:root {
    --primary-gradient: linear-gradient(135deg, #6b7280 0%, #374151 100%);
    --primary-color: #6b7280;
    --secondary-color: #374151;
    --dark-color: #1f2937;
    --light-bg: #f9fafb;
    --accent-gold: #d4af37;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Navbar Custom */
.navbar {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.nav-link {
    font-weight: 500;
    color: #333 !important;
    margin: 0 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

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

.btn-wa-nav {
    background: #25D366 !important;
    color: white !important;
    border-radius: 50px;
    padding: 0.5rem 1.5rem !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-wa-nav:hover {
    background: #128C7E !important;
    transform: scale(1.05);
}

/* Hero Carousel */
.hero-carousel {
    margin-top: 76px;
    height: 90vh;
}

.carousel-item {
    position: relative;
}

.carousel-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(107, 114, 128, 0.5);
    z-index: 1;
}

/* .hero-bg-1 {
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.85) 0%, rgba(55, 65, 81, 0.85) 100%), 
                url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1920') center/cover;
}

.hero-bg-2 {
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.85) 0%, rgba(55, 65, 81, 0.85) 100%), 
                url('https://images.unsplash.com/photo-1600210492493-0946911123ea?w=1920') center/cover;
}

.hero-bg-3 {
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.85) 0%, rgba(55, 65, 81, 0.85) 100%), 
                url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1920') center/cover;
} */

.carousel-caption {
    z-index: 2;
    top: 50%;
    transform: translateY(-50%);
    bottom: auto;
}

.carousel-caption h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.carousel-caption p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.btn-hero {
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

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

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

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

.btn-hero-outline:hover {
    background: white;
    color: var(--primary-color);
}

/* Section Title */
.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--dark-color);
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.section-subtitle {
    color: #718096;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* About Section */
.about-img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    overflow: hidden;
}

.about-img img {
    transition: transform 0.5s ease;
}

.about-img:hover img {
    transform: scale(1.05);
}

.feature-check {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 0.8rem;
}

/* Stats Cards */
.stat-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #718096;
    font-size: 1rem;
}

/* Feature Cards */
.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    border: 2px solid transparent;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

/* Portfolio */
.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    cursor: pointer;
    margin-bottom: 30px;
}

.portfolio-item img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: all 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.95) 0%, rgba(55, 65, 81, 0.95) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
    padding: 2rem;
    text-align: center;
}

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

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 1rem;
}

/* Blog Cards */
.blog-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.blog-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.blog-meta {
    color: #718096;
    font-size: 0.9rem;
}

.blog-meta i {
    color: var(--primary-color);
    margin-right: 0.3rem;
}

/* Testimonial */
.testimonial-section {
    background: var(--primary-gradient);
    color: white;
}

.testimonial-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.2);
    height: 100%;
}

.stars {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.3rem;
}

/* CTA Section */
.cta-section {
    background: var(--primary-gradient);
    color: white;
    padding: 5rem 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.btn-cta-white {
    background: white;
    color: var(--primary-color);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
}

.btn-cta-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

/* WhatsApp Float */
.wa-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.wa-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    color: white;
    font-size: 2rem;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.wa-float a:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 5px 30px rgba(37, 211, 102, 0.8);
    }
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    padding: 4rem 0 1.5rem;
}

footer h5 {
    margin-bottom: 1.5rem;
    font-weight: bold;
}

footer a {
    color: #cbd5e0;
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    margin-bottom: 0.8rem;
}

footer a:hover {
    color: white;
    padding-left: 5px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    margin-right: 0.8rem;
    color: white;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    padding-left: 0;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 2rem;
    margin-top: 3rem;
    text-align: center;
    color: #cbd5e0;
}

/* Responsive */
@media (max-width: 768px) {
    .carousel-caption h1 {
        font-size: 2rem;
    }
    
    .carousel-caption p {
        font-size: 1rem;
    }
    
    .btn-hero {
        padding: 0.6rem 1.5rem;
        margin: 0.3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}