/* layout.css — Estrellas del Mundial
   Cabecera, navegación, pie de página, rejillas estructurales */

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
  color: var(--text);
}

.brand__mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
}

.brand small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-2);
  font-weight: 600;
  margin-top: 2px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav__links a {
  position: relative;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  padding-block: 6px;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.3s var(--ease);
}

.nav__links a:hover,
.nav__links a[aria-current="page"] {
  color: var(--gold-2);
}

.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--gold-2);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.4));
  padding-block: 64px 28px;
  margin-top: 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer__brand p {
  margin-top: 16px;
  max-width: 34ch;
  font-size: 0.92rem;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-bottom: 16px;
  font-weight: 600;
}

.footer__col ul {
  display: grid;
  gap: 10px;
}

.footer__col a {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.footer__col a:hover {
  color: var(--gold-2);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.82rem;
  color: var(--text-faint);
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gold-2);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.footer__social a:hover {
  background: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}

/* ===== Rejillas genéricas ===== */
.grid {
  display: grid;
  gap: 28px;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    inset: 74px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--black-2);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px 24px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  }

  .nav__links.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav__links a {
    padding-block: 14px;
    border-bottom: 1px solid var(--line-soft);
    font-size: 1rem;
  }
}

@media (max-width: 560px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .grid--4,
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }
}