/* Lynxbit — tema «Segnale»: notte, fibre di luce, blu e rosso del logo. Font in locale, niente da fuori. */
@import url("/font/font.css");

:root {
  --notte: #030622;
  --notte2: #060c36;
  --pannello: #0a1246;
  --blu: #0000c3;          /* blu del logo */
  --blu-luce: #3653ff;
  --azzurro: #8fb0ff;
  --rosso: #ff3446;        /* rosso del logo, acceso */
  --rosso-scuro: #df1c2d;
  --testo: #eef1ff;
  --tenue: #a7b1df;
  --linea: rgba(143, 176, 255, .16);
  --raggio: 18px;
  --titoli: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --corpo: "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--notte); color: var(--testo); font: 400 17px/1.65 var(--corpo); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azzurro); }
h1, h2, h3 { font-family: var(--titoli); line-height: 1.1; margin: 0; letter-spacing: -.02em; }
p { margin: 0 0 1em; }
.box { width: min(1200px, 100% - 32px); margin: 0 auto; }
section { padding: 110px 0; position: relative; }
@media (max-width: 700px) { section { padding: 72px 0; } body { font-size: 16px; } }

/* ------------------------------------------------ barra */
header { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
header.scorso, .senza-js header { background: rgba(3, 6, 34, .82); backdrop-filter: blur(14px); border-color: var(--linea); }
header .box { display: flex; align-items: center; gap: 28px; height: 74px; }
.marchio img { height: 34px; width: auto; }
nav { display: flex; gap: 26px; margin-left: auto; }
nav a { color: var(--tenue); text-decoration: none; font-weight: 500; font-size: 15px; position: relative; padding: 4px 0; }
nav a:hover, nav a.qui { color: #fff; }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px; background: var(--rosso); transition: right .25s; }
nav a:hover::after { right: 0; }
button.menu { display: none; margin-left: auto; background: none; border: 1px solid var(--linea); color: #fff; font-size: 22px; width: 46px; height: 42px; border-radius: 10px; cursor: pointer; }
@media (max-width: 900px) {
  header .box > .bottone { display: none; }
  button.menu { display: block; }
  nav { position: fixed; inset: 74px 0 auto; flex-direction: column; gap: 0; background: rgba(3, 6, 34, .97); border-bottom: 1px solid var(--linea); padding: 8px 16px 18px; transform: translateY(-130%); transition: transform .3s; margin: 0; }
  nav.aperto { transform: none; }
  nav a { padding: 14px 4px; font-size: 18px; border-bottom: 1px solid var(--linea); }
}

/* ------------------------------------------------ bottoni */
.bottone { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; color: #fff; border: 1px solid var(--linea); transition: transform .2s, box-shadow .2s, background .2s; white-space: nowrap; }
.bottone:hover { transform: translateY(-2px); }
.bottone.pieno { background: linear-gradient(135deg, var(--rosso), var(--rosso-scuro)); border-color: transparent; box-shadow: 0 10px 30px -10px rgba(255, 52, 70, .7); }
.bottone.pieno:hover { box-shadow: 0 16px 40px -10px rgba(255, 52, 70, .9); }
.bottone.blu { background: linear-gradient(135deg, var(--blu-luce), var(--blu)); border-color: transparent; box-shadow: 0 10px 30px -10px rgba(54, 83, 255, .8); }
.bottone.vuoto:hover { border-color: var(--azzurro); background: rgba(143, 176, 255, .08); }
header .bottone { padding: 10px 18px; font-size: 15px; }

/* ------------------------------------------------ apertura */
.apertura { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 120px 0 90px; overflow: hidden;
  background: radial-gradient(1000px 600px at 78% 50%, rgba(0, 0, 195, .55), transparent 70%), radial-gradient(700px 500px at 0% 100%, rgba(223, 28, 45, .16), transparent 70%), var(--notte); }
canvas.fibre { position: absolute; inset: 0; width: 100%; height: 100%; }
.apertura .box { position: relative; z-index: 2; }
.apertura .contenuto { max-width: 690px; }
.etichetta { display: inline-flex; align-items: center; gap: 10px; font: 500 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--azzurro); padding: 9px 14px; border: 1px solid var(--linea); border-radius: 999px; background: rgba(6, 12, 54, .6); }
.etichetta i { width: 8px; height: 8px; border-radius: 50%; background: var(--rosso); box-shadow: 0 0 0 0 rgba(255, 52, 70, .7); animation: battito 2s infinite; }
@keyframes battito { 70% { box-shadow: 0 0 0 10px rgba(255, 52, 70, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 52, 70, 0); } }
.apertura .logo { width: min(520px, 100%); margin: 34px 0 30px; filter: drop-shadow(0 8px 40px rgba(54, 83, 255, .35)); }
.apertura h1 { font-size: clamp(40px, 6.4vw, 78px); font-weight: 700; }
.apertura h1 em { font-style: normal; background: linear-gradient(90deg, #fff, var(--azzurro) 40%, var(--rosso)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.apertura p { font-size: clamp(17px, 1.6vw, 20px); color: var(--tenue); margin: 24px 0 34px; max-width: 600px; }
.azioni { display: flex; flex-wrap: wrap; gap: 14px; }
.scendi { position: absolute; left: 50%; bottom: 26px; width: 26px; height: 42px; border: 2px solid var(--linea); border-radius: 14px; transform: translateX(-50%); z-index: 2; }
.scendi::after { content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--rosso); animation: scendi 1.8s infinite; }
@keyframes scendi { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ------------------------------------------------ fascia scorrevole delle tecnologie */
.nastro { border-block: 1px solid var(--linea); background: var(--notte2); overflow: hidden; padding: 18px 0; }
.nastro .scorre { display: flex; width: max-content; animation: nastro 38s linear infinite; }
.nastro span { font: 600 15px/1 var(--mono); letter-spacing: .14em; color: var(--tenue); padding: 0 26px; white-space: nowrap; display: flex; align-items: center; gap: 52px; }
.nastro span::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--rosso); }
@keyframes nastro { to { transform: translateX(-50%); } }

/* ------------------------------------------------ titoli di sezione */
.titolo { max-width: 760px; margin-bottom: 56px; }
.titolo .sigla { font: 500 14px/1 var(--mono); color: var(--rosso); letter-spacing: .06em; display: block; margin-bottom: 18px; }
.titolo h2 { font-size: clamp(32px, 4.4vw, 54px); font-weight: 700; }
.titolo p { color: var(--tenue); font-size: 18px; margin-top: 18px; }
.segnale { display: block; height: 3px; width: 120px; margin-top: 22px; border-radius: 3px; background: linear-gradient(90deg, var(--blu-luce), var(--rosso)); position: relative; }
.segnale::after { content: ""; position: absolute; right: -5px; top: -4px; width: 11px; height: 11px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 3px var(--rosso), 0 0 16px var(--rosso); }

/* ------------------------------------------------ schede tecnologie */
.griglia { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
/* 5 schede su PC: 3 sopra e 2 più larghe sotto, senza buchi */
@media (min-width: 1000px) {
  .griglia.cinque { grid-template-columns: repeat(6, 1fr); }
  .griglia.cinque > * { grid-column: span 2; }
  .griglia.cinque > :nth-child(n+4) { grid-column: span 3; }
}
.tec { position: relative; padding: 32px 30px 30px; border-radius: var(--raggio); background: linear-gradient(160deg, rgba(10, 18, 70, .95), rgba(5, 9, 40, .95)); border: 1px solid var(--linea); overflow: hidden; transition: transform .3s, border-color .3s; scroll-margin-top: 100px; }
.tec::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(140deg, var(--blu-luce), transparent 40%, transparent 60%, var(--rosso)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .3s; }
.tec:hover { transform: translateY(-6px); }
.tec:hover::before, .tec:target::before { opacity: 1; }
.tec .testa { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.tec .icona { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--blu-luce), var(--blu)); box-shadow: 0 10px 30px -8px rgba(54, 83, 255, .8); }
.tec .icona svg { width: 28px; height: 28px; stroke: #fff; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tec .sigla { font: 600 13px/1 var(--mono); letter-spacing: .1em; color: var(--azzurro); border: 1px solid var(--linea); padding: 7px 10px; border-radius: 8px; }
.tec h3 { font-size: 25px; margin-bottom: 12px; }
.tec p { color: var(--tenue); font-size: 16px; margin: 0; }
.tec.telefono .icona { background: linear-gradient(135deg, var(--rosso), var(--rosso-scuro)); box-shadow: 0 10px 30px -8px rgba(255, 52, 70, .7); }

/* misuratore di velocità nella scheda */
.tec { display: flex; flex-direction: column; }
.tec:not(.telefono) p { margin-bottom: 24px; }
.velocita { margin-top: auto; padding-top: 20px; border-top: 1px dashed var(--linea); }
.velocita .riga { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; color: var(--tenue); margin-bottom: 9px; }
.velocita b { font: 700 22px/1 var(--titoli); color: #fff; }
.velocita b small { font-size: 14px; color: var(--azzurro); margin-left: 3px; }
.barra { height: 8px; border-radius: 8px; background: rgba(143, 176, 255, .12); overflow: hidden; }
.barra i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--blu-luce), var(--azzurro) 70%, #fff); box-shadow: 0 0 14px rgba(143, 176, 255, .8); transition: width 1.6s cubic-bezier(.2, .8, .2, 1); }
.visto .barra i, .senza-js .barra i { width: var(--v); }
.nota { font-size: 13px; color: var(--tenue); margin-top: 22px; opacity: .8; }

/* ------------------------------------------------ telefonia */
.telefonia { background: linear-gradient(180deg, var(--notte), var(--notte2) 30%, var(--notte2) 70%, var(--notte)); overflow: hidden; }
.onde { position: absolute; right: -180px; top: 50%; width: 620px; height: 620px; transform: translateY(-50%); pointer-events: none; opacity: .55; }
.onde span { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--rosso); opacity: 0; animation: onda 6s linear infinite; }
.onde span:nth-child(2) { animation-delay: 2s; }
.onde span:nth-child(3) { animation-delay: 4s; }
@keyframes onda { 0% { transform: scale(.15); opacity: .9; } 100% { transform: scale(1); opacity: 0; } }

/* ------------------------------------------------ come lavoriamo */
.passi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; counter-reset: passo; }
.passi::before { content: ""; position: absolute; left: 4%; right: 4%; top: 31px; height: 2px; background: linear-gradient(90deg, var(--blu-luce), var(--rosso)); opacity: .5; }
.passo { position: relative; padding-top: 86px; }
.passo::before { counter-increment: passo; content: "0" counter(passo); position: absolute; top: 0; left: 0; width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; font: 700 20px/1 var(--titoli); background: var(--notte); border: 2px solid var(--blu-luce); box-shadow: 0 0 0 8px var(--notte), 0 0 30px rgba(54, 83, 255, .5); }
.passo:last-child::before { border-color: var(--rosso); box-shadow: 0 0 0 8px var(--notte), 0 0 30px rgba(255, 52, 70, .5); }
.passo h3 { font-size: 21px; margin-bottom: 10px; }
.passo p { color: var(--tenue); font-size: 15.5px; margin: 0; }
@media (max-width: 900px) {
  .passi { grid-template-columns: 1fr; gap: 34px; }
  .passi::before { left: 31px; right: auto; top: 10px; bottom: 10px; width: 2px; height: auto; background: linear-gradient(180deg, var(--blu-luce), var(--rosso)); }
  .passo { padding: 4px 0 0 92px; min-height: 64px; }
}

/* ------------------------------------------------ azienda */
.azienda .box { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.azienda .testo p { color: var(--tenue); font-size: 18px; }
.azienda .testo p b { color: #fff; font-weight: 600; }
.punti { display: grid; gap: 16px; }
.punto { display: flex; gap: 18px; align-items: flex-start; padding: 22px 24px; border-radius: var(--raggio); border: 1px solid var(--linea); background: rgba(10, 18, 70, .55); }
.punto b { font: 700 15px/1 var(--mono); color: var(--rosso); padding-top: 5px; }
.punto h3 { font-size: 19px; margin-bottom: 6px; }
.punto p { color: var(--tenue); font-size: 15.5px; margin: 0; }
@media (max-width: 900px) { .azienda .box { grid-template-columns: 1fr; gap: 40px; } }

/* ------------------------------------------------ fascia copertura */
.copertura { padding: 30px 0 110px; }
.copertura .fascia { position: relative; overflow: hidden; border-radius: 26px; padding: 56px 56px; display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap;
  background: radial-gradient(600px 300px at 100% 0%, rgba(255, 52, 70, .5), transparent 70%), linear-gradient(120deg, var(--blu) 0%, #11118f 60%, #2a0a3e 100%); box-shadow: 0 30px 80px -30px rgba(0, 0, 195, .8); }
.copertura .fascia::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .16) 1px, transparent 1px); background-size: 22px 22px; mask-image: linear-gradient(90deg, transparent, #000); }
.copertura .fascia > * { position: relative; }
.copertura h2 { font-size: clamp(28px, 3.4vw, 42px); max-width: 620px; }
.copertura p { color: #dfe4ff; margin: 14px 0 0; max-width: 600px; font-size: 18px; }
.copertura .bottone.vuoto { border-color: rgba(255, 255, 255, .4); }
@media (max-width: 700px) { .copertura .fascia { padding: 36px 24px; } .copertura { padding-bottom: 72px; } }

/* ------------------------------------------------ contatti */
.contatti { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.contatto { display: block; padding: 28px 26px; border-radius: var(--raggio); border: 1px solid var(--linea); background: linear-gradient(160deg, rgba(10, 18, 70, .9), rgba(5, 9, 40, .9)); text-decoration: none; color: var(--testo); transition: transform .25s, border-color .25s; }
.contatto:hover { transform: translateY(-4px); border-color: var(--blu-luce); }
.contatto small { display: block; font: 500 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--rosso); margin-bottom: 14px; }
.contatto div { font: 600 clamp(18px, 1.8vw, 22px)/1.3 var(--titoli); }
.contatto div.email { font-size: clamp(16px, 1.5vw, 19px); white-space: nowrap; }

/* ------------------------------------------------ piè di pagina */
footer { border-top: 1px solid var(--linea); padding: 50px 0 40px; background: #02041a; }
footer .box { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; }
footer img { height: 30px; width: auto; }
footer .legale { font-size: 13.5px; color: var(--tenue); line-height: 1.8; flex: 1; min-width: 260px; }
footer .legale b { color: #fff; }
footer .legale a { color: var(--tenue); }
footer .legale a:hover { color: #fff; }

/* ------------------------------------------------ pagine interne (privacy, 404) */
.testata { padding: 150px 0 50px; background: radial-gradient(900px 400px at 80% 0%, rgba(0, 0, 195, .45), transparent 70%), var(--notte); }
.briciole { font: 500 13px/1 var(--mono); color: var(--tenue); margin-bottom: 22px; }
.briciole a { color: var(--azzurro); text-decoration: none; }
.testata h1 { font-size: clamp(34px, 5vw, 58px); }
.testata p { color: var(--tenue); font-size: 19px; margin-top: 16px; }
.testo-lungo { max-width: 820px; padding: 30px 0 100px; }
.testo-lungo h2 { font-size: 24px; margin: 38px 0 12px; }
.testo-lungo p { color: #cfd5f3; }

/* ------------------------------------------------ comparsa allo scorrimento */
.appare { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.appare.visto, .senza-js .appare { opacity: 1; transform: none; }
.griglia .appare:nth-child(2) { transition-delay: .08s; } .griglia .appare:nth-child(3) { transition-delay: .16s; }
.griglia .appare:nth-child(4) { transition-delay: .24s; } .griglia .appare:nth-child(5) { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .appare { opacity: 1; transform: none; }
  .barra i { width: var(--v); }
}