/* Marketing landing surface (contract item 32: pre-login is marketing only).
   Every value resolves through a design token — nothing hardcoded (contract item 11). */

.mk {
    font-family: var(--typography-font-family-sans);
    color: var(--color-text-primary);
    background: var(--color-background-canvas);
    min-height: 100vh;
    line-height: var(--typography-line-height-normal);
}

.mk__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-8);
    border-bottom: 1px solid var(--color-border-subtle);
    background: var(--color-surface-base);
}

.mk__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-weight: var(--typography-font-weight-bold);
    font-size: var(--typography-font-size-lg);
    letter-spacing: var(--typography-letter-spacing-tight);
}

.mk__brand-mark {
    width: var(--spacing-8);
    height: var(--spacing-8);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-brand-primary-500), var(--color-brand-accent-500));
}

.mk__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-md);
    font-weight: var(--typography-font-weight-semibold);
    font-size: var(--typography-font-size-sm);
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--motion-duration-fast, 150ms) ease;
}

.mk__btn--primary {
    background: var(--color-action-primary-default);
    color: var(--color-action-primary-text);
}

.mk__btn--primary:hover {
    background: var(--color-action-primary-hover);
}

.mk__btn--ghost {
    color: var(--color-text-primary);
    border-color: var(--color-border-default);
    background: transparent;
}

.mk__hero {
    max-width: 72rem;
    margin: 0 auto;
    padding: var(--spacing-24) var(--spacing-8) var(--spacing-16);
    text-align: center;
}

.mk__eyebrow {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    background: var(--color-action-primary-subtle);
    color: var(--color-action-primary-default);
    font-size: var(--typography-font-size-xs);
    font-weight: var(--typography-font-weight-semibold);
    letter-spacing: var(--typography-letter-spacing-wide);
    text-transform: uppercase;
    margin-bottom: var(--spacing-6);
}

.mk__title {
    font-family: var(--typography-font-family-display);
    font-size: var(--typography-font-size-6xl);
    font-weight: var(--typography-font-weight-bold);
    line-height: var(--typography-line-height-tight);
    letter-spacing: var(--typography-letter-spacing-tight);
    margin: 0 0 var(--spacing-5);
}

.mk__title-accent {
    background: linear-gradient(120deg, var(--color-brand-primary-500), var(--color-brand-accent-500));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.mk__lede {
    font-size: var(--typography-font-size-xl);
    color: var(--color-text-secondary);
    max-width: 44rem;
    margin: 0 auto var(--spacing-8);
    line-height: var(--typography-line-height-relaxed);
}

.mk__cta-row {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

.mk__grid {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 var(--spacing-8) var(--spacing-24);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: var(--spacing-6);
}

.mk__card {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
}

.mk__card h3 {
    font-size: var(--typography-font-size-lg);
    font-weight: var(--typography-font-weight-semibold);
    margin: var(--spacing-3) 0 var(--spacing-2);
}

.mk__card p {
    font-size: var(--typography-font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.mk__card-icon {
    width: var(--spacing-10);
    height: var(--spacing-10);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-action-primary-subtle);
    color: var(--color-action-primary-default);
}

.mk__footer {
    border-top: 1px solid var(--color-border-subtle);
    padding: var(--spacing-8);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: var(--typography-font-size-sm);
}

@media (max-width: 640px) {
    .mk__title { font-size: var(--typography-font-size-4xl); }
    .mk__hero { padding-top: var(--spacing-16); }
}