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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #6dbb4c;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #6dbb4c;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url("images/hero.jpg") center/cover no-repeat;
    color: white;
    position: relative;
    text-align: center;
    padding: 2rem;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    animation: fadeUp 1s ease-in-out both;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    animation: fadeUp 1s ease-in-out 0.3s both;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeUp 1s ease-in-out 0.6s both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    animation: fadeUp 1s ease-in-out 0.9s both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-primary {
    background: #6dbb4c;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: white;
    color: #6dbb4c;
    box-shadow: 0 0 15px rgba(109, 187, 76, 0.5);
}


.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-secondary:hover {
    background: white;
    color: #74b9ff;
}

/* Hero Visual Elements */
.hero-visual {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.solar-panel {
    width: 200px;
    height: 120px;
    background: linear-gradient(45deg, #2c3e50, #34495e);
    border-radius: 10px;
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.solar-panel::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background:
        linear-gradient(90deg, transparent 30%, rgba(116, 185, 255, 0.3) 50%, transparent 70%),
        repeating-linear-gradient(90deg, #34495e 0px, #34495e 18px, #2c3e50 18px, #2c3e50 20px);
    border-radius: 5px;
}

.sun {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #6dbb4c, #43a402);
    border-radius: 50%;
    position: absolute;
    top: -100px;
    right: -50px;
    animation: rotate 10s linear infinite;
    box-shadow: 0 0 30px rgba(243, 156, 18, 0.5);
}

.sun::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: radial-gradient(circle, transparent 60%, #6dbb4c 70%, transparent 80%);
    border-radius: 50%;
}

.energy-flow {
    position: absolute;
    top: 50px;
    left: -50px;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #6dbb4c, transparent);
    animation: energyFlow 2s ease-in-out infinite;
}

/* About Section */
.about-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.about-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-card i {
    font-size: 2.5rem;
    color: white;
    background: #6dbb4c;
    padding: 1rem;
    border-radius: 50%;
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.about-card:hover i {
    background: #4caf50;
}

.about-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
}

.enhanced-about {
    background: #f4f7f9;
    padding: 5rem 0;
    text-align: center;
    font-size: 2rem
}

.about-subtext {
    font-size: 1.2rem;
    color: #555;
    max-width: 800px;
    margin: 0 auto 3rem;
}


.about-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.about-card p {
    font-size: 0.95rem;
    color: #666;
}


/* Services Section */
.services {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f1fdf4, #ffffff);
}


.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 190px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 1rem;
}


.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 100px 60px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.service-card i {
    font-size: 3rem;
    color: #74b9ff;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.service-card ul {
    list-style: none;
    margin-top: 1rem;
}

.service-card li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* Calculator Section */
.calculator {
    padding: 5rem 0;
    background: linear-gradient(135deg, #0f2027, #34e89e, #0f2027);
    color: white;
}

.calculator h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

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

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
}

.calculator-results {
    background: rgb(0 0 0 / 63%);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.calculator-results h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.result-item:last-child {
    border-bottom: none;
}

.testimonials {
    background: #f8f9fa;
    padding: 5rem 0;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-in-out;
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    background: #fdfefe;
}

.testimonial-icon {
    font-size: 2rem;
    color: #6dbb4c;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    color: #555;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    background: #6dbb4c;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.testimonial-author h4 {
    margin: 0;
    font-size: 1.1rem;
    color: #2c3e50;
}

.testimonial-author span {
    font-size: 0.9rem;
    color: #888;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: #f8f9fa;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    padding: 2rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-item {
    display: flex;
    align-items: center;
    margin: 1rem 0;
}

.contact-item i {
    color: #6dbb4c;
    margin-right: 1rem;
    width: 20px;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #74b9ff;
}

/* Footer */
.footer {
    background: #61615f;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #6dbb4c;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

.footer-section h4 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #6dbb4c;
}

.footer-section ul {
    list-style: none;
    display: flex;
    /* makes the list items appear in a row */
    gap: 1rem;
    /* optional: adds space between items */
    padding: 0;
    /* removes default padding */
    margin: 0;
    /* removes default margin */
}

.footer-section li {
    margin-bottom: 0;
    /* remove vertical spacing */
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #6dbb4c;
}


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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(243, 156, 18, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #6dbb4c;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

.solar-process {
    padding: 5rem 0;
    background: #ffffff;
    text-align: center;
}

.solar-process h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.solar-subtext {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 3rem;
}

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

.step {
    background: #f4f7f9;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
}

.step i {
    font-size: 2.5rem;
    color: #6dbb4c;
    margin-bottom: 1rem;
}

.step h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.step p {
    color: #666;
    font-size: 0.95rem;
}


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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes energyFlow {
    0% {
        opacity: 0;
        transform: translateX(-20px);
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translateX(20px);
    }
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-visual {
        display: none;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
        padding-left: 20px;
    }

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

.projects {
    padding: 5rem 0;
    background: #f8f9fa;
}

.projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease-in-out;
    border-left: 5px solid #6dbb4c;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    background: #fdfefe;
}

.project-card h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.project-card p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 0.5rem;
}


/* Card Image */
.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
}
.why-us h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #333;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr; /* Mobile default: 1 column */
    gap: 1.5rem;
    padding: 1rem;
}

@media (min-width: 600px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr); /* Tablet */
    }
}

@media (min-width: 900px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr); /* Desktop */
    }
}

.benefit-card {
    background: #f9f9f9;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    width: 100%; /* responsive width */
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.benefit-card i {
    font-size: 3rem;
    color: #6dbb4c;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.benefit-card p {
    font-size: 1rem;
    color: #555;
    line-height: 1.5;
}