/* Khromax Landing — vanilla, brand tokens da khromax.svg.
   Bg OLED #05060a, gradiente indaco→viola→magenta→oro, Orbitron display. */

:root {
  --bg: #05060a;
  --bg-1: #0a0d14;
  --bg-2: #10141f;
  --bg-3: #181e2e;
  --txt: #f0f4f8;
  --txt-2: #a0aec0;
  --txt-3: #64748b;
  --indaco: #2b3482;
  --viola: #914c99;
  --magenta: #c00e46;
  --oro: #ffda47;
  --bordo: rgba(240, 244, 248, 0.08);
  --bordo-2: rgba(240, 244, 248, 0.15);
  --font-disp: "Orbitron", ui-monospace, monospace;
  --font-testo: "Space Grotesk", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font-testo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--oro);
  color: var(--bg);
  padding: 0.6rem 1rem;
  border-radius: 0 0 8px 0;
  font-weight: 700;
}
.skip:focus { left: 0; }

/* ── Rivelazione (default nascosto solo con .js) ──────────────── */
.no-js .reveal { opacity: 1; transform: none; }
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--ritardo, 0s);
}
.js .reveal.on { opacity: 1; transform: none; }

/* ── NAV ─────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 3rem);
  background: rgba(5, 6, 10, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bordo);
}
.nav-marchio { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.nav-logo { width: 34px; height: 34px; }
.nav-nome {
  font-family: var(--font-disp);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.nav-nome em { font-style: normal; color: var(--oro); }
.nav-links { display: flex; align-items: center; gap: clamp(0.8rem, 2vw, 1.6rem); }
.nav-links a { text-decoration: none; color: var(--txt-2); font-size: 0.95rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--txt); }
.nav-links .nav-cta {
  color: var(--bg);
  background: linear-gradient(135deg, var(--indaco), var(--magenta));
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  color: #fff;
}
.nav-links .nav-cta:hover { filter: brightness(1.15); }

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 6rem clamp(1.2rem, 6vw, 5rem) 4rem;
}
.hero-orba, .hero-orbb, .hero-nastro, .hero-griglia {
  position: absolute;
  inset: -10%;
  pointer-events: none;
  will-change: transform;
}
.hero-orba {
  background:
    radial-gradient(42% 42% at 18% 24%, rgba(43, 52, 130, 0.55), transparent 70%),
    radial-gradient(38% 38% at 82% 20%, rgba(192, 14, 70, 0.4), transparent 70%),
    radial-gradient(46% 46% at 70% 78%, rgba(145, 76, 153, 0.4), transparent 70%);
}
.hero-orbb {
  background:
    radial-gradient(30% 30% at 50% 110%, rgba(255, 218, 71, 0.20), transparent 70%),
    radial-gradient(26% 26% at 90% 60%, rgba(43, 52, 130, 0.35), transparent 70%);
}
.hero-nastro {
  background: linear-gradient(115deg, transparent 42%, rgba(255, 218, 71, 0.10) 42% 58%, transparent 58%);
}
.hero-griglia {
  background-image:
    linear-gradient(rgba(240, 244, 248, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 244, 248, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(60% 60% at 50% 45%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 45%, #000 30%, transparent 100%);
}
.hero-contenuto {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 880px;
}
.hero-kicker {
  font-family: var(--font-disp);
  font-size: 0.8rem;
  letter-spacing: 0.34em;
  color: var(--txt-2);
  text-transform: uppercase;
  margin: 0 0 1.2rem;
}
.hero h1 {
  font-family: var(--font-disp);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  margin: 0 0 1.4rem;
}
.grad {
  background: linear-gradient(100deg, var(--indaco), var(--viola) 40%, var(--magenta) 72%, var(--oro));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  color: var(--txt-2);
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 620px;
  margin: 0 auto 2.2rem;
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-oro, .btn-ghost {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}
.btn-oro {
  color: var(--bg);
  background: linear-gradient(100deg, var(--viola), var(--magenta) 60%, var(--oro));
  color: #fff;
  box-shadow: 0 8px 30px rgba(192, 14, 70, 0.35);
}
.btn-oro:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn-ghost {
  color: var(--txt);
  border: 1px solid var(--bordo-2);
  background: rgba(240, 244, 248, 0.03);
}
.btn-ghost:hover { border-color: var(--txt-2); transform: translateY(-2px); }
.hero-marchio {
  position: absolute;
  z-index: 1;
  right: 4%;
  bottom: 2%;
  opacity: 0.18;
  filter: saturate(1.2);
  will-change: transform;
}
.hero-marchio img { width: clamp(140px, 22vw, 340px); }

/* ── NUMERI ──────────────────────────────────────────────────── */
.numeri {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--bordo);
  border-block: 1px solid var(--bordo);
  padding: 0 clamp(1.2rem, 6vw, 5rem);
}
.nb-item {
  background: var(--bg-1);
  padding: 2.4rem 1.2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.nb-num {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 3rem);
  background: linear-gradient(100deg, var(--indaco), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nb-etichetta { color: var(--txt-2); font-size: 0.95rem; }

/* ── SEZIONI ─────────────────────────────────────────────────── */
.sez {
  padding: clamp(3.5rem, 8vw, 7rem) clamp(1.2rem, 6vw, 5rem);
  max-width: 1200px;
  margin: 0 auto;
}
.sez-testata { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.sez-kicker {
  font-family: var(--font-disp);
  font-size: 0.75rem;
  letter-spacing: 0.34em;
  color: var(--magenta);
  text-transform: uppercase;
}
.sez-titolo {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  margin: 0.6rem 0 0.8rem;
}
.sez-sub { color: var(--txt-2); }

/* ── CATEGORIE ───────────────────────────────────────────────── */
.cat-griglia { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.cat-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.4rem 1.2rem 1.2rem;
  background: var(--bg-1);
  border: 1px solid var(--bordo);
  border-radius: 14px;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.cat-tile:hover { transform: translateY(-4px); border-color: var(--bordo-2); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45); }
.cat-fetta {
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  border-radius: 14px 14px 0 0;
}
.cat-fetta.f0 { background: linear-gradient(90deg, var(--indaco), var(--viola)); }
.cat-fetta.f1 { background: linear-gradient(90deg, var(--viola), var(--magenta)); }
.cat-fetta.f2 { background: linear-gradient(90deg, var(--magenta), var(--oro)); }
.cat-fetta.f3 { background: linear-gradient(90deg, var(--indaco), var(--magenta)); }
.cat-nome { font-weight: 700; font-size: 1.15rem; margin-top: 0.6rem; }
.cat-count { color: var(--txt-2); font-size: 0.9rem; }
.cat-vai { color: var(--oro); font-size: 0.85rem; font-weight: 500; margin-top: 0.4rem; }

/* ── PER CHI ─────────────────────────────────────────────────── */
.pc-griglia { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.pc-card {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--bordo);
  border-radius: 16px;
  padding: 1.8rem 1.6rem;
}
.pc-mark { width: 64px; height: 64px; margin-bottom: 1rem; }
.pc-mark circle, .pc-mark path, .pc-mark polygon { fill: none; stroke: url(#mark-grad); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.pc-card h3 { font-family: var(--font-disp); font-size: 1.1rem; margin: 0 0 0.5rem; }
.pc-card p { color: var(--txt-2); margin: 0; }

.flusso {
  list-style: none;
  counter-reset: passo;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  padding: 0;
  margin: 3rem 0 0;
}
.flusso li {
  counter-increment: passo;
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--bordo);
  border-radius: 14px;
  padding: 1.4rem 1.4rem 1.4rem 3.4rem;
}
.flusso li::before {
  content: counter(passo);
  position: absolute;
  left: 1rem;
  top: 1.4rem;
  font-family: var(--font-disp);
  font-weight: 700;
  color: var(--oro);
}
.flusso strong { display: block; font-family: var(--font-disp); font-size: 1rem; margin-bottom: 0.3rem; }
.flusso span { color: var(--txt-2); font-size: 0.95rem; }

/* ── BANDA PARALLAX ──────────────────────────────────────────── */
.banda {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 10vw, 8rem) clamp(1.2rem, 6vw, 5rem);
  text-align: center;
}
.banda-nastro {
  position: absolute;
  inset: -30% -10%;
  background:
    linear-gradient(115deg, transparent 38%, rgba(145, 76, 153, 0.28) 38% 44%, transparent 44% 50%,
      rgba(192, 14, 70, 0.30) 50% 56%, transparent 56%),
    radial-gradient(35% 60% at 20% 30%, rgba(43, 52, 130, 0.5), transparent 70%);
  will-change: transform;
}
.banda-testo {
  position: relative;
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 2rem);
  letter-spacing: 0.12em;
  margin: 0;
}

/* ── CONTATTI ────────────────────────────────────────────────── */
.ctn-griglia { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.ctn-carta {
  background: var(--bg-1);
  border: 1px solid var(--bordo);
  border-radius: 16px;
  padding: 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.ctn-etichetta {
  font-family: var(--font-disp);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--txt-3);
}
.ctn-valore { font-size: 1.15rem; font-weight: 500; word-break: break-word; }
.ctn-carta a.ctn-valore { text-decoration: none; color: var(--oro); }
.ctn-carta a.ctn-valore:hover { text-decoration: underline; }

/* ── PIEDE ───────────────────────────────────────────────────── */
.pie {
  border-top: 1px solid var(--bordo);
  padding: 3rem clamp(1.2rem, 6vw, 5rem) 2.5rem;
  text-align: center;
  background: var(--bg-1);
}
.pie-mark { margin: 0 auto 1rem; opacity: 0.9; }
.pie-tag { color: var(--txt-2); margin: 0 0 1.2rem; }
.pie-nav { display: flex; gap: 1.4rem; justify-content: center; margin-bottom: 1.2rem; }
.pie-nav a { color: var(--txt-2); text-decoration: none; font-size: 0.95rem; }
.pie-nav a:hover { color: var(--txt); }
.pie-copy { color: var(--txt-3); font-size: 0.85rem; margin: 0; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .numeri { grid-template-columns: repeat(2, 1fr); }
  .cat-griglia { grid-template-columns: repeat(2, 1fr); }
  .pc-griglia { grid-template-columns: 1fr; }
  .flusso { grid-template-columns: 1fr; }
  .ctn-griglia { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding-top: 5rem; }
  .hero-marchio { opacity: 0.10; }
}

/* ── RIDOTTO: niente animazioni ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-orba, .hero-orbb, .hero-nastro, .hero-marchio, .banda-nastro { transform: none !important; }
}