.nbi19-landing-page {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    background: radial-gradient(circle at top left, #1f2937 0, #020617 55%, #000000 100%);
    color: #e5e7eb;
    overflow: hidden;
}

.nbi19-landing-gradient {
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 10% 0%, rgba(129, 140, 248, 0.28), transparent 55%),
        radial-gradient(circle at 90% 10%, rgba(34, 197, 94, 0.24), transparent 55%),
        radial-gradient(circle at 10% 90%, rgba(56, 189, 248, 0.18), transparent 55%);
    opacity: 0.85;
    filter: blur(6px);
    z-index: 1;
}

.nbi19-landing-header,
.nbi19-landing-footer {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    font-size: 13px;
}

.nbi19-landing-header {
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
    backdrop-filter: blur(18px);
}

.nbi19-landing-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.18);
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
    backdrop-filter: blur(18px);
    gap: 8px;
    flex-wrap: wrap;
}

.nbi19-footer-dot {
    opacity: 0.6;
}

.nbi19-landing-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nbi19-logo-mark {
    width: 26px;
    height: 26px;
    border-radius: 9px;
    background: radial-gradient(circle at 20% 20%, #e5e7eb, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: #020617;
    box-shadow:
        0 10px 30px rgba(15, 23, 42, 0.7),
        0 0 0 1px rgba(148, 163, 184, 0.45);
}

.nbi19-logo-text {
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 11px;
    color: #e5e7eb;
}

.nbi19-landing-nav .nbi19-pill {
    display: inline-flex;
    align-items: center;
    padding: 5px 11px;
    border-radius: 999px;
    border: 1px solid rgba(129, 140, 248, 0.7);
    font-size: 11px;
    color: #c7d2fe;
    background: rgba(15, 23, 42, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.nbi19-landing-main {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 32px;
}

.nbi19-landing-hero {
    max-width: 1040px;
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
}

.nbi19-hero-text h1 {
    margin: 0 0 10px;
    font-size: 32px;
    line-height: 1.15;
    color: #f9fafb;
}

.nbi19-hero-lead {
    margin: 0 0 16px;
    font-size: 15px;
    line-height: 1.7;
    color: #d1d5db;
}

.nbi19-highlight {
    display: inline-block;
    margin-left: 3px;
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(37, 99, 235, 0.18);
    color: #bfdbfe;
    font-weight: 600;
}

.nbi19-hero-list {
    margin: 0 0 18px;
    padding-left: 18px;
    font-size: 14px;
    color: #e5e7eb;
}

.nbi19-hero-list li {
    margin-bottom: 4px;
}

.nbi19-hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.nbi19-primary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 999px;
    border: none;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, #4f46e5, #22c55e);
    color: #ffffff;
    box-shadow:
        0 14px 30px rgba(15, 23, 42, 0.6),
        0 0 0 1px rgba(15, 23, 42, 0.5);
    cursor: pointer;
    transition:
        transform 0.14s ease,
        box-shadow 0.14s ease,
        filter 0.14s ease;
}

.nbi19-primary-btn:hover {
    transform: translateY(-1px);
    box-shadow:
        0 18px 40px rgba(15, 23, 42, 0.75),
        0 0 0 1px rgba(15, 23, 42, 0.7);
    filter: brightness(1.04);
}

.nbi19-primary-btn:active {
    transform: translateY(0);
    box-shadow:
        0 12px 24px rgba(15, 23, 42, 0.7),
        0 0 0 1px rgba(15, 23, 42, 0.7);
}

.nbi19-countdown-note {
    margin: 0;
    font-size: 12px;
    color: #9ca3af;
}

.nbi19-hero-panel {
    display: flex;
    align-items: stretch;
    justify-content: center;
}

.nbi19-panel-card {
    width: 100%;
    background: rgba(15, 23, 42, 0.92);
    border-radius: 20px;
    padding: 22px 20px 20px;
    box-shadow:
        0 22px 60px rgba(0, 0, 0, 0.65),
        0 0 0 1px rgba(148, 163, 184, 0.12);
    backdrop-filter: blur(16px);
    font-size: 13px;
}

.nbi19-panel-card h2 {
    margin: 0 0 10px;
    font-size: 16px;
    color: #e5e7eb;
}

.nbi19-panel-card p {
    margin: 0 0 14px;
    color: #cbd5f5;
}

.nbi19-panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 14px;
    margin-bottom: 10px;
}

.nbi19-panel-label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #9ca3af;
    margin-bottom: 2px;
}

.nbi19-panel-value {
    font-size: 13px;
    font-weight: 500;
    color: #e5e7eb;
}

.nbi19-accent {
    color: #a5b4fc;
}

.nbi19-panel-footer {
    margin: 6px 0 0;
    font-size: 12px;
    color: #9ca3af;
}

@media (max-width: 900px) {
    .nbi19-landing-main {
        padding: 24px 18px;
    }
    .nbi19-landing-hero {
        grid-template-columns: minmax(0, 1fr);
        gap: 22px;
    }
}

@media (max-width: 600px) {
    .nbi19-landing-header,
    .nbi19-landing-footer {
        padding: 14px 16px;
    }
    .nbi19-landing-main {
        padding: 18px 14px 22px;
    }
    .nbi19-hero-text h1 {
        font-size: 24px;
    }
    .nbi19-hero-lead {
        font-size: 14px;
    }
}