:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --dark-bg: #0f172a;
    --darker-bg: #0a0f1c;
    --text-light: #f1f5f9;
    --text-gray: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
}

/* Glass Navigation */
.glass-nav {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: var(--text-light) !important;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 50px rgba(99, 102, 241, 0.3);
    animation: float 3s ease-in-out infinite;
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 3.5rem;
    font-weight: 700;
}

/* Cards */
.project-card, .skill-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: all 0.3s ease;
    overflow: hidden;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-tech {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    margin: 0.25rem;
    color: var(--primary-color);
}

/* Skill Bars */
.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.skill-bar {
    background: var(--glass-bg);
    height: 10px;
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    height: 100%;
    border-radius: 10px;
    transition: width 1.5s ease;
    width: 0;
}

/* Buttons */
.btn-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
    color: white;
}

.btn-outline-glass {
    background: transparent;
    border: 1px solid var(--glass-border);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.btn-outline-glass:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border-radius: 50%;
    color: var(--text-light);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    color: white;
}

/* Contact Form */
.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    padding: 0.75rem;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--text-light);
    box-shadow: none;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(var(--primary-color), var(--secondary-color));
}

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

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 768px) {
    .gradient-text {
        font-size: 2rem;
    }
    
    .profile-image {
        width: 180px;
        height: 180px;
    }
    
    .timeline::before {
        left: 20px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}