:root {
    --primary-green: #00d26a;
    --dark-green: #00a855;
    --bg-black: #0d1117;
    --bg-dark: #161b22;
    --bg-card: rgba(22, 27, 34, 0.95);
    --border-green: rgba(0, 210, 106, 0.2);
    --text-gray: #e6edf3;
    --text-gray-dark: #7d8590;
    --glow-intensity: 0 0 2px var(--primary-green);
    --font-main: 'JetBrains Mono', 'Fira Code', monospace;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background:
        radial-gradient(circle at 20% 20%, rgba(0, 210, 106, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 210, 106, 0.02) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-black) 0%, #0a0f0c 100%);
    color: var(--text-gray);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    font-weight: 400;
    line-height: 1.6;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(0deg,
            transparent,
            transparent 100px,
            rgba(0, 210, 106, 0.01) 101px,
            rgba(0, 210, 106, 0.01) 102px),
        repeating-linear-gradient(90deg,
            transparent,
            transparent 100px,
            rgba(0, 210, 106, 0.01) 101px,
            rgba(0, 210, 106, 0.01) 102px);
    pointer-events: none;
    z-index: -1;
}

.scanline-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 210, 106, 0.01) 2px,
            rgba(0, 210, 106, 0.01) 4px);
    pointer-events: none;
    z-index: 1;
    opacity: 0.3;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.cursor {
    animation: blink 1.2s infinite;
    color: var(--primary-green);
    font-weight: normal;
}

.text-glow {
    text-shadow: var(--glow-intensity);
    color: var(--primary-green);
}

.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.terminal-window {
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-green);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
    min-height: 90vh;
}

.interactive-card {
    background: rgba(0, 210, 106, 0.02);
    border: 1px solid var(--border-green);
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.interactive-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 2px 12px rgba(0, 210, 106, 0.1);
    transform: translateY(-2px);
}

.interactive-link {
    transition: all 0.3s ease;
    position: relative;
    color: var(--primary-green);
}

.interactive-link:hover {
    background: rgba(0, 210, 106, 0.15);
    color: var(--primary-green);
    text-shadow: var(--glow-intensity);
    transform: scale(1.02);
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--border-green);
    z-index: 1000;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-drawer.open {
    right: 0;
}

.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-green);
    background: rgba(0, 0, 0, 0.3);
}

.drawer-close {
    background: transparent;
    border: 1px solid var(--border-green);
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.drawer-close:hover {
    background: rgba(0, 210, 106, 0.1);
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.drawer-nav {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.drawer-nav a {
    color: var(--text-gray);
    text-decoration: none;
    padding: 12px 16px;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    font-family: var(--font-main);
}

.drawer-nav a:hover {
    background: rgba(0, 210, 106, 0.1);
    border-color: var(--border-green);
    color: var(--primary-green);
    text-shadow: var(--glow-intensity);
}

.language-switch {
    padding: 20px;
    border-top: 1px solid var(--border-green);
    margin-top: auto;
}

.language-switch-title {
    font-size: 0.875rem;
    color: var(--text-gray-dark);
    margin-bottom: 12px;
    font-weight: 500;
}

.language-switch-buttons {
    display: flex;
    gap: 8px;
}

.language-switch-buttons button {
    background: transparent;
    border: 1px solid var(--border-green);
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.75rem;
    color: var(--text-gray);
    flex: 1;
}

.language-switch-buttons button:hover {
    background: rgba(0, 210, 106, 0.1);
    border-color: var(--primary-green);
}

.language-switch-buttons button.active {
    background: rgba(0, 210, 106, 0.2);
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.language-switch-desktop {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 50;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(0, 210, 106, 0.3);
    border-radius: 8px;
    padding: 8px;
    display: flex;
    gap: 4px;
}

.language-switch-desktop button {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-gray);
}

.language-switch-desktop button:hover {
    border-color: rgba(0, 210, 106, 0.5);
    background: rgba(0, 210, 106, 0.1);
}

.language-switch-desktop button.active {
    background: rgba(0, 210, 106, 0.2);
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--border-green);
    border-radius: 6px;
    padding: 8px;
    cursor: pointer;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    background: rgba(0, 210, 106, 0.1);
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.nav-terminal {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-green);
    border-radius: 8px;
}

.nav-terminal .interactive-link {
    text-decoration: none;
    font-family: var(--font-main);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-green);
}

@media (max-width: 768px) {
    .language-switch-desktop {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-terminal .flex.gap-4 {
        display: none;
    }
    
    #typing-header {
        font-size: 1.25rem !important;
        min-height: 120px !important;
    }
}

@media (min-width: 769px) {
    .mobile-drawer,
    .mobile-drawer-overlay {
        display: none;
    }
}

@media (max-width: 480px) {
    .language-switch-desktop {
        top: 10px;
        right: 10px;
        padding: 6px;
    }

    .language-switch-desktop button {
        padding: 3px 6px;
        font-size: 0.7rem;
    }
}