style.css

:root {
    font-family: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
    color: #f7f7fb;
    background-color: #05060a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(255, 95, 109, 0.25), transparent 50%),
        radial-gradient(circle at 20% 20%, rgba(135, 241, 255, 0.18), transparent 55%),
        #05060a;
    color: #fff;
}

.landing-bg {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 80% 10%, rgba(255, 206, 134, 0.4), transparent 60%),
        radial-gradient(circle at 10% 80%, rgba(96, 88, 255, 0.35), transparent 70%);
    filter: blur(90px);
    opacity: 0.6;
    pointer-events: none;
}

.landing-shell {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 24px 120px;
}

.landing-hero {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 32px;
}

.eyebrow {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.25rem;
    color: rgba(247, 247, 251, 0.7);
    margin: 0 0 8px;
}

.landing-hero h1 {
    margin: 0;
    font-size: clamp(2.2rem, 4vw, 3.1rem);
}

.subtitle {
    margin-top: 8px;
    color: rgba(247, 247, 251, 0.7);
    max-width: 520px;
}

.hero-meta {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.hero-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
}

.landing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.landing-card {
    background: rgba(14, 16, 26, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(16px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.card-header h2 {
    margin: 0 0 6px;
}

.card-header p {
    margin: 0;
    color: rgba(247, 247, 251, 0.7);
}

.primary {
    width: 100%;
    padding: 12px;
    border-radius: 999px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(120deg, #ff8ba7, #87f1ff);
    color: #05060a;
    opacity: 0.5;
}

.primary.ghosted {
    opacity: 0.6;
}

.status-line {
    text-align: center;
    font-size: 0.95rem;
    color: rgba(247, 247, 251, 0.7);
    margin-top: 12px;
}

.landing-select {
    margin-top: 10px;
}

.select-label {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: 6px;
}

.select-fake {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
}

.chevron {
    opacity: 0.6;
}

.description {
    margin-top: 8px;
    color: rgba(247, 247, 251, 0.7);
}

.param-actions {
    display: flex;
    gap: 12px;
}

.param-actions .primary {
    flex: 0 0 auto;
}

.param-actions .secondary,
.param-actions .ghost {
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: rgba(247, 247, 251, 0.7);
}

.bpm-block {
    margin-top: 18px;
    margin-bottom: 18px;
}

.field-heading {
    display: flex;
    justify-content: space-between;
    font-weight: 500;
}

.slider {
    margin-top: 12px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, #ff8ba7, #87f1ff);
    opacity: 0.4;
}

.params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.param-chip {
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

.param-label {
    display: block;
    font-size: 0.75rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.param-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.viz-placeholder {
    margin-top: 12px;
    padding: 24px;
    border-radius: 16px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(247, 247, 251, 0.7);
    text-align: center;
}

.landing-footer {
    text-align: center;
    color: rgba(247, 247, 251, 0.7);
    padding: 32px 16px 48px;
}

.landing-footer a {
    color: #fff;
    text-decoration: none;
}

.landing-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 720px) {
    .landing-grid {
        grid-template-columns: 1fr;
    }

    .param-actions {
        flex-direction: column;
    }
}