/* Reset y Variables */
:root {
    --color-primary: #FF6B35;
    --color-secondary: #004E89;
    --color-accent: #F7B32B;
    --color-dark: #1A1A1A;
    --color-gray: #4A4A4A;
    --color-light-gray: #E8E8E8;
    --color-white: #FFFFFF;
    --color-cement: #95A3A6;
    --color-steel: #5D6D7E;

    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-dark);
}

.logo svg {
    stroke: var(--color-primary);
}

.logo small {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--color-gray);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-dark);
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-menu a {
    font-weight: 500;
    color: var(--color-gray);
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

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

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

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 10px 35px rgba(37, 211, 102, 0.5);
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-steel) 0%, var(--color-cement) 100%);
    background-image:
        linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(74, 74, 74, 0.75) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)"/></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    color: var(--color-white);
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.95);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: #E55A2B;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

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

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background: #F8F9FA;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--color-primary);
    margin: 0 auto var(--spacing-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

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

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-gray);
    line-height: 1.7;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--color-light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.feature-item h3 {
    font-size: 1.2rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    color: var(--color-gray);
    line-height: 1.6;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/3;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: var(--spacing-md);
    color: var(--color-white);
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay h4 {
    font-size: 1.2rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-author strong {
    color: var(--color-dark);
    font-size: 1.1rem;
}

.testimonial-author span {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.cta-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: #F8F9FA;
    border-radius: 8px;
}

.contact-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    color: var(--color-gray);
}

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

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-form input,
.contact-form textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-light-gray);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

/* Map */
.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-lg);
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transform: translateX(-100%);
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .services-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

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

    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .logo span {
        font-size: 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .whatsapp-float,
    .hero-buttons,
    .btn {
        display: none;
    }
}