:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1f3a;
    --accent-primary: #00d4ff;
    --accent-secondary: #0099cc;
    --text-primary: #ffffff;
    --text-secondary: #b0b5c8;
    --border-color: #2a3050;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

/* Hero Section */
.hero {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: 2rem;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-greeting {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-primary) 0%, #00f4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
    border: 2px solid var(--accent-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-primary);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.1);
}

.image-placeholder-large {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.1);
}

/* About Section */
.about {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(135deg, var(--accent-primary) 0%, #00f4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content {
    display: grid;
    gap: 2rem;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Work Section */
.work {
    padding: 6rem 2rem;
}

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

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.work-card {
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.5) 0%, rgba(42, 48, 80, 0.3) 100%);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease forwards;
}

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

.work-card:hover {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.8) 0%, rgba(42, 48, 80, 0.6) 100%);
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.15);
}

.work-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.work-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.work-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.work-card a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.work-card a:hover {
    color: #00f4ff;
}

/* Projects Section */
.projects {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

.project-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin: 4rem 0;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.5) 0%, rgba(42, 48, 80, 0.3) 100%);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    animation: fadeInUp 0.8s ease;
}

.project-featured-alt {
    grid-template-columns: 1fr 1fr;
}

.project-featured-alt .project-image {
    order: -1;
}

.project-content h3 {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.project-link {
    display: inline-block;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: #00f4ff;
}

/* Contact Section */
.contact {
    padding: 6rem 2rem;
}

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

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 1.5rem 0 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1.5rem;
        font-size: 0.85rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-image {
        display: none;
    }

    .section-title {
        font-size: 2rem;
    }

    .project-featured,
    .project-featured-alt {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .project-featured-alt .project-image {
        order: 0;
    }

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

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.75rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .hero {
        margin-top: 70px;
    }
}