:root {
  --primary-color: #f97316;
  --primary-hover: #ea580c;
  --primary-light: #fb923c;
  --secondary-color: #f59e0b;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #475569;
  --card-bg: #1e293b;
  --gradient-primary: linear-gradient(135deg, #f97316, #fb923c);
  --gradient-secondary: linear-gradient(135deg, #ea580c, #f97316);
  --shadow-card: 0 4px 20px color-mix(in srgb, var(--text-primary) 8%, transparent);
  --shadow-card-hover: 0 20px 40px rgba(0, 0, 0, 0.24);
}

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/Inter-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/Inter-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("assets/fonts/Inter-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-primary);
  background:
    linear-gradient(rgba(0, 255, 136, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 25% 12%, rgba(249, 115, 22, 0.18), transparent 30rem),
    radial-gradient(circle at 85% 18%, rgba(245, 158, 11, 0.1), transparent 24rem),
    var(--bg-primary);
  background-size: 36px 36px, 36px 36px, auto, auto, auto;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.55), rgba(15, 23, 42, 0.96) 38%);
  pointer-events: none;
}

code,
pre,
kbd,
samp,
h1,
h2,
h3,
h4,
.figura-titulo,
.portada__datos strong {
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", Monaco, Consolas, monospace;
}

.documento {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 0 2rem 5rem;
}

.portada {
  min-height: 92vh;
  display: grid;
  align-items: center;
  padding: 7rem 0 4rem;
}

.portada-frame {
  display: block;
  width: min(100%, 1080px);
  aspect-ratio: 680 / 560;
  height: min(82.35vw, 890px);
  margin: 0 auto;
  overflow: hidden;
  border: 0;
  border-radius: 16px;
  background: transparent;
}

h1 {
  max-width: 880px;
  margin: 0 0 1.25rem;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
}

.subtitulo {
  max-width: 780px;
  margin: 0 0 2rem;
  color: var(--text-secondary);
  font-size: 1.25rem;
}

.portada__datos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  max-width: 850px;
}

.portada__datos p {
  margin: 0;
  padding: 0.875rem 1rem;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--card-bg) 72%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}

.portada__datos strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.bloque {
  margin-bottom: 6rem;
}

.bloque h2 {
  margin: 0 0 1.5rem;
  color: var(--primary-color);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
}

.bloque > p,
.narrativa {
  max-width: 900px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.bloque > p {
  margin: 0 0 1rem;
}

#objetivos h2 {
  max-width: none;
}

#objetivos h2 span {
  display: block;
}

#objetivos h2 span:first-child {
  margin-bottom: 0.35rem;
  font-size: inherit;
  text-transform: none;
}

#objetivos p {
  max-width: 1100px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.tarjeta-figura {
  margin: 0 0 2rem;
  padding: 2rem;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.tarjeta-figura:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--primary-color) 55%, var(--border-color));
  box-shadow: var(--shadow-card-hover);
}

.figura-titulo {
  margin: 0 0 1rem;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
}

.tarjeta-figura img {
  display: block;
  width: 100%;
  max-width: 980px;
  height: auto;
  margin: 0 auto 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary);
}

.diagrama-arquitectura {
  display: block;
  width: min(100%, 580px);
  aspect-ratio: 580 / 920;
  height: min(159vw, 920px);
  margin: 0 auto 1.25rem;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: #0f172a;
}

.arquitectura-print {
  display: none !important;
}

.narrativa {
  margin: 0;
}

#arquitectura .narrativa,
#conclusion,
.footer-final {
  text-align: center;
}

.footer-final {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
  text-align: left;
}

.footer-final p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

.footer-final .cierre {
  margin-top: 1rem;
  color: var(--text-muted);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
  font-weight: 400;
}

#arquitectura .narrativa,
#conclusion p {
  margin-right: auto;
  margin-left: auto;
}

.cuadro-tecnico {
  margin-top: 1.5rem;
  padding: 1.5rem;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--bg-tertiary) 52%, transparent);
  border: 1px solid var(--border-color);
  border-left: 5px solid var(--primary-color);
  border-radius: 12px;
}

.cuadro-tecnico h3 {
  margin: 0 0 0.75rem;
  color: var(--text-primary);
  font-size: 1.25rem;
}

.cuadro-tecnico p {
  margin: 0;
}

.notebook-item {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.notebook-item h4 {
  margin: 0 0 0.35rem;
  color: var(--primary-light);
  font-size: 0.95rem;
}

.nota-final {
  margin-top: 1.25rem !important;
  padding-top: 1rem;
  color: var(--text-primary);
  border-top: 2px solid color-mix(in srgb, var(--primary-color) 45%, var(--border-color));
  font-weight: 600;
}

ul {
  max-width: 920px;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-secondary);
}

li + li {
  margin-top: 0.65rem;
}

li::marker {
  color: var(--primary-color);
}

a {
  color: var(--primary-light);
  text-decoration: none;
}

a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.cierre {
  margin-top: 1.25rem;
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
}

@media (max-width: 720px) {
  .documento {
    padding: 0 1rem 3rem;
  }

  .portada {
    min-height: auto;
    padding: 4rem 0 3rem;
  }

  .subtitulo {
    font-size: 1.05rem;
  }

  .bloque {
    margin-bottom: 3.5rem;
  }

  .tarjeta-figura,
  .cuadro-tecnico {
    padding: 1rem;
    border-radius: 12px;
  }

  .diagrama-arquitectura {
    width: 100%;
  }
}