:root {
    /* Primary Colors */
    --eco-green: #27ae60;
    --solar-yellow: #f1c40f;
    
    /* Secondary Colors */
    --sky-blue: #3498db;
    --orange: #e67e22;
    
    /* Neutral Colors */
    --dark-gray: #2c3e50;
    --white: #ffffff;
    --light-gray: #ecf0f1;
    
    /* Font Families */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Open Sans', sans-serif;
    
    /* Other Variables */
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--solar-yellow);
}

ul {
    list-style: none;
}

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

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

section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-gray);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--eco-green);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    opacity: 0.8;
}

/* Glass Card Style */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: 25px;
    transition: var(--transition);
    overflow: hidden;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--eco-green);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #219653;
    color: var(--white);
}

.btn-secondary {
    background-color: var(--solar-yellow);
    color: var(--dark-gray);
}

.btn-secondary:hover {
    background-color: #f39c12;
    color: var(--dark-gray);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--eco-green);
    color: var(--eco-green);
}

.btn-outline:hover {
    background-color: var(--eco-green);
    color: var(--white);
}

/* ===== HEADER ===== */
.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);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--eco-green);
}

.logo img {
    max-height: 50px;
}

.nav-menu ul {
    display: flex;
}

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    color: var(--dark-gray);
    font-weight: 600;
    position: relative;
    padding: 5px 0;
}

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

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

.menu-toggle {
    display: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    margin: 5px 0;
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/hero-bg.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--white);
    animation: fadeInDown 1s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeIn 1.5s ease;
}

/* ===== ABOUT SECTION ===== */
.about {
    background-color: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text {
    animation: fadeInLeft 1s ease;
}

.about-image {
    animation: fadeInRight 1s ease;
    border-radius: var(--border-radius);
    overflow: hidden;
}

/* ===== SERVICES SECTION ===== */
.services {
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    text-align: center;
    animation: fadeIn 1s ease;
}

.service-icon {
    margin-bottom: 20px;
    height: 200px;
    overflow: hidden;
    border-radius: var(--border-radius);
}

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

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

.service-card h3 {
    color: var(--eco-green);
    margin-bottom: 15px;
}

.services-cta {
    text-align: center;
    margin-top: 20px;
}

/* ===== SERVICE AREAS SECTION ===== */
.service-areas {
    background-color: var(--light-gray);
}

.areas-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.areas-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.areas-list ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.areas-list li {
    display: flex;
    align-items: center;
}

.areas-list i {
    color: var(--eco-green);
    margin-right: 10px;
}

/* ===== WHY CHOOSE US SECTION ===== */
.why-choose-us {
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    text-align: center;
    padding: 30px;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--eco-green);
    margin-bottom: 20px;
}

.feature h3 {
    color: var(--dark-gray);
    margin-bottom: 15px;
}

/* ===== PROJECTS SECTION ===== */
.projects {
    background-color: var(--light-gray);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.project-card {
    overflow: hidden;
}

.project-image {
    height: 250px;
    overflow: hidden;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

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

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

.project-info {
    padding: 20px;
}

.project-info h3 {
    color: var(--eco-green);
    margin-bottom: 10px;
}

.projects-cta {
    text-align: center;
    margin-top: 20px;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    background-color: var(--white);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    padding: 30px;
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    position: relative;
    padding: 0 20px;
}

.testimonial-content p::before,
.testimonial-content p::after {
    content: '"';
    font-size: 2rem;
    color: var(--eco-green);
    position: absolute;
}

.testimonial-content p::before {
    left: 0;
    top: -10px;
}

.testimonial-content p::after {
    right: 0;
    bottom: -20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
}

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

.author-info h4 {
    margin-bottom: 5px;
}

.author-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/cta-bg.jpg') no-repeat center center/cover;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/cta-bg.jpg') no-repeat center center/cover;
    color: var(--white);
    text-align: center;
    padding: 100px 0;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

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

.consultation-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 80px 0 20px;
}

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

.footer-logo h2 {
    color: var(--white);
    margin-bottom: 15px;
}

.footer-logo p {
    opacity: 0.8;
}

.footer-contact h3,
.footer-links h3,
.footer-social h3 {
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-contact h3::after,
.footer-links h3::after,
.footer-social h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--eco-green);
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}

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

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

.footer-links a {
    color: var(--white);
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--eco-green);
    opacity: 1;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--eco-green);
    transform: translateY(-5px);
}

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

.footer-bottom p {
    margin: 0;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== RESPONSIVE STYLES ===== */
@media screen and (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    section {
        padding: 60px 0;
    }
}

@media screen and (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        transition: var(--transition);
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        padding: 20px;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .about-content,
    .areas-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .areas-list ul {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 576px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}