/* ===== Retro Mundial — layout.css ===== */

/* Masthead */
.masthead {
  border-bottom: 3px double var(--ink);
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
  position: relative;
}
.masthead__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sepia-deep);
  border-bottom: 1px solid var(--line);
}
.masthead__brand {
  text-align: center;
  padding: 18px 0 14px;
}
.masthead__brand .logo-mark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.brand-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: .02em;
  margin: 0;
  line-height: 1;
}
.brand-sub {
  font-family: var(--sans);
  font-size: .7rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--sepia);
  margin: 6px 0 0;
}

/* Navigation */
.nav {
  border-top: 1px solid var(--line);
  border-bottom: 3px double var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 26px;
  padding: 12px 0;
}
.nav a {
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 4px 2px;
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .25s ease;
}
.nav a:hover::after,
.nav a[aria-current="page"]::after { width: 100%; }
.nav a[aria-current="page"] { color: var(--accent); }

.nav__toggle {
  display: none;
  background: none;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-size: .75rem;
  color: var(--ink);
  align-items: center;
  gap: 8px;
}

/* Main */
main { display: block; padding: 40px 0 60px; }
.section { margin: 0 0 56px; }
.section--tight { margin-bottom: 34px; }

/* Newspaper grid */
.grid {
  display: grid;
  gap: 30px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--feature {
  grid-template-columns: 1.6fr 1fr;
  gap: 36px;
  align-items: start;
}
.grid--sidebar {
  grid-template-columns: 1fr 320px;
  gap: 44px;
  align-items: start;
}

.columns-2 { columns: 2; column-gap: 38px; }
.columns-2 > p:first-child::first-letter {
  font-family: var(--serif);
  font-size: 3.4em;
  float: left;
  line-height: .8;
  padding: 6px 10px 0 0;
  color: var(--accent);
  font-weight: 900;
}

/* Footer */
.footer {
  border-top: 3px double var(--ink);
  background: linear-gradient(180deg, var(--paper), var(--paper-3));
  padding: 48px 0 26px;
  font-family: var(--sans);
  font-size: .9rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 34px;
}
.footer h4 {
  font-family: var(--sans);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sepia-deep);
  margin-bottom: 14px;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer a { color: var(--ink-soft); }
.footer a:hover { color: var(--accent); }
.footer__bottom {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--sepia-deep);
  font-size: .8rem;
}

@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--feature, .grid--sidebar { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav__inner {
    flex-direction: column;
    align-items: stretch;
    display: none;
    gap: 2px;
    padding: 8px 0 14px;
  }
  .nav__inner.is-open { display: flex; }
  .nav a { padding: 11px 6px; border-bottom: 1px solid var(--line-soft); text-align: center; }
  .nav__toggle { display: inline-flex; margin: 10px auto; }
  .nav { padding-bottom: 4px; }
  .columns-2 { columns: 1; }
}

@media (max-width: 560px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .masthead__top { font-size: .62rem; letter-spacing: .08em; }
}