/* ==========================================================================
   DISTRA — Layout: contenedores, grillas, header, secciones, footer
   ========================================================================== */

/* ---- Contenedores ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

/* ---- Secciones ---- */
.section { padding-block: var(--section-y); position: relative; }
.section--alt  { background: var(--bg-alt); }
.section--dark { background: var(--bg-dark); color: var(--text-inverse); }
.section--dark .text-muted { color: var(--c-stone); }

.section__head {
  display: grid;
  gap: var(--sp-5);
  margin-bottom: var(--sp-8);
}
.section__head--center {
  text-align: center;
  justify-items: center;
}
.section__head--split {
  grid-template-columns: 1fr;
  align-items: end;
}
@media (min-width: 900px) {
  .section__head--split { grid-template-columns: 1.2fr 1fr; gap: var(--sp-8); }
}

/* ---- Grillas ---- */
.grid { display: grid; gap: var(--sp-6); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: repeat(2, 1fr); }

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Bloque imagen + texto */
.split {
  display: grid;
  gap: var(--sp-7);
  align-items: center;
}
@media (min-width: 960px) {
  .split { grid-template-columns: 1fr 1fr; gap: var(--sp-9); }
  .split--reverse > :first-child { order: 2; }
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              height var(--t-base) var(--ease);
}
.site-header.is-scrolled {
  --header-h: 70px;
  background: rgba(250, 246, 240, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.site-header__logo img { height: 48px; width: auto; }

.nav { display: none; }
.nav__list { display: flex; gap: var(--sp-6); }
.nav__link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: var(--fw-regular);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding-block: var(--sp-2);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-base) var(--ease);
}
.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.site-header .site-header__cta { display: none; }

@media (min-width: 1000px) {
  .nav { display: block; }
  .site-header .site-header__cta { display: inline-flex; }
}

/* Botón menú móvil */
.menu-toggle {
  width: 44px; height: 44px;
  display: grid;
  place-content: center;
  gap: 6px;
}
.menu-toggle span {
  display: block;
  width: 26px; height: 1.5px;
  background: var(--c-ink);
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast);
}
.menu-open .menu-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
@media (min-width: 1000px) { .menu-toggle { display: none; } }

/* Panel móvil */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--c-ivory);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base) var(--ease), visibility var(--t-base);
}
.menu-open .mobile-nav { opacity: 1; visibility: visible; }
.mobile-nav__list { display: grid; gap: var(--sp-5); }
.mobile-nav__list a {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-light);
}
.mobile-nav .btn { margin-top: var(--sp-7); align-self: flex-start; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  padding-top: calc(var(--header-h) + var(--sp-6));
  padding-bottom: var(--sp-8);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {               /* lavado cálido de fondo */
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 46%;
  background: linear-gradient(180deg, var(--c-cream), var(--c-sand));
  z-index: -1;
}
.hero__grid {
  display: grid;
  gap: var(--sp-8);
  align-items: center;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: var(--sp-9); }
}
@media (max-width: 959px) {
  .hero::before { width: 100%; height: 45%; inset: auto 0 0 0; }
}

.hero__title { margin-block: var(--sp-5) var(--sp-6); }
.hero__lead  { font-size: var(--fs-md); color: var(--text-muted); }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-7);
}
.hero__brands {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  margin-top: var(--sp-8);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.hero__brands span {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-muted);
}
.hero__brands img { height: 40px; width: auto; opacity: 0.85; }

.hero__media { position: relative; }
.hero__media .frame { aspect-ratio: 4 / 5; }
.hero__badge {
  position: absolute;
  left: calc(var(--sp-6) * -1);
  bottom: var(--sp-7);
}
@media (max-width: 599px) {
  .hero__badge { left: var(--sp-4); bottom: var(--sp-4); }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding-block: var(--sp-9) var(--sp-6);
}
.site-footer__grid {
  display: grid;
  gap: var(--sp-7);
}
@media (min-width: 860px) {
  .site-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
}
.site-footer__logo img {
  height: 46px; width: auto;
  filter: brightness(0) invert(1);
}
.site-footer__about {
  margin-top: var(--sp-5);
  color: var(--c-stone);
  font-size: var(--fs-sm);
  max-width: 36ch;
}
.site-footer h4 {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--c-bronze-light);
  margin-bottom: var(--sp-5);
}
.site-footer li + li { margin-top: var(--sp-3); }
.site-footer a { color: var(--c-sand); font-size: var(--fs-sm); }
.site-footer a:hover { color: var(--c-white); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-top: var(--sp-9);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border-inverse);
  font-size: var(--fs-xs);
  color: var(--c-stone);
  letter-spacing: 0.05em;
}