/* =========================================================
   Portfolio de Samuel Senén López
   Índice:
   1. Variables (colores, fuentes, medidas)
   2. Base
   3. Utilidades y botones
   4. Animaciones de entrada (reveal y texto dividido)
   5. Navegación
   6. Portada (hero) y banner
   7. Experiencia
   8. Lo que he construido
   9. Stack
   10. Formación e idiomas
   11. Contacto y pie
   ========================================================= */

/* ---------- 1. Variables ----------
   Fuentes: Geist y Geist Mono (variables, solo caracteres latinos) */
@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/geist.woff2') format('woff2');
}

@font-face {
  font-family: 'Geist Mono';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/geist-mono.woff2') format('woff2');
}

/* Oscuro por defecto. El modo claro se activa con [data-theme="light"] en <html>. */
:root {
  --bg: #0d0f12;
  --surface: #14171c;
  --surface-2: #1b1f26;
  --border: #272c35;
  --border-strong: #3a414d;
  --text: #e9ebee;
  --muted: #9aa3ae;
  --accent: #4d8dff;
  --accent-soft: rgb(77 141 255 / 0.12);
  --on-accent: #050c1c;
  --shadow: 0 24px 60px -24px rgb(0 0 0 / 0.6);

  --font-sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --font-display: var(--font-sans);
  --font-mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', monospace;

  --radius: 8px;
  --max: 1120px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: dark;
}

:root[data-theme='light'] {
  --bg: #f3f4f6;
  --surface: #fbfbfc;
  --surface-2: #e9ecf0;
  --border: #d6dae1;
  --border-strong: #b9bfc9;
  --text: #13161b;
  --muted: #535c68;
  --accent: #1f5ad6;
  --accent-soft: rgb(31 90 214 / 0.09);
  --on-accent: #f5f8ff;
  --shadow: 0 24px 60px -28px rgb(40 48 60 / 0.35);

  color-scheme: light;
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* El desplazamiento suave de los enlaces internos se hace en main.js:
   scroll-behavior: smooth en CSS interfiere con los cálculos de ScrollTrigger */
html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 5rem;
  /* Base de 15px: textos, espacios y títulos en rem salen algo más compactos */
  font-size: 93.75%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 600;
  text-wrap: balance;
}

h1,
h2 {
  font-family: var(--font-display);
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: inherit;
}

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

img,
svg {
  display: block;
}

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Secciones que reciben el foco al usar los enlaces internos (main.js) */
[tabindex='-1']:focus {
  outline: none;
}

/* Transición circular al cambiar de tema (View Transitions API) */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

/* ---------- 3. Utilidades y botones ---------- */
.icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-md {
  width: 18px;
  height: 18px;
}

.icon-lg {
  width: 22px;
  height: 22px;
}

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

.mono {
  font-family: var(--font-mono);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.section {
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.375rem);
}

.section-intro {
  margin-top: 1rem;
  max-width: 52ch;
  color: var(--muted);
  font-size: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 42px;
  padding: 0 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary .icon {
  transition: transform 0.25s var(--ease-out);
}

.btn-primary:hover .icon {
  transform: translateX(3px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  border-color: var(--text);
}

/* Botones magnéticos: GSAP mueve el botón, así que no se anima transform con CSS */
.magnetic {
  will-change: transform;
  transition-property: background-color, border-color, color;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s var(--ease-out);
}

.icon-btn:hover {
  border-color: var(--border-strong);
}

.icon-btn:active {
  transform: scale(0.94);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---------- 4. Animaciones de entrada ----------
   Solo se oculta contenido si hay JavaScript (clase .js en <html>)
   y el usuario no ha pedido movimiento reducido. */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    transition-delay: calc(var(--i, 0) * 80ms);
  }

  .js .reveal.is-in {
    opacity: 1;
    transform: none;
  }

  /* Elementos que anima GSAP al cargar */
  .js [data-hero],
  .js [data-split]:not(.is-split) {
    visibility: hidden;
  }

  .js .split:not(.done) .c {
    transform: translateY(115%);
  }

  .js .rail-fill {
    transform: scaleY(0);
  }
}

/* Texto dividido en palabras/letras (lo hace splitText() en main.js) */
.split .w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding: 0.12em 0 0.1em;
  margin: -0.12em 0 -0.1em;
}

.split .c {
  display: inline-block;
}

/* ---------- 5. Navegación ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--border);
  transition: transform 0.45s var(--ease-out);
}

/* Se oculta al bajar y reaparece al subir (animations.js) */
.nav-hidden .nav {
  transform: translateY(-100%);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 64px;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

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

.links a {
  position: relative;
  color: var(--muted);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.links a:hover,
.links a.active {
  color: var(--text);
}

.links a:hover::after,
.links a.active::after {
  transform: scaleX(1);
}

.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(var(--progress, 0));
}

.actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: 40px;
  padding-inline: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.lang:hover {
  border-color: var(--border-strong);
}

html[lang='es'] .lang [data-lang='es'],
html[lang='en'] .lang [data-lang='en'] {
  color: var(--text);
  font-weight: 600;
}

.lang .sep {
  opacity: 0.5;
}

/* El icono muestra el modo al que vas a cambiar */
[data-theme='dark'] .theme-toggle .i-moon,
[data-theme='light'] .theme-toggle .i-sun {
  display: none;
}

/* Botón de menú: solo en móvil */
.menu-btn {
  display: none;
  height: 40px;
  padding-inline: 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  cursor: pointer;
}

.menu-btn[aria-expanded='true'] .menu-open,
.menu-btn[aria-expanded='false'] .menu-close {
  display: none;
}

@media (max-width: 767px) {
  .menu-btn {
    display: inline-flex;
    align-items: center;
  }

  /* Los enlaces se despliegan en un panel bajo la barra */
  .links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--gutter) 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s var(--ease-out), visibility 0s linear 0.25s;
  }

  .nav.open .links {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition-delay: 0s;
  }

  .links a {
    padding-block: 0.85rem;
    font-size: 1.125rem;
    color: var(--text);
  }

  .links a + a {
    border-top: 1px solid var(--border);
  }

  .links a::after {
    display: none;
  }
}

/* ---------- 6. Portada (hero) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  border-bottom: 1px solid var(--border);
}

/* Rejilla de puntos: se desvanece hacia los bordes */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 40%, #000 35%, transparent 85%);
  mask-image: radial-gradient(120% 90% at 50% 40%, #000 35%, transparent 85%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
  min-height: calc(100dvh - 64px - 12rem);
}

.role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  color: var(--muted);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
}

/* Disponibilidad: el punto indica un estado real, no es decoración */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgb(34 197 94 / 0.18);
}

.hero-title {
  margin-top: 1.1rem;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  letter-spacing: -0.045em;
  line-height: 1;
  max-width: 11ch;
}

.lead {
  margin-top: 1.5rem;
  max-width: 40ch;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  color: var(--muted);
}

.ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.visual {
  justify-self: end;
  width: 100%;
  max-width: 360px;
}

/* En escritorio la portada ocupa la pantalla porque se fija durante el scroll */
@media (min-width: 900px) {
  .hero {
    display: flex;
    align-items: center;
    min-height: 100dvh;
  }

  .hero-grid {
    min-height: 0;
  }
}

@media (max-width: 899px) {
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .visual {
    justify-self: start;
  }
}

/* Tablet en vertical: texto y banner lado a lado, sin hueco a la derecha */
@media (min-width: 700px) and (max-width: 899px) {
  .hero-grid {
    grid-template-columns: 1fr minmax(240px, 300px);
    gap: 2rem;
  }

  .visual {
    justify-self: end;
  }
}

/* Banner 300x250. Medidas en cqw: 1cqw = 3px cuando el banner mide 300px */
.demo {
  margin: 0;
}

.frame {
  position: relative;
  padding: 14px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

.frame .size {
  position: absolute;
  top: -0.7rem;
  left: 12px;
  padding-inline: 6px;
  background: var(--bg);
  font-size: 0.75rem;
  color: var(--muted);
}

.banner {
  position: relative;
  overflow: hidden;
  aspect-ratio: 300 / 250;
  container-type: inline-size;
  background: var(--surface-2);
  border-radius: 4px;
  box-shadow: var(--shadow);
}

.shape {
  position: absolute;
  border-radius: 2px;
  background: var(--accent);
}

.s1 {
  width: 22cqw;
  height: 22cqw;
  right: -6cqw;
  top: -6cqw;
}

.s2 {
  width: 9cqw;
  height: 9cqw;
  left: 8cqw;
  bottom: 10cqw;
  background: transparent;
  border: 1.2cqw solid var(--accent);
}

.s3 {
  width: 4cqw;
  height: 4cqw;
  right: 20cqw;
  bottom: 22cqw;
  opacity: 0.6;
}

.banner .f {
  position: absolute;
  left: 8cqw;
  right: 8cqw;
  top: 50%;
  translate: 0 -50%;
  font-family: var(--font-display);
  font-size: 11cqw;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.banner .end {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8cqw;
}

.end-logo {
  font-size: 9cqw;
  font-weight: 600;
  color: var(--accent);
}

.end-text {
  margin-top: 3cqw;
  font-size: 5.6cqw;
  line-height: 1.3;
  max-width: 70cqw;
}

.end-cta {
  align-self: flex-start;
  margin-top: 6cqw;
  padding: 2.6cqw 4.6cqw;
  border-radius: 1.4cqw;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 4.6cqw;
  font-weight: 600;
  text-decoration: none;
}

/* Sin JavaScript o sin GSAP se ve solo el frame final */
html:not(.js) .banner .f {
  display: none;
}

/* Estado inicial antes de que GSAP tome el control */
.js .banner .f,
.js .banner .end > * {
  visibility: hidden;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.controls .icon-btn {
  width: 36px;
  height: 36px;
}

.b-toggle[data-state='paused'] .i-pause,
.b-toggle:not([data-state='paused']) .i-play {
  display: none;
}

.scrub {
  flex: 1;
  min-width: 0;
  height: 36px;
  accent-color: var(--accent);
  cursor: pointer;
}

.time {
  min-width: 3.2rem;
  text-align: right;
  font-size: 0.8125rem;
  color: var(--muted);
}

.demo figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* ---------- 7. Experiencia ---------- */
/* Por encima de la portada, que queda fijada debajo durante el túnel */
#experiencia {
  position: relative;
  z-index: 1;
  background: var(--bg);
}

/* Durante el túnel (animations.js) la experiencia está encima de la portada:
   transparente para que se vea el túnel, y sin bloquear los clics de la portada */
.tunnel-active #experiencia {
  background: transparent;
  pointer-events: none;
}

.tunnel-active #experiencia .exp-grid {
  pointer-events: auto;
}

/* Título arriba y línea de tiempo debajo, alineados a la izquierda */
.exp-grid {
  display: grid;
  gap: 2.5rem;
}

.timeline {
  position: relative;
  max-width: 860px;
  padding-left: 2rem;
}

.rail {
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.rail-fill {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform-origin: top;
}

.job {
  position: relative;
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 1.5rem;
  padding-block: 2rem;
}

.job + .job {
  border-top: 1px solid var(--border);
}

.job:first-child {
  padding-top: 0.4rem;
}

.node {
  position: absolute;
  left: calc(-2rem - 4px);
  top: 2.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  transition: background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.job:first-child .node {
  top: 0.85rem;
}

.job.active .node {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.dates {
  font-size: 0.8125rem;
  color: var(--muted);
  padding-top: 0.3rem;
}

.now {
  color: var(--accent);
}

.job h3 {
  font-size: 1.125rem;
  letter-spacing: -0.015em;
}

.at {
  color: var(--muted);
  font-weight: 500;
}

.city {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.points {
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
  max-width: 62ch;
}

.points li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 1px;
  background: var(--accent);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.25rem;
}

@media (max-width: 599px) {
  .job {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* ---------- 8. Lo que he construido ---------- */
.work {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.bento {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.875rem;
  margin-top: 2rem;
}

.cell {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 2.2vw, 1.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.cell > * {
  position: relative;
}

.cell .icon-lg {
  color: var(--accent);
}

.cell h3 {
  margin-top: 0.85rem;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
}

.cell p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
  max-width: 46ch;
}

/* Brillo que sigue al cursor (animations.js pone las variables --mx y --my) */
.spot {
  transition: transform 0.4s var(--ease-out), border-color 0.3s ease;
}

.spot::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), var(--accent-soft), transparent 45%);
}

.spot::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), var(--accent), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
}

@media (hover: hover) {
  .spot:hover {
    transform: translateY(-4px);
  }

  .spot:hover::before,
  .spot:hover::after {
    opacity: 1;
  }
}

/* Sistema QR: celda ancha con el recorrido de la petición */
.qr {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
  background:
    radial-gradient(120% 90% at 100% 100%, var(--accent-soft), transparent 60%),
    var(--bg);
}

.emails {
  grid-column: span 2;
}

/* Banners: formatos dibujados a escala */
.banners {
  grid-column: span 2;
}

/* Los formatos se dibujan a escala y ocupan todo el ancho de la tarjeta:
   160 + 970 = 1130 px de banner en horizontal, más 8px de separación.
   --u es lo que mide 1px de banner (cqw = ancho de .formats). */
.formats {
  container-type: inline-size;
  display: flex;
  gap: 8px;
  align-items: flex-end;
  margin-top: 1.75rem;
  --u: calc((100cqw - 8px) / 1130);
}

.stack-col,
.fmt-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.stack-col {
  flex-direction: column;
  align-items: flex-start;
}

.fmt {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: clamp(0.5rem, calc(var(--u) * 26), 0.6875rem);
  white-space: nowrap;
  color: var(--muted);
}

.f-160x600 {
  width: calc(var(--u) * 160);
  height: calc(var(--u) * 600);
  /* Texto en vertical: el formato es demasiado estrecho para leerlo en horizontal */
  writing-mode: vertical-rl;
}

.f-970x250 { width: calc(var(--u) * 970); height: calc(var(--u) * 250); }
.f-728x90 { width: calc(var(--u) * 728); height: calc(var(--u) * 90); }
.f-300x250 { width: calc(var(--u) * 300); height: calc(var(--u) * 250); }
.f-320x50 { width: calc(var(--u) * 320); height: calc(var(--u) * 50); }

/* Emails: patrón de líneas tipo bandeja */
.emails {
  padding-bottom: 5.5rem;
  background:
    repeating-linear-gradient(180deg, transparent 0 22px, var(--border) 22px 23px) bottom / 100% 3.5rem no-repeat,
    var(--bg);
}

.flow {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.875rem;
}

.flow li {
  min-width: 7.5rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.flow li + li::before {
  content: '↓';
  margin-right: 0.5rem;
  color: var(--accent);
}

.flow li.on {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.wordpress {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.snippet {
  margin: 0;
  padding: 1rem 1.1rem;
  white-space: pre-wrap;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--text);
}

.snippet .ln {
  display: block;
  min-height: 1.7em;
}

.snippet .c {
  color: var(--accent);
}

.snippet .k {
  color: var(--muted);
  font-weight: 600;
}

@media (max-width: 899px) {
  .bento {
    grid-template-columns: 1fr;
  }

  .qr,
  .emails,
  .banners,
  .wordpress {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .flow {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .flow li {
    min-width: 0;
  }

  .flow li + li::before {
    content: '→';
  }

  .emails {
    padding-bottom: 4rem;
  }
}

@media (min-width: 600px) and (max-width: 899px) {
  .bento {
    grid-template-columns: repeat(2, 1fr);
  }

  .qr,
  .wordpress {
    grid-column: span 2;
  }

  /* Emails y banners comparten fila */
  .banners {
    order: 1;
  }

  .wordpress {
    order: 2;
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 9. Stack ---------- */
.groups {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.group {
  position: relative;
  padding-top: 1.25rem;
}

/* La línea superior se dibuja de izquierda a derecha (animations.js) */
.group::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-strong);
  transform-origin: left;
  transform: scaleX(var(--line, 1));
}

.group h3 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.group ul {
  display: grid;
  gap: 0.35rem;
  margin-top: 1rem;
}

.group li {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.learning::before {
  background: var(--accent);
}

.learning h3 {
  color: var(--accent);
}

@media (max-width: 899px) {
  .groups {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .groups {
    gap: 1.75rem 1.25rem;
  }
}

/* ---------- 10. Formación e idiomas ---------- */
.about {
  padding-top: 0;
}

.about .title {
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
}

.edu {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
}

.edu-list {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.75rem;
}

.years {
  font-size: 0.8125rem;
  color: var(--accent);
}

.edu-title {
  margin-top: 0.35rem;
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.school {
  color: var(--muted);
}

.langs {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.langs li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 1rem;
  font-weight: 500;
}

.level {
  font-size: 0.875rem;
  color: var(--muted);
}

@media (max-width: 767px) {
  .edu {
    grid-template-columns: 1fr;
  }
}

/* ---------- 11. Contacto y pie ---------- */
.contact {
  border-top: 1px solid var(--border);
  background:
    radial-gradient(70% 60% at 0% 100%, var(--accent-soft), transparent 70%),
    var(--bg);
}

/* Dos columnas: mensaje y email a la izquierda, datos a la derecha */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.big {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: -0.045em;
  word-spacing: 0.12em;
  line-height: 1;
}

.mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.25rem;
  margin-top: 2rem;
}

.mail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  text-decoration: none;
  overflow-wrap: anywhere;
  background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 2px no-repeat;
  transition: background-size 0.45s var(--ease-out);
}

.mail-link:hover {
  background-size: 100% 2px;
}

.mail-arrow {
  width: 20px;
  height: 20px;
  color: var(--accent);
  transition: transform 0.3s var(--ease-out);
}

.mail-link:hover .mail-arrow {
  transform: translate(3px, -3px);
}

.copy .i-check,
.copy.done .i-copy {
  display: none;
}

.copy.done .i-check {
  display: block;
  color: var(--accent);
}

.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-card li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
}

.contact-card li + li {
  border-top: 1px solid var(--border);
}

.contact-card .label {
  font-size: 0.8125rem;
  color: var(--muted);
}

.contact-card .value {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-align: right;
  font-weight: 500;
  text-decoration: none;
}

.contact-card a.value {
  color: var(--accent);
}

.contact-card a.value:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 899px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.footer {
  border-top: 1px solid var(--border);
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.to-top:hover {
  color: var(--text);
}

.to-top .icon {
  transition: transform 0.3s var(--ease-out);
}

.to-top:hover .icon {
  transform: translateY(-3px);
}