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

:root {
    --neon-green: #00ff88;
    --dark-bg: #0a0a0a;
    --card-bg: rgba(20, 20, 20, 0.8);
    --text-light: #e0e0e0;
    --text-dim: #999;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: var(--text-light);
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--neon-green);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--neon-green);
}

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

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--neon-green);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--neon-green);
}

.hero h2 {
    font-size: 1.8rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border: 2px solid var(--neon-green);
    background: transparent;
    color: var(--neon-green);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    border-radius: 5px;
}

.btn:hover {
    background: var(--neon-green);
    color: #0a0a0a;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    transform: translateY(-3px);
}

.btn.downloading {
    animation: downloadPulse 1s infinite;
}

@keyframes downloadPulse {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

.btn-download {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--neon-green);
    color: #000;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid var(--neon-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-download:hover {
    background: transparent;
    color: var(--neon-green);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.4);
    transform: translateY(-2px);
}

.btn-download:active {
    transform: translateY(0);
}

.btn-download::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 255, 136, 0.1);
    top: 0;
    left: -100%;
    transition: 0.5s;
}

/* Section Styles */
section {
    padding: 5rem 5%;
    min-height: 50vh;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--neon-green);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: var(--neon-green);
    margin: 1rem auto;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) 2fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.profile-img {
    width: 100%;
    max-width: 320px;
    height: 320px;
    border-radius: 50%;
    border: 4px solid var(--neon-green);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.5);
    animation: float 3s ease-in-out infinite;
    object-fit: cover;
    object-position: center;
    margin: 20px;
    transition: all 0.3s ease;
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.7);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dim);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-green);
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.2);
}

.skill-card i {
    font-size: 3rem;
    color: var(--neon-green);
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.4s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: scale(1.05);
    border-color: var(--neon-green);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.25);
}

.project-img {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--neon-green);
}

.project-content p {
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--neon-green);
}

/* Achievements Section */
.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--neon-green);
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    width: calc(50% - 40px);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-content:hover {
    border-color: var(--neon-green);
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.2);
}

.timeline-content h3 {
    color: var(--neon-green);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-dim);
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--neon-green);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: rgba(20, 20, 20, 0.6);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 5px;
    color: var(--text-light);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--neon-green);
    color: #0a0a0a;
    padding: 1rem 2rem;
    border-radius: 10px;
    display: none;
    animation: slideIn 0.5s ease;
    z-index: 2000;
    font-weight: 600;
}

.toast.show {
    display: block;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Footer */
footer {
    background: rgba(10, 10, 10, 0.95);
    padding: 2rem 5%;
    text-align: center;
    border-top: 1px solid rgba(0, 255, 136, 0.2);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--neon-green);
    font-size: 2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-5px);
}

footer p {
    color: var(--text-dim);
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--neon-green);
    color: #0a0a0a;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        width: 100%;
        padding: 2rem;
        transition: 0.3s;
        border-top: 1px solid rgba(0, 255, 136, 0.2);
    }

    .nav-links.active {
        right: 0;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .profile-img {
        margin: 0 auto;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}