/* BrioMES — landing. Antracite + verde lime, font di sistema, nessuna risorsa remota. */
:root {
  --fondo: #0d1519;
  --fondo-2: #121c21;
  --carta: #17232a;
  --linea: #25343c;
  --testo: #e8eef0;
  --tenue: #9fb0b7;
  --lime: #7ed321;
  --lime-scuro: #5fa817;
  --raggio: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--fondo); color: var(--testo); font: 400 1.0625rem/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; }
a { color: var(--lime); }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 4px; }
.salta { position: absolute; left: -999px; top: 8px; background: var(--lime); color: #0d1519; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.salta:focus { left: 8px; }
em { font-style: normal; color: var(--lime); }

/* testata */
.testata { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px clamp(16px, 4vw, 48px); transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.testata.solida { background: rgba(13, 21, 25, .85); backdrop-filter: blur(12px); border-color: var(--linea); }
.marchio { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font-weight: 800; font-size: 1.35rem; letter-spacing: -.02em; }
.marchio img { border-radius: 8px; }
.marchio b { color: var(--lime); margin-left: 2px; }
.testata nav { display: flex; align-items: center; gap: clamp(12px, 2.4vw, 28px); }
.testata nav a:not(.bottone) { color: var(--tenue); text-decoration: none; font-size: .95rem; transition: color .2s; }
.testata nav a:not(.bottone):hover { color: #fff; }

/* bottoni */
.bottone { display: inline-block; background: var(--lime); color: #0d1519; font-weight: 700; text-decoration: none; padding: 14px 26px; border-radius: 999px; border: 0; cursor: pointer; font-family: inherit; font-size: 1rem; transition: transform .2s, box-shadow .2s, background .2s; box-shadow: 0 0 0 0 rgba(126, 211, 33, .5); }
.bottone:hover { background: #93e53a; box-shadow: 0 8px 32px -6px rgba(126, 211, 33, .55); }
.bottone.piccolo { padding: 9px 18px; font-size: .92rem; }
.bottone.grande { padding: 17px 38px; font-size: 1.1rem; }
.bottone.secondario { background: transparent; color: var(--testo); border: 1px solid var(--linea); box-shadow: none; }
.bottone.secondario:hover { border-color: var(--lime); color: var(--lime); background: transparent; }
.bottone[disabled] { opacity: .6; cursor: progress; }

/* sezioni */
.sezione { padding: clamp(72px, 11vw, 140px) clamp(20px, 6vw, 80px); position: relative; }
.sezione.scura { background: var(--fondo-2); }
.sezione > * { max-width: 1160px; margin-inline: auto; }
.intestazione { margin-bottom: clamp(36px, 5vw, 64px); }
.occhiello { color: var(--lime); text-transform: uppercase; letter-spacing: .16em; font-size: .8rem; font-weight: 700; margin: 0 0 14px; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -.025em; margin: 0; }
h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.lead { color: var(--tenue); font-size: 1.2rem; max-width: 56ch; margin: 18px 0 0; }

/* hero */
.hero { min-height: min(100svh, 980px); display: grid; align-content: center; gap: 56px; padding: 130px clamp(20px, 6vw, 80px) 80px; position: relative; overflow: hidden; background: radial-gradient(900px 500px at 78% 22%, rgba(126, 211, 33, .13), transparent 60%), var(--fondo); }
.hero > * { position: relative; z-index: 1; max-width: 1160px; width: 100%; margin-inline: auto; }
.hero h1 { font-size: clamp(2.5rem, 7.4vw, 5.6rem); font-weight: 800; max-width: 15ch; }
.sottotitolo { color: var(--tenue); font-size: clamp(1.1rem, 2vw, 1.4rem); max-width: 54ch; margin: 26px 0 36px; }
.azioni { display: flex; flex-wrap: wrap; gap: 14px; }
.rombi { position: absolute !important; inset: 0; z-index: 0 !important; max-width: none !important; pointer-events: none; opacity: .9; }
.rombo { position: absolute; width: var(--s); height: var(--s); border-radius: 22%; background: var(--c); transform: rotate(45deg); animation: fluttua var(--d) ease-in-out infinite alternate; animation-delay: var(--r); will-change: transform; }
@keyframes fluttua { from { transform: rotate(45deg) translate3d(0, 0, 0) scale(1); } to { transform: rotate(45deg) translate3d(var(--dx), var(--dy), 0) scale(1.12); } }

.hero-flusso { border: 1px solid var(--linea); border-radius: var(--raggio); padding: 22px 26px; background: rgba(23, 35, 42, .6); backdrop-filter: blur(8px); }
.pista { height: 4px; background: var(--linea); border-radius: 4px; position: relative; margin: 10px 0 18px; overflow: visible; }
.pezzo { position: absolute; top: 50%; width: 16px; height: 16px; margin-top: -8px; background: var(--lime); border-radius: 4px; transform: rotate(45deg); animation: scorre 6s linear infinite; box-shadow: 0 0 18px rgba(126, 211, 33, .8); }
.pezzo:nth-child(2) { animation-delay: -2s; }
.pezzo:nth-child(3) { animation-delay: -4s; }
@keyframes scorre { from { left: -2%; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } to { left: 100%; opacity: 0; } }
.hero-flusso ul { list-style: none; display: flex; justify-content: space-between; margin: 0; padding: 0; color: var(--tenue); font-size: .9rem; font-weight: 600; }

/* confronto */
.confronto { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: stretch; }
.confronto article { border-radius: var(--raggio); padding: 32px; border: 1px solid var(--linea); background: var(--carta); }
.confronto .prima { opacity: .85; }
.confronto .prima li::marker { content: "✕  "; color: #e5645a; }
.confronto .dopo { border-color: rgba(126, 211, 33, .5); box-shadow: 0 0 60px -20px rgba(126, 211, 33, .45); }
.confronto .dopo li::marker { content: "✓  "; color: var(--lime); font-weight: 800; }
.confronto ul { padding-left: 1.4em; margin: 18px 0 0; display: grid; gap: 12px; }
.freccia { align-self: center; font-size: 2.4rem; color: var(--lime); }

/* timeline */
.timeline { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; position: relative; counter-reset: x; }
.timeline::before { content: ""; position: absolute; left: 20px; right: 20px; top: 22px; height: 3px; background: var(--linea); }
.timeline::after { content: ""; position: absolute; left: 20px; top: 22px; height: 3px; width: calc((100% - 40px) * var(--avanza, 0)); background: var(--lime); box-shadow: 0 0 14px var(--lime); transition: width .15s linear; }
.timeline li { position: relative; padding-top: 64px; }
.timeline .num { position: absolute; top: 0; left: 0; width: 44px; height: 44px; border-radius: 12px; background: var(--fondo-2); border: 2px solid var(--linea); color: var(--tenue); display: grid; place-items: center; font-weight: 800; z-index: 1; transition: .3s; }
.timeline li.attivo .num { border-color: var(--lime); color: #0d1519; background: var(--lime); }
.timeline p { color: var(--tenue); font-size: .98rem; margin: 0; }

/* schede */
.griglia { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.scheda { position: relative; padding: 30px; border-radius: var(--raggio); background: var(--carta); border: 1px solid var(--linea); overflow: hidden; transition: transform .25s, border-color .25s; }
.scheda::before { content: ""; position: absolute; inset: 0; background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(126, 211, 33, .16), transparent 70%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.scheda:hover { transform: translateY(-4px); border-color: rgba(126, 211, 33, .5); }
.scheda:hover::before { opacity: 1; }
.scheda p { color: var(--tenue); margin: 0; }
.ico { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: rgba(126, 211, 33, .12); color: var(--lime); font-size: 1.5rem; margin-bottom: 18px; }

/* reparto + tablet */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.spunte { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.spunte li { padding-left: 32px; position: relative; }
.spunte li::before { content: "✓"; position: absolute; left: 0; color: #0d1519; background: var(--lime); width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; font-weight: 900; top: 3px; }
.tablet { background: #05090b; border: 2px solid #2b3b43; border-radius: 28px; padding: 18px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 80px -30px rgba(126, 211, 33, .4); transform: perspective(1200px) rotateY(-8deg) rotateX(3deg); transition: transform .5s; }
.tablet:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.schermo { background: var(--fondo-2); border-radius: 16px; padding: 24px; display: grid; gap: 14px; }
.tb-riga { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; background: var(--carta); border-radius: 10px; font-size: .95rem; }
.tb-riga span { color: var(--tenue); }
.tb-barra { height: 10px; background: var(--linea); border-radius: 10px; overflow: hidden; }
.tb-barra i { display: block; height: 100%; width: 0; background: var(--lime); transition: width 1.6s ease; }
.tb-bottone { font: 800 1.4rem var(--font); padding: 22px; border: 0; border-radius: 14px; background: var(--lime); color: #0d1519; cursor: pointer; transition: transform .15s, background .3s; }
.tb-bottone:active { transform: scale(.97); }
.tb-bottone.fatto { background: #2f7d32; color: #fff; }
.tb-esito { margin: 0; min-height: 1.6em; text-align: center; color: var(--lime); font-weight: 700; }

/* numeri */
.numeri { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; }
.numeri > div { padding: 30px; border: 1px solid var(--linea); border-radius: var(--raggio); background: var(--carta); }
.numeri b { display: block; font-size: clamp(3rem, 6vw, 4.6rem); font-weight: 800; color: var(--lime); line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.numeri small { font-size: .4em; margin-left: 4px; letter-spacing: 0; }
.numeri p { color: var(--tenue); margin: 12px 0 0; }

/* passi */
.passi { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.passi li { padding: 30px; border-left: 3px solid var(--lime); background: var(--carta); border-radius: 0 var(--raggio) var(--raggio) 0; }
.passi span { color: var(--lime); font-weight: 800; font-size: 2.4rem; letter-spacing: -.04em; display: block; margin-bottom: 8px; }
.passi p { color: var(--tenue); margin: 0; }

/* contatti */
.contatti { background: radial-gradient(800px 400px at 50% 100%, rgba(126, 211, 33, .12), transparent 70%), var(--fondo); }
.modulo { max-width: 760px !important; display: grid; gap: 22px; padding: clamp(24px, 4vw, 44px); background: var(--carta); border: 1px solid var(--linea); border-radius: 24px; }
.riga { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.campo { display: grid; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.campo > label, legend { font-weight: 600; font-size: .95rem; padding: 0; }
input[type=text], input[type=email], input[type=tel], textarea { width: 100%; font: inherit; color: var(--testo); background: var(--fondo); border: 1px solid #34464f; border-radius: 12px; padding: 14px 16px; transition: border-color .2s, box-shadow .2s; }
input:hover, textarea:hover { border-color: #4a606b; }
input:focus-visible, textarea:focus-visible { outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgba(126, 211, 33, .3); }
[aria-invalid=true] { border-color: #ff7b72 !important; }
.errore { color: #ff9a93; font-size: .9rem; margin: 0; }
.dimensione { display: flex; flex-wrap: wrap; gap: 10px; }
.dimensione legend { width: 100%; margin-bottom: 10px; float: left; }
.dimensione label { cursor: pointer; }
.dimensione input { position: absolute; opacity: 0; }
.dimensione span { display: inline-block; padding: 10px 20px; border: 1px solid #34464f; border-radius: 999px; transition: .2s; }
.dimensione input:checked + span { background: var(--lime); color: #0d1519; border-color: var(--lime); font-weight: 700; }
.dimensione input:focus-visible + span { outline: 3px solid var(--lime); outline-offset: 3px; }
.consenso label { display: flex; gap: 12px; align-items: flex-start; font-weight: 400; color: var(--tenue); font-size: .92rem; }
.consenso input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--lime); flex: none; }
.trappola { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.esito { margin: 0; min-height: 1.6em; font-weight: 600; outline: none; }
.esito.ok { color: var(--lime); font-size: 1.15rem; }
.esito.ko { color: #ff9a93; }

/* piede */
.piede { padding: 56px 20px; text-align: center; border-top: 1px solid var(--linea); color: var(--tenue); display: grid; gap: 8px; justify-items: center; }
.piede img { mix-blend-mode: lighten; width: 200px; height: auto; }
.piede p { margin: 0; }
.piccolo-testo { font-size: .85rem; max-width: 70ch; }

/* animazioni allo scroll */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--ritardo, 0ms); }
.js .reveal.visto { opacity: 1; transform: none; }

/* adattamento */
@media (max-width: 900px) {
  .testata nav a:not(.bottone) { display: none; }
  .split { grid-template-columns: 1fr; }
  .confronto { grid-template-columns: 1fr; }
  .freccia { transform: rotate(90deg); justify-self: center; }
  .timeline { grid-template-columns: 1fr; gap: 28px; }
  .timeline::before, .timeline::after { left: 21px; right: auto; top: 20px; bottom: 20px; width: 3px; height: auto; }
  .timeline::after { height: calc((100% - 40px) * var(--avanza, 0)); width: 3px; }
  .timeline li { padding: 4px 0 0 68px; }
  .tablet { transform: none; }
  .riga { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .hero-flusso ul { font-size: .72rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}