/*
 * style.css — FLISoL UNPAZ 2025
 * Licencia: GPL-3.0
 *
 * ESTRUCTURA DE ESTE ARCHIVO:
 * 1. Variables y reset
 * 2. Tipografía base
 * 3. Utilidades
 * 4. Header
 * 5. Hero
 * 6. Libre vs Propietario
 * 7. Las 4 Libertades
 * 8. Licencias
 * 9. Mural de participantes
 * 10. Cómo contribuir
 * 11. Footer
 * 12. Responsive (mobile)
 *
 * ¿Querés cambiar los colores? Modificá las variables en :root
 * ¿Querés cambiar el layout? Cada sección tiene su propio bloque
 */


/* ══════════════════════════════════════
   1. VARIABLES Y RESET
   ══════════════════════════════════════ */

:root {
  /* Colores principales — inspirados en el flyer de FLISoL UNPAZ */
  --naranja:      #F26522;   /* naranja del flyer */
  --naranja-osc:  #c44e12;
  --azul:         #1B4F9B;   /* azul institucional */
  --azul-osc:     #0e2f5e;
  --azul-claro:   #e8f0fb;

  /* Colores de interfaz */
  --bg:           #f7f5f0;   /* fondo general — cálido, no blanco puro */
  --bg-oscuro:    #0f1a0f;   /* fondo oscuro para secciones de contraste */
  --texto:        #1a1a1a;
  --texto-suave:  #555;
  --borde:        #d9d3c8;

  /* Colores semánticos */
  --verde:        #2d7a3a;
  --verde-bg:     #edf7ef;
  --rojo:         #b91c1c;
  --rojo-bg:      #fef2f2;

  /* Licencias */
  --gpl-color:    #c44e12;
  --mit-color:    #1B4F9B;
  --apache-color: #2d7a3a;

  /* Tipografías */
  --font-display: 'Archivo Black', sans-serif;
  --font-body:    'Archivo', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  /* Espaciado */
  --radius:       6px;
  --gap:          1.5rem;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--texto);
  font-family: var(--font-body);
  line-height: 1.65;
}

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

a {
  color: var(--naranja);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

code {
  font-family: var(--font-mono);
  font-size: .88em;
  background: #ede9e0;
  padding: .1em .4em;
  border-radius: 3px;
  border: 1px solid var(--borde);
}


/* ══════════════════════════════════════
   2. UTILIDADES
   ══════════════════════════════════════ */

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
  color: var(--azul-osc);
  margin-bottom: .75rem;
}

.section-title--light {
  color: #fff;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--texto-suave);
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-lead--light {
  color: rgba(255,255,255,.8);
}


/* ══════════════════════════════════════
   3. HEADER
   ══════════════════════════════════════ */

.site-header {
  background: var(--azul-osc);
  border-bottom: 3px solid var(--naranja);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 1rem;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  flex-shrink: 0;
}

.brand-flisol {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--naranja);
  letter-spacing: .04em;
}

.brand-unpaz {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: rgba(255,255,255,.6);
  letter-spacing: .1em;
}

.header-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.header-nav a {
  color: rgba(255,255,255,.75);
  font-size: .85rem;
  font-family: var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color .2s;
}

.header-nav a:hover { color: #fff; }

.nav-repo {
  background: var(--naranja) !important;
  color: #fff !important;
  padding: .3rem .85rem;
  border-radius: var(--radius);
  font-weight: 600;
}

.nav-repo:hover { background: var(--naranja-osc) !important; }


/* ══════════════════════════════════════
   4. HERO
   ══════════════════════════════════════ */

.hero {
  background: var(--azul-osc);
  padding: 4rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

/* Detalle decorativo de fondo */
.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  border: 60px solid rgba(242,101,34,.1);
  border-radius: 50%;
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--naranja);
  margin-bottom: 1rem;
  border-left: 3px solid var(--naranja);
  padding-left: .75rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: .95;
  color: #fff;
  letter-spacing: -.01em;
  margin-bottom: 1.25rem;
}

.hero-title em {
  font-style: normal;
  color: var(--naranja);
  display: inline;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 2rem;
  max-width: 480px;
  border-left: 2px solid rgba(255,255,255,.2);
  padding-left: 1rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
}

.meta-item {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: rgba(255,255,255,.6);
}

/* Tux decorativo — posicionado a la derecha */
.hero-tux {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  opacity: .12;
  pointer-events: none;
}

.tux-ascii {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  line-height: 1.35;
  color: #fff;
  white-space: pre;
}


/* ══════════════════════════════════════
   5. LIBRE VS PROPIETARIO
   ══════════════════════════════════════ */

.compare {
  padding: 5rem 0;
  background: var(--bg);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--borde);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}

.compare-card {
  padding: 2rem;
}

.compare-libre {
  background: var(--verde-bg);
  border-right: 2px solid var(--borde);
}

.compare-propietario {
  background: var(--rojo-bg);
}

.compare-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--borde);
}

.compare-libre .compare-label   { color: var(--verde); }
.compare-propietario .compare-label { color: var(--rojo); }

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.compare-list li {
  font-size: .95rem;
  line-height: 1.5;
}

.compare-footer {
  font-size: .95rem;
  color: var(--texto-suave);
  background: #ede9e0;
  border-left: 4px solid var(--naranja);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}


/* ══════════════════════════════════════
   6. LAS 4 LIBERTADES
   ══════════════════════════════════════ */

.freedoms {
  background: var(--azul-osc);
  padding: 5rem 0;
}

.freedoms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.1);
}

.freedom-card {
  background: rgba(255,255,255,.04);
  padding: 2rem 1.5rem;
  transition: background .2s;
}

.freedom-card:hover {
  background: rgba(255,255,255,.09);
}

.freedom-number {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--naranja);
  margin-bottom: .5rem;
  opacity: .9;
}

.freedom-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: .75rem;
  letter-spacing: .04em;
}

.freedom-card p {
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 1rem;
}

.freedom-example {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: rgba(242, 101, 34, .8);
  background: rgba(242, 101, 34, .08);
  padding: .5rem .75rem;
  border-radius: var(--radius);
  border-left: 2px solid var(--naranja);
  line-height: 1.4;
}


/* ══════════════════════════════════════
   7. LICENCIAS
   ══════════════════════════════════════ */

.licenses {
  padding: 5rem 0;
  background: #fff;
}

.licenses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-bottom: 2rem;
}

.license-card {
  border: 2px solid var(--borde);
  border-radius: var(--radius);
  padding: 1.75rem;
  border-top-width: 4px;
  transition: transform .2s, box-shadow .2s;
}

.license-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,.08);
}

.license-gpl    { border-top-color: var(--gpl-color); }
.license-mit    { border-top-color: var(--mit-color); }
.license-apache { border-top-color: var(--apache-color); }

.license-name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: .2rem;
}

.license-gpl    .license-name { color: var(--gpl-color); }
.license-mit    .license-name { color: var(--mit-color); }
.license-apache .license-name { color: var(--apache-color); }

.license-full {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--texto-suave);
  letter-spacing: .04em;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--borde);
}

.license-desc {
  font-size: .9rem;
  color: var(--texto-suave);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.license-examples {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--texto-suave);
  background: var(--bg);
  padding: .4rem .75rem;
  border-radius: var(--radius);
}

.licenses-footer {
  font-size: .9rem;
  color: var(--texto-suave);
  background: var(--azul-claro);
  border-left: 4px solid var(--azul);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.licenses-footer strong { color: var(--azul-osc); }


/* ══════════════════════════════════════
   8. MURAL DE PARTICIPANTES
   ══════════════════════════════════════ */

.mural-section {
  background: var(--bg-oscuro);
  padding: 5rem 0;
}

.mural-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: .75rem;
}

.mural-count {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: rgba(255,255,255,.4);
}

.mural-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1px;
  background: rgba(255,255,255,.07);
}

.mural-loading {
  grid-column: 1 / -1;
  padding: 3rem;
  text-align: center;
  color: rgba(255,255,255,.35);
  font-family: var(--font-mono);
  font-size: .9rem;
}

/* Las tarjetas se generan desde app.js */
.mural-card {
  background: rgba(255,255,255,.03);
  padding: 1.5rem;
  transition: background .15s;
  animation: card-in .35s ease both;
}

.mural-card:hover {
  background: rgba(255,255,255,.07);
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.mural-rol {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: .6rem;
}

.rol-tester      { color: #5dd4c8; }
.rol-sugiere     { color: var(--naranja); }
.rol-developer   { color: #6de87a; }

.mural-nombre {
  font-family: var(--font-display);
  font-size: 1rem;
  color: #fff;
  margin-bottom: .15rem;
}

.mural-ciudad {
  font-size: .8rem;
  color: rgba(255,255,255,.4);
  font-family: var(--font-mono);
  margin-bottom: .9rem;
}

.mural-mensaje {
  font-size: .88rem;
  color: rgba(255,255,255,.65);
  font-style: italic;
  border-left: 2px solid rgba(255,255,255,.15);
  padding-left: .75rem;
  line-height: 1.5;
}

.mural-libertad {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: rgba(255,255,255,.05);
  float: right;
  margin-top: -2.8rem;
  line-height: 1;
  pointer-events: none;
  transition: color .2s;
}

.mural-card:hover .mural-libertad {
  color: rgba(242, 101, 34, .15);
}


/* ══════════════════════════════════════
   9. CÓMO CONTRIBUIR
   ══════════════════════════════════════ */

.contribute {
  padding: 5rem 0;
  background: var(--bg);
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.level-card {
  border: 2px solid var(--borde);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.level-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: 999px;
  width: fit-content;
}

.level-tester      .level-badge { background: #e0f7f6; color: #0e7a72; }
.level-contributor .level-badge { background: #fff0e8; color: var(--naranja-osc); }
.level-developer   .level-badge { background: #eaf7eb; color: var(--verde); }

.level-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--azul-osc);
}

.level-desc {
  font-size: .9rem;
  color: var(--texto-suave);
  line-height: 1.6;
}

.level-steps {
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  flex: 1;
}

.level-steps li {
  counter-increment: steps;
  font-size: .88rem;
  color: var(--texto);
  padding: .4rem 0 .4rem 2rem;
  border-bottom: 1px solid var(--borde);
  position: relative;
  line-height: 1.5;
}

.level-steps li:last-child { border-bottom: none; }

.level-steps li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--naranja);
}

.level-freedom {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--texto-suave);
  background: var(--bg);
  border: 1px solid var(--borde);
  border-left: 3px solid var(--naranja);
  padding: .5rem .75rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.level-freedom strong { color: var(--naranja); }


/* ══════════════════════════════════════
   10. FOOTER
   ══════════════════════════════════════ */

.site-footer {
  background: var(--azul-osc);
  border-top: 3px solid var(--naranja);
  padding: 2rem 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
}

.footer-left,
.footer-right,
.footer-center {
  font-size: .82rem;
  color: rgba(255,255,255,.55);
  line-height: 1.8;
}

.footer-center {
  text-align: center;
}

.footer-right {
  text-align: right;
  font-family: var(--font-mono);
}

.footer-center a {
  color: rgba(255,255,255,.75);
}
.footer-center a:hover { color: #fff; }


/* ══════════════════════════════════════
   11. RESPONSIVE — MOBILE
   ══════════════════════════════════════ */

@media (max-width: 768px) {
  .header-nav { display: none; }

  .hero-tux { display: none; }

  .hero-title { font-size: 3rem; }

  .compare-grid,
  .freedoms-grid,
  .licenses-grid,
  .levels-grid {
    grid-template-columns: 1fr;
  }

  .compare-libre { border-right: none; border-bottom: 2px solid var(--borde); }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-right { text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 3rem 0 2.5rem; }
  .hero-title { font-size: 2.5rem; }
}