/* =============================================================================
   Erik · Portfolio
   Neo Cozy Cyberpunk + Pixel Art — hoja de estilos principal

   0. Tokens
   1. Reset y base
   2. Utilidades (contenedor, secciones, tarjetas, píxeles)
   3. Cabecera y navegación
   4. Hero + terminal
   5. Enfoque
   6. Proyectos
   7. Stack
   8. Contacto y footer
   9. Cursor pixel, foco y accesibilidad
   10. Responsive
   ============================================================================= */

/* ============================ 0. Tokens ==================================== */

:root {
  /* Base */
  --bg: #0b0f19;
  --bg-deep: #070a11;
  --bg-soft: #0f1422;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --faint: #8b98ac;

  /* Acentos neón */
  --cyan: #38bdf8;
  --amber: #f59e0b;
  --purple: #a855f7;
  --green: #34d399;

  /* Acentos con glow */
  --cyan-soft: rgba(56, 189, 248, 0.14);
  --cyan-glow: rgba(56, 189, 248, 0.35);
  --amber-glow: rgba(245, 158, 11, 0.32);
  --purple-glow: rgba(168, 85, 247, 0.32);
  --green-glow: rgba(52, 211, 153, 0.3);

  /* Superficies */
  --surface: rgba(226, 232, 240, 0.028);
  --surface-hi: rgba(226, 232, 240, 0.055);
  --border: rgba(148, 163, 184, 0.16);
  --border-hi: rgba(56, 189, 248, 0.4);

  /* Acento contextual (lo sobrescribe cada tarjeta) */
  --accent: var(--cyan);
  --accent-glow: var(--cyan-glow);

  /* Tipografía */
  --font-mono: "JetBrains Mono", ui-monospace, "Fira Code", "SF Mono", Menlo, Consolas, monospace;
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Métrica */
  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 4px;
  --pixel: 3px;
  --header-h: 62px;

  /* Movimiento */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 140ms var(--ease);
  --t: 240ms var(--ease);
}

/* ============================ 1. Reset y base ============================== */

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

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(168, 85, 247, 0.13), transparent 62%),
    radial-gradient(900px 520px at 8% 4%, rgba(56, 189, 248, 0.11), transparent 58%),
    radial-gradient(700px 500px at 50% 108%, rgba(245, 158, 11, 0.07), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.05rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Textura sutil de rejilla pixelada en el fondo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 25%, transparent 78%);
}

h1,
h2,
h3 {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  text-wrap: pretty;
}

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

::selection {
  background: var(--cyan);
  color: var(--bg-deep);
}

/* ============================ 2. Utilidades ================================ */

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

main {
  flex: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  translate: -50% -120%;
  z-index: 100;
  padding: 0.6rem 1.1rem;
  background: var(--cyan);
  color: var(--bg-deep);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: translate var(--t);
}

.skip-link:focus-visible {
  translate: -50% 0;
}

.icon {
  width: 1em;
  height: 1em;
  flex: none;
  fill: currentColor;
}

.icon-sm {
  width: 0.85em;
  height: 0.85em;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* Etiqueta de sección monoespaciada con "pixel arrow" */
.kicker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent, var(--cyan));
}

.pixel-arrow {
  color: var(--accent, var(--cyan));
  text-shadow: 0 0 10px var(--accent-glow, var(--cyan-glow));
}

.section {
  padding-block: clamp(4rem, 9vw, 7.5rem);
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.section-alt {
  background:
    linear-gradient(180deg, transparent, rgba(7, 10, 17, 0.6) 12%, rgba(7, 10, 17, 0.6) 88%, transparent);
  border-block: 1px solid var(--border);
}

.section-head {
  max-width: 62ch;
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
}

.section-title {
  margin-top: 0.65rem;
  font-size: clamp(1.6rem, 1.15rem + 2.2vw, 2.6rem);
}

.section-lead {
  margin-top: 0.9rem;
  color: var(--muted);
  max-width: 58ch;
}

/* Divisor pixelado que se desvanece hacia los lados */
.pixel-rule {
  height: 4px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--cyan) 0 var(--pixel),
    transparent var(--pixel) calc(var(--pixel) * 2)
  );
  opacity: 0.45;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.pixel-dot {
  width: 7px;
  height: 7px;
  background: var(--c, var(--cyan));
  box-shadow: 0 0 8px var(--c, var(--cyan));
}

/* Tarjetas base con esquinas pixeladas (8-bit) */
.card {
  position: relative;
  padding: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition:
    transform var(--t),
    border-color var(--t),
    background var(--t),
    box-shadow var(--t);
}

.card::before,
.card::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent, var(--cyan));
  opacity: 0.3;
  transition:
    opacity var(--t),
    box-shadow var(--t);
}

.card::before {
  inset: -1px auto auto -1px;
  border-right: 0;
  border-bottom: 0;
}

.card::after {
  inset: auto -1px -1px auto;
  border-left: 0;
  border-top: 0;
}

.card:hover,
.card:focus-within {
  border-color: var(--border-hi);
  background: var(--surface-hi);
  transform: translateY(-3px);
  box-shadow:
    0 14px 40px -22px var(--accent-glow, var(--cyan-glow)),
    0 0 0 1px rgba(56, 189, 248, 0.08);
}

.card:hover::before,
.card:hover::after,
.card:focus-within::before,
.card:focus-within::after {
  opacity: 1;
  box-shadow: 0 0 10px var(--accent-glow, var(--cyan-glow));
}

/* Etiquetas de tecnología */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  padding: 0.18rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--border);
  border-radius: 2px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid;
  border-radius: 2px;
}

.badge-cyan {
  color: var(--cyan);
  border-color: rgba(56, 189, 248, 0.4);
  background: var(--cyan-soft);
}

.badge-purple {
  color: var(--purple);
  border-color: rgba(168, 85, 247, 0.4);
  background: rgba(168, 85, 247, 0.12);
}

.badge-green {
  color: var(--green);
  border-color: rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.1);
}

.badge-amber {
  color: var(--amber);
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.1);
}

/* Estados de carga (evitan saltos de layout) */
.skeleton-card {
  min-height: 168px;
  border-style: dashed;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(148, 163, 184, 0.05) 0 10px,
      transparent 10px 20px
    ),
    var(--surface);
  animation: skeleton-pulse 1.6s steps(2, end) infinite;
}

@keyframes skeleton-pulse {
  50% {
    opacity: 0.45;
  }
}

/* Aparición al hacer scroll */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 520ms var(--ease),
    transform 520ms var(--ease);
}

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

/* ============================ 3. Cabecera ================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11, 15, 25, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.25rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 20px;
  height: 20px;
  color: var(--cyan);
  filter: drop-shadow(0 0 6px var(--cyan-glow));
}

.brand-dot {
  color: var(--amber);
}

.site-nav {
  margin-inline: auto;
}

.site-nav ul {
  display: flex;
  gap: 0.35rem;
}

.site-nav a {
  position: relative;
  display: block;
  padding: 0.35rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  border-radius: 2px;
  transition:
    color var(--t-fast),
    background var(--t-fast);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.1rem;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
  scale: 0 1;
  transform-origin: left;
  transition: scale var(--t);
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(226, 232, 240, 0.05);
}

.site-nav a.is-active {
  color: var(--text);
}

.site-nav a.is-active::after {
  scale: 1 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--green);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.28);
  border-radius: 2px;
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  animation: blink 2.4s steps(1, end) infinite;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-size: 1rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    box-shadow var(--t-fast);
}

.icon-btn:hover {
  color: var(--cyan);
  border-color: var(--border-hi);
  box-shadow: 0 0 14px -4px var(--cyan-glow);
}

.icon-btn[aria-pressed="true"] {
  color: var(--amber);
  border-color: rgba(245, 158, 11, 0.45);
  box-shadow: 0 0 14px -4px var(--amber-glow);
}

.nav-toggle {
  display: none;
}

.pixel-burger {
  display: grid;
  gap: 3px;
}

.pixel-burger i {
  width: 14px;
  height: 2px;
  background: currentColor;
  transition:
    transform var(--t),
    opacity var(--t);
}

[aria-expanded="true"] .pixel-burger i:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

[aria-expanded="true"] .pixel-burger i:nth-child(2) {
  opacity: 0;
}

[aria-expanded="true"] .pixel-burger i:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ============================ 4. Hero ===================================== */

.hero {
  padding-block: clamp(3.25rem, 8vw, 6.5rem) clamp(2.5rem, 6vw, 4rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.hero-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  font-size: clamp(1.9rem, 1.1rem + 3.6vw, 3.4rem);
  color: var(--text);
  text-shadow: 0 0 28px rgba(56, 189, 248, 0.18);
}

/* Saludo con entrada escalonada por carácter */
.wave-text {
  background: linear-gradient(92deg, var(--cyan) 0%, #7dd3fc 30%, var(--text) 62%, var(--amber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: wave-in 900ms var(--ease) both;
}

@keyframes wave-in {
  from {
    opacity: 0;
    filter: blur(6px);
    transform: translateY(6px);
  }
}

.caret {
  display: inline-block;
  width: 0.62ch;
  height: 0.82em;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan-glow);
  animation: blink 1.1s steps(1, end) infinite;
}

.hero-roles {
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 0.78rem + 0.3vw, 1rem);
  color: var(--purple);
  text-shadow: 0 0 16px var(--purple-glow);
}

.dot-sep {
  color: var(--faint);
  text-shadow: none;
  padding-inline: 0.15rem;
}

.hero-bio {
  margin-top: 1.25rem;
  max-width: 54ch;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.9rem;
}

.btn {
  --btn-accent: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.68rem 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  border: 1px solid var(--btn-accent);
  border-radius: 2px;
  transition:
    transform var(--t-fast),
    box-shadow var(--t),
    background var(--t),
    color var(--t);
}

.btn .icon {
  font-size: 0.95rem;
}

.btn-primary {
  color: var(--bg-deep);
  background: var(--btn-accent);
  box-shadow: 0 0 26px -8px var(--cyan-glow);
}

.btn-primary .icon {
  color: inherit;
  transition: transform var(--t);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px -4px var(--cyan-glow);
}

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

.btn-ghost {
  color: var(--text);
  background: var(--surface);
}

.btn-ghost:hover {
  color: var(--btn-accent);
  background: var(--surface-hi);
  transform: translateY(-2px);
  box-shadow: 0 0 22px -8px var(--cyan-glow);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.75rem;
  margin-top: 2.1rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--border);
}

.hero-meta li {
  display: grid;
  gap: 0.15rem;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

.meta-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
}

/* --- Panel de terminal --- */

.hero-panel {
  display: grid;
  gap: 1rem;
  align-content: center;
}

.panel-window {
  position: relative;
  background: linear-gradient(180deg, rgba(15, 20, 34, 0.92), rgba(11, 15, 25, 0.92));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow:
    0 26px 70px -40px rgba(56, 189, 248, 0.5),
    inset 0 0 0 1px rgba(226, 232, 240, 0.02);
}

.panel-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  background: rgba(226, 232, 240, 0.03);
}

.panel-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--faint);
}

.panel-body {
  position: relative;
  margin: 0;
  padding: 1rem 1rem 1.35rem;
  min-height: 12.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Scanlines muy tenues para el rollo CRT */
.panel-body::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(226, 232, 240, 0.035) 0 1px,
    transparent 1px 3px
  );
}

.boot-line {
  display: block;
}

.boot-line.muted {
  color: var(--faint);
}

.boot-line.ok {
  color: var(--green);
}

.boot-line.info {
  color: var(--cyan);
}

.boot-line.warn {
  color: var(--amber);
}

.boot-line.err {
  color: var(--purple);
}

.panel-cursor {
  position: absolute;
  left: 1rem;
  bottom: 0.55rem;
}

.panel-cursor span {
  display: block;
  width: 8px;
  height: 14px;
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber-glow);
  animation: blink 1.1s steps(1, end) infinite;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

/* ============================ 5. Enfoque =================================== */

.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1rem;
}

.card-focus {
  --accent: var(--cyan);
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.focus-grid > :nth-child(6n + 1) { --accent: var(--cyan); --accent-glow: var(--cyan-glow); }
.focus-grid > :nth-child(6n + 2) { --accent: var(--purple); --accent-glow: var(--purple-glow); }
.focus-grid > :nth-child(6n + 3) { --accent: var(--green); --accent-glow: var(--green-glow); }
.focus-grid > :nth-child(6n + 4) { --accent: var(--amber); --accent-glow: var(--amber-glow); }
.focus-grid > :nth-child(6n + 5) { --accent: var(--cyan); --accent-glow: var(--cyan-glow); }
.focus-grid > :nth-child(6n + 6) { --accent: var(--purple); --accent-glow: var(--purple-glow); }

.card-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-size: 1.35rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 2px;
  transition:
    box-shadow var(--t),
    transform var(--t);
}

.card:hover .card-icon {
  box-shadow: 0 0 20px -4px var(--accent-glow);
  transform: rotate(-4deg) scale(1.05);
}

.card-title {
  font-size: 1.05rem;
  color: var(--text);
}

.card-text {
  font-size: 0.88rem;
  color: var(--muted);
}

/* ============================ 6. Proyectos ================================= */

.work-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.filters {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
}

.filter {
  padding: 0.55rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  border-radius: 2px;
  transition:
    color var(--t-fast),
    background var(--t-fast),
    box-shadow var(--t-fast);
}

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

.filter.is-active {
  color: var(--bg-deep);
  background: var(--cyan);
  box-shadow: 0 0 20px -8px var(--cyan-glow);
}

.work-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--faint);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20.5rem), 1fr));
  gap: 1rem;
}

.card-project {
  --accent: var(--cyan);
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.card-project[data-kind="experiment"] {
  --accent: var(--purple);
  --accent-glow: var(--purple-glow);
}

.card-project[data-kind="game"] {
  --accent: var(--green);
  --accent-glow: var(--green-glow);
}

.card-project.is-hidden {
  display: none;
}

.project-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.project-title {
  font-size: 1.12rem;
}

.project-title .pixel-hash {
  color: var(--accent);
  opacity: 0.55;
  margin-right: 0.15rem;
}

.project-summary {
  font-size: 0.9rem;
  color: var(--muted);
}

.project-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.2rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--border);
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--faint);
}

.project-links {
  display: flex;
  gap: 0.4rem;
}

.link-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 40px;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    box-shadow var(--t-fast);
}

.link-chip:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: 0 0 18px -6px var(--accent-glow);
}

.link-chip .icon {
  font-size: 0.9rem;
}

/* ============================ 7. Stack ===================================== */

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 1rem;
}

.stack-group {
  --accent: var(--green);
  --accent-glow: var(--green-glow);
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.stack-grid > :nth-child(6n + 2) { --accent: var(--cyan); --accent-glow: var(--cyan-glow); }
.stack-grid > :nth-child(6n + 3) { --accent: var(--amber); --accent-glow: var(--amber-glow); }
.stack-grid > :nth-child(6n + 4) { --accent: var(--purple); --accent-glow: var(--purple-glow); }
.stack-grid > :nth-child(6n + 5) { --accent: var(--cyan); --accent-glow: var(--cyan-glow); }
.stack-grid > :nth-child(6n + 6) { --accent: var(--green); --accent-glow: var(--green-glow); }

.stack-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.stack-title::before {
  content: "";
  width: 8px;
  height: 8px;
  background: currentColor;
  box-shadow: 0 0 10px var(--accent-glow);
}

.stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.stack-item {
  padding: 0.3rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition:
    color var(--t-fast),
    border-color var(--t-fast),
    box-shadow var(--t-fast),
    translate var(--t-fast);
}

.stack-item:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: 0 0 18px -6px var(--accent-glow);
  translate: 0 -2px;
}

/* ============================ 8. Contacto ================================= */

.section-contact {
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.contact-card {
  display: grid;
  gap: 1rem;
  justify-items: start;
  padding: clamp(1.75rem, 4vw, 3rem);
  background:
    linear-gradient(140deg, rgba(56, 189, 248, 0.07), rgba(168, 85, 247, 0.06) 55%, transparent 80%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-card .pixel-rule {
  width: min(240px, 60%);
  margin-bottom: 0.4rem;
}

.contact-lead {
  max-width: 52ch;
  color: var(--muted);
}

.contact-links {
  display: grid;
  gap: 0.55rem;
  width: 100%;
  margin-top: 0.5rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 0.78rem + 0.25vw, 0.98rem);
  background: rgba(11, 15, 25, 0.5);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 2px;
  transition:
    border-color var(--t),
    background var(--t),
    box-shadow var(--t),
    translate var(--t);
}

.contact-link:hover {
  translate: 4px 0;
  background: rgba(11, 15, 25, 0.75);
  border-color: var(--border-hi);
  border-left-color: var(--amber);
  box-shadow: -4px 0 22px -12px var(--amber-glow);
}

.contact-link .icon {
  font-size: 1.1rem;
  color: var(--cyan);
}

.contact-link:hover .icon {
  color: var(--amber);
}

.contact-link-text {
  overflow-wrap: anywhere;
}

.contact-thanks {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--purple);
  text-shadow: 0 0 18px var(--purple-glow);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 1.6rem;
}

.footer-copy,
.footer-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--faint);
}

.noscript-note {
  padding: 1.25rem var(--gutter);
  background: rgba(245, 158, 11, 0.08);
  border-top: 1px solid rgba(245, 158, 11, 0.3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
}

.noscript-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==================== 9. Cursor pixel y accesibilidad ======================= */

/* Cursor pixel 8-bit (SVG embebido, sin peticiones extra) */
body {
  cursor:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' shape-rendering='crispEdges'%3E%3Cpath fill='%2338bdf8' d='M0 0h2v1H0zM0 1h3v1H0zM0 2h4v1H0zM0 3h5v1H0zM0 4h6v1H0zM0 5h7v1H0zM0 6h8v1H0zM0 7h7v1H0zM0 8h6v1H0zM0 9h5v1H0zM0 10h4v1H0zM0 11h3v1H0z'/%3E%3C/svg%3E")
      1 1,
    auto;
}

a,
button,
[role="button"],
summary {
  cursor:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 12 12' shape-rendering='crispEdges'%3E%3Cpath fill='%23f59e0b' d='M0 0h2v1H0zM0 1h3v1H0zM0 2h4v1H0zM0 3h5v1H0zM0 4h6v1H0zM0 5h7v1H0zM0 6h8v1H0zM0 7h7v1H0zM0 8h6v1H0zM0 9h5v1H0zM0 10h4v1H0zM0 11h3v1H0z'/%3E%3C/svg%3E")
      1 1,
    pointer;
}

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

::selection {
  background: var(--cyan);
  color: var(--bg-deep);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: #1e293b;
  border: 2px solid var(--bg-deep);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
  background-clip: content-box;
}

/* Respeta las preferencias del sistema */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ============================ 10. Responsive ================================ */

@media (min-width: 1500px) {
  :root {
    --container: 1320px;
  }
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 30rem;
  }

  .hero-badges {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 56px;
  }

  .nav-toggle {
    display: grid;
  }

  .status-pill span:not(.status-dot) {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .status-pill {
    padding: 0.3rem;
  }

  .site-nav {
    position: absolute;
    inset: var(--header-h) 0 auto;
    margin: 0;
    padding: 0.75rem var(--gutter) 1rem;
    background: rgba(7, 10, 17, 0.97);
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px dashed var(--border);
  }

  .site-nav a::after {
    display: none;
  }

  .brand-name {
    font-size: 0.88rem;
  }

  .work-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-link {
    font-size: 0.84rem;
  }
}

@media (max-width: 420px) {
  .hero-cta .btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .panel-body {
    font-size: 0.72rem;
  }
}