/* Sitio: layout sobre los tokens inspirados en Teenage Engineering EP-133 K.O. II */
:root {
  --wrap: 1120px;
  --gutter: clamp(20px, 5vw, 160px);

  /* === TEENAGE ENGINEERING EP-133 PALETTE TOKENS === */
  --te-orange: #ff4500;
  /* Pure TE safety/knob orange */
  --te-orange-hover: #ff5c1c;
  --te-orange-shadow: #b33000;
  --te-yellow: #f5b800;
  /* TE secondary display yellow */
  --te-red: #e02828;
  /* Punch-in / record red */
}

/* Light Mode: Chasis plástico ABS mate EP-133 (warm retro bone/concrete) */
body {
  padding: 0;
  font-family: 'IBM Plex Sans', sans-serif;
  background-color: var(--gb-background);
  color: var(--gb-text-primary);
  transition: background-color .25s ease, color .25s ease;
  color-scheme: light;

  --gb-background: #e6e2d8;
  /* Chasis ABS mate EP-133 vintage */
  --gb-surface: #f4f0e6;
  /* Superficie de módulo / pad clara */
  --gb-surface-recessed: #ded8cb;
  /* Cavidad empotrada / recessed pocket */
  --gb-text-primary: #19191b;
  /* Negro técnico de rotulación */
  --gb-text-secondary: #636269;
  /* Gris técnico serigrafiado */
  --gb-border: #cdc6b8;
  --gb-border-dark: #b5ada0;
  --line: #c8c1b2;
  --link: var(--te-orange);

  /* Mechanical Keycaps (Light Mode) */
  --key-bg: #f8f6f0;
  /* Tecla blanca calculadora */
  --key-color: #19191b;
  --key-border: #cdc6b8;
  --key-shadow: #b0a798;
  /* Relieve 3D inferior */

  --key-primary-bg: var(--te-orange);
  --key-primary-color: #ffffff;
  --key-primary-border: #e03d00;
  --key-primary-shadow: var(--te-orange-shadow);

  --gb-text-on-primary: #ffffff;
  --gb-shadow-light: rgba(0, 0, 0, 0.05);
  --gb-shadow-dark: rgba(0, 0, 0, 0.12);
  --gb-shadow-medium: rgba(0, 0, 0, 0.2);
}

/* Transiciones suaves al alternar temas */
.nav,
.card-p,
.shot,
.photo,
.contact,
.btn,
.pill,
.tags li,
.chips li {
  transition: background-color .25s ease, border-color .25s ease, color .25s ease, transform .1s ease, box-shadow .1s ease;
}

/* Dark Mode: Grafito mate industrial EP-133 */
body.dark-mode {
  color-scheme: dark;
  --gb-background: #141416;
  /* Grafito mate oscuro */
  --gb-surface: #1e1e22;
  /* Superficie módulo oscuro */
  --gb-surface-recessed: #0f0f11;
  /* Pocket / recessed */
  --gb-text-primary: #f2efe9;
  /* Serigrafía blanca hueso */
  --gb-text-secondary: #8c8b94;
  /* Serigrafía gris técnica */
  --gb-border: #2c2c31;
  --gb-border-dark: #3a3a42;
  --line: #2e2e34;
  --link: #ff5500;

  /* Mechanical Keycaps (Dark Mode) */
  --key-bg: #27272c;
  /* Tecla grafito oscuro */
  --key-color: #f2efe9;
  --key-border: #3a3a42;
  --key-shadow: #101012;
  /* Relieve 3D inferior */

  --key-primary-bg: var(--te-orange);
  --key-primary-color: #ffffff;
  --key-primary-border: #ff5500;
  --key-primary-shadow: #8f2600;

  --gb-text-on-primary: #ffffff;
  --gb-shadow-light: rgba(0, 0, 0, 0.3);
  --gb-shadow-dark: rgba(0, 0, 0, 0.5);
  --gb-shadow-medium: rgba(0, 0, 0, 0.7);
}

@media (prefers-color-scheme: dark) {
  body:not(.light-mode) {
    color-scheme: dark;
    --gb-background: #141416;
    --gb-surface: #1e1e22;
    --gb-surface-recessed: #0f0f11;
    --gb-text-primary: #f2efe9;
    --gb-text-secondary: #8c8b94;
    --gb-border: #2c2c31;
    --gb-border-dark: #3a3a42;
    --line: #2e2e34;
    --link: #ff5500;

    --key-bg: #27272c;
    --key-color: #f2efe9;
    --key-border: #3a3a42;
    --key-shadow: #101012;

    --key-primary-bg: var(--te-orange);
    --key-primary-color: #ffffff;
    --key-primary-border: #ff5500;
    --key-primary-shadow: #8f2600;

    --gb-text-on-primary: #ffffff;
    --gb-shadow-light: rgba(0, 0, 0, 0.3);
    --gb-shadow-dark: rgba(0, 0, 0, 0.5);
    --gb-shadow-medium: rgba(0, 0, 0, 0.7);
  }
}

p {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
}

a {
  color: inherit;
}

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

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono,
.eyebrow,
.logo,
.pill,
.tags,
.chips,
.links,
.shot,
.photo,
.foot {
  font-family: 'IBM Plex Mono', monospace;
}

/* Skip link (a11y) */
.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 1000;
  padding: 8px 14px;
  background: var(--te-orange);
  color: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .8125rem;
  border-radius: 4px;
}

.skip:focus {
  top: 8px;
}

/* Nav */
.nav {
  border-bottom: 2px solid var(--line);
  position: sticky;
  top: 0;
  z-index: var(--z-overlay);
  background: var(--gb-background);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding-block: var(--spacing-md);
  flex-wrap: wrap;
}

.logo {
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.nav-right>a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--gb-text-secondary);
  text-decoration: none;
}

.nav-right>a:hover {
  color: var(--gb-text-primary);
}

/* Pills mecánicas (Selector de idioma y tema) */
.pill {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gb-text-secondary);
  background: var(--key-bg);
  border: 1px solid var(--key-border);
  border-radius: 4px;
  padding: 6px 12px;
  box-shadow: 0 2px 0 var(--key-shadow);
  min-height: 34px;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  user-select: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pill:hover:not(:disabled) {
  background: var(--gb-surface);
  color: var(--gb-text-primary);
  border-color: var(--te-orange);
}

.pill:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--key-shadow);
}

.pill [data-l].on {
  color: var(--te-orange);
  font-weight: 700;
}

.pill.icon {
  padding: 6px 10px;
  font-size: 0.9375rem;
}

.nav .pill {
  min-height: 36px;
}

/* Tipografía */
.eyebrow {
  font-size: .8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--te-orange);
}

.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--gb-text-secondary);
}

h1 {
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
}

/* Hero */
.hero {
  padding-block: clamp(72px, 10vw, 140px) clamp(72px, 9vw, 120px);
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
}

.role {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .875rem;
  color: var(--gb-text-secondary);
  letter-spacing: .02em;
  margin-top: -12px;
}

.hero .lead {
  max-width: 680px;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* === BOTONES MECÁNICOS ESTILO CALCULADORA TE EP-133 === */
.btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-radius: 4px;
  text-decoration: none;
  padding: 12px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  border: 1px solid var(--key-border);
  box-shadow: 0 3px 0 var(--key-shadow), 0 5px 8px var(--gb-shadow-light);
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.15s ease, border-color 0.15s ease;
  user-select: none;
  min-height: 44px;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 0 var(--key-shadow), 0 7px 12px var(--gb-shadow-dark);
}

.btn:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--key-shadow), 0 2px 4px var(--gb-shadow-light);
}

/* Botón primario: TE Safety Orange */
.btn-primary {
  background: var(--key-primary-bg);
  color: var(--key-primary-color);
  border-color: var(--key-primary-border);
  box-shadow: 0 3px 0 var(--key-primary-shadow), 0 5px 10px rgba(255, 69, 0, 0.28);
}

.btn-primary:hover:not(:disabled) {
  background: var(--te-orange-hover);
  border-color: var(--te-orange-hover);
  box-shadow: 0 4px 0 var(--key-primary-shadow), 0 7px 14px rgba(255, 69, 0, 0.38);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--key-primary-shadow), 0 2px 4px rgba(255, 69, 0, 0.2);
}

/* Botón secundario / outline: Keycap Cream o Grafito */
.btn-outline {
  background: var(--key-bg);
  color: var(--key-color);
  border-color: var(--key-border);
  box-shadow: 0 3px 0 var(--key-shadow), 0 5px 8px var(--gb-shadow-light);
}

.btn-outline:hover:not(:disabled) {
  background: var(--gb-surface);
  border-color: var(--te-orange);
  color: var(--te-orange);
}

.btn-outline:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--key-shadow);
}

.btn.mono {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 0.8125rem;
}

/* Secciones */
.section {
  padding-block: clamp(64px, 8vw, 96px);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.sec-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Proyectos */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.card-p {
  background: var(--gb-surface);
  border: 1px solid var(--line);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: transform .25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .25s ease, border-color .25s ease;
}

.card-p:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px var(--gb-shadow-dark);
  border-color: var(--link);
}

/* Estado del proyecto: LED + etiqueta serigrafiada */
.status {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gb-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gb-border-dark);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .3);
}

.status.live::before {
  background: #3ecf5a;
  box-shadow: 0 0 6px #3ecf5a;
}

.status.oss::before {
  background: var(--te-yellow);
  box-shadow: 0 0 6px var(--te-yellow);
}

.card-p h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
}

.card-p>p:not(.links) {
  color: var(--gb-text-secondary);
  line-height: 1.5;
}

/* Bloques de medios para proyectos (imágenes y videos) */
.shot {
  aspect-ratio: 16 / 9;
  width: 100%;
  background: var(--gb-surface-recessed);
  border: 1px solid var(--gb-border);
  border-radius: var(--border-radius-md, 6px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.card-p:hover .shot {
  border-color: var(--gb-border-dark);
}

.shot img,
.shot video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.shot video {
  pointer-events: auto;
}

.shot .scene {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}

.shot .scene:active {
  cursor: grabbing;
}

.shot-placeholder {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gb-text-secondary);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.shot-placeholder::before {
  content: "▶";
  font-size: 0.65rem;
  color: var(--te-orange);
}


.tags,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tags li {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gb-text-secondary);
  border: 1px solid var(--key-border);
  border-radius: 3px;
  padding: 3px 8px;
  background: var(--key-bg);
  box-shadow: 0 1px 0 var(--key-shadow);
  transition: border-color .12s ease, color .12s ease, transform .08s ease;
}

.tags li:hover {
  border-color: var(--te-orange);
  color: var(--te-orange);
}

.links {
  display: flex;
  gap: 20px;
  font-size: .875rem;
  font-weight: 500;
  margin-top: auto;
  padding-top: var(--spacing-xs);
}

.links a {
  color: var(--link);
  text-decoration: none;
  transition: opacity .15s ease;
}

.links a:hover {
  text-decoration: underline;
  opacity: .85;
}

/* Sobre mí */
.about {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.photo {
  flex: 0 0 320px;
  width: 100%;
  max-width: 320px;
  height: 360px;
  background: var(--gb-surface-recessed);
  border: 1px solid var(--gb-border);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08);
}

.photo img,
.photo video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.photo-placeholder {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gb-text-secondary);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.photo-placeholder::before {
  content: "◉";
  font-size: 0.65rem;
  color: var(--te-orange);
}

.about-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  min-width: 0;
}

.chips {
  gap: 10px;
}

.chips li {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--key-border);
  border-radius: 4px;
  padding: 8px 14px;
  background: var(--key-bg);
  box-shadow: 0 2px 0 var(--key-shadow);
  transition: transform .08s ease, box-shadow .08s ease, border-color .15s ease, color .15s ease;
}

.chips li:hover {
  border-color: var(--te-orange);
  color: var(--te-orange);
  transform: translateY(-1px);
  box-shadow: 0 3px 0 var(--key-shadow);
}

.chips li:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--key-shadow);
}

/* Contacto */
.contact {
  background: var(--gb-surface);
  border: 1px solid var(--line);
  border-radius: var(--border-radius-lg);
  padding: clamp(24px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Footer */
.foot {
  border-top: 1px solid var(--line);
  font-size: .8125rem;
}

.foot-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding-block: var(--spacing-lg);
  color: var(--gb-text-secondary);
}

.foot-inner a {
  color: var(--link);
  text-decoration: none;
}

/* Responsive */
@media (max-width: 820px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .about {
    flex-direction: column;
  }

  .photo {
    flex-basis: auto;
    width: 100%;
    height: 320px;
  }

  .nav-right {
    gap: var(--spacing-md);
  }
}

@media (max-width: 560px) {
  .nav-right {
    gap: var(--spacing-sm);
  }

  .nav-right>a {
    font-size: .8125rem;
  }

  .cta .btn {
    width: 100%;
  }
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}