/* ==========================================================
   EMSi Studio — stile del sito
   Palette: nero, bianco, verde EMSi, verdi molto scuri
   Font: Poppins (incluso nel sito)
   ========================================================== */

@font-face{font-family:"Poppins";src:url("assets/fonts/poppins-regular.woff") format("woff");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Poppins";src:url("assets/fonts/poppins-medium.woff") format("woff");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Poppins";src:url("assets/fonts/poppins-bold.woff") format("woff");font-weight:700;font-style:normal;font-display:swap}

:root{
  --black:#000;
  --white:#fff;
  --lime:#B9F43E;
  --lime-deep:#8FC21F;
  --green-dark:#0B1405;
  --green-night:#060C02;
  --text-2:#B4B4B4;
  --text-3:#8A8A8A;
  --line:#1E1E1E;
  --surface:#0C0C0C;
  --font:"Poppins","Helvetica Neue",Arial,sans-serif;
  --pad:clamp(20px,5vw,64px);
  --head:76px;
  --ease:cubic-bezier(.22,.9,.26,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--head);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--black);color:var(--white);font-family:var(--font);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.wrap{max-width:1240px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.skip{position:absolute;left:-999px;top:8px;background:var(--lime);color:#000;padding:10px 16px;border-radius:8px;z-index:100;font-weight:700}
.skip:focus{left:8px}

/* ---------- Bottoni ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 30px;border-radius:999px;font-weight:500;font-size:15px;letter-spacing:.04em;line-height:1;text-decoration:none;white-space:nowrap;overflow:hidden;isolation:isolate;transition:color .3s,border-color .3s,transform .3s var(--ease),box-shadow .3s}
.btn-lime{background:var(--lime);color:var(--black);box-shadow:0 0 0 0 rgba(185,244,62,0)}
.btn-lime::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--white);transform:translateY(101%);transition:transform .45s var(--ease)}
.btn-lime:hover::before{transform:none}
.btn-lime:hover{box-shadow:0 10px 40px -10px rgba(185,244,62,.55);transform:translateY(-2px)}
.btn-ghost{border:1px solid #3a3a3a;color:var(--white)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.btn-black{background:var(--black);color:var(--white)}
.btn-black::before{content:"";position:absolute;inset:0;z-index:-1;background:#1d1d1d;transform:translateY(101%);transition:transform .45s var(--ease)}
.btn-black:hover::before{transform:none}
.btn-black:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn-sm{min-height:44px;padding:0 22px;font-size:14px}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;height:var(--head);border-bottom:1px solid transparent;transition:background-color .35s,border-color .35s}
.site-header.scrolled{background:rgba(0,0,0,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav{height:100%;display:flex;align-items:center;gap:32px}
.brand{position:relative;z-index:3}
.brand img{height:40px;width:auto}
.menu{margin-left:auto;display:flex;align-items:center}
.menu ul{display:flex;gap:34px}
.menu ul a{text-decoration:none;font-size:15px;color:#cfcfcf;position:relative;padding:6px 0}
.menu ul a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.menu ul a:hover{color:var(--white)}
.menu ul a:hover::after{transform:scaleX(1);transform-origin:left}
.menu-cta{display:none}
.burger{display:none;position:relative;z-index:3;width:44px;height:44px;border:1px solid #333;border-radius:50%;background:transparent;cursor:pointer}
.burger span{position:absolute;left:13px;right:13px;height:1.5px;background:var(--white);transition:transform .35s var(--ease),top .35s var(--ease)}
.burger span:first-child{top:17px}
.burger span:last-child{top:25px}
.menu-open .burger span:first-child{top:21px;transform:rotate(45deg)}
.menu-open .burger span:last-child{top:21px;transform:rotate(-45deg)}

/* ==========================================================
   HERO
   ========================================================== */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:calc(var(--head) + 32px) 0 64px;overflow:hidden}
.hero-glow{position:absolute;right:-12%;top:48%;width:min(1000px,95vw);aspect-ratio:1;transform:translateY(-50%);background:radial-gradient(closest-side,rgba(185,244,62,.17),rgba(185,244,62,.05) 55%,rgba(185,244,62,0));pointer-events:none}
.hero-grid{position:relative;width:100%;display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(32px,4vw,64px);align-items:center}
h1{font-size:clamp(44px,6.1vw,92px);line-height:1;letter-spacing:-.05em;margin-bottom:30px}
h1 .line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
h1 .line>span{display:inline-block}
h1 .accent{color:var(--lime)}
.hero-sub{font-size:clamp(20px,1.9vw,25px);line-height:1.35;font-weight:500;letter-spacing:-.015em;margin-bottom:18px}
.hero-offer{font-size:17px;color:#dcdcdc;margin-bottom:6px;padding-left:16px;border-left:2px solid var(--lime)}
.hero-note{font-size:14px;color:var(--text-3);margin:0 0 34px 18px}
.ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero-hint{margin-top:20px;font-size:14px;color:var(--text-3)}

/* Composizione: browser + card ordine + box 3D */
.hero-visual{position:relative}
.stage{position:relative;font-size:clamp(7px,.74vw,10.5px);perspective:1800px;padding:6em 4em 8em 3em}
.browser{position:relative;border-radius:1.4em;overflow:hidden;background:#F3F2EE;color:#111;box-shadow:0 0 0 1px rgba(255,255,255,.08),0 4em 9em -2em rgba(0,0,0,.9),0 0 10em -3em rgba(185,244,62,.35);transform:rotateY(-10deg) rotateX(4deg);transform-origin:60% 50%;backface-visibility:hidden;transition:transform .9s var(--ease);will-change:transform}
.b-bar{display:flex;align-items:center;gap:.6em;height:3.2em;padding:0 1.2em;background:#141414}
.b-bar i{width:.9em;height:.9em;border-radius:50%;background:#3a3a3a}
.b-url{margin:0 auto;transform:translateX(-2em);min-width:40%;text-align:center;font-size:1.05em;color:#9a9a9a;background:#222;border-radius:2em;padding:.25em 1.4em}
.st{font-size:1em;line-height:1.35}
.st-ann{background:#111;color:#e6e6e6;text-align:center;font-size:1em;padding:.55em}
.st-nav{display:flex;align-items:center;gap:2em;padding:1.3em 2.2em;border-bottom:1px solid #e2e0da}
.st-logo{font-size:1.7em;letter-spacing:.18em}
.st-links{display:flex;gap:1.6em;font-size:1.05em;color:#555}
.st-cart{margin-left:auto;font-size:1.05em;display:flex;align-items:center;gap:.5em}
.st-cart em{font-style:normal;display:grid;place-items:center;width:1.6em;height:1.6em;border-radius:50%;background:var(--lime);font-size:.85em;font-weight:700}
.st-hero{display:grid;grid-template-columns:1fr 1fr;margin:1.6em 2.2em 0;border-radius:1.2em;overflow:hidden;background:#111;color:#fff;height:19em}
.st-hero-copy{padding:2.6em 2.4em;display:flex;flex-direction:column;justify-content:center;gap:.9em}
.st-hero-copy small{font-size:1em;color:var(--lime)}
.st-hero-copy b{font-size:2.9em;line-height:.98;letter-spacing:-.04em}
.st-btn{align-self:flex-start;background:#fff;color:#111;border-radius:2em;padding:.65em 1.4em;font-size:1.05em;font-weight:500;margin-top:.4em}
.st-hero-img{background:radial-gradient(circle at 50% 48%,#5a5a56,#2a2a28 45%,#141414 75%);display:grid;place-items:center}
.st-hero-img svg{width:78%;height:78%}
.st-hero-img use{filter:drop-shadow(0 1em 1.4em rgba(0,0,0,.6))}
.st-row-head{display:flex;justify-content:space-between;align-items:baseline;padding:1.8em 2.2em .9em}
.st-row-head b{font-size:1.35em;letter-spacing:-.02em}
.st-row-head span{font-size:1em;color:#666;text-decoration:underline;text-underline-offset:.2em}
.st-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1em;padding:0 2.2em 2.2em}
.st-card{position:relative;font-size:1em}
.st-img{aspect-ratio:1;border-radius:.9em;background:radial-gradient(circle at 50% 38%,#fbfaf7,#e7e5df 70%);display:grid;place-items:center;margin-bottom:.7em}
.st-img svg{width:84%;height:84%}
.st-card b{display:block;font-size:1.05em;font-weight:500}
.st-card>span{display:block;font-size:1em;color:#555}
.st-add{display:inline-block;margin-top:.6em;font-style:normal;font-size:.95em;font-weight:500;padding:.45em 1em;border-radius:2em;background:#111;color:#fff}
.cursor{position:absolute;left:5.2em;bottom:-1.2em;width:2.6em;height:2.6em;filter:drop-shadow(0 .4em .6em rgba(0,0,0,.4));transform-origin:20% 10%}
.cursor svg{width:100%;height:100%}

.order-card{position:absolute;left:0;top:44%;z-index:4;display:flex;align-items:center;gap:1.1em;padding:1.3em 1.8em 1.3em 1.3em;border-radius:1.6em;background:rgba(18,22,14,.55);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);box-shadow:0 2em 4em -1em rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.08);color:#fff;line-height:1.3}
.oc-dot{flex:none;width:3em;height:3em;border-radius:50%;background:var(--lime);display:grid;place-items:center;box-shadow:0 0 2em rgba(185,244,62,.45)}
.order-card strong{display:block;font-size:1.35em}
.order-card small{font-size:1.1em;color:#cfcfcf}

/* ---------- Box 3D EMSi ---------- */
.box-wrap{position:relative;width:var(--bw);height:calc(var(--bh) + 4em);perspective:900px;--bw:13em;--bh:8.6em;--bd:11em}
.box3d{position:absolute;left:0;top:0;width:var(--bw);height:var(--bh);transform-style:preserve-3d;transform:rotateX(-24deg) rotateY(-38deg)}
.bf{position:absolute;left:0;top:0;backface-visibility:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.bf-front,.bf-back{width:var(--bw);height:var(--bh)}
.bf-front{transform:translateZ(calc(var(--bd) / 2));background:
  linear-gradient(90deg,transparent 43%,rgba(0,0,0,.25) 43%,transparent 44%,transparent 56%,rgba(0,0,0,.25) 56%,transparent 57%) top/100% 34% no-repeat,
  linear-gradient(90deg,transparent 43.5%,var(--lime) 43.5%,#d4ff7a 50%,var(--lime-deep) 56.5%,transparent 56.5%) top/100% 34% no-repeat,
  linear-gradient(165deg,#262626,#111 55%,#080808)}
.bf-front img{position:absolute;left:8%;bottom:10%;width:26%;opacity:.55}
.bf-back{transform:rotateY(180deg) translateZ(calc(var(--bd) / 2));background:#0a0a0a}
.bf-right,.bf-left{width:var(--bd);height:var(--bh);left:calc((var(--bw) - var(--bd)) / 2)}
.bf-right{transform:rotateY(90deg) translateZ(calc(var(--bw) / 2));background:linear-gradient(180deg,#141414,#050505)}
.bf-left{transform:rotateY(-90deg) translateZ(calc(var(--bw) / 2));background:linear-gradient(200deg,#1e1e1e,#0b0b0b 70%)}
.bf-top,.bf-bottom{width:var(--bw);height:var(--bd);top:calc((var(--bh) - var(--bd)) / 2)}
.bf-top{transform:rotateX(90deg) translateZ(calc(var(--bh) / 2));background:
  linear-gradient(90deg,transparent 43.5%,var(--lime) 43.5%,#dcff8c 50%,var(--lime-deep) 56.5%,transparent 56.5%),
  linear-gradient(0deg,transparent 49.6%,rgba(0,0,0,.6) 49.6%,rgba(0,0,0,.6) 50.4%,transparent 50.4%),
  linear-gradient(135deg,#343434,#1b1b1b 60%,#121212)}
.bf-bottom{transform:rotateX(-90deg) translateZ(calc(var(--bh) / 2));background:#050505}
.box-shadow{position:absolute;left:5%;right:-5%;bottom:0;height:2.6em;border-radius:50%;background:radial-gradient(closest-side,rgba(0,0,0,.85),rgba(0,0,0,0));filter:blur(4px)}
.hero-box{position:absolute;right:0;bottom:.5em;z-index:5}

/* ==========================================================
   SEZIONI
   ========================================================== */
.sec{position:relative;padding:clamp(88px,11vw,150px) 0;border-top:1px solid var(--line)}
.sec-head{max-width:680px;margin-bottom:clamp(40px,5vw,64px)}
.sec h2,.final h2{font-size:clamp(36px,4.6vw,62px);line-height:1.04;letter-spacing:-.045em;margin-bottom:18px}
.intro{color:var(--text-2);font-size:18px;max-width:48ch}
h3{font-size:20px;line-height:1.3;letter-spacing:-.015em;font-weight:500}

/* Come funziona */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.steps li{position:relative;padding-top:34px}
.steps .bar{position:absolute;left:0;right:0;top:0;height:2px;background:#262626;overflow:hidden}
.steps .bar::after{content:"";position:absolute;inset:0;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease)}
.steps .num{display:block;font-size:15px;font-weight:700;letter-spacing:.08em;color:#4a4a4a;margin-bottom:18px;transition:color .6s}
.steps h3{font-size:19px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;margin-bottom:10px}
.steps p{color:var(--text-2);font-size:16px}
.steps .step-key{padding:34px 24px 26px;margin-top:-1px;border-radius:0 0 18px 18px;background:linear-gradient(180deg,rgba(185,244,62,.08),rgba(185,244,62,0))}
.steps .step-key p{color:#e2e2e2}
.steps.go .bar::after{transform:scaleX(1)}
.steps.go .num{color:var(--white)}
.steps.go .step-key .num{color:var(--lime)}
.steps.go li:nth-child(2) .bar::after,.steps.go li:nth-child(2) .num{transition-delay:.3s}
.steps.go li:nth-child(3) .bar::after,.steps.go li:nth-child(3) .num{transition-delay:.6s}
.steps.go li:nth-child(4) .bar::after,.steps.go li:nth-child(4) .num{transition-delay:.9s}

/* Il modello EMSi */
.model{overflow:hidden;background:linear-gradient(180deg,var(--black),var(--green-night) 45%,var(--black))}
.model-glow{position:absolute;left:50%;top:0;width:min(1100px,110vw);height:520px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(185,244,62,.14),rgba(185,244,62,0));pointer-events:none}
.model-head{position:relative;margin-bottom:clamp(40px,5vw,72px)}
.model-title{font-size:clamp(36px,5vw,72px) !important;line-height:1.04 !important;letter-spacing:-.05em !important;max-width:24ch}
.model-title span{display:block;color:var(--lime)}
.model-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,96px);align-items:start}
.model-copy p{color:var(--text-2);margin-bottom:18px;max-width:46ch}
.model-copy .model-lead{font-size:clamp(20px,1.9vw,24px);line-height:1.4;font-weight:500;color:var(--white);letter-spacing:-.015em}
.model-flow{display:grid;gap:14px;counter-reset:mf}
.model-flow li{position:relative;padding:26px 28px 26px 84px;border:1px solid #1f2419;border-radius:20px;background:linear-gradient(135deg,rgba(185,244,62,.05),rgba(255,255,255,.01));transition:border-color .35s,transform .35s var(--ease)}
.model-flow li:hover{border-color:rgba(185,244,62,.4);transform:translateX(4px)}
.model-flow li::before{counter-increment:mf;content:counter(mf);position:absolute;left:26px;top:26px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:15px;color:#000;background:var(--lime);box-shadow:0 0 24px rgba(185,244,62,.35)}
.model-flow li:not(:last-child)::after{content:"";position:absolute;left:44px;top:70px;bottom:-16px;width:2px;background:linear-gradient(var(--lime),rgba(185,244,62,0));opacity:.5}
.mf-k{display:block;font-size:13px;color:var(--lime);margin-bottom:4px}
.model-flow h3{font-size:21px;font-weight:700;letter-spacing:-.02em;margin-bottom:6px}
.model-flow p{color:var(--text-2);font-size:15px}

/* Cosa facciamo */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{position:relative;padding:36px 34px 38px;min-height:320px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:26px;background:radial-gradient(120% 90% at 100% 0%,rgba(185,244,62,.06),rgba(0,0,0,0) 55%),var(--surface);overflow:hidden;transition:border-color .4s,transform .5s var(--ease),box-shadow .5s}
.card:hover{border-color:rgba(185,244,62,.35);transform:translateY(-4px);box-shadow:0 30px 60px -30px rgba(185,244,62,.25)}
.card h3{margin-top:auto;font-size:clamp(26px,2.6vw,34px);font-weight:700;letter-spacing:-.04em;margin-bottom:10px}
.card p{color:var(--text-2);max-width:34ch}
.card-art{height:120px;margin-bottom:28px;position:relative}
.art-design i{position:absolute;top:20px;width:74px;height:74px;border-radius:50%;box-shadow:0 12px 30px rgba(0,0,0,.5)}
.art-design i:nth-child(1){left:0;background:#141414;border:1px solid #2c2c2c}
.art-design i:nth-child(2){left:46px;background:#f3f2ee}
.art-design i:nth-child(3){left:92px;background:var(--lime)}
.art-design b{position:absolute;left:190px;top:28px;font-size:52px;line-height:1;letter-spacing:-.04em;color:#2d2d2d;transition:color .4s}
.card:hover .art-design b{color:var(--white)}
.art-shopify{width:200px;border:1px solid #2a2a2a;border-radius:14px;background:#111;padding:16px;height:auto}
.art-shopify span{display:block;height:8px;border-radius:4px;background:#2a2a2a;margin-bottom:10px}
.art-shopify span:nth-child(1){width:60%}
.art-shopify span:nth-child(2){width:85%}
.art-shopify span:nth-child(3){width:45%}
.art-shopify em{display:block;height:24px;width:90px;border-radius:12px;background:var(--lime);margin-top:6px;transition:width .5s var(--ease)}
.card:hover .art-shopify em{width:130px}
.art-launch{display:flex;align-items:center;gap:16px}
.art-launch .sw{position:relative;width:96px;height:52px;border-radius:30px;background:#1a1a1a;border:1px solid #2c2c2c;transition:background .4s}
.art-launch .sw i{position:absolute;left:5px;top:5px;width:40px;height:40px;border-radius:50%;background:#555;transition:transform .5s var(--ease),background .4s}
.art-launch b{font-size:18px;color:#555;transition:color .4s}
.card:hover .art-launch .sw,.card.in .art-launch .sw{background:rgba(185,244,62,.18)}
.card:hover .art-launch .sw i,.card.in .art-launch .sw i{transform:translateX(44px);background:var(--lime);box-shadow:0 0 20px rgba(185,244,62,.6)}
.card:hover .art-launch b,.card.in .art-launch b{color:var(--lime)}
.card.in .art-launch .sw i{transition-delay:.6s}
.mini-box{--bw:8.5em;--bh:5.6em;--bd:7.2em;font-size:12px;margin-left:10px}

/* Per chi è */
.who{background:var(--black)}
.who-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,6vw,96px);align-items:end}
.who h2{margin-bottom:0}
.who h2 span{display:block;color:var(--lime)}
.who p{color:var(--text-2);font-size:19px;max-width:44ch}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(32px,6vw,96px);align-items:start}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;position:relative;padding:24px 52px 24px 0;font-size:clamp(17px,1.7vw,20px);font-weight:500;letter-spacing:-.01em;transition:color .25s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--lime)}
.faq summary::after{content:"";position:absolute;right:4px;top:50%;width:14px;height:14px;margin-top:-7px;background:linear-gradient(var(--lime),var(--lime)) center/100% 2px no-repeat,linear-gradient(var(--lime),var(--lime)) center/2px 100% no-repeat;transition:transform .35s var(--ease)}
.faq details[open] summary::after{transform:rotate(135deg)}
.ans{overflow:hidden}
.ans p{padding:0 0 26px;color:#cfcfcf;max-width:62ch}

/* Finale */
.final{position:relative;background:var(--lime);color:var(--black);padding:clamp(88px,11vw,150px) 0;overflow:hidden}
.final-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.final h2{font-size:clamp(46px,7vw,100px);line-height:.98;letter-spacing:-.055em;margin-bottom:14px}
.final-sub{font-size:clamp(20px,2vw,26px);font-weight:500;letter-spacing:-.015em;margin-bottom:36px}
.final-note{margin-top:18px;font-size:15px}
.final-art{display:flex;justify-content:center}
.final-box{font-size:clamp(12px,1.3vw,18px)}
.final-box .box-shadow{background:radial-gradient(closest-side,rgba(0,0,0,.45),rgba(0,0,0,0))}

/* Footer */
.site-footer{padding:48px 0 calc(48px + env(safe-area-inset-bottom,0px));color:var(--text-3);font-size:14px}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.foot img{height:34px;width:auto}
.foot ul{display:flex;gap:28px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--white)}
.mbar{display:none}

/* ==========================================================
   ANIMAZIONI (attive solo con JavaScript)
   ========================================================== */
.js h1 .line>span{transform:translateY(105%);animation:rise 1s var(--ease) forwards}
.js h1 .line:nth-child(2)>span{animation-delay:.14s}
.js .fade{opacity:0;animation:fadeup .9s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes rise{to{transform:none}}
@keyframes fadeup{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.js .order-card{animation:floatA 7s ease-in-out 1.2s infinite}
.js .hero-box .box3d,.js .final-box .box3d{animation:boxFloat 6.5s ease-in-out infinite}
.js .hero-box .box-shadow,.js .final-box .box-shadow{animation:shadowPulse 6.5s ease-in-out infinite}
.js .cursor{animation:cursorTap 5s var(--ease) 2s infinite}
.js .st-card:first-child .st-add{animation:btnTap 5s var(--ease) 2s infinite}
@keyframes floatA{0%,100%{transform:translateY(0)}50%{transform:translateY(-.9em)}}
@keyframes boxFloat{0%,100%{transform:translateY(0) rotateX(-24deg) rotateY(-38deg)}50%{transform:translateY(-.8em) rotateX(-24deg) rotateY(-32deg)}}
@keyframes shadowPulse{0%,100%{opacity:1;transform:scaleX(1)}50%{opacity:.65;transform:scaleX(.88)}}
@keyframes cursorTap{0%,60%,100%{transform:translate(0,0)}68%{transform:translate(-.3em,-.3em) scale(.9)}76%{transform:translate(0,0)}}
@keyframes btnTap{0%,66%,100%{background:#111}70%,80%{background:var(--lime);color:#111}}

.js [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--rd,0s)}
.js [data-reveal].in{opacity:1;transform:none}
.js .card[data-reveal].in:hover{transform:translateY(-4px)}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .hero{min-height:auto}
  .stage{font-size:clamp(6px,1.3vw,10px);max-width:820px;margin:0 auto;padding:4em 3em 7em 2em}
  .steps{grid-template-columns:1fr 1fr;gap:44px 24px}
  .model-grid{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  :root{--head:64px}
  .brand img{height:32px}
  .head-cta{margin-left:auto}
  .burger{display:block}
  .menu{position:fixed;inset:0;z-index:2;margin:0;flex-direction:column;align-items:flex-start;justify-content:center;gap:40px;padding:96px var(--pad) 48px;background:rgba(0,0,0,.97);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
  .menu ul{flex-direction:column;gap:6px}
  .menu ul a{display:block;font-size:34px;font-weight:700;letter-spacing:-.04em;color:var(--white);padding:6px 0}
  .menu ul a::after{display:none}
  .menu-cta{display:inline-flex;width:100%}
  .menu-open .menu{opacity:1;visibility:visible}
  .menu-open .head-cta{visibility:hidden}
  .menu-open{overflow:hidden}
  .hero{padding:calc(var(--head) + 28px) 0 40px}
  .hero-glow{right:auto;left:50%;top:auto;bottom:0;transform:translateX(-50%)}
  .stage{font-size:clamp(5px,1.55vw,9px);padding:3em 1em 6em}
  .browser{transform:none}
  .order-card{left:-.5em;top:auto;bottom:3em}
  .hero-box{right:-.5em;bottom:0;font-size:.8em}
  .cursor{display:none}
  .cards{grid-template-columns:1fr}
  .card{min-height:0}
  .final-grid{grid-template-columns:1fr}
  .final-art{justify-content:center;margin-top:24px;padding-left:40px}
  .final-box{font-size:11px}
  body{padding-bottom:84px}
  .mbar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:40;padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));background:rgba(0,0,0,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .45s var(--ease)}
  .mbar.show{transform:none}
  .mbar .btn{width:100%}
  .js .order-card,.js .cursor{animation:none}
}
@media (max-width:560px){
  body{font-size:16px}
  .head-cta{display:none}
  .burger{margin-left:auto}
  h1{font-size:clamp(40px,11.5vw,56px)}
  .ctas .btn{flex:1 1 100%}
  .stage{font-size:1.9vw;padding:2em 0 5em}
  .st-links{display:none}
  .st-grid{grid-template-columns:repeat(2,1fr)}
  .st-card:nth-child(n+3){display:none}
  .st-hero{height:17em}
  .order-card{font-size:1.25em;left:.5em;bottom:2.5em}
  .hero-box{font-size:1em;right:.5em}
  .steps{grid-template-columns:1fr}
  .model-flow li{padding:22px 20px 22px 72px}
  .model-flow li::before{left:18px;top:22px}
  .model-flow li:not(:last-child)::after{left:36px;top:66px}
  .card{padding:28px 24px 30px}
  .art-design b{left:170px}
  .foot{flex-direction:column;align-items:flex-start}
}

/* Rispetta chi ha scelto di ridurre le animazioni */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .js h1 .line>span,.js .fade,.js [data-reveal]{opacity:1;transform:none}
}