/* ============================================================
   Portfolio — sistema de diseño Lancheros (tema oscuro)
   Tokens: papel, alto, tinta, suave, linea, burbuja + estados
   ============================================================ */

:root {
  --papel: #131314;
  --alto: #1c1c1e;
  --tinta: #e9e8e4;
  --suave: #96958f;
  --linea: #2c2c2e;
  --burbuja: #2a2a2c;
  --ok: #25d366;
  --warn: #fbbf24;
  --error: #f87171;
  --info: #60a5fa;

  --display: "Archivo", system-ui, sans-serif;
  --body: "Alegreya Sans", georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --max: 1140px;
  --pad: clamp(20px, 5vw, 40px);
  --topbar-h: 64px;

  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Grano de papel: SVG feTurbulence a opacidad muy baja */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (max-width: 640px) {
  body::before { display: none; }
}

img, svg { display: block; max-width: 100%; }
svg { flex: none; }

a { color: inherit; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.no-break { white-space: nowrap; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---------- Foco y accesibilidad ---------- */

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

.skip {
  position: absolute;
  left: 12px;
  top: -100px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--tinta);
  color: var(--papel);
  border-radius: var(--r-md);
  font-family: var(--display);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease;
}
.skip:focus {
  transform: translateY(112px);
}

/* ---------- Topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--papel);
  border-bottom: 1px solid var(--linea);
}
/* Translucidez solo donde hay soporte real; si no, fondo sólido. */
@supports (background: color-mix(in srgb, red, blue)) {
  .topbar {
    background: color-mix(in srgb, var(--papel) 88%, transparent);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}

.topbar__inner {
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 8px;
  margin-left: -8px;
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--tinta);
}
.brand__mark { color: var(--suave); }
.brand:hover .brand__mark { color: var(--tinta); }
.brand__name {
  font-family: var(--display);
  font-variation-settings: "wdth" 112;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 16px;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--suave);
  font-family: var(--display);
  font-weight: 600;
  font-size: 15px;
}
.nav__link:hover { color: var(--tinta); background: var(--burbuja); }

/* ---------- Tipografía base ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--suave);
  margin: 0 0 14px;
}

.section-title {
  font-family: var(--display);
  font-variation-settings: "wdth" 114;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.02;
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  margin: 0 0 12px;
  text-wrap: balance;
}

.section-sub {
  margin: 0;
  max-width: 56ch;
  color: var(--suave);
  font-size: 18px;
  font-style: italic;
}

/* ---------- Hero ---------- */

.hero { padding: clamp(40px, 9vw, 96px) 0 clamp(48px, 8vw, 88px); }

.hero__plate {
  border: 1px solid var(--linea);
  border-radius: var(--r-lg);
  background: var(--alto);
  padding: clamp(28px, 5vw, 56px);
  max-width: 900px;
}

.hero__name {
  font-family: var(--display);
  font-variation-settings: "wdth" 118;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.94;
  font-size: clamp(3rem, 12vw, 7rem);
  margin: 0 0 18px;
  text-wrap: balance;
}

/* La línea mono se teclea con JS. Sin JS se muestra la versión estática. */
.hero__typed {
  display: none;
  font-size: 15px;
  color: var(--tinta);
  margin: 0 0 20px;
  min-height: 1.5em;
  overflow-wrap: anywhere;
}
body.has-typed .hero__typed { display: block; }
body.has-typed .hero__typed--full { display: none; }
.hero__typed--full { margin: 0 0 20px; font-size: 15px; color: var(--tinta); }

.caret {
  display: inline-block;
  width: 0.6em;
  background: var(--tinta);
  color: var(--tinta);
  animation: blink 1.05s steps(1, end) infinite;
}
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

.hero__lead {
  margin: 0 0 28px;
  max-width: 52ch;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--tinta);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.hero__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  color: var(--suave);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  flex: none;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--linea);
  font-family: var(--display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 180ms ease;
}
.btn--primary {
  background: var(--tinta);
  color: var(--papel);
  border-color: var(--tinta);
}
.btn--ghost {
  background: transparent;
  color: var(--tinta);
}
.btn--ghost:hover { background: var(--burbuja); border-color: var(--suave); }
.btn--lg { min-height: 52px; padding: 0 30px; font-size: 16px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* ---------- Sección proyectos ---------- */

.projects { padding: clamp(40px, 7vw, 80px) 0; border-top: 1px solid var(--linea); }

.section-head { margin-bottom: clamp(28px, 5vw, 48px); }

.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--alto);
  border: 1px solid var(--linea);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: 0 1px 2px color-mix(in srgb, var(--papel) 60%, transparent);
  transition: transform 220ms ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--suave); }

.card__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--linea);
}
.card__index { font-size: 12px; color: var(--suave); }
.card__title {
  font-family: var(--display);
  font-variation-settings: "wdth" 112;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
}

.card__desc {
  margin: 0 0 20px;
  color: var(--suave);
  font-size: 16px;
}

.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
}
.chip {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  background: var(--burbuja);
  border: 1px solid var(--linea);
  color: var(--tinta);
}

.card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--linea);
  text-decoration: none;
  color: var(--tinta);
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 180ms ease;
}
.link:hover { background: var(--burbuja); border-color: var(--suave); transform: translateY(-1px); }
.link--plain {
  border: none;
  padding: 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--tinta);
  text-decoration: underline;
  text-decoration-color: var(--suave);
  text-underline-offset: 3px;
  font-family: var(--mono);
  overflow-wrap: anywhere;
}
.link--plain:hover { text-decoration-color: var(--tinta); background: none; transform: none; }

/* ---------- Contacto ---------- */

.contact { padding: clamp(40px, 7vw, 80px) 0; border-top: 1px solid var(--linea); }

.contact__panel {
  border: 1px solid var(--linea);
  border-radius: var(--r-lg);
  background: var(--alto);
  padding: clamp(28px, 5vw, 52px);
}
.contact__panel .btn { margin: 24px 0 32px; }

.contact__list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--linea);
}
.contact__row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--linea);
}
.contact__row dt { color: var(--suave); font-size: 13px; }
.contact__row dd { margin: 0; font-size: 15px; }

/* ---------- Footer ---------- */

.footer { border-top: 1px solid var(--linea); }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 72px;
  padding-block: 16px;
}
.footer__meta { margin: 0; color: var(--tinta); font-size: 14px; }
.footer__note { margin: 0; color: var(--suave); font-size: 12px; }

/* ---------- Reveal ---------- */

.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity 300ms ease, transform 300ms ease; }

/* ---------- Responsive ---------- */

@media (max-width: 560px) {
  .contact__row { grid-template-columns: 1fr; gap: 4px; }
  .footer__inner { justify-content: flex-start; }
}

@media (max-width: 400px) {
  body { font-size: 16px; }
  .btn { width: 100%; }
  .hero__actions { flex-direction: column; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .reveal.is-in { transition: none; }
  .btn, .card, .link, .brand__mark, .skip { transition: none; }
  .btn:hover, .card:hover, .link:hover { transform: none; }
  .caret { animation: none; }
}