:root {
    --bg: #0f0f0f;
    --primary: #7f00ff;
    --secondary: #00bfff;
    --text: #e0e0e0;
    --glass-bg: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.2);
    --transition: 0.3s ease;
    --radius: 12px;
    --shadow: 0 4px 30px rgba(0,0,0,0.5);
}

/* Reset & base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    backdrop-filter: blur(12px);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 0;
}
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}
.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}
.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
}

/* Sections */
.section {
    padding: 6rem 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}
.section.visible {
    opacity: 1;
    transform: translateY(0);
}
.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: #ffffff;
}
.section-text {
    max-width: 800px;
    margin: 0 auto 1.5rem;
    text-align: center;
}

/* Hero */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding-top: 4rem;
}
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.hero-text .small {
    font-size: 1rem;
    color: var(--secondary);
}
.hero-text .name {
    font-size: 3rem;
    color: #ffffff;
    margin: 0.5rem 0;
}
.hero-text .subtitle {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}
.hero-text .description {
    margin-bottom: 2rem;
}
.hero-buttons .btn {
    margin-right: 1rem;
}
.hero-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    animation: float 4s ease-in-out infinite;
}
@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}
.btn.primary {
    background: var(--primary);
    color: #fff;
}
.btn.secondary {
    background: var(--primary);
    border: 2px solid var(--primary);
    color: #ffffff;
}
.btn.large {
    font-size: 1.2rem;
    padding: 1rem 2rem;
}
.btn.small {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

/* About */
.about .skills-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    list-style: none;
    margin-top: 1rem;
}
.about .skills-list li {
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
}

/* Projects */
.projects .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}
.card {
    background: var(--glass-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.card h3 {
    margin: 1rem;
    color: var(--primary);
}
.card p {
    flex-grow: 1;
    margin: 0 1rem 1rem;
    font-size: 0.95rem;
}
.card .btn {
    margin: 1rem;
    align-self: flex-start;
}
.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.6);
}

/* Skills */
.skills .skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.skill-card {
    background: var(--glass-bg);
    padding: 1rem;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--glass-border);
}
.skill-icon {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}
.progress {
    background: rgba(255,255,255,0.1);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.5rem;
}
.progress div {
    height: 100%;
    background: var(--primary);
    width: 0;
    animation: load 1.5s forwards;
}
@keyframes load {
    to { width: var(--width); }
}

/* Resume */
.resume .btn.large {
    display: block;
    margin: 2rem auto 0;
}

/* Contact */
.contact .contact-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}
.contact-card {
    background: var(--glass-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    width: 150px;
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}
.contact-card i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}
.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

/* Footer */
.footer {
    background: var(--glass-bg);
    padding: 1rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-image {
        order: -1;
    }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 250px;
        background: var(--glass-bg);
        flex-direction: column;
        align-items: start;
        padding: 4rem 1rem;
        transition: right var(--transition);
    }
    .nav-links.open {
        right: 0;
    }
    .nav-toggle {
        display: block;
    }
}