.page-swim-guide {
    background: #082f31;
}

.swim-guide {
    --swim-ink: #183a36;
    --swim-deep: #075653;
    --swim-deep-dark: #043f3e;
    --swim-blue: #0e7894;
    --swim-blue-bright: #1a9bb8;
    --swim-paper: #fffdf1;
    --swim-cream: #fff9dc;
    --swim-gold: #e5b447;
    --swim-gold-light: #ffe584;
    --swim-green: #4f9b43;
    --swim-red: #b84635;
    --swim-muted: #3f564f;
    --swim-line: #183a36;
    background: var(--swim-cream);
    overflow-wrap: break-word;
    word-break: normal;
}

.swim-guide h1,
.swim-guide h2,
.swim-guide h3,
.swim-guide p,
.swim-guide ol,
.swim-guide ul,
.swim-guide dl,
.swim-guide figure {
    margin-top: 0;
}

.swim-guide h1,
.swim-guide h2,
.swim-guide h3,
.swim-guide p,
.swim-guide li,
.swim-guide dd,
.swim-guide dt,
.swim-guide a,
.swim-guide span,
.swim-guide button,
.swim-guide label,
.swim-guide summary {
    overflow-wrap: break-word;
}

.swim-guide [id] {
    scroll-margin-top: 104px;
}

.swim-guide button,
.swim-guide select,
.swim-guide input {
    font: inherit;
}

.swim-guide a:focus-visible,
.swim-guide button:focus-visible,
.swim-guide select:focus-visible,
.swim-guide input:focus-visible {
    outline: 3px solid #ffea82;
    outline-offset: 3px;
}

.swim-hero {
    position: relative;
    overflow: hidden;
    color: #fffdf0;
    background-color: #0d6f86;
    background-image:
        linear-gradient(118deg, rgba(4, 52, 62, 0.96) 0%, rgba(7, 86, 100, 0.9) 48%, rgba(14, 120, 148, 0.78) 100%),
        url("../images/water-tile.webp");
    background-repeat: repeat;
    background-size: auto, 96px 96px;
    border-bottom: 8px solid var(--swim-gold);
}

.swim-hero::before,
.swim-hero::after {
    position: absolute;
    content: "";
    pointer-events: none;
    border-radius: 50%;
}

.swim-hero::before {
    width: 340px;
    height: 340px;
    right: -120px;
    bottom: -160px;
    border: 40px solid rgba(255, 229, 132, 0.1);
}

.swim-hero::after {
    width: 210px;
    height: 210px;
    top: -100px;
    left: -70px;
    border: 28px solid rgba(255, 255, 255, 0.05);
}

.swim-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    width: min(calc(100% - 48px), 1180px);
    margin: 0 auto;
    padding: 58px 0 62px;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
    gap: 44px;
    align-items: center;
}

.swim-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 24px;
    color: #cfedf0;
    font-size: 12px;
    font-weight: 800;
}

.swim-breadcrumbs a {
    color: inherit;
    text-underline-offset: 3px;
}

.swim-breadcrumbs a:hover {
    color: #fff1a0;
}

.swim-kicker,
.swim-section-heading > p,
.swim-answer-heading p,
.swim-toc > p,
.swim-route-card > p,
.swim-map-grid article p,
.swim-story-grid article p {
    margin-bottom: 7px;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.swim-kicker {
    color: #ffe888;
}

.swim-hero h1 {
    max-width: 720px;
    margin-bottom: 18px;
    color: #fffdf0;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    text-shadow: 3px 3px 0 #043f3e;
}

.swim-lead {
    max-width: 680px;
    margin-bottom: 24px;
    color: #e5f4e5;
    font-size: 18px;
    line-height: 1.6;
    font-weight: 700;
}

.swim-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.swim-primary-action,
.swim-secondary-action {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border: 3px solid #132f2d;
    border-radius: 5px;
    box-shadow: 4px 4px 0 rgba(2, 43, 42, 0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 900;
}

.swim-primary-action {
    color: #183a36;
    background: #ffe27a;
}

.swim-secondary-action {
    color: #fff;
    background: rgba(255, 255, 255, 0.13);
}

.swim-primary-action:hover,
.swim-secondary-action:hover {
    transform: translateY(-1px);
    box-shadow: 4px 5px 0 rgba(2, 43, 42, 0.9);
}

.swim-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0;
}

.swim-hero-stats > div {
    display: grid;
    min-width: 108px;
    gap: 2px;
    padding: 8px 13px;
    background: rgba(2, 47, 47, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.swim-hero-stats dt {
    color: #bfe3d0;
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
}

.swim-hero-stats dd {
    margin: 0;
    color: #fff4a6;
    font-size: 15px;
    font-weight: 900;
}

.swim-answer-card {
    padding: 22px;
    color: var(--swim-ink);
    background: var(--swim-paper);
    border: 4px solid var(--swim-line);
    border-radius: 8px;
    box-shadow: 9px 9px 0 rgba(3, 48, 47, 0.72);
}

.swim-answer-heading {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.swim-bubble {
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 3px solid var(--swim-line);
    background:
        radial-gradient(circle at 30% 30%, #fff 0 18%, transparent 19%),
        radial-gradient(circle at 55% 45%, #7fd7ef 0 42%, #1a9bb8 43% 100%);
    box-shadow: 3px 3px 0 rgba(24, 58, 54, 0.35);
}

.swim-answer-heading p {
    margin: 0 0 2px;
    color: var(--swim-blue);
}

.swim-answer-heading h2 {
    margin: 0;
    color: var(--swim-ink);
    font-size: 22px;
    line-height: 1.15;
}

.swim-answer-card ol {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.swim-answer-card li {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
}

.swim-answer-card li span {
    display: inline-flex;
    width: 28px;
    height: 28px;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--swim-line);
    border-radius: 999px;
    background: #d7f4ff;
    color: var(--swim-deep);
    font-size: 12px;
    font-weight: 900;
}

.swim-answer-card li p {
    margin: 0;
    color: var(--swim-ink);
    font-size: 14px;
    line-height: 1.45;
    font-weight: 700;
}

.swim-answer-note {
    margin: 16px 0 0;
    padding-top: 14px;
    border-top: 2px dashed rgba(24, 58, 54, 0.25);
    color: var(--swim-muted);
    font-size: 13px;
    line-height: 1.5;
    font-weight: 700;
}

.swim-page-layout {
    display: grid;
    width: min(calc(100% - 48px), 1180px);
    margin: 0 auto;
    padding: 36px 0 72px;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
    align-items: start;
}

.swim-main-column {
    display: grid;
    gap: 28px;
    min-width: 0;
}

.swim-section {
    padding: 26px;
    background: var(--swim-paper);
    border: 4px solid var(--swim-line);
    border-radius: 10px;
    box-shadow: 7px 7px 0 rgba(3, 48, 47, 0.55);
}

.swim-tool-section {
    background:
        linear-gradient(180deg, rgba(215, 244, 255, 0.55) 0%, rgba(255, 253, 241, 0.96) 120px),
        var(--swim-paper);
}

.swim-section-heading {
    margin-bottom: 20px;
}

.swim-section-heading > p {
    color: var(--swim-blue);
}

.swim-section-heading.is-light > p {
    color: #0a6f86;
}

.swim-section-heading h2 {
    margin-bottom: 8px;
    color: var(--swim-ink);
    font-size: clamp(24px, 3vw, 30px);
    line-height: 1.15;
}

.swim-section-heading > span {
    display: block;
    color: var(--swim-muted);
    font-size: 15px;
    line-height: 1.55;
    font-weight: 700;
}

.swim-planner-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 16px;
    margin-bottom: 18px;
}

.swim-route-field,
.swim-select-field,
.swim-field {
    margin: 0;
    min-width: 0;
}

.swim-route-field legend,
.swim-select-field label,
.swim-field > span {
    display: block;
    margin-bottom: 8px;
    color: var(--swim-deep);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.swim-segmented-control {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.swim-segmented-control input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.swim-segmented-control label {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    border: 3px solid var(--swim-line);
    border-radius: 6px;
    background: #fff;
    color: var(--swim-ink);
    font-size: 14px;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 3px 3px 0 rgba(24, 58, 54, 0.18);
}

.swim-segmented-control input:checked + label {
    background: #ffe27a;
    box-shadow: 3px 3px 0 rgba(24, 58, 54, 0.35);
}

.swim-route-avatar {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--swim-line);
}

.swim-route-avatar.is-kid {
    background: #7fd7ef;
}

.swim-route-avatar.is-teen {
    background: #f0a868;
}

.swim-select-field select,
.swim-field input,
.swim-field select {
    width: 100%;
    min-height: 48px;
    padding: 10px 12px;
    border: 3px solid var(--swim-line);
    border-radius: 6px;
    background: #fff;
    color: var(--swim-ink);
    font-weight: 700;
    box-shadow: 3px 3px 0 rgba(24, 58, 54, 0.12);
}

.swim-planner-result {
    min-height: 180px;
    padding: 18px;
    border: 3px solid var(--swim-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(14, 120, 148, 0.12);
}

.swim-tool-state {
    display: grid;
    gap: 10px;
    place-items: center;
    min-height: 140px;
    color: var(--swim-muted);
    text-align: center;
    font-weight: 800;
}

.swim-tool-spinner {
    width: 36px;
    height: 36px;
    border: 4px solid rgba(14, 120, 148, 0.2);
    border-top-color: var(--swim-blue);
    border-radius: 50%;
    animation: swim-spin 0.8s linear infinite;
}

@keyframes swim-spin {
    to { transform: rotate(360deg); }
}

.swim-tool-state.is-error {
    color: var(--swim-red);
}

.swim-tool-state button,
.swim-secondary-btn,
.swim-ghost-btn {
    min-height: 42px;
    padding: 8px 14px;
    border: 3px solid var(--swim-line);
    border-radius: 5px;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 3px 3px 0 rgba(24, 58, 54, 0.2);
}

.swim-tool-state button,
.swim-secondary-btn {
    color: var(--swim-ink);
    background: #ffe27a;
}

.swim-ghost-btn {
    color: var(--swim-deep);
    background: #fff;
}

.swim-result-head {
    display: grid;
    gap: 6px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(24, 58, 54, 0.12);
}

.swim-result-head span {
    color: var(--swim-blue);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.swim-result-head strong {
    color: var(--swim-ink);
    font-size: 22px;
    line-height: 1.2;
}

.swim-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0 14px;
}

.swim-result-meta span {
    display: inline-flex;
    padding: 5px 10px;
    border: 2px solid var(--swim-line);
    border-radius: 999px;
    background: #e8f8ff;
    color: var(--swim-deep);
    font-size: 12px;
    font-weight: 800;
}

.swim-result-steps {
    margin: 0 0 14px;
    padding-left: 1.2rem;
    display: grid;
    gap: 8px;
    color: var(--swim-ink);
    font-size: 14px;
    line-height: 1.5;
    font-weight: 700;
}

.swim-result-steps li::marker {
    color: var(--swim-blue);
    font-weight: 900;
}

.swim-result-note {
    margin: 0 0 14px;
    padding: 12px 14px;
    border-left: 5px solid var(--swim-gold);
    background: #fff8df;
    color: var(--swim-muted);
    font-size: 13px;
    line-height: 1.5;
    font-weight: 700;
}

.swim-result-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.swim-result-links a {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    padding: 8px 12px;
    border: 2px solid var(--swim-line);
    border-radius: 5px;
    background: #d7f4ff;
    color: var(--swim-deep);
    text-decoration: none;
    font-size: 13px;
    font-weight: 900;
}

.swim-result-links a:hover {
    background: #ffe27a;
}

.swim-noscript {
    margin: 14px 0 0;
    color: var(--swim-muted);
    font-size: 13px;
    font-weight: 700;
}

.swim-step-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 14px;
}

.swim-step-list > li {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    padding: 14px;
    border: 2px solid rgba(24, 58, 54, 0.18);
    border-radius: 8px;
    background: #fff;
}

.swim-step-num {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--swim-line);
    border-radius: 50%;
    background: #d7f4ff;
    color: var(--swim-deep);
    font-size: 16px;
    font-weight: 900;
}

.swim-step-list h3 {
    margin-bottom: 6px;
    color: var(--swim-ink);
    font-size: 18px;
}

.swim-step-list p {
    margin: 0;
    color: var(--swim-muted);
    font-size: 14px;
    line-height: 1.55;
    font-weight: 700;
}

.swim-route-grid,
.swim-story-grid,
.swim-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.swim-route-card,
.swim-story-grid article,
.swim-faq-grid article {
    min-width: 0;
    padding: 16px;
    border: 3px solid var(--swim-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 4px 4px 0 rgba(24, 58, 54, 0.12);
}

.swim-route-card.is-teen {
    background: linear-gradient(180deg, #fff4e4 0%, #fff 48px);
}

.swim-route-card.is-kid {
    background: linear-gradient(180deg, #e8f8ff 0%, #fff 48px);
}

.swim-route-card > p,
.swim-story-grid article > p {
    color: var(--swim-blue);
}

.swim-route-card h3,
.swim-story-grid h3,
.swim-faq-grid h3 {
    margin-bottom: 10px;
    color: var(--swim-ink);
    font-size: 18px;
    line-height: 1.25;
}

.swim-route-card ol {
    margin: 0 0 12px;
    padding-left: 1.15rem;
    display: grid;
    gap: 6px;
    color: var(--swim-ink);
    font-size: 14px;
    line-height: 1.5;
    font-weight: 700;
}

.swim-route-note,
.swim-story-grid span,
.swim-faq-grid p {
    display: block;
    color: var(--swim-muted);
    font-size: 13px;
    line-height: 1.5;
    font-weight: 700;
}

.swim-story-grid a,
.swim-faq-grid a,
.swim-map-grid a {
    color: var(--swim-deep);
    font-weight: 900;
}

.swim-map-grid {
    display: grid;
    gap: 14px;
}

.swim-map-grid article {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    padding: 12px;
    border: 3px solid var(--swim-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 4px 4px 0 rgba(24, 58, 54, 0.12);
}

.swim-map-grid img {
    width: 120px;
    height: auto;
    border: 3px solid var(--swim-line);
    border-radius: 6px;
    image-rendering: pixelated;
    background: #0d4f5a;
}

.swim-map-grid h3 {
    margin-bottom: 6px;
    color: var(--swim-ink);
    font-size: 18px;
}

.swim-map-grid span {
    display: block;
    margin-bottom: 8px;
    color: var(--swim-muted);
    font-size: 13px;
    line-height: 1.5;
    font-weight: 700;
}

.swim-map-grid a {
    text-decoration: none;
    border-bottom: 2px solid var(--swim-gold);
}

.swim-checklist-panel {
    display: grid;
    gap: 14px;
}

.swim-checklist-controls {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr) auto;
    gap: 12px;
    align-items: end;
}

.swim-checklist-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.swim-progress {
    display: grid;
    gap: 8px;
    padding: 12px 14px;
    border: 2px solid rgba(24, 58, 54, 0.18);
    border-radius: 8px;
    background: #e8f8ff;
}

.swim-progress-copy {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    align-items: baseline;
}

.swim-progress-copy p {
    margin: 0;
    color: var(--swim-muted);
    font-size: 13px;
    font-weight: 800;
}

.swim-progress-copy strong {
    color: var(--swim-deep);
    font-size: 16px;
}

.swim-progress-track {
    height: 12px;
    overflow: hidden;
    border: 2px solid var(--swim-line);
    border-radius: 999px;
    background: #fff;
}

.swim-progress-track span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #1a9bb8, #4f9b43);
    transition: width 0.2s ease;
}

.swim-shell-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.swim-shell-card {
    display: grid;
    gap: 4px;
    min-width: 0;
    padding: 12px;
    border: 3px solid var(--swim-line);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    text-align: left;
    box-shadow: 3px 3px 0 rgba(24, 58, 54, 0.12);
}

.swim-shell-card.is-checked {
    background: #e9f8df;
    border-color: #2f7a2d;
}

.swim-shell-card small {
    color: var(--swim-blue);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.swim-shell-card strong {
    color: var(--swim-ink);
    font-size: 14px;
    line-height: 1.25;
}

.swim-shell-card span {
    color: var(--swim-muted);
    font-size: 12px;
    font-weight: 700;
}

.swim-shell-card em {
    color: var(--swim-red);
    font-size: 11px;
    font-style: normal;
    font-weight: 800;
}

.swim-loading,
.swim-empty {
    margin: 0;
    color: var(--swim-muted);
    font-size: 14px;
    font-weight: 800;
    text-align: center;
}

.swim-troubleshooter {
    display: grid;
    gap: 10px;
}

.swim-troubleshooter details {
    border: 3px solid var(--swim-line);
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}

.swim-troubleshooter summary {
    cursor: pointer;
    padding: 14px 16px;
    color: var(--swim-ink);
    font-size: 15px;
    font-weight: 900;
    list-style: none;
    background: #e8f8ff;
}

.swim-troubleshooter summary::-webkit-details-marker {
    display: none;
}

.swim-troubleshooter details[open] summary {
    border-bottom: 2px solid rgba(24, 58, 54, 0.12);
    background: #d7f4ff;
}

.swim-troubleshooter details > div {
    padding: 14px 16px;
}

.swim-troubleshooter p {
    margin: 0;
    color: var(--swim-muted);
    font-size: 14px;
    line-height: 1.55;
    font-weight: 700;
}

.swim-next-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.swim-next-links a {
    display: grid;
    gap: 4px;
    min-width: 0;
    padding: 14px;
    border: 3px solid var(--swim-line);
    border-radius: 8px;
    background: var(--swim-paper);
    color: inherit;
    text-decoration: none;
    box-shadow: 4px 4px 0 rgba(24, 58, 54, 0.18);
}

.swim-next-links span {
    color: var(--swim-blue);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.swim-next-links strong {
    color: var(--swim-ink);
    font-size: 15px;
    line-height: 1.25;
}

.swim-next-links a:hover {
    background: #ffe27a;
    transform: translateY(-1px);
}

.swim-side-column {
    display: grid;
    gap: 16px;
    position: sticky;
    top: 88px;
}

.swim-toc {
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 4px solid var(--swim-line);
    border-radius: 10px;
    background: var(--swim-paper);
    box-shadow: 5px 5px 0 rgba(3, 48, 47, 0.4);
}

.swim-toc > p {
    margin: 0 0 4px;
    color: var(--swim-blue);
}

.swim-toc a {
    color: var(--swim-ink);
    text-decoration: none;
    font-size: 13px;
    font-weight: 800;
    line-height: 1.35;
}

.swim-toc a:hover {
    color: var(--swim-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.swim-game-shot {
    margin: 0;
    padding: 12px;
    border: 4px solid var(--swim-line);
    border-radius: 10px;
    background: var(--swim-paper);
    box-shadow: 5px 5px 0 rgba(3, 48, 47, 0.4);
}

.swim-game-shot img {
    display: block;
    width: 100%;
    height: auto;
    border: 3px solid var(--swim-line);
    border-radius: 6px;
    image-rendering: pixelated;
    background: #0d4f5a;
}

.swim-game-shot figcaption {
    margin-top: 10px;
    color: var(--swim-muted);
    font-size: 12px;
    line-height: 1.45;
    font-weight: 700;
}

.swim-side-tip {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
    padding: 14px;
    border: 4px solid var(--swim-line);
    border-radius: 10px;
    background: #fff4d2;
    box-shadow: 5px 5px 0 rgba(3, 48, 47, 0.4);
}

.swim-side-tip-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid var(--swim-line);
    background:
        radial-gradient(circle at 35% 35%, #fff 0 14%, transparent 15%),
        linear-gradient(145deg, #7fd7ef, #0e7894);
}

.swim-side-tip p {
    margin: 0;
    color: var(--swim-ink);
    font-size: 13px;
    line-height: 1.45;
    font-weight: 700;
}

@media (max-width: 980px) {
    .swim-hero-inner,
    .swim-page-layout {
        width: min(calc(100% - 32px), 1180px);
        grid-template-columns: 1fr;
    }

    .swim-side-column {
        position: static;
        order: -1;
    }

    .swim-toc {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .swim-toc > p {
        grid-column: 1 / -1;
    }
}

@media (max-width: 720px) {
    .swim-hero-inner {
        padding: 36px 0 40px;
        gap: 24px;
    }

    .swim-page-layout {
        padding: 24px 0 48px;
    }

    .swim-section {
        padding: 18px;
    }

    .swim-planner-form,
    .swim-route-grid,
    .swim-story-grid,
    .swim-faq-grid,
    .swim-checklist-controls,
    .swim-map-grid article {
        grid-template-columns: 1fr;
    }

    .swim-map-grid img {
        width: 100%;
        max-width: 220px;
    }

    .swim-checklist-actions {
        width: 100%;
    }

    .swim-checklist-actions button {
        flex: 1 1 auto;
    }
}

@media (max-width: 480px) {
    .swim-hero-inner,
    .swim-page-layout {
        width: min(calc(100% - 20px), 1180px);
    }

    .swim-hero h1 {
        font-size: 30px;
    }

    .swim-lead {
        font-size: 16px;
    }

    .swim-hero-actions,
    .swim-result-links,
    .swim-next-links {
        grid-template-columns: 1fr;
    }

    .swim-hero-actions {
        display: grid;
    }

    .swim-primary-action,
    .swim-secondary-action {
        width: 100%;
    }

    .swim-step-list > li {
        grid-template-columns: 36px minmax(0, 1fr);
        gap: 10px;
        padding: 12px;
    }

    .swim-step-num {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .swim-shell-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .swim-tool-spinner {
        animation: none;
    }

    .swim-primary-action:hover,
    .swim-secondary-action:hover,
    .swim-next-links a:hover {
        transform: none;
    }

    .swim-progress-track span {
        transition: none;
    }
}