/* ==========================================================================
   EcoConducción Chile - Estilos Globales y Diseño Premium
   ========================================================================== */

/* Importación de tipografía moderna y elegante */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Paleta de Colores Principal */
    --primary: #34D399;         /* Mint Green principal */
    --primary-hover: #10B981;   /* Mint Green un poco más intenso */
    --primary-light: #ECFDF5;   /* Fondo Mint ultra suave */
    --dark-slate: #1E293B;      /* Color de texto y elementos principales */
    --slate-light: #64748B;     /* Texto secundario y descriptivo */
    --slate-border: #E2E8F0;    /* Bordes suaves */
    --bg-main: #F8FAFC;         /* Fondo principal muy limpio */
    --bg-card: #FFFFFF;         /* Fondo de tarjetas */
    
    /* Variables de diseño */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Estilos Básicos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--dark-slate);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Navegación */
header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--slate-border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: flex-end; /* Corregido: Flex-end para alinear a la derecha, pero con logo a la izquierda */
    align-items: center;
}

.logo-link {
    margin-right: auto; /* Empuja el menú a la derecha */
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-hover);
    font-weight: 700;
    font-size: 1.2rem;
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--dark-slate);
    letter-spacing: -0.025em;
}

.logo-text span {
    color: var(--primary-hover);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-slate);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover {
    color: var(--primary-hover);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

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

.nav-link.active {
    color: var(--primary-hover);
    font-weight: 600;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--dark-slate);
    box-shadow: 0 4px 14px rgba(52, 211, 153, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-secondary {
    background-color: var(--primary-light);
    color: var(--primary-hover);
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--dark-slate);
    transform: translateY(-2px);
}

.btn-dark {
    background-color: var(--dark-slate);
    color: white;
}

.btn-dark:hover {
    background-color: #0f172a;
    transform: translateY(-2px);
}

/* Héroe (Hero Section) */
.hero {
    background: radial-gradient(circle at 10% 20%, rgba(236, 253, 245, 0.7) 0%, rgba(255, 255, 255, 0.9) 90%);
    padding: 6rem 2rem 5rem;
    border-bottom: 1px solid var(--slate-border);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--dark-slate);
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--slate-light);
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-image-wrapper {
    position: relative;
}

.hero-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--slate-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 10;
}

.badge-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-hover);
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark-slate);
    line-height: 1.2;
}

.hero-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(226, 232, 240, 0.8);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background-color: var(--primary);
}

.hero-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.feature-icon {
    color: var(--primary-hover);
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 2px;
}

.feature-text {
    color: var(--slate-light);
    font-size: 0.95rem;
}

/* Contenido Principal / Contenedores */
.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--slate-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3.5rem;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

/* Grid de Artículos / Blog */
.articles-section {
    margin-bottom: 6rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.article-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(52, 211, 153, 0.4);
}

.article-image {
    height: 200px;
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.article-image svg {
    width: 64px;
    height: 64px;
    color: var(--primary-hover);
    opacity: 0.8;
    transition: var(--transition);
}

.article-card:hover .article-image svg {
    transform: scale(1.1);
    opacity: 1;
}

.article-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-hover);
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
}

.article-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    color: var(--dark-slate);
}

.article-body p {
    font-size: 0.95rem;
    color: var(--slate-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.article-read-more {
    color: var(--primary-hover);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.article-read-more:hover {
    gap: 0.75rem;
}

/* Sección de la Calculadora / Test interactivo */
.quiz-section {
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--primary-light) 100%);
    padding: 6rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(52, 211, 153, 0.2);
    margin-bottom: 4rem;
}

.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-md);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--slate-border);
}

.quiz-progress-container {
    margin-bottom: 2.5rem;
}

.quiz-progress-bar {
    height: 6px;
    background-color: var(--slate-border);
    border-radius: 3px;
    overflow: hidden;
}

.quiz-progress-fill {
    height: 100%;
    background-color: var(--primary);
    width: 20%;
    transition: width 0.4s ease;
}

.quiz-step-info {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--slate-light);
    font-weight: 600;
}

.quiz-question {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--dark-slate);
    line-height: 1.4;
}

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

.quiz-option {
    background-color: var(--bg-main);
    border: 2px solid var(--slate-border);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.quiz-option:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
    transform: translateX(4px);
}

.quiz-option.selected {
    border-color: var(--primary-hover);
    background-color: var(--primary-light);
    color: var(--dark-slate);
}

.quiz-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--slate-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.quiz-option.selected .quiz-radio {
    border-color: var(--primary-hover);
    background-color: var(--primary-hover);
}

.quiz-option.selected .quiz-radio::after {
    content: '';
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
}

.quiz-actions {
    display: flex;
    justify-content: space-between;
}

/* Resultados del Quiz */
.results-container {
    text-align: center;
}

.results-score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: var(--primary-light);
    border: 8px solid var(--primary);
    margin: 0 auto 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.results-score-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark-slate);
    line-height: 1;
}

.results-score-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-hover);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.results-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.results-desc {
    color: var(--slate-light);
    margin-bottom: 2rem;
    font-size: 1.05rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.results-recommendations {
    background-color: var(--bg-main);
    border: 1px solid var(--slate-border);
    border-radius: var(--radius-sm);
    padding: 2rem;
    text-align: left;
    margin-bottom: 2.5rem;
}

.results-recommendations h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.results-recommendations ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.results-recommendations li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: var(--dark-slate);
}

.results-recommendations li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-hover);
    font-weight: bold;
}

/* Página de Contacto */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-info-card {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 3rem;
    border: 1px solid var(--slate-border);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-detail-item {
    display: flex;
    gap: 1.25rem;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background-color: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-hover);
    flex-shrink: 0;
}

.contact-detail-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-detail-content p, 
.contact-detail-content a {
    color: var(--slate-light);
    font-size: 0.95rem;
    text-decoration: none;
}

.contact-detail-content a:hover {
    color: var(--primary-hover);
}

.contact-form-card {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 3rem;
    border: 1px solid var(--slate-border);
    box-shadow: var(--shadow-lg);
}

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

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--dark-slate);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border: 2px solid var(--slate-border);
    border-radius: var(--radius-sm);
    background-color: var(--bg-main);
    transition: var(--transition);
    color: var(--dark-slate);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.15);
}

.form-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.form-checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
    cursor: pointer;
    accent-color: var(--primary-hover);
}

.form-checkbox-label {
    font-size: 0.85rem;
    color: var(--slate-light);
    line-height: 1.4;
}

.form-checkbox-label a {
    color: var(--primary-hover);
    text-decoration: none;
    font-weight: 500;
}

.form-checkbox-label a:hover {
    text-decoration: underline;
}

/* Feedback de envío de formulario */
.form-feedback {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    display: none;
}

.form-feedback.success {
    display: block;
    background-color: var(--primary-light);
    color: #065f46;
    border: 1px solid rgba(52, 211, 153, 0.4);
}

.form-feedback.error {
    display: block;
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fee2e2;
}

/* Páginas Legales */
.legal-content {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 4rem 3rem;
    border: 1px solid var(--slate-border);
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 2rem auto 0;
}

.legal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-slate);
}

.legal-content p {
    color: var(--slate-light);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.legal-content ul, 
.legal-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--slate-light);
}

.legal-content li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.legal-last-update {
    font-size: 0.85rem;
    color: var(--slate-light);
    border-bottom: 1px solid var(--slate-border);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Footer (Pie de página) */
footer {
    background-color: var(--dark-slate);
    color: #94a3b8;
    padding: 4rem 2rem 2rem;
    border-top: 1px solid #334155;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid #334155;
}

.footer-about h3 {
    color: white;
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.footer-about h3 span {
    color: var(--primary);
}

.footer-about p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-contact-item {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    display: flex;
    gap: 0.75rem;
}

.footer-contact-item span {
    color: var(--primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
}

.footer-legal-link {
    color: #64748b;
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal-link:hover {
    color: var(--primary);
}

.footer-disclaimer {
    max-width: 1200px;
    margin: 1.5rem auto 0;
    font-size: 0.75rem;
    color: #64748b;
    line-height: 1.5;
    text-align: center;
    border-top: 1px solid #334155;
    padding-top: 1.5rem;
}

/* Responsive - Media Queries */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-content {
        text-align: center;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
        text-align: center;
    }
    
    .logo-link {
        margin-right: 0;
    }
    
    .nav-menu {
        gap: 1.25rem;
    }
    
    .hero {
        padding: 4rem 1.5rem 3rem;
    }
    
    .hero-content h1 {
        font-size: 2.25rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .quiz-container {
        padding: 2rem 1.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}