@font-face {
    font-family: "Plex Sans";
    src: url("/assets/fonts/ibm-plex-sans-var.woff2") format("woff2-variations");
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: "Plex Mono";
    src: url("/assets/fonts/ibm-plex-mono-600.woff2") format("woff2");
    font-weight: 600;
    font-display: swap;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    --bg: #f5f7fa;
    --surface: #ffffff;
    --surface-2: #f9fafc;
    --overlay: #ffffff;
    --ink: #101b33;
    --muted: #55647f;
    --line: #e3e8f0;
    --line-strong: #cdd6e4;
    --accent: #2455e6;
    --accent-ink: #ffffff;
    --accent-bg: #eef2fe;
    --hivis: #f59e0b;
    --warn: #92400e;
    --warn-bg: #fef3c7;
    --danger: #b91c1c;
    --danger-bg: #fee2e2;
    --shadow-1: 0 1px 2px rgb(16 27 51 / 0.06), 0 1px 3px rgb(16 27 51 / 0.10);
    --shadow-2: 0 2px 4px rgb(16 27 51 / 0.05), 0 12px 24px -8px rgb(16 27 51 / 0.12);
    --shadow-3: 0 4px 8px rgb(16 27 51 / 0.06), 0 24px 48px -12px rgb(16 27 51 / 0.18);
    --subtle: var(--surface-2);
    --notice-bg: var(--surface-2);
    --focus: var(--accent);
    --button-ink: var(--accent-ink);
    --radius-s: 8px;
    --radius-m: 12px;
    --radius-l: 16px;
    --radius: var(--radius-m);
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;
    --transition: 140ms cubic-bezier(.4,0,.2,1);
    --energy-gravity: #1e40af;
    --energy-motion: #c2410c;
    --energy-mechanical: #475569;
    --energy-electrical: #a16207;
    --energy-pressure: #0f766e;
    --energy-chemical: #15803d;
    --energy-thermal: #b91c1c;
    --energy-sound: #7e22ce;
    --energy-radiation: #be185d;
    --energy-biological: #4d7c0f;
    --energy-gravity-tint: color-mix(in srgb, var(--energy-gravity) 14%, transparent);
    --energy-motion-tint: color-mix(in srgb, var(--energy-motion) 14%, transparent);
    --energy-mechanical-tint: color-mix(in srgb, var(--energy-mechanical) 14%, transparent);
    --energy-electrical-tint: color-mix(in srgb, var(--energy-electrical) 14%, transparent);
    --energy-pressure-tint: color-mix(in srgb, var(--energy-pressure) 14%, transparent);
    --energy-chemical-tint: color-mix(in srgb, var(--energy-chemical) 14%, transparent);
    --energy-thermal-tint: color-mix(in srgb, var(--energy-thermal) 14%, transparent);
    --energy-sound-tint: color-mix(in srgb, var(--energy-sound) 14%, transparent);
    --energy-radiation-tint: color-mix(in srgb, var(--energy-radiation) 14%, transparent);
    --energy-biological-tint: color-mix(in srgb, var(--energy-biological) 14%, transparent);
    font-family: "Plex Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--bg);
}

body {
    min-width: 320px;
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.65;
}

a {
    color: var(--accent);
}

a:hover,
a:focus-visible {
    color: var(--ink);
}

.container {
    width: min(100% - 2rem, 720px);
    margin-inline: auto;
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.site-header-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-block: 1rem;
}

.brand-block {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.wordmark {
    width: fit-content;
    color: var(--ink);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-decoration: none;
}

.tagline {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.site-nav,
.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem 1rem;
}

.site-nav a,
.footer-nav a {
    font-size: 0.92rem;
    font-weight: 650;
    text-decoration: none;
}

.notice-strip {
    padding: 0.45rem 1rem;
    border-bottom: 1px solid var(--line);
    background: #eef2f7;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.4;
    text-align: center;
}

.page-content {
    display: grid;
    gap: 1rem;
    padding-block: 1.25rem 2.5rem;
}

.page-header {
    display: grid;
    gap: 0.15rem;
}

.page-header h1,
.hero h1,
.placeholder-section h1,
.placeholder-section h2,
.prose-card h1 {
    margin: 0;
    letter-spacing: -0.035em;
    line-height: 1.15;
}

.page-header h1,
.hero h1,
.placeholder-section h1,
.prose-card h1 {
    font-size: clamp(1.8rem, 7vw, 2.65rem);
}

.placeholder-section h2 {
    font-size: 1.2rem;
}

.eyebrow {
    margin: 0;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.card {
    padding: 1.15rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-1);
}

.hero {
    display: grid;
    gap: 0.9rem;
    padding-block: 1.5rem;
}

.hero h1 {
    max-width: 16ch;
}

.prose-card {
    display: grid;
    gap: 0.25rem;
}

.prose-card p {
    margin: 0.5rem 0;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.btn {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--accent);
    border-radius: 8px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
}

.btn:hover,
.btn:focus-visible {
    border-color: var(--ink);
    background: var(--ink);
    color: #ffffff;
}

.btn-secondary {
    background: var(--surface);
    color: var(--accent);
    border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    color: var(--ink);
}

html:not(.js) .js-only-action {
    display: none;
}

.action-icon {
    width: 1.1rem;
    height: 1.1rem;
    flex: 0 0 auto;
}

.shared-link-notice {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.shared-link-dismiss {
    flex: 0 0 auto;
    min-width: 2rem;
    min-height: 2rem;
    padding: 0.1rem 0.4rem;
    border: 1px solid currentColor;
    border-radius: 6px;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.task-list {
    display: grid;
    gap: 0.8rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.task-list li {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--line);
}

.task-list li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.task-list a {
    font-size: 1.05rem;
    font-weight: 700;
}

.task-list span {
    color: var(--muted);
    font-size: 0.88rem;
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 1rem 0 0;
}

.pill {
    display: inline-flex;
    min-height: 28px;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 750;
    line-height: 1.2;
}

.pill-neutral {
    border-color: var(--line);
    background: #f1f4f8;
    color: var(--muted);
}

.pill-gravity {
    background: #e0e7ff;
    color: #3730a3;
}

.pill-motion {
    background: #dbeafe;
    color: #1e40af;
}

.pill-mechanical {
    background: #e0e7e9;
    color: #334155;
}

.pill-electrical {
    background: #fef3c7;
    color: #92400e;
}

.pill-pressure {
    background: #cffafe;
    color: #155e75;
}

.pill-chemical {
    background: #fce7f3;
    color: #9d174d;
}

.pill-thermal {
    background: #ffedd5;
    color: #9a3412;
}

.pill-sound {
    background: #ede9fe;
    color: #5b21b6;
}

.pill-radiation {
    background: #f3e8ff;
    color: #7e22ce;
}

.pill-biological {
    background: #e0f2fe;
    color: #075985;
}

.alert-warn,
.alert-danger {
    margin: 1rem 0 0;
    padding: 0.8rem 0.9rem;
    border: 1px solid currentColor;
    border-radius: 8px;
    font-weight: 650;
}

.alert-warn {
    background: var(--warn-bg);
    color: var(--warn);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.placeholder-section {
    border-style: dashed;
}

.placeholder-section p:last-child {
    margin-bottom: 0;
}

.result-card {
    border-color: var(--accent);
}

.source-list {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-3) 0 0;
    padding-left: 1.2rem;
}

.source-list a {
    overflow-wrap: anywhere;
}

.task-card {
    position: relative;
}

.task-card-heading h3 a::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
}

.result-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.result-hide {
    padding: var(--space-1) var(--space-3);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-s);
    background: transparent;
    color: var(--muted);
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
}

@media (min-width: 960px) {
    .result-hide {
        display: none;
    }
}

label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    min-height: 44px;
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus,
.btn:focus-visible,
a:focus-visible {
    outline: 3px solid #bfdbfe;
    outline-offset: 2px;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: var(--surface);
}

.footer-inner {
    display: grid;
    gap: 0.6rem;
    padding-block: 1rem 1.5rem;
}

.footer-inner p {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
}

@media (min-width: 640px) {
    .site-header-inner {
        align-items: center;
        flex-direction: row;
        justify-content: space-between;
    }

    .site-nav {
        justify-content: flex-end;
    }

    .card {
        padding: 1.5rem;
    }

    .task-list li {
        align-items: baseline;
        flex-direction: row;
        justify-content: space-between;
        gap: 1rem;
    }
}

.task-filters {
    display: grid;
    gap: 1rem;
}

.filter-buttons,
.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-button,
.quick-chip {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
}

.filter-button {
    cursor: pointer;
}

.filter-button:hover,
.filter-button:focus-visible,
.quick-chip:hover,
.quick-chip:focus-visible {
    border-color: var(--accent);
    background: #eef2ff;
    color: var(--ink);
}

.filter-button.is-active {
    border-color: var(--accent);
    background: var(--accent);
    color: #ffffff;
}

.filter-input {
    display: grid;
    gap: 0.35rem;
}

.filter-input label,
.home-task-search label {
    margin-bottom: 0;
}

.task-results {
    display: grid;
    gap: 1.5rem;
}

.task-phase {
    display: grid;
    gap: 0.75rem;
}

.task-phase h2,
.home-task-search h2,
.high-energy-card h2,
.trigger-checks h2,
.controls-card h2,
.spa-card h2 {
    margin: 0;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.task-grid {
    display: grid;
    gap: 0.85rem;
}

.task-card {
    display: grid;
    gap: 0.65rem;
}

.task-card-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.task-card h3 {
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.3;
}

.task-card p {
    margin: 0;
}

.mode-chip {
    flex: 0 0 auto;
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #f1f4f8;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 750;
    line-height: 1.2;
    text-align: right;
}

.energy-wheel-list-item {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--space-3);
}

.energy-wheel-item-copy {
    flex: 1 1 20rem;
    min-width: 14rem;
}

.energy-term {
    font-weight: 750;
}

.energy-term-gravity { color: var(--energy-gravity); }
.energy-term-motion { color: var(--energy-motion); }
.energy-term-mechanical { color: var(--energy-mechanical); }
.energy-term-electrical { color: var(--energy-electrical); }
.energy-term-pressure { color: var(--energy-pressure); }
.energy-term-chemical { color: var(--energy-chemical); }
.energy-term-thermal { color: var(--energy-thermal); }
.energy-term-sound { color: var(--energy-sound); }
.energy-term-radiation { color: var(--energy-radiation); }
.energy-term-biological { color: var(--energy-biological); }

.energy-badge {
    flex: 0 0 auto;
    margin-left: auto;
    padding: 0.2rem 0.45rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--subtle);
    color: var(--muted);
    font-family: "Plex Mono", monospace;
    font-size: 0.66rem;
    font-weight: 600;
    line-height: 1.25;
    white-space: nowrap;
}

.energy-badge-calculated {
    border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
    background: var(--accent-bg);
    color: var(--accent);
}

.task-detail-header {
    gap: 0.15rem;
}

.high-energy-card,
.trigger-checks,
.controls-card,
.spa-card,
.copy-card,
.home-task-search {
    display: grid;
    gap: 0.8rem;
}

.high-energy-card p {
    margin: 0;
}

.high-energy-card .btn {
    width: fit-content;
}

.trigger-note {
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f1f4f8;
    color: var(--ink);
    font-weight: 650;
}

.trigger-list,
.question-list,
.checklist,
.home-task-list,
.static-article ul {
    margin: 0;
    padding: 0;
}

.trigger-list,
.question-list,
.static-article ul {
    padding-left: 1.25rem;
}

.trigger-list,
.question-list {
    display: grid;
    gap: 0.85rem;
}

.trigger-list li,
.question-list li {
    padding-left: 0.15rem;
}

.trigger-list a {
    font-weight: 750;
}

.trigger-list p {
    margin: 0.15rem 0 0;
    color: var(--muted);
}

.checklist {
    display: grid;
    gap: 0.7rem;
    list-style: none;
}

.checklist li {
    display: block;
}

.visual-checkbox {
    appearance: none;
    -webkit-appearance: none;
    display: grid;
    place-content: center;
    flex: 0 0 auto;
    width: 1.15rem;
    min-width: 1.15rem;
    height: 1.15rem;
    min-height: 1.15rem;
    margin-top: 0.25rem;
    padding: 0;
    border: 2px solid var(--accent);
    border-radius: 4px;
    background: var(--surface);
    color: #ffffff;
    cursor: pointer;
}

.visual-checkbox::before {
    width: 0.58rem;
    height: 0.32rem;
    border: solid currentColor;
    border-width: 0 0 2px 2px;
    content: "";
    transform: translateY(-0.08rem) rotate(-45deg) scale(0);
    transition: transform var(--transition);
}

.visual-checkbox:checked {
    background: var(--accent);
}

.visual-checkbox:checked::before {
    transform: translateY(-0.08rem) rotate(-45deg) scale(1);
}

.visual-checkbox:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    cursor: pointer;
}

.checklist-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.pneumatic-banner {
    border-color: color-mix(in srgb, var(--energy-pressure) 48%, var(--line));
    background: var(--energy-pressure-tint);
    color: var(--ink);
    font-weight: 650;
}

.pneumatic-banner p {
    margin: 0;
}

.pneumatic-mode-fieldset {
    display: grid;
    gap: var(--space-3);
}

.pneumatic-mode-toggle {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.pneumatic-mode-toggle label {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-s);
    cursor: pointer;
}

.pneumatic-mode-toggle input {
    width: 1rem;
    min-width: 1rem;
    height: 1rem;
    min-height: 1rem;
    margin: 0;
    padding: 0;
}

.pipe-diagram {
    display: block;
    width: 100%;
    max-width: 320px;
    height: auto;
    margin: 0 auto var(--space-4);
    overflow: visible;
}

.pipe-diagram line,
.pipe-diagram ellipse,
.pipe-diagram path {
    fill: none;
}

.pipe-diagram line,
.pipe-diagram ellipse {
    stroke: var(--muted);
    stroke-width: 2;
    stroke-linecap: round;
}

.pipe-diagram-ext {
    stroke: var(--line);
    stroke-width: 1;
    stroke-dasharray: 2 3;
}

.pipe-diagram-dim {
    stroke: var(--accent);
    stroke-width: 1.5;
    stroke-linecap: round;
}

.pipe-diagram text {
    font-family: "Plex Mono", monospace;
    font-size: 11px;
    fill: var(--muted);
}

.spa-card blockquote {
    margin: 0;
    padding: 0.8rem 0.95rem;
    border-left: 4px solid var(--accent);
    background: #eef2ff;
}

.copy-card {
    align-items: start;
}

.copy-status {
    min-height: 1.4em;
    margin: 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.trigger-footer {
    margin: 0;
}

.trigger-shared {
    margin: 0;
}

.static-article {
    gap: 0.45rem;
}

.static-article ul {
    display: grid;
    gap: 0.65rem;
    margin-block: 0.5rem;
}

.home-task-search {
    gap: 0.9rem;
}

.home-task-list {
    display: grid;
    gap: 0.2rem;
    margin-top: 0.25rem;
    list-style: none;
}

.home-task-list li {
    padding-block: 0.3rem;
    border-bottom: 1px solid var(--line);
}

.home-task-list li:last-child {
    border-bottom: 0;
}

.home-task-list a {
    font-weight: 700;
}

.quick-chip-secondary {
    border-color: var(--accent);
    color: var(--accent);
}

[hidden] {
    display: none !important;
}

@media (min-width: 721px) {
    .result-card {
        position: static;
    }
}

.calculator-task-card p {
    margin: 0;
}

.calculator-form {
    display: grid;
    gap: 1.25rem;
}

.calculator-fieldset {
    display: grid;
    gap: 0.9rem;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.calculator-fieldset legend {
    margin-bottom: 0.1rem;
    font-size: 1.15rem;
    font-weight: 750;
}

.calculator-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(5.5rem, 7rem);
    gap: 0.7rem;
}

.form-field {
    min-width: 0;
}

.field-error {
    display: block;
    min-height: 1.35em;
    margin-top: 0.2rem;
    color: var(--danger);
    font-size: 0.88rem;
    font-weight: 650;
    line-height: 1.35;
}

.checkbox-label {
    display: flex;
    min-height: 44px;
    align-items: center;
    gap: 0.65rem;
    margin: 0;
}

.checkbox-label input {
    width: 22px;
    min-width: 22px;
    min-height: 22px;
    margin: 0;
}

.calculator-controls-template[hidden] {
    display: none;
}

.result-card h2,
.result-card h3 {
    margin-top: 0;
    line-height: 1.2;
}

.result-card h3 {
    margin-top: 1.25rem;
    font-size: 1.05rem;
}

.result-card p {
    margin-block: 0.7rem;
}

.calculator-formula,
.calculator-energy {
    overflow-wrap: anywhere;
}

.calculator-energy {
    font-size: 1.35rem;
}

.calculator-band {
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f1f4f8;
    font-weight: 750;
}

.calculator-band.alert-warn,
.calculator-band.alert-danger {
    border-color: currentColor;
}

.calculator-messages ul,
.control-list {
    margin: 0;
    padding-left: 1.25rem;
}

.calculator-messages li + li,
.control-list li + li {
    margin-top: 0.35rem;
}

.calculator-limitations {
    color: var(--muted);
    font-size: 0.9rem;
}

.copy-status {
    align-self: center;
    color: var(--muted);
    font-size: 0.9rem;
}

.static-article .energy-wheel a {
    text-decoration: none;
}

.footer-meta {
    display: grid;
    gap: var(--space-2);
}

.footer-meta p {
    margin: 0;
}

.footer-built {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.calculator-threshold-summary,
.calculator-threshold-note {
    font-family: "Plex Mono", monospace;
    font-variant-numeric: tabular-nums;
}


/* Wave 4 field-tool identity */

body {
    font-weight: 400;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 650;
}

a {
    text-decoration: none;
}

.static-article a {
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: 700;
}

.wordmark-bolt {
    width: 20px;
    height: 20px;
    padding: 2px;
    border-radius: 5px;
    background: var(--ink);
    color: var(--surface);
}

.site-nav a {
    color: var(--ink);
}

.site-nav a.is-active {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 0.4rem;
}

.notice-strip {
    padding: var(--space-2) var(--space-4);
    border-top: 3px solid var(--hivis);
    background: var(--notice-bg);
}

.notice-glyph {
    color: var(--hivis);
    font-size: 0.95rem;
}

.btn,
.filter-button,
.quick-chip,
.site-nav a,
.footer-nav a,
label,
.pill,
.mode-chip {
    font-weight: 600;
}

.btn {
    color: var(--button-ink);
}

.btn.btn-secondary {
    color: var(--accent);
}

.btn.btn-secondary:hover,
.btn.btn-secondary:focus-visible {
    color: var(--ink);
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.filter-button:hover,
.filter-button:focus-visible,
.quick-chip:hover,
.quick-chip:focus-visible,
.spa-card blockquote {
    background: var(--accent-bg);
}

input:focus,
select:focus,
textarea:focus,
.btn:focus-visible,
a:focus-visible {
    outline-color: var(--focus);
}

.card {
    transition: transform 120ms ease, box-shadow 120ms ease;
}

.card:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(16, 27, 51, 0.1);
}

.pill-neutral,
.mode-chip,
.trigger-note,
.calculator-band {
    background: var(--subtle);
}

.pill-gravity,
.pill-motion,
.pill-mechanical,
.pill-electrical,
.pill-pressure,
.pill-chemical,
.pill-thermal,
.pill-sound,
.pill-radiation,
.pill-biological {
    background: var(--energy-tint);
    color: var(--energy-color);
}

.pill-gravity { --energy-color: var(--energy-gravity); --energy-tint: var(--energy-gravity-tint); }
.pill-motion { --energy-color: var(--energy-motion); --energy-tint: var(--energy-motion-tint); }
.pill-mechanical { --energy-color: var(--energy-mechanical); --energy-tint: var(--energy-mechanical-tint); }
.pill-electrical { --energy-color: var(--energy-electrical); --energy-tint: var(--energy-electrical-tint); }
.pill-pressure { --energy-color: var(--energy-pressure); --energy-tint: var(--energy-pressure-tint); }
.pill-chemical { --energy-color: var(--energy-chemical); --energy-tint: var(--energy-chemical-tint); }
.pill-thermal { --energy-color: var(--energy-thermal); --energy-tint: var(--energy-thermal-tint); }
.pill-sound { --energy-color: var(--energy-sound); --energy-tint: var(--energy-sound-tint); }
.pill-radiation { --energy-color: var(--energy-radiation); --energy-tint: var(--energy-radiation-tint); }
.pill-biological { --energy-color: var(--energy-biological); --energy-tint: var(--energy-biological-tint); }

.energy-wheel {
    display: grid;
    gap: 0.8rem;
    justify-items: center;
    width: min(100%, 360px);
    margin-inline: auto;
}

.energy-wheel-svg {
    display: block;
    width: 100%;
    max-width: 360px;
    overflow: visible;
}

.energy-wheel-segment {
    color: var(--surface);
    outline: none;
    transform-box: fill-box;
    transform-origin: center;
    transition: filter 120ms ease, transform 120ms ease;
}

.energy-wheel-segment text {
    fill: currentColor;
    font-family: "Plex Mono", monospace;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: -0.04em;
    pointer-events: none;
}

.energy-wheel-segment:hover,
.energy-wheel-segment:focus-visible {
    filter: brightness(1.15) drop-shadow(0 3px 2px rgba(15, 27, 51, 0.2));
    transform: scale(1.018);
}

.energy-wheel-segment-gravity:hover,
.energy-wheel-segment-gravity:focus-visible { transform: translate(0.9px, -2.9px) scale(1.018); }
.energy-wheel-segment-motion:hover,
.energy-wheel-segment-motion:focus-visible { transform: translate(2.4px, -1.8px) scale(1.018); }
.energy-wheel-segment-mechanical:hover,
.energy-wheel-segment-mechanical:focus-visible { transform: translate(3px, 0) scale(1.018); }
.energy-wheel-segment-electrical:hover,
.energy-wheel-segment-electrical:focus-visible { transform: translate(2.4px, 1.8px) scale(1.018); }
.energy-wheel-segment-pressure:hover,
.energy-wheel-segment-pressure:focus-visible { transform: translate(0.9px, 2.9px) scale(1.018); }
.energy-wheel-segment-chemical:hover,
.energy-wheel-segment-chemical:focus-visible { transform: translate(-0.9px, 2.9px) scale(1.018); }
.energy-wheel-segment-thermal:hover,
.energy-wheel-segment-thermal:focus-visible { transform: translate(-2.4px, 1.8px) scale(1.018); }
.energy-wheel-segment-sound:hover,
.energy-wheel-segment-sound:focus-visible { transform: translate(-3px, 0) scale(1.018); }
.energy-wheel-segment-radiation:hover,
.energy-wheel-segment-radiation:focus-visible { transform: translate(-2.4px, -1.8px) scale(1.018); }
.energy-wheel-segment-biological:hover,
.energy-wheel-segment-biological:focus-visible { transform: translate(-0.9px, -2.9px) scale(1.018); }

.energy-wheel-center {
    pointer-events: none;
}

.energy-wheel-bolt {
    pointer-events: none;
}

.energy-wheel-caption {
    fill: var(--muted);
    font-family: "Plex Mono", monospace;
    font-size: 8px;
    font-weight: 600;
    letter-spacing: 0.08em;
    pointer-events: none;
}

.energy-wheel-legend {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.4rem 0.7rem;
    width: 100%;
}

.energy-wheel-legend-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    min-width: 0;
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 600;
}

.energy-wheel-legend-item:hover,
.energy-wheel-legend-item:focus-visible {
    color: var(--accent);
}

.energy-wheel-swatch {
    width: 0.7rem;
    height: 0.7rem;
    flex: 0 0 auto;
    border-radius: 2px;
    background: var(--energy-color);
}

.energy-wheel-legend-gravity { --energy-color: var(--energy-gravity); }
.energy-wheel-legend-motion { --energy-color: var(--energy-motion); }
.energy-wheel-legend-mechanical { --energy-color: var(--energy-mechanical); }
.energy-wheel-legend-electrical { --energy-color: var(--energy-electrical); }
.energy-wheel-legend-pressure { --energy-color: var(--energy-pressure); }
.energy-wheel-legend-chemical { --energy-color: var(--energy-chemical); }
.energy-wheel-legend-thermal { --energy-color: var(--energy-thermal); }
.energy-wheel-legend-sound { --energy-color: var(--energy-sound); }
.energy-wheel-legend-radiation { --energy-color: var(--energy-radiation); }
.energy-wheel-legend-biological { --energy-color: var(--energy-biological); }

.hero-copy {
    display: grid;
    align-content: center;
    gap: 0.9rem;
}

.hero-wheel {
    display: grid;
    align-items: center;
}

.home-task-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
    margin: 0.25rem 0 0;
    padding: 0;
    list-style: none;
}

.home-task-grid li {
    min-width: 0;
}

.home-task-mini-card {
    display: grid;
    gap: 0.45rem;
    height: 100%;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--ink);
    transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.home-task-mini-card:hover,
.home-task-mini-card:focus-visible {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 5px 14px rgba(16, 27, 51, 0.08);
}

.home-task-name {
    font-weight: 650;
    line-height: 1.3;
}

.home-task-mini-card .pill {
    width: fit-content;
    min-height: 24px;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
}

.task-filter-status {
    min-height: 1.75rem;
}

.active-filter {
    gap: 0.45rem;
}

.active-filter a {
    color: inherit;
    font-size: 1.1rem;
    line-height: 0.8;
}

.task-card {
    border-left: 3px solid var(--task-energy-color, var(--line));
}

.task-card-energy-gravity { --task-energy-color: var(--energy-gravity); }
.task-card-energy-motion { --task-energy-color: var(--energy-motion); }
.task-card-energy-mechanical { --task-energy-color: var(--energy-mechanical); }
.task-card-energy-electrical { --task-energy-color: var(--energy-electrical); }
.task-card-energy-pressure { --task-energy-color: var(--energy-pressure); }
.task-card-energy-chemical { --task-energy-color: var(--energy-chemical); }
.task-card-energy-thermal { --task-energy-color: var(--energy-thermal); }
.task-card-energy-sound { --task-energy-color: var(--energy-sound); }
.task-card-energy-radiation { --task-energy-color: var(--energy-radiation); }
.task-card-energy-biological { --task-energy-color: var(--energy-biological); }

.task-card h3 {
    font-weight: 650;
}

.task-card h3 a {
    color: var(--ink);
}

.task-card h3 a:hover,
.task-card h3 a:focus-visible {
    color: var(--accent);
}

.phase-eyebrow {
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.phase-count {
    color: var(--muted);
    font-family: "Plex Mono", monospace;
    font-size: 0.78rem;
    font-weight: 600;
}

.quick-fill {
    display: grid;
    gap: 0.55rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
}

.quick-fill-note {
    margin: 0.15rem 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.quick-fill-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.calculator-layout {
    display: grid;
    gap: 1rem;
}

.calculator-form-card {
    min-width: 0;
}

.calculator-fieldset {
    gap: 0.65rem;
}

.calculator-fieldset legend.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.source-note {
    color: var(--muted);
    font-size: 0.85rem;
}

.source-note summary {
    width: fit-content;
    cursor: pointer;
    font-weight: 600;
}

.source-note .form-field {
    margin-top: 0.55rem;
}

.calculator-placeholder {
    display: grid;
    min-height: 8rem;
    place-items: center;
    color: var(--muted);
    text-align: center;
}

.calculator-energy {
    display: grid;
    gap: 0.15rem;
    margin-block: 1rem;
    font-family: "Plex Mono", monospace;
    font-variant-numeric: tabular-nums;
}

.calculator-energy strong {
    font-size: 2rem;
    line-height: 1.1;
}

.calculator-energy span {
    color: var(--muted);
    font-size: 1rem;
    font-weight: 600;
}

.calculator-formula,
.calculator-input-summary,
.calculator-substitution,
.calculator-energy,
.threshold-gauge,
.calculator-band {
    font-variant-numeric: tabular-nums;
}

.calculator-formula,
.calculator-substitution,
.threshold-gauge,
.calculator-energy {
    font-family: "Plex Mono", monospace;
}

.threshold-gauge {
    margin-block: 1rem 1.1rem;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 600;
}

.gauge-scale {
    padding-inline: 0.1rem;
}

.gauge-track {
    position: relative;
    display: flex;
    height: 14px;
    overflow: visible;
    border: 1px solid var(--line);
    border-radius: 999px;
}

.gauge-zone {
    display: block;
    height: 100%;
}

.gauge-zone-neutral { width: 5%; background: var(--subtle); border-radius: 999px 0 0 999px; }
.gauge-zone-caution { width: 20%; background: color-mix(in srgb, var(--warn) 14%, var(--surface)); }
.gauge-zone-elevated { width: 50%; background: color-mix(in srgb, var(--warn) 28%, var(--surface)); }
.gauge-zone-high { width: 25%; background: color-mix(in srgb, var(--danger) 22%, var(--surface)); border-radius: 0 999px 999px 0; }

.gauge-marker,
.gauge-threshold-tick {
    position: absolute;
    top: -5px;
    bottom: -5px;
    width: 2px;
}

.gauge-marker {
    left: var(--gauge-position, 0%);
    z-index: 2;
    background: var(--ink);
    transform: translateX(-1px);
}

.gauge-marker::before {
    position: absolute;
    top: -4px;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ink);
    content: "";
    transform: translateX(-50%);
}

.gauge-threshold-tick {
    left: 75%;
    z-index: 1;
    background: var(--danger);
    opacity: 0.8;
}

.gauge-labels {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 0.55rem;
}

.gauge-labels span:nth-child(2) {
    color: var(--danger);
}

.gauge-off-scale {
    margin: 0.35rem 0 0;
    color: var(--danger);
    text-align: right;
}

.print-disclaimer {
    display: none;
}

@media (min-width: 640px) {
    .hero {
        grid-template-columns: minmax(0, 1fr) minmax(250px, 360px);
        align-items: center;
        gap: 1.5rem;
    }
}

@media (min-width: 960px) {
    .page-content-tasks,
    .page-content-calculator {
        width: min(100% - 2rem, 1100px);
        max-width: none;
        margin-inline: auto;
    }

    .task-library-layout {
        display: grid;
        grid-template-columns: 220px minmax(0, 1fr);
        align-items: start;
        gap: 1.5rem;
    }

    .task-filters {
        position: sticky;
        top: 1rem;
    }

    .filter-buttons {
        align-items: stretch;
        flex-direction: column;
    }

    .filter-button {
        justify-content: flex-start;
        text-align: left;
    }

    .task-results {
        gap: 1.75rem;
    }

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

    .calculator-layout {
        grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
        align-items: start;
        gap: 1.5rem;
    }

    .calculator-layout .result-card {
        position: sticky;
        top: 1rem;
        bottom: auto;
    }
}

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

/* Wave 8 reference pages and progressive task search */

.task-search {
    display: none;
    gap: var(--space-2);
    padding: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    background: var(--surface-2);
}

html.js .task-search {
    display: grid;
}

.task-search-count,
.task-search-empty {
    margin: 0;
    color: var(--muted);
    font-size: 0.8125rem;
}

.task-search-empty {
    color: var(--danger);
    font-weight: 650;
}

.glossary-list {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-4) 0 0;
}

.glossary-list dt {
    margin-top: var(--space-3);
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 700;
    scroll-margin-top: 5rem;
}

.glossary-list dt:first-of-type {
    margin-top: 0;
}

.glossary-list dd {
    margin: 0;
    color: var(--muted);
}

.direct-controls-list,
.loads-groups {
    display: grid;
    gap: var(--space-4);
}

.direct-controls-intro,
.direct-controls-closing,
.loads-intro,
.loads-calculator-links,
.loads-closing {
    margin: 0;
}

.direct-control-section,
.loads-group {
    display: grid;
    gap: var(--space-3);
}

.direct-control-heading {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    font-size: 1.3rem;
}

.direct-control-icon {
    width: 1.5rem;
    height: 1.5rem;
    flex: 0 0 auto;
}

.direct-control-columns {
    display: grid;
    gap: var(--space-4);
}

.direct-control-columns h3,
.loads-group h2 {
    margin: 0;
    font-size: 1rem;
}

.direct-control-list {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-2) 0 0;
    padding-left: 1.2rem;
}

.table-scroll {
    min-width: 0;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.loads-group table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.loads-group th,
.loads-group td {
    padding: 0.65rem 0.55rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    overflow-wrap: anywhere;
}

.loads-group th {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.loads-group th:nth-child(2),
.loads-group td:nth-child(2) {
    min-width: 8.5rem;
}

.loads-group tr:last-child td {
    border-bottom: 0;
}

.changes-list {
    display: grid;
    grid-template-columns: minmax(7rem, auto) minmax(0, 1fr);
    gap: var(--space-3) var(--space-4);
    margin: var(--space-4) 0 0;
}

.changes-list dt {
    font-weight: 700;
}

.changes-list dd {
    margin: 0;
    color: var(--muted);
}

@media (min-width: 640px) {
    .direct-control-columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.scan-card-page-header {
    gap: var(--space-2);
}

.scan-card-leadin {
    margin: 0;
    color: var(--muted);
}

.scan-card {
    display: grid;
    gap: var(--space-4);
}

.scan-card h1 {
    font-size: clamp(1.75rem, 1.4rem + 1.5vw, 2.35rem);
}

.scan-card-lead,
.scan-card-threshold,
.scan-card-direct-control,
.scan-card-print-footer {
    margin: 0;
}

.scan-card-rows {
    display: grid;
    gap: var(--space-2);
}

.scan-card-row {
    display: grid;
    grid-template-columns: 1.15rem minmax(0, 1fr);
    align-items: start;
    gap: var(--space-3);
}

.scan-card-row-copy {
    display: grid;
    gap: 0.1rem;
}

.scan-card-energy {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.scan-card-icon {
    width: 18px;
    height: 18px;
}

.scan-card-energy-gravity { color: var(--energy-gravity); }
.scan-card-energy-motion { color: var(--energy-motion); }
.scan-card-energy-mechanical { color: var(--energy-mechanical); }
.scan-card-energy-electrical { color: var(--energy-electrical); }
.scan-card-energy-pressure { color: var(--energy-pressure); }
.scan-card-energy-chemical { color: var(--energy-chemical); }
.scan-card-energy-thermal { color: var(--energy-thermal); }
.scan-card-energy-sound { color: var(--energy-sound); }
.scan-card-energy-radiation { color: var(--energy-radiation); }
.scan-card-energy-biological { color: var(--energy-biological); }

.scan-card-ask {
    color: var(--muted);
    font-size: 0.9rem;
}

.scan-card-threshold,
.scan-card-direct-control {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
    background: var(--surface-2);
}

.scan-card-print-footer {
    padding-top: var(--space-3);
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.78rem;
}

.print-footer {
    display: none;
}

:root[data-theme="dark"] {
    --bg: #0b101d;
    --surface: #111726;
    --surface-2: #161e30;
    --overlay: #1b2437;
    --ink: #e8edf6;
    --muted: #8b99b3;
    --line: #202a41;
    --line-strong: #2b3853;
    --accent: #7d9dff;
    --accent-ink: #0b101d;
    --accent-bg: #1a2440;
    --hivis: #d99a2b;
    --warn: #f2c66d;
    --warn-bg: #342a10;
    --danger: #f28b8b;
    --danger-bg: #35181d;
    --shadow-1: none;
    --shadow-2: none;
    --shadow-3: 0 24px 48px -12px rgb(0 0 0 / 0.5);
    --subtle: var(--surface-2);
    --notice-bg: var(--surface-2);
    --focus: var(--accent);
    --button-ink: var(--accent-ink);
    --energy-gravity: #5b7fe8;
    --energy-motion: #e8703a;
    --energy-mechanical: #7d8ba1;
    --energy-electrical: #d9a520;
    --energy-pressure: #2fa596;
    --energy-chemical: #3f9e5f;
    --energy-thermal: #e05252;
    --energy-sound: #a668e0;
    --energy-radiation: #e0559a;
    --energy-biological: #86a832;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0b101d;
        --surface: #111726;
        --surface-2: #161e30;
        --overlay: #1b2437;
        --ink: #e8edf6;
        --muted: #8b99b3;
        --line: #202a41;
        --line-strong: #2b3853;
        --accent: #7d9dff;
        --accent-ink: #0b101d;
        --accent-bg: #1a2440;
        --hivis: #d99a2b;
        --warn: #f2c66d;
        --warn-bg: #342a10;
        --danger: #f28b8b;
        --danger-bg: #35181d;
        --shadow-1: none;
        --shadow-2: none;
        --shadow-3: 0 24px 48px -12px rgb(0 0 0 / 0.5);
        --subtle: var(--surface-2);
        --notice-bg: var(--surface-2);
        --focus: var(--accent);
        --button-ink: var(--accent-ink);
        --energy-gravity: #5b7fe8;
        --energy-motion: #e8703a;
        --energy-mechanical: #7d8ba1;
        --energy-electrical: #d9a520;
        --energy-pressure: #2fa596;
        --energy-chemical: #3f9e5f;
        --energy-thermal: #e05252;
        --energy-sound: #a668e0;
        --energy-radiation: #e0559a;
        --energy-biological: #86a832;
    }
}

/* Wave 5 design-system refinement */

::selection {
    background: var(--accent-bg);
    color: var(--ink);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

html {
    color-scheme: light;
}

html[data-theme="dark"] {
    color-scheme: dark;
}

body {
    line-height: 1.65;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-block: 0;
    font-weight: 650;
}

h1 {
    font-size: clamp(2rem, 1.4rem + 2vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.08;
}

h2 {
    font-size: 1.375rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h3 {
    font-size: 1.0625rem;
    font-weight: 650;
    line-height: 1.3;
}

.eyebrow {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 85%, transparent);
    backdrop-filter: blur(10px);
}

@supports not (backdrop-filter: blur(10px)) {
    .site-header {
        background: var(--surface);
    }
}

.site-header-inner {
    min-height: 64px;
    align-items: center;
    flex-direction: row;
    gap: var(--space-3);
    padding-block: var(--space-3);
}

.brand-block {
    min-width: 0;
    flex-shrink: 0;
    gap: 0;
}

.wordmark {
    font-size: 1.25rem;
    letter-spacing: -0.035em;
}

.tagline {
    display: none;
    font-size: 0.75rem;
    white-space: nowrap;
}

.header-tools {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    min-width: 0;
    margin-left: auto;
}

.site-nav {
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-1) var(--space-3);
}

.site-nav a,
.footer-nav a {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-s);
    color: var(--ink);
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
    transition: color var(--transition), background var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-nav a:hover,
.footer-nav a:focus-visible {
    background: var(--surface-2);
    color: var(--accent);
}

.site-nav a.is-active {
    background: var(--accent-bg);
    color: var(--accent);
    text-decoration: none;
}

.theme-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    padding: 2px;
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
    background: var(--surface-2);
}

.theme-toggle button {
    display: inline-grid;
    width: 28px;
    height: 28px;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
}

.theme-toggle button:hover,
.theme-toggle button:focus-visible,
.theme-toggle button[aria-pressed="true"] {
    background: var(--overlay);
    color: var(--ink);
}

.theme-toggle svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.5;
}

.notice-strip {
    border-top: 3px solid var(--hivis);
    border-bottom: 1px solid var(--line);
    background: var(--notice-bg);
}

.page-content {
    gap: var(--space-4);
    padding-block: var(--space-6) var(--space-8);
}

.page-header {
    gap: var(--space-1);
}

.page-header h1,
.hero h1,
.placeholder-section h1,
.prose-card h1 {
    font-size: clamp(2rem, 1.4rem + 2vw, 2.75rem);
    line-height: 1.08;
}

.card {
    padding: var(--space-5);
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    background: var(--surface);
    box-shadow: var(--shadow-1);
}

.card:hover {
    transform: none;
    border-color: var(--line);
    box-shadow: var(--shadow-1);
}

.hero {
    position: relative;
    isolation: isolate;
    gap: var(--space-6);
    overflow: hidden;
    padding-block: var(--space-7);
}

.hero::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background-image: radial-gradient(var(--line-strong) 1px, transparent 1px);
    background-size: 18px 18px;
    content: "";
    mask-image: radial-gradient(ellipse 85% 90% at 50% 50%, #000 0%, transparent 82%);
    -webkit-mask-image: radial-gradient(ellipse 85% 90% at 50% 50%, #000 0%, transparent 82%);
    opacity: 0.7;
}

.hero-copy {
    gap: var(--space-4);
}

.hero-copy h1 {
    max-width: 16ch;
}

.hero-subline {
    max-width: 34ch;
    margin: 0;
    color: var(--muted);
    font-size: 1.0625rem;
    line-height: 1.5;
}

.hero-copy::after {
    display: none;
}

.hero-wheel {
    position: relative;
    isolation: isolate;
}

.hero-wheel::before {
    position: absolute;
    z-index: -1;
    inset: 8% 0 10%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 6%, transparent), transparent 68%);
    content: "";
    filter: blur(18px);
}

.button-row {
    gap: var(--space-2);
}

.alert-warn,
.alert-danger {
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-s);
}

label {
    margin-bottom: var(--space-1);
}

.btn {
    min-height: 44px;
    padding: 0.65rem var(--space-3);
    border: 1px solid var(--accent);
    border-radius: var(--radius-s);
    background: var(--accent);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.18);
    color: var(--accent-ink);
    font-weight: 650;
    transition: background var(--transition), border-color var(--transition), color var(--transition), filter var(--transition), transform var(--transition);
}

.btn:hover,
.btn:focus-visible {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--accent-ink);
    filter: brightness(1.06);
}

.btn:active {
    transform: translateY(1px);
}

.btn.btn-secondary {
    border-color: var(--line-strong);
    background: transparent;
    box-shadow: none;
    color: var(--ink);
}

.btn.btn-secondary:hover,
.btn.btn-secondary:focus-visible {
    border-color: var(--accent);
    background: transparent;
    color: var(--accent);
    filter: none;
}

input,
select,
textarea {
    padding: var(--space-3);
    border-color: var(--line-strong);
    border-radius: var(--radius-s);
    background: var(--surface);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

input::placeholder,
textarea::placeholder {
    color: var(--muted);
    opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.pill {
    font-size: 0.6875rem;
}

.pill-neutral,
.mode-chip,
.trigger-note,
.calculator-band {
    background: var(--surface-2);
}

.task-card {
    padding: var(--space-5);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.task-card:hover,
.task-card:focus-within {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-2);
}

.task-card h3 {
    font-weight: 650;
}

.task-card p {
    color: var(--muted);
}

.task-card .pill {
    min-height: 24px;
    padding: 0.2rem var(--space-2);
    font-size: 0.6875rem;
}

.home-task-mini-card {
    padding: var(--space-3);
    border-radius: var(--radius-s);
    background: var(--surface-2);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.home-task-mini-card:hover,
.home-task-mini-card:focus-visible {
    border-color: var(--line-strong);
    background: var(--surface);
    box-shadow: var(--shadow-1);
    color: var(--accent);
    transform: translateY(-2px);
}

.filter-button {
    min-height: 36px;
    justify-content: flex-start;
    padding: var(--space-2) var(--space-3);
    border: 0;
    border-radius: var(--radius-s);
    background: transparent;
    color: var(--muted);
    font-size: 0.875rem;
    font-weight: 600;
    transition: background var(--transition), color var(--transition);
}

.task-filters,
.task-phase,
.trigger-checks,
.controls-card,
.spa-card,
.copy-card,
.home-task-search {
    gap: var(--space-3);
}

.trigger-note {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-s);
}

.checklist,
.trigger-list {
    gap: var(--space-3);
}

.filter-button:hover,
.filter-button:focus-visible {
    border-color: transparent;
    background: var(--surface-2);
    color: var(--ink);
}

.filter-button.is-active {
    border-color: transparent;
    background: var(--accent-bg);
    color: var(--accent);
}

.quick-chip {
    border-color: var(--line);
    border-radius: var(--radius-s);
    background: var(--surface-2);
    transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
}

.quick-chip:hover,
.quick-chip:focus-visible {
    border-color: var(--line-strong);
    background: var(--surface);
    color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-1);
}

.quick-chip-secondary {
    border-color: var(--line-strong);
    color: var(--accent);
}

.quick-fill-chips .quick-chip {
    border-color: var(--line);
}

.energy-wheel-segment {
    transition: filter var(--transition), transform var(--transition);
}

.energy-wheel-segment:hover,
.energy-wheel-segment:focus-visible {
    filter: brightness(1.12);
}

.energy-wheel-segment text {
    fill: #ffffff;
    font-size: 10px;
    font-weight: 600;
    paint-order: stroke;
    stroke: rgb(0 0 0 / 0.28);
    stroke-width: 1.5px;
}

.energy-wheel-caption {
    font-size: 7px;
    letter-spacing: 0.22em;
}

.energy-wheel-swatch {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}

.energy-wheel-page-top .energy-wheel {
    width: 100%;
}

.trigger-intro p {
    max-width: 68ch;
}

.question-list {
    counter-reset: trigger-question;
    gap: var(--space-2);
    list-style: none;
    padding-left: 0;
}

.question-list li {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: var(--space-2);
    padding-left: 0;
}

.question-list li::before {
    counter-increment: trigger-question;
    color: var(--accent);
    content: counter(trigger-question, decimal-leading-zero);
    font-family: "Plex Mono", monospace;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.65;
}

.static-article {
    width: 100%;
    max-width: 68ch;
    gap: var(--space-2);
}

.static-article h2 {
    margin-block: var(--space-7) var(--space-4);
}

.static-article ul {
    gap: var(--space-2);
}

.static-article img {
    min-width: 0;
    max-width: 100%;
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-m);
    border: 1px solid var(--line);
    margin-block: var(--space-3);
}

.spa-card blockquote {
    background: var(--accent-bg);
}

.calculator-energy {
    gap: var(--space-1);
    margin-block: var(--space-4);
}

.calculator-energy strong {
    display: inline-flex;
    align-items: baseline;
    gap: var(--space-2);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1;
}

.calculator-energy-value,
.calculator-energy-unit,
.calculator-energy > span {
    font-family: "Plex Mono", monospace;
    font-variant-numeric: tabular-nums;
}

.calculator-energy-unit {
    color: var(--muted);
    font-size: 1.25rem;
    font-weight: 600;
}

.calculator-energy > span {
    color: var(--muted);
    font-size: 0.875rem;
    font-weight: 600;
}

.result-card {
    border-color: var(--line);
    background: var(--surface-2);
    box-shadow: var(--shadow-1);
}

.result-card:hover {
    border-color: var(--line);
    box-shadow: var(--shadow-1);
}

#calculator-result-content > :not(:first-child) {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--line);
}

#calculator-result-content > .alert-warn,
#calculator-result-content > .alert-danger {
    border-top: 1px solid currentColor;
}

.result-card .button-row {
    justify-content: flex-end;
}

.threshold-gauge {
    margin-block: var(--space-4) var(--space-5);
}

.gauge-track {
    height: 10px;
    border: 0;
    background: var(--line);
}

.gauge-zone-neutral { background: color-mix(in srgb, var(--muted) 10%, var(--surface)); }
.gauge-zone-caution { background: color-mix(in srgb, var(--warn) 16%, var(--surface)); }
.gauge-zone-elevated { background: color-mix(in srgb, var(--warn) 25%, var(--surface)); }
.gauge-zone-high { background: color-mix(in srgb, var(--danger) 20%, var(--surface)); }

.gauge-marker {
    top: 50%;
    bottom: auto;
    width: 14px;
    height: 14px;
    border: 2px solid var(--surface);
    border-radius: 50%;
    background: var(--ink);
    box-shadow: 0 0 0 1px var(--ink);
    transform: translate(-50%, -50%);
    transition: left var(--transition);
}

.gauge-marker::before {
    display: none;
}

.gauge-threshold-tick {
    top: -4px;
    bottom: -4px;
    width: 2px;
    background: var(--danger);
}

.gauge-threshold-tick span {
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    color: var(--danger);
    font-family: "Plex Mono", monospace;
    font-size: 0.6875rem;
    white-space: nowrap;
    transform: translateX(-50%);
}

.footer-inner {
    gap: var(--space-3);
    padding-block: var(--space-5) var(--space-6);
}

.footer-inner p,
.footer-built {
    font-size: 0.75rem;
}

@media (min-width: 720px) {
    .hero {
        gap: var(--space-6);
    }

    .energy-wheel-page-top .energy-wheel {
        grid-template-columns: minmax(280px, 1fr) minmax(170px, 220px);
        align-items: center;
        max-width: none;
    }

    .energy-wheel-page-top .energy-wheel-legend {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 900px) {
    .site-header-inner {
        flex-direction: row;
    }

    .site-nav {
        flex-wrap: nowrap;
    }
}

@media (min-width: 900px) and (max-width: 1399px) {
    .site-nav {
        gap: var(--space-1) var(--space-2);
    }

    .site-nav a {
        padding: var(--space-1) 0.4rem;
        font-size: 0.9rem;
    }

    .header-tools {
        gap: var(--space-2);
    }
}

@media (max-width: 899px) {
    .site-header-inner {
        flex-wrap: wrap;
    }

    .header-tools {
        flex-wrap: wrap;
    }

    .site-nav {
        order: 2;
        flex-basis: 100%;
        justify-content: flex-start;
    }
}

@media (min-width: 640px) {
    .footer-inner {
        row-gap: var(--space-4);
    }

    .footer-meta {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2) var(--space-5);
    }
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }

    .card:hover,
    .task-card:hover,
    .home-task-mini-card:hover,
    .quick-chip:hover,
    .btn:active {
        transform: none;
    }
}

/* Wave 6 iconography and motion polish */

@view-transition {
    navigation: auto;
}

h1 {
    view-transition-name: page-title;
}

.energy-icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    flex: 0 0 auto;
    vertical-align: -0.14em;
}

.pill {
    gap: 0.35rem;
}

.pill-icon {
    width: 14px;
    height: 14px;
    vertical-align: 0;
}

.trigger-page-header h1 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.trigger-title-icon {
    display: inline-grid;
    width: 28px;
    height: 28px;
    min-height: 0;
    flex: 0 0 auto;
    place-items: center;
    padding: 0;
    border: 0;
    background: transparent;
}

.trigger-title-icon .energy-icon {
    width: 22px;
    height: 22px;
}

.task-card {
    overflow: hidden;
    padding-right: calc(var(--space-5) + 3.5rem);
}

.task-card > .pill-row,
.task-card > p {
    position: relative;
    z-index: 1;
}

.task-card-watermark {
    position: absolute;
    right: 0.6rem;
    bottom: 0.25rem;
    z-index: 0;
    width: 92px;
    height: 92px;
    color: var(--task-energy-color, var(--muted));
    opacity: 0.09;
    pointer-events: none;
}

.task-card-watermark .energy-icon {
    width: 100%;
    height: 100%;
}

.task-detail-header .pill-icon {
    width: 20px;
    height: 20px;
}

.home-task-name {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
}

.home-task-name > .energy-icon {
    width: 16px;
    height: 16px;
    margin-top: 0.08rem;
    color: var(--home-energy-color, currentColor);
}

.home-task-energy-gravity { --home-energy-color: var(--energy-gravity); }
.home-task-energy-motion { --home-energy-color: var(--energy-motion); }
.home-task-energy-mechanical { --home-energy-color: var(--energy-mechanical); }
.home-task-energy-electrical { --home-energy-color: var(--energy-electrical); }
.home-task-energy-pressure { --home-energy-color: var(--energy-pressure); }
.home-task-energy-chemical { --home-energy-color: var(--energy-chemical); }
.home-task-energy-thermal { --home-energy-color: var(--energy-thermal); }
.home-task-energy-sound { --home-energy-color: var(--energy-sound); }
.home-task-energy-radiation { --home-energy-color: var(--energy-radiation); }
.home-task-energy-biological { --home-energy-color: var(--energy-biological); }

.home-task-mini-card .pill {
    gap: 0.3rem;
}

.phase-heading {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.phase-heading .phase-icon {
    width: 18px;
    height: 18px;
    color: var(--muted);
}

.filter-button {
    align-items: center;
    gap: 0.45rem;
}

.filter-button .phase-icon {
    width: 16px;
    height: 16px;
    color: currentColor;
}

.energy-wheel-icon {
    display: inline-grid;
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    place-items: center;
    color: var(--energy-color);
}

.energy-wheel-icon .energy-icon {
    width: 16px;
    height: 16px;
}

.energy-wheel-legend-item {
    transition: color var(--transition), background-color var(--transition);
}

.energy-wheel-segment {
    transform-box: view-box;
    transform-origin: 150px 150px;
    animation: energy-wheel-segment-in 240ms ease-out both;
}

.energy-wheel-segment:nth-child(3) { animation-delay: 0ms; }
.energy-wheel-segment:nth-child(4) { animation-delay: 30ms; }
.energy-wheel-segment:nth-child(5) { animation-delay: 60ms; }
.energy-wheel-segment:nth-child(6) { animation-delay: 90ms; }
.energy-wheel-segment:nth-child(7) { animation-delay: 120ms; }
.energy-wheel-segment:nth-child(8) { animation-delay: 150ms; }
.energy-wheel-segment:nth-child(9) { animation-delay: 180ms; }
.energy-wheel-segment:nth-child(10) { animation-delay: 210ms; }
.energy-wheel-segment:nth-child(11) { animation-delay: 240ms; }
.energy-wheel-segment:nth-child(12) { animation-delay: 270ms; }

@keyframes energy-wheel-segment-in {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.gauge-marker {
    transition: left 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.gauge-marker.gauge-high.gauge-pulse {
    animation: gauge-high-pulse 600ms ease-out 1;
}

@keyframes gauge-high-pulse {
    0%,
    100% {
        box-shadow: 0 0 0 1px var(--ink);
    }
    50% {
        box-shadow: 0 0 0 6px color-mix(in srgb, var(--danger) 28%, transparent);
    }
}

.copy-success-icon {
    width: 1.05em;
    height: 1.05em;
    vertical-align: -0.15em;
}

.btn.is-copied {
    border-color: var(--accent);
    background: transparent;
    color: var(--accent);
}

.js .reveal {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 360ms ease-out, transform 360ms ease-out;
    transition-delay: var(--reveal-delay, 0ms);
}

.js .reveal.is-revealed {
    opacity: 1;
    transform: translateY(0);
}

.js .task-card.reveal.is-revealed:hover,
.js .task-card.reveal.is-revealed:focus-within,
.js .home-task-mini-card.reveal.is-revealed:hover,
.js .home-task-mini-card.reveal.is-revealed:focus-visible {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-2);
}

html.theme-transitioning,
html.theme-transitioning body,
html.theme-transitioning .site-header,
html.theme-transitioning .notice-strip,
html.theme-transitioning .site-footer,
html.theme-transitioning .card,
html.theme-transitioning .home-task-mini-card,
html.theme-transitioning .filter-button,
html.theme-transitioning .quick-chip,
html.theme-transitioning input,
html.theme-transitioning select,
html.theme-transitioning textarea,
html.theme-transitioning .theme-toggle {
    transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

html.theme-transitioning .energy-wheel-segment,
html.theme-transitioning .energy-wheel-center,
html.theme-transitioning .energy-wheel-bolt {
    transition: fill 200ms ease, color 200ms ease, stroke 200ms ease;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .task-card-watermark {
        opacity: 0.14;
    }
}

:root[data-theme="dark"] .task-card-watermark {
    opacity: 0.14;
}

@media (prefers-reduced-motion: reduce) {
    .energy-wheel-segment,
    .gauge-marker.gauge-high.gauge-pulse {
        animation: none;
    }

    .js .reveal,
    .js .reveal.is-revealed {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .js .task-card.reveal.is-revealed:hover,
    .js .task-card.reveal.is-revealed:focus-within,
    .js .home-task-mini-card.reveal.is-revealed:hover,
    .js .home-task-mini-card.reveal.is-revealed:focus-visible {
        transform: none;
    }
}

/* Wave 10 homepage method and workflow */

.notice-strip {
    padding-block: 0.3rem;
    border-top: 0;
    background: transparent;
    color: var(--muted);
    font-size: 0.7rem;
}

.notice-glyph {
    display: none;
}

.calculator-index-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
}

.calculator-index-card {
    display: grid;
    align-content: start;
    gap: var(--space-3);
    color: var(--ink);
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.calculator-index-card:hover,
.calculator-index-card:focus-visible {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-2);
}

.calculator-index-card h2 {
    margin: 0;
    font-size: 1.15rem;
}

.calculator-index-card .pill {
    justify-self: start;
}

.calculator-index-formula {
    margin: 0;
    font-family: var(--font-mono, monospace);
    font-size: 0.85rem;
    color: var(--accent);
}

.calculator-index-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.calculator-index-note {
    margin-top: var(--space-4);
    color: var(--muted);
    font-size: 0.85rem;
}

.home-explainer {
    gap: var(--space-3);
    background: var(--surface-2);
}

.home-explainer p {
    max-width: 72ch;
    margin: 0;
    color: var(--ink);
}

.home-inline-link,
.home-example-links a {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 0.35rem;
    font-weight: 650;
}

.link-arrow {
    display: inline-block;
    transition: transform var(--transition);
}

.home-inline-link:hover .link-arrow,
.home-inline-link:focus-visible .link-arrow,
.home-example-links a:hover .link-arrow,
.home-example-links a:focus-visible .link-arrow {
    transform: translateX(2px);
}

.home-workflow {
    display: grid;
    gap: var(--space-3);
}

.home-workflow h2,
.home-phase-directory h2 {
    margin: 0;
    font-size: 1.25rem;
}

.home-workflow-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.home-workflow-list li {
    min-width: 0;
    border-top: 1px solid var(--line);
}

.home-workflow-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.home-workflow-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-3);
    min-height: 100%;
    padding: var(--space-4) 0;
    color: var(--ink);
}

a.home-workflow-step:hover,
a.home-workflow-step:focus-visible {
    color: var(--accent);
}

.home-workflow-number {
    color: var(--accent);
    font-family: "Plex Mono", monospace;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    line-height: 1.45;
}

.home-workflow-copy {
    display: grid;
    gap: 0.2rem;
}

.home-workflow-copy strong {
    font-size: 1rem;
    font-weight: 650;
    line-height: 1.3;
}

.home-workflow-copy span {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.45;
}

.home-example {
    display: grid;
    gap: var(--space-3);
}

.home-example-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.home-example-heading h2 {
    font-size: 1.35rem;
}

.home-example > p,
.home-example h3 {
    margin: 0;
}

.home-example h3 {
    font-size: 1rem;
}

.home-example-formula {
    padding: var(--space-3) var(--space-4);
    border-left: 3px solid var(--energy-gravity);
    background: var(--surface-2);
    color: var(--ink);
    font-family: "Plex Mono", monospace;
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
}

.home-example .checklist {
    margin: 0;
}

.home-example-footer {
    color: var(--muted);
    font-size: 0.88rem;
}

.home-example-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3) var(--space-5);
    padding-top: var(--space-2);
    border-top: 1px solid var(--line);
}

body.page-content-home .home-task-search {
    display: none;
}

html.js body.page-content-home .home-task-search {
    display: grid;
}

.home-phase-directory {
    display: grid;
    gap: var(--space-3);
}

.home-phase-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
}

.home-phase-tile {
    display: grid;
    align-content: start;
    gap: var(--space-2);
    min-width: 0;
    min-height: 142px;
    padding: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
    background: var(--surface-2);
    color: var(--ink);
    transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition);
}

.home-phase-tile:hover,
.home-phase-tile:focus-visible {
    border-color: var(--line-strong);
    background: var(--surface);
    box-shadow: var(--shadow-1);
    color: var(--accent);
    transform: translateY(-2px);
}

.home-phase-icon {
    display: inline-grid;
    width: 1.5rem;
    height: 1.5rem;
    place-items: center;
    color: var(--accent);
}

.home-phase-icon .phase-icon {
    width: 100%;
    height: 100%;
}

.home-phase-name {
    font-size: 0.93rem;
    font-weight: 650;
    line-height: 1.3;
}

.home-phase-count {
    color: var(--muted);
    font-family: "Plex Mono", monospace;
    font-size: 0.75rem;
    font-weight: 600;
}

.page-content-tasks .task-phase {
    scroll-margin-top: 8rem;
}

.worked-examples-intro,
.worked-examples-closing {
    margin: 0;
}

.worked-examples-intro {
    max-width: 72ch;
}

.worked-examples-grid {
    display: grid;
    gap: var(--space-4);
}

.worked-example-card {
    gap: var(--space-3);
}

.worked-example-card h2 {
    margin: 0;
    font-size: 1.25rem;
    line-height: 1.25;
}

.worked-example-result {
    margin: 0;
    font-size: 1.05rem;
}

.worked-example-band {
    margin: 0;
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.5;
}

.worked-examples-closing {
    color: var(--muted);
}

@media (min-width: 640px) {
    .home-workflow-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .home-workflow-list li {
        border-top: 0;
        border-left: 1px solid var(--line);
    }

    .home-workflow-list li:first-child {
        border-left: 0;
    }

    .home-workflow-list li:last-child {
        border-bottom: 0;
    }

    .home-workflow-step {
        padding: var(--space-2) var(--space-4);
    }

    .home-workflow-list li:first-child .home-workflow-step {
        padding-left: 0;
    }

    .home-workflow-list li:last-child .home-workflow-step {
        padding-right: 0;
    }

    .home-phase-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 960px) {
    .home-phase-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media print {
    @page {
        margin: 1.5cm;
    }

    @page scan-card {
        size: A4 portrait;
        margin: 12mm;
    }

    :root,
    :root[data-theme="dark"] {
        --bg: #f5f7fa;
        --surface: #ffffff;
        --surface-2: #f9fafc;
        --overlay: #ffffff;
        --ink: #101b33;
        --muted: #55647f;
        --line: #e3e8f0;
        --line-strong: #cdd6e4;
        --accent: #2455e6;
        --accent-ink: #ffffff;
        --accent-bg: #eef2fe;
        --hivis: #f59e0b;
        --warn: #92400e;
        --warn-bg: #fef3c7;
        --danger: #b91c1c;
        --danger-bg: #fee2e2;
        --shadow-1: 0 1px 2px rgb(16 27 51 / 0.06), 0 1px 3px rgb(16 27 51 / 0.10);
        --shadow-2: 0 2px 4px rgb(16 27 51 / 0.05), 0 12px 24px -8px rgb(16 27 51 / 0.12);
        --shadow-3: 0 4px 8px rgb(16 27 51 / 0.06), 0 24px 48px -12px rgb(16 27 51 / 0.18);
        --subtle: var(--surface-2);
        --notice-bg: var(--surface-2);
        --focus: var(--accent);
        --button-ink: var(--accent-ink);
        --energy-gravity: #1e40af;
        --energy-motion: #c2410c;
        --energy-mechanical: #475569;
        --energy-electrical: #a16207;
        --energy-pressure: #0f766e;
        --energy-chemical: #15803d;
        --energy-thermal: #b91c1c;
        --energy-sound: #7e22ce;
        --energy-radiation: #be185d;
        --energy-biological: #4d7c0f;
        --energy-gravity-tint: color-mix(in srgb, var(--energy-gravity) 14%, transparent);
        --energy-motion-tint: color-mix(in srgb, var(--energy-motion) 14%, transparent);
        --energy-mechanical-tint: color-mix(in srgb, var(--energy-mechanical) 14%, transparent);
        --energy-electrical-tint: color-mix(in srgb, var(--energy-electrical) 14%, transparent);
        --energy-pressure-tint: color-mix(in srgb, var(--energy-pressure) 14%, transparent);
        --energy-chemical-tint: color-mix(in srgb, var(--energy-chemical) 14%, transparent);
        --energy-thermal-tint: color-mix(in srgb, var(--energy-thermal) 14%, transparent);
        --energy-sound-tint: color-mix(in srgb, var(--energy-sound) 14%, transparent);
        --energy-radiation-tint: color-mix(in srgb, var(--energy-radiation) 14%, transparent);
        --energy-biological-tint: color-mix(in srgb, var(--energy-biological) 14%, transparent);
    }

    html {
        color-scheme: light !important;
        background: var(--bg) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    body {
        min-width: 0;
        background: var(--bg) !important;
        color: var(--ink) !important;
        font-size: 11pt;
    }

    .site-header {
        position: static !important;
        background: var(--surface) !important;
        backdrop-filter: none;
    }

    .site-header-inner {
        padding-block: var(--space-3);
    }

    .site-nav,
    .theme-toggle,
    .footer-nav,
    .notice-strip,
    .no-print,
    .result-hide,
    [data-copy-result],
    [data-copy-text],
    .quick-fill {
        display: none !important;
    }

    .page-content {
        width: auto !important;
        max-width: none !important;
        padding-block: var(--space-4) var(--space-5);
    }

    .page-content-task-detail,
    .page-content-tasks,
    .page-content-calculator,
    .page-content-scan-card {
        width: auto !important;
        max-width: none !important;
    }

    .page-content-task-detail {
        display: block;
        padding: 0;
    }

    .page-content-calculator .calculator-layout {
        display: block;
    }

    .page-content-calculator .calculator-form-card,
    .page-content-calculator .result-card {
        margin-bottom: 1rem;
        break-inside: avoid;
    }

    .page-content-calculator .result-card {
        position: static !important;
    }

    .page-content-calculator input,
    .page-content-calculator select {
        border-color: #9aa5b5;
        background: #ffffff !important;
        color: #000000 !important;
    }

    .page-content-calculator .calculator-form-card .calculator-fieldset {
        margin-bottom: 1rem;
    }

    .page-content-task-detail .card,
    .page-content-tasks .card,
    .page-content-calculator .card,
    .page-content-scan-card .card {
        box-shadow: none !important;
    }

    .page-content-task-detail .card,
    .page-content-task-detail .spa-card blockquote {
        margin: 0 0 1rem;
        padding: 0;
        border: 0;
        border-radius: 0;
        background: #ffffff !important;
        color: #000000 !important;
    }

    .page-content-task-detail .pill {
        border: 1px solid #000000;
        background: #ffffff !important;
        color: #000000 !important;
    }

    .visual-checkbox {
        appearance: none;
        -webkit-appearance: none;
        display: grid;
        place-content: center;
        width: 1.15rem;
        height: 1.15rem;
        margin-top: 0;
        border: 2px solid #000000;
        border-radius: 3px;
        background: #ffffff;
        color: #000000;
    }

    .visual-checkbox:checked {
        border-color: #000000;
        background: #ffffff;
    }

    .visual-checkbox::before {
        border-color: #000000;
    }

    .page-content-task-detail .print-disclaimer {
        display: block;
        margin-top: 1.25rem;
        color: #000000;
    }

    .card,
    .reveal,
    .task-card,
    .task-phase,
    .scan-card-row {
        break-inside: avoid;
    }

    .card,
    * {
        animation: none !important;
        transition: none !important;
    }

    .js .reveal,
    .js .reveal.is-revealed,
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }

    .task-card-watermark {
        opacity: 0.05 !important;
    }

    .pill,
    .energy-icon,
    .scan-card-energy,
    .task-card-watermark {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .site-footer {
        background: var(--surface) !important;
    }

    .print-footer {
        display: block !important;
        color: #000000 !important;
        font-size: 0.75rem;
    }

    .checklist-hint {
        display: none !important;
    }

    body.page-content-scan-card .site-header,
    body.page-content-scan-card .notice-strip,
    body.page-content-scan-card .site-footer {
        display: none !important;
    }

    body.page-content-scan-card .footer-nav,
    body.page-content-scan-card .footer-meta,
    body.page-content-scan-card .footer-inner > p:not(.print-footer) {
        display: none;
    }

    body.page-content-scan-card .footer-inner {
        display: block;
        padding-block: 0;
    }

    body.page-content-scan-card {
        page: scan-card;
    }

    .page-content-scan-card {
        gap: var(--space-3);
    }

    .page-content-scan-card .scan-card-page-header {
        display: none;
    }

    .page-content-scan-card .scan-card {
        max-width: none;
        padding: 8mm;
        border: 1px solid #aeb8c8;
        border-radius: 0;
        background: #ffffff !important;
        color: #000000 !important;
    }

    .page-content-scan-card .scan-card-rows {
        gap: 1.8mm;
    }

    .page-content-scan-card .scan-card-row {
        grid-template-columns: 1rem minmax(0, 1fr);
        gap: 2.5mm;
    }

    .page-content-scan-card .scan-card-row .visual-checkbox {
        width: 4mm;
        height: 4mm;
    }

    .page-content-scan-card .scan-card-ask {
        font-size: 9pt;
        line-height: 1.3;
    }

    .page-content-scan-card .scan-card-threshold,
    .page-content-scan-card .scan-card-direct-control {
        padding: 3mm;
        background: #f5f7fa !important;
        color: #000000 !important;
        line-height: 1.4;
    }

    .page-content-scan-card .scan-card-print-footer {
        color: #000000 !important;
        line-height: 1.35;
    }

    @view-transition {
        navigation: none;
    }
}