@media (max-width: 1020px) {
    .hero-grid { grid-template-columns: 1fr; gap: 62px; }
    .hero-margin-note { max-width: 650px; }
    .chapter-layout { grid-template-columns: 86px minmax(0,1fr); gap: 44px; }
    .section-heading-row { gap: 46px; }
    .identity-grid { gap: 60px; }
    .topic-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 900px) {
    .section { padding: 88px 0; }
    .primary-navigation {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        display: none;
        max-height: calc(100vh - 76px);
        padding: 22px 24px 28px;
        overflow-y: auto;
        border-top: 1px solid rgba(255,255,255,0.08);
        background: #111412;
        box-shadow: 0 20px 40px rgba(0,0,0,0.22);
    }
    .primary-navigation.is-open { display: block; }
    .primary-navigation ul { flex-direction: column; align-items: stretch; gap: 7px; width: min(100%, var(--container-width)); margin-inline: auto; }
    .primary-navigation a { display: block; padding: 10px 0; }
    .primary-navigation .nav-emergency-link { margin-top: 8px; padding: 12px 14px; text-align: center; }
    .nav-toggle { display: block; }

    .thesis-strip-inner { grid-template-columns: 115px 1fr; }
    .editorial-columns, .section-heading-row, .identity-grid, .crisis-panel { grid-template-columns: 1fr; gap: 38px; }
    .section-side-note { max-width: 680px; }
    .mantras-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .mantra-card-wide { grid-column: span 2; }
    .principles-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
    html { scroll-padding-top: 90px; }
    .container { width: min(calc(100% - 30px), var(--container-width)); }
    .section { padding: 72px 0; }
    .content-notice { font-size: 0.68rem; }
    .site-header-inner { min-height: 70px; }
    .brand-mark { width: 38px; height: 38px; }
    .brand-name { font-size: 1rem; }
    .brand-description { font-size: 0.56rem; }

    .hero { padding: 84px 0 78px; }
    .hero h1 { font-size: clamp(3.2rem, 16vw, 5.1rem); }
    .hero-thesis { font-size: 1.55rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .button { width: 100%; }
    .hero-margin-note { padding-left: 18px; }

    .thesis-strip-inner { grid-template-columns: 1fr; gap: 8px; min-height: 0; padding: 28px 0; }
    .chapter-layout { grid-template-columns: 1fr; gap: 32px; }
    .chapter-label { display: flex; align-items: baseline; gap: 12px; max-width: 100%; }
    .chapter-label strong { margin: 0; font-size: 2.1rem; }
    .chapter-label span:last-child { margin-left: auto; }
    .editorial-columns { margin-top: 34px; }
    .annotation-card { transform: none; }

    .mantras-grid { grid-template-columns: 1fr; }
    .mantra-card, .mantra-card-wide { grid-column: auto; min-height: 0; padding: 26px; }
    .mantra-number { margin-bottom: 28px; }

    .method-grid { grid-template-columns: 1fr; }
    .method-card, .method-card:nth-child(odd), .method-card:nth-child(even) { padding: 25px 0; border-right: 0; }
    .identity-ledger { margin-top: 15px; }
    .ledger-row { grid-template-columns: 0.85fr 1.15fr; gap: 18px; }
    .night-section { padding: 90px 0; }
    .night-section h2 { font-size: clamp(3rem, 14vw, 4.7rem); }
    .night-statement { margin: 54px 0 34px; padding: 28px 0 28px 22px; }

    .topic-grid { grid-template-columns: 1fr; }
    .topic-card { min-height: 0; }
    .section-action { grid-template-columns: 1fr; gap: 8px; }
    .crisis-panel { padding: 28px; }
    .crisis-actions .button { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 38px; }
    .footer-about { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

@media (max-width: 900px) {
    .toolkit-heading { grid-template-columns: 1fr; gap: 30px; }
    .toolkit-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-bottom-inner { align-items: flex-start; flex-direction: column; gap: 10px; }
}

@media (max-width: 700px) {
    .toolkit-panel { margin-top: 52px; padding-top: 42px; }
    .toolkit-heading > p { padding-left: 18px; }
    .toolkit-grid { grid-template-columns: 1fr; }
    .tool-item { min-height: 0; padding: 25px; }
    .tool-index { margin-bottom: 22px; }
}


@media (max-width: 700px) {
    .hero-mark { max-width: 220px; }
    .footer-brand-mark { width: 42px; height: 42px; }
}


@media (max-width: 900px) {
    .quick-start-heading { grid-template-columns: 1fr; gap: 18px; }
    .quick-start-grid { grid-template-columns: 1fr; }
    .quick-start-card { min-height: 0; }
}

@media (max-width: 700px) {
    .quick-start { padding: 44px 0 50px; }
    .quick-start-index { margin-bottom: 22px; }
    .quick-start-card { padding: 24px; }
}