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

:root {
    --bg: #0f1724;
    --card: #1a2332;
    --text: #ffffff;
    --muted: #a0aec0;
    --accent: #00d9ff;
    --accent-hover: #00b8d9;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.02"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 36, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--text);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-text h2 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--muted);
}

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

.cursor {
    color: var(--accent);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(0, 217, 255, 0.5);
}

/* Buttons */
.btn {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--text);
    color: var(--text);
    padding: 0.8rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

.btn:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.mt-2 {
    margin-top: 1.5rem;
}

/* Section Divider */
.section-divider {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-divider::before,
.section-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--accent), transparent);
}

.section-divider::before {
    left: 0;
}

.section-divider::after {
    right: 0;
}

.section-divider span {
    font-size: 2rem;
    font-weight: 600;
    background: var(--bg);
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

/* About Section */
.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--muted);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* Skills Section */
.skills-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

.skill-item {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 217, 255, 0.2);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.skill-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.skill-level {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-badge {
    background: var(--accent);
    color: var(--bg);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

.skill-bar-container {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    border-radius: 10px;
    transition: width 1s ease;
    position: relative;
}

.skill-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.toggle-details {
    background: transparent;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition);
}

.toggle-details:hover {
    color: var(--accent-hover);
}

.skill-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--muted);
    font-size: 0.95rem;
    padding-top: 0;
}

.skill-details.show {
    max-height: 200px;
    padding-top: 0.5rem;
}

/* Experience Cards */
.experience-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.experience-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.exp-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.exp-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 217, 255, 0.2);
}

.exp-card .material-symbols-outlined {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.exp-card p {
    color: var(--muted);
}

/* Contact & Social Buttons */
.contact-buttons,
.social-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-btn {
    min-width: 150px;
    justify-content: center;
}

/* Projects Section */
.project-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--muted);
    color: var(--muted);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 12px 24px rgba(0, 217, 255, 0.3);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: var(--transition);
}

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

.project-overlay .btn {
    min-width: 120px;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-desc {
    color: var(--muted);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.project-date {
    color: var(--muted);
    font-size: 0.9rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
}

.project-tag {
    background: rgba(0, 217, 255, 0.2);
    color: var(--accent);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
}

/* Footer */
footer {
    background: var(--card);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text h2 {
        font-size: 1.3rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-image img {
        max-width: 250px;
    }

    .section-divider::before,
    .section-divider::after {
        width: 20%;
    }

    .project-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-tags {
        justify-content: center;
    }

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

    .nav-container {
        gap: 1rem;
    }
}

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

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text h2 {
        font-size: 1.1rem;
    }

    .section-divider span {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }
}