/* Base y Variables */
:root {
    /* Paleta de colores principal */
    --color-primary: #004aad; /* Azul principal */
    --color-primary-dark: #003682; /* Azul oscuro */
    --color-accent: #ffb703; /* Amarillo llamado a la acción */
    --color-accent-hover: #e0a103;
    --color-white: #ffffff;
    --color-bg-light: #f8f9fa; /* Gris claro de fondo */
    --color-text: #333333; /* Texto principal oscuro */
    --color-text-muted: #666666; /* Texto secundario gris */
    
    /* Configuración visual */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition-speed: 0.3s;
    --shadow-main: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

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

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

/* Utilidades */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: 5px;
}

.title-underline {
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin-bottom: 20px;
    border-radius: 2px;
}

.title-underline.center {
    margin-left: auto;
    margin-right: auto;
}

.text-accent {
    color: var(--color-accent);
}

/* Header */
.header {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

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

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 1rem;
    transition: color var(--transition-speed);
}

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

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 100px 0 120px;
    color: var(--color-white);
    text-align: center;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .text-accent {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-speed);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text); /* Texto oscuro para contrastar con amarillo */
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 183, 3, 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-3px);
}

/* Sobre Nosotros */
.about {
    padding: 100px 0;
    background-color: var(--color-white);
}

.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.about-visual {
    flex: 1;
}

.visual-box {
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    box-shadow: var(--shadow-main);
    border: 1px solid rgba(0,0,0,0.05);
}

/* Productos */
.products {
    padding: 100px 0;
    background-color: var(--color-bg-light);
}

.products-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 40px;
}

/* Tarjeta del Producto (Product Card) */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-main);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.card-img-wrapper {
    width: 100%;
    height: 500px;
    background-color: #e2e8f0;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img {
    transform: scale(1.05);
}

.card-body {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: 15px;
    line-height: 1.3;
}

.card-desc {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 25px;
    flex-grow: 1;
}

.card .btn {
    width: 100%;
    text-align: center;
}

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

.card .btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: 0 6px 15px rgba(0, 74, 173, 0.3);
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: 60px 0 20px;
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--color-white);
}

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

.footer-desc {
    color: #a0aec0;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #718096;
    font-size: 0.9rem;
}

/* Responsividad (Móviles y Tablets) */
@media (max-width: 991px) {
    .about-container {
        flex-direction: column;
        text-align: center;
    }
    .title-underline {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
        gap: 15px;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
}