/* =====================================================================
   andreadelia.com — restyling 2026
   Sito statico editoriale. Angoli vivi, crossfade morbidi, accento giallo.
   ===================================================================== */

/* ---------- Font ospitati sul dominio ----------
   Space Grotesk e Inter in formato variabile: un solo file per famiglia copre
   tutti i pesi. Sottoinsieme ai caratteri che servono davvero all'italiano.
   Serviti da andreadelia.com: nessuna connessione a Google, nessun IP dei
   visitatori che raggiunge terze parti. Licenza SIL Open Font (vedi OFL-*.txt). */
@font-face{
  font-family:"Space Grotesk";
  src:url("/assets/fonts/space-grotesk.woff") format("woff");
  font-weight:300 700;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("/assets/fonts/inter.woff") format("woff");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea{font:inherit;color:inherit}
ul{list-style:none}

/* ---------- Tokens ---------- */
:root{
  --paper:#f2f0ea;
  --paper-2:#e9e6de;
  --ink:#121212;
  --ink-soft:#3a3a38;
  --muted:#8b877e;
  --line:rgba(18,18,18,.14);
  --line-strong:rgba(18,18,18,.28);
  --accent:#e4ff00;      /* giallo elettrico del catalogo AD LED LIFE */
  --dark:#141412;

  --maxw:1440px;
  --gutter:clamp(20px,5vw,72px);
  --nav-h:72px;

  --f-sans:"Space Grotesk","Helvetica Neue",Arial,sans-serif;
  --f-body:"Inter","Helvetica Neue",Arial,sans-serif;

  --ease:cubic-bezier(.19,1,.22,1);
}

/* ---------- Base ---------- */
body{
  font-family:var(--f-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

/* Selection */
::selection{background:var(--accent);color:var(--ink)}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--f-sans);font-weight:500;line-height:1.02;letter-spacing:-.02em}
.display{
  font-family:var(--f-sans);
  font-weight:500;
  font-size:clamp(2.9rem,9vw,8.2rem);
  line-height:.94;
  letter-spacing:-.035em;
}
.eyebrow{
  font-family:var(--f-sans);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:500;
}
.lead{font-size:clamp(1.05rem,1.7vw,1.35rem);line-height:1.45;color:var(--ink-soft);max-width:34ch}

/* ---------- Header ---------- */
.site-head{
  position:fixed;inset:0 0 auto 0;z-index:100;
  height:var(--nav-h);
  display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease);
}
/* Lo sfondo sfocato vive su uno pseudo-elemento, non sull'header.
   Se backdrop-filter stesse su .site-head, questa diventerebbe il containing
   block dei figli in position:fixed: il pannello del menu mobile si
   aggancerebbe all'header (72px) invece che al viewport, restando alto zero
   e lasciando le voci sovrapposte al contenuto della pagina. */
.site-head::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:color-mix(in srgb,var(--paper) 82%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:background .4s var(--ease);
}
.site-head.scrolled{border-bottom-color:var(--line)}
.site-head.scrolled::before{background:color-mix(in srgb,var(--paper) 94%,transparent)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{font-family:var(--f-sans);font-weight:600;font-size:1.02rem;letter-spacing:-.01em;display:flex;align-items:center;gap:.5ch}
.brand .dot{width:8px;height:8px;background:var(--accent);display:inline-block;box-shadow:0 0 0 1px var(--ink)}
.nav{display:flex;align-items:center;gap:clamp(16px,2.4vw,38px)}
.nav a{
  font-family:var(--f-sans);font-size:.86rem;font-weight:500;letter-spacing:.01em;
  position:relative;padding:4px 0;color:var(--ink-soft);transition:color .25s var(--ease)
}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1.5px;background:var(--ink);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1);transform-origin:left}
.nav a.active{color:var(--ink)}
.nav .btn-contact{padding:9px 18px;background:var(--ink);color:var(--paper);letter-spacing:.03em}
.nav .btn-contact::after{display:none}
.nav .btn-contact:hover{background:var(--accent);color:var(--ink)}
.burger{display:none;flex-direction:column;gap:5px;width:26px;height:26px;justify-content:center;align-items:flex-end;position:relative;z-index:2}
.burger span{width:24px;height:2px;background:var(--ink);transition:transform .4s var(--ease),opacity .3s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{padding-top:calc(var(--nav-h) + clamp(48px,11vh,140px));padding-bottom:clamp(48px,9vh,110px)}
.hero__eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:clamp(24px,5vh,48px)}
.hero__eyebrow .rule{height:1px;width:clamp(40px,8vw,120px);background:var(--line-strong)}
.hero h1{margin-bottom:clamp(28px,5vh,52px)}
.hero__title .hero__eyebrow{line-height:1.4;letter-spacing:0}
.hero__title .display{display:block}
.hero h1 .accent{position:relative;white-space:nowrap}
.hero h1 .accent::after{content:"";position:absolute;left:-.04em;right:-.04em;bottom:.08em;height:.34em;background:var(--accent);z-index:-1}
.hero__meta{display:flex;flex-wrap:wrap;gap:clamp(28px,5vw,72px);align-items:end;justify-content:space-between}
.hero__services{display:flex;flex-wrap:wrap;gap:10px}
.hero__services span{font-family:var(--f-sans);font-size:.8rem;letter-spacing:.02em;border:1px solid var(--line-strong);padding:7px 14px;color:var(--ink-soft)}
.hero__cta{display:flex;gap:14px;align-items:center}
.scroll-hint{font-family:var(--f-sans);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:10px}
.scroll-hint .arrow{animation:bob 1.8s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ---------- Section shell ---------- */
.section{padding-block:clamp(64px,12vh,150px)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:clamp(36px,6vh,72px);flex-wrap:wrap}
.section-head h2{font-size:clamp(1.6rem,3.4vw,3rem)}
.section-head .idx{font-family:var(--f-sans);font-size:.8rem;letter-spacing:.16em;color:var(--muted)}
.hr{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Works index ---------- */
.works{border-top:1px solid var(--line-strong)}
.work{
  display:grid;grid-template-columns:auto 1fr auto auto;gap:clamp(14px,3vw,44px);align-items:center;
  padding:clamp(22px,3.4vw,40px) 0;border-bottom:1px solid var(--line);
  position:relative;transition:padding-left .5s var(--ease)
}
.work:hover{padding-left:clamp(10px,1.6vw,26px)}
.work__no{font-family:var(--f-sans);font-size:.82rem;color:var(--muted);letter-spacing:.08em;align-self:start;padding-top:.4em}
.work__body{min-width:0;display:flex;flex-direction:column;gap:10px}
.work__title{display:block;font-family:var(--f-sans);font-weight:500;font-size:clamp(1.7rem,5vw,3.8rem);line-height:1;letter-spacing:-.03em;transition:color .3s var(--ease)}
.work__cat{display:block;font-family:var(--f-sans);font-size:.82rem;letter-spacing:.03em;color:var(--muted)}
.work__year{font-family:var(--f-sans);font-size:.9rem;color:var(--ink-soft);align-self:start;padding-top:.6em}
.work__go{width:44px;height:44px;border:1px solid var(--line-strong);display:grid;place-items:center;transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);flex-shrink:0}
.work:hover .work__go{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.work:hover .work__title{color:#000}
/* floating hover thumbnail */
.work__thumb{
  position:absolute;top:50%;left:38%;width:min(30vw,340px);aspect-ratio:4/3;
  transform:translate(-50%,-50%) scale(.9);pointer-events:none;z-index:5;
  opacity:0;transition:opacity .45s var(--ease),transform .55s var(--ease);
  overflow:hidden;box-shadow:0 30px 60px -20px rgba(0,0,0,.4)
}
.work:hover .work__thumb{opacity:1;transform:translate(-50%,-50%) scale(1)}
.work__thumb img{width:100%;height:100%;object-fit:cover}
@media(hover:none){.work__thumb{display:none}}

/* ---------- Studio / quote ---------- */
.quote{padding-block:clamp(70px,14vh,170px);border-block:1px solid var(--line-strong)}
.quote p{font-family:var(--f-sans);font-weight:500;font-size:clamp(1.5rem,4.4vw,3.4rem);line-height:1.08;letter-spacing:-.025em;max-width:20ch}
.quote .mark{color:var(--accent);-webkit-text-stroke:1px var(--ink);}
.quote cite{display:block;margin-top:32px;font-style:normal;font-family:var(--f-sans);font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ---------- Services ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc{background:var(--paper);padding:clamp(28px,3vw,48px);display:flex;flex-direction:column;gap:16px;min-height:clamp(300px,34vw,420px);transition:background .4s var(--ease)}
.svc:hover{background:var(--paper-2)}
.svc__no{font-family:var(--f-sans);font-size:.8rem;color:var(--muted);letter-spacing:.1em}
.svc h3{font-size:clamp(1.3rem,2.2vw,1.9rem);margin-top:auto}
.svc p{font-size:.98rem;color:var(--ink-soft);line-height:1.55}
.svc .tag{align-self:flex-start;margin-top:6px;font-family:var(--f-sans);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px}

/* ---------- Mission band ---------- */
.mission{background:var(--dark);color:var(--paper)}
.mission .wrap{padding-block:clamp(70px,14vh,150px);text-align:center}
.mission .eyebrow{color:var(--accent)}
.mission p{font-family:var(--f-sans);font-weight:500;font-size:clamp(2rem,6vw,5rem);letter-spacing:-.03em;line-height:1.05;margin-top:24px}

/* ---------- Contact ---------- */
.contact{}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,90px)}
.contact-lead h2{font-size:clamp(2rem,5.5vw,4.4rem);line-height:1;margin-bottom:24px}
.contact-lead p{color:var(--ink-soft);max-width:34ch;margin-bottom:32px}
.contact-lead a.mail{font-family:var(--f-sans);font-size:clamp(1.1rem,2.4vw,1.7rem);border-bottom:2px solid var(--accent);padding-bottom:3px;transition:opacity .3s var(--ease)}
.contact-lead a.mail:hover{opacity:.6}
.contact-info{margin-top:40px;display:flex;flex-direction:column;gap:14px}
.contact-info span{font-size:.9rem;color:var(--muted);font-family:var(--f-sans);letter-spacing:.02em}
.field{position:relative;margin-bottom:26px}
.field label{display:block;font-family:var(--f-sans);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.field input,.field textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-strong);padding:10px 0;font-size:1rem;transition:border-color .3s var(--ease)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.field textarea{resize:vertical;min-height:120px}
.submit{margin-top:8px;background:var(--ink);color:var(--paper);padding:16px 34px;font-family:var(--f-sans);font-size:.86rem;letter-spacing:.08em;display:inline-flex;align-items:center;gap:12px;transition:background .35s var(--ease),color .35s var(--ease)}
.submit:hover{background:var(--accent);color:var(--ink)}
.form-note{font-size:.78rem;color:var(--muted);margin-top:18px}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line-strong);padding-block:clamp(40px,6vh,70px)}
.foot-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:end}
.foot-big{font-family:var(--f-sans);font-weight:500;font-size:clamp(2.2rem,8vw,6.5rem);letter-spacing:-.03em;line-height:.9}
.foot-links{display:flex;gap:28px;flex-wrap:wrap}
.foot-links a{font-family:var(--f-sans);font-size:.86rem;color:var(--ink-soft);transition:color .25s var(--ease)}
.foot-links a:hover{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:clamp(40px,7vh,80px);padding-top:24px;border-top:1px solid var(--line);font-size:.78rem;color:var(--muted);font-family:var(--f-sans);letter-spacing:.02em}

/* ---------- Project pages ---------- */
.proj-hero{padding-top:calc(var(--nav-h) + clamp(48px,10vh,120px));padding-bottom:clamp(40px,7vh,80px)}
.back-link{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-sans);font-size:.82rem;letter-spacing:.06em;color:var(--muted);margin-bottom:clamp(28px,5vh,50px);transition:gap .3s var(--ease),color .3s var(--ease)}
.back-link:hover{gap:16px;color:var(--ink)}
.proj-hero h1{font-family:var(--f-sans);font-weight:500;font-size:clamp(2.6rem,8vw,7rem);line-height:.94;letter-spacing:-.035em;margin-bottom:clamp(24px,4vh,40px)}
.proj-meta{display:flex;flex-wrap:wrap;gap:clamp(28px,5vw,80px);border-top:1px solid var(--line-strong);padding-top:28px}
.proj-meta .cell{display:flex;flex-direction:column;gap:8px;max-width:46ch}
.proj-meta .k{font-family:var(--f-sans);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.proj-meta .v{font-size:1rem;color:var(--ink-soft);line-height:1.55}

.gallery{padding-bottom:clamp(60px,10vh,120px);display:grid;gap:clamp(14px,2.2vw,28px)}
.gallery .g-full{grid-column:1/-1}
.gallery figure{overflow:hidden;background:var(--paper-2)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease),filter .6s var(--ease)}
.gallery figure:hover img{transform:scale(1.03)}
.g-cols-2{grid-template-columns:1fr 1fr}
.g-cols-1{grid-template-columns:1fr}

.next-proj{border-top:1px solid var(--line-strong);padding-block:clamp(48px,9vh,110px)}
.next-proj a{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.next-proj .lbl{font-family:var(--f-sans);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.next-proj .t{font-family:var(--f-sans);font-weight:500;font-size:clamp(2rem,7vw,5.5rem);letter-spacing:-.03em;line-height:1;transition:color .3s var(--ease)}
.next-proj a:hover .t{color:#000}
.next-proj a:hover .t .arrow{margin-left:.3em}
.next-proj .t .arrow{transition:margin-left .4s var(--ease);display:inline-block}

/* ---------- Reveal animation ---------- */
.js [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js [data-reveal].in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .nav .nav-links{
    position:fixed;inset:var(--nav-h) 0 0 0;background:var(--paper);
    flex-direction:column;justify-content:center;align-items:flex-start;
    gap:8px;padding:0 var(--gutter);
    transform:translateX(100%);transition:transform .5s var(--ease);
    display:flex;
  }
  .nav .nav-links.open{transform:none}
  .nav .nav-links a{font-size:2rem;padding:10px 0}
  .nav .nav-links a::after{display:none}
  .nav .btn-contact{background:none;color:var(--ink);padding:10px 0}
  .burger{display:flex}
  .contact-grid{grid-template-columns:1fr}
  .services{grid-template-columns:1fr}
  .g-cols-2{grid-template-columns:1fr}
  .foot-top{align-items:flex-start;flex-direction:column}
  .work__thumb{display:none}
}
@media(max-width:520px){
  .work{grid-template-columns:auto 1fr auto;gap:14px}
  .work__year{display:none}
  .work__go{width:38px;height:38px}
  .hero__meta{flex-direction:column;align-items:flex-start;gap:32px}
}

/* ---------- Pagine legali ---------- */
.legal{padding-top:calc(var(--nav-h) + clamp(48px,10vh,110px));padding-bottom:clamp(60px,10vh,120px)}
.legal h1{font-size:clamp(2.2rem,6vw,4.4rem);line-height:.98;margin-bottom:20px}
.legal .updated{font-family:var(--f-sans);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:clamp(36px,6vh,64px);display:block}
.legal .doc{max-width:70ch}
.legal h2{font-size:clamp(1.1rem,2vw,1.45rem);margin:clamp(34px,5vh,52px) 0 14px;padding-top:20px;border-top:1px solid var(--line)}
.legal h2:first-of-type{border-top:0;padding-top:0;margin-top:0}
.legal p{color:var(--ink-soft);margin-bottom:14px;line-height:1.65}
.legal ul{margin:0 0 14px;padding-left:0}
.legal li{color:var(--ink-soft);line-height:1.65;margin-bottom:9px;padding-left:22px;position:relative}
.legal li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:1.5px;background:var(--accent);box-shadow:0 0 0 .5px var(--line-strong)}
.legal a{border-bottom:1px solid var(--accent);padding-bottom:1px}
.legal a:hover{background:var(--accent)}
.legal .todo{background:var(--paper-2);border-left:3px solid var(--accent);padding:16px 20px;margin:0 0 14px;font-size:.92rem}

/* ---------- Consenso privacy nel form ---------- */
.consent{display:flex;gap:12px;align-items:flex-start;margin:6px 0 24px}
.consent input{appearance:none;-webkit-appearance:none;flex-shrink:0;width:18px;height:18px;margin-top:2px;border:1px solid var(--line-strong);background:transparent;cursor:pointer;transition:background .25s var(--ease),border-color .25s var(--ease)}
.consent input:checked{background:var(--accent);border-color:var(--ink)}
.consent input:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.consent label{font-size:.84rem;color:var(--ink-soft);line-height:1.5;cursor:pointer}
.consent label a{border-bottom:1px solid var(--accent)}