/* ==========================================================================
   Mente en Alerta - Sistema de Diseño Visual y Estilos Principales
   Identidad Oficial: Salud Mental | Tecnológico Universitario Argos
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Paleta Oficial extraída del Logotipo Mente en Alerta */
  --primary-teal: #003853;       /* Azul Tecla / Navy Profundo */
  --primary-teal-dark: #002336;  /* Fondo oscuro principal */
  --accent-mint: #26ba8c;         /* Verde Mente / Esmeralda */
  --accent-mint-hover: #1e9d75;   /* Hover verde */
  --accent-mint-light: #e8f7f2;   /* Fondo verde suave */
  
  /* Colores del Semáforo Psicosocial */
  --semaforo-verde: #26ba8c;
  --semaforo-amarillo: #f39c12;
  --semaforo-rojo: #e74c3c;
  
  /* Colores Neutros - Modo Claro */
  --bg-main: #f5f9fa;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-color: rgba(0, 56, 83, 0.12);
  --text-main: #1c2a38;
  --text-muted: #526475;
  --shadow-sm: 0 4px 12px rgba(0, 56, 83, 0.06);
  --shadow-md: 0 10px 30px rgba(0, 56, 83, 0.10);
  --shadow-lg: 0 20px 40px rgba(0, 56, 83, 0.15);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Tipografía */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Transición global */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modo Oscuro (Dark Theme) */
[data-theme="dark"] {
  --bg-main: #061521;
  --bg-card: #0a2233;
  --bg-glass: rgba(10, 34, 51, 0.88);
  --border-color: rgba(38, 186, 140, 0.2);
  --text-main: #e8f1f5;
  --text-muted: #95aab8;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
  --accent-mint-light: rgba(38, 186, 140, 0.12);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Encabezados */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary-teal);
  line-height: 1.25;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
  color: #ffffff;
}

p {
  color: var(--text-muted);
}

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

a:hover {
  color: var(--accent-mint-hover);
}

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

/* Contenedores globales */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--accent-mint-light);
  color: var(--accent-mint-hover);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
  border: 1px solid rgba(38, 186, 140, 0.25);
}

[data-theme="dark"] .section-badge {
  color: var(--accent-mint);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Botones principales */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-mint) 0%, #169873 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(38, 186, 140, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(38, 186, 140, 0.45);
  color: #ffffff;
}

.btn-secondary {
  background: var(--primary-teal);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(0, 56, 83, 0.25);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: var(--primary-teal-dark);
  color: #ffffff;
}

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

[data-theme="dark"] .btn-outline {
  border-color: var(--accent-mint);
  color: var(--accent-mint);
}

.btn-outline:hover {
  background: var(--accent-mint-light);
  transform: translateY(-2px);
}