@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Color Palette - Deep Forest / Digital Nature */
    --primary: #22c55e;
    --primary-glow: rgba(34, 197, 94, 0.4);
    --bg-dark: #061612;
    --surface: #0f2922;
    --surface-light: #163a30;
    --text-bright: #ecfdf5;
    --text-muted: #94a3b8;
    --border: rgba(34, 197, 94, 0.2);

    /* Layout Constants */
    --max-width: 1200px;
    --navbar-height: 80px;
}

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

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

/* Background Overlay for the Digital Nature Aesthetic */
.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 20%, rgba(34, 197, 94, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(34, 197, 94, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

/* Base Components */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(34, 197, 94, 0.1);
}

/* Navbar */
nav {
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to bottom right, #fff, #22c55e);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.terminal {
    background: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
    text-align: left;
}

/* Terminal Window & Screen */
.terminal-window {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.7), 0 0 1px var(--primary);
    margin: 4rem auto;
    max-width: 900px;
    border: 1px solid var(--border);
    text-align: left;
}

.terminal-titlebar {
    background: #1a1a1a;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #333;
}

.terminal-screen {
    background: #000;
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #d1d5db;
    overflow-x: auto;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

/* TUI Application Elements (Inside the screen) */
.tui-block {
    border: 1px solid #333;
    padding: 0.5rem 1rem;
    margin-bottom: 0.5rem;
    position: relative;
    border-radius: 4px;
}

.tui-block-title {
    position: absolute;
    top: -0.8rem;
    left: 1rem;
    background: #000;
    padding: 0 0.5rem;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: bold;
}

.tui-header {
    border: 1px solid var(--primary);
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
}

.tui-content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
}

.tui-footer {
    margin-top: auto;
    border: 1px solid #333;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
}

.tui-pane {
    border: 1px solid #333;
    padding: 0.75rem;
    border-radius: 4px;
    flex: 1;
    position: relative;
}

.tui-pane.active {
    border-color: #ffbd2e;
}

.tui-line {
    white-space: pre;
    margin-bottom: 0.2rem;
}

.tui-cursor {
    background: #444;
    color: #fff;
    padding: 0 4px;
    border-radius: 2px;
}

.tui-key {
    color: #fff;
    font-weight: 600;
}

.tui-val {
    color: var(--primary);
}

.tui-view {
    display: none;
    height: 100%;
    flex-direction: column;
}

.tui-view.active {
    display: flex;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

/* Dot styles (from original terminal mockup) */
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red {
    background: #ff5f56;
}

.dot-yellow {
    background: #ffbd2e;
}

.dot-green {
    background: #27c93f;
}

/* Terminal line styles (from original terminal mockup) */
.line {
    margin-bottom: 0.25rem;
    white-space: pre;
}

.t-green {
    color: var(--primary);
}

.t-blue {
    color: #60a5fa;
}

.t-yellow {
    color: #fbbf24;
}

.t-gray {
    color: #6b7280;
}

/* Features */
.features {
    padding: 8rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: var(--surface-light);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: inline-block;
}

/* Animations for Showcase */
.showcase-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-bright);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.tab-btn.active {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
}

/* Animations */
/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 4rem 0;
    }

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