/*
Theme Name: Líderes TI
Theme URI: https://lideresti.com
Author: Líderes TI
Author URI: https://lideresti.com
Description: Tema editorial para portal de noticias de tecnología. Cubre transformación digital, innovación, IA, ciberseguridad y tendencias.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: lideres-ti
Tags: news, editorial, technology, responsive, custom-menu, custom-logo, featured-images
*/

/* ==========================================================================
   Variables CSS — Paleta v2
   ========================================================================== */

:root {
  /* Colores principales */
  --color-primary: #1A1A2E;
  --color-accent: #4361EE;
  --color-secondary: #F72585;
  --color-bg: #FAFAFA;
  --color-white: #FFFFFF;
  --color-dark: #1A1A2E;
  --color-gray-dark: #2D2D3F;
  --color-gray-medium: #6B7280;
  --color-gray-light: #F0F1F5;
  --color-border: #E5E7EB;

  /* Colores de categoría */
  --color-cat-ia: #4361EE;
  --color-cat-innovacion: #06D6A0;
  --color-cat-ciber: #F72585;
  --color-cat-tendencias: #7209B7;
  --color-cat-firmas: #FF9F1C;
  --color-cat-transformacion: #1A1A2E;
  --color-cat-mesa: #E84E1B;
  --color-cat-infografia: #4361EE;
  --color-cat-casos: #06D6A0;

  /* Tipografía — DM Serif Display + Inter */
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Espaciado */
  --container-max: 1240px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 20px;
  --radius-full: 50px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(26,26,46,0.06);
  --shadow-md: 0 4px 16px rgba(26,26,46,0.08);
  --shadow-lg: 0 12px 32px rgba(26,26,46,0.12);
  --shadow-card: 0 2px 8px rgba(26,26,46,0.06);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

/* ==========================================================================
   Reset y Base
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-dark);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.1rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

/* ==========================================================================
   Utilidades
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: var(--color-gray-light);
  clip: auto !important;
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

/* ==========================================================================
   Badge de categoría
   ========================================================================== */

.category-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--color-white);
  background-color: var(--color-accent);
  line-height: 1.4;
  transition: opacity var(--transition-fast);
}

.category-badge:hover { opacity: 0.85; color: var(--color-white); }

.category-badge--ia { background-color: var(--color-cat-ia); }
.category-badge--innovacion { background-color: var(--color-cat-innovacion); }
.category-badge--ciberseguridad { background-color: var(--color-cat-ciber); }
.category-badge--tendencias { background-color: var(--color-cat-tendencias); }
.category-badge--firmas { background-color: var(--color-cat-firmas); color: var(--color-dark); }
.category-badge--transformacion { background-color: var(--color-cat-transformacion); }
.category-badge--mesa-de-lideres { background-color: var(--color-cat-mesa); }
.category-badge--infografia { background-color: var(--color-cat-infografia); }
.category-badge--casos-de-exito { background-color: var(--color-cat-casos); }

/* ==========================================================================
   Botones
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: #3451DE;
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(67,97,238,0.4);
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn--secondary:hover {
  background-color: #D91A70;
  box-shadow: 0 4px 12px rgba(247,37,133,0.4);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-dark);
}

.btn--white:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}