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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-cyan: #00d9ff;
    --accent-purple: #7c3aed;
    --accent-green: #10b981;
    --border-color: #333333;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background-color: var(--bg-primary);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    background-color: rgba(10, 10, 10, 0.9);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

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

.contact-btn {
    padding: 10px 24px;
    background-color: transparent;
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.contact-btn:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 30px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent-cyan);
    animation: float 3s ease-in-out infinite;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.cta-btn {
    padding: 14px 32px;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.cta-btn:hover {
    transform: scale(1.05);
}

/* About Section */
.about {
    padding: 100px 0;
}

.section-title {
    font-size: 42px;
    text-align: center;
    margin-bottom: 50px;
    font-weight: 700;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.download-btn {
    padding: 12px 28px;
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-top: -30px;
    margin-bottom: 50px;
    font-size: 14px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: var(--bg-card);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

.service-icon {
    font-size: 48px;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

.service-card.featured .service-icon {
    font-size: inherit;
}

.service-card.featured .service-icon img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Projects Section */
.projects {
    padding: 100px 0;
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin: 40px 0;
}

.filter-btn {
    padding: 10px 20px;
    background-color: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.project-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.project-card.hide {
    opacity: 0;
    transform: scale(0.8);
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

.project-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.project-info {
    padding: 25px;
    position: relative;
}

.project-info h3 {
    font-size: 18px;
    margin-bottom: 15px;
    font-weight: 600;
}

.project-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.project-tags span {
    padding: 5px 12px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.project-link {
    position: absolute;
    right: 25px;
    bottom: 25px;
    width: 40px;
    height: 40px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-link:hover {
    transform: scale(1.1);
    background-color: var(--text-primary);
}

.view-all-btn {
    display: block;
    margin: 50px auto 0;
    padding: 12px 28px;
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.view-all-btn:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.contact-form {
    max-width: 600px;
    margin: 50px auto 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.submit-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.3);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
    display: none;
}

.form-message.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.form-message.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-text h3 {
    font-size: 32px;
    margin-bottom: 10px;
}

.footer-text p {
    color: var(--text-secondary);
    font-size: 14px;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.email-link:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-primary);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .contact-btn {
        display: none;
    }

    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-text h3 {
        font-size: 24px;
    }
}

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

/* Selection */
::selection {
    background-color: var(--accent-cyan);
    color: var(--bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00b8d9;
}