/* 
   MM BROTHERS SOLAR SOLUTION - Premium Design System & Stylesheet
   Color combination: White + Dark Blue + Solar Yellow + Eco Green Gradient
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- Core Custom Variables --- */
:root {
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Light Theme Variables (Default) */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-card-bg: #ffffff;
    --color-card-border: rgba(226, 232, 240, 0.8);
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-primary: #0f2c59;
    /* Rich Deep Corporate Navy Blue */
    --color-primary-rgb: 15, 44, 89;
    --color-secondary: #0d9488;
    /* Teal/Eco Green */
    --color-accent-yellow: #fbbf24;
    /* Solar Gold */
    --color-accent-yellow-rgb: 251, 191, 36;
    --color-accent-green: #10b981;
    /* Bright Eco Green */
    --color-accent-green-rgb: 16, 185, 129;

    --gradient-solar: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-green) 50%, var(--color-accent-yellow) 100%);
    --gradient-eco: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-primary: linear-gradient(135deg, #0f2c59 0%, #1e40af 100%);
    --gradient-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px -2px rgba(15, 44, 89, 0.08);
    --shadow-lg: 0 10px 30px -5px rgba(15, 44, 89, 0.12);
    --shadow-glow: 0 0 25px rgba(251, 191, 36, 0.35);

    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-blur: blur(12px);

    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}



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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s, color 0.4s;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: inherit;
    line-height: 1.25;
}

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

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

ul {
    list-style: none;
}

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

/* --- Premium Typography Utilities --- */
.gradient-text {
    background: linear-gradient(135deg, #0f2c59 0%, var(--color-accent-green) 50%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}


.text-eco-green {
    color: var(--color-accent-green);
}

.text-solar-gold {
    color: var(--color-accent-yellow);
}

/* --- Custom Layout Containers --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-green);
    margin-bottom: 0.75rem;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

/* --- Premium Buttons & Components --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff !important;
}

.btn-primary:hover {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: var(--gradient-gold);
    color: #0f172a !important;
    border: none;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
}

.btn-accent:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-eco {
    background: var(--gradient-eco);
    color: #ffffff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-eco:hover {
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border-color: var(--color-text);
    color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-text);
    color: var(--color-bg);
    transform: translateY(-2px);
}

/* --- Header / Navigation Menu --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgb(255 255 255);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--color-card-border);
    transition: var(--transition);
}

header.sticky {
    padding: 0.25rem 0;
    background: var(--color-bg);
    box-shadow: var(--shadow-md);
}

header.sticky .logo-img {
    height: 64px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.6rem;

}

.logo-img {
    height: 80px;
    width: auto;
    object-fit: contain;

    transition: var(--transition);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 850;
    line-height: 1.05;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.logo-text span {
    font-size: 0.7rem;
    font-weight: 700;
    display: block;
    color: var(--color-accent-green);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    position: relative;
    padding: 0.5rem 0.15rem;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text);
    opacity: 0.9;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent-green);
    opacity: 1;
}

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

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

/* Mega Menu Dropdowns */
.nav-item-dropdown {
    position: relative;
}

.nav-item-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    width: 720px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    white-space: normal;
    text-transform: none;
}

.mega-menu-link {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: 10px;
    transition: var(--transition);
}

.mega-menu-link:hover {
    background: var(--color-bg-alt);
    transform: translateX(5px);
}

.mega-menu-icon {
    font-size: 1.25rem;
    color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.5rem;
    border-radius: 8px;
}

.mega-menu-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.mega-menu-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Dark Mode Toggler */
.theme-toggle {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-card-border);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-text);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--color-text);
}

/* --- Hero Banner Section --- */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 650px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
    display: flex;
    align-items: center;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-bg {
    position: absolute;
    top: -2%;
    left: -2%;
    width: 104%;
    height: 104%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.4);
    transform: scale(1.06);
    transition: transform 6s ease-out;
}

.slide.active .slide-bg {
    transform: scale(1.01);
}

.slide-content {
    position: relative;
    z-index: 3;
    color: #ffffff;
    max-width: 660px;
    padding-top: 5rem;
}

.slide-tag {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-yellow);
    font-size: 1rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: fadeInUp 0.8s ease forwards;
}

.slide-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.2s;
}

.slide-desc {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #e2e8f0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.4s;
}

.slide-btns {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.6s;
}

/* Statistics Badges Overlay */
.hero-stats {
    position: absolute;
    bottom: 2rem;
    left: 0;
    width: 100%;
    z-index: 4;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    background: rgba(15, 25, 53, 0.75);
    backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem;
}

.stat-card {
    text-align: center;
    color: #ffffff;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-card:last-child {
    border-right: none;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-accent-yellow);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: #cbd5e1;
    font-weight: 500;
}

/* Slider Controls */
.slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    transition: var(--transition);
}

.slider-control:hover {
    background: var(--color-accent-green);
    color: #ffffff;
}

.slider-prev {
    left: 2rem;
}

.slider-next {
    right: 2rem;
}

/* --- About Company Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.about-visuals {
    position: relative;
}

.about-img-main {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background: var(--gradient-solar);
    color: #ffffff;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 250px;
}

.about-badge-years {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    display: block;
    line-height: 1;
    color: var(--color-accent-yellow);
}

.about-badge-text {
    font-size: 0.95rem;
    font-weight: 600;
}

.about-points {
    margin: 2rem 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.about-point-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.about-point-icon {
    color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.35rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.about-point-text {
    font-size: 0.95rem;
    font-weight: 600;
}

/* --- Premium Grid / Service Cards --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent-green);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-solar);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 200px;
}

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

.service-card:hover .service-card-img {
    transform: scale(1.08);
}

.service-card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(15, 44, 89, 0.85);
    backdrop-filter: var(--glass-blur);
    color: var(--color-accent-yellow);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.service-card-content {
    padding: 1.75rem;
}

.service-card-icon {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--color-accent-green);
    display: inline-block;
}

.service-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-card-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.service-card-btn {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-card:hover .service-card-btn {
    color: var(--color-accent-green);
}

/* --- Solar Brands Marquee --- */
.brands-section {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-card-border);
    border-bottom: 1px solid var(--color-card-border);
    padding: 3rem 0;
}

.brands-container {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.brands-slider-track {
    display: flex;
    width: calc(250px * 10);
    animation: scrollBrands 20s linear infinite;
    gap: 3rem;
}

.brand-slide {
    width: 200px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--shadow-sm);
}

.brand-slide img,
.brand-slide svg {
    max-height: 50px;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(0.8) contrast(0.95);
    opacity: 0.75;
    transition: var(--transition);
}

.brand-slide:hover img,
.brand-slide:hover svg {
    filter: grayscale(0) contrast(1);
    opacity: 1;
    transform: scale(1.05);
}

@keyframes scrollBrands {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-250px * 5));
    }
}

/* --- Interactive Solar Calculator Section --- */
.calculator-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
}

.calculator-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.calc-group {
    margin-bottom: 1.75rem;
}

.calc-label {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.calc-val {
    color: var(--color-accent-green);
    font-weight: 700;
}

.calc-slider {
    width: 100%;
    height: 6px;
    background: var(--color-bg-alt);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-accent-green);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
    transition: var(--transition);
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.calc-select-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.calc-select-btn {
    border: 1px solid var(--color-card-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    padding: 0.875rem;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.calc-select-btn.active {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-accent-green);
    color: var(--color-accent-green);
}

.calculator-results {
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.calculator-results::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: var(--color-accent-yellow);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.results-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1.5rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.result-item-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #94a3b8;
    margin-bottom: 0.25rem;
}

.result-item-val {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent-yellow);
}

.savings-highlight {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    margin-bottom: 2rem;
}

.savings-label {
    font-size: 0.9rem;
    color: #e2e8f0;
}

.savings-val {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-accent-green);
    margin: 0.25rem 0;
}

/* --- Project Gallery & Filter --- */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    border: 1px solid var(--color-card-border);
    background: var(--color-card-bg);
    color: var(--color-text);
    padding: 0.625rem 1.5rem;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 44, 89, 0.9) 0%, rgba(15, 44, 89, 0.2) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-cat {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-accent-yellow);
    letter-spacing: 2px;
}

.gallery-title {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(7, 13, 25, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 85%;
    max-height: 80%;
    position: relative;
}

.lightbox-img {
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    max-height: 80vh;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* --- Why Choose Us Section --- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.why-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-green);
}

.why-icon {
    font-size: 2.5rem;
    color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.1);
    padding: 1rem;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    display: inline-block;
    width: 80px;
    height: 80px;
    line-height: 80px;
}

.why-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.why-desc {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* --- Customer Testimonials --- */
.testimonial-carousel {
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-item {
    min-width: 100%;
    padding: 1rem 3rem;
}

.testimonial-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
}

.testimonial-quote {
    font-size: 1.25rem;
    color: var(--color-text);
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.testimonial-author-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.testimonial-img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-accent-green);
}

.testimonial-author-name {
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-author-title {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.testimonial-rating {
    color: var(--color-accent-yellow);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-card-border);
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-dot.active {
    background: var(--color-accent-green);
    transform: scale(1.2);
}

/* --- B2B Distributor Recruitment --- */
.distributor-cta {
    background: linear-gradient(135deg, rgba(15, 44, 89, 0.95) 0%, rgba(16, 185, 129, 0.95) 100%), url('../assets/images/industrial_solar.png');
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
    padding: 5rem 3rem;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

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

.distributor-points-list {
    margin: 2rem 0;
}

.distributor-point {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.distributor-point i {
    color: var(--color-accent-yellow);
    font-size: 1.25rem;
}

.distributor-form-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    color: var(--color-text);
    box-shadow: var(--shadow-lg);
}

.distributor-form-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    border-radius: 10px;
    border: 1px solid var(--color-card-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    outline: none;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-accent-green);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* --- FAQs Accordion --- */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    padding: 1.25rem 2rem;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--color-bg-alt);
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    padding: 0 2rem 1.5rem 2rem;
    max-height: 1000px;
}

.faq-icon {
    font-size: 1rem;
    color: var(--color-accent-green);
    transition: var(--transition);
}

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

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.contact-info-card {
    display: flex;
    gap: 1.25rem;
}

.contact-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(15, 44, 89, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}


.contact-info-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-info-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.mock-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 250px;
    border: 1px solid var(--color-card-border);
}

.mock-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* --- Footer Area --- */
footer {
    background: #060b13;
    color: #cbd5e1;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 5rem 0 2rem 0;
    font-size: 0.95rem;
}

footer .logo-wrapper {
    background-color: #ffffff;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    display: inline-flex;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-title {
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent-green);
}

.footer-desc {
    color: #94a3b8;
    margin-bottom: 1.5rem;
}

.footer-socials {
    display: flex;
    gap: 0.75rem;
}

.footer-social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social-btn:hover {
    background: var(--color-accent-green);
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #94a3b8;
}

.footer-links a:hover {
    color: var(--color-accent-green);
    transform: translateX(5px);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-radius: 30px;
    padding: 0.75rem 1.25rem;
    outline: none;
    flex-grow: 1;
}

.newsletter-input::placeholder {
    color: #64748b;
}

.newsletter-btn {
    background: var(--color-accent-green);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-btn:hover {
    background: #059669;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #64748b;
    font-size: 0.875rem;
}

.footer-certifications {
    display: flex;
    gap: 1.5rem;
}

.cert-badge {
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* --- WhatsApp and Call Action Buttons --- */
.floating-actions {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    cursor: pointer;
}

.float-whatsapp {
    background: #25d366;
}

.float-whatsapp:hover {
    background: #128c7e;
    transform: scale(1.1) rotate(10deg);
}

.float-call {
    background: var(--color-primary);
}

.float-call:hover {
    transform: scale(1.1);
}

/* --- Inline Page Banner Components --- */
.page-banner {
    background: linear-gradient(135deg, rgba(15, 44, 89, 0.95) 0%, rgba(11, 19, 43, 0.9) 100%), url('../assets/images/hero_solar_rooftop.png');
    background-size: cover;
    background-position: center;
    padding: 10rem 0 6rem 0;
    color: #ffffff;
    text-align: center;
}

.page-banner-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.page-breadcrumbs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    color: #94a3b8;
    font-weight: 500;
}

.page-breadcrumbs a {
    color: var(--color-accent-green);
}

/* --- Interactive Popups (CRM ready) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(7, 13, 25, 0.85);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--border-radius);
    padding: 3rem;
    width: 100%;
    max-width: 550px;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: fadeInUp 0.4s ease;
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--color-text);
}

/* CRM Lead Success State */
.success-card {
    text-align: center;
}

.success-icon {
    font-size: 4rem;
    color: var(--color-accent-green);
    margin-bottom: 1.5rem;
}

/* Keyframes animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* --- Mobile Responsiveness Media Queries --- */
@media (max-width: 1024px) {
    .hero-stats {
        position: static;
        margin-top: -3rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .about-grid,
    .calculator-grid,
    .contact-grid,
    .distributor-cta-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .slide-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav-menu {
        display: none;
        /* Mobile menu toggled via script classes */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-card-bg);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--color-card-border);
        box-shadow: var(--shadow-lg);
    }

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

    .mega-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        border: none;
        padding: 0.5rem 0 0 1rem;
        grid-template-columns: 1fr;
        gap: 0.5rem;
        background: transparent;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-item-dropdown:hover .mega-menu {
        display: grid;
    }

    .mega-menu-link {
        padding: 0.5rem;
        gap: 0.75rem;
    }

    .mega-menu-icon {
        font-size: 1rem;
        padding: 0.4rem;
    }

    .mega-menu-title {
        font-size: 0.9rem;
    }

    .mega-menu-desc {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .gallery-filters {
        flex-wrap: wrap;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .slider-control {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {

    .gallery-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }

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