/* ===== VARIABLES ===== */
:root {
    --primary: #0900b9;
    --primary-light: #3a72f6;
    --accent: #ffffff;
    --dark: #1a1a2e;
    --gray-100: #f8f9fc;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient-1: linear-gradient(135deg, var(--primary) 0%, #1a1a4e 100%);
    --gradient-2: linear-gradient(145deg, #f8faff, white);
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 20px 40px rgba(9, 0, 185, 0.08);
    --shadow-lg: 0 30px 60px rgba(9, 0, 185, 0.15);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--gray-100);
    overflow-x: hidden;
}

/* ===== HERO ===== */
.certificaciones-hero {
    position: relative;
    height: 60vh;
    min-height: 450px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.certificaciones-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/img/fondos/certificaciones.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 5%;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-title span {
    color: var(--primary-light);
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

/* ===== INTRO ===== */
.intro-section {
    padding: 60px 5%;
    background: white;
}

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

.intro-text {
    font-size: 1.1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 40px;
}

.highlight-box {
    background: var(--gradient-2);
    border-radius: 30px;
    padding: 30px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
}

.highlight-box p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--gray-800);
}

.highlight-box strong {
    color: var(--primary);
    font-weight: 700;
}

.badge-premium {
    background: linear-gradient(135deg, #FFD700, #FDB931);
    color: var(--dark);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-left: 8px;
}

/* ===== FILTROS ===== */
.filtros-section {
    padding: 40px 5% 20px;
    background: var(--gray-100);
}

.filtros-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.search-wrapper {
    flex: 2;
    min-width: 300px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 15px 25px;
    border: 2px solid var(--gray-200);
    border-radius: 60px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(58, 114, 246, 0.1);
}

.search-btn {
    position: absolute;
    right: 8px;
    top: 8px;
    background: var(--primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--primary-light);
    transform: scale(1.05);
}

.filter-select {
    flex: 1;
    min-width: 200px;
    padding: 15px 25px;
    border: 2px solid var(--gray-200);
    border-radius: 60px;
    font-family: 'Poppins', sans-serif;
    background: white;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-light);
}

.results-counter {
    text-align: center;
    margin: 20px 0;
    font-size: 1.1rem;
    color: var(--gray-600);
}

.results-counter span {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.5rem;
    margin: 0 5px;
}

/* ===== SECCIÓN DE CERTIFICACIONES ===== */
.certificaciones-section {
    padding: 20px 5% 60px;
}

.certificaciones-container {
    max-width: 1300px;
    margin: 0 auto;
}

.categoria-titulo {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin: 50px 0 30px;
    position: relative;
    padding-bottom: 15px;
}

.categoria-titulo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--primary-light);
    border-radius: 2px;
}

.categoria-titulo i {
    color: var(--primary);
    margin-right: 15px;
    font-size: 2rem;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.cert-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.card-header {
    padding: 25px 25px 15px;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
}

.card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-800);
    margin: 0 0 10px;
    line-height: 1.4;
    padding-right: 60px;
}

.badge-org {
    position: absolute;
    top: 25px;
    right: 25px;
    background: var(--gradient-2);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid var(--gray-200);
}

.badge-org.internacional {
    background: linear-gradient(135deg, #eef2ff, #d0d9ff);
    color: var(--primary);
}

.card-body {
    padding: 20px 25px;
    flex: 1;
}

.card-desc {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 0.85rem;
}

.meta-item i {
    width: 18px;
    color: var(--primary-light);
    font-size: 1rem;
}

.meta-item strong {
    color: var(--gray-800);
    font-weight: 600;
    margin-left: 4px;
}

.vigencia {
    display: inline-block;
    background: #eef2ff;
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

.card-footer {
    padding: 0 25px 25px;
}

.btn-card {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: white;
    padding: 10px 20px;
    border-radius: 60px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-card:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(9, 0, 185, 0.2);
}

/* ===== VALOR AGREGADO ===== */
.valor-section {
    padding: 60px 5%;
    background: var(--gradient-2);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.valor-container {
    max-width: 1300px;
    margin: 0 auto;
}

.valor-titulo {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 40px;
    text-align: center;
}

.valor-titulo span {
    color: var(--primary);
}

.valor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.valor-item {
    background: white;
    border-radius: 20px;
    padding: 25px;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.valor-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.valor-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}

.valor-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.valor-item p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* ===== CTA ===== */
.cta-section {
    padding: 60px 5%;
    background: white;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 20px;
}

.cta-title span {
    color: var(--primary);
}

.cta-text {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.btn-cta {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 16px 40px;
    border-radius: 60px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-cta:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(9, 0, 185, 0.2);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }

    .cert-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .filtros-container {
        flex-direction: column;
    }

    .search-wrapper,
    .filter-select {
        width: 100%;
    }

    .categoria-titulo {
        font-size: 1.8rem;
    }

    .meta-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-badge {
        font-size: 0.75rem;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }
}