/* ==========================================================================
   Portfolio — hoja de estilos principal
   Paleta: negro/blanco, tipografia grande, layout tipo grid de video-portfolio
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;600;900&family=Space+Mono:wght@400;700&display=swap');

:root {
  --bg: #0a0a0a;
  --fg: #f5f5f2;
  --fg-dim: rgba(245, 245, 242, 0.55);
  --fg-dimmer: rgba(245, 245, 242, 0.3);
  --accent: #f5f5f2;
  --gap: 1.5rem;
  --nav-h: 84px;
  --ease: cubic-bezier(0.65, 0, 0.35, 1);
  --font-display: 'Archivo', Helvetica, Arial, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

button { font-family: inherit; background: none; border: none; color: inherit; cursor: pointer; }

/* ---------- utilidades ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.container { padding-inline: clamp(1.25rem, 4vw, 3rem); }

/* ---------- navegación ---------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  mix-blend-mode: difference;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}

.nav-links a:hover::after,
.nav-links a.is-active::after { width: 100%; }

.nav-toggle { display: none; }

/* ---------- reel (home): video de fondo fijo + lista de proyectos ---------- */
.reel-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: #000;
}

.reel-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.7s var(--ease);
}

.reel-video.is-active { opacity: 0.85; }

.reel-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 25%, rgba(0,0,0,0.65) 100%);
}

.reel-list-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding-top: calc(var(--nav-h) + 3rem);
  padding-bottom: 6rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.reel-lead { margin-bottom: 1.5rem; }

.reel-list { border-top: 1px solid rgba(245, 245, 242, 0.15); }

.reel-item { border-bottom: 1px solid rgba(245, 245, 242, 0.15); }

.reel-item a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding: 0.9rem 0;
}

.reel-item-title {
  font-weight: 900;
  font-size: clamp(1.7rem, 5.5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  opacity: 0.5;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.reel-item-cat {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.reel-item.is-active .reel-item-title,
.reel-item:hover .reel-item-title {
  opacity: 1;
  transform: translateX(0.4em);
}

.reel-item.is-active .reel-item-cat,
.reel-item:hover .reel-item-cat { opacity: 1; }

/* ---------- work grid ---------- */
.page-head {
  padding: calc(var(--nav-h) + 2.5rem) 0 2rem;
}

.page-head h1 {
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 4rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
  padding-bottom: 4rem;
}

.work-item {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #111;
}

.work-item-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.work-item-media img,
.work-item-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), opacity 0.4s ease;
}

.work-item-media video {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.work-item:hover .work-item-media img { transform: scale(1.04); }
.work-item.is-playing .work-item-media video { opacity: 1; }
.work-item.is-playing .work-item-media img { opacity: 0; }

.work-item-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.55) 100%);
}

.work-item-title {
  font-weight: 600;
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.work-item-cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

/* ---------- project detail ---------- */
.project-hero {
  position: relative;
  width: 100%;
  height: 88vh;
  min-height: 420px;
  margin-top: var(--nav-h);
  overflow: hidden;
  background: #000;
}

.project-hero img,
.project-hero video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-meta {
  padding: 3rem 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  border-bottom: 1px solid rgba(245,245,242,0.12);
}

.project-meta h1 {
  grid-column: 1 / -1;
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.project-meta dl { margin: 0; }
.project-meta dt { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 0.3rem; }
.project-meta dd { margin: 0; font-size: 0.95rem; }

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
  padding: 3rem 0 5rem;
}

.project-gallery img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.project-gallery .full { grid-column: 1 / -1; aspect-ratio: 16/9; }

.project-next {
  border-top: 1px solid rgba(245,245,242,0.12);
  padding: 2.5rem 0 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-next a { font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- info page ---------- */
.info-layout {
  padding-top: calc(var(--nav-h) + 3rem);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  padding-bottom: 5rem;
}

.info-bio p {
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  line-height: 1.4;
  font-weight: 400;
  margin: 0 0 1.5rem;
}

.info-block { margin-bottom: 2.5rem; }
.info-block h2 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-dim); margin: 0 0 0.9rem; }
.info-block ul li { margin-bottom: 0.5rem; font-size: 1rem; }
.info-block a { border-bottom: 1px solid var(--fg-dimmer); transition: border-color 0.3s var(--ease); }
.info-block a:hover { border-color: var(--fg); }

/* ---------- footer ---------- */
.site-footer {
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-dim);
  border-top: 1px solid rgba(245,245,242,0.1);
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .work-grid { grid-template-columns: 1fr; }
  .project-meta { grid-template-columns: repeat(2, 1fr); }
  .project-gallery { grid-template-columns: 1fr; }
  .info-layout { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  body.nav-open .nav-links {
    display: flex;
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    background: var(--bg);
    flex-direction: column;
    padding: 2rem clamp(1.25rem, 4vw, 3rem);
    gap: 1.5rem;
    mix-blend-mode: normal;
  }
  body.nav-open .nav-links a { font-size: 1.2rem; }
}