/* 
   INFERTEC - Estilos Corporativos
   Colores: Azul #002169, Verde #6AA420
*/

:root {
    --primary-color: #002169;
    --secondary-color: #6AA420;
    --text-color: #333;
    --bg-light: #f4f4f4;
    --white: #ffffff;
    --gray: #666;
    --transition: all 0.3s ease;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--secondary-color);
}

.btn-cta {
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
}

.btn-cta:hover {
    background: #5a8c1b;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,33,105,0.7), rgba(0,33,105,0.7)), url('../img/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: 70px;
}

.hero-content {
    max-width: 700px;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 12px 25px;
    border: 2px solid var(--white);
    border-radius: 5px;
    font-weight: 600;
}

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

/* Sections General */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    color: var(--primary-color);
    font-size: 2.2rem;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

/* Features/Benefits */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 10px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.category-card {
    position: relative;
    height: 250px;
    border-radius: 10px;
    overflow: hidden;
    color: var(--white);
}

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

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,33,105,0.6);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-card:hover .category-overlay {
    background: rgba(106,164,32,0.8);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.footer-col p, .footer-col li {
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.8rem;
}

/* Responsive Menu */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
}

/* Forms */
.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.btn-submit {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

/* Blog Cards */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.blog-img {
    height: 200px;
    background: #eee;
}

.blog-content {
    padding: 20px;
}

.blog-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.blog-content p {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 15px;
}

.read-more {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Media Queries */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-btns {
        flex-direction: column;
    }
}