:root {
    --primary: #1a5276;
    --secondary: #2e86c1;
    --accent: #f39c12;
    --light: #f8f9fa;
    --dark: #2c3e50;
    --gray: #6c757d;
    --nav-bg: rgba(26, 82, 118, 0.95);
    --nav-scroll-bg: rgba(20, 65, 95, 0.98);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-spinner.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
    background: transparent;
    backdrop-filter: blur(0px);
    box-shadow: none;
    padding: 20px 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-bottom: 1px solid transparent;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar.scrolled {
    background: var(--nav-scroll-bg);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.navbar-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 1;
    transition: opacity 0.8s ease;
    z-index: -1;
}

.navbar:not(.scrolled) .navbar-bg {
    opacity: 1;
}

.navbar.scrolled .navbar-bg {
    opacity: 0;
}

.navbar-brand {
    font-weight: 700;
    color: white;
    font-size: 1.8rem;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.navbar.scrolled .navbar-brand {
    color: white;
    text-shadow: none;
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 12px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.navbar.scrolled .nav-link {
    text-shadow: none;
}

.nav-link:hover {
    color: white;
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav-link.active {
    color: white;
    font-weight: 600;
}

.nav-link.active::after {
    width: 100%;
    background-color: var(--accent);
}

.navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.1);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Carousel Styles */
.hero {
    padding: 0;
    position: relative;
    margin-top: 0;
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    transition: transform 0.8s ease;
}

.carousel-slide[data-slide="1"] .slide-bg {
    background: linear-gradient(rgba(26, 82, 118, 0.85), rgba(26, 82, 118, 0.9)), 
                url('../img/carousel-1.jpg') center/cover;
}

.carousel-slide[data-slide="2"] .slide-bg {
    background: linear-gradient(rgba(26, 82, 118, 0.85), rgba(26, 82, 118, 0.9)), 
                url('../img/carousel-2.jpg') center/cover;
}

.carousel-slide[data-slide="3"] .slide-bg {
    background: linear-gradient(rgba(26, 82, 118, 0.85), rgba(26, 82, 118, 0.9)), 
                url('../img/carousel-3.jpg') center/cover;
}

.slide-content {
    text-align: center;
    color: white;
    max-width: 100%;
    padding: 0 20px;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.8s ease-in-out 0.3s;
    position: relative;
    z-index: 2;
    margin-top: 60px;
}

.carousel-slide.active .slide-content {
    transform: translateY(0);
    opacity: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.6;
    font-weight: 400;
}

.btn-primary {
    background-color: var(--accent);
    border-color: var(--accent);
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background-color: #e67e22;
    border-color: #e67e22;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(243, 156, 18, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

/* Image-based Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 40px;
    /* left: 35%;
    transform: translateX(0%); */
    display: flex;
    gap: 20px;
    z-index: 10;
}

.indicator {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s ease;
    border: 3px solid rgba(255, 255, 255, 0.4);
    opacity: 0.8;
}

.indicator:hover {
    opacity: 0.9;
    transform: translateY(-5px) scale(1.05);
}

.indicator.active {
    opacity: 1;
    border-color: var(--accent);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(243, 156, 18, 0.4);
}

.indicator-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.4s ease;
}

.indicator[data-slide="1"] .indicator-image {
    background-image: url('../img/carousel-1.jpg');
}

.indicator[data-slide="2"] .indicator-image {
    background-image: url('../img/carousel-2.jpg');
}

.indicator[data-slide="3"] .indicator-image {
    background-image: url('../img/carousel-3.jpg');
}

.indicator:hover .indicator-image {
    transform: scale(1.1);
}

.indicator-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 10px 5px;
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    font-family: 'Montserrat', sans-serif;
}

/* ============================================
   ABOUT SECTION - PROFESSIONAL STYLES
   ============================================ */

#about {
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

/* ---------- Image Styles ---------- */
.about-img {
    position: relative;
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 25px 40px -12px rgba(0, 0, 0, 0.15);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-img:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 50px -15px rgba(26, 82, 118, 0.25);
}

.about-img img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-img:hover img {
    transform: scale(1.03);
}

/* Decorative subtle gradient overlay */
.about-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26,82,118,0.08) 0%, rgba(243,156,18,0.04) 100%);
    pointer-events: none;
    border-radius: inherit;
}

/* ---------- Section Heading (Left-aligned) ---------- */
#about .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--dark, #2c3e50);
}

#about .section-title:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background: var(--accent, #f39c12);
    bottom: -12px;
    left: 0;
    transform: none;
    border-radius: 3px;
}

/* ---------- Lead Paragraph ---------- */
#about .lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--dark, #2c3e50);
    border-left: 3px solid var(--accent, #f39c12);
    padding-left: 1rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

/* ---------- Body Text ---------- */
#about p {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* ---------- Stats Cards ---------- */
.about-stats {
    background: #f8fafc;
    border-radius: 1rem;
    padding: 1.25rem 0.75rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(26, 82, 118, 0.08);
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.02);
}

.about-stats:hover {
    background: #ffffff;
    border-color: rgba(243, 156, 18, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 12px 20px -10px rgba(0, 0, 0, 0.08);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: var(--accent, #f39c12);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: #4a5568;
}

/* ---------- Responsive Adjustments ---------- */
@media (max-width: 992px) {
    #about .section-title {
        font-size: 1.8rem;
    }
    .stat-number {
        font-size: 1.8rem;
    }
    .about-stats {
        padding: 1rem 0.5rem;
    }
}

@media (max-width: 768px) {
    .about-img {
        max-width: 85%;
        margin: 0 auto 2rem;
    }
    .stat-number {
        font-size: 1.6rem;
    }
    .stat-label {
        font-size: 0.7rem;
    }
    #about .lead {
        font-size: 1rem;
    }
    #about p {
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .about-stats {
        margin-bottom: 0.75rem;
    }
    .stat-number {
        font-size: 1.4rem;
    }
    .stat-label {
        font-size: 0.65rem;
    }
    #about .section-title {
        font-size: 1.6rem;
    }
}

/* Section Styles */
.section-py {
    padding: 80px 0;
}

.section-title {
    position: relative;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 700;
}

.section-title:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-color: var(--accent);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    color: var(--gray);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 50px;
}

/* Service Cards */
.service-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    height: 100%;
    text-align: center;
    border-top: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: transform 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    margin-top: 15px;
    transition: all 0.3s ease;
}

.service-link:hover {
    color: var(--accent);
    transform: translateX(5px);
}

/* Portfolio Items */
.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    height: 300px;
}

.portfolio-img-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.portfolio-item:nth-child(1) .portfolio-img {
    background-image: url('../img/carousel-1.jpg');
}

.portfolio-item:nth-child(2) .portfolio-img {
    background-image: url('../img/carousel-1.jpg');
}

.portfolio-item:nth-child(3) .portfolio-img {
    background-image: url('../img/carousel-1.jpg');
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(26, 82, 118, 0.8), rgba(26, 82, 118, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.6s ease;
    padding: 20px;
}

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

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

/* Testimonials */
.testimonial-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    position: relative;
    transition: transform 0.3s ease;
}

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

.testimonial-quote {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.7;
    font-weight: 400;
}

.client-info {
    display: flex;
    align-items: center;
}

.client-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
    border: 3px solid var(--light);
    background-size: cover;
    background-position: center;
}

.testimonial-card:nth-child(1) .client-avatar {
    background-image: url('https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?ixlib=rb-4.0.3&auto=format&fit=crop&w=100&h=100&q=80');
}

.testimonial-card:nth-child(2) .client-avatar {
    background-image: url('https://images.unsplash.com/photo-1494790108755-2616b612b786?ixlib=rb-4.0.3&auto=format&fit=crop&w=100&h=100&q=80');
}

/* Contact Form */
.contact-form {
    background: white;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-control {
    padding: 12px 15px;
    border-radius: 5px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(26, 82, 118, 0.15);
}

.btn-submit {
    position: relative;
    min-width: 140px;
}

.btn-text, .btn-spinner {
    transition: opacity 0.3s ease;
}

.contact-info h6 {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-item i {
    color: var(--accent);
}

.business-hours li span:first-child {
    font-weight: 600;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 70px 0 20px;
}

.footer-links h5 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    font-weight: 600;
}

.footer-links h5:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--accent);
    bottom: 0;
    left: 0;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 400;
}

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

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 10px;
    color: white;
    transition: all 0.3s ease;
}

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

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-top: 40px;
    text-align: center;
    font-size: 0.9rem;
    color: #bdc3c7;
}

/* Animation for slide transitions */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.carousel-slide.active .slide-content {
    animation: slideIn 0.8s ease-out;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .section-py {
        padding: 60px 0;
    }
    .indicator {
        width: 80px;
        height: 80px;
    }
    
    .navbar-collapse {
        background: var(--nav-scroll-bg);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-radius: 10px;
        margin-top: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
}

@media (max-width: 768px) {
    .hero-carousel {
        height: 70vh;
        min-height: 500px;
    }
    
    .carousel-indicators {
        bottom: 30px;
        gap: 15px;
    }
    
    .indicator {
        width: 70px;
        height: 70px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .indicator-label {
        font-size: 0.65rem;
        padding: 8px 4px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-card {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .portfolio-item {
        height: 250px;
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .hero-carousel {
        height: 60vh;
        min-height: 400px;
    }
    
    .carousel-indicators {
        bottom: 20px;
        gap: 10px;
    }
    
    .indicator {
        width: 60px;
        height: 60px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .indicator-label {
        font-size: 0.6rem;
        padding: 6px 3px;
    }
    
    .btn-primary {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .section-py {
        padding: 50px 0;
    }
    
    .contact-form {
        padding: 20px;
    }
}

/* Utility classes */
.bg-light {
    background-color: var(--light) !important;
}

.text-center {
    text-align: center;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mb-5 {
    margin-bottom: 3rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.d-none {
    display: none !important;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}