/* =========================================================
   Piero Naldoni — sito personale
   Registro: maestro zen · premium · essenziale · elegante
   Palette: blu profondo (no nero) + accenti azzurri + avorio
   ========================================================= */

:root {
  --navy:        #0C1D3A;   /* blu profondo personale (distinto dal blu Make Group) */
  --navy-2:      #0F2547;   /* pannello leggermente più chiaro */
  --azure:       #7FB0E8;   /* accento azzurro */
  --azure-line:  rgba(127, 176, 232, 0.32);
  --ivory:       #F4F1E9;   /* sezioni chiare */
  --ivory-2:     #ECE7DB;
  --ink:         #16243F;   /* testo su avorio */
  --on-navy:     #E9EEF6;   /* testo su blu */
  --on-navy-dim: #9FB0C8;   /* testo attenuato su blu */

  --maxw: 1080px;
  --space: clamp(4.5rem, 11vh, 9rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy);
  color: var(--on-navy);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3.5rem);
}
.container.narrow { max-width: 760px; }

.accent { color: var(--azure); }

/* ---------------- HEADER ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem clamp(1.5rem, 5vw, 3.5rem);
  background: rgba(12, 29, 58, 0.78);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--azure-line);
}
.brand {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
  color: var(--on-navy);
  text-decoration: none;
}
.nav { display: flex; align-items: center; gap: 1.6rem; }
.lang { font-size: 0.78rem; letter-spacing: 0.06em; color: var(--on-navy-dim); text-transform: uppercase; }
.lang-soon { opacity: 0.55; }
.nav-cta {
  font-size: 0.9rem;
  color: var(--on-navy);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--azure);
  transition: color 0.25s var(--ease);
}
.nav-cta:hover { color: var(--azure); }

/* ---------------- HERO ---------------- */
.hero {
  padding: clamp(5rem, 16vh, 11rem) 0 var(--space);
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(127, 176, 232, 0.14), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
}
.eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--azure);
  margin: 0 0 1.4rem;
}
h1 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(2.5rem, 6.4vw, 4.7rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 0 0 1.8rem;
}
.lead {
  max-width: 30ch;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--on-navy-dim);
  margin: 0 0 3.4rem;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(2rem, 6vw, 4.5rem);
  padding-top: 2.4rem;
  border-top: 1px solid var(--azure-line);
}
.stat { display: flex; flex-direction: column; gap: 0.5rem; }
.stat-num {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 500;
  color: var(--on-navy);
}
.stat-label { font-size: 0.86rem; line-height: 1.4; color: var(--on-navy-dim); }

.logos {
  margin: 3.6rem 0 0;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--on-navy-dim);
}

/* ---------------- BANDS ---------------- */
.band { padding: var(--space) 0; }
.band-navy  { background: var(--navy); border-top: 1px solid var(--azure-line); }
.band-ivory { background: var(--ivory); color: var(--ink); }

.section-kicker {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 2rem;
  opacity: 0.7;
}
.band-ivory .section-kicker { color: var(--ink); }

.big-text {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(1.6rem, 3.8vw, 2.55rem);
  line-height: 1.28;
  letter-spacing: -0.005em;
  margin: 0 0 2rem;
}
.big-text strong { font-weight: 600; }

.fine-print {
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  opacity: 0.7;
  margin: 0;
}

/* ---------------- CARDS ---------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.2rem, 3vw, 2rem);
}
.card {
  padding: 2.1rem 1.9rem 2.3rem;
  background: var(--navy-2);
  border: 1px solid var(--azure-line);
  border-top: 2px solid var(--azure);
  border-radius: 3px;
}
.card h3 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.32rem;
  line-height: 1.2;
  margin: 0 0 1rem;
}
.card p { margin: 0; font-size: 0.98rem; color: var(--on-navy-dim); }

/* ---------------- CONTATTO ---------------- */
.contatto { text-align: left; }
.zen {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.16;
  margin: 0 0 2.6rem;
}
.contatto-sub { font-size: 0.92rem; letter-spacing: 0.04em; color: var(--on-navy-dim); margin: 0 0 1rem; }
.contatto-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.contact-link {
  font-size: 1.05rem;
  color: var(--on-navy);
  text-decoration: none;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--azure);
  border-radius: 3px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.contact-link:hover { background: var(--azure); color: var(--navy); }

/* ---------------- FOOTER ---------------- */
.site-footer {
  background: var(--navy);
  border-top: 1px solid var(--azure-line);
  padding: 2.2rem 0;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--on-navy-dim);
}

/* ---------------- REVEAL ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 720px) {
  body { font-size: 17px; }
  .cards { grid-template-columns: 1fr; }
  .stats { gap: 1.8rem 2.5rem; }
  .nav { gap: 1rem; }
  .lang-soon { display: none; }
}