/* =========================================================
   Cirice SpA — Diseño 8-bit moderno
   - Dark theme con paleta de monitor ámbar fosfórico
   - Sombras hard-offset (sin blur) para capas reales
   - Bordes pixel-perfect, tipografía mixta
   ========================================================= */

:root {
  /* Paleta — "GitHub dark" + ámbar arcade */
  --c-bg:           #0D1117;
  --c-bg-alt:       #161B22;
  --c-surface:      #1C2128;
  --c-elevated:     #22272E;
  --c-text:         #E6EDF3;
  --c-text-muted:   #8B949E;
  --c-text-dim:     #6E7681;
  --c-border:       #30363D;
  --c-border-strong:#424A53;

  /* Acentos */
  --c-amber:        #F0B429;   /* primario - ámbar arcade */
  --c-amber-soft:   #FFE066;
  --c-amber-dark:   #B8860B;
  --c-cyan:         #58A6FF;   /* secundario - tech */
  --c-cyan-soft:    #79C0FF;
  --c-success:      #56D364;
  --c-magenta:      #D2A8FF;

  /* Sombras pixel */
  --shadow-pixel-1: 2px 2px 0 0 var(--c-amber-dark);
  --shadow-pixel-2: 4px 4px 0 0 #000;
  --shadow-pixel-3: 6px 6px 0 0 #000;
  --shadow-stack:   2px 2px 0 0 var(--c-border-strong), 4px 4px 0 0 #000;
  --shadow-stack-amber: 2px 2px 0 0 var(--c-amber-dark), 4px 4px 0 0 #000;

  /* Tipografía */
  --ff-pixel:    'Press Start 2P', ui-monospace, monospace;
  --ff-vt:       'VT323', 'JetBrains Mono', ui-monospace, monospace;
  --ff-mono:     'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --ff-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  /* Layout */
  --container: 1200px;
  --step: 4px;          /* unidad pixel base */
  --border-w: 2px;
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--c-bg);
}
body {
  margin: 0;
  font-family: var(--ff-sans);
  color: var(--c-text);
  background: var(--c-bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* Grid pixel sutil sobre todo el body */
  background-image:
    linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.012) 1px, transparent 1px);
  background-size: 24px 24px;
  background-attachment: fixed;
}
img, svg { display: block; max-width: 100%; }
svg { shape-rendering: crispEdges; }  /* aristas duras pixel-art */
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: 0 0 .6em;
  color: var(--c-text);
  font-weight: 800;
}
h1 { font-size: clamp(2.4rem, 4.6vw + 1rem, 4.4rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 2.4vw + 1rem, 2.6rem); }
h3 { font-size: 1.2rem; font-weight: 700; }
p  { margin: 0 0 1em; color: var(--c-text-muted); }
strong { color: var(--c-text); font-weight: 600; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* =========================================================
   Overlay scanlines (CRT sutil)
   ========================================================= */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0,0,0,.18) 2px,
    rgba(0,0,0,.18) 3px
  );
  opacity: .35;
  mix-blend-mode: multiply;
}

/* =========================================================
   Accesibilidad
   ========================================================= */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--c-amber);
  color: #000;
  padding: 10px 16px;
  border: var(--border-w) solid #000;
  box-shadow: 4px 4px 0 0 #000;
  font-family: var(--ff-mono);
  font-weight: 700;
  z-index: 1100;
  transition: top .15s steps(3, end);
}
.skip-link:focus { top: 16px; }

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

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 17, 23, .85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: var(--border-w) solid transparent;
  transition: border-color .2s, background .2s;
}
.site-header.scrolled {
  border-bottom-color: var(--c-border);
  background: rgba(13, 17, 23, .96);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  line-height: 0;
}
.brand img {
  height: 38px;
  width: auto;
  display: block;
  /* Logo en color crema para dark mode */
  filter: brightness(0) invert(.96);
  transition: filter .15s steps(3, end);
}
.brand:hover img {
  filter: brightness(0) saturate(100%) invert(76%) sepia(67%) saturate(2100%) hue-rotate(2deg) brightness(98%) contrast(91%);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.primary-nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--c-text-muted);
  padding: 8px 14px;
  position: relative;
  transition: color .15s;
}
.primary-nav a:hover { color: var(--c-text); }
.primary-nav a::before {
  content: "[";
  color: var(--c-amber);
  opacity: 0;
  margin-right: 4px;
  transition: opacity .15s steps(3, end);
}
.primary-nav a::after {
  content: "]";
  color: var(--c-amber);
  opacity: 0;
  margin-left: 4px;
  transition: opacity .15s steps(3, end);
}
.primary-nav a:hover::before,
.primary-nav a:hover::after { opacity: 1; }

.primary-nav .nav-cta {
  background: var(--c-amber);
  color: #000;
  padding: 10px 18px;
  border: var(--border-w) solid #000;
  font-weight: 700;
  box-shadow: 3px 3px 0 0 #000;
  margin-left: 8px;
  transition: transform .1s steps(2), box-shadow .1s steps(2);
}
.primary-nav .nav-cta::before,
.primary-nav .nav-cta::after { display: none; }
.primary-nav .nav-cta:hover {
  color: #000;
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 0 #000;
}
.primary-nav .nav-cta:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 0 #000;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: var(--border-w) solid var(--c-border);
  padding: 0;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
}
.menu-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  background: var(--c-amber);
  transition: transform .15s steps(2), opacity .1s;
}

/* =========================================================
   Botones genéricos (estilo pixel)
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-family: var(--ff-mono);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  border: var(--border-w) solid #000;
  cursor: pointer;
  transition: transform .1s steps(2), box-shadow .1s steps(2), background .15s;
  text-transform: none;
}
.btn-primary {
  background: var(--c-amber);
  color: #000;
  box-shadow: 4px 4px 0 0 #000;
}
.btn-primary:hover {
  background: var(--c-amber-soft);
  color: #000;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 #000;
}
.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 0 #000;
}
.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border-strong);
  box-shadow: 4px 4px 0 0 var(--c-border);
}
.btn-ghost:hover {
  border-color: var(--c-amber);
  color: var(--c-amber);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 var(--c-border);
}
.btn-ghost:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 0 transparent;
}
.btn-lg { padding: 18px 28px; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; }

/* =========================================================
   Eyebrow — etiqueta pixel
   ========================================================= */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-pixel);
  font-size: .58rem;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--c-amber);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.eyebrow .dot {
  width: 8px; height: 8px;
  background: var(--c-amber);
  display: inline-block;
  box-shadow: 0 0 0 2px var(--c-bg), 0 0 0 4px var(--c-amber-dark);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 9vw, 100px);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 78% 25%, rgba(240,180,41,.10), transparent 45%),
    radial-gradient(circle at 12% 70%, rgba(88,166,255,.07), transparent 45%);
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(240,180,41,.04) 2px, transparent 2px);
  background-size: 100% 8px;
  opacity: .5;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  color: var(--c-text);
  margin-bottom: 24px;
}
.hero h1 .amber {
  color: var(--c-amber);
  display: inline-block;
  position: relative;
  padding: 0 4px;
}
.hero h1 .amber::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-amber);
  opacity: .12;
  z-index: -1;
}
.lead {
  font-size: 1.1rem;
  color: var(--c-text-muted);
  max-width: 560px;
  margin-bottom: 32px;
}
.lead strong { color: var(--c-amber); font-weight: 600; }
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  color: var(--c-text-muted);
  font-family: var(--ff-mono);
  font-size: .82rem;
}
.hero-badges span { display: inline-flex; align-items: center; gap: 6px; }
.hero-badges strong { color: var(--c-amber); font-weight: 700; }

/* ----- Terminal en hero ----- */
.terminal {
  position: relative;
  background: #04070b;
  border: var(--border-w) solid var(--c-amber-dark);
  font-family: var(--ff-vt);
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--c-amber);
  /* Capas: 3 sombras desplazadas crean profundidad real */
  box-shadow:
    4px 4px 0 0 var(--c-amber-dark),
    8px 8px 0 0 #000,
    12px 12px 0 0 var(--c-border);
  text-shadow: 0 0 6px rgba(240,180,41,.35);
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--c-amber-dark);
  color: #000;
  padding: 8px 14px;
  font-family: var(--ff-pixel);
  font-size: .55rem;
  letter-spacing: .04em;
}
.terminal-dots { display: inline-flex; gap: 6px; }
.terminal-dots span {
  display: block;
  width: 10px; height: 10px;
  background: #000;
  opacity: .65;
}
.terminal-body {
  padding: 20px 22px 24px;
  position: relative;
  min-height: 240px;
}
.terminal-body p { color: inherit; margin: 0 0 .35em; }
.terminal-body .ok    { color: var(--c-success); }
.terminal-body .cyan  { color: var(--c-cyan-soft); }
.terminal-body .dim   { color: rgba(240,180,41,.55); }
.terminal-body .prompt { color: var(--c-success); margin-right: 6px; }
.terminal-body .cursor {
  display: inline-block;
  width: .55em;
  height: 1.05em;
  background: var(--c-amber);
  vertical-align: -.15em;
  animation: blink 1.05s steps(2) infinite;
  box-shadow: 0 0 8px rgba(240,180,41,.5);
}
@keyframes blink { 50% { opacity: 0; } }

/* =========================================================
   Secciones
   ========================================================= */
.section {
  padding: clamp(70px, 9vw, 110px) 0;
  position: relative;
}
.section-alt {
  background: var(--c-bg-alt);
  border-block: var(--border-w) solid var(--c-border);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .eyebrow { justify-content: center; }
.section-sub {
  color: var(--c-text-muted);
  font-size: 1.05rem;
}

/* Decoración pixel bracket en h2 */
.section-head h2 {
  position: relative;
  display: inline-block;
  padding: 0 28px;
}
.section-head h2::before,
.section-head h2::after {
  content: "";
  position: absolute;
  top: 0;
  width: 14px; height: 100%;
  border: var(--border-w) solid var(--c-amber);
}
.section-head h2::before {
  left: 0;
  border-right: 0;
}
.section-head h2::after {
  right: 0;
  border-left: 0;
}

/* =========================================================
   Servicios — Cards con capas
   ========================================================= */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.card {
  position: relative;
  background: var(--c-surface);
  border: var(--border-w) solid var(--c-border);
  padding: 28px;
  /* Doble sombra para sensación de capas apiladas */
  box-shadow:
    4px 4px 0 0 var(--c-border),
    8px 8px 0 0 #000;
  transition:
    transform .12s steps(3, end),
    box-shadow .12s steps(3, end),
    border-color .12s steps(3, end);
}
.card:hover {
  transform: translate(-4px, -4px);
  border-color: var(--c-amber);
  box-shadow:
    4px 4px 0 0 var(--c-amber-dark),
    8px 8px 0 0 var(--c-border),
    12px 12px 0 0 #000;
}
.card-icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-elevated);
  border: var(--border-w) solid var(--c-amber);
  color: var(--c-amber);
  margin-bottom: 18px;
  box-shadow: 3px 3px 0 0 #000;
}
.card-icon svg { width: 32px; height: 32px; }
.card h3 { color: var(--c-text); margin-bottom: 10px; font-family: var(--ff-sans); }
.card p  {
  color: var(--c-text-muted);
  font-size: .94rem;
  margin-bottom: 18px;
}
.tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tags li {
  font-family: var(--ff-mono);
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 9px;
  background: var(--c-bg);
  color: var(--c-cyan-soft);
  border: 1px solid var(--c-border);
}

/* =========================================================
   Nosotros
   ========================================================= */
.about-inner {
  max-width: 820px;
  margin: 0 auto;
}
.about-inner h2 { color: var(--c-text); }
.about-inner p  { color: var(--c-text-muted); font-size: 1.02rem; }
.about-cta { margin-top: 36px; }

.facts {
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.facts div {
  background: var(--c-surface);
  border: var(--border-w) solid var(--c-border);
  padding: 18px 20px;
  box-shadow: 3px 3px 0 0 #000;
  transition: transform .12s steps(3), border-color .12s steps(3);
}
.facts div:hover {
  transform: translate(-2px, -2px);
  border-color: var(--c-amber);
  box-shadow: 5px 5px 0 0 #000;
}
.facts dt {
  font-family: var(--ff-pixel);
  font-size: .55rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 8px;
}
.facts dd {
  margin: 0;
  color: var(--c-text);
  font-weight: 500;
  font-size: .98rem;
}

/* =========================================================
   Stack
   ========================================================= */
.stack-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.stack-grid li {
  background: var(--c-surface);
  border: var(--border-w) solid var(--c-border);
  padding: 16px 18px;
  text-align: center;
  font-family: var(--ff-mono);
  font-weight: 600;
  color: var(--c-text);
  font-size: .88rem;
  box-shadow: 3px 3px 0 0 #000;
  position: relative;
  transition: transform .12s steps(3), border-color .12s steps(3), color .12s;
}
.stack-grid li::before {
  content: ">";
  color: var(--c-amber);
  margin-right: 6px;
  font-weight: 700;
}
.stack-grid li:hover {
  transform: translate(-2px, -2px);
  border-color: var(--c-amber);
  color: var(--c-amber);
  box-shadow: 5px 5px 0 0 #000;
}

/* =========================================================
   CTA final
   ========================================================= */
.section-cta {
  background: var(--c-bg-alt);
  text-align: center;
  border-block: var(--border-w) solid var(--c-border);
  position: relative;
  overflow: hidden;
}
.section-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(240,180,41,.06), transparent 50%);
  pointer-events: none;
}
.cta-inner { max-width: 640px; margin: 0 auto; position: relative; }
.section-cta h2 { color: var(--c-text); }
.section-cta p  { color: var(--c-text-muted); }
.section-cta .btn-primary {
  margin-top: 16px;
  font-family: var(--ff-mono);
  font-size: 1.05rem;
}
.cta-sub {
  margin-top: 22px;
  font-family: var(--ff-mono);
  font-size: .85rem;
  color: var(--c-text-dim);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: #04070b;
  color: var(--c-text-muted);
  padding: 56px 0 32px;
  border-top: var(--border-w) solid var(--c-amber-dark);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-logo {
  height: 36px;
  width: auto;
  display: block;
  filter: brightness(0) saturate(100%) invert(76%) sepia(67%) saturate(2100%) hue-rotate(2deg) brightness(98%) contrast(91%);
  opacity: .92;
}
.footer-nav {
  display: flex;
  justify-content: flex-end;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-family: var(--ff-mono);
  font-size: .85rem;
  color: var(--c-text-muted);
  transition: color .12s;
}
.footer-nav a:hover { color: var(--c-amber); }

.copyright {
  grid-column: 1 / -1;
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--c-border);
  font-family: var(--ff-mono);
  font-size: .78rem;
  color: var(--c-text-dim);
  text-align: center;
}

/* =========================================================
   Reveal on scroll — stepped en lugar de smooth
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .35s steps(5, end), transform .35s steps(5, end);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .terminal-body .cursor { animation: none; }
  .scanlines { display: none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .terminal { font-size: 1.1rem; }
}

@media (max-width: 880px) {
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .footer-nav   { justify-content: center; }
}

@media (max-width: 720px) {
  .menu-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: var(--c-bg);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 24px;
    border-bottom: var(--border-w) solid var(--c-border);
    box-shadow: 0 6px 0 0 #000;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform .15s steps(3), opacity .15s steps(3);
  }
  .primary-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .primary-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--c-border);
  }
  .primary-nav a::before,
  .primary-nav a::after { display: none; }
  .primary-nav .nav-cta {
    margin-top: 14px;
    text-align: center;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero-cta .btn { width: 100%; }
  .hero-badges  { font-size: .78rem; }
  .terminal-body { padding: 16px 16px 18px; min-height: 220px; }
  .terminal { font-size: 1rem; }
}