/* Define CSS variables for consistent color usage */
:root {
    --container-max-width: 1200px;
    --section-spacing-y: 6rem;
    --section-spacing-sm: 4rem;
    --content-spacing: 2rem;
    --grid-gap: 2rem;
    
    --primary-dark: #1a1f2c; /* Rich dark blue */
    --secondary-dark: #2d3748; /* Slate blue */
    --accent-color: #6366f1; /* Indigo */
    --accent-hover: #818cf8; /* Lighter indigo */
    --text-primary: #f8fafc; /* Almost white */
    --text-secondary: #cbd5e1; /* Light gray */
    --background-light: #f1f5f9; /* Light background */
    --card-bg: #2d3748; /* Card background */
    --success-color: #10b981; /* Green */
    --warning-color: #f59e0b; /* Amber */
    --error-color: #ef4444; /* Red */
    --gradient-start: #6366f1; /* Indigo */
    --gradient-end: #3b82f6; /* Blue */
}

/* Apply base styles */
body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-primary);
    background-color: var(--primary-dark);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
}

.container {
    max-width: var(--container-max-width);
    padding: 0 1.5rem;
    margin: 0 auto;
}

/* Style headings with Montserrat font */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

/* Typography Scale */
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
h5 { font-size: clamp(1.125rem, 1.5vw, 1.5rem); }
h6 { font-size: clamp(1rem, 1.25vw, 1.25rem); }

p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

/* Enhanced Navbar styling */
.navbar {
    background-color: rgba(26, 31, 44, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.25rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: var(--secondary-dark) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 0;
    margin-right: 3rem;
}

.navbar-nav {
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary) !important;
    background-color: rgba(99, 102, 241, 0.1);
}

/* Modern button styling */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    color: var(--text-primary);
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.2);
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px -1px rgba(99, 102, 241, 0.3);
    background: linear-gradient(135deg, var(--gradient-end), var(--gradient-start));
    color: var(--text-primary);
}

/* Enhanced Hero section */
.hero-section {
    background: linear-gradient(rgba(26, 31, 44, 0.8), rgba(26, 31, 44, 0.9)),
                url('https://images.unsplash.com/photo-1587620962725-abab7fe55159?q=80&w=2831&auto=format&fit=crop&ixlib=rb-4.0.3') no-repeat center center/cover;
    min-height: 100vh;
    padding: 8rem 0;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.hero-content h1 {
    margin-bottom: 2rem;
}

.hero-content p {
    margin-bottom: 3rem;
    font-size: clamp(1.1rem, 2vw, 1.25rem);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 3rem;
}

/* Enhanced Footer Styles */
footer {
    background-color: var(--secondary-dark);
    padding: 6rem 0 3rem;
    position: relative;
    color: var(--text-secondary);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.footer-info {
    margin-bottom: 3rem;
}

.footer-brand {
    margin-bottom: 2rem;
    display: inline-block;
}

footer h4 {
    margin-bottom: 2rem;
}

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

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

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

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    margin-bottom: 1.5rem;
}

.footer-contact li i {
    color: var(--accent-color);
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.footer-contact li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact li a:hover {
    color: var(--accent-color);
}

.social-links {
    margin: 2rem 0;
}

.footer-divider {
    margin: 4rem 0 2rem;
}

.footer-bottom {
    padding-top: 2rem;
}

.copyright {
    margin: 0;
    color: var(--text-secondary);
}

.legal-links {
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
}

.legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: var(--accent-color);
}

@media (max-width: 991px) {
    :root {
        --section-spacing-y: 4rem;
        --section-spacing-sm: 3rem;
        --content-spacing: 1.5rem;
        --grid-gap: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .portfolio-grid,
    .blog-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --section-spacing-y: 3rem;
        --section-spacing-sm: 2rem;
        --content-spacing: 1.25rem;
        --grid-gap: 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .navbar {
        padding: 1rem 0;
    }

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

    .card-body,
    .portfolio-info,
    .blog-post-preview .post-content {
        padding: 1.5rem;
    }

    footer {
        padding: 4rem 0 2rem;
    }

    .footer-info,
    .footer-links,
    .footer-contact {
        text-align: center;
        margin-bottom: 2rem;
    }

    .social-links {
        justify-content: center;
    }
}

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

/* Section padding for consistent spacing */
.section-padding {
    padding: var(--section-spacing-y) 0;
    background-color: var(--primary-dark);
}
/* Styling for sections with light background */
.section-padding.bg-light {
    background-color: var(--background-light);
    color: var(--primary-dark); /* Dark text on light background */
}
.section-padding.bg-light h2, .section-padding.bg-light p, .section-padding.bg-light .card-title {
    color: var(--primary-dark);
}

/* Card styling */
.card {
    background-color: var(--card-bg);
    border: none;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-primary);
    overflow: hidden; /* Ensures image corners are rounded with card */
    height: 100%;
    padding: 2rem;
    margin-bottom: var(--content-spacing);
}
.card:hover {
    transform: translateY(-8px); /* More pronounced lift */
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.4); /* Larger shadow */
}
.card-title {
    margin-bottom: 1.5rem;
}
.card-text {
    margin-bottom: 1.5rem;
}
.card-img-top {
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    height: 220px; /* Fixed height for uniformity */
    object-fit: cover; /* Crop image to fit */
}

/* Icon box styling for services */
.icon-box {
    padding: 3rem 2rem;
    height: 100%;
    margin-bottom: var(--content-spacing);
}
.icon-box:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}
.icon-box .icon {
    margin-bottom: 2rem;
}
.icon-box h3 {
    margin-bottom: 1.5rem;
}
.icon-box p {
    font-size: 1rem;
    line-height: 1.7;
}

/* Portfolio item styling */
.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: var(--content-spacing);
    background-color: var(--text-primary);
    color: var(--primary-dark);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}
.portfolio-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    height: 250px; /* Consistent image height */
    object-fit: cover;
}
.portfolio-item:hover img {
    transform: scale(1.1); /* Zoom effect on hover */
}
.portfolio-info {
    padding: 2rem;
}
.portfolio-info h4 {
    font-size: 1.6rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
}
.portfolio-info p {
    font-size: 1rem;
    color: var(--secondary-dark);
}

/* Contact form styling */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.contact-form input::placeholder, .contact-form textarea::placeholder {
    color: rgba(248, 250, 252, 0.6); /* Lighter placeholder text */
}
.contact-form input:focus, .contact-form textarea:focus {
    background-color: var(--secondary-dark);
    border-color: var(--accent-hover);
    box-shadow: 0 0 0 0.25rem rgba(129, 140, 248, 0.25); /* Accent glow */
    color: var(--text-primary);
    outline: none; /* Remove default outline */
}

/* Specific styles for portfolio detail page */
.portfolio-detail-section {
    padding: 80px 0;
    background-color: var(--primary-dark);
}

.portfolio-detail-section h2 {
    margin-bottom: 30px;
    text-align: center;
}

.portfolio-detail-section .project-image {
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.portfolio-detail-section .tech-stack {
    margin-top: 30px;
    margin-bottom: 30px;
}

.portfolio-detail-section .tech-stack span {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-primary);
    padding: 5px 15px;
    border-radius: 20px;
    margin-right: 10px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 600;
}

.portfolio-detail-section .description {
    line-height: 1.8;
}

.portfolio-detail-section .back-link {
    display: inline-block;
    margin-top: 40px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.portfolio-detail-section .back-link:hover {
    color: var(--text-primary);
}

/* Loading Screen Styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-dark); /* Match website background */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Ensure it's on top of everything */
    transition: opacity 0.5s ease;
}

.spinner {
    border: 8px solid rgba(248, 250, 252, 0.3); /* Light gray border */
    border-top: 8px solid var(--accent-color); /* Highlight color for spinner */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite; /* Spinner animation */
}

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

.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Styles for Career Page */
.job-listing {
    background-color: var(--text-primary);
    color: var(--primary-dark);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.job-listing:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}
.job-listing h3 {
    color: var(--primary-dark);
}
.job-meta {
    color: var(--secondary-dark);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Styles for Blog Listing Page */
.blog-post-preview {
    background-color: var(--text-primary);
    color: var(--primary-dark);
    border-radius: 10px;
    margin-bottom: var(--content-spacing);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-post-preview:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}
.blog-post-preview img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}
.blog-post-preview .post-content {
    padding: 2rem;
}
.blog-post-preview .post-content h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}
.blog-post-preview .post-meta {
    color: var(--secondary-dark);
    font-size: 0.85rem;
    margin-bottom: 15px;
}
.blog-post-preview .post-meta i {
    margin-right: 5px;
}

/* Styles for Blog Detail Page */
.blog-detail-section .post-image {
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}
.blog-detail-section .post-meta {
    font-size: 0.9rem;
    color: var(--secondary-dark);
    margin-bottom: 20px;
    text-align: center;
}
.blog-detail-section .post-meta i {
    margin-right: 5px;
}
.blog-detail-section .post-content {
    line-height: 1.8;
}
.blog-detail-section .back-link {
    display: inline-block;
    margin-top: 40px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.blog-detail-section .back-link:hover {
    color: var(--text-primary);
}

/* Additional Hero Section Styles */
.bg-primary-custom {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.btn-outline-light {
    border-width: 2px;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.text-accent {
    color: var(--accent-color);
    font-weight: 600;
}

.tech-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s ease;
}

.badge-item:hover {
    transform: translateY(-5px);
}

.badge-item img {
    width: 48px;
    height: 48px;
    filter: brightness(0) invert(1);
}

.badge-item span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-down {
    color: var(--text-primary);
    font-size: 1.5rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.scroll-down:hover {
    opacity: 1;
    color: var(--text-primary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Enhanced navbar styles */
.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.1);
}

.nav-link.btn {
    padding: 0.5rem 1.5rem !important;
    margin-left: 1rem;
}

/* Section Layouts */
.section-padding-sm {
    padding: var(--section-spacing-sm) 0;
}

.row {
    margin-left: calc(-1 * var(--grid-gap) / 2);
    margin-right: calc(-1 * var(--grid-gap) / 2);
}

.row > [class*="col-"] {
    padding-left: calc(var(--grid-gap) / 2);
    padding-right: calc(var(--grid-gap) / 2);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--grid-gap);
    padding: 1rem 0;
}

/* Blog Posts Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--grid-gap);
    padding: 1rem 0;
}

/* Enhanced Card Visibility */
.section-padding.bg-light .card {
    background-color: var(--text-primary);
    color: var(--primary-dark);
    border: none;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.section-padding.bg-light .card h3,
.section-padding.bg-light .card .card-title {
    color: var(--primary-dark);
}

.section-padding.bg-light .card p {
    color: var(--secondary-dark);
}

.section-padding.bg-light .card .text-muted {
    color: #64748b !important;
}

/* Alternating Section Backgrounds */
.section-padding:nth-child(even) {
    background-color: var(--secondary-dark);
}

.section-padding:nth-child(odd) {
    background-color: var(--primary-dark);
}

/* Blog and Portfolio Cards */
.blog-post-preview,
.portfolio-item {
    background-color: var(--text-primary);
    color: var(--primary-dark);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-post-preview:hover,
.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

.blog-post-preview .post-content,
.portfolio-item .portfolio-info {
    padding: 2rem;
}

.blog-post-preview h3,
.portfolio-item h4 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.blog-post-preview .post-meta,
.portfolio-item p {
    color: var(--secondary-dark);
}

/* Code Snippets */
pre {
    background-color: #f8fafc !important;
    border-radius: 8px;
    margin: 1.5rem 0;
}

pre code {
    color: var(--primary-dark);
    font-size: 0.9rem;
}

/* Form Controls in Dark Sections */
.section-padding:not(.bg-light) .form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.section-padding:not(.bg-light) .form-control:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    color: var(--text-primary);
}

/* Navigation Improvements */
.navbar {
    background-color: rgba(26, 31, 44, 0.95) !important;
}

.navbar .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--text-primary) !important;
    background-color: rgba(99, 102, 241, 0.1);
}

/* List Group Items */
.list-group-item {
    background-color: transparent;
    border-color: rgba(203, 213, 225, 0.1);
}

.list-group-item-action {
    color: var(--text-primary);
}

.list-group-item-action:hover {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

/* Social Links */
.social-links a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Testimonial Cards */
.testimonial-card {
    background-color: var(--card-bg);
    border: none;
    border-radius: 10px;
    padding: 2rem;
}

.testimonial-card .quote {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 1.5rem;
}

/* Job Listings */
.job-listing {
    background-color: var(--text-primary);
    color: var(--primary-dark);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.job-listing:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

.job-listing h3 {
    color: var(--primary-dark);
}

.job-meta {
    color: var(--secondary-dark);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Blog Content Typography */
.blog-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.blog-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
}

.blog-content p {
    margin-bottom: 1.5rem;
}

.blog-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.blog-content pre {
    margin: 2rem 0;
}

/* Portfolio Gallery */
.portfolio-gallery img {
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

/* Buttons */
.btn-outline-primary {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-primary);
}