/* Base Styles */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2c5282;
    --accent-color: #e53e3e;
    --text-color: #2d3748;
    --light-gray: #f7fafc;
    --medium-gray: #e2e8f0;
    --dark-gray: #4a5568;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
    color: var(--primary-color);
}

p {
    margin-bottom: 15px;
}

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

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

.section-header h2 {
    font-size: 2.2rem;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.divider {
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 0 auto;
    position: relative;
    bottom: -10px;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 2px solid var(--accent-color);
    text-align: center;
}

.cta-button:hover {
    background-color: transparent;
    color: var(--accent-color);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background-color: var(--white);
    padding: 10px 0;
}

.navbar {
    padding: 15px 0;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    transition: var(--transition);
}

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

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 5px 0;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    background: url('../img/bg_principal.jpg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

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

.features {
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.feature i {
    color: var(--accent-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    width: 100%;
}

.service-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid var(--medium-gray);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    display: inline-block;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--dark-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.contact-content {
    display: flex;
    gap: 50px;
    margin-top: 50px;
}

.contact-form, .contact-info {
    flex: 1;
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.contact-form h3, .contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.contact-form h3::after, .contact-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(229, 62, 62, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-right: 15px;
    margin-top: 5px;
}

.info-item a {
    color: var(--text-color);
    transition: var(--transition);
}

.info-item a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--light-gray);
    color: var(--primary-color);
    border-radius: 50%;
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 70px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 15px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

.footer-links h4, .footer-contact h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after, .footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.developer-credits {
    font-size: 0.85rem;
    margin-top: 10px;
}

.developer-credits a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.developer-credits a:hover {
    color: var(--white);
    text-decoration: underline;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    z-index: 99;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: translateY(-5px);
    color: var(--white);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background-color: var(--accent-color);
    color: var(--white);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
    bottom: 100px;
}

.back-to-top:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
}

/* Responsive Styles */
@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 50px auto 0;
    }
}

@media (max-width: 992px) {
    .about-content, .contact-content {
        flex-direction: column;
    }
    
    .about-image {
        margin-top: 30px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .contact-form, .contact-info {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 1.6rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links h4::after, .footer-contact h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .info-item {
        justify-content: center;
    }
}