/* concengine.com */
/* Colors: #06b6d4, #1e293b, #e2e8f0, #111827, #f59e0b, #0f172a, #334155, #94a3b8, #475569, #f8fafc */

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

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.7;
    background: #111827;
    color: #e2e8f0;
    overflow-x: hidden;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    background: radial-gradient(ellipse at center, #1e293b 0%, #111827 70%);
    position: relative;
}

.engine-pulse {
    position: absolute;
    top: 50%; left: 50%;
    width: 300px; height: 300px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid #06b6d4;
    opacity: 0.1;
    animation: enginePulse 3s ease-out infinite;
    pointer-events: none;
}

@keyframes enginePulse {
    0% { width: 100px; height: 100px; opacity: 0.2; }
    100% { width: 500px; height: 500px; opacity: 0; }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(3rem, 10vw, 7rem);
    color: #f8fafc;
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1.5s ease forwards;
}

@keyframes fadeIn { to { opacity: 1; } }

.hero-sub {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    color: #94a3b8;
    margin-top: 16px;
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s 0.8s ease forwards;
}

.section {
    padding: 100px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: #111827;
}

.section-alt { background: #0f172a; }

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 3rem);
    color: #f8fafc;
    margin-bottom: 20px;
}

.section-text {
    font-weight: 300;
    font-size: 17px;
    color: #94a3b8;
    max-width: 600px;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    max-width: 800px;
    width: 100%;
}

.feature {
    border: 1px solid #334155;
    padding: 28px;
    text-align: left;
    transition: border-color 0.3s ease;
}

.feature:hover { border-color: #06b6d4; }
.feature-icon { color: #06b6d4; font-size: 20px; display: block; margin-bottom: 12px; }
.feature h3 { font-family: 'Space Grotesk', sans-serif; font-size: 18px; color: #e2e8f0; margin-bottom: 8px; }
.feature p { font-size: 14px; color: #94a3b8; }

.metric-row {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.metric-val {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 36px;
    color: #f59e0b;
}

.metric-label {
    font-size: 12px;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
}

.site-footer {
    text-align: center;
    padding: 40px;
    background: #111827;
    color: #334155;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
}

@media (max-width: 768px) {
    .section { padding: 60px 24px; }
    .feature-grid { grid-template-columns: 1fr; }
}