:root {
    --primary: #6A0572;        /* Morado */
    --secondary: #F74436;       /* Rojo */
    --accent: #F08E03;          /* Naranja */
    --dark-bg: #1E1E2F;         /* Azul oscuro */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    
    /* Variables adicionales para efectos avanzados */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-accent: linear-gradient(135deg, var(--secondary), var(--accent));
    --gradient-dark: linear-gradient(135deg, var(--dark-bg), rgba(106, 5, 114, 0.8));
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glow-primary: 0 0 30px rgba(106, 5, 114, 0.4);
    --glow-secondary: 0 0 30px rgba(247, 68, 54, 0.4);
    --glow-accent: 0 0 30px rgba(240, 142, 3, 0.4);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    background: var(--dark-bg);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-accent);
}

/* Fondo animado con partículas */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(106, 5, 114, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(247, 68, 54, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(240, 142, 3, 0.1) 0%, transparent 50%);
    z-index: -2;
    animation: particleFloat 15s ease-in-out infinite alternate;
}

@keyframes particleFloat {
    0% { transform: translateX(0) translateY(0) rotate(0deg); }
    100% { transform: translateX(50px) translateY(-30px) rotate(180deg); }
}

/* Contenedor principal */
.main-content {
    position: relative;
    z-index: 1;
}

/* ================================
   HERO SECTION - ULTRA MODERNO
   ================================ */
.hero {
    min-height: 100vh;
    background: var(--gradient-dark);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 2rem;
}

/* Efectos de fondo geométricos */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        conic-gradient(from 0deg at 30% 30%, transparent 0deg, rgba(255,255,255,0.05) 60deg, transparent 120deg),
        conic-gradient(from 180deg at 70% 70%, transparent 0deg, rgba(255,255,255,0.03) 90deg, transparent 180deg);
    animation: rotateBackground 30s linear infinite;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='1.5'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: backgroundDrift 20s ease-in-out infinite;
    z-index: 2;
}

@keyframes rotateBackground {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

@keyframes backgroundDrift {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(20px) translateY(-20px); }
    50% { transform: translateX(-15px) translateY(15px); }
    75% { transform: translateX(10px) translateY(-10px); }
}

/* Logo de fondo mejorado */
.hero-background-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    opacity: 0.06;
    animation: logoFloat 25s ease-in-out infinite;
}

.hero-background-logo img {
    width: 500px;
    height: 500px;
    object-fit: contain;
    filter: grayscale(100%) brightness(1.5) contrast(1.2);
}

@keyframes logoFloat {
    0% {
        transform: translate(-50%, -50%) rotate(0deg) scale(1);
        opacity: 0.04;
    }
    25% {
        transform: translate(-50%, -45%) rotate(90deg) scale(1.05);
        opacity: 0.08;
    }
    50% {
        transform: translate(-50%, -50%) rotate(180deg) scale(1.1);
        opacity: 0.06;
    }
    75% {
        transform: translate(-50%, -55%) rotate(270deg) scale(1.05);
        opacity: 0.08;
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg) scale(1);
        opacity: 0.04;
    }
}

/* Contenido del hero */
.hero-content {
    max-width: 1000px;
    text-align: center;
    position: relative;
    z-index: 10;
    padding: 3rem;
    transform: translateY(30px);
    opacity: 0;
    animation: heroReveal 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
}

@keyframes heroReveal {
    0% {
        transform: translateY(30px) scale(0.95);
        opacity: 0;
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 900;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--white), var(--accent), var(--white));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 4s ease-in-out infinite;
    text-shadow: 0 0 50px rgba(255, 255, 255, 0.3);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #e9ecef;
    animation: fadeInUp 1s ease 1.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.9;
        transform: translateY(0);
    }
}

/* ================================
   BOTONES ULTRA MODERNOS
   ================================ */
.btn {
    display: inline-block;
    padding: 1.25rem 2.5rem;
    background: var(--glass-bg);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow);
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--glow-primary), var(--shadow-hover);
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.15);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
}

.cta-button {
    background: var(--gradient-primary);
    border: none;
    animation: ctaPulse 3s ease-in-out infinite;
}

.cta-button:hover {
    background: var(--gradient-accent);
    box-shadow: var(--glow-secondary), var(--shadow-hover);
}

@keyframes ctaPulse {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(106, 5, 114, 0.6);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 0 15px rgba(106, 5, 114, 0);
        transform: scale(1.02);
    }
}

/* ================================
   SECCIÓN ACERCA DE - MEJORADA
   ================================ */
.about {
    padding: 8rem 2rem;
    background: linear-gradient(135deg, var(--light-gray) 0%, #e9ecef 100%);
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    animation: shimmerLine 3s ease-in-out infinite;
}

@keyframes shimmerLine {
    0% { transform: translateX(-100%) scaleX(0.5); }
    50% { transform: translateX(0) scaleX(1); }
    100% { transform: translateX(100%) scaleX(0.5); }
}

.about.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    color: var(--primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 6px;
    background: var(--gradient-accent);
    border-radius: 3px;
    transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.about.visible h2::after {
    width: 120px;
}

.about p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 2rem;
    font-weight: 400;
}

/* ================================
   POR QUÉ ELEGIRNOS - PREMIUM
   ================================ */
.why-choose-us {
    padding: 8rem 2rem;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(106, 5, 114, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(247, 68, 54, 0.1) 0%, transparent 50%);
    animation: backgroundPulse 12s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.why-choose-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.why-choose-content h2 {
    text-align: center;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--white), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 5rem;
    color: #e9ecef;
    opacity: 0.8;
    font-weight: 400;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-item {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition);
    transform: translateY(20px);
    opacity: 0;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-item.visible {
    transform: translateY(0);
    opacity: 1;
}

.feature-item:hover {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: var(--glow-primary), var(--shadow-hover);
}

.feature-item:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--glow-secondary);
}

.feature-item h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--white);
}

.feature-item p {
    opacity: 0.9;
    line-height: 1.7;
    color: var(--white);
    font-weight: 400;
}

/* ================================
   CURSOS - DISEÑO PREMIUM
   ================================ */
.courses {
    padding: 8rem 2rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    position: relative;
}

.courses h2 {
    text-align: center;
    color: var(--primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 5rem;
    font-weight: 800;
    position: relative;
}

.course-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.course-item {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px) rotateX(5deg);
    position: relative;
    border: 2px solid transparent;
}

.course-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    border-radius: 20px;
}

.course-item.visible {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
}

.course-item:hover {
    transform: translateY(-15px) rotateY(2deg) rotateX(2deg);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.course-item:hover::before {
    opacity: 0.03;
}

.course-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.course-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.1) saturate(1.1);
}

.course-item h3 {
    color: var(--primary);
    padding: 2rem 2rem 1rem;
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
}

.course-item p {
    padding: 0 2rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-weight: 400;
}

.course-item .btn {
    margin: 0 2rem 2rem;
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    font-size: 0.9rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
}

.course-item .btn:hover {
    background: var(--gradient-accent);
    transform: translateY(-2px) scale(1.03);
}

/* ================================
   ÚLTIMAS NOTICIAS - MODERNO
   ================================ */
.latest-news {
    padding: 8rem 2rem;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.latest-news::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle, rgba(106, 5, 114, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 70% 30%, rgba(247, 68, 54, 0.05) 1px, transparent 1px);
    background-size: 40px 40px, 60px 60px;
    animation: dotMove 20s linear infinite;
}

@keyframes dotMove {
    0% { transform: translateX(0) translateY(0) rotate(0deg); }
    100% { transform: translateX(40px) translateY(40px) rotate(360deg); }
}

.news-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.news-content h2 {
    text-align: center;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--white), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.news-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 3rem;
    position: relative;
    transition: var(--transition);
}

.news-article:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-primary);
}

.article-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-article:hover .article-image img {
    transform: scale(1.03);
}

.article-content h3 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    font-weight: 800;
    color: var(--white);
}

.article-subtitle {
    color: var(--accent);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.article-description {
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
    color: var(--white);
    font-weight: 400;
}

.article-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

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

.btn-secondary:hover {
    background: var(--accent);
    color: var(--white);
    box-shadow: var(--glow-accent);
}

/* ================================
   RESPONSIVE DESIGN MEJORADO
   ================================ */
@media (max-width: 768px) {
    .hero {
        padding: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-content {
        padding: 2rem 1rem;
    }
    
    .hero-background-logo img {
        width: 300px;
        height: 300px;
    }
    
    .course-list {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .news-article {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .article-buttons {
        justify-content: center;
    }
    
    .about, .why-choose-us, .courses, .latest-news {
        padding: 5rem 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 1rem 2rem;
        font-size: 0.9rem;
    }
    
    .feature-item, .course-item {
        padding: 2rem 1.5rem;
    }
}

/* ================================
   ANIMACIONES ADICIONALES
   ================================ */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Utilidades */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}