/* =========================================================================
   Portfolio — hoja de estilos única.
   Paleta y tipografías tomadas de la referencia (creativeseasters.com).
   Orden: tokens → reset → tipografía → layout → componentes → responsive.
   ========================================================================= */

:root {
  /* Color ------------------------------------------------------------- */
  --clay:    #621600;  /* terracota base */
  --ember:   #360A05;  /* marrón profundo, secciones densas */
  --ink:     #200603;  /* casi negro, cálido */
  --cream:   #F4F2EA;  /* respiro claro */
  --cream-dim: #DAD6C8;
  --rust:    #A8410F;  /* acento */

  --bg: var(--clay);
  --fg: var(--cream);
  --muted: rgba(244, 242, 234, 0.62);
  --hairline: rgba(244, 242, 234, 0.18);

  /* Tipografía --------------------------------------------------------- */
  --font-display: "Unbounded", "Space Grotesk", system-ui, sans-serif;
  --font-body: "Space Grotesk", system-ui, -apple-system, sans-serif;

  --step--1: clamp(0.78rem, 0.75rem + 0.15vw, 0.86rem);
  --step-0:  clamp(0.95rem, 0.9rem + 0.25vw, 1.06rem);
  --step-1:  clamp(1.2rem, 1.05rem + 0.7vw, 1.6rem);
  --step-2:  clamp(1.6rem, 1.2rem + 1.9vw, 2.9rem);
  --step-3:  clamp(2.2rem, 1.3rem + 4.2vw, 5rem);
  --step-4:  clamp(2.9rem, 1rem + 9vw, 9rem);

  /* Espacio ------------------------------------------------------------ */
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --block: clamp(4.5rem, 11vh, 10rem);
  --maxw: 82rem;

  /* Movimiento --------------------------------------------------------- */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.7s;
}

/* Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--cream);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--cream);
  color: var(--ink);
}
.skip-link:focus { left: 0; }

/* Tipografía ---------------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.link-underline {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding-bottom: 0.35rem;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.4s var(--ease);
}
.link-underline:hover { background-size: 0% 1px; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
}
.button--ghost { border: 1px solid var(--hairline); }
.button--ghost:hover { background: var(--cream); color: var(--ink); }
.button--solid { background: var(--cream); color: var(--ink); }
.button--solid:hover { background: var(--rust); color: var(--cream); }

/* Header -------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gutter);
  mix-blend-mode: difference;
  transition: transform 0.5s var(--ease);
}
.site-header[data-hidden="true"] { transform: translateY(-110%); }

.site-header__mark {
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: #fff;
}

.site-nav { display: flex; align-items: center; gap: 2.5rem; }
.site-nav__list, .site-nav__socials { display: flex; gap: 1.75rem; }
.site-nav a {
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  opacity: 0.75;
  transition: opacity 0.3s var(--ease);
}
.site-nav a:hover, .site-nav a[aria-current="page"] { opacity: 1; }
.site-nav__socials { opacity: 0.55; }

.menu-toggle { display: none; }

/* Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding: var(--gutter);
  padding-bottom: clamp(3rem, 8vh, 6rem);
  overflow: hidden;
}
/* El contenedor lleva el poster como background: se pinta apenas llega la
   imagen, así que el fondo pelado nunca llega a verse. */
.hero__media {
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s var(--ease);
}
/* main.js agrega is-ready en el evento canplay: el video entra con un fade
   sobre el poster en vez de aparecer de golpe. */
.hero__video.is-ready { opacity: 1; }
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(32, 6, 3, 0.85) 0%, rgba(32, 6, 3, 0.15) 55%, rgba(32, 6, 3, 0.45) 100%);
}
.hero__content { position: relative; max-width: var(--maxw); }

.hero__title {
  font-size: var(--step-4);
  font-weight: 300;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero__word {
  display: inline-block;
  animation: rise 1.1s var(--ease) backwards;
  animation-delay: calc(var(--i) * 0.09s + 0.15s);
}
@keyframes rise {
  from { opacity: 0; transform: translateY(0.5em) rotate(2deg); }
  to   { opacity: 1; transform: none; }
}

.hero__role {
  font-size: var(--step-1);
  color: var(--cream);
  animation: fade 1s var(--ease) 0.55s backwards;
}
.hero__tagline {
  max-width: 34ch;
  margin-top: 0.4rem;
  color: var(--muted);
  animation: fade 1s var(--ease) 0.7s backwards;
}
.hero .button { margin-top: 2.2rem; animation: fade 1s var(--ease) 0.85s backwards; }
@keyframes fade { from { opacity: 0; transform: translateY(1rem); } to { opacity: 1; transform: none; } }

.hero__scroll {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(3rem, 8vh, 6rem);
  font-size: var(--step--1);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  writing-mode: vertical-rl;
}

/* Secciones ----------------------------------------------------------- */
.section {
  padding: var(--block) var(--gutter);
}
.section--cream { background: var(--cream); color: var(--ink); }
.section--cream .eyebrow { color: rgba(32, 6, 3, 0.55); }
.section--ember { background: var(--ember); }

.statement {
  padding: var(--block) var(--gutter);
  max-width: var(--maxw);
  margin-inline: auto;
}
.statement__text {
  margin-top: 1.5rem;
  font-size: var(--step-2);
  font-weight: 300;
  max-width: 22ch;
}

.page-head {
  padding: calc(var(--block) + 4rem) var(--gutter) var(--block);
  max-width: var(--maxw);
  margin-inline: auto;
}
.page-head__title { font-size: var(--step-3); margin: 1rem 0; }
.page-head__lede { max-width: 48ch; color: var(--muted); }

/* Stream de proyectos (home) ------------------------------------------ */
.work-stream { display: grid; gap: var(--block); padding-bottom: var(--block); }

.stream-item {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding-inline: var(--gutter);
  max-width: var(--maxw);
  margin-inline: auto;
  width: 100%;
}
@media (min-width: 900px) {
  .stream-item { grid-template-columns: 1.35fr 1fr; }
  .stream-item--right .stream-item__media { order: 2; }
}

.stream-item__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--ember);
}
.stream-item__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s var(--ease), filter 0.6s var(--ease);
}
.stream-item__media:hover img { transform: scale(1.04); filter: saturate(1.1); }

.stream-item__index {
  font-family: var(--font-display);
  font-size: var(--step--1);
  color: var(--muted);
  letter-spacing: 0.2em;
}
.stream-item__title { font-size: var(--step-2); margin: 0.6rem 0 0.3rem; }
.stream-item__sub { color: var(--cream-dim); margin-bottom: 1rem; }
.stream-item__intro { color: var(--muted); max-width: 42ch; }
.stream-item__meta {
  margin-top: 1rem;
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Grilla de work ------------------------------------------------------ */
.grid-work {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: 0 var(--gutter) var(--block);
  max-width: var(--maxw);
  margin-inline: auto;
}
.card__media { overflow: hidden; aspect-ratio: 3 / 4; background: var(--ember); }
.card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s var(--ease);
}
.card:hover .card__media img { transform: scale(1.05); }
.card__meta { padding-top: 1rem; }
.card__title { font-size: var(--step-1); }
.card__sub { color: var(--cream-dim); font-size: var(--step--1); }
.card__year {
  margin-top: 0.4rem;
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Proyecto ------------------------------------------------------------ */
.project__head {
  padding: calc(var(--block) + 4rem) var(--gutter) 2.5rem;
  max-width: var(--maxw);
  margin-inline: auto;
}
.project__title { font-size: var(--step-3); margin: 1rem 0 0.5rem; }
.project__sub { color: var(--cream-dim); font-size: var(--step-1); }

.project__cover { aspect-ratio: 16 / 9; background: var(--ember); }
.project__cover img { width: 100%; height: 100%; object-fit: cover; }

.project__intro {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  padding: var(--block) var(--gutter);
  max-width: var(--maxw);
  margin-inline: auto;
}
@media (min-width: 900px) { .project__intro { grid-template-columns: 1fr 2fr; } }

.project__facts { display: grid; gap: 1.1rem; align-content: start; }
.project__facts dt {
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
}
.project__lede { font-size: var(--step-1); margin-bottom: 1.2rem; }
.project__text p + p { margin-top: 1.1rem; color: var(--cream-dim); }

.project__gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.75rem, 2vw, 1.75rem);
  padding: 0 var(--gutter) var(--block);
}
.media { grid-column: span 6; background: var(--ember); }
.media img { width: 100%; }
.media figcaption {
  margin-top: 0.6rem;
  font-size: var(--step--1);
  color: var(--muted);
}
@media (min-width: 760px) {
  .media--half  { grid-column: span 3; }
  .media--third { grid-column: span 2; }
  .media--full  { grid-column: span 6; }
}

.project-nav {
  display: grid;
  border-top: 1px solid var(--hairline);
}
@media (min-width: 760px) { .project-nav { grid-template-columns: 1fr 1fr; } }
.project-nav__item {
  padding: clamp(2rem, 5vw, 3.5rem) var(--gutter);
  display: grid;
  gap: 0.6rem;
  transition: background-color 0.4s var(--ease);
}
.project-nav__item:hover { background: var(--ember); }
.project-nav__item--next { text-align: right; border-left: 1px solid var(--hairline); }
.project-nav__label {
  font-size: var(--step--1);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.project-nav__title { font-family: var(--font-display); font-size: var(--step-1); }

/* About --------------------------------------------------------------- */
.about-preview, .about {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  max-width: var(--maxw);
  margin-inline: auto;
}
.about { padding: 0 var(--gutter) var(--block); }
@media (min-width: 900px) {
  .about-preview, .about { grid-template-columns: 1fr 1.2fr; align-items: start; }
}
.about-preview__media img, .about__media img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
}
.about-preview__body p + p, .about__text p + p { margin-top: 1.1rem; }
.about-preview__body .eyebrow { margin-bottom: 1rem; }

.services {
  display: grid;
  gap: 0;
  max-width: var(--maxw);
  margin: 2rem auto 0;
  border-top: 1px solid var(--hairline);
}
.services li {
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: 0.02em;
}

/* Contacto ------------------------------------------------------------ */
.contact {
  padding: calc(var(--block) + 4rem) var(--gutter) var(--block);
  max-width: var(--maxw);
  margin-inline: auto;
}
.contact__title { font-size: var(--step-3); margin: 1rem 0; }
.contact__lede { max-width: 44ch; color: var(--muted); }
.contact__channels { margin-top: 3.5rem; border-top: 1px solid var(--hairline); }
.contact__channels li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  align-items: baseline;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--hairline);
}
.contact__label {
  flex: 0 0 8rem;
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact__value { font-family: var(--font-display); font-size: var(--step-1); }
.contact__value:hover { color: var(--cream-dim); }

/* 404 ----------------------------------------------------------------- */
.notfound {
  min-height: 80svh;
  display: grid;
  align-content: center;
  gap: 1rem;
  padding: var(--block) var(--gutter);
  max-width: var(--maxw);
  margin-inline: auto;
}
.notfound__title { font-size: var(--step-3); }
.notfound__lede { color: var(--muted); }
.notfound .button { justify-self: start; margin-top: 1rem; }

/* Footer -------------------------------------------------------------- */
.site-footer { background: var(--ink); }
.site-footer__cta {
  padding: var(--block) var(--gutter);
  max-width: var(--maxw);
  margin-inline: auto;
}
.display-link {
  display: grid;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 0.95;
  letter-spacing: -0.03em;
}
.display-link span:last-child { color: var(--rust); transition: color 0.4s var(--ease); }
.display-link:hover span:last-child { color: var(--cream); }

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem var(--gutter);
  border-top: 1px solid var(--hairline);
  font-size: var(--step--1);
  color: var(--muted);
}
.site-footer__links { display: flex; gap: 1.5rem; }
.site-footer__links a:hover, .site-footer__contact a:hover { color: var(--cream); }


/* Fotos con placeholder --------------------------------------------------- */
/* .ph reserva el espacio exacto (aspect-ratio inline) y pinta el color
   dominante, así el layout no salta mientras cargan las imágenes. Encima va
   la miniatura borrosa, y encima de todo la foto real, que hace fade-in. */
.ph {
  position: relative;
  overflow: hidden;
  width: 100%;
  /* La proporción real de la foto la pone el server en --ratio. */
  aspect-ratio: var(--ratio, 3 / 2);
}

/* En la grilla de tarjetas mandan la uniformidad y el recorte, no la
   proporción original: si no, cada tarjeta tiene un alto distinto. */
.card__media .ph { aspect-ratio: 3 / 4; }
.stream-item__media .ph { aspect-ratio: 4 / 3; }
.about__media .ph, .about-preview__media .ph { aspect-ratio: 4 / 5; }
.ph__blur {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(16px);
  transform: scale(1.08);
}
.ph__img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.ph__img.is-loaded { opacity: 1; }

/* Una vez que la foto real está, el borroso deja de pintarse. Queda detrás
   igual, así que si :has() no está soportado no se ve ninguna diferencia. */
.ph:has(.ph__img.is-loaded) .ph__blur {
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

/* Si el JS no corre, la foto tiene que verse igual. */
.no-js .ph__img { opacity: 1; }

.card__empty { width: 100%; aspect-ratio: 3 / 4; background: var(--ember); }
.project__empty {
  padding: 0 var(--gutter) var(--block);
  max-width: var(--maxw);
  margin-inline: auto;
  color: var(--muted);
}

/* Los contenedores que antes fijaban proporción ahora la reciben de .ph. */
.stream-item__media, .card__media, .project__cover { aspect-ratio: auto; }

/* Reveal on scroll ---------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* Mobile -------------------------------------------------------------- */
@media (max-width: 899px) {
  /* Ojo: backdrop-filter en .site-header crearía un containing block para
     descendientes con position:fixed y dejaría el overlay del menú a medio
     ocultar. Por eso el blur vive en un pseudo-elemento. */
  .site-header { mix-blend-mode: normal; isolation: auto; }
  .site-header::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(32, 6, 3, 0.72);
    backdrop-filter: blur(10px);
  }

  /* El marca y el botón quedan por encima del overlay, para poder cerrarlo. */
  .site-header__mark, .menu-toggle { position: relative; z-index: 70; }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: var(--step--1);
    letter-spacing: 0.18em;
    text-transform: uppercase;
  }
  .menu-toggle__bars { display: grid; gap: 4px; width: 20px; }
  .menu-toggle__bars i {
    height: 1px; background: currentColor;
    transition: transform 0.35s var(--ease);
  }
  .menu-toggle[aria-expanded="true"] .menu-toggle__bars i:first-child { transform: translateY(2.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle__bars i:last-child  { transform: translateY(-2.5px) rotate(-45deg); }

  .site-nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2rem;
    padding: var(--gutter);
    background: var(--ink);
    z-index: 60;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 0.55s var(--ease), visibility 0s linear 0.55s;
  }
  .site-nav[data-open="true"] {
    transform: none;
    visibility: visible;
    transition: transform 0.55s var(--ease), visibility 0s;
  }
  .site-nav__list { flex-direction: column; gap: 1rem; }
  .site-nav__list a { font-family: var(--font-display); font-size: var(--step-2); letter-spacing: 0; }

  .hero__scroll { display: none; }
  .project-nav__item--next { text-align: left; border-left: 0; border-top: 1px solid var(--hairline); }
}

/* Accesibilidad ------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}