:root {
    --bg: #0B0B0B;
    --surface: #141414;
    --surface-hover: #1E1E1E;
    --border: #2A2A2A;
    --border-hover: #404040;
    --text-primary: #EDEDED;
    --text-secondary: #888888;
    --accent: #4ADE80; /* Neo-green */
    --accent-glow: rgba(74, 222, 128, 0.15);
}

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

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: 'Geist', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Background Glow Effect */
.glow-bg {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 800px;
    background: radial-gradient(circle at 50% 50%, var(--accent-glow) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 48px;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 11, 11, 0.7);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 32px;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.fade-up {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.6s; }

.hero {
    max-width: 860px;
    margin: 100px auto 80px;
    text-align: center;
    padding: 0 24px;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.hero h1 {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 24px;
    background: linear-gradient(180deg, #FFFFFF 0%, #A0A0A0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p.subtitle {
    font-size: 21px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

.cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg);
    box-shadow: 0 0 0 0 rgba(255,255,255,0.2);
}

.btn-primary:hover {
    background-color: #FFFFFF;
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(255,255,255,0.15);
}

.btn-secondary {
    background-color: rgba(255,255,255,0.03);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.08);
    border-color: var(--border-hover);
}

/* Terminal */
.terminal-wrapper {
    perspective: 1000px;
    margin: 64px auto 0;
    max-width: 640px;
}

.terminal {
    background: linear-gradient(180deg, rgba(20,20,20,0.8) 0%, rgba(10,10,10,0.9) 100%);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    text-align: left;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05) inset;
    backdrop-filter: blur(12px);
    animation: float 6s ease-in-out infinite;
    transform-style: preserve-3d;
}

.terminal-header {
    background-color: rgba(255,255,255,0.02);
    padding: 14px 18px;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background-color: #FF5F56; }
.dot.yellow { background-color: #FFBD2E; }
.dot.green { background-color: #27C93F; }

.terminal-body {
    padding: 24px;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    color: #D4D4D1;
    line-height: 1.8;
    min-height: 180px;
}

.terminal-line {
    opacity: 0;
    transform: translateY(5px);
    transition: all 0.2s ease-out;
}
.terminal-line.visible {
    opacity: 1;
    transform: translateY(0);
}
.cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background-color: var(--text-secondary);
    vertical-align: middle;
    animation: blink 1s step-end infinite;
    margin-left: 4px;
}
@keyframes blink { 50% { opacity: 0; } }

.highlight {
    color: var(--accent);
    font-weight: 500;
}

/* Sections */
.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 48px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1040px;
    margin: 0 auto 120px;
    padding: 0 24px;
}

.feature-card {
    background-color: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    background-color: rgba(255,255,255,0.04);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    margin-bottom: 24px;
    color: var(--text-primary);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* How it works */
.how-it-works {
    max-width: 1040px;
    margin: 0 auto 120px;
    padding: 0 24px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.step {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step-num {
    font-family: 'Geist Mono', monospace;
    font-size: 13px;
    color: var(--bg);
    background: var(--text-primary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 600;
}

.step h4 {
    font-size: 18px;
    font-weight: 500;
}

.step p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Footer */
footer {
    text-align: center;
    padding: 48px 24px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    background: rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 44px; }
    .cta-group { flex-direction: column; }
    .navbar { padding: 16px 24px; }
}