@font-face { font-family: 'Outfit'; font-style: normal; font-weight: 100 900; font-display: swap; src: url('fonts/outfit-var-latin.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 100 800; font-display: swap; src: url('fonts/jetbrainsmono-var-latin.woff2') format('woff2'); }

:root {
  --bg: #0b0e0c;
  --bg-grid: rgba(255, 255, 255, .035);
  --surface-1: #151a17;
  --surface-2: #1f2621;
  --text: #f1f4ef;
  --text-muted: #8b968e;
  --lime: #c8f04a;
  --lime-ink: #141a05;
  --line: rgba(255, 255, 255, .12);
  --line-strong: rgba(255, 255, 255, .28);
  --errore: #ff8a5c;
  --scrim: rgba(11, 14, 12, .72);
  --f-sans: 'Outfit', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
  --r-box: 14px;
  --r-card: 36px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--lime); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 2px; }
[hidden] { display: none !important; }

/* ---------- telefono / clip ---------- */
.telefono { position: relative; aspect-ratio: 9 / 16; background: var(--surface-1); overflow: hidden; }
.telefono video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- testata / logo ---------- */
.testata { max-width: 1240px; margin: 0 auto; padding: 18px 20px 0; }
.logo { display: inline-flex; align-items: center; gap: 9px; color: var(--text); text-decoration: none; font: 600 21px/1 var(--f-sans); letter-spacing: -.03em; }
.logo img { width: 32px; height: 32px; border-radius: 8px; display: block; }
.logo i { font-style: normal; color: var(--lime); }

/* ---------- hero (mobile): clip sopra, testo e modulo sotto ---------- */
.hero { padding: 14px 20px 28px; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.hero-media { flex: none; }
.hero-media .telefono { height: min(40svh, 340px); border-radius: 26px; box-shadow: 0 20px 40px -14px rgba(0,0,0,.6); border: 5px solid #060807; }
.hero-testo { width: 100%; max-width: 520px; margin: 0 auto; }
.etichetta { font: 500 11px/1 var(--f-mono); letter-spacing: .18em; color: var(--lime); margin-bottom: 10px; }
h1 { font: 600 36px/.98 var(--f-sans); letter-spacing: -.04em; margin-bottom: 10px; }
.riga { color: var(--text-muted); font-size: 15px; line-height: 1.35; margin-bottom: 14px; max-width: 34em; }
.hero .riga { color: #b4bdb6; }

/* ---------- modulo ---------- */
form#modulo { display: flex; flex-direction: column; gap: 8px; }
.campo label, .campo legend { display: block; font: 500 11px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.campo input[type="text"], .campo input[type="email"], .campo textarea {
  width: 100%; height: 42px; padding: 0 14px;
  background: var(--surface-1); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--r-box);
  font: 400 16px/1 var(--f-sans);
}
.campo textarea, textarea { height: auto; min-height: 72px; padding: 10px 14px; line-height: 1.4; resize: vertical; }
.campo input::placeholder, textarea::placeholder { color: #707b73; }
.campo input:focus-visible, textarea:focus-visible { outline: 3px solid var(--lime); outline-offset: 1px; border-color: var(--lime); }
.campo.ko input[type="text"], .campo.ko input[type="email"] { border-color: var(--errore); }
.errore { color: var(--errore); font-size: 13px; line-height: 1.25; }
.errore:empty { display: none; }
.errore:not(:empty) { margin-top: 4px; }
.errore-form { color: var(--errore); background: rgba(255,138,92,.1); border: 1px solid var(--errore); border-radius: var(--r-box); padding: 10px 14px; font-size: 14px; }

fieldset { border: 0; min-width: 0; }
.radio-gruppo { display: flex; gap: 8px; }
.radio { display: block; flex: 1 1 0; position: relative; margin: 0 !important; }
.radio input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; }
.radio span { display: grid; place-items: center; height: 42px; padding: 0 8px; border: 1px solid var(--line-strong); border-radius: var(--r-box); background: var(--surface-1); font: 500 15px/1 var(--f-sans); letter-spacing: 0; text-transform: none; color: var(--text); cursor: pointer; }
.radio input:checked + span { background: var(--lime); color: var(--lime-ink); border-color: var(--lime); font-weight: 600; }
.radio input:focus-visible + span { outline: 3px solid var(--lime); outline-offset: 2px; }

.check { display: flex !important; gap: 10px; align-items: flex-start; margin: 0 !important; font: 400 13px/1.3 var(--f-sans) !important; letter-spacing: 0 !important; text-transform: none !important; color: #b4bdb6 !important; cursor: pointer; }
.check input { flex: none; width: 20px; height: 20px; margin-top: 1px; accent-color: var(--lime); }

.trappola { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.btn { display: inline-flex; align-items: center; justify-content: center; width: 100%; height: 50px; margin-top: 4px; padding: 0 22px; border: 0; border-radius: 999px; background: var(--lime); color: var(--lime-ink); font: 600 17px/1 var(--f-sans); letter-spacing: -.01em; text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.06); }
.btn:disabled { opacity: .65; cursor: progress; }
.btn-secondario { background: var(--surface-2); color: var(--text); border: 1px solid var(--line-strong); }
.btn-link { width: auto; margin-top: 18px; }

/* ---------- esito ---------- */
.esito { background: var(--surface-1); border: 1px solid var(--line); border-radius: 22px; padding: 20px; outline: none; }
.esito-titolo { font: 600 30px/1 var(--f-sans); letter-spacing: -.03em; color: var(--lime); margin-bottom: 8px; }
.esito-riga { color: #b4bdb6; margin-bottom: 4px; }

/* ---------- blocchi ---------- */
.blocco { max-width: 1040px; margin: 0 auto; padding: 56px 20px; display: flex; flex-direction: column; gap: 28px; align-items: center; }
.blocco-media { width: min(62vw, 260px); }
.blocco .telefono { border-radius: 28px; box-shadow: 0 24px 48px -16px rgba(0,0,0,.55), inset 0 0 0 2px var(--line); }
.blocco-testo { max-width: 460px; }
h2 { font: 600 34px/1 var(--f-sans); letter-spacing: -.04em; margin-bottom: 12px; }
.blocco-testo p { color: #b4bdb6; font-size: 17px; line-height: 1.45; }

/* ---------- finale ---------- */
.finale { max-width: 640px; margin: 0 auto; padding: 56px 20px 48px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.firma { font: 400 22px/1.3 var(--f-sans); color: var(--text-muted); }
.firma strong { color: var(--text); font-weight: 600; }
.logo-vetrho { display: block; height: 30px; width: auto; margin-top: 14px; }
.ico-in { width: 14px; height: 14px; vertical-align: -2px; margin-right: 6px; color: var(--lime); }
.link-riga { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; margin-top: 14px; font: 500 13px/1.6 var(--f-mono); }
.piede { text-align: center; padding: 8px 20px 36px; color: var(--text-muted); font: 400 13px/1.4 var(--f-mono); }
.piede a { color: var(--text-muted); }

/* ---------- desktop ---------- */
@media (min-width: 900px) {
  .testata { padding: 28px 56px 0; }
  .hero { min-height: calc(100vh - 60px); padding: 24px 56px 48px; max-width: 1240px; margin: 0 auto; flex-direction: row; align-items: center; gap: 72px; }
  .hero-media .telefono { height: min(74vh, 720px); border-radius: var(--r-card); box-shadow: 0 30px 60px -20px rgba(0,0,0,.65), inset 0 0 0 2px var(--line-strong); border: 8px solid #060807; }
  .hero-testo { max-width: 500px; margin: 0; }
  h1 { font-size: 64px; margin-bottom: 16px; }
  .riga { font-size: 18px; margin-bottom: 24px; }
  .etichetta { font-size: 12px; margin-bottom: 16px; }
  form#modulo { gap: 12px; }
  .campo input[type="text"], .campo input[type="email"] { height: 48px; }
  .blocco { flex-direction: row; gap: 80px; padding: 96px 56px; justify-content: center; }
  .blocco.inverso { flex-direction: row-reverse; }
  .blocco-media { width: 280px; flex: none; }
  h2 { font-size: 48px; }
  .blocco-testo p { font-size: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}