:root {
  /* Base legible (WCAG-friendly) */
  --bg: #0f1222;
  --bg-panel: #1a2038;
  --bg-elevated: #222a45;
  --text: #f4f2f8;
  --text-secondary: #c8c2d8;
  --text-muted: #9aa3bc;
  --border: #3d4668;
  --border-soft: #2e3654;

  /* Acentos retro — uso focal, no saturación global */
  --accent: #00c9ad;
  --accent-hover: #00e6c8;
  --accent-ink: #062a24;
  --accent-warm: #e8a838;
  --accent-warm-ink: #2a1f08;
  --accent-magenta: #d64d9a;
  --accent-lime: #9fd64a;

  /* Solo CTAs y títulos clave */
  --glow-focus: 0 0 0 3px rgba(0, 201, 173, 0.35);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);

  --font-pixel: "Press Start 2P", cursive;
  --font-mono: "Share Tech Mono", monospace;

  /* Alias legacy */
  --cyan: var(--accent);
  --magenta: var(--accent-magenta);
  --amber: var(--accent-warm);
  --lime: var(--accent-lime);
  --text-dim: var(--text-secondary);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 70% 45% at 50% -15%, rgba(0, 201, 173, 0.07), transparent),
    radial-gradient(ellipse 50% 35% at 100% 80%, rgba(214, 77, 154, 0.05), transparent),
    linear-gradient(180deg, #0f1222 0%, #141a30 50%, #0f1222 100%);
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

a:hover {
  color: var(--accent-hover);
  text-shadow: none;
}

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

strong {
  color: var(--text);
  font-weight: bold;
}

/* Textura retro sutil — no compite con el texto */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(ellipse at center, transparent 70%, rgba(0, 0, 0, 0.25) 100%);
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.25) 3px,
    rgba(0, 0, 0, 0.25) 6px
  );
}

/* Header */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: rgba(15, 18, 34, 0.96);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(8px);
}

.logo {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--accent);
  text-shadow: none;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-cta {
  color: var(--accent-warm) !important;
  background: var(--accent-warm-ink);
  border: 1px solid var(--accent-warm);
  padding: 0.25rem 0.55rem;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.nav a {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  text-decoration: none;
}

.nav a:hover,
.nav-github {
  color: var(--text) !important;
}

.menu-btn {
  display: none;
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  background: var(--bg-panel);
  color: var(--cyan);
  border: 2px solid var(--cyan);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 2rem 1.25rem 1rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(140px, 180px) 1fr 1.15fr;
  gap: 1.25rem;
  align-items: stretch;
}

.hero-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.avatar-frame {
  padding: 0.5rem;
  background: var(--bg-panel);
  border: 2px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.avatar-frame img {
  display: block;
  width: 100%;
  max-width: 168px;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.avatar-caption {
  margin: 0.75rem 0 0;
  font-family: var(--font-pixel);
  font-size: 0.38rem;
  line-height: 1.6;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.trust-strip li {
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
}

.terminal {
  border: 2px solid var(--border);
  background: #0c101c;
  box-shadow: var(--shadow-card);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  border-bottom: 2px solid var(--border);
}

.terminal-bar span:nth-child(1) { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.terminal-bar span:nth-child(2) { width: 10px; height: 10px; border-radius: 50%; background: #febc2e; }
.terminal-bar span:nth-child(3) { width: 10px; height: 10px; border-radius: 50%; background: #28c840; }

.terminal-title {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.terminal-body {
  margin: 0;
  padding: 1rem;
  font-size: 0.82rem;
  color: #b8e8a8;
  min-height: 200px;
  white-space: pre-wrap;
  word-break: break-word;
}

.hero-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem;
  border: 2px solid var(--border);
  background: var(--bg-panel);
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--accent);
}

.hero-tag {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--accent-warm);
  margin: 0 0 1rem;
}

.hero-card h1 {
  font-family: var(--font-pixel);
  font-size: clamp(1rem, 4vw, 1.35rem);
  line-height: 1.5;
  margin: 0 0 1rem;
  color: var(--text);
}

.glitch {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 1px;
  top: 0;
  color: var(--accent-magenta);
  opacity: 0.35;
  animation: glitch 4s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

@keyframes glitch {
  0%, 90%, 100% { transform: translate(0); opacity: 0; }
  92% { transform: translate(-2px, 1px); opacity: 0.8; }
  94% { transform: translate(2px, -1px); opacity: 0.6; }
}

.hero-lead {
  margin: 0 0 0.75rem;
  color: var(--text);
  font-size: 0.95rem;
}

.hero-sub {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  padding: 0.85rem 1rem;
  border: none;
  cursor: pointer;
  text-align: center;
  letter-spacing: 0.05em;
  transition: transform 0.1s, box-shadow 0.15s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 2px solid var(--accent);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
  box-shadow: var(--glow-focus);
}

.btn-secondary,
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
  text-decoration: none;
}

.btn-secondary:hover,
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: none;
}

.btn-pulse {
  animation: pulse-cta 3s ease-in-out infinite;
}

@keyframes pulse-cta {
  0%, 100% { box-shadow: var(--glow-focus); }
  50% { box-shadow: 0 0 0 4px rgba(0, 201, 173, 0.2); }
}

.btn-block {
  display: block;
  width: 100%;
  margin-top: 1rem;
  text-align: center;
}

.btn-lg {
  padding: 1rem 1.25rem;
  font-size: 0.55rem;
}

.marquee {
  margin-top: 2rem;
  overflow: hidden;
  border: 2px solid var(--border);
  background: var(--bg-panel);
  padding: 0.5rem 0;
}

.marquee span {
  display: inline-block;
  white-space: nowrap;
  font-size: 0.75rem;
  color: var(--text-muted);
  animation: marquee 25s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

.section-title {
  font-family: var(--font-pixel);
  font-size: clamp(0.65rem, 2.5vw, 0.85rem);
  color: var(--text);
  margin: 0 0 1.5rem;
  text-shadow: none;
}

.pixel-caret {
  color: var(--accent);
  margin-right: 0.5rem;
}

.section-sub {
  color: var(--text-secondary);
  margin: -0.75rem 0 1.5rem;
  font-size: 0.9rem;
}

.panel {
  border: 2px solid var(--border);
  background: var(--bg-panel);
  padding: 1.25rem 1.5rem;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.3);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
}

.stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stat-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.85rem;
}

.stat-label {
  color: var(--text-muted);
}

.stat-val {
  color: var(--accent);
}

/* Cartridges */
.cat-title {
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  color: var(--accent-warm);
  margin: 2rem 0 1rem;
}

.cartridge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.cartridge-grid--single {
  max-width: 480px;
}

.cartridge {
  position: relative;
  padding: 1.25rem;
  background: var(--bg-panel);
  border: 2px solid var(--border-soft);
  border-radius: 4px 4px 12px 12px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.cartridge::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 6px;
  background: repeating-linear-gradient(90deg, #2a1a4a, #2a1a4a 4px, #1a0a30 4px, #1a0a30 8px);
  border-radius: 2px;
}

.cartridge:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
}

.cartridge-star {
  border-color: var(--accent-warm);
  border-width: 2px;
}

.cartridge-star:hover {
  border-color: var(--accent-warm);
  box-shadow: var(--shadow-card);
}

.cartridge-a11y {
  border-left: 4px solid var(--accent-lime);
}

.cart-label {
  font-family: var(--font-pixel);
  font-size: 0.4rem;
  color: var(--accent-warm);
  margin-bottom: 0.75rem;
}

.cartridge h4 {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  margin: 1rem 0 0.75rem;
  color: var(--text);
}

.cart-hook {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  color: var(--accent-warm);
  font-weight: bold;
  line-height: 1.45;
}

.cart-facts {
  margin: 0 0 1rem;
  padding: 0;
}

.cart-facts > div {
  margin-bottom: 0.55rem;
}

.cart-facts dt {
  font-family: var(--font-pixel);
  font-size: 0.38rem;
  color: var(--accent);
  margin-bottom: 0.15rem;
  letter-spacing: 0.04em;
}

.cart-facts dd {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.cart-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.cart-tags span {
  font-size: 0.65rem;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-elevated);
}

.cart-links {
  display: flex;
  gap: 0.75rem;
}

.cart-links a {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  padding: 0.55rem 0.7rem;
  background: var(--bg-elevated);
  border: 2px solid var(--border);
  color: var(--text);
  text-decoration: none;
}

.cart-links .link-product,
.cart-links .link-demo {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  flex: 1;
  text-align: center;
  font-weight: bold;
}

.cart-links .link-product:hover,
.cart-links .link-demo:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
  text-shadow: none;
}

/* Valor */
.valor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.valor-card {
  padding: 1.25rem;
  border: 2px solid var(--border-soft);
  background: var(--bg-panel);
  transition: border-color 0.2s, transform 0.2s;
}

.valor-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.valor-icon {
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
}

.valor-card h3 {
  font-family: var(--font-pixel);
  font-size: 0.48rem;
  color: var(--text);
  margin: 0 0 0.65rem;
  line-height: 1.5;
}

.valor-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pitch-banner {
  text-align: center;
  padding: 1.75rem 1.25rem;
  border: 2px dashed var(--accent-warm);
  background: var(--bg-elevated);
}

.pitch-text {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  color: var(--text);
}

.proyectos-cta {
  margin-top: 2.5rem;
  text-align: center;
  padding: 2rem;
  border: 2px solid var(--border);
  background: var(--bg-panel);
  border-left: 4px solid var(--accent);
}

.proyectos-cta p {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--text);
}

.contact-lead {
  font-size: 1.05rem;
  margin: 0 0 1.5rem;
  line-height: 1.6;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Floating CTA */
.float-cta {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 200;
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  padding: 0.75rem 1rem;
  background: var(--accent-warm);
  color: var(--accent-warm-ink);
  border: 2px solid var(--text);
  box-shadow: var(--shadow-card);
  text-decoration: none;
}

.float-cta:hover {
  background: var(--accent);
  color: var(--accent-ink);
  text-shadow: none;
}

.float-cta:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 2px;
}

/* Stack */
.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.stack-item {
  font-size: 0.8rem;
  padding: 0.45rem 0.85rem;
  border: 2px solid var(--border-soft);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.stack-item:hover {
  background: var(--bg-panel);
  color: var(--text);
  border-color: var(--accent);
}

.stack-note {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.contact-links {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.contact-links li {
  margin: 0.5rem 0;
}

.contact-hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 1rem 0 0;
}

.footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  border-top: 2px solid var(--border);
}

/* Mobile nav */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-avatar {
    grid-column: 1 / -1;
    flex-direction: row;
    gap: 1rem;
    justify-content: flex-start;
    text-align: left;
  }

  .avatar-frame {
    flex-shrink: 0;
  }

  .avatar-frame img {
    max-width: 120px;
  }
}

@media (max-width: 768px) {
  .hero-grid,
  .sobre-grid,
  .valor-grid {
    grid-template-columns: 1fr;
  }

  .hero-avatar {
    flex-direction: column;
    text-align: center;
  }

  .float-cta {
    bottom: 0.75rem;
    right: 0.75rem;
    font-size: 0.4rem;
  }

  .menu-btn {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 0, 20, 0.98);
    padding: 1rem;
    border-bottom: 2px solid var(--border);
  }

  .nav.is-open {
    display: flex;
  }
}

@media (prefers-contrast: more) {
  :root {
    --text: #ffffff;
    --text-secondary: #e2e0ea;
    --border: #6a7aa8;
    --accent: #00e6c8;
  }
  .scanlines,
  .crt-overlay {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee span,
  .glitch::after,
  .btn-pulse {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  html {
    scroll-behavior: auto;
  }
}