@media (max-width: 980px) {
    .site-nav {
        top: 0.65rem;
        width: min(calc(100% - 1rem), 720px);
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 0.6rem);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 0.7rem;
        border: 1px solid var(--border);
        border-radius: 1rem;
        background: var(--surface);
        box-shadow: var(--shadow);
    }

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

    .nav-link {
        padding: 1rem;
    }

    .menu-toggle {
        display: block;
    }

    .button-compact {
        display: none;
    }

    .hero-content,
    .two-column,
    .modal-panel {
        grid-template-columns: 1fr;
    }

    .hero-content {
        min-height: auto;
    }

    .hero-visual {
        min-height: 28rem;
    }

    .chapter-marker {
        position: relative;
        top: auto;
    }

    .stack-grid,
    .skills-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-heading {
        grid-template-columns: 1fr;
    }

    .section-heading h2 {
        text-align: left;
    }

    .section-heading .filter-group {
        margin-top: 0;
    }

    .project-card {
        flex-basis: min(68vw, 27rem);
    }

    .side-left {
        left: 0.75rem;
    }

    .side-right {
        right: 0.75rem;
    }
}

@media (max-width: 720px) {
    .hero {
        min-height: auto;
        padding: 6.7rem 1rem 4.2rem;
    }

    .hero-content,
    .section-shell,
    .footer-inner {
        width: 100%;
    }

    .hero-title {
        max-width: 11ch;
        font-size: clamp(3rem, 14vw, 4.5rem);
    }

    .hero-actions,
    .skills-header,
    .footer-inner {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero-visual {
        min-height: 24rem;
        border-radius: 1rem;
    }

    .floating-panel {
        min-width: 8.5rem;
        padding: 0.8rem;
    }

    .panel-a {
        left: 5%;
        top: 8%;
    }

    .panel-b {
        right: 5%;
        top: 44%;
    }

    .panel-c {
        left: 8%;
        bottom: 8%;
    }

    .stack-grid,
    .skills-grid,
    .modal-metrics {
        grid-template-columns: 1fr;
    }

    .project-card {
        flex-basis: 84vw;
    }

    .edge-carousel-wrap {
        margin-inline: -1rem;
    }

    .project-grid {
        padding-inline: 1rem;
    }

    .side-carousel-button {
        width: 2.75rem;
        height: 2.75rem;
    }

    .project-visual {
        min-height: 13rem;
    }

    .destination-card {
        width: 9rem;
        height: 6.8rem;
    }

    .modal-visual {
        min-height: 16rem;
    }

    .theme-toggle {
        right: 0.8rem;
        bottom: 0.8rem;
    }
}

@media (max-width: 420px) {
    .brand {
        gap: 0.45rem;
        padding-left: 0.35rem;
    }

    .hero-title {
        font-size: 3.45rem;
    }

    .filter-group {
        width: 100%;
        justify-content: space-between;
    }

    .filter-button {
        flex: 1;
    }

    .contact {
        min-height: auto;
        padding-top: 4.8rem;
    }

}