/* ── RESPONSIVE BREAKPOINTS ── */

@media (max-width: 900px) {
    .landing-brand {
        font-size: clamp(2.8rem, 10vw, 5rem);
    }
}

@media (max-width: 900px) {

    .platform-capabilities,
    .pillar-grid,
    .trust-grid {
        grid-template-columns: 1fr;
    }

    .use-case-panels {
        grid-template-columns: 1fr;
    }

    .use-case-panel:nth-child(5) {
        grid-column: auto;
    }

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

    .timeline::before {
        display: none;
    }

    .persona-tabs {
        gap: 0.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(6, 5, 21, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--rule);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .hero-headline {
        font-size: clamp(2.2rem, 8vw, 3.5rem);
    }

    .hero-content {
        padding: 3rem 1.5rem 4rem;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: flex-start;
    }

    .section-inner {
        padding: 5rem 1.5rem;
    }

    .signup-inner {
        padding: 5rem 1.5rem;
    }

    .form-row {
        flex-direction: column;
    }

    .footer-columns {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        text-align: center;
    }

    .platform-headline {
        font-size: clamp(2rem, 7vw, 3.5rem);
    }

    .platform-content {
        padding: 3rem 1.5rem;
    }
}