/* ============================================================
   Catenaccio — layout.css
   Grid, containers, header, footer, page scaffolding
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.4rem);
}

.container--narrow {
  max-width: 760px;
}

section {
  padding-block: clamp(2.6rem, 6vw, 4.6rem);
}

/* ---------- Site header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy-900);
  border-bottom: 1px solid rgba(201, 162, 39, 0.35);
  color: var(--paper);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
}
.brand:hover { color: var(--paper); }
.brand__mark { width: 34px; height: 34px; flex: 0 0 auto; }
.brand__name b { color: var(--gold-400); }
.brand__name small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(247, 245, 239, 0.6);
  margin-top: 1px;
}

/* ---------- Navigation ---------- */
.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.7rem);
}
.nav a {
  color: rgba(247, 245, 239, 0.86);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.4rem 0;
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gold-400);
  transition: width var(--transition);
}
.nav a:hover,
.nav a[aria-current="page"] { color: var(--gold-300); }
.nav a:hover::after,
.nav a[aria-current="page"]::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(201, 162, 39, 0.45);
  border-radius: var(--radius);
  width: 44px; height: 40px;
  cursor: pointer;
  color: var(--gold-300);
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px; height: 2px;
  background: currentColor;
  position: relative;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: rgba(247, 245, 239, 0.78);
  padding-block: clamp(2.4rem, 5vw, 3.6rem) 1.6rem;
  border-top: 3px solid var(--gold-500);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}
.site-footer h4 {
  color: var(--gold-300);
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.site-footer a { color: rgba(247, 245, 239, 0.8); }
.site-footer a:hover { color: var(--gold-300); }
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin-bottom: 0.55rem; }
.footer-brand .brand { margin-bottom: 0.9rem; }
.footer-brand p { color: rgba(247, 245, 239, 0.62); max-width: 34ch; }
.footer-bottom {
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(247, 245, 239, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(247, 245, 239, 0.55);
}
.footer-bottom nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* ---------- Generic grids ---------- */
.grid {
  display: grid;
  gap: var(--gap);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-800);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem clamp(1.1rem, 4vw, 2.4rem) 1.2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .nav.is-open { max-height: 480px; }
  .nav a {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(247, 245, 239, 0.08);
  }
  .nav a::after { display: none; }
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
}