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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: #0d0d0d;
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes glow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }
    50% {
        text-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    }
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    background: #1a1a1a;
    border-bottom: 1px solid #333;
    z-index: 100;
    animation: fadeInDown 0.6s ease-out;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.navbar {
    padding: 15px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    animation: slideInRight 0.8s ease-out;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.logo:hover {
    color: #00d9ff;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links li {
    animation: fadeInDown 0.6s ease-out;
    animation-fill-mode: both;
}

.nav-links li:nth-child(1) {
    animation-delay: 0.1s;
}

.nav-links li:nth-child(2) {
    animation-delay: 0.2s;
}

.nav-links li:nth-child(3) {
    animation-delay: 0.3s;
}

.nav-links a {
    text-decoration: none;
    color: #b0b0b0;
    font-size: 0.95rem;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d9ff, #00ff88);
    transition: width 0.4s ease;
}

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

.nav-links a:hover {
    color: #00d9ff;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    border-bottom: 1px solid #333;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    color: #fff;
    animation: fadeInUp 0.8s ease-out;
    transition: text-shadow 0.3s ease;
}

.hero h1:hover {
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.6);
}

.hero .subtitle {
    font-size: 1.25rem;
    color: #00d9ff;
    margin-bottom: 20px;
    font-weight: 500;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero .bio {
    font-size: 1.1rem;
    color: #a0a0a0;
    max-width: 500px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Projects Section */
.projects {
    padding: 80px 0;
    background: #0d0d0d;
}

.projects h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    color: #fff;
    transition: text-shadow 0.3s ease;
}

.projects h2:hover {
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.project-card {
    padding: 30px;
    background: #1a1a1a;
    border-radius: 8px;
    border: 2px solid #333;
    transition: all 0.4s ease;
    animation: fadeInUp 0.6s ease-out both;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:nth-child(1) {
    animation-delay: 0s;
}

.project-card:nth-child(2) {
    animation-delay: 0.1s;
}

.project-card:nth-child(3) {
    animation-delay: 0.2s;
}

.project-card:nth-child(n+4) {
    animation-delay: 0.3s;
}

.project-card:hover {
    border-color: #00d9ff;
    background: #222;
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.2), 0 0 20px rgba(0, 217, 255, 0.1);
}

.project-card h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
    transition: color 0.3s ease;
    color: #fff;
}

.project-card:hover h3 {
    color: #00d9ff;
}

.project-card p {
    color: #a0a0a0;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.project-link {
    color: #00d9ff;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: all 0.3s ease;
    position: relative;
}

.project-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00d9ff;
    transition: width 0.3s ease;
}

.project-link:hover {
    transform: translateX(8px);
    color: #00ff88;
}

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

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #1a1a1a;
    text-align: center;
    border-top: 1px solid #333;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    animation: fadeInUp 0.8s ease-out;
    color: #fff;
    transition: text-shadow 0.3s ease;
}

.contact h2:hover {
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.contact > .container > p {
    font-size: 1.1rem;
    color: #a0a0a0;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    background: rgba(0, 217, 255, 0.1);
    color: #00d9ff;
    text-decoration: none;
    border-radius: 4px;
    border: 2px solid #00d9ff;
    font-weight: 500;
    transition: all 0.4s ease;
    display: inline-block;
    animation: fadeInUp 0.6s ease-out both;
    position: relative;
    overflow: hidden;
}

.btn:nth-child(1) {
    animation-delay: 0.1s;
}

.btn:nth-child(2) {
    animation-delay: 0.2s;
}

.btn:nth-child(3) {
    animation-delay: 0.3s;
}

.btn:nth-child(4) {
    animation-delay: 0.4s;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(0, 217, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    background: rgba(0, 217, 255, 0.2);
    color: #00ff88;
    border-color: #00ff88;
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3), 0 0 20px rgba(0, 217, 255, 0.2);
}

.btn:active {
    transform: scale(0.98) translateY(-2px);
}

/* Footer */
footer {
    background: #0a0a0a;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
    border-top: 1px solid #333;
}

footer p {
    color: #777;
    transition: color 0.3s ease;
}

footer:hover p {
    color: #00d9ff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .projects h2,
    .contact h2 {
        font-size: 1.8rem;
    }

    .nav-links {
        gap: 15px;
    }

    .nav-links a {
        font-size: 0.85rem;
    }

    .hero,
    .projects,
    .contact {
        padding: 50px 0;
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-links {
        gap: 10px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}