/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(to bottom, #0a192f 0%, #112240 100%);
    color: #8892b0;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
nav {
    padding: 30px 0;
    position: sticky;
    top: 0;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

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

}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #64ffda;
}

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

.nav-links a {
    color: #ccd6f6;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #64ffda;
}

/* Section Styles */
section {
    padding: 100px 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-title {
    text-align: center;
    margin-bottom: 20px;
    font-size: 3rem;
    color: #ccd6f6;
    font-weight: 700;
}

.section-title .highlight {
    color: #64ffda;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    font-size: 1.1rem;
    color: #8892b0;
    line-height: 1.8;
}

/* Skills Grid - What I Do Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.skill-card {
    background: rgba(17, 34, 64, 0.4);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 12px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(100, 255, 218, 0.05) 0%, rgba(100, 255, 218, 0) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: rgba(100, 255, 218, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.skill-icon {
    color: #64ffda;
    margin-bottom: 20px;
}

.skill-title {
    color: #ccd6f6;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.skill-description {
    color: #8892b0;
    margin-bottom: 25px;
    line-height: 1.7;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: rgba(100, 255, 218, 0.1);
    color: #64ffda;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid rgba(100, 255, 218, 0.2);
    font-family: 'Courier New', monospace;
}

/* Projects Section */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    color: #8892b0;
    border: 1px solid rgba(100, 255, 218, 0.2);
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(100, 255, 218, 0.1);
    color: #64ffda;
    border-color: #64ffda;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-card {
    background: rgba(17, 34, 64, 0.4);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(100, 255, 218, 0.3);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.project-image {
    position: relative;
    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(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.9);
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-link {
    color: #64ffda;
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid #64ffda;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: rgba(100, 255, 218, 0.1);
}

.project-content {
    padding: 25px;
}

.project-title {
    color: #ccd6f6;
    font-size: 1.4rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.project-description {
    color: #8892b0;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    background: rgba(10, 25, 47, 0.8);
}

footer p {
    color: #8892b0;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #ccd6f6;
    font-size: 0.95rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    background: rgba(17, 34, 64, 0.4);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 8px;
    padding: 12px 16px;
    color: #ccd6f6;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #64ffda;
    box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #8892b0;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: transparent;
    color: #64ffda;
    border: 1px solid #64ffda;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    align-self: flex-start;
}

.submit-btn:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #8892b0;
}

.contact-item svg {
    color: #64ffda;
    flex-shrink: 0;
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(17, 34, 64, 0.4);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 8px;
    color: #64ffda;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: #64ffda;
    transform: translateY(-3px);
}

/* Typing Effect */
.typing-text {
    position: relative;
}

.typing-cursor {
    display: inline-block;
    width: 3px;
    height: 1em;
    background: #64ffda;
    margin-left: 4px;
    animation: blink 0.7s infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: flex;
        flex-direction: row;
        gap: 20px;
        align-items: center;
        justify-content: center;
        padding: 10px;
    }

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

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

    .project-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    nav .container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        flex-direction: row; 
        flex-wrap: wrap; 
        justify-content: center;
        gap: 10px; 
    }
    
    .nav-links a {
        font-size: 14px; 
        padding: 8px 12px; 
    }

    .section-title {
        font-size: 1.75rem;
    }
}

.hidden {
    display: none;
}