:root {
    --primary-color: #007a17;
    --secondary-color: #0056b3;
    --accent-color: #28a745;
    --text-light: #6c757d;
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --border-color: #30363d;
    --gradient: linear-gradient(135deg, #007a17 0%, #0056b3 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

.navbar {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(0, 122, 23, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 86, 179, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(40, 167, 69, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-image {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    box-shadow:
        0 20px 40px rgba(0, 122, 23, 0.3),
        0 0 0 10px rgba(0, 122, 23, 0.1);
    transition: all 0.3s ease;
}

.hero-image:hover {
    transform: scale(1.05);
    box-shadow:
        0 25px 50px rgba(0, 122, 23, 0.4),
        0 0 0 15px rgba(0, 122, 23, 0.15);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--text-light);
    margin-bottom: 2rem;
}

.btn-primary-custom {
    background: var(--gradient);
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 122, 23, 0.3);
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 122, 23, 0.4);
    color: white;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-modern {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    height: 100%;
}

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

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.tech-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 122, 23, 0.1);
    padding: 1rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.tech-name {
    font-weight: 600;
}

.tech-rating {
    background: var(--gradient);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-image {
    width: 80px;
    height: 80px;
    border-radius: 15px;
    margin-right: 1.5rem;
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.project-category {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline {
    position: relative;
}

.timeline-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-year {
    background: var(--gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.contact-info {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    color: white;
}

@media (max-width: 768px) {
    .hero-image {
        width: 220px;
        height: 220px;
    }

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

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}