:root {
    --primary-color: #002d5a;
    --secondary-color: #00a8e8;
    --accent-color: #ffd700;
    --bg-light: #f8fafc;
    --text-light: #1e293b;
    --bg-dark: #0f172a;
    --text-dark: #f1f5f9;
    --card-bg-light: rgba(255, 255, 255, 0.8);
    --card-bg-dark: rgba(30, 41, 59, 0.7);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --glass-blur: blur(12px);
}

/* ... existing reset ... */

/* Glassmorphism Classes */
.glass {
    background: var(--card-bg-light);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .glass {
    background: var(--card-bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Contact Section Enhancements */
.contact-section {
    padding: 100px 0;
    background: radial-gradient(circle at top right, var(--bg-light), #e2e8f0);
}

body.dark-mode .contact-section {
    background: radial-gradient(circle at top right, var(--bg-dark), #020617);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    margin-top: 40px;
}

.contact-form-container {
    background: var(--card-bg-light);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    backdrop-filter: var(--glass-blur);
}

body.dark-mode .contact-form-container {
    background: var(--card-bg-dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 10px;
    background: rgba(255,255,255,0.5);
    transition: var(--transition);
}

body.dark-mode .form-group input, body.dark-mode .form-group textarea {
    background: rgba(15, 23, 42, 0.5);
    border-color: rgba(255,255,255,0.1);
    color: white;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(0, 168, 232, 0.2);
}

.btn-submit {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
}

body.dark-mode .btn-submit {
    background: var(--secondary-color);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 15px;
    background: var(--card-bg-light);
    transition: var(--transition);
}

body.dark-mode .detail-item {
    background: var(--card-bg-dark);
}

.detail-item:hover {
    transform: scale(1.02);
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    background: rgba(0, 168, 232, 0.1);
    padding: 15px;
    border-radius: 12px;
}

.detail-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

/* Service & Project Card Refinements */
.service-card, .project-card {
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: var(--glass-blur);
}

.service-card:hover {
    box-shadow: 0 15px 30px rgba(0, 168, 232, 0.15);
}


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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

body.light-mode {
    background-color: var(--bg-light);
    color: var(--text-light);
}

body.dark-mode {
    background-color: var(--bg-dark);
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: var(--transition);
}

body.dark-mode nav {
    background: rgba(26, 26, 26, 0.95);
    box-shadow: 0 2px 5px rgba(255,255,255,0.05);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: inherit;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.mode-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px 10px;
    border-radius: 50%;
    transition: var(--transition);
}

.mode-toggle:hover {
    background: rgba(0,0,0,0.1);
}

body.dark-mode .mode-toggle:hover {
    background: rgba(255,255,255,0.1);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding-top: 80px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    animation: fadeInUp 1.2s ease;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: var(--transition);
    animation: fadeInUp 1.4s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Services Section */
.services {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 10px auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg-light);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: var(--transition);
}

body.dark-mode .service-card {
    background: var(--card-bg-dark);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
}

/* Projects Section */
.projects {
    padding: 80px 0;
    background: rgba(0,0,0,0.02);
}

body.dark-mode .projects {
    background: rgba(255,255,255,0.02);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.project-info {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    padding: 20px;
    background: rgba(0, 86, 179, 0.9);
    color: white;
    transition: var(--transition);
}

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

.project-card:hover .project-info {
    bottom: 0;
}

/* Footer */
footer {
    background: #222;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3, .footer-social h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.footer-info p {
    margin-bottom: 10px;
}

.footer-info i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.footer-info a {
    color: inherit;
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 20px;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}