@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 de colores derivada del logo */
    --color-bg: #0b0d12;
    --color-bg-secondary: #10141e;
    --color-card: rgba(16, 20, 30, 0.6);
    --color-card-border: rgba(30, 171, 227, 0.15);
    
    --color-logo-navy: #0a345e;
    --color-logo-blue: #007ac3;
    --color-logo-cyan: #1eabe3;
    --color-logo-gold: #898270;
    
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glow-shadow: 0 0 20px rgba(30, 171, 227, 0.2);
}

/* Reset general */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--color-logo-navy);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-logo-cyan);
}

/* Contenedores generales */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
    position: relative;
}

section:nth-child(even) {
    background-color: var(--color-bg-secondary);
}

/* Títulos y Subtítulos */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    position: relative;
}

.section-title span {
    background: linear-gradient(135deg, var(--color-logo-cyan), var(--color-logo-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

/* Header & Navbar Glassmorphic */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 13, 18, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

header.scrolled {
    background: rgba(11, 13, 18, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 45px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-logo-cyan);
    transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.cta-nav {
    background: linear-gradient(135deg, var(--color-logo-blue), var(--color-logo-cyan));
    color: var(--color-text-primary) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 50px;
    font-weight: 600 !important;
}

.cta-nav::after {
    display: none !important;
}

.cta-nav:hover {
    box-shadow: var(--glow-shadow);
    transform: translateY(-2px);
}

/* Menú móvil */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 140px; /* Espacio para las tarjetas superpuestas */
    background: radial-gradient(circle at 80% 20%, rgba(30, 171, 227, 0.08), transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(10, 52, 94, 0.15), transparent 50%);
    overflow: visible; /* Permitir que las tarjetas sobresalgan */
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: rgba(30, 171, 227, 0.1);
    border: 1px solid var(--color-card-border);
    color: var(--color-logo-cyan);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-title span {
    background: linear-gradient(135deg, var(--color-logo-cyan), var(--color-logo-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border-right: 2px solid var(--color-logo-cyan);
    padding-right: 4px;
    animation: blink-caret 0.75s step-end infinite;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-logo-blue), var(--color-logo-cyan));
    color: var(--color-text-primary);
    border: none;
}

.btn-primary:hover {
    box-shadow: var(--glow-shadow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-logo-cyan);
    transform: translateY(-2px);
}

/* Calificación / Social Proof */
.hero-rating {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.hero-rating .stars {
    color: #ffb800; /* Oro brillante */
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.hero-rating p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Contenedor e Imagen del Hero */
.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    height: 640px; /* Altura ampliada para la imagen de 580px */
}

/* Aura resplandeciente */
.hero-aura {
    position: absolute;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(30, 171, 227, 0.2) 0%, transparent 70%);
    filter: blur(50px);
    z-index: 1;
    pointer-events: none;
}

.hero-image-wrapper {
    width: 500px;
    height: 580px;
    border-radius: 24px;
    overflow: hidden;
    border: 2px solid var(--color-card-border);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), var(--glow-shadow);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    transform-style: preserve-3d;
    z-index: 2;
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover img {
    transform: scale(1.03);
}

/* Tarjetas Flotantes Dinámicas (Estilo Muestras) */
.hero-floating-card {
    position: absolute;
    background: rgba(16, 20, 30, 0.85);
    border: 1px solid var(--color-card-border);
    border-radius: 14px;
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 10;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.hfc-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hfc-text h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--color-logo-cyan);
    font-weight: 700;
    line-height: 1.1;
    margin: 0;
}

.hfc-text p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin: 0;
    font-weight: 500;
}

/* Posiciones de las tarjetas flotantes */
.card-top {
    top: 12%;
    left: -50px;
    animation: float-y 5s ease-in-out infinite alternate;
}

.card-mid {
    top: 48%;
    right: -60px;
    animation: float-y 6s ease-in-out infinite alternate-reverse;
    animation-delay: 0.5s;
}

.card-bot {
    bottom: 12%;
    left: -30px;
    animation: float-y 7s ease-in-out infinite alternate;
    animation-delay: 1s;
}

/* Tarjetas Superpuestas (Bottom Cards) */
.hero-bottom-container {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 50%);
    width: 100%;
    z-index: 30;
}

.hero-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.hero-feature-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    transition: var(--transition-smooth);
}

.hero-feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-logo-cyan);
    box-shadow: 0 20px 45px rgba(30, 171, 227, 0.15), var(--glow-shadow);
}

.hfeat-icon {
    font-size: 2.2rem;
    color: var(--color-logo-cyan);
    line-height: 1;
}

.hfeat-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.hfeat-content p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

.hfeat-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-logo-cyan);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-smooth);
}

.hfeat-link:hover {
    color: var(--color-text-primary);
    transform: translateX(5px);
}

@keyframes float-y {
    0% {
        transform: translateY(0px);
    }
    100% {
        transform: translateY(-15px);
    }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--color-logo-cyan); }
}

/* Acerca de Mí */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.about-text p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.philosophy-card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.philosophy-card:hover {
    border-color: var(--color-logo-cyan);
    transform: translateX(10px);
    box-shadow: 0 4px 20px rgba(30, 171, 227, 0.1);
}

.philosophy-icon {
    font-size: 1.8rem;
    color: var(--color-logo-cyan);
}

.philosophy-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
}

.philosophy-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin: 0;
}

/* Habilidades y Tecnologías */
.skills-filter-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-secondary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.filter-btn.active, .filter-btn:hover {
    background: linear-gradient(135deg, var(--color-logo-blue), var(--color-logo-cyan));
    color: var(--color-text-primary);
    border-color: transparent;
    box-shadow: var(--glow-shadow);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.skill-card:hover {
    border-color: var(--color-logo-cyan);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(30, 171, 227, 0.1);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.skill-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.skill-level-badge {
    background: rgba(137, 130, 112, 0.15);
    border: 1px solid var(--color-logo-gold);
    color: #e5e7eb;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.skill-bar-container {
    background: rgba(255, 255, 255, 0.08);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.8rem;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-logo-blue), var(--color-logo-cyan));
    border-radius: 3px;
    width: 0;
    transition: width 1s ease-in-out;
}

.skill-evidence {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Servicios */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    border-color: var(--color-logo-cyan);
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(30, 171, 227, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--color-logo-cyan);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.service-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-secondary);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* Cursos Corporativos */
.courses-container {
    max-width: 800px;
    margin: 0 auto;
}

.courses-search-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.courses-search-input {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.9rem 1.5rem;
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.courses-search-input:focus {
    outline: none;
    border-color: var(--color-logo-cyan);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 15px rgba(30, 171, 227, 0.1);
}

.accordion-item {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.accordion-item:hover {
    border-color: var(--color-logo-cyan);
}

.accordion-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.accordion-header-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.course-code {
    font-family: var(--font-heading);
    color: var(--color-logo-cyan);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 600;
}

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

.course-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.course-badge {
    background: rgba(137, 130, 112, 0.1);
    border: 1px solid rgba(137, 130, 112, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.accordion-icon {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
    color: var(--color-logo-cyan);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
    background: rgba(0, 0, 0, 0.15);
    border-top: 0px solid transparent;
}

.accordion-item.active .accordion-content {
    max-height: 1000px; /* valor seguro */
    transition: max-height 0.4s ease-in-out;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.accordion-content-inner {
    padding: 2rem;
}

.course-desc-full {
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.course-syllabus-title {
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--color-text-primary);
    border-left: 3px solid var(--color-logo-cyan);
    padding-left: 0.75rem;
}

.course-syllabus-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.course-syllabus-list li {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-syllabus-list li::before {
    content: "✓";
    color: var(--color-logo-cyan);
    font-weight: bold;
}

.course-audience-info {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* Portafolio y Métricas */
.metrics-section {
    background: radial-gradient(circle at 50% 50%, var(--color-logo-navy), var(--color-bg));
    border-top: 1px solid var(--color-card-border);
    border-bottom: 1px solid var(--color-card-border);
    padding: 6rem 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.metric-card {
    background: rgba(16, 20, 30, 0.7);
    border: 1px solid var(--color-card-border);
    padding: 2.5rem 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.metric-number {
    font-size: 3.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--color-logo-cyan);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 6rem;
}

.portfolio-card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    padding: 3rem;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.portfolio-card:hover {
    border-color: var(--color-logo-cyan);
    transform: translateY(-5px);
}

.portfolio-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(137, 130, 112, 0.1);
    border: 1px solid var(--color-logo-gold);
    color: #e5e7eb;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.portfolio-title {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.portfolio-desc {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.portfolio-list {
    list-style: none;
}

.portfolio-list li {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-secondary);
    display: flex;
    gap: 0.8rem;
}

.portfolio-list li::before {
    content: "⚡";
    color: var(--color-logo-cyan);
}

/* Blog previews */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-smooth);
}

.blog-card:hover {
    border-color: var(--color-logo-cyan);
    transform: translateY(-5px);
}

.blog-card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-category {
    font-family: var(--font-heading);
    color: var(--color-logo-cyan);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.8rem;
}

.blog-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.blog-readmore {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.blog-readmore:hover {
    color: var(--color-logo-cyan);
}

/* Contacto */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-info-card {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.contact-info-icon {
    font-size: 1.8rem;
    color: var(--color-logo-cyan);
}

.contact-info-details h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-info-details p {
    color: var(--color-text-secondary);
    margin: 0;
}

.contact-info-details a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-info-details a:hover {
    color: var(--color-logo-cyan);
}

.contact-form {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    padding: 3rem;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.form-input, .form-textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.8rem 1.2rem;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-logo-cyan);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 15px rgba(30, 171, 227, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: none;
    font-size: 0.95rem;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    display: block;
}

/* Footer */
footer {
    background-color: #080a0e;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin: 0 auto 2rem auto;
    opacity: 0.8;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin-bottom: 2rem;
}

.footer-nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-nav a:hover {
    color: var(--color-logo-cyan);
}

/* Responsividad */
@media (max-width: 1024px) {
    .hero-grid, .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image-container {
        order: -1;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 70px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(11, 13, 18, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition-smooth);
    }
    
    .nav-links.open {
        left: 0;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .course-syllabus-list {
        grid-template-columns: 1fr;
    }
    
    .accordion-header-right {
        display: none;
    }
}

@media (max-width: 992px) {
    .hero {
        padding-bottom: 6rem;
    }
    
    .hero-grid {
        margin-bottom: 2rem;
    }
    
    .hero-bottom-container {
        position: relative;
        transform: none;
        left: auto;
        bottom: auto;
        margin-top: 2rem;
    }
    
    .hero-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .hero-image-container {
        height: auto;
        padding: 2rem 0;
    }
    
    .hero-image-wrapper {
        width: 300px;
        height: 380px;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--glow-shadow);
    }
    
    .hero-aura {
        width: 300px;
        height: 300px;
    }
    
    .card-top {
        left: -10px;
        top: 5%;
    }
    
    .card-mid {
        right: -15px;
        top: 45%;
    }
    
    .card-bot {
        left: 0px;
        bottom: 5%;
    }
}

/* ==========================================================================
   PAGE BUILDER: VARIACIONES DE DISEÑO (LAYOUTS) Y ESTILOS
   ========================================================================== */

/* Regla general para permitir overlays de fondo */
section {
    position: relative;
    overflow: hidden;
}

section > .container {
    position: relative;
    z-index: 2;
}

/* Background Overlay para imágenes de fondo */
.block-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    transition: var(--transition-smooth);
}

/* --- HERO VARIATIONS --- */

/* Hero Centrado */
.hero.layout-2 .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
}
.hero.layout-2 .hero-image-container {
    display: none;
}
.hero.layout-2 .hero-buttons,
.hero.layout-2 .hero-rating {
    justify-content: center;
}
.hero.layout-2 .hero-desc {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Invertido (Foto Izquierda, Texto Derecha) */
.hero.layout-3 .hero-grid {
    grid-template-columns: 0.9fr 1.1fr;
}
.hero.layout-3 .hero-content {
    grid-column: 2;
    grid-row: 1;
}
.hero.layout-3 .hero-image-container {
    grid-column: 1;
    grid-row: 1;
}

/* --- FEATURES VARIATIONS --- */

/* Features en Formato Lista Vertical */
.features-block-section.layout-2 {
    margin-top: 0;
    padding-top: 4rem;
}
.features-block-section.layout-2 .hero-features-grid {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
}
.features-block-section.layout-2 .hero-feature-card {
    align-items: center;
}

/* Features Split (Título a la izquierda, grid a la derecha) */
.features-block-section.layout-3 {
    margin-top: 0;
    padding-top: 4rem;
}
.features-block-section.layout-3 .container {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 3rem;
    align-items: center;
}
.features-block-section.layout-3 .hero-features-grid {
    grid-template-columns: 1fr;
}
.features-block-section.layout-3 .features-title-col {
    display: block;
}
.features-block-section.layout-3 .features-title-col h2 {
    font-size: 2.2rem;
    border-left: 4px solid var(--color-logo-cyan);
    padding-left: 1rem;
}

/* --- ABOUT VARIATIONS --- */

/* About Invertido */
.about-section-wrapper.layout-3 .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.about-section-wrapper.layout-3 .about-text {
    order: 2;
}
.about-section-wrapper.layout-3 .philosophy-grid {
    order: 1;
}

/* About Centrado */
.about-section-wrapper.layout-2 .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
}
.about-section-wrapper.layout-2 .philosophy-grid {
    grid-template-columns: repeat(3, 1fr);
    text-align: left;
    margin-top: 2rem;
}

/* --- CONTENT VARIATIONS --- */

/* Content Split 2 Columnas */
.content-section-wrapper.layout-2 .content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

/* Content Encapsulado en Tarjeta Glassmorphism */
.content-section-wrapper.layout-3 .container {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    border-radius: 20px;
    padding: 4rem 3rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--glow-shadow);
    backdrop-filter: blur(10px);
}

/* --- CONTACT VARIATIONS --- */

/* Contact Centrado */
.contact-section-wrapper.layout-2 .contact-grid {
    grid-template-columns: 1fr;
    max-width: 650px;
    margin: 0 auto;
}
.contact-section-wrapper.layout-2 .contact-info-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Contact Invertido (Formulario Izquierda, Info Derecha) */
.contact-section-wrapper.layout-3 .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
}
.contact-section-wrapper.layout-3 .contact-form-container {
    grid-column: 1;
    grid-row: 1;
}
.contact-section-wrapper.layout-3 .contact-info-container {
    grid-column: 2;
    grid-row: 1;
}

/* Ajustes responsivos para layouts alternativos */
@media (max-width: 992px) {
    .hero.layout-3 .hero-grid {
        grid-template-columns: 1fr;
    }
    .hero.layout-3 .hero-content {
        grid-column: auto;
        grid-row: auto;
    }
    .hero.layout-3 .hero-image-container {
        grid-column: auto;
        grid-row: auto;
        order: -1;
    }
    .features-block-section.layout-3 .container {
        grid-template-columns: 1fr;
    }
    .about-section-wrapper.layout-3 .about-grid {
        grid-template-columns: 1fr;
    }
    .about-section-wrapper.layout-3 .about-text {
        order: auto;
    }
    .about-section-wrapper.layout-3 .philosophy-grid {
        order: auto;
    }
    .about-section-wrapper.layout-2 .philosophy-grid {
        grid-template-columns: 1fr;
    }
    .content-section-wrapper.layout-2 .content-grid {
        grid-template-columns: 1fr;
    }
    .contact-section-wrapper.layout-2 .contact-info-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .contact-section-wrapper.layout-3 .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-section-wrapper.layout-3 .contact-form-container {
        grid-column: auto;
        grid-row: auto;
    }
    .contact-section-wrapper.layout-3 .contact-info-container {
        grid-column: auto;
        grid-row: auto;
    }
}