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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

:root {
    --primary-green: #43b843;
    --secondary-green: #3CB371;
    --light-green: #90EE90;
    --dark-green: #006400;
    --accent-green: #32CD32;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

.navbar {
    background: #f8f9fa;
    box-shadow: 0 2px 12px rgba(46, 139, 87, 0.07);
    margin: 0;
    width: 100%;
    border-radius: 0;
    padding: 0.8rem 1rem;
    position: relative;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    justify-content: space-around;
    z-index: 1001;
    position: relative;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-green);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

.nav-menu.nav-horizontal {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.6rem;
    width: 100%;
    padding: 0;
    margin: 0 auto;
    list-style: none;
    justify-content: center;
    align-items: stretch;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-item {
    margin: 0;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn,
.nav-btn-green,
.nav-btn-white {
    background: var(--primary-green) !important;
    color: var(--white) !important;
    border-radius: 6px !important;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 1rem 0.5rem;
    box-shadow: 0 2px 8px rgba(95, 232, 95, 0.08);
    transition: background 0.18s, color 0.18s, transform 0.18s, box-shadow 0.18s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    height: 100%;
    min-height: 70px;
    letter-spacing: 0.3px;
    border: none;
    cursor: pointer;
    text-decoration: none !important;
    line-height: 1.3;
    word-wrap: break-word;
    white-space: normal;
}

.nav-btn:hover,
.nav-btn:focus,
.nav-btn-green:hover,
.nav-btn-green:focus,
.nav-btn-white:hover,
.nav-btn-white:focus {
    background: #4ec44e !important;
    color: var(--white) !important;
    transform: translateY(-2px) scale(1.045);
    box-shadow: 0 6px 24px rgba(95, 232, 95, 0.18);
    text-decoration: none;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.services-overview {
    padding: 80px 0;
    background: var(--white);
}

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

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
    box-shadow: 0 8px 25px rgba(46, 139, 87, 0.2);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--gray);
    line-height: 1.6;
}

.featured-product {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--secondary-green) 100%);
    padding: 35px 0;
    color: var(--white);
}

.featured-product h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1.2rem;
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.product-image .cta-button {
    width: 100%;
    max-width: 350px;
    text-align: center;
    margin-top: 0;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.7rem;
}

.product-info ul {
    list-style: none;
    margin-bottom: 1rem;
}

.product-features-compact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.25rem 1.2rem;
    list-style: none;
    margin-bottom: 1rem;
}

.product-info li {
    padding: 0.2rem 0;
    position: relative;
    padding-left: 1.4rem;
    font-size: 0.95rem;
    line-height: 1.4;
}

.product-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
    font-size: 0.95rem;
}

.cta-button {
    background: var(--white);
    color: var(--primary-green);
    border: none;
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
}

.cta-button:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-2px);
}

.tips-section {
    background: var(--white);
    padding: 80px 0;
}

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

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

.tip-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border-left: 4px solid var(--primary-green);
}

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

.tip-card i {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.tip-card h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.tip-card p {
    color: var(--gray);
    line-height: 1.6;
}

.faq-section {
    background: var(--light-gray);
    padding: 80px 0;
}

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

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--light-green);
}

.faq-question h3 {
    color: var(--dark-gray);
    font-size: 1.1rem;
    margin: 0;
}

.faq-question i {
    color: var(--primary-green);
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray);
    line-height: 1.6;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.contact-section {
    background: var(--white);
    padding: 80px 0;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    color: var(--primary-green);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-green);
    margin-right: 1rem;
    width: 30px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-family: inherit;
    transition: var(--transition);
}

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

.submit-btn {
    background: var(--primary-green);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
}

.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 60px 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(--primary-green);
    margin-bottom: 1rem;
}

.footer-section .slogan {
    font-style: italic;
    color: var(--light-green);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray);
    color: var(--gray);
}

.footer-quote {
    display: block;
    text-align: center;
    font-weight: bold;
    font-size: 1.3rem;
    color: var(--primary-green);
    border: 2.5px solid var(--primary-green);
    border-radius: 18px;
    padding: 0.7rem 2.5rem;
    margin: 0 auto 1.5rem auto;
    max-width: 600px;
    box-shadow: 0 2px 10px rgba(46, 139, 87, 0.08);
    background: #fff;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .product-showcase {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    .product-features-compact {
        grid-template-columns: 1fr;
        gap: 0.3rem;
    }
    .featured-product {
        padding: 30px 0;
    }
    .featured-product h2 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    .featured-product-img {
        max-width: 350px;
        margin-bottom: 0.8rem;
    }
    .product-image .cta-button {
        max-width: 100%;
    }
    .pricing-table-container {
        margin: 0.6rem 0 0 0;
        padding: 0.7rem;
    }
    .contact-content {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .tips-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    .services-overview h2,
    .featured-product h2,
    .tips-section h2,
    .faq-section h2,
    .contact-section h2 {
        font-size: 1.6rem;
    }
    .featured-product {
        padding: 25px 0;
    }
    .featured-product h2 {
        font-size: 1.5rem;
        margin-bottom: 0.8rem;
    }
    .product-showcase {
        gap: 1rem;
    }
    .product-info h3 {
        font-size: 1.3rem;
        margin-bottom: 0.6rem;
    }
    .product-info li {
        font-size: 0.9rem;
        padding: 0.2rem 0;
    }
    .product-features-compact {
        margin-bottom: 0.8rem;
        gap: 0.2rem 1rem;
    }
    .pricing-table-container {
        margin: 0.5rem 0 0 0;
        padding: 0.6rem;
    }
    .featured-product-img {
        margin-bottom: 0.7rem;
    }
}

html {
    scroll-behavior: smooth;
}

.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

.branding-header {
    width: 100%;
    position: relative;
    padding: 2.5rem 0 0 0;
    box-sizing: border-box;
    overflow: hidden;
    margin-bottom: 0;
    min-height: 180px;
}

@media (max-width: 768px) {
    .branding-header {
        padding: 1.5rem 0 0 0;
        min-height: 150px;
    }
}

@media (max-width: 480px) {
    .branding-header {
        padding: 1rem 0 0 0;
        min-height: 130px;
    }
}

.branding-slideshow-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.branding-slideshow-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.branding-slide-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: opacity;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.branding-slide-bg.active {
    opacity: 1;
    z-index: 1;
}

.branding-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.0);
    z-index: 2;
}

.branding-row {
    display: flex;
    align-items: flex-start;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 3;
    padding-left: 1rem;
    padding-right: 1rem;
    justify-content: flex-start;
}

@media (max-width: 768px) {
    .branding-row {
        gap: 1.5rem;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .branding-row {
        gap: 1rem;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

.branding-logo {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    height: 100%;
    margin-left: -1rem;
}

.main-logo-img {
    height: 120px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 4px 16px rgba(46, 139, 87, 0.13));
    aspect-ratio: 140 / 120;
}

@media (max-width: 768px) {
    .main-logo-img {
        height: 90px;
        max-width: 105px;
    }
}

@media (max-width: 480px) {
    .main-logo-img {
        height: 70px;
        max-width: 82px;
    }
}

.branding-titles {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex: 1;
    min-width: 0;
}

.company-name-container {
    position: relative;
    width: 100%;
    text-align: center;
}

.company-name {
    font-size: 3.5rem;
    font-weight: 900;
    color: #2ecc40;
    font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
    margin: 0;
    letter-spacing: 0.5px;
    line-height: 1.1;
    text-align: left;
    width: 100%;
    white-space: nowrap;
}

@media (max-width: 1024px) {
    .company-name {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .company-name {
        font-size: 2rem;
        white-space: normal;
    }
}

@media (max-width: 480px) {
    .company-name {
        font-size: 1.5rem;
        line-height: 1.2;
    }
}

.solar-word {
    position: relative;
    display: inline-block;
}

.catch-sun-tagline {
    position: absolute;
    top: 100%;
    left: 0;
    font-size: 1.2rem;
    color: #d32f2f;
    font-weight: 900;
    letter-spacing: 0.3px;
    text-shadow: 1px 1px 3px rgba(211, 47, 47, 0.3);
    white-space: nowrap;
    margin-top: 0.2rem;
}

@media (max-width: 768px) {
    .catch-sun-tagline {
        font-size: 1rem;
        position: static;
        margin-top: 0.5rem;
    }
}

@media (max-width: 480px) {
    .catch-sun-tagline {
        font-size: 0.85rem;
    }
}

.tagline {
    color: #b80000;
    font-style: italic;
    font-weight: 700;
    text-decoration: underline;
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.slogan-container {
    position: relative;
    background: var(--primary-green);
    color: var(--white);
    font-weight: 700;
    font-size: 1.5rem;
    padding: 0.7rem 2.2rem;
    margin-top: 0.5rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(46, 139, 87, 0.08);
    letter-spacing: 0.5px;
    width: 100%;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 8px;
}

.tagline-relocated {
    position: absolute;
    bottom: -0.8rem;
    left: 50%;
    transform: translateX(-50%);
    color: #b80000;
    font-style: italic;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    background: white;
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    min-width: max-content;
}

@media (max-width: 1024px) {
    .slogan-container {
        font-size: 1.1rem;
        padding: 0.5rem 1.2rem;
        max-width: 100%;
    }
    .tagline-relocated {
        font-size: 0.8rem;
        right: 1rem;
        bottom: -0.6rem;
        padding: 0.15rem 0.6rem;
    }
}

@media (max-width: 768px) {
    .slogan-container {
        font-size: 0.95rem;
        padding: 0.4rem 0.7rem;
        margin-top: 0.3rem;
    }
    .tagline-relocated {
        font-size: 0.7rem;
        right: 0.7rem;
        bottom: -0.5rem;
        padding: 0.1rem 0.4rem;
    }
}

@media (max-width: 480px) {
    .slogan-container {
        font-size: 0.7rem;
        padding: 0.3rem 0.4rem;
        margin-top: 0.2rem;
    }
    .tagline-relocated {
        font-size: 0.6rem;
        right: 0.4rem;
        bottom: -0.4rem;
        padding: 0.1rem 0.3rem;
    }
}

.hero-slideshow {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(67, 184, 67, 0.04);
    margin-top: 0;
    aspect-ratio: 16 / 9;
    min-height: 400px;
}

.hero-slideshow-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.hero-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: opacity;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.20), rgba(0, 0, 0, 0.05));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    height: 100%;
    padding: 2rem 20px;
    gap: 1.5rem;
}

.hero-text {
    font-size: 1.3rem;
    color: #fff;
    font-weight: 500;
    margin: 0;
    line-height: 1.8;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.7);
    letter-spacing: 0.3px;
    max-width: 900px;
}

.hero-cta-btn {
    display: inline-block;
    background: #fff;
    color: var(--primary-green) !important;
    font-size: 1.35rem;
    font-weight: 800;
    padding: 1.1rem 2.8rem;
    border-radius: 12px;
    border: none;
    box-shadow: 0 2px 12px rgba(67, 184, 67, 0.13);
    transition: background 0.18s, color 0.18s, transform 0.18s, box-shadow 0.18s;
    text-decoration: none;
    margin-top: 0.5rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    text-shadow: 0 1px 2px #eee;
}

.hero-cta-btn:hover,
.hero-cta-btn:focus {
    background: var(--primary-green);
    color: #fff !important;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 6px 24px rgba(67, 184, 67, 0.18);
    text-decoration: none;
}

@media (max-width: 768px) {
    .hero-slideshow {
        height: 500px;
        min-height: 350px;
        -webkit-overflow-scrolling: touch;
    }
    .hero-slide {
        transition: opacity 1.2s ease-in-out;
    }
    .hero-text {
        font-size: 1.1rem;
        line-height: 1.6;
    }
    .hero-cta-btn {
        font-size: 1.05rem;
        padding: 0.8rem 1.5rem;
        touch-action: manipulation;
    }
    .hero-content {
        gap: 1.2rem;
        padding: 1.5rem 20px;
    }
    .hero-slide-indicators {
        bottom: 15px;
        gap: 8px;
    }
    .hero-slide-indicators .indicator {
        width: 10px;
        height: 10px;
        touch-action: manipulation;
    }
    .about-us-section {
        padding: 60px 0;
    }
    .about-us-content p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-slideshow {
        height: 450px;
        min-height: 300px;
        -webkit-overflow-scrolling: touch;
    }
    .hero-slide {
        transition: opacity 1s ease-in-out;
    }
    .hero-text {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    .hero-cta-btn {
        font-size: 0.95rem;
        padding: 0.6rem 0.8rem;
        touch-action: manipulation;
    }
    .hero-content {
        gap: 1rem;
        padding: 1rem 15px;
    }
    .hero-slide-indicators {
        bottom: 15px;
        gap: 6px;
    }
    .hero-slide-indicators .indicator {
        width: 10px;
        height: 10px;
        touch-action: manipulation;
    }
    .about-us-section {
        padding: 40px 0;
    }
    .about-us-content p {
        font-size: 0.95rem;
        text-align: left;
    }
}

.hero-slide-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.hero-slide-indicators .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.8);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.hero-slide-indicators .indicator:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.hero-slide-indicators .indicator.active {
    background: #fff;
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.about-us-section {
    background: var(--white);
    padding: 80px 0;
    position: relative;
}

.about-us-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 4px;
    background: var(--primary-green);
    border-radius: 2px;
}

.about-us-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-us-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.about-us-content p:last-child {
    margin-bottom: 0;
}

.hero-slogan {
    color: #fff;
    font-size: 1.25rem;
    font-style: italic;
    font-weight: 500;
    margin: 0.7rem 0 0.5rem 0;
    text-align: center;
    display: block;
    text-shadow: 0 2px 12px rgba(67, 184, 67, 0.18), 0 1px 2px #222;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .hero-slogan {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-slogan {
        font-size: 0.85rem;
    }
}

.featured-product-img {
    display: block;
    margin: 0 auto 1rem auto;
    max-width: 420px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 16px rgba(67, 184, 67, 0.13));
    border-radius: 12px;
}

.product-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.pricing-table-container {
    margin: 0.8rem 0 0 0;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 0.8rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.pricing-table-container h4 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-size: 0.85rem;
}

.pricing-table thead {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: var(--white);
}

.pricing-table th {
    padding: 0.5rem 0.4rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.pricing-table th:last-child {
    border-right: none;
}

.pricing-table tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid rgba(67, 184, 67, 0.1);
}

.pricing-table tbody tr:last-child {
    border-bottom: none;
}

.pricing-table tbody tr:hover {
    background: rgba(67, 184, 67, 0.08);
    transform: scale(1.01);
}

.pricing-table td {
    padding: 0.5rem 0.35rem;
    text-align: center;
    color: var(--dark-gray);
    font-size: 0.8rem;
    border-right: 1px solid rgba(67, 184, 67, 0.1);
    line-height: 1.3;
}

.pricing-table td:last-child {
    border-right: none;
}

.pricing-table td:first-child {
    font-weight: 600;
    color: var(--primary-green);
    font-size: 0.85rem;
}

.pricing-table td:nth-child(3),
.pricing-table td:nth-child(4) {
    font-weight: 700;
    color: var(--dark-green);
    font-size: 0.85rem;
}

.pricing-note {
    text-align: center;
    color: var(--white);
    font-size: 0.75rem;
    margin-top: 0.5rem;
    font-style: italic;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    line-height: 1.3;
}

@media (max-width: 768px) {
    .pricing-table-container {
        padding: 0.8rem;
        margin: 1rem 0;
    }
    .pricing-table-container h4 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    .pricing-table th,
    .pricing-table td {
        padding: 0.5rem 0.3rem;
        font-size: 0.75rem;
    }
    .pricing-table td:nth-child(3),
    .pricing-table td:nth-child(4) {
        font-size: 0.75rem;
    }
    .pricing-note {
        font-size: 0.7rem;
        margin-top: 0.5rem;
    }
}

@media (max-width: 480px) {
    .pricing-table-container {
        padding: 0.6rem;
        margin: 0.8rem 0;
    }
    .pricing-table-container h4 {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
    .pricing-table {
        font-size: 0.7rem;
    }
    .pricing-table th {
        padding: 0.4rem 0.2rem;
        font-size: 0.65rem;
    }
    .pricing-table td {
        padding: 0.4rem 0.2rem;
        font-size: 0.65rem;
    }
    .pricing-table td:nth-child(3),
    .pricing-table td:nth-child(4) {
        font-size: 0.7rem;
    }
    .pricing-note {
        font-size: 0.65rem;
        margin-top: 0.4rem;
    }
}

.section-heading {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 3rem;
    position: relative;
}

.section-heading::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-green);
    border-radius: 2px;
}

.card-icon {
    text-align: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.repair-maintenance-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #ffffff 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.repair-maintenance-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-green), var(--primary-green));
}

.repair-maintenance-section::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 1px;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 20px,
        rgba(60, 179, 113, 0.3) 20px,
        rgba(60, 179, 113, 0.3) 22px
    );
}

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

.repair-maintenance-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(60, 179, 113, 0.2);
    text-align: center;
    clip-path: polygon(0 0, 100% 0, 100% 95%, 95% 100%, 0 100%);
}

.repair-maintenance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-green), var(--primary-green));
}

.repair-maintenance-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(60, 179, 113, 0.02) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.repair-maintenance-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 25px rgba(60, 179, 113, 0.15);
    border-color: var(--secondary-green);
}

.repair-maintenance-card:hover::after {
    transform: translateX(100%);
}

.repair-maintenance-card .card-icon {
    text-align: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.repair-maintenance-card .card-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: conic-gradient(from 0deg, rgba(60, 179, 113, 0.1), transparent, rgba(60, 179, 113, 0.1));
    border-radius: 50%;
    z-index: -1;
    animation: rotate 4s linear infinite;
}

.repair-maintenance-card .card-icon i {
    font-size: 3rem;
    color: var(--secondary-green);
    background: linear-gradient(135deg, var(--secondary-green), var(--dark-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 4px rgba(60, 179, 113, 0.2));
    transition: all 0.3s ease;
}

.repair-maintenance-card:hover .card-icon i {
    transform: scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(60, 179, 113, 0.4));
}

.repair-maintenance-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    position: relative;
    line-height: 1.3;
    text-transform: none;
    letter-spacing: normal;
}

.repair-maintenance-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--secondary-green);
    border-radius: 1px;
}

.repair-maintenance-card h3::before {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 15px;
    height: 2px;
    background: var(--dark-green);
    border-radius: 1px;
}

.repair-maintenance-card p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.6;
    margin: 0;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .repair-maintenance-section {
        padding: 60px 0;
    }
    .repair-maintenance-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    .repair-maintenance-card {
        padding: 2rem;
    }
    .repair-maintenance-card .card-icon i {
        font-size: 2.5rem;
    }
    .repair-maintenance-card h3 {
        font-size: 1.2rem;
    }
    .repair-maintenance-card p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .repair-maintenance-section {
        padding: 40px 0;
    }
    .repair-maintenance-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .repair-maintenance-card {
        padding: 1.5rem;
    }
    .repair-maintenance-card .card-icon i {
        font-size: 2rem;
    }
    .repair-maintenance-card h3 {
        font-size: 1.1rem;
    }
    .repair-maintenance-card p {
        font-size: 0.9rem;
    }
}

@media (max-width: 1024px) {
    .nav-menu.nav-horizontal {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .nav-menu.nav-horizontal {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        grid-template-columns: 1fr;
        gap: 0;
        padding: 80px 1rem 2rem;
        margin: 0;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        overflow-y: auto;
        z-index: 1000;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    .nav-menu.nav-horizontal.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-item {
        width: 100%;
        margin: 0;
    }
    .nav-btn,
    .nav-btn-green,
    .nav-btn-white {
        font-size: 1rem;
        min-height: 60px;
        padding: 1rem;
        width: 100%;
        border-radius: 8px;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hamburger {
        width: 35px;
        height: 35px;
    }
    .nav-menu.nav-horizontal {
        padding: 70px 1rem 1.5rem;
    }
    .nav-btn,
    .nav-btn-green,
    .nav-btn-white {
        font-size: 0.95rem;
        min-height: 55px;
        padding: 0.9rem;
    }
}

.mega-sun-technology.compact-complete {
    padding: 50px 0;
}

.compact-complete-content {
    max-width: 1200px;
    margin: 0 auto;
}

.complete-intro {
    margin-bottom: 2.5rem;
}

.lead-paragraph {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: center;
}

.highlight-phrase {
    color: var(--primary-green);
    font-style: italic;
    font-weight: 600;
}

.research-details {
    margin-bottom: 1.5rem;
}

.research-details p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray);
    margin-bottom: 1rem;
    text-align: justify;
}

.certification-assurance {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: linear-gradient(135deg, rgba(67, 184, 67, 0.05), rgba(67, 184, 67, 0.02));
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(67, 184, 67, 0.1);
}

.certifications h4,
.assurance h4 {
    color: var(--primary-green);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cert-badge {
    background: var(--primary-green);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.assurance p {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--gray);
    margin: 0;
}

.sizes-section-complete {
    margin: 2.5rem 0;
}

.sizes-section-complete h3 {
    text-align: center;
    color: var(--primary-green);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.sizes-grid-complete {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.size-card-complete {
    background: var(--white);
    padding: 1.2rem;
    border-radius: 10px;
    text-align: center;
    border: 2px solid rgba(67, 184, 67, 0.15);
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.size-card-complete:hover {
    transform: translateY(-3px);
    border-color: var(--primary-green);
    box-shadow: 0 4px 15px rgba(67, 184, 67, 0.15);
}

.size-main {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.3rem;
}

.size-alt {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.size-desc {
    font-size: 0.9rem;
    color: var(--dark-gray);
    font-weight: 500;
}

.tech-comparison-complete {
    margin: 2.5rem 0;
}

.tech-comparison-complete h3 {
    text-align: center;
    color: var(--dark-gray);
    font-size: 1.4rem;
    margin-bottom: 2rem;
}

.comparison-complete-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.tech-system-complete {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
}

.tube-system {
    border-color: rgba(67, 184, 67, 0.2);
}

.flat-system {
    border-color: rgba(108, 117, 125, 0.2);
}

.tech-header-complete {
    text-align: center;
    margin-bottom: 1.2rem;
}

.tech-image-complete {
    margin-bottom: 0.8rem;
}

.system-img-complete {
    width: 100%;
    max-width: 220px;
    height: 140px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.image-label-complete {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--gray);
    font-style: italic;
}

.tech-header-complete h4 {
    color: var(--dark-gray);
    font-size: 1.2rem;
    margin: 0;
}

.tech-details-complete p {
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--gray);
    margin-bottom: 1rem;
    text-align: justify;
}

.tech-details-complete p:last-child {
    margin-bottom: 0;
}

.technical-sections-collapsible {
    margin-top: 2rem;
}

.tech-collapsible-item {
    background: var(--white);
    border-radius: 8px;
    margin-bottom: 0.8rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(67, 184, 67, 0.1);
    overflow: hidden;
}

.tech-collapsible-header {
    padding: 1.2rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
    background: rgba(67, 184, 67, 0.03);
}

.tech-collapsible-header:hover {
    background: rgba(67, 184, 67, 0.06);
}

.tech-collapsible-header h4 {
    color: var(--dark-gray);
    font-size: 1.05rem;
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-collapsible-header i {
    color: var(--primary-green);
    transition: transform 0.3s ease;
}

.tech-collapsible-item.active .tech-collapsible-header i {
    transform: rotate(180deg);
}

.tech-collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1.5rem;
}

.tech-collapsible-item.active .tech-collapsible-content {
    max-height: 1000px;
    padding: 0 1.5rem 1.5rem;
}

.tech-collapsible-content p {
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--gray);
    margin-bottom: 1rem;
    text-align: justify;
}

.tech-collapsible-content p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .mega-sun-technology.compact-complete {
        padding: 40px 0;
    }
    .certification-assurance {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .comparison-complete-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .system-img-complete {
        max-width: 180px;
        height: 120px;
    }
    .tech-collapsible-header {
        padding: 1rem 1.2rem;
    }
    .tech-collapsible-content {
        padding: 0 1.2rem;
    }
    .tech-collapsible-item.active .tech-collapsible-content {
        padding: 0 1.2rem 1.2rem;
    }
}

@media (max-width: 480px) {
    .sizes-grid-complete {
        grid-template-columns: repeat(2, 1fr);
    }
    .cert-badges {
        justify-content: center;
    }
    .cert-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    .tech-collapsible-header h4 {
        font-size: 1rem;
    }
}