/* General Styles */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --grey-100: #f3f4f6;
    --grey-200: #e5e7eb;
    --grey-300: #d1d5db;
    --grey-400: #9ca3af;
    --grey-500: #6b7280;
    --grey-600: #4b5563;
    --grey-700: #374151;
    --grey-800: #1f2937;
    --grey-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--white);
    color: var(--grey-800);
    line-height: 1.6;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar Styles */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--grey-800) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    color: var(--grey-600) !important;
    transition: color 0.3s ease;
}

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

/* Page Header */
.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--grey-100) 0%, var(--grey-200) 100%);
}

/* Carousel Styles */
.carousel {
    margin-top: 76px;
}

.carousel-item {
    height: 600px;
    position: relative;
}

.carousel-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.carousel-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

/* Carousel Animations */
@keyframes slideIn {
    from {
        transform: translateX(-100px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.carousel-item.active .animate-slide-in {
    animation: slideIn 0.8s ease-out;
}

.carousel-item.active .animate-fade-in {
    animation: fadeIn 1s ease-out 0.3s both;
}

/* Service Cards */
.service-card {
    transition: all 0.3s ease;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    transition: transform 0.3s ease;
}

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

/* Gallery Styles */
.gallery-card {
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.gallery-image {
    position: relative;
    overflow: hidden;
}

.image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Filter Buttons */
.filter-btn {
    margin: 0.25rem;
    transition: all 0.3s ease;
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Gallery Item Filtering */
.gallery-item {
    transition: all 0.3s ease;
}

.gallery-item.hide {
    display: none;
}

/* Contact Form */
.form-control,
.form-select {
    border: 2px solid var(--grey-200);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.1);
}

.form-label {
    font-weight: 600;
    color: var(--grey-700);
    margin-bottom: 0.5rem;
}

/* Contact Info Cards */
.contact-item {
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

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

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

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Footer */
footer a:hover {
    color: var(--primary-color) !important;
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    opacity: 0.8;
}

/* Feature Items */
.feature-item {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.feature-item:nth-child(1) { animation-delay: 0.1s; }
.feature-item:nth-child(2) { animation-delay: 0.2s; }
.feature-item:nth-child(3) { animation-delay: 0.3s; }
.feature-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Process Cards */
.process-card {
    transition: all 0.3s ease;
}

.process-card:hover {
    transform: scale(1.05);
}

.process-number {
    transition: transform 0.3s ease;
}

.process-card:hover .process-number {
    transform: rotate(360deg);
}

/* Team Cards */
.team-card {
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

/* Modal Styles */
.modal-content {
    border-radius: 1rem;
    border: none;
}

.modal-header {
    background: linear-gradient(135deg, var(--grey-100) 0%, var(--grey-200) 100%);
    border-bottom: none;
    border-radius: 1rem 1rem 0 0;
}

/* Accordion Styles */
.accordion-item {
    border: 1px solid var(--grey-200);
    margin-bottom: 1rem;
    border-radius: 0.5rem !important;
    overflow: hidden;
}

.accordion-button {
    font-weight: 600;
    background-color: var(--white);
}

.accordion-button:not(.collapsed) {
    background-color: var(--grey-100);
    color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--grey-200);
}

/* Badges */
.badge {
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Utilities */
.bg-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .carousel-item {
        height: 500px;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.75rem;
    }
    
    .page-header {
        padding: 120px 0 60px;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .carousel-item {
        height: 400px;
    }
    
    .display-3 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Success Message */
.alert-success {
    background-color: #d1fae5;
    border-color: #6ee7b7;
    color: #065f46;
    border-radius: 0.5rem;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
    border-radius: 0.5rem;
}