* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Manrope', sans-serif;
    background: radial-gradient(1200px 600px at 10% 10%, #1e3a8a 0%, transparent 60%),
        radial-gradient(900px 500px at 90% 20%, #0f172a 0%, #0b1120 60%);
    color: #e2e8f0;
    min-height: 100vh;
}

.landing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 48px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand img {
    width: 48px;
    height: 48px;
}

.brand strong {
    display: block;
    font-size: 16px;
}

.brand span {
    font-size: 12px;
    color: #94a3b8;
}

.landing-actions {
    display: flex;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
}

.btn.primary {
    background: #38bdf8;
    color: #0f172a;
}

.btn.ghost {
    border: 1px solid #334155;
    color: #e2e8f0;
}

.landing-main {
    padding: 0 48px 48px;
}

.hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: stretch;
    margin-bottom: 32px;
}

.hero-text h1 {
    font-size: 40px;
    line-height: 1.1;
    margin: 0 0 12px;
}

.hero-text p {
    color: #cbd5f5;
    font-size: 16px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.hero-card {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 20px;
    border-radius: 16px;
}

.hero-card h3 {
    margin-top: 0;
}

.hero-card ul {
    padding-left: 18px;
    margin: 0;
    color: #cbd5f5;
}

.ad-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px dashed rgba(148, 163, 184, 0.3);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 32px;
}

.ad-label {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 8px;
}

.ad-slot {
    display: block;
    min-height: 90px;
    width: 100%;
}

.features {
    margin-bottom: 32px;
}

.features h2 {
    font-size: 24px;
    margin: 0 0 16px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.feature-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 14px;
    padding: 16px;
}

.feature-card h4 {
    margin: 0 0 8px;
}

.feature-card p {
    margin: 0;
    color: #cbd5f5;
    font-size: 14px;
}

.cta {
    background: linear-gradient(120deg, rgba(56, 189, 248, 0.2), rgba(15, 23, 42, 0.9));
    border-radius: 18px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.cta h2 {
    margin: 0 0 8px;
}

.cta p {
    margin: 0;
    color: #cbd5f5;
}

.cta-actions {
    display: flex;
    gap: 10px;
}

.landing-footer {
    padding: 24px 48px;
    display: flex;
    justify-content: space-between;
    color: #94a3b8;
    font-size: 12px;
}

@media (max-width: 900px) {
    .landing-header {
        padding: 20px;
        flex-direction: column;
        gap: 12px;
    }

    .landing-main {
        padding: 0 20px 32px;
    }

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

    .landing-footer {
        padding: 20px;
        flex-direction: column;
        gap: 6px;
        align-items: center;
    }
}