/*
Theme Name:   BlairCode Alpha
Theme URI:    https://blaircode.com/
Author:       Mauricio Blair
Author URI:   https://blaircode.com/
Description:  Tema personalizado, moderno y de alto rendimiento para BlairCode. Diseñado para reflejar una identidad profesional y tecnológicamente avanzada. Construido desde cero para velocidad, seguridad y una experiencia de usuario única.
Version:      7.0.0
License:      GNU General Public License v2 or later
License URI:  http://www.gnu.org/licenses/gpl-2.0.html
Tags:         custom-theme, block-editor-styles, accessibility-ready, responsive-layout, clean-design
Text Domain:  blaircode-alpha
*/

/* --------------------------------------------------------------------------------
  1. Variables de Branding
-------------------------------------------------------------------------------- */
:root {
  --color-azul-profundo: #0A1A2F;
  --color-azul-secundario: #1a2f4a;
  --color-rojo-oscuro: #8B1E3F;
  --color-rojo-intenso: #C62828;
  --color-naranja-carmesi: #E65100;
  --color-blanco-puro: #FFFFFF;
  --color-gris-claro: #f8f9fa;
  --color-gris-medio: #e9ecef;
  --color-texto-suave: #34495e;
  --font-principal: 'Space Grotesk', sans-serif;
  --font-secundaria: 'Inter', 'IBM Plex Sans', sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2.5rem;
  --font-size-hero: 4rem;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 100px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-base: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.2);
}

/* --------------------------------------------------------------------------------
  2. Estilos Base y Reseteo
-------------------------------------------------------------------------------- */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-secundaria);
  font-size: var(--font-size-md);
  color: var(--color-texto-suave);
  background-color: var(--color-blanco-puro);
  margin: 0;
  padding: 0;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
*, *::before, *::after {
    box-sizing: border-box;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-principal);
  color: var(--color-azul-profundo);
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  font-weight: 700;
}
h1 { font-size: var(--font-size-hero); }
h2 { font-size: var(--font-size-xxl); }
h3 { font-size: var(--font-size-xl); }
a { color: var(--color-rojo-intenso); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--color-naranja-carmesi); }
.container { max-width: 1140px; margin-left: auto; margin-right: auto; padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.responsive-img { max-width: 100%; height: auto; border-radius: var(--radius-md); display: block; }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-sm { box-shadow: var(--shadow-base); }

/* --------------------------------------------------------------------------------
  3. Header y Navegación
-------------------------------------------------------------------------------- */
.header { 
    padding: var(--spacing-md) 0; 
    background: linear-gradient(180deg, rgba(10,26,47,1) 0%, rgba(10,26,47,0.8) 100%); /* DEGRADADO */
    position: absolute;
    width: 100%;
    z-index: 100;
}
.header .container { 
    display: flex; 
    justify-content: flex-start;
    align-items: center; 
}
.site-branding .site-title a { 
    color: var(--color-blanco-puro); 
    text-decoration: none; 
    font-size: var(--font-size-xl);
}
.site-branding p { 
    margin: 0; 
}

/* --------------------------------------------------------------------------------
  4. Estilos de Página de Inicio
-------------------------------------------------------------------------------- */
.section-padding { padding-top: var(--spacing-section); padding-bottom: var(--spacing-section); }
.brand-bg { 
    background-color: var(--color-azul-profundo); 
    color: var(--color-blanco-puro); 
}
.brand-bg h1, .brand-bg h2, .brand-bg h3, .brand-bg h4 { color: var(--color-blanco-puro); }
.text-center { text-align: center; }
.section-title { margin-bottom: var(--spacing-md); }
.section-subtitle { font-size: var(--font-size-lg); max-width: 800px; margin-left: auto; margin-right: auto; margin-bottom: var(--spacing-xxl); color: #555; }
.brand-bg .section-subtitle { color: rgba(255, 255, 255, 0.85); }
.image-wrapper { margin: var(--spacing-xxl) auto; max-width: 900px; transition: transform 0.3s ease-in-out; }
.image-wrapper:hover { transform: scale(1.03); }

/* --- HERO --- */
.hero-section { 
    padding: 180px 0 140px 0; /* Más padding arriba para el header */
    display: flex; 
    align-items: center; 
    justify-content: center; 
    background: radial-gradient(circle, rgba(40,20,30,1) 0%, var(--color-azul-profundo) 70%);
}
.hero-content { max-width: 900px; }
.hero-title { margin-bottom: var(--spacing-lg); }
.hero-subtitle { font-size: var(--font-size-lg); margin-bottom: var(--spacing-xl); color: rgba(255, 255, 255, 0.8); }

/* --- PROBLEM SECTION --- */
.frustrations-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); margin-top: var(--spacing-xxl); }
.frustration-item { background-color: var(--color-gris-claro); padding: var(--spacing-xl); border-radius: var(--radius-lg); text-align: left; }
.frustration-icon svg { color: var(--color-rojo-intenso); margin-bottom: var(--spacing-md); }
.problem-conclusion { margin-top: var(--spacing-xxl); font-size: var(--font-size-lg); font-weight: 700; }

/* --- JOURNEY SECTION (TIMELINE) - CORREGIDO --- */
.timeline { position: relative; max-width: 1400px; margin: var(--spacing-xxl) auto; }
.timeline::after { content: ''; position: absolute; width: 4px; background-color: var(--color-rojo-oscuro); top: 0; bottom: 0; left: 50%; margin-left: -2px; border-radius: 2px; }
.timeline-item { padding: 0; position: relative; width: 50%; }
.timeline-item:nth-child(odd) { left: 0; padding-right: 150px; /* ESPACIADO DE 150PX PARA EL TEXTO */ }
.timeline-item:nth-child(even) { left: 50%; padding-left: 150px; /* ESPACIADO DE 150PX PARA EL TEXTO */ }
.timeline-icon { 
    position: absolute; 
    width: 50px; 
    height: 50px; 
    background-color: var(--color-rojo-intenso); 
    top: 32px; 
    border-radius: 50%; 
    z-index: 1; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    border: 4px solid var(--color-azul-profundo); 
}
/* AJUSTE CLAVE PARA LA POSICIÓN DEL ICONO */
.timeline-item:nth-child(odd) .timeline-icon { 
    right: 120px; /* 120px de padding desde la línea */
}
.timeline-item:nth-child(even) .timeline-icon { 
    left: 120px; /* 120px de padding desde la línea */
}
.timeline-icon svg { color: var(--color-blanco-puro); }
.timeline-content { margin-bottom: var(--spacing-xxl); padding: var(--spacing-lg); background-color: var(--color-azul-secundario); border-radius: var(--radius-lg); position: relative; }
.timeline-lesson { margin-top: var(--spacing-lg); padding-top: var(--spacing-md); border-top: 1px solid rgba(255,255,255,0.2); display: flex; align-items: flex-start; gap: var(--spacing-md); }
.timeline-lesson p { margin: 0; }
.lesson-icon { color: var(--color-naranja-carmesi); flex-shrink: 0; }
.journey-conclusion { margin-top: var(--spacing-xxl); font-size: var(--font-size-lg); }

/* --- SOLUTION SECTION --- */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); margin-top: var(--spacing-xxl); text-align: left; }
.process-step { background-color: var(--color-gris-claro); padding: var(--spacing-xl); border-radius: var(--radius-lg); }
.process-step h3 { margin-top: var(--spacing-lg); }

/* --- PORTFOLIO (CONCEPTUAL CASE STUDY) - CORREGIDO --- */
.case-study-conceptual { background: var(--color-gris-claro); border-radius: var(--radius-lg); padding: var(--spacing-xxl); }
.case-study-header { border-bottom: 2px solid var(--color-gris-medio); padding-bottom: var(--spacing-lg); margin-bottom: var(--spacing-lg); text-align: center; }
.case-study-body { display: flex; flex-wrap: wrap; gap: var(--spacing-xl); text-align: left; align-items: flex-start; }
.case-study-column { flex: 1; min-width: 300px; }
.results-grid { display: grid; grid-template-columns: 1fr; gap: var(--spacing-lg); margin-top: var(--spacing-lg); }
.result-item { background-color: var(--color-blanco-puro); padding: var(--spacing-lg); border-radius: var(--radius-md); box-shadow: var(--shadow-base); }
.result-metric { font-size: var(--font-size-xxl); font-family: var(--font-principal); color: var(--color-rojo-intenso); line-height: 1; text-align: center; display: block; margin-bottom: var(--spacing-md); }
.result-item p { margin: 0; text-align: left; }
.case-study-full-width-image { flex-basis: 100%; margin-top: var(--spacing-xxl); }
.conceptual-applications { margin-top: var(--spacing-section); }
.applications-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); margin-top: var(--spacing-xxl); }
.application-item { 
    background: var(--color-blanco-puro); 
    padding: var(--spacing-lg); 
    border-radius: var(--radius-md); 
    text-align: left; 
    border: 1px solid var(--color-gris-medio);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -2px rgba(0,0,0,0.05); /* SOMBRA 3D */
    transition: all 0.3s ease-in-out;
}
.application-item:hover {
    transform: scale(1.05) translateY(-5px);
    background-color: var(--color-rojo-intenso);
    color: var(--color-blanco-puro);
    box-shadow: var(--shadow-lg);
}
.application-item:hover h4 {
    color: var(--color-blanco-puro);
}

/* --- TESTIMONIALS --- */
.testimonial-wrapper { max-width: 800px; margin: var(--spacing-xxl) auto 0; }
.testimonial-quote p { font-size: var(--font-size-xl); font-style: italic; line-height: 1.6; position: relative; padding: 0 var(--spacing-xxl); }
.testimonial-quote p::before, .testimonial-quote p::after { content: '“'; font-family: serif; font-size: 5rem; color: var(--color-rojo-oscuro); position: absolute; opacity: 0.5; }
.testimonial-quote p::before { top: -20px; left: -10px; }
.testimonial-quote p::after { content: '”'; bottom: -40px; right: -10px; }
.testimonial-author { margin-top: var(--spacing-lg); }

/* --- SERVICES --- */
.services-section { background-color: var(--color-gris-claro); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); }
.card { background: var(--color-blanco-puro); border-radius: var(--radius-lg); box-shadow: var(--shadow-base); padding: var(--spacing-xl); display: flex; flex-direction: column; transition: all 0.3s ease-in-out; text-align: left; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.card-icon svg { color: var(--color-rojo-intenso); width: 48px; height: 48px; margin-bottom: var(--spacing-lg); }

/* --- FOUNDERS SECTION --- */
.founders-section { background-color: var(--color-gris-claro); }

/* --- FAQ SECTION --- */
.faq-accordion { max-width: 800px; margin: var(--spacing-xxl) auto 0; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.2); }
.faq-question { cursor: pointer; padding: var(--spacing-lg) 0; position: relative; display: flex; justify-content: space-between; align-items: center; text-align: left; }
.faq-question::after { content: '+'; font-size: var(--font-size-xl); transition: transform 0.3s ease; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.5s ease-in-out; text-align: left; }
.faq-answer p { padding: var(--spacing-lg) 0; margin: 0; border-top: 1px solid rgba(255,255,255,0.1); }

/* --- CONTACT --- */
.contact-section { background-color: var(--color-gris-claro); }
.contact-form-wrapper { max-width: 600px; margin: var(--spacing-xl) auto 0; }
.form-placeholder { background-color: var(--color-blanco-puro); border: 2px dashed var(--color-gris-medio); padding: var(--spacing-section); border-radius: var(--radius-md); }

/* --------------------------------------------------------------------------------
  5. ESTILOS DE ELEMENTOS INTERACTIVOS
-------------------------------------------------------------------------------- */
.button { display: inline-block; font-family: var(--font-principal); font-weight: 700; padding: 16px var(--spacing-xl); border: 2px solid transparent; border-radius: var(--radius-md); cursor: pointer; text-decoration: none; transition: all 0.3s ease-in-out; }
.button:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); text-decoration: none; }
.button-primary { background-color: var(--color-rojo-intenso); color: var(--color-blanco-puro); }
.button-primary:hover { background-color: var(--color-rojo-oscuro); color: var(--color-blanco-puro); }
.button-secondary { background-color: transparent; color: var(--color-rojo-oscuro); border-color: var(--color-rojo-oscuro); }
.button-secondary:hover { background-color: var(--color-rojo-oscuro); color: var(--color-blanco-puro); }
.button-lg { font-size: var(--font-size-lg); }
.back-to-top-button { position: fixed; bottom: 30px; right: 30px; background-color: var(--color-rojo-intenso); color: var(--color-blanco-puro); width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: none; z-index: 1000; opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.4s ease-in-out; }
.back-to-top-button.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top-button:hover { background-color: var(--color-rojo-oscuro); transform: scale(1.1); color: var(--color-blanco-puro); }

/* --------------------------------------------------------------------------------
  6. ESTILOS RESPONSIVOS - RECONSTRUIDOS
-------------------------------------------------------------------------------- */

/* --- TABLETS Y PANTALLAS MEDIANAS --- */
@media (max-width: 992px) {
  :root { --font-size-xxl: 2rem; --font-size-hero: 3rem; }
  .frustrations-grid, .applications-grid { grid-template-columns: 1fr 1fr; }
  .process-grid, .services-grid { grid-template-columns: 1fr; }
  
  /* --- TIMELINE RESPONSIVE (TABLET) - SOLUCIÓN DEFINITIVA --- */
  .timeline::after { display: none; } /* OCULTAMOS LA LÍNEA CENTRAL */
  .timeline-item { width: 100%; padding: 0 0 var(--spacing-xxl) 0; left: 0 !important; }
  .timeline-icon { display: none; } /* OCULTAMOS LOS ICONOS */
  .timeline-item .timeline-content::before { display: none; } /* OCULTAMOS LAS FLECHAS */
  .timeline-content { text-align: center; }
  .timeline-lesson { justify-content: center; text-align: left; }
}

/* --- MÓVILES GRANDES Y TABLETS EN VERTICAL --- */
@media (max-width: 768px) {
  :root { --font-size-xl: 1.25rem; --font-size-xxl: 1.75rem; --font-size-hero: 2.5rem; }
  .section-padding { padding-top: 80px; padding-bottom: 80px; }
  .frustrations-grid, .applications-grid { grid-template-columns: 1fr; }
  .case-study-body { flex-direction: column; }
}

/* --- MÓVILES PEQUEÑOS --- */
@media (max-width: 480px) {
  .container { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
  .hero-title { font-size: 2rem; }
}