/* BRAND A BRAND — esqueleto: gradiente, nav, contenedores, secciones, footer */

/* --- Barra de progreso de scroll --- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 90;
  background: transparent;
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: var(--steel);
}

/* --- Gradiente de malla (canvas + respaldo CSS) --- */
.scene-layer {
  position: fixed;
  inset: 0 0 auto 0;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 55% at 18% 28%, var(--steel-soft), transparent 70%),
    radial-gradient(55% 50% at 78% 22%, var(--mist), transparent 72%),
    radial-gradient(70% 60% at 62% 78%, var(--haze), transparent 74%),
    var(--paper);
}

.scene-layer canvas {
  width: 100%;
  height: 100%;
}

.no-webgl .scene-layer canvas { display: none; }

/* Foto de portada: el velo de papel va en la propia pila de fondos, así el
   texto se apoya siempre sobre claro por mucho que la foto sea oscura. */
.scene-photo {
  position: absolute;
  inset: 0;
  opacity: 0.85;
  background-image:
    linear-gradient(
      102deg,
      rgba(242, 241, 238, 0.95) 0%,
      rgba(242, 241, 238, 0.86) 30%,
      rgba(242, 241, 238, 0.68) 62%,
      rgba(242, 241, 238, 0.80) 100%
    ),
    url("../assets/hero.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* --- Contenedores --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 48px;
}

.container--text { max-width: 800px; }

.nav--plain { background: var(--paper); }

/* --- Nav --- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
}

.nav.is-scrolled {
  background: rgba(242, 241, 238, 0.82);
  -webkit-backdrop-filter: saturate(150%) blur(16px);
  backdrop-filter: saturate(150%) blur(16px);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.nav__links a {
  position: relative;
  padding: 4px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav__end {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* --- Secciones --- */
.section {
  position: relative;
  z-index: 1;
  padding: var(--section-y) 0;
  background: var(--paper);
}

.section--paper { background: var(--paper-alt); }

/* --- Hero --- */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 72px) 0 72px;
}

.hero__title {
  font-size: clamp(48px, 11.5vw, 168px);
  font-weight: 400;
  letter-spacing: -0.035em;
  margin-top: 26px;
}

.hero__foot {
  display: flex;
  justify-content: flex-end;
  margin-top: clamp(40px, 6vw, 88px);
}

.hero__lead {
  max-width: 44ch;
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.42;
  color: var(--ink);
}

/* --- Bloque a dos columnas (titular / texto) --- */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 110px);
  align-items: start;
}

.duo--head { margin-bottom: clamp(48px, 6vw, 96px); }

.duo__right {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: clamp(0px, 2vw, 30px);
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  background: var(--ink);
  color: rgba(242, 241, 238, 0.62);
  padding: clamp(64px, 8vw, 120px) 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: clamp(48px, 6vw, 88px);
}

.footer__brand .wordmark { color: var(--paper); }

.footer__title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 18px;
}

.footer__text {
  font-size: 15px;
  margin-bottom: 8px;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-size: 15px;
}

.footer__nav--col { gap: 11px; }

.footer__bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 26px;
  padding-bottom: 30px;
  border-top: 1px solid rgba(242, 241, 238, 0.14);
  font-size: 13px;
  color: rgba(242, 241, 238, 0.45);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .container { padding: 0 24px; }

  .nav__links { display: none; }
  .nav__inner { justify-content: space-between; gap: 16px; }

  .hero { min-height: auto; padding: calc(var(--nav-h) + 56px) 0 72px; }
  .hero__foot { justify-content: flex-start; }

  .duo { grid-template-columns: 1fr; gap: 28px; }
  .duo__right { padding-top: 0; }

  .footer__inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 500px) {
  .container { padding: 0 18px; }

  .nav__end { gap: 12px; }
  .nav__inner { gap: 10px; }
  .nav .wordmark { font-size: 15px; letter-spacing: 0.13em; }
  .nav .pill { padding: 10px 16px; font-size: 13px; gap: 8px; }
  .lang__btn, .lang__sep { font-size: 12px; }

  .footer__inner { grid-template-columns: 1fr; gap: 36px; }
  .footer__bar { flex-direction: column; gap: 8px; }
}