/* ============================================================
   layout.css — Struttura: header, sezioni, hero, griglie, footer
   Tema LIGHT.
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-section); position: relative; }
.section--tight { padding-block: clamp(3rem, 2rem + 4vw, 5.5rem); }
.section--alt { background: var(--surface-2); }

/* Blocco intestazione sezione */
.section-head { max-width: 56ch; margin-bottom: clamp(2rem, 1rem + 3vw, 3.5rem); }
.section-head h2 { font-size: var(--fs-h2); margin-top: 0.5rem; }
.section-head p { color: var(--text-dim); font-size: var(--fs-lead); margin-top: 0.9rem; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

/* ============================================================
   Header (fisso, vetro chiaro)
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(0.6rem, 0.4rem + 0.8vw, 1rem) var(--gutter);
  transition: background var(--t-med), backdrop-filter var(--t-med), border-color var(--t-med), box-shadow var(--t-med);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--c-paper) 82%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  backdrop-filter: blur(14px) saturate(130%);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
/* Logo "nudo": niente pillola bianca. Sopra l'hero (header trasparente) diventa
   bianco come la nav; una volta scrollato torna a colori sul vetro chiaro. */
.brand__logo {
  height: 60px;
  width: auto;
  display: block;
  transition: height var(--t-med);
}
.site-header.scrolled .brand__logo { height: 48px; }   /* sticky: un filo più piccolo */
/* swap del PNG: bianco sopra l'hero ↔ a colori da scrollato (niente filtro invert) */
.brand__logo--dark { display: none; }
.site-header.scrolled .brand__logo--light { display: none; }
.site-header.scrolled .brand__logo--dark  { display: block; }
@media (max-width: 560px) {
  .brand__logo { height: 54px; }
  .site-header.scrolled .brand__logo { height: 44px; }
}

.site-nav { display: none; gap: clamp(1rem, 0.5rem + 1.5vw, 2.2rem); }
.site-nav a {
  font-size: var(--fs-min);
  font-weight: 600;
  color: var(--text-dim);
  position: relative;
  transition: color var(--t-fast);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease-out);
}
.site-nav a:hover { color: var(--text); }
.site-nav a:hover::after { transform: scaleX(1); }

@media (min-width: 880px) { .site-nav { display: inline-flex; } }
/* Mobile (header senza nav né CTA): logo centrato */
@media (max-width: 879.98px) { .site-header { justify-content: center; } }

/* Header trasparente SOPRA l'hero full-bleed: nav bianca finché non si scrolla.
   Una volta scrollato (.scrolled) torna il vetro chiaro + testo ink. */
.site-header:not(.scrolled) .site-nav a { color: rgba(255,255,255,0.92); }
.site-header:not(.scrolled) .site-nav a:hover { color: #fff; }

/* ============================================================
   Hero — FULL-BLEED, image-forward. Headline + CTA sull'immagine.
   Niente subheadline, niente "bollini" trust: spazio all'immagine.
   ============================================================ */
.hero {
  position: relative;
  min-height: clamp(560px, 90svh, 940px);
  display: grid;
  align-items: end;          /* headline + CTA in basso a sinistra */
  overflow: clip;
  isolation: isolate;
  color: #fff;               /* testo bianco sopra l'immagine */
}

/* immagine hero a tutta sezione. ORA è un placeholder (gradiente "mare"):
   per la foto reale metti una <img> dentro .hero__media, oppure cambia il bg. */
.hero__media {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(120% 85% at 72% 16%, #2ea7b8 0%, transparent 52%),
    linear-gradient(180deg, #0e5573 0%, #0a3a57 48%, #07293f 100%);
}
/* cover CENTRATO: su schermi grandi resta centrata, non tagliata di lato/alto */
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center center; }

/* overlay/gradiente sopra la foto: ~50%, più carico in basso per la
   leggibilità di headline + CTA. */
.hero__scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, rgba(7,20,33,0.35) 0%, rgba(7,20,33,0) 50%),
    rgba(7,20,33,0.50);
}

.hero__inner {
  width: 100%;
  padding-block: clamp(7rem, 5rem + 8vw, 10rem) clamp(2.6rem, 1.6rem + 4vw, 5rem);
}
.hero__content { max-width: 46rem; }
.hero .eyebrow--ondark { color: var(--c-teal-soft); }
.hero h1 {
  font-size: var(--fs-display);
  color: #fff;
  margin: 0.7rem 0 0;
  text-shadow: 0 2px 30px rgba(0,0,0,0.35);
}
.hero h1 .u-gold { color: var(--c-gold-soft); }
.hero__cta {
  margin-top: clamp(1.6rem, 1.1rem + 2vw, 2.4rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.4rem;
  align-items: center;
}
.hero__cta-soft { font-weight: 700; color: #fff; display: inline-flex; align-items: center; gap: 0.4rem; }
.hero__cta-soft:hover { color: var(--c-gold-soft); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   Griglia offerte (le partenze)
   ============================================================ */
.offers-grid {
  display: grid;
  gap: clamp(1.2rem, 0.6rem + 2vw, 1.9rem);
  grid-template-columns: 1fr;
}
@media (min-width: 680px)  { .offers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .offers-grid { grid-template-columns: repeat(3, 1fr); } }

/* ============================================================
   Nota "altri viaggi" integrata nel form (ex CTA soft separata):
   fa capire che ci sono anche altre date / altri viaggi.
   ============================================================ */
.form-alt {
  margin-top: 1rem;
  padding: 0.85rem 1.1rem;
  border-left: 3px solid var(--c-gold);
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--c-gold) 8%, transparent);
  font-size: var(--fs-min);
  color: var(--text-dim);
}
.form-alt b { color: var(--text); }

/* ============================================================
   Sezione form
   ============================================================ */
.form-layout { display: grid; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: start; }
@media (min-width: 900px) { .form-layout { grid-template-columns: 1fr 1.05fr; } }

.form-pitch h2 { font-size: var(--fs-h2); margin: 0.5rem 0 1rem; }
.form-pitch > p { color: var(--text-dim); font-size: var(--fs-lead); max-width: 44ch; }
.form-contacts { display: grid; gap: 0.9rem; margin-top: 1.8rem; }
.form-contacts li { display: flex; align-items: center; gap: 0.7rem; color: var(--text); }
.form-contacts .ico { width: 1.25rem; height: 1.25rem; color: var(--accent-gold); }
.form-contacts .muted { color: var(--text-faint); font-size: var(--fs-min); }
/* riga trust vicino al form */
.form-assure {
  margin-top: 1.6rem; padding-top: 1.4rem; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem;
  font-size: var(--fs-min); color: var(--text-dim);
}
.form-assure span { display: inline-flex; align-items: center; gap: 0.4rem; }
.form-assure .ico { width: 1.05rem; height: 1.05rem; color: var(--accent); }

.form-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: clamp(1.4rem, 1rem + 2vw, 2.4rem);
  box-shadow: var(--shadow-lg);
}
.form-fineprint { font-size: var(--fs-min); color: var(--text-faint); text-align: center; margin-top: 0.2rem; }

/* ============================================================
   Footer (light)
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-2);
  padding-block: clamp(3rem, 2rem + 4vw, 4.5rem) 2rem;
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-grid h4 { font-size: var(--fs-min); text-transform: uppercase; letter-spacing: 0.2em; color: var(--accent-gold); margin-bottom: 1rem; }
.site-footer a { color: var(--text-dim); transition: color var(--t-fast); }
.site-footer a:hover { color: var(--accent); }

/* social: bottoni tondi icona-only */
.footer-social { display: flex; gap: 0.6rem; margin-top: 1.1rem; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface);
  color: var(--text-dim);
  transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.footer-social a:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.footer-social .ico { width: 1.2rem; height: 1.2rem; }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  justify-content: space-between;
  font-size: var(--fs-min);
  color: var(--text-faint);
}