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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --dark-gray: #666;
    --white: #ffffff;
    --star-color: #ffd700;
    --whatsapp-color: #25D366;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.main-navigation {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
}

.logo img {
    height: 50px;
    width: auto;
    margin-right: 15px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text-main {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo-text-sub {
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    height: 80vh;
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
                      url('../images/r-mo-w-_iZqdviAo-unsplash.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 84px;
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

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

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
}

.cta-button:hover {
    background-color: #2980b9;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: var(--whatsapp-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.whatsapp-btn:hover {
    background-color: #1da851;
    transform: translateY(-2px);
}

.whatsapp-btn i {
    font-size: 1.2rem;
}

/* Services Section */
.services {
    padding: 4rem 0;
    background-color: var(--light-gray);
}

.services h2,
.why-us h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

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

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Why Us Section */
.why-us {
    padding: 4rem 0;
}

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

.feature {
    text-align: center;
    padding: 2rem;
}

.feature i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Catalogue Page */
.catalogue-page {
    padding: 120px 0 4rem;
}

.catalogue-page h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.catalogue-downloads {
    margin-bottom: 4rem;
    text-align: center;
}

.catalogue-downloads h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.download-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.download-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.download-btn i {
    font-size: 1.2rem;
}

.product-category {
    margin-bottom: 4rem;
}

.product-category h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.category-description {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.energy-link {
    color: var(--secondary-color);
    text-decoration: none;
}

.energy-link:hover {
    text-decoration: underline;
}

/* Energy Saving Page */
.energy-page {
    padding: 120px 0 4rem;
}

.energy-page h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.energy-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
}

.energy-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.energy-explanation {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.energy-explanation h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.energy-explanation p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.comparison-item {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.comparison-item i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.energy-meter {
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: 5px;
    font-weight: bold;
    color: white;
}

.energy-meter.high {
    background-color: var(--accent-color);
}

.energy-meter.low {
    background-color: #27ae60;
}

.energy-savings {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.energy-savings h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.formula {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    margin: 1.5rem 0;
    font-weight: bold;
    font-size: 1.2rem;
}

.cta-section {
    background-color: var(--light-gray);
    padding: 3rem;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 2rem;
}

.cta-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
    text-align: center;
}

.cta-section p {
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    font-size: 1.1rem;
}

.cta-button-container {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.popular-profiles {
    margin-bottom: 3rem;
}

.popular-profiles h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

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

.profile-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.profile-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.profile-content {
    padding: 1.5rem;
}

.profile-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.profile-card ul {
    list-style-position: inside;
    color: var(--dark-gray);
}

.profile-card li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Swiper Styles */
.swiper {
    width: 100%;
    height: 600px;
    margin-bottom: 3rem;
}

.swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--secondary-color);
}

.swiper-pagination-bullet-active {
    background-color: var(--secondary-color);
}

/* Projects Page */
.projects-page {
    padding: 120px 0 4rem;
}

.projects h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

/* Reviews Section */
.reviews {
    padding: 4rem 2rem;
    background-color: var(--light-gray);
    margin: 2rem 0;
    border-radius: 15px;
}

.reviews h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.review-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: left;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
}

.stars {
    color: var(--star-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.review-card blockquote {
    margin-bottom: 1.5rem;
}

.review-card p {
    font-style: italic;
    color: var(--text-color);
    line-height: 1.8;
    margin: 0;
}

.review-card cite {
    color: var(--primary-color);
    font-weight: 600;
    font-style: normal;
    display: block;
    text-align: right;
}

/* Contact Page */
.contact-page {
    padding: 120px 0 4rem;
}

.contact-page h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.whatsapp-banner {
    background-color: #25D366;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--white);
}

.whatsapp-icon-large {
    width: 50px;
    height: 50px;
    margin-right: 1.5rem;
}

.whatsapp-text {
    font-size: 1.2rem;
    text-align: left;
}

.phone-number {
    font-weight: bold;
    margin-top: 0.5rem;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
    align-items: start;
}

.contact-info {
    display: grid;
    gap: 3rem;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.info-section {
    text-align: center;
    padding: 1.5rem;
    border-radius: 8px;
    background-color: var(--light-gray);
}

.info-section i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.info-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.info-section p {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.info-section address {
    font-style: normal;
}

.contact-form-section {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.contact-form h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

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

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

.submit-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #2980b9;
}

.company-info {
    text-align: center;
    padding: 3rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.company-info h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.company-info p {
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--text-color);
}

.company-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

.company-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: var(--text-color);
}

.company-features i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* Footer */
.main-footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section address {
    font-style: normal;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: all 0.3s;
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        padding: 1rem;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        flex-direction: column;
    }

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

    .nav-links li {
        margin: 0.5rem 0;
    }

    .hero {
        margin-top: 76px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .logo img {
        height: 40px;
    }

    .logo-text-main {
        font-size: 1.2rem;
    }

    .logo-text-sub {
        font-size: 0.8rem;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .swiper {
        height: 400px;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .whatsapp-text {
        font-size: 1rem;
    }

    .energy-intro {
        grid-template-columns: 1fr;
    }

    .energy-comparison {
        grid-template-columns: 1fr;
    }

    .profile-cards {
        grid-template-columns: 1fr;
    }

    .energy-image {
        max-height: 300px;
    }

    .download-buttons {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 1rem;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    z-index: 1001;
}

.skip-link:focus {
    top: 6px;
}