(23,26,33,.85); }

/* ---------- 18. REVEAL ---------- */
.reveal{ opacity:0; transform:translateY(26px) rotate(var(--rv-r,0deg)); }
.js .reveal{ transition:opacity .62s cubic-bezier(.22,.85,.3,1), transform .62s cubic-bezier(.22,.85,.3,1); transition-delay:calc(var(--d,0) * 90ms); }
.reveal.is-in{ opacity:1; transform:none; }
.no-js .reveal{ opacity:1; transform:none; }
/* le vignette inclinate mantengono la rotazione a fine animazione */
.panel--tilt-a.reveal.is-in{ transform:rotate(-.55deg); }
.panel--tilt-b.reveal.is-in{ transform:rotate(.5deg); }

/* ---------- 19. RESPONSIVE ---------- */
@media (max-width:1080px){
  .strip__grid{ grid-template-columns:repeat(2,1fr); }
  .cards{ grid-template-columns:repeat(2,1fr); }
  .site-foot__in{ grid-template-columns:1fr 1fr; }
  .foot-brand{ grid-column:1 / -1; }
}

/* il menu passa a hamburger finché la riga orizzontale ha spazio davvero */
@media (max-width:1040px){
  .nav{
    position:fixed; inset:76px 0 auto; margin:0;
    background:var(--bg); border-bottom:var(--ink-w) solid var(--line);
    padding:1rem var(--gut) 1.6rem;
    clip-path:inset(0 0 100% 0); transition:clip-path .32s cubic-bezier(.4,1,.4,1);
  }
  .nav.is-open{ clip-path:inset(0 0 0 0); }
  .nav ul{ flex-direction:column; align-items:stretch; gap:0; }
  .nav a{ padding:.85rem .2rem; font-size:1.05rem; border-bottom:2px solid var(--line-soft); }
  .nav a::after{ display:none; }
  .burger{ display:block; }
  /* la nav esce dal flusso (fixed): senza questo tema e menu restano attaccati al logo */
  .head-act{ margin-left:auto; }
  .head-cta{ display:none; }
  .nav-contact{ display:block; }
  .nav-contact a{ color:var(--accent); font-weight:700; }

  /* sul mobile l'illustrazione diventa la prima vignetta della pagina */
  .hero__art{
    position:relative; inset:auto; z-index:0;
    height:min(50vh,400px); border-bottom:var(--ink-w) solid var(--line);
  }
  .hero__art img{ object-position:74% 30%; }
  .hero__art::after{ background:linear-gradient(180deg, transparent 54%, color-mix(in srgb,var(--surface-2) 90%, transparent)); }
  html[data-theme="dark"] .hero__art::after{ background:linear-gradient(180deg, color-mix(in srgb,var(--bg) 16%, transparent) 0 52%, color-mix(in srgb,var(--bg) 90%, transparent)); }
  .hero__grid{ padding-block:clamp(2rem,6vw,3rem) 4.5rem; }
  .hero__copy{ max-width:none; }
  .scroll-cue{ display:none; }

  /* A colonna singola il ritratto quadrato diventerebbe enorme: lo si contiene.
     Niente `margin-inline:auto`: su un grid item i margini auto annullano lo
     stretch e la vignetta si dimensionerebbe sul testo della targa. */
  .contact__art{ width:100%; max-width:480px; justify-self:center; }

  .about,.method,.qa-wrap,.contact__grid{ grid-template-columns:1fr; }
  /* niente sticky sotto i 1080px, ma `relative` va mantenuto: .method__fig è un
     .panel e la sua cornice ::after (position:absolute) altrimenti si aggancia
     a .wrap e disegna un riquadro attorno a tutto il capitolo. */
  .method__fig,.qa-side{ position:relative; top:auto; }
  .method__fig img{ aspect-ratio:16/10; object-position:center 22%; }
  .qa-avatar{ max-width:320px; }
  .qa-side{ grid-template-columns:1fr; }
}

@media (max-width:640px){
  :root{ --ink-w:2.5px; --shadow:5px 6px 0 rgba(23,26,33,.88); }

  /* l'header deve stare in una riga sola anche su schermi da 320px */
  .site-head__in{ gap:.7rem; }
  .brand img{ height:42px; }
  .icon-btn{ width:40px; height:40px; }
  .burger{ width:40px; height:40px; padding:8px 9px; }
  .nav{ inset-block-start:68px; }

  .strip__grid,.cards{ grid-template-columns:1fr; }
  /* Naviga e Informazioni affiancate: in colonna unica il footer diventa lunghissimo */
  .site-foot__in{ grid-template-columns:1fr 1fr; gap:2rem 1.2rem; }
  .foot-col:nth-child(2){ grid-column:1 / -1; }

  /* lo skyline occupa solo il fondo dell'immagine: su schermo stretto si ingrandisce
     e si inquadra la parte bassa, con il Big Ben al centro */
  .divider{ position:relative; height:120px; }
  .divider img{ position:absolute; left:50%; bottom:0; width:auto; max-width:none; height:180px; transform:translateX(-68%); }

  .kicker{ font-size:.72rem; letter-spacing:.15em; gap:.55rem; }
  .kicker i{ width:24px; }
  .panel--tilt-a,.panel--tilt-b,.card:nth-child(3n+1),.card:nth-child(3n),.step:nth-child(even),.step:nth-child(odd){ transform:none; }
  .panel--tilt-a.reveal.is-in,.panel--tilt-b.reveal.is-in{ transform:none; }
  .note{ flex-direction:column; text-align:center; }
  .step{ padding:3.6rem 1.3rem 1.4rem; }
  .step__no{ top:1.1rem; left:1.2rem; }
  .qa__inner{ padding-left:1.35rem; }
  .contact__say{ padding:1.3rem 1.1rem 1.2rem; }
  /* spazio in fondo: il pulsante "torna su" non deve coprire il copyright */
  .foot-legal{ flex-direction:column; }
  .foot-credit{ justify-content:flex-start; padding-bottom:4.5rem; }
  .wip__st{ display:none; }
  .totop{ right:.7rem; bottom:.7rem; width:42px; height:42px; }
}

/* schermi molto stretti: niente filtro ruvido (costoso) */
@media (max-width:520px){
  .panel::after{ filter:none; }
}

/* ---------- 20. PREFERENZE UTENTE ---------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .js .intro{ display:none !important; } /* nessun sipario: si entra direttamente nel sito */
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1 !important; transform:none !important; }
  .marquee__track{ animation:none; }
}

@media print{
  .site-head,.readbar,.totop,.band,.scroll-cue,.speedlines,.contact__form{ display:none !important; }
  body{ background:#fff; color:#000; }
  .panel{ box-shadow:none; }
}