/* ============================================================
   TOKENS — toda la paleta y tipografía vive acá.
   Cambiá un valor acá y se propaga a todo el sitio.
   ============================================================ */
:root {
  /* Paleta Pulgga. El burgundy es EL color de la marca: manda en todo lo
     que destaca. El texto va en un negro cálido neutro para no competir
     con él, y el café de marca (#5B1A00) queda como terciario real:
     solo detalles pequeños, nunca bloques grandes. */
  --paper: #FAF0E6;        /* linen de marca — fondo */
  --paper-card: #FFF9F2;
  --paper-dim: #F0E4D8;
  --ink: #221B1A;          /* negro cálido — texto y titulares */
  --ink-muted: #5C5350;
  --line: #E7D9CD;

  --accent: #800020;       /* principal de marca — burgundy */
  --accent-deep: #5B1A00;  /* terciario de marca — detalles chicos */
  --accent-dim: #F0DCD6;
  --accent-contrast-muted: #E8C9C4; /* texto secundario sobre fondo --accent */

  --font-display: "Hanken Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --font-body: "Karla", sans-serif;

  --nav-h: 64px;
  --max-w: 1100px;
}

/* ============================================================
   RESET / BASE
   ============================================================ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

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

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--accent-deep);
  margin: 0 0 0.6rem;
}
.section-tag-invert { color: var(--accent-contrast-muted); }

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--accent);
  margin: 0 0 1.2rem;
}

/* ============================================================
   AF-BOX — el cursor "caja de enfoque" de cámara.
   Se mueve libre siguiendo el mouse; cuando pasa sobre un
   elemento con [data-af] se "traba" sobre su tamaño exacto,
   como un autofocus real. Ver js/main.js.
   ============================================================ */
.af-box {
  position: fixed;
  top: 0;
  left: 0;
  width: 46px;
  height: 46px;
  pointer-events: none;
  z-index: 500;
  transform: translate(-1000px, -1000px);
  transition: width 0.18s ease, height 0.18s ease, opacity 0.2s ease;
  opacity: 0;
}
.af-box.is-active { opacity: 1; }

.af-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
}
.af-tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.af-tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.af-bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.af-br { bottom: 0; right: 0; border-left: none; border-top: none; }

.af-tag {
  position: absolute;
  bottom: -22px;
  left: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  white-space: nowrap;
}

@media (hover: none) {
  .af-box { display: none; }
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.2rem, 4vw, 3rem);
  background: rgba(250, 240, 230, 0.9);   /* var(--paper) con alfa */
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.nav-logo-mark {
  width: 18px;
  height: auto;
  color: var(--accent);
}
.nav-logo-blink {
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  display: flex;
  gap: clamp(1rem, 2.5vw, 1.8rem);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.nav-links a { color: var(--ink-muted); transition: color 0.15s ease; }
.nav-links a:hover { color: var(--accent); }
.nav-photo { color: var(--accent) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem clamp(1.2rem, 4vw, 3rem);
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 1.2rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(3rem, 11vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem;
}
.hero-title-nick { color: var(--accent); }

.hero-sub {
  max-width: 46ch;
  color: var(--ink-muted);
  font-size: 1.05rem;
  margin: 0 0 3rem;
}

.hero-scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  width: fit-content;
}
.hero-scroll-line {
  width: 40px;
  height: 1px;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.hero-scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}
.hero-scroll:hover .hero-scroll-line::after { transform: translateX(0); }

/* ============================================================
   SECTIONS — layout general
   ============================================================ */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem clamp(1.2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

/* about */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
}
.about-text p { margin: 0 0 1.1rem; max-width: 62ch; }
.about-text a { color: var(--accent); border-bottom: 1px solid currentColor; }

.about-meta {
  border-left: 1px solid var(--line);
  padding-left: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-self: start;
}
.meta-row { display: flex; flex-direction: column; gap: 0.2rem; }
.meta-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.meta-value { font-weight: 500; }

/* habilidades — rasgos de cómo trabaja, no barras de "nivel" */
.trait-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem 2.5rem;
}
.trait { border-top: 2px solid var(--accent); padding-top: 0.9rem; }
.trait-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent-deep);
  margin-bottom: 0.5rem;
}
.trait p { margin: 0; color: var(--ink-muted); font-size: 0.95rem; }

/* projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.project-card {
  display: block;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.project-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.project-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
}
.project-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
}
.project-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}
.project-desc { color: var(--ink-muted); font-size: 0.95rem; margin: 0 0 1.2rem; }
.project-stack { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.project-stack span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  color: var(--ink-muted);
}

.project-card-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  border-style: dashed;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
}

/* university */
.course-log { display: flex; flex-direction: column; }
.course-row {
  display: grid;
  grid-template-columns: 8ch 1fr 6ch;
  gap: 1rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.course-row:last-child { border-bottom: 1px solid var(--line); }
.course-code { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; }
.course-year { font-family: var(--font-mono); color: var(--ink-muted); font-size: 0.85rem; text-align: right; }

/* cv */
.cv-block {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: center;
}
.cv-text p { color: var(--ink-muted); max-width: 50ch; margin: 0; }
.cv-download {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  padding: 1.4rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.cv-download:hover { background: var(--ink); color: var(--paper); }
.cv-download-label { font-family: var(--font-mono); font-weight: 600; font-size: 1.1rem; }
.cv-download-hint { font-size: 0.8rem; color: var(--ink-muted); }
.cv-download:hover .cv-download-hint { color: var(--paper-dim); }

/* photo banner — bloque sólido del color principal de marca */
.photo-banner {
  background: var(--accent);
  color: var(--paper);
  padding: 6rem clamp(1.2rem, 4vw, 3rem);
}
.photo-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.photo-banner-title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 6vw, 4rem);
  margin: 0 0 1rem;
}
.photo-banner-sub {
  color: var(--accent-contrast-muted);
  max-width: 42ch;
  margin: 0 0 2rem;
}
.photo-banner-link {
  display: inline-block;
  font-family: var(--font-mono);
  border: 1px solid var(--paper);
  color: var(--paper);
  padding: 0.8rem 1.4rem;
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
}
.photo-banner-link:hover { background: var(--paper); color: var(--accent); }

/* contact */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
}
.contact-links a { width: fit-content; border-bottom: 1px solid transparent; }
.contact-links a:hover { border-color: var(--accent); color: var(--accent); }

/* footer */
.footer {
  display: flex;
  justify-content: space-between;
  padding: 2rem clamp(1.2rem, 4vw, 3rem);
  max-width: var(--max-w);
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* ============================================================
   ADELANTO DE UNIVERSIDAD EN LA HOME
   ============================================================ */
.uni-teaser {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.6rem;
}
.uni-teaser-text { margin: 0; max-width: 58ch; color: var(--ink-muted); }

/* ============================================================
   PORTAFOLIO DE UNIVERSIDAD — un bloque por trabajo.
   Cada trabajo puede mostrarse como modelo 3D, documento o fotos.
   ============================================================ */
.work-list { display: flex; flex-direction: column; }
.work {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}
.work-meta {
  display: flex;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}
.work-course { color: var(--accent-deep); }
.work-year { color: var(--ink-muted); }
.work-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.7rem;
}
.work-desc { color: var(--ink-muted); margin: 0 0 1.2rem; }
.work-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.work-tags li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
}

.btn-secondary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 0.6rem 1.1rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.btn-secondary:hover { background: var(--accent); color: var(--paper); }

/* Visor 3D. reveal="interaction" hace que el .glb NO se descargue
   hasta que la persona lo toca: en celular no pesa nada hasta que
   decide mirarlo. */
.viewer-wrap {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.viewer {
  display: block;
  width: 100%;
  height: 340px;
  background: var(--paper-dim);
  --poster-color: transparent;
}
.viewer-hint {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.5rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  background: linear-gradient(transparent, rgba(250, 240, 230, 0.92));
  pointer-events: none;
}

/* Portada de documento PDF */
.doc-cover {
  position: relative;
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--paper-dim);
}
.doc-cover img { display: block; width: 100%; height: auto; }
.doc-cover-badge {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  background: var(--accent);
  color: var(--paper);
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
}

/* Tira de fotos */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}
.photo-thumb {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--paper-dim);
  cursor: pointer;
  aspect-ratio: 1;
}
.photo-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.photo-thumb:hover img { transform: scale(1.05); }

/* Visor de fotos a pantalla completa */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(34, 27, 26, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox[hidden] { display: none; }
.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: none;
  border: none;
  color: var(--paper);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.5rem;
}

/* ============================================================
   PÁGINA DE CASO (ej. sharecar.html)
   ============================================================ */
.nav-links-simple {
  font-size: 0.85rem;
}
.case {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 4vw, 3rem);
}
.case-hero { padding: 4.5rem 0 3rem; }
.case-title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(2.6rem, 9vw, 5rem);
  line-height: 0.95;
  color: var(--accent);
  margin: 0 0 1.2rem;
}
.case-lede {
  font-size: 1.2rem;
  max-width: 50ch;
  margin: 0 0 2.2rem;
}
.case-actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: flex-start;
}
.case-actions-note {
  font-size: 0.85rem;
  color: var(--ink-muted);
  max-width: 44ch;
}
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 0.9rem 1.6rem;
  border-radius: 6px;
  transition: background 0.15s ease;
}
.btn-primary:hover { background: var(--accent-deep); }

.case-section {
  padding: 2.6rem 0;
  border-top: 1px solid var(--line);
}
.case-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.case-section p { margin: 0 0 1rem; max-width: 62ch; }

.case-list { display: flex; flex-direction: column; gap: 1.1rem; }
.case-list li { max-width: 62ch; color: var(--ink-muted); }
.case-list-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.case-stack { display: flex; flex-direction: column; }
.case-stack-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.case-stack-k {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent-deep);
}
.case-note {
  margin-top: 1.4rem !important;
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.case-cta {
  padding: 3rem 0 5rem;
  border-top: 1px solid var(--line);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 1.2rem;
    gap: 1rem;
    display: none;
  }
  .nav-links.is-open { display: flex; }

  /* La nav de las páginas de caso no tiene botón hamburguesa:
     su único link tiene que seguir visible en móvil. */
  .nav-links-simple {
    display: flex;
    position: static;
    padding: 0;
    background: none;
    border: none;
  }

  .about-grid, .cv-block { grid-template-columns: 1fr; }
  .about-meta { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.2rem; }
  .course-row { grid-template-columns: 6ch 1fr; }
  .course-year { grid-column: 2; text-align: left; margin-top: -0.4rem; }
  .case-stack-row { grid-template-columns: 1fr; gap: 0.2rem; }
  .work { grid-template-columns: 1fr; gap: 1.5rem; }
  .viewer { height: 260px; }
}