/* ==========================================================================
   PREMIOS ILAN A LA INNOVACIÓN 2026 — Hoja de estilos
   ILAN · Israel Innovation Network
   Paleta y tipografía según Manual de Marca ILAN.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES (CUSTOM PROPERTIES)
   -------------------------------------------------------------------------- */
:root {

  /* --- Colores institucionales ILAN (VERIFICADOS contra el Manual de Marca) --- */
  /* Valores extraídos por muestreo directo del archivo oficial Logo Ilan-01.png */
  --color-primary:        #2F2E83;  /* Navy ILAN — Pantone 293C */
  --color-primary-deep:   #1B1A5C;  /* Navy profundo — derivado, para contraste AA */
  --color-primary-darker: #14134A;  /* Navy más oscuro — texto sobre azul cielo */
  --color-secondary:      #4BA0D8;  /* Azul cielo ILAN — Pantone 5435C */
  --color-secondary-soft: #E8F2FA;  /* Azul cielo al 10% — fondos y tints */

  /* --- Neutros --- */
  --color-white:          #FFFFFF;
  --color-background:     #FFFFFF;
  --color-surface:        #F5F7FB;
  --color-border:         #DDE3EF;
  --color-text-primary:   #1A1A2E;
  --color-text-secondary: #4A4A6A;
  --color-text-inverse:   #FFFFFF;
  --color-text-inverse-muted: rgba(255, 255, 255, 0.82);

  /* --- Acentos de categoría para las tarjetas (derivados, no institucionales) --- */
  --accent-verde:  #1F7A5C;
  --accent-azul:   #2F6FA8;
  --accent-morado: #4A3F91;
  --accent-ambar:  #9A6512;

  /* --- Tipografía --- */
  /* Arimo es metricamente compatible con Arial (fuente del Manual de Marca ILAN).
     El stack degrada a Arial nativo si Google Fonts no carga. */
  --font-heading: 'Arimo', Arial, 'Helvetica Neue', Helvetica, sans-serif;
  --font-body:    'Arimo', Arial, 'Helvetica Neue', Helvetica, sans-serif;

  --fs-hero:    clamp(2.1rem, 6vw, 4rem);
  --fs-h2:      clamp(1.6rem, 3.6vw, 2.5rem);
  --fs-h3:      clamp(1.1rem, 2vw, 1.35rem);
  --fs-lead:    clamp(1rem, 1.6vw, 1.18rem);
  --fs-body:    1rem;
  --fs-small:   0.875rem;
  --fs-eyebrow: 0.78rem;

  --lh-tight: 1.15;
  --lh-snug:  1.35;
  --lh-body:  1.65;

  /* --- Espaciados --- */
  --spacing-section:  clamp(56px, 8vw, 96px);
  --spacing-card-gap: 24px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
  --container-max: 1180px;
  --container-narrow: 760px;
  --gutter: clamp(20px, 5vw, 40px);

  /* --- Formas y sombras --- */
  --border-radius-card: 14px;
  --border-radius-pill: 999px;
  --border-radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 8px 26px rgba(26, 26, 46, 0.10);
  --shadow-lg: 0 16px 44px rgba(26, 26, 46, 0.16);
  --shadow-focus: 0 0 0 3px var(--color-white), 0 0 0 6px var(--color-secondary);

  /* --- Transiciones --- */
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;

  --header-height: 80px;
}

/* --------------------------------------------------------------------------
   2. RESET Y BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* Compensa el header fijo al saltar a un ancla */
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: var(--lh-tight);
  margin: 0 0 var(--spacing-sm);
  color: var(--color-primary);
}

p { margin: 0 0 var(--spacing-sm); }

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

ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--color-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }

/* Foco visible y consistente en todos los elementos interactivos (WCAG 2.4.7) */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: var(--border-radius-sm);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 12px 20px;
  font-weight: 700;
  border-radius: 0 0 var(--border-radius-sm) 0;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

/* --------------------------------------------------------------------------
   3. BOTONES
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast),
              color var(--transition-fast);
  /* Área táctil mínima de 44px (WCAG 2.5.5) */
  min-height: 44px;
  padding: 12px 28px;
  font-size: 1rem;
  letter-spacing: 0.6px;
}

/* CTA primario: azul cielo ILAN sobre navy profundo — contraste 6.0:1 */
.btn--vote-primary {
  background-color: var(--color-secondary);
  color: var(--color-primary-darker);
  text-transform: uppercase;
  letter-spacing: 1.4px;
  box-shadow: 0 4px 14px rgba(75, 160, 216, 0.32);
}
.btn--vote-primary:hover,
.btn--vote-primary:focus-visible {
  background-color: #6FB4E4;
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(75, 160, 216, 0.46);
}
.btn--vote-primary:active { transform: translateY(-1px); }

/* CTA en tarjeta: navy sólido, contraste 11.6:1 con blanco */
.btn--vote-card {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  width: 100%;
  padding: 12px 20px;
  font-size: 0.95rem;
  letter-spacing: 0.4px;
  margin-top: auto;
}
.btn--vote-card:hover,
.btn--vote-card:focus-visible {
  background-color: var(--color-primary-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Botón secundario sobre fondo oscuro */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.6);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn--sm  { padding: 9px 20px; font-size: 0.85rem; min-height: 40px; }
.btn--lg  { padding: 15px 38px; font-size: 1.05rem; }
.btn--xl  { padding: 19px 52px; font-size: clamp(1.05rem, 2vw, 1.25rem); }
.btn--block { display: block; width: 100%; }

/* --------------------------------------------------------------------------
   4. HEADER Y NAVEGACIÓN
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-primary);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  min-height: var(--header-height);
}

.site-header__brand { display: flex; align-items: center; flex-shrink: 0; }

/* El logo oficial de ILAN es una insignia CUADRADA (~1:1) con bajada de tres
   líneas. Necesita más altura que un logotipo horizontal para que "ILAN" se
   lea con claridad; por eso el header es más alto de lo habitual. */
.site-header__logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* --- Respaldo tipográfico del logo ---------------------------------------
   Se muestra solo si el archivo de imagen falta o no carga. Evita que el
   navegador dibuje el ícono de "imagen rota" en el header. Sigue el sistema
   de logotipo tipográfico del Manual de Marca ILAN.
   ------------------------------------------------------------------------ */
.brand-fallback {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-fallback[hidden] { display: none; }

.brand-fallback__mark {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-white);
  line-height: 1;
}
/* Barra de acento en azul cielo, coherente con el logotipo */
.brand-fallback__mark::after {
  content: '';
  display: inline-block;
  width: 3px;
  height: 0.85em;
  margin-left: 10px;
  background-color: var(--color-secondary);
  vertical-align: -0.08em;
}

.brand-fallback--footer .brand-fallback__mark { font-size: 1.45rem; }

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}

.nav__link {
  color: var(--color-text-inverse);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 2px;
  width: 100%; height: 2px;
  background-color: var(--color-secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); }

/* Botón hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  order: 3;
}
.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   5. HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  color: var(--color-text-inverse);
  padding-block: clamp(64px, 11vw, 128px);
  overflow: hidden;
  text-align: center;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 20%, rgba(75, 160, 216, 0.45), transparent 55%),
    radial-gradient(circle at 85% 75%, rgba(75, 160, 216, 0.30), transparent 50%),
    linear-gradient(140deg, var(--color-primary) 0%, var(--color-primary-deep) 55%, #101040 100%);
}
/* Textura sutil de red — evoca la idea de "network" de ILAN */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 45%, black 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 45%, black 20%, transparent 78%);
}

.hero__inner { position: relative; }

.hero__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 700;
  color: var(--color-text-inverse);
  max-width: 24ch;
  margin-inline: auto;
  margin-bottom: var(--spacing-md);
  text-wrap: balance;
}
.hero__year {
  display: inline-block;
  color: var(--color-secondary);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  line-height: var(--lh-snug);
  color: var(--color-text-inverse-muted);
  max-width: 40ch;
  margin-inline: auto;
  margin-bottom: var(--spacing-md);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-small);
  color: var(--color-text-inverse-muted);
  margin-bottom: var(--spacing-lg);
}
.hero__meta strong { color: var(--color-white); }
.hero__meta-sep { color: var(--color-secondary); }
.hero__meta-item { white-space: nowrap; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
}

/* Cuenta regresiva */
.countdown { margin-top: var(--spacing-lg); }
.countdown__label {
  font-size: var(--fs-small);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-inverse-muted);
  margin-bottom: var(--spacing-xs);
}
.countdown__list {
  display: flex;
  justify-content: center;
  gap: clamp(10px, 2.5vw, 22px);
}
.countdown__unit {
  min-width: 68px;
  padding: 10px 6px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--border-radius-sm);
}
.countdown__num {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--color-white);
  font-variant-numeric: tabular-nums;
}
.countdown__word {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-text-inverse-muted);
}

/* --------------------------------------------------------------------------
   6. SECCIONES GENÉRICAS
   -------------------------------------------------------------------------- */
.section { padding-block: var(--spacing-section); }
.section--light { background-color: var(--color-background); }
.section--tint  { background-color: var(--color-surface); }

.section__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

.section__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  text-wrap: balance;
  max-width: 22ch;
  margin-inline: auto;
}
/* Modificador para títulos largos que necesitan todo el ancho disponible */
.section__title--center { max-width: 30ch; }

.section__lead {
  font-size: var(--fs-lead);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}
.section__lead strong { color: var(--color-primary); }

.section__intro {
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 62ch;
  margin-inline: auto;
  margin-bottom: var(--spacing-lg);
}

.section__actions { text-align: center; margin-top: var(--spacing-lg); }

/* Pilares numéricos */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-card-gap);
  text-align: center;
}
.pillar {
  padding: var(--spacing-md) var(--spacing-sm);
  background-color: var(--color-secondary-soft);
  border-radius: var(--border-radius-card);
  border: 1px solid var(--color-border);
}
.pillar__num {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}
.pillar__label {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: var(--lh-snug);
}

/* --------------------------------------------------------------------------
   6-bis. EL PREMIO
   Banda oscura para darle peso: es el principal motivador del voto.
   -------------------------------------------------------------------------- */
.prize-band {
  position: relative;
  padding-block: var(--spacing-section);
  color: var(--color-text-inverse);
  background:
    radial-gradient(circle at 82% 18%, rgba(75, 160, 216, 0.34), transparent 55%),
    linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
}

.prize-band__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-secondary);
  text-align: center;
  margin-bottom: var(--spacing-xs);
}

.prize-band__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  text-align: center;
  color: var(--color-text-inverse);
  max-width: 24ch;
  margin-inline: auto;
  margin-bottom: var(--spacing-sm);
  text-wrap: balance;
}

.prize-band__intro {
  font-size: var(--fs-lead);
  color: var(--color-text-inverse-muted);
  text-align: center;
  max-width: 60ch;
  margin-inline: auto;
  margin-bottom: var(--spacing-lg);
}

.prizes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-card-gap);
}

.prize {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--border-radius-card);
  transition: transform var(--transition-base), background-color var(--transition-base),
              border-color var(--transition-base);
}
.prize:hover {
  transform: translateY(-4px);
  background-color: rgba(255, 255, 255, 0.11);
  border-color: var(--color-secondary);
}

.prize__icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: var(--spacing-sm);
  border-radius: 50%;
  background-color: var(--color-secondary);
  color: var(--color-primary-darker);
}
.prize__icon svg { width: 29px; height: 29px; }

.prize__title {
  font-size: var(--fs-h3);
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-xs);
}

.prize__text {
  font-size: var(--fs-small);
  color: var(--color-text-inverse-muted);
  margin: 0;
}

.prize-band__note {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 68ch;
  margin-inline: auto;
  font-size: var(--fs-small);
  text-align: center;
  color: var(--color-text-inverse-muted);
  background-color: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--color-secondary);
  border-radius: var(--border-radius-sm);
}

/* --------------------------------------------------------------------------
   7. LAS DOS RONDAS
   -------------------------------------------------------------------------- */
.rounds {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-card-gap);
  margin-bottom: var(--spacing-md);
  counter-reset: ronda;
}

.round {
  position: relative;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) + 6px);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-secondary);
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow-sm);
}
/* La final se marca en navy: es la que define al ganador */
.round--final { border-left-color: var(--color-primary); }

.round__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-primary-deep);
  background-color: var(--color-secondary-soft);
  padding: 4px 11px;
  border-radius: var(--border-radius-pill);
  margin-bottom: var(--spacing-xs);
}
.round--final .round__tag {
  color: var(--color-text-inverse);
  background-color: var(--color-primary);
}

.round__title { font-size: var(--fs-h3); margin-bottom: 6px; }
.round__text  { font-size: var(--fs-small); color: var(--color-text-secondary); margin: 0 0 var(--spacing-sm); }
.round__text strong { color: var(--color-text-primary); }

.round__date {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: 0;
  padding-top: var(--spacing-xs);
  border-top: 1px solid var(--color-border);
}
.round__date strong { color: var(--color-primary); }

.rounds__note {
  max-width: 72ch;
  margin: 0 auto var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  background-color: var(--color-secondary-soft);
  border-radius: var(--border-radius-sm);
  text-align: center;
}

.steps__heading {
  font-size: var(--fs-h3);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* Bloques que dependen de la ronda activa (ver CONFIG.fase en script.js) */
.js-fase-ronda1[hidden],
.js-fase-final[hidden],
.js-fase-cerrada[hidden] { display: none; }

/* Aviso cuando la votación está cerrada */
.voting-closed {
  max-width: 70ch;
  margin: 0 auto var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  font-size: var(--fs-lead);
  color: var(--color-primary-deep);
  background-color: var(--color-secondary-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
}

/* --------------------------------------------------------------------------
   7-bis. PASOS PARA VOTAR
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-card-gap);
  counter-reset: step;
}

.step {
  position: relative;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.step__badge {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: 50%;
  border: 3px solid var(--color-surface);
}

.step__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: var(--spacing-sm) auto var(--spacing-sm);
  border-radius: 50%;
  background-color: var(--color-secondary-soft);
  color: var(--color-primary);
}
.step__icon svg { width: 28px; height: 28px; }

.step__title { font-size: var(--fs-h3); margin-bottom: var(--spacing-xs); }
.step__text  { font-size: var(--fs-small); color: var(--color-text-secondary); margin: 0; }

/* --------------------------------------------------------------------------
   8. FILTROS Y BUSCADOR
   Con 56 proyectos, encontrar uno concreto sin filtros es inviable.
   -------------------------------------------------------------------------- */
.filters { margin-bottom: var(--spacing-lg); }

.filters__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: var(--spacing-md);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;              /* área táctil WCAG 2.5.5 */
  padding: 9px 18px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
              color var(--transition-fast), transform var(--transition-fast);
}
.chip:hover { border-color: var(--color-secondary); transform: translateY(-2px); }

.chip.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.chip__count {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 22px;
  padding: 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--border-radius-pill);
  background-color: var(--color-secondary-soft);
  color: var(--color-primary-deep);
}
.chip.is-active .chip__count {
  background-color: rgba(255, 255, 255, 0.22);
  color: var(--color-white);
}

.filters__search {
  position: relative;
  max-width: 480px;
  margin: 0 auto var(--spacing-sm);
}
.filters__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 19px;
  height: 19px;
  color: var(--color-text-secondary);
  pointer-events: none;
}
.filters__input {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px 12px 46px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-pill);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.filters__input::placeholder { color: var(--color-text-secondary); opacity: 0.85; }
.filters__input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(75, 160, 216, 0.20);
}

.filters__status,
.filters__empty {
  text-align: center;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  margin: 0;
}
.filters__empty {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-secondary-soft);
  border-radius: var(--border-radius-card);
  color: var(--color-primary-deep);
}
.filters__empty[hidden] { display: none; }

/* Oculta visualmente pero sigue disponible para lectores de pantalla */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.nav__badge {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 19px;
  margin-left: 5px;
  padding: 0 5px;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: var(--border-radius-pill);
  background-color: var(--color-secondary);
  color: var(--color-primary-darker);
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   9. TARJETAS DE PROYECTO
   -------------------------------------------------------------------------- */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-card-gap);
}

/* Tarjeta oculta por el filtro o el buscador */
.project-card[hidden] { display: none; }

.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.project-card:hover,
.project-card:focus-within {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

/* El área de imagen funciona como placeholder gráfico: si el usuario no coloca
   una foto real, el ícono de fondo se muestra igual y la tarjeta no se rompe. */
.project-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  overflow: hidden;
}
.project-card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.project-card__glyph {
  color: rgba(255, 255, 255, 0.5);
  width: 46px;
  height: 46px;
}
.project-card__glyph svg { width: 100%; height: 100%; }

/* Etiqueta de país sobre la imagen — orienta cuando el grid está mezclado */
.project-card__flag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 5px 12px;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--color-primary-deep);
  background-color: rgba(255, 255, 255, 0.94);
  border-radius: var(--border-radius-pill);
}

.project-card__media--verde  { background: linear-gradient(135deg, #1F7A5C 0%, #12503C 100%); }
.project-card__media--azul   { background: linear-gradient(135deg, #2F6FA8 0%, #1B4A75 100%); }
.project-card__media--morado { background: linear-gradient(135deg, #4A3F91 0%, #2E265F 100%); }
.project-card__media--ambar  { background: linear-gradient(135deg, #9A6512 0%, #6B450A 100%); }

.project-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--spacing-md);
  gap: 6px;
}

/* --- Uniformidad entre tarjetas ------------------------------------------
   Los textos del documento original tienen longitudes muy distintas (títulos
   de 3 a 53 caracteres, descripciones de 109 a 257). Sin alturas fijas, las
   56 tarjetas se ven irregulares. Cada bloque reserva un número fijo de
   líneas, así todas las tarjetas miden exactamente lo mismo.
   -------------------------------------------------------------------------- */
.project-card__category {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--color-primary-deep);
  background-color: var(--color-secondary-soft);
  padding: 5px 12px;
  border-radius: var(--border-radius-pill);
  margin-bottom: var(--spacing-xs);
}

/* 3 líneas fijas: caben los dos títulos más largos («Predicción de tendencias
   de moda con redes neuronales» y «Reconocimiento inteligente de plantas
   medicinales») sin recortar el nombre de ningún proyecto. */
.project-card__title {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: var(--fs-h3);
  line-height: 1.25;
  min-height: calc(3 * 1.25em);
  margin: 0;
}

/* 2 líneas fijas. Azul cielo sobre blanco no alcanza AA a tamaño pequeño:
   se usa un tono más oscuro (#2A72A8 → 5.16:1). */
.project-card__institution {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: var(--fs-small);
  font-weight: 700;
  line-height: 1.35;
  min-height: calc(2 * 1.35em);
  color: #2A72A8;
  margin: 0;
}

/* 10 líneas fijas: cabe la descripción más larga (368 caracteres) sin cortar */
.project-card__description {
  display: -webkit-box;
  -webkit-line-clamp: 10;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.94rem;
  line-height: 1.5;
  min-height: calc(10 * 1.5em);
  color: var(--color-text-secondary);
  margin: var(--spacing-xs) 0 var(--spacing-md);
}

/* --------------------------------------------------------------------------
   9. BASES DE LA VOTACIÓN
   -------------------------------------------------------------------------- */
.rules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-card-gap);
}
.rule {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
}
.rule__title { font-size: 1.02rem; margin-bottom: 6px; }
.rule__text  { font-size: var(--fs-small); color: var(--color-text-secondary); margin: 0; }
.rule__text strong { color: var(--color-text-primary); }

/* --------------------------------------------------------------------------
   10. CTA FINAL
   -------------------------------------------------------------------------- */
.final-cta {
  position: relative;
  padding-block: var(--spacing-section);
  text-align: center;
  color: var(--color-text-inverse);
  background:
    radial-gradient(circle at 20% 30%, rgba(75, 160, 216, 0.38), transparent 55%),
    linear-gradient(120deg, var(--color-primary-deep) 0%, var(--color-primary) 100%);
}
.final-cta__inner { position: relative; z-index: 1; }
.final-cta__title {
  font-size: var(--fs-h2);
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-sm);
  text-wrap: balance;
}
.final-cta__text {
  font-size: var(--fs-lead);
  color: var(--color-text-inverse-muted);
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: var(--spacing-lg);
}
.final-cta__note {
  margin-top: var(--spacing-md);
  font-size: var(--fs-small);
  color: var(--color-text-inverse-muted);
}
.final-cta__note strong { color: var(--color-secondary); }

/* --------------------------------------------------------------------------
   11. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-deep);
  color: var(--color-text-inverse-muted);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  padding-block: var(--spacing-xl) var(--spacing-lg);
}

.site-footer__logo { height: 84px; width: auto; margin-bottom: var(--spacing-sm); display: block; }
.site-footer__tagline { font-size: var(--fs-small); max-width: 42ch; margin: 0; }

.site-footer__heading {
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.site-footer__links li { margin-bottom: 10px; }
.site-footer__links a {
  color: var(--color-text-inverse-muted);
  text-decoration: none;
  font-size: var(--fs-small);
  transition: color var(--transition-fast);
}
.site-footer__links a:hover,
.site-footer__links a:focus-visible { color: var(--color-white); text-decoration: underline; }

.site-footer__nav,
.site-footer__social { min-width: 0; }

.social { display: flex; flex-direction: column; gap: 10px; }
.social__label { line-height: 1; }
.social__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-inverse-muted);
  text-decoration: none;
  font-size: var(--fs-small);
  padding: 4px 0;
  transition: color var(--transition-fast);
}
.social__link svg { width: 20px; height: 20px; flex-shrink: 0; }
.social__link:hover,
.social__link:focus-visible { color: var(--color-secondary); }

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-block: var(--spacing-md);
  font-size: 0.8rem;
}
.site-footer__legal p { margin: 0; text-align: center; }

/* --------------------------------------------------------------------------
   12. BARRA FIJA DE VOTACIÓN (MÓVIL)
   -------------------------------------------------------------------------- */
.sticky-vote {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: none;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom, 0px));
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border);
  transform: translateY(110%);
  transition: transform var(--transition-base);
}
.sticky-vote.is-visible { transform: translateY(0); }

/* --------------------------------------------------------------------------
   13. ANIMACIONES DE ENTRADA
   -------------------------------------------------------------------------- */
[data-animate] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].is-visible { opacity: 1; transform: translateY(0); }

/* Fallback: si JavaScript está deshabilitado, todo se ve igual */
.no-js [data-animate] { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   14. MEDIA QUERIES
   -------------------------------------------------------------------------- */

/* --- Tablet: 769px – 1024px --- */
@media (max-width: 1024px) {
  .projects { grid-template-columns: repeat(2, 1fr); }
  .prizes   { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}

/* --- Mobile: ≤768px --- */
@media (max-width: 768px) {

  .nav-toggle { display: flex; }

  /* Menú desplegable a pantalla completa */
  .nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    background-color: var(--color-primary-deep);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open { max-height: 480px; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--spacing-sm) var(--gutter) var(--spacing-md);
  }
  .nav__item { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
  .nav__item--cta { border-bottom: none; padding-top: var(--spacing-sm); }
  .nav__link { display: block; padding: 14px 0; font-size: 1.05rem; }
  .nav__link::after { display: none; }
  .nav__item--cta .btn { width: 100%; }

  /* En móvil el logo cuadrado se reduce para no ocupar todo el header */
  .site-header__logo { height: 46px; }
  .site-footer__logo { height: 72px; }

  .hero { padding-block: clamp(48px, 12vw, 80px); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }

  .pillars,
  .steps,
  .projects,
  .prizes,
  .rounds,
  .rules { grid-template-columns: 1fr; }

  .prize { padding: var(--spacing-md); }

  /* En una sola columna las tarjetas se ven de a una: reservar 7 líneas de
     descripción dejaría huecos grandes. Se libera la altura mínima. */
  .project-card__title,
  .project-card__institution,
  .project-card__description { min-height: 0; }
  .project-card__description { -webkit-line-clamp: 12; }

  .steps { gap: 36px; }

  .site-footer__inner { grid-template-columns: 1fr; gap: var(--spacing-md); }

  /* La barra fija garantiza que "VOTAR AHORA" siempre esté accesible en móvil */
  .sticky-vote { display: block; }
  body { padding-bottom: 0; }

  /* Evita que la barra fija tape el pie legal */
  .site-footer__legal { padding-bottom: 84px; }
}

/* --- Mobile pequeño --- */
@media (max-width: 420px) {
  .countdown__unit { min-width: 58px; padding: 8px 4px; }
  .hero__meta { font-size: 0.8rem; }
}

/* --- Desktop grande --- */
@media (min-width: 1400px) {
  :root { --container-max: 1280px; }
}

/* --------------------------------------------------------------------------
   15. PREFERENCIAS DEL SISTEMA
   -------------------------------------------------------------------------- */

/* Respeta a quien pide reducir el movimiento (WCAG 2.3.3) */
@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;
  }
  [data-animate] { opacity: 1; transform: none; }
  .btn:hover, .project-card:hover, .step:hover { transform: none; }
}

/* --- Impresión --- */
@media print {
  .site-header, .nav, .sticky-vote, .hero__bg, .btn { display: none !important; }
  body { color: #000; background: #fff; }
  .project-card { break-inside: avoid; border: 1px solid #999; }
  [data-animate] { opacity: 1; transform: none; }
}

.nowrap { white-space: nowrap; }