:root {
    --primary-color: #0066cc; /* Premium Blue */
    --secondary-color: #28a745; /* Solar Green */
    --accent-color: #ffc107; /* Sun Yellow */
    --dark-color: #0a192f;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #28a745 100%);
    --gradient-dark: linear-gradient(135deg, #0a192f 0%, #112240 100%);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

body {
    font-family: var(--font-body);
    color: #444;
    overflow-x: hidden;
    background-color: #fff;
}

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

/* Typography & Utilities */
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.bg-gradient-primary { background: var(--gradient-primary) !important; }

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 102, 204, 0.2);
    background: var(--gradient-primary);
    opacity: 0.9;
}

.section-padding {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-title .line {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    display: inline-block;
    border-radius: 2px;
}

/* Topbar */
.topbar {
    background-color: var(--light-color);
    font-size: 0.85rem;
    color: #666;
}

.topbar-social a {
    color: #666;
    transition: color 0.3s;
}

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

/* Navbar */
.navbar {
    transition: all 0.3s;
    padding: 15px 0;
}

.navbar.sticky-top {
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.nav-link {
    font-weight: 600;
    color: var(--dark-color) !important;
    padding: 10px 15px !important;
    transition: color 0.3s;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

.dropdown-menu {
    border-radius: 10px;
    padding: 15px;
}

.dropdown-item {
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
}

.dropdown-item:hover {
    background-color: rgba(0, 102, 204, 0.05);
    color: var(--primary-color);
}

/* Hero Section */
.hero-slider {
    position: relative;
    height: 90vh;
    overflow: hidden;
}

.hero-item {
    height: 90vh;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.4);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: #fff;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4rem;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Service Cards */
.service-card {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #f0f0f0;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.service-card .icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 102, 204, 0.05);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: 15px;
    margin-bottom: 25px;
    transition: all 0.3s;
}

.service-card:hover .icon {
    background: var(--gradient-primary);
    color: #fff;
}

/* Counter Section */
.counter-box {
    text-align: center;
    padding: 30px;
}

.counter-box h3 {
    font-size: 3rem;
    margin-bottom: 5px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.counter-box p {
    font-weight: 600;
    color: #666;
    margin-bottom: 0;
}

/* Process Timeline */
.process-item {
    text-align: center;
    position: relative;
}

.process-icon {
    width: 100px;
    height: 100px;
    background: #fff;
    border: 2px dashed var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--primary-color);
    z-index: 1;
    position: relative;
}

.process-number {
    position: absolute;
    top: 0;
    right: 20%;
    width: 30px;
    height: 30px;
    background: var(--secondary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: #fff;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Floating Buttons */
.floating-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.floating-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: all 0.3s;
    border: none;
}

.floating-btn:hover {
    transform: scale(1.1);
    color: #fff;
}

.whatsapp { background-color: #25d366; }
.call { background-color: #0066cc; }
.quote-popup { background: var(--gradient-primary); }

/* Solar Calculator */
.calculator-card {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.calc-result {
    background: var(--light-color);
    padding: 30px;
    border-radius: 15px;
    margin-top: 30px;
}

/* Project Cards */
.project-card {
    height: 350px;
    cursor: pointer;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.project-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 60%);
    opacity: 0.9;
    transition: all 0.3s;
}

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

/* Blog Cards */
.blog-card {
    transition: all 0.3s;
    background: #fff;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.blog-card img {
    height: 220px;
    width: 100%;
    object-fit: cover;
}

.icon-circle {
    width: 50px;
    height: 50px;
    background: rgba(0, 102, 204, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 991px) {
    .hero-content h1 { font-size: 3rem; }
    .section-padding { padding: 60px 0; }
}

@media (max-width: 767px) {
    .hero-content h1 { font-size: 2.5rem; }
    .topbar { display: none; }
}