/* Color Palette */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #cbd5e1;
    --card-bg: #1e293b;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-light);
    background-color: var(--dark-bg);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--text-light) !important;
}

.text-accent {
    color: var(--accent-color);
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-image {
    position: relative;
    z-index: 1;
    animation: fadeInRight 1s ease;
}

.image-placeholder {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border-radius: 20px;
    padding: 4rem 2rem;
    text-align: center;
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.image-placeholder i {
    font-size: 10rem;
    color: var(--primary-color);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-outline-light {
    border: 2px solid var(--text-light);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: var(--text-light);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.3rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

/* Section Title */
.section-title h2 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
#about {
    background: var(--dark-bg);
}

.about-content {
    color: var(--text-light);
}

.about-content p {
    line-height: 1.8;
}

/* Skills Section */
.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
    border-color: var(--primary-color);
}

.skill-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.skill-card h4 {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-badge {
    background: rgba(99, 102, 241, 0.2);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Projects Section */
#projects {
    background: var(--dark-bg);
}

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

.project-image {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
}

.project-content {
    padding: 1.5rem;
}

.project-content h4 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-light);
    opacity: 0.8;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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

.tech-badge {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 3px solid var(--dark-bg);
}

.timeline-content {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.timeline-content h5 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* Contact Section */
#contact {
    background: var(--dark-bg);
}

.contact-info {
    height: 100%;
}

.contact-item {
    margin-bottom: 2rem;
    text-align: center;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.contact-item h5 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--accent-color);
}

.social-links-contact {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.contact-form .form-control {
    background: var(--card-bg);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--text-light);
    padding: 0.75rem 1rem;
    border-radius: 10px;
}

.contact-form .form-control:focus {
    background: var(--card-bg);
    color: var(--text-light);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.contact-form .form-control::placeholder {
    color: rgba(203, 213, 225, 0.5);
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.95);
    color: var(--text-light);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }

    .display-4 {
        font-size: 2rem;
    }

    .social-links {
        justify-content: center;
    }

    .timeline {
        padding-left: 1.5rem;
    }
}