:root {
    --color-primary: #2E3E62;
    --color-accent: #C890FF;
    --color-secondary: #88daff;
    --color-success: #c2ff86;
    --color-success-dark: #a6e865;
    --color-white: #FFFFFF;
    --color-bg-light: #F8FAFC;
    --color-text-muted: #64748B;
    
    --font-heading: 'Dosis', sans-serif;
    --font-body: 'Quicksand', sans-serif;
    
    --transition: all 0.3s ease;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(46, 62, 98, 0.15);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-primary);
    background-color: var(--color-bg-light);
    line-height: 1.6;
}

body.no-scroll {
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Header & Nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

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

.logo-brand {
    display: flex;
    align-items: center;
}

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

.main-nav {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.main-nav.active {
    left: 0;
}

.nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-inscribirme {
    background-color: var(--color-success);
    color: var(--color-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 1rem;
    transition: var(--transition);
}

.btn-inscribirme:hover {
    background-color: var(--color-success-dark);
    transform: translateY(-2px);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    padding-top: 120px;
    padding-bottom: 4rem;
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content .badge-tag {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.aida-description {
    background-color: var(--color-white);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 5px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.aida-description p {
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.aida-description p:last-child {
    margin-bottom: 0;
    font-weight: 700;
    color: var(--color-primary);
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-whatsapp-hero {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: #25D366;
    color: var(--color-white);
    padding: 0.9rem 1.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    transition: var(--transition);
}

.btn-whatsapp-hero:hover {
    background-color: #20ba5a;
    transform: translateY(-2px);
}

.btn-secundario {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 0.9rem 1.8rem;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-heading);
    transition: var(--transition);
}

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

.hero-image-wrapper {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Highlights Section */
.highlights-section {
    padding: 3rem 0;
    background-color: var(--color-white);
}

.highlights-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.highlight-card {
    background-color: var(--color-bg-light);
    border-left: 5px solid var(--color-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.highlight-card h3 {
    margin-bottom: 0.8rem;
    font-size: 1.25rem;
}

.highlight-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
}

/* Accordion Section */
.accordion-section {
    padding: 4rem 0;
    background-color: var(--color-bg-light);
}

.accordion-container {
    max-width: 800px;
}

.custom-accordion {
    background-color: var(--color-white);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.custom-accordion summary {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    outline: none;
    user-select: none;
    transition: var(--transition);
    background-color: var(--color-white);
}

.custom-accordion summary:hover {
    color: var(--color-accent);
}

.custom-accordion[open] summary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.accordion-content {
    padding: 1.5rem;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    background-color: var(--color-white);
}

.accordion-content ul {
    list-style: disc;
    padding-left: 1.5rem;
}

.accordion-content li {
    margin-bottom: 0.5rem;
}

/* Catálogo & Filtros */
.catalogo-section {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

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

.search-container {
    max-width: 500px;
    margin: 0 auto 2rem;
}

.search-container input {
    width: 100%;
    padding: 0.9rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-container input:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(136, 218, 255, 0.2);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background-color: var(--color-bg-light);
    border: 1px solid #cbd5e1;
    color: var(--color-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.course-card {
    position: relative;
    height: 280px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

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

.card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
    z-index: 1;
}

.course-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(46, 62, 98, 0) 0%, rgba(46, 62, 98, 0) 100%);
	/*background: linear-gradient(to top, rgba(46, 62, 98, 0.95) 0%, rgba(46, 62, 98, 0.3) 100%); RCA*/
    z-index: 2;
}

.btn-detail-link {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-secondary);
    color: var(--color-primary);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    z-index: 3;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.card-content {
    position: relative;
    z-index: 3;
    padding: 1.5rem;
}

.category-tag {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.card-content h3 {
    color: var(--color-white);
    font-size: 1.15rem;
    line-height: 1.3;
}

/* Footer */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-desc {
    color: #cbd5e1;
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
}

.legal-info p {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 0.4rem;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: #cbd5e1;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-secondary);
    padding-left: 5px;
}

.footer-contact-link {
    color: #cbd5e1;
    display: block;
    margin-bottom: 0.6rem;
    transition: var(--transition);
}

.footer-contact-link:hover {
    color: var(--color-secondary);
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.2rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
    border-radius: 50%;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: #94a3b8;
}

/* WhatsApp Flotante */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25D366;
    color: var(--color-white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #20ba5a;
}

/* Media Queries */
@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero-content h1 {
        font-size: 3.2rem;
    }
    .hero-cta-group {
        flex-direction: row;
    }
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
    .main-nav {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        box-shadow: none;
        flex-direction: row;
    }
    .nav-list {
        flex-direction: row;
        gap: 2rem;
    }
    .nav-link {
        font-size: 1rem;
    }
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}