/* CSS Variables - Color Schema */
:root {
    --patagonian-navy: #1a365d;
    --glacier-blue: #2c5282;
    --mountain-charcoal: #1a202c;
    --alpine-white: #ffffff;
    
    /* Typography */
    --font-headings: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --mobile-section-padding: 60px 0;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--mountain-charcoal);
    background-color: var(--alpine-white);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    color: var(--patagonian-navy);
}

h2 {
    font-size: 2.5rem;
    color: var(--patagonian-navy);
}

h3 {
    font-size: 1.8rem;
    color: var(--glacier-blue);
}

h4 {
    font-size: 1.4rem;
    color: var(--glacier-blue);
}

p {
    margin-bottom: 1rem;
    color: var(--mountain-charcoal);
}

/* Navigation */
.navbar {
    background-color: var(--patagonian-navy);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(26, 54, 93, 0.1);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h2 {
    color: var(--alpine-white);
    font-size: 1.5rem;
    margin: 0;
}

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

.nav-link {
    color: var(--alpine-white);
    text-decoration: none;
    font-family: var(--font-headings);
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--glacier-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--alpine-white);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    background:url('../images/logo-lument.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 120px 0;
    text-align: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.8) 0%, rgba(44, 82, 130, 0.8) 100%);
    z-index: 1;
}

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

.hero-content h1 {
    color: var(--alpine-white);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.3rem;
    color: var(--alpine-white);
    margin-bottom: 3rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background-color: var(--glacier-blue);
    color: var(--alpine-white);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(44, 82, 130, 0.3);
}

.btn-primary:hover {
    background-color: #2a4f7a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 82, 130, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--alpine-white);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid var(--alpine-white);
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--alpine-white);
    color: var(--patagonian-navy);
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: rgba(26, 32, 44, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Features Section */
.features-section {
    padding: var(--section-padding);
    background-color: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--alpine-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(26, 54, 93, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(26, 54, 93, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    color: var(--patagonian-navy);
    margin-bottom: 1rem;
}

.feature-card p {
    color: rgba(26, 32, 44, 0.7);
    line-height: 1.6;
}

/* Services Preview Section */
.services-preview {
    padding: var(--section-padding);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background-color: var(--alpine-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(26, 54, 93, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(26, 54, 93, 0.15);
}

.service-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.service-icon {
    font-size: 4rem;
    color: var(--alpine-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.residential-bg {
    background: linear-gradient(135deg, var(--glacier-blue) 0%, #3a6ba5 100%);
}

.commercial-bg {
    background: linear-gradient(135deg, var(--patagonian-navy) 0%, #2a4f7a 100%);
}

.certification-bg {
    background: linear-gradient(135deg, #4a5568 0%, var(--mountain-charcoal) 100%);
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    color: var(--patagonian-navy);
    margin-bottom: 1rem;
}

.service-content p {
    color: rgba(26, 32, 44, 0.7);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: 0.3rem 0;
    color: rgba(26, 32, 44, 0.8);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    color: var(--glacier-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.services-cta {
    text-align: center;
}

.btn-outline {
    background-color: transparent;
    color: var(--patagonian-navy);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid var(--patagonian-navy);
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: var(--patagonian-navy);
    color: var(--alpine-white);
    transform: translateY(-2px);
}

/* About Section */
.about-section {
    padding: var(--section-padding);
    background-color: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: rgba(26, 32, 44, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--glacier-blue);
    font-family: var(--font-headings);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(26, 32, 44, 0.7);
    margin-top: 0.5rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--glacier-blue) 0%, var(--patagonian-navy) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--alpine-white);
    font-size: 1.2rem;
    font-family: var(--font-headings);
}
.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(26, 54, 93, 0.15);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}
/* Testimonials Section */
.testimonials-section {
    padding: var(--section-padding);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--alpine-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(26, 54, 93, 0.08);
    border-left: 4px solid var(--glacier-blue);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: rgba(26, 32, 44, 0.8);
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-author strong {
    color: var(--patagonian-navy);
    display: block;
    margin-bottom: 0.2rem;
}

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

/* CTA Section */
.cta-section {
    background-color: var(--patagonian-navy);
    color: var(--alpine-white);
    padding: var(--section-padding);
    text-align: center;
}

.cta-content h2 {
    color: var(--alpine-white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--alpine-white);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    background-color: var(--glacier-blue);
    color: var(--alpine-white);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #2a4f7a;
    transform: translateY(-2px);
}

.cta-button-secondary {
    background-color: transparent;
    color: var(--alpine-white);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid var(--alpine-white);
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-button-secondary:hover {
    background-color: var(--alpine-white);
    color: var(--patagonian-navy);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--mountain-charcoal);
    color: var(--alpine-white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--alpine-white);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--glacier-blue);
}



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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--patagonian-navy);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-section {
        padding: 80px 0;
    }

    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 250px;
        text-align: center;
    }

    .features-section,
    .services-preview,
    .about-section,
    .testimonials-section,
    .cta-section {
        padding: var(--mobile-section-padding);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .about-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button,
    .cta-button-secondary {
        width: 250px;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-icon {
        width: 30px;
        height: 30px;
    }

}

@media screen and (max-width: 480px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .container {
        padding: 0 15px;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .feature-card,
    .service-content,
    .testimonial-card {
        padding: 1.5rem;
    }

    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .image-placeholder {
        height: 300px;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

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

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    filter: brightness(0) invert(1);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.7);
    }
}