:root {
    --brand: #C84A5A;
    --brand-dark: #A83A49;
    --copper: #D08A48;
    --accent: #E59A3A;
    --ink: #121214;
    --bg: #17171A;
    --surface: #222226;
    --surface-2: #29292E;
    --line: #37373D;
    --text: #F1EEEE;
    --muted: #A9A3A6;
    --soft: #D4CED0;
    --white: #FFFFFF;
    --success: #A8C49D;
    --warning: #E0B77C;
    --shadow: 0 22px 60px rgba(0, 0, 0, .24);
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --shell: 1180px;
    --reading: 820px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--text);
    background: var(--bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}

body.is-locked {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

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

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(229, 154, 58, .75);
    outline-offset: 3px;
}

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

h1,
h2,
h3 {
    line-height: 1.2;
    letter-spacing: -.02em;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 4.9rem);
    margin-bottom: 24px;
}

h2 {
    font-size: clamp(1.7rem, 3vw, 2.65rem);
    margin-bottom: 18px;
}

h3 {
    font-size: 1.18rem;
    margin-bottom: 10px;
}

p {
    color: var(--soft);
    margin-bottom: 1em;
}

strong {
    color: var(--text);
}

.shell {
    width: min(calc(100% - 48px), var(--shell));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: 12px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--accent);
    color: var(--ink);
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(18, 18, 20, .96);
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    backdrop-filter: blur(16px);
}

.site-header__inner {
    min-height: 76px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 26px;
}

.brandmark {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    min-width: max-content;
}

.brandmark img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 12px;
}

.brandmark__text {
    display: grid;
    gap: 2px;
}

.brandmark__text strong {
    font-size: 1.08rem;
    letter-spacing: .04em;
}

.brandmark__text small {
    color: var(--muted);
    font-size: .74rem;
    letter-spacing: .02em;
}

.primary-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
}

.primary-nav a {
    text-decoration: none;
    color: var(--muted);
    padding: 9px 12px;
    border-radius: 999px;
    font-size: .92rem;
}

.primary-nav a:hover,
.primary-nav a.is-active {
    color: var(--text);
    background: var(--surface);
}

.search-trigger,
.menu-toggle {
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    border-radius: 999px;
    cursor: pointer;
}

.search-trigger {
    padding: 9px 15px;
}

.search-trigger:hover {
    border-color: var(--accent);
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 42px;
    padding: 8px 10px;
    position: relative;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 20px;
    margin: 4px auto;
    background: var(--text);
}

.menu-toggle b {
    position: absolute;
    width: 1px;
    height: 1px;
    clip: rect(0 0 0 0);
    overflow: hidden;
}

.search-modal[hidden] {
    display: none !important;
}

.search-modal {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: grid;
    place-items: start center;
    padding: 11vh 24px 24px;
}

.search-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 8, 10, .8);
}

.search-modal__panel {
    position: relative;
    width: min(680px, 100%);
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.search-modal__panel h2 {
    font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.search-modal__close {
    position: absolute;
    right: 18px;
    top: 16px;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 50%;
    background: var(--ink);
    color: var(--text);
    font-size: 1.7rem;
    cursor: pointer;
}

.search-modal__hint {
    margin: 16px 0 0;
    font-size: .9rem;
    color: var(--muted);
}

.eyebrow,
.section-kicker {
    margin-bottom: 12px;
    color: var(--copper);
    font-size: .78rem;
    line-height: 1.3;
    letter-spacing: .14em;
    text-transform: uppercase;
    font-weight: 700;
}

.hero {
    border-bottom: 1px solid var(--line);
}

.hero--editorial {
    padding: 82px 0 66px;
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
    align-items: center;
    gap: 58px;
}

.hero__content h1 {
    max-width: 820px;
}

.hero__lead,
.page-hero__lead {
    max-width: 760px;
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    line-height: 1.75;
    color: var(--soft);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 30px 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
}

.button--primary {
    background: var(--brand);
    color: var(--white);
}

.button--primary:hover {
    background: var(--brand-dark);
    color: var(--white);
}

.button--ghost {
    border-color: var(--line);
    background: transparent;
    color: var(--text);
}

.button--ghost:hover {
    border-color: var(--copper);
}

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

.button--accent:hover {
    color: var(--ink);
    filter: brightness(1.04);
}

.button--ghost-light {
    border-color: rgba(255,255,255,.24);
    color: var(--text);
}

.hero__notes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--muted);
    font-size: .9rem;
}

.hero__notes li::before {
    content: "•";
    color: var(--accent);
    margin-right: 8px;
}

.hero__media {
    margin: 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.hero__media img {
    width: 100%;
    aspect-ratio: 1.25 / 1;
    object-fit: cover;
    border-radius: 19px;
}

.hero__media figcaption {
    padding: 14px 6px 2px;
    color: var(--muted);
    font-size: .88rem;
}

.section {
    padding: 82px 0;
    border-bottom: 1px solid rgba(255,255,255,.055);
}

.section--tight {
    padding-top: 56px;
    padding-bottom: 56px;
}

.section--surface {
    background: var(--surface);
}

.section--ink {
    background: var(--ink);
}

.narrow-grid {
    display: grid;
    grid-template-columns: minmax(260px, .74fr) minmax(0, 1.26fr);
    gap: 70px;
    align-items: start;
}

.compact-prose p:last-child,
.prose p:last-child {
    margin-bottom: 0;
}

.prose-wide {
    max-width: var(--reading);
}

.prose-wide h2 {
    margin-top: 0;
}

.prose a,
.prose-wide a {
    color: var(--copper);
}

.section-heading {
    max-width: 780px;
    margin-bottom: 34px;
}

.section-heading--split {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
    gap: 50px;
    align-items: end;
}

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

.steps-list {
    border-top: 1px solid var(--line);
}

.step-row {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) 220px;
    align-items: center;
    gap: 28px;
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
}

.step-row__number {
    color: var(--brand);
    font-size: 1.5rem;
    font-weight: 800;
}

.step-row h3,
.step-row p {
    margin-bottom: 7px;
}

.step-row a {
    color: var(--copper);
    text-decoration: none;
    font-weight: 700;
}

.media-copy {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .86fr);
    gap: 62px;
    align-items: center;
}

.media-copy--image-left {
    grid-template-columns: minmax(320px, .86fr) minmax(0, 1fr);
}

.media-copy__media {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--surface);
}

.media-copy__image {
    width: 100%;
    aspect-ratio: 1.22 / 1;
    object-fit: cover;
}

.text-link {
    display: inline-flex;
    margin-top: 8px;
    color: var(--copper);
    font-weight: 700;
    text-decoration: none;
}

.text-link::after {
    content: "→";
    margin-left: 9px;
}

.text-link--light {
    color: var(--accent);
}

.app-focus {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(260px, .65fr) minmax(0, 1fr);
    gap: 44px;
    align-items: center;
}

.app-focus__intro p {
    max-width: 650px;
}

.app-focus__figure {
    margin: 0;
    border: 1px solid var(--line);
    padding: 10px;
    border-radius: 24px;
    background: var(--surface);
}

.app-focus__image {
    width: 100%;
    aspect-ratio: .82 / 1;
    object-fit: cover;
    border-radius: 16px;
}

.app-focus__points {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--line);
}

.app-focus__points article {
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}

.app-focus__points p {
    margin: 0;
    font-size: .95rem;
}

.signal-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 38px;
}

.signal-list--boxed {
    gap: 18px;
}

.signal-list--boxed .signal-item {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg);
}

.signal-item {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 18px;
    padding: 24px 0;
    border-top: 1px solid var(--line);
}

.signal-item > span {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(200, 74, 90, .14);
    color: var(--brand);
    font-weight: 800;
}

.signal-item p {
    margin-bottom: 0;
}

.section-end-link {
    margin-top: 28px;
    text-align: right;
}

.section-end-link a {
    color: var(--copper);
    font-weight: 700;
}

.editorial-note {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 72px;
    padding-left: 28px;
    border-left: 4px solid var(--brand);
}

.guide-preview {
    display: grid;
    gap: 34px;
}

.guide-preview__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.guide-preview__item {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.guide-preview__item ol {
    padding-left: 20px;
    color: var(--muted);
}

.faq-preview-layout {
    display: grid;
    grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
    gap: 58px;
    align-items: start;
}

.faq-preview-layout__media {
    margin: 0;
    position: sticky;
    top: 110px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-preview-layout__image {
    width: 100%;
    aspect-ratio: .94 / 1;
    object-fit: cover;
}

.mini-faq {
    border-top: 1px solid var(--line);
}

.mini-faq article {
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}

.mini-faq h3 {
    margin-bottom: 8px;
}

.mini-faq p {
    margin: 0;
}

.search-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
    gap: 60px;
    align-items: center;
}

.search-form label {
    display: block;
    color: var(--soft);
    margin-bottom: 8px;
    font-size: .92rem;
}

.search-form__row {
    display: flex;
    gap: 10px;
}

.search-form input {
    min-width: 0;
    flex: 1;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--ink);
    color: var(--text);
    padding: 12px 14px;
}

.search-form input::placeholder {
    color: #7E787B;
}

.search-form button {
    border: 0;
    border-radius: 12px;
    background: var(--brand);
    color: var(--white);
    padding: 12px 18px;
    font-weight: 700;
    cursor: pointer;
}

.search-form--wide {
    margin-top: 28px;
}

.closing-band {
    display: grid;
    grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
    gap: 64px;
}

.closing-band__links,
.route-band__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.closing-band__links a,
.route-band__links a {
    display: grid;
    gap: 6px;
    padding: 19px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    text-decoration: none;
    background: var(--surface);
}

.closing-band__links span,
.route-band__links span {
    color: var(--muted);
    font-size: .9rem;
}

.page-hero {
    padding: 54px 0 58px;
    border-bottom: 1px solid var(--line);
    background: var(--ink);
}

.page-hero--compact {
    padding-bottom: 48px;
}

.page-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
    gap: 60px;
    align-items: center;
}

.page-hero__grid figure {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
}

.page-hero__image {
    width: 100%;
    aspect-ratio: 1.3 / 1;
    object-fit: cover;
}

.page-hero--compact h1 {
    max-width: 900px;
    font-size: clamp(2.2rem, 4.6vw, 4.25rem);
}

.breadcrumbs {
    margin-bottom: 30px;
}

.breadcrumbs ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    color: var(--muted);
    font-size: .84rem;
}

.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 7px;
    color: #6F6A6C;
}

.breadcrumbs a {
    color: var(--muted);
    text-decoration: none;
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.number-grid article {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg);
}

.number-grid span {
    display: inline-flex;
    margin-bottom: 28px;
    color: var(--brand);
    font-size: 2rem;
    font-weight: 800;
}

.number-grid p {
    margin-bottom: 0;
}

.diagnostic-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 38px;
    border-top: 1px solid var(--line);
}

.diagnostic-list article {
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.diagnostic-list p {
    margin-bottom: 0;
}

.split-note {
    display: grid;
    grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr);
    gap: 70px;
    align-items: start;
}

.route-band {
    display: grid;
    grid-template-columns: minmax(240px, .68fr) minmax(0, 1.32fr);
    gap: 56px;
    align-items: start;
}

.route-band--light .route-band__links a {
    background: var(--surface-2);
}

.timeline-check {
    display: grid;
    grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
    gap: 64px;
}

.timeline-check ol {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid var(--line);
}

.timeline-check li {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}

.timeline-check li span {
    color: var(--muted);
}

.scenario-block {
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: 28px 64px;
}

.scenario-block__intro {
    display: grid;
    grid-template-columns: 66px 1fr;
    gap: 20px;
}

.scenario-number {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 1px solid var(--brand);
    color: var(--brand);
    font-weight: 800;
}

.scenario-steps {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
}

.scenario-steps li {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 16px;
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
}

.scenario-steps li span {
    color: var(--accent);
    font-weight: 700;
}

.scenario-steps p {
    margin: 0;
}

.scenario-next {
    grid-column: 2;
    padding-top: 6px;
}

.scenario-next a {
    color: var(--copper);
    font-weight: 700;
}

.two-column-help {
    display: grid;
    grid-template-columns: minmax(0, .88fr) minmax(320px, 1.12fr);
    gap: 70px;
    align-items: start;
}

.check-panel {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.check-panel ul {
    margin: 0 0 20px;
    padding-left: 20px;
    color: var(--soft);
}

.check-panel li {
    margin-bottom: 9px;
}

.principle-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.principle-grid article {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg);
}

.principle-grid p {
    margin-bottom: 0;
}

.submit-status {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr);
    gap: 58px;
    align-items: start;
}

.submit-status__panel {
    padding: 26px;
    border: 1px solid rgba(229,154,58,.45);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.submit-status__panel > strong {
    display: block;
    color: var(--accent);
    margin-bottom: 8px;
}

.submit-status__panel a {
    color: var(--accent);
    font-weight: 700;
}

.checklist-layout {
    display: grid;
    grid-template-columns: minmax(240px, .68fr) minmax(0, 1.32fr);
    gap: 68px;
}

.large-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid var(--line);
}

.large-checklist li {
    position: relative;
    padding: 18px 0 18px 34px;
    border-bottom: 1px solid var(--line);
    color: var(--soft);
}

.large-checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 900;
}

.faq-layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
}

.faq-layout__aside {
    position: sticky;
    top: 110px;
}

.faq-layout__aside nav {
    display: grid;
    gap: 7px;
    margin-top: 24px;
}

.faq-layout__aside nav a {
    color: var(--muted);
    text-decoration: none;
}

.faq-list {
    border-top: 1px solid var(--line);
}

.faq-item {
    border-bottom: 1px solid var(--line);
}

.faq-item h2 {
    margin: 0;
    font-size: 1.16rem;
}

.faq-item button {
    width: 100%;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
    border: 0;
    background: transparent;
    color: var(--text);
    text-align: left;
    padding: 22px 0;
    font-weight: 700;
    cursor: pointer;
}

.faq-item button b {
    color: var(--accent);
    font-size: 1.35rem;
    transition: transform .2s ease;
}

.faq-item button[aria-expanded="true"] b {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 48px 22px 0;
}

.faq-answer p {
    margin: 0;
}

.notice {
    margin: 28px 0;
    padding: 19px 22px;
    border: 1px solid var(--line);
    border-left-width: 4px;
    border-radius: var(--radius-sm);
    background: var(--surface);
}

.notice strong {
    display: block;
    margin-bottom: 4px;
}

.notice p {
    margin: 0;
}

.notice--accent {
    border-left-color: var(--accent);
}

.notice--warning {
    border-left-color: var(--warning);
}

.notice--success {
    border-left-color: var(--success);
}

.privacy-stack {
    display: grid;
    gap: 14px;
}

.privacy-stack article {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 20px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg);
}

.privacy-stack article > span {
    color: var(--brand);
    font-size: 1.35rem;
    font-weight: 800;
}

.privacy-stack p {
    margin: 0;
}

.prose--light p {
    color: var(--soft);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.contact-grid article {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg);
}

.contact-grid p:last-child {
    margin-bottom: 0;
}

.search-results {
    min-height: 320px;
}

.result-list {
    display: grid;
    gap: 14px;
}

.result-list article {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.result-list h2 {
    font-size: 1.45rem;
    margin-bottom: 10px;
}

.result-list h2 a {
    text-decoration: none;
}

.result-list p {
    max-width: 800px;
}

.empty-state {
    max-width: 760px;
    padding: 36px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.empty-state__links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 20px;
}

.empty-state__links a {
    color: var(--copper);
}

.error-page {
    min-height: 70vh;
    display: grid;
    align-items: center;
    padding: 70px 0;
}

.error-page__inner {
    max-width: 820px;
}

.error-code {
    margin: 0 0 8px;
    color: var(--brand);
    font-size: clamp(4rem, 12vw, 9rem);
    font-weight: 900;
    line-height: .9;
}

.error-page__links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 22px;
    margin-top: 30px;
}

.error-page__links a {
    color: var(--muted);
}

.site-footer {
    padding: 56px 0 24px;
    background: #0E0E10;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .7fr .7fr;
    gap: 56px;
}

.brandmark--footer {
    margin-bottom: 18px;
}

.footer-intro p {
    max-width: 520px;
    color: var(--muted);
}

.site-footer h2 {
    margin-bottom: 14px;
    color: var(--soft);
    font-size: 1rem;
    letter-spacing: .04em;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer li {
    margin-bottom: 8px;
}

.site-footer li a {
    color: var(--muted);
    text-decoration: none;
    font-size: .92rem;
}

.footer-bottom {
    margin-top: 42px;
    padding-top: 20px;
    border-top: 1px solid #26262A;
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.footer-bottom p {
    margin: 0;
    color: #7E797C;
    font-size: .82rem;
}

.back-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 80;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface);
    color: var(--text);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity .2s ease, transform .2s ease;
    cursor: pointer;
}

.back-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

@media (max-width: 1200px) {
    .shell {
        width: min(calc(100% - 40px), var(--shell));
    }

    .site-header__inner {
        gap: 14px;
    }

    .primary-nav a {
        padding-inline: 9px;
        font-size: .88rem;
    }

    .hero__grid,
    .page-hero__grid {
        gap: 38px;
    }

    .app-focus {
        grid-template-columns: 1fr .72fr;
    }

    .app-focus__points {
        grid-column: 1 / -1;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
        border-top: 0;
    }

    .app-focus__points article {
        border: 1px solid var(--line);
        padding: 20px;
        border-radius: var(--radius-md);
    }
}

@media (max-width: 1024px) {
    .site-header__inner {
        grid-template-columns: auto auto 1fr auto;
    }

    .menu-toggle {
        display: inline-block;
        order: 2;
    }

    .brandmark {
        order: 1;
    }

    .primary-nav {
        position: absolute;
        top: 76px;
        left: 20px;
        right: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        background: var(--ink);
        box-shadow: var(--shadow);
    }

    .primary-nav.is-open {
        display: flex;
    }

    .primary-nav a {
        padding: 12px 14px;
    }

    .search-trigger {
        order: 4;
    }

    .hero__grid,
    .page-hero__grid,
    .media-copy,
    .media-copy--image-left {
        grid-template-columns: 1fr;
    }

    .hero__media,
    .page-hero__grid figure,
    .media-copy__media {
        max-width: 760px;
    }

    .media-copy--image-left .media-copy__media {
        order: 2;
    }

    .media-copy--image-left .media-copy__content {
        order: 1;
    }

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

    .faq-layout {
        grid-template-columns: 250px 1fr;
        gap: 36px;
    }

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

@media (max-width: 860px) {
    .section,
    .hero--editorial {
        padding-top: 62px;
        padding-bottom: 62px;
    }

    .narrow-grid,
    .section-heading--split,
    .editorial-note,
    .faq-preview-layout,
    .search-section,
    .closing-band,
    .split-note,
    .route-band,
    .timeline-check,
    .scenario-block,
    .two-column-help,
    .submit-status,
    .checklist-layout,
    .faq-layout {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .editorial-note {
        gap: 18px;
    }

    .scenario-next {
        grid-column: 1;
    }

    .faq-layout__aside,
    .faq-preview-layout__media {
        position: static;
    }

    .guide-preview__grid,
    .app-focus__points {
        grid-template-columns: 1fr;
    }

    .app-focus {
        grid-template-columns: 1fr;
    }

    .signal-list,
    .diagnostic-list,
    .principle-grid {
        grid-template-columns: 1fr;
    }

    .step-row {
        grid-template-columns: 54px 1fr;
    }

    .step-row a {
        grid-column: 2;
    }

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

    .footer-intro {
        grid-column: 1 / -1;
    }
}

@media (max-width: 680px) {
    .shell {
        width: min(calc(100% - 30px), var(--shell));
    }

    .site-header__inner {
        min-height: 68px;
        grid-template-columns: auto 1fr auto;
    }

    .brandmark__text small {
        display: none;
    }

    .menu-toggle {
        justify-self: end;
    }

    .search-trigger {
        width: 42px;
        height: 42px;
        padding: 0;
        overflow: hidden;
        text-indent: -9999px;
        position: relative;
    }

    .search-trigger::after {
        content: "⌕";
        position: absolute;
        inset: 0;
        display: grid;
        place-items: center;
        text-indent: 0;
        font-size: 1.3rem;
    }

    .primary-nav {
        top: 68px;
        left: 15px;
        right: 15px;
    }

    h1 {
        font-size: clamp(2rem, 10vw, 3.1rem);
    }

    h2 {
        font-size: clamp(1.55rem, 7vw, 2.2rem);
    }

    .hero--editorial,
    .page-hero {
        padding-top: 46px;
        padding-bottom: 48px;
    }

    .hero__actions,
    .search-form__row {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero__notes {
        display: grid;
    }

    .section,
    .section--tight {
        padding-top: 48px;
        padding-bottom: 48px;
    }

    .number-grid,
    .closing-band__links,
    .route-band__links,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .step-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .step-row a {
        grid-column: 1;
    }

    .signal-item {
        grid-template-columns: 34px 1fr;
    }

    .signal-item > span {
        width: 32px;
        height: 32px;
        font-size: .85rem;
    }

    .scenario-block__intro {
        grid-template-columns: 1fr;
    }

    .scenario-number {
        width: 50px;
        height: 50px;
    }

    .timeline-check li {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .privacy-stack article {
        grid-template-columns: 1fr;
    }

    .search-modal {
        padding: 8vh 14px 14px;
    }

    .search-modal__panel {
        padding: 28px 20px 22px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-intro {
        grid-column: auto;
    }

    .footer-bottom {
        flex-direction: column;
    }

    .back-top {
        right: 16px;
        bottom: 16px;
    }
}

@media (max-width: 420px) {
    .brandmark img {
        width: 38px;
        height: 38px;
    }

    .brandmark__text strong {
        font-size: .98rem;
    }

    .menu-toggle,
    .search-trigger {
        width: 40px;
        height: 40px;
    }

    .hero__media,
    .page-hero__grid figure,
    .media-copy__media,
    .faq-preview-layout__media {
        border-radius: 18px;
    }

    .empty-state {
        padding: 24px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: .001ms !important;
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
    }
}