:root {
  color-scheme: dark;
  --colour-background: #102735;
  --colour-surface: #173443;
  --colour-text: #f5f6ed;
  --colour-muted: #becdd2;
  --colour-accent: #8dcefa;
  --colour-ink: #132a35;
  --colour-hover: #ffffff;
  --colour-hover-ink: #102735;
  --colour-border: #47606c;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --text-body: 1.125rem;
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 5rem;
  --radius: .3rem;
  --content-width: 1200px;
}
:root[data-theme="light"] {
  color-scheme: light;
  --colour-background: #f4f7fa;
  --colour-surface: #e3edf4;
  --colour-text: #142e40;
  --colour-muted: #425b6c;
  --colour-accent: #075c91;
  --colour-ink: #ffffff;
  --colour-border: #8299aa;
  --colour-hover: #102735;
  --colour-hover-ink: #ffffff;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--colour-background); color: var(--colour-text); font: var(--text-body)/1.65 var(--font-body); }
a { color: inherit; text-underline-offset: .24em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--colour-accent); outline-offset: 5px; }
.container { width: min(var(--content-width), calc(100% - 6rem)); margin-inline: auto; }
.preview-banner { background: var(--colour-accent); color: var(--colour-ink); font-size: 1rem; padding-block: .55rem; }
.preview-banner .container { display: flex; flex-wrap: wrap; gap: .2rem 1.5rem; }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); padding-block: 1.6rem; border-bottom: 1px solid var(--colour-border); }
.theme-toggle { font: inherit; font-size: 1rem; font-weight: 600; min-height: 48px; padding: .5rem .9rem; border: 2px solid var(--colour-accent); border-radius: var(--radius); background: transparent; color: var(--colour-text); cursor: pointer; }
.theme-toggle:hover { background: var(--colour-hover); color: var(--colour-hover-ink); }
.theme-toggle[hidden] { display: none; }
.brand { display: inline-flex; align-items: center; gap: .8rem; font-size: 1.5rem; font-weight: 700; text-decoration: none; letter-spacing: -.04em; }
.brand-logo { display: block; width: 278px; max-width: 100%; height: auto; }
.brand-logo-light { display: none; }
:root[data-theme="light"] .brand-logo-dark { display: none; }
:root[data-theme="light"] .brand-logo-light { display: block; }
.footer-brand { display: inline-block; }
nav { display: flex; flex-wrap: wrap; gap: 1.75rem; }
nav a { display: inline-flex; align-items: center; min-height: 48px; text-decoration: none; }
nav a[aria-current] { color: var(--colour-accent); text-decoration: underline; }
nav a:hover { color: var(--colour-accent); text-decoration: underline; text-decoration-thickness: 3px; }
.hero { padding-block: 4.5rem 3rem; position: relative; overflow: hidden; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .8rem; line-height: 1.6; font-weight: 700; color: var(--colour-accent); margin: 0 0 1.2rem; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(2.65rem, 5.1vw, 4.6rem); font-weight: 550; letter-spacing: -.045em; line-height: 1.08; max-width: 920px; margin-bottom: 1.8rem; text-wrap: balance; }
h2 { font-size: clamp(1.9rem, 3vw, 2.65rem); line-height: 1.15; font-weight: 550; letter-spacing: -.035em; }
.hero-copy { max-width: 620px; font-size: 1.3rem; color: var(--colour-muted); margin-bottom: 2rem; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; padding: .75rem 1.25rem; background: var(--colour-accent); color: var(--colour-ink); border-radius: var(--radius); text-decoration: none; font-weight: 650; }
.button:hover { background: var(--colour-hover); color: var(--colour-hover-ink); outline: 2px solid var(--colour-accent); outline-offset: 3px; text-decoration: underline; text-decoration-thickness: 2px; }
.horizon { margin-top: 3.5rem; height: 40px; display: flex; align-items: end; gap: .65rem; }
.horizon span { display: block; height: 1px; background: var(--colour-border); flex: 1; }
.horizon span:nth-child(2) { background: var(--colour-accent); flex: .15; transform: rotate(-10deg); }
.foundation-section { background: var(--colour-surface); padding-block: var(--space-5); }
.foundation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.foundation-grid h2 { max-width: 400px; margin-bottom: 0; }
.foundation-grid p:last-child { margin-bottom: 0; }
.muted { color: var(--colour-muted); }
.airfields-section { padding-block: var(--space-6); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { color: var(--colour-muted); margin-bottom: 0; }
.airfield-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 3rem; list-style: none; padding: 0; margin: 0; }
.airfield-list li { padding-block: 1.25rem; border-top: 1px solid var(--colour-border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .25rem 1rem; }
.airfield-name { font-size: 1.2rem; font-weight: 600; }
.airfield-note { color: var(--colour-muted); font-size: 1rem; }
.site-footer { border-top: 1px solid var(--colour-border); padding-block: 2.5rem; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 4rem; }
.footer-brand { font-size: 1.35rem; font-weight: 700; text-decoration: none; }
.footer-grid p { color: var(--colour-muted); margin: .6rem 0; font-size: 1rem; }
.footer-grid > p:nth-child(2) { text-align: right; }
.footer-grid .disclaimer { grid-column: 1 / -1; max-width: 850px; }
.notice { padding-block: 5rem; min-height: 60vh; }
.notice p { max-width: 700px; }
.skip-link { position: absolute; left: 1rem; top: -100px; padding: .75rem; background: var(--colour-accent); color: var(--colour-ink); z-index: 10; }
.skip-link:focus { top: 1rem; }
@media (max-width: 800px) {
  .container { width: calc(100% - 3rem); }
  .foundation-grid { gap: 2rem; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 1.5rem; }
  .airfield-list { column-gap: 2rem; }
}
@media (max-width: 580px) {
  .container { width: calc(100% - 2rem); }
  .site-header { align-items: flex-start; flex-direction: column; gap: .5rem; padding-block: 1rem; }
  .brand { font-size: 1.4rem; }
  .hero { padding-top: 3rem; }
  .hero-copy { font-size: 1.125rem; }
  .eyebrow { font-size: .75rem; }
  .foundation-grid, .airfield-list, .footer-grid { grid-template-columns: 1fr; }
  .foundation-grid { gap: 1.5rem; }
  .airfields-section { padding-block: 3rem; }
  .footer-grid > p:nth-child(2) { text-align: left; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }

/* Phase 2 homepage components, shared by both colour modes. */
.hero { padding-block: 3.5rem 2rem; }
.hero h1 { max-width: 950px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 2rem; }
.text-link { display: inline-flex; align-items: center; min-height: 48px; gap: .75rem; font-weight: 650; color: var(--colour-accent); }
.demo-context { margin: 2rem 0; font-size: 1rem; color: var(--colour-muted); }
.freshness-grid { display: grid; grid-template-columns: 1fr 1fr; border-block: 1px solid var(--colour-border); }
.freshness-item { padding: 1.5rem 1.5rem 1.5rem 0; }
.freshness-item + .freshness-item { border-left: 1px solid var(--colour-border); padding-left: 2rem; }
.freshness-item .eyebrow { margin-bottom: .5rem; }
.freshness-item p { margin-bottom: .3rem; font-size: 1rem; }
.freshness-item .freshness-value { font-size: 1.4rem; line-height: 1.45; font-weight: 650; }
.sample-label { display: inline-block; font-size: .8rem; border: 1px solid var(--colour-border); border-radius: 4px; padding: .05rem .4rem; margin-left: .7rem; vertical-align: middle; font-weight: 400; }
.partner-zone { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.6rem 2rem; background: var(--colour-surface); border-radius: 10px; }
.partner-zone .eyebrow { margin-bottom: .4rem; }
.partner-zone h2 { font-size: 1.35rem; margin-bottom: .35rem; }
.partner-zone p { margin-bottom: 0; max-width: 720px; font-size: 1rem; }
.partner-zone > a { flex-shrink: 0; }
.content-section { padding-block: 4rem; }
.events-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.event-card { min-width: 0; padding: 1.5rem; border: 1px solid var(--colour-border); border-radius: 12px; background: var(--colour-surface); display: flex; flex-direction: column; }
.event-top { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; }
.event-top a { color: var(--colour-accent); font-weight: 650; min-height: 48px; display: flex; align-items: center; }
.event-status { font-size: .9rem; border: 1px solid var(--colour-border); border-radius: 30px; padding: .12rem .65rem; }
.event-card .event-time { font-size: clamp(1.5rem, 2.1vw, 1.9rem); font-weight: 650; letter-spacing: -.035em; margin: 1.2rem 0 .8rem; }
.event-date { display: block; font-size: 1rem; font-weight: 500; letter-spacing: 0; color: var(--colour-muted); }
h3 { font-size: 1.35rem; line-height: 1.3; margin: 0 0 1rem; letter-spacing: -.02em; }
.event-card > p:not(.event-time) { color: var(--colour-muted); }
.event-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin-top: auto; font-size: 1rem; }
.confidence { color: var(--colour-accent); font-weight: 700; }
.event-card details { margin-top: 1.25rem; padding-top: .5rem; border-top: 1px solid var(--colour-border); font-size: 1rem; }
summary { cursor: pointer; min-height: 48px; padding-block: .65rem; }
summary:focus-visible { outline: 3px solid var(--colour-accent); outline-offset: 3px; }
details p { margin-top: 1rem; }
.confidence-guide { margin-top: 1.5rem; max-width: 900px; }
.is-cancelled { border-top: 4px solid var(--colour-accent); }
.empty-state { padding: 2rem; background: var(--colour-surface); border-radius: 12px; }
.empty-state p { margin-bottom: 0; }
.coming-section { background: var(--colour-surface); }
.coming-section .event-card { background: var(--colour-background); }
.base-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1.2rem; margin: 0; padding: 0; list-style: none; }
.base-grid li { min-width: 0; }
.base-grid > li { display: flex; flex-direction: column; gap: .7rem; }
.base-grid > li > .base-card { height: auto; flex: 1; }
.favourite-toggle { min-height: 48px; padding: .6rem .85rem; font: inherit; font-size: 1rem; font-weight: 600; border: 1px solid var(--colour-accent); border-radius: 8px; color: var(--colour-accent); background: var(--colour-background); cursor: pointer; }
.favourite-toggle:hover { color: var(--colour-hover-ink); background: var(--colour-hover); }
.favourite-toggle[aria-pressed="true"] { border-width: 2px; }
.favourite-toggle[hidden], .your-airfields[hidden], .favourites-help[hidden] { display: none; }
.favourites-help { color: var(--colour-muted); font-size: .95rem; margin-top: .75rem; }
.airfield-favourite { margin-top: 1.5rem; }
.favourites-status { font-size: 1rem; color: var(--colour-accent); }
.favourites-status:empty { margin: 0; }
.your-airfields { padding-block: 1rem 2.5rem; }
.favourite-shortcuts { display: flex; flex-wrap: wrap; gap: .75rem; list-style: none; padding: 0; }
.favourite-shortcuts a { display: inline-flex; align-items: center; min-height: 48px; padding: .65rem 1rem; border: 1px solid var(--colour-accent); border-radius: 8px; font-weight: 650; text-decoration: none; }
.favourite-shortcuts a:hover { background: var(--colour-hover); color: var(--colour-hover-ink); }
.base-card { display: flex; flex-direction: column; height: 100%; padding: 1.5rem; text-decoration: none; background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: 12px; }
.base-card:hover { border-color: var(--colour-accent); outline: 2px solid var(--colour-accent); outline-offset: 2px; }
.base-card:hover .base-action { text-decoration: underline; }
.base-code { color: var(--colour-muted); font-size: .9rem; letter-spacing: .15em; margin-bottom: 2rem; }
.base-card h3 { font-size: 1.4rem; }
.base-card p { color: var(--colour-muted); font-size: 1rem; }
.base-action { display: flex; align-items: center; justify-content: space-between; gap: .5rem; color: var(--colour-accent); font-weight: 650; margin-top: auto; }
.base-note { display: block; font-size: .85rem; margin-top: .5rem; color: var(--colour-muted); }
.alerts-section { display: grid; grid-template-columns: 1.5fr 1fr; align-items: center; gap: 3rem; border-block: 1px solid var(--colour-border); padding-block: 3rem; }
.alerts-section p { max-width: 620px; }
.alerts-action p { font-size: 1rem; margin: 1rem 0 0; color: var(--colour-muted); }
.bottom-partner { margin-block: 3rem; }
.plans-note { color: var(--colour-muted); font-size: 1rem; margin-bottom: 3rem; }
:root[data-theme="light"] .event-card, :root[data-theme="light"] .base-card { background: #fff; }
@media(max-width:1100px) { .base-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .events-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .partner-zone { align-items: flex-start; flex-direction: column; gap: .75rem; } }
@media(max-width:650px) { .freshness-grid, .events-grid, .alerts-section { grid-template-columns: 1fr; } .freshness-item + .freshness-item { border-left: 0; border-top: 1px solid var(--colour-border); padding-left: 0; } .base-grid { grid-template-columns: 1fr; } .content-section { padding-block: 3rem; } .alerts-section { gap: 1rem; } .partner-zone { padding: 1.5rem; } .section-heading { display: block; } .section-heading > p { margin-top: 1.2rem; } .hero h1 { font-size: 2.65rem; } .event-card { padding: 1.25rem; } }

/* Phase 2 imagery review: dimensions reserve space before assets load. */
.hero-visual-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center; }
.hero-words { min-width: 0; }
.hero-visual-grid h1 { font-size: clamp(2.65rem, 4.2vw, 3.7rem); }
.hero-visual-grid .hero-copy { font-size: 1.2rem; }
.hero-figure { margin: 0; min-width: 0; }
.hero-figure picture { display: block; border-radius: 14px; overflow: hidden; background: var(--colour-surface); }
.hero-figure img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.hero-figure figcaption { font-size: .85rem; line-height: 1.5; margin-top: .6rem; color: var(--colour-muted); }
.partner-zone.partner-imagery { display: block; background: #243d59; padding: 1.5rem; border: 1px solid #7795b5; border-top: 5px solid #8dcefa; border-radius: 12px; }
:root[data-theme="light"] .partner-zone.partner-imagery { background: #d3e2f3; border-color: #7495b8; border-top-color: #075c91; }
.partner-label { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; margin-bottom: .7rem; }
.partner-label .eyebrow { margin: 0; }
.partner-label span { font-size: .9rem; color: var(--colour-muted); }
.partner-art { display: block; border-radius: 10px; overflow: hidden; }
.partner-art img { display: block; width: 100%; height: auto; aspect-ratio: 5 / 1; }
.partner-description { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; margin-top: .65rem; }
.partner-description p { margin: 0; }
.base-image { display: block; width: calc(100% + 3rem); max-width: none; height: auto; aspect-ratio: 16 / 10; object-fit: cover; margin: 0 -1.5rem 1rem; border-radius: 0; }
.image-note { display: block; color: var(--colour-muted); font-size: .8rem; margin-block: .65rem 1rem; }
.base-code { margin-bottom: .8rem; }
@media(max-width:900px) { .hero-visual-grid { grid-template-columns: 1fr; gap: 1.75rem; } .hero-figure img { max-height: 340px; } }
@media(max-width:650px) { .partner-art img { aspect-ratio: 3 / 1; } .partner-description { display: block; } .hero-figure img { max-height: none; } .hero-visual-grid h1 { font-size: 2.65rem; } }

/* Phase 3: reusable airfield layout, released for Coningsby review first. */
.airfield-tools { padding-top: 1.5rem; }
.airfield-switcher { border: 1px solid var(--colour-border); border-radius: 8px; margin-top: .5rem; }
.airfield-switcher > summary { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; list-style: none; padding: 1rem 1.4rem; font-weight: 650; color: var(--colour-accent); min-height: 64px; }
.airfield-switcher > summary::-webkit-details-marker { display: none; }
.switcher-chevron { flex: 0 0 16px; width: 16px; height: 16px; border-right: 3px solid currentColor; border-bottom: 3px solid currentColor; transform: translateY(-4px) rotate(45deg); }
.airfield-switcher[open] .switcher-chevron { transform: translateY(4px) rotate(225deg); }
.airfield-switcher > summary:hover { background: var(--colour-surface); border-radius: 8px; }
.airfield-switcher nav { display: block; padding: 0 1.2rem 1rem; }
.airfield-switcher ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .5rem; }
.airfield-switcher a { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: .75rem; min-height: 72px; border: 1px solid var(--colour-border); border-radius: 4px; }
.airfield-switcher a span { display: block; color: var(--colour-muted); font-size: .85rem; font-weight: 400; }
.airfield-hero { padding-top: 2.5rem; }
.airfield-hero .hero-figure img { border-radius: 14px; }
.airfield-hero h1 { font-size: clamp(2.8rem,5vw,4.8rem); }
.airfield-activity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding-block: 4rem; }
.airfield-event-stack { display: grid; gap: 1rem; }
.conditions-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.5rem; }
.condition-card { padding: 1.5rem; background: var(--colour-background); border: 1px solid var(--colour-border); border-radius: 12px; }
.condition-card p:last-child { margin: 0; }
.conditions-note { margin: 1.5rem 0 0; color: var(--colour-muted); }
.photography-section { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding-block: 3rem; border-bottom: 1px solid var(--colour-border); }
.photo-rating { font-size: 2rem; font-weight: 650; margin-bottom: .75rem; color: var(--colour-accent); }
.about-airfield { display: grid; grid-template-columns: 1.3fr 1fr; gap: 3rem; }
.aircraft-summary { border-left: 3px solid var(--colour-accent); padding-left: 1.5rem; }
@media(max-width:900px) { .airfield-switcher ul { grid-template-columns: repeat(2,minmax(0,1fr)); } .conditions-grid { grid-template-columns: 1fr; } }
@media(max-width:650px) { .airfield-activity-grid, .photography-section, .about-airfield { grid-template-columns: 1fr; gap: 2rem; } .airfield-switcher ul { grid-template-columns: 1fr; } .airfield-activity-grid { padding-block: 3rem; } }

/* Review refinements: compact mobile header and a scroll-dependent return link. */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.back-to-top { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 20; display: flex; align-items: center; justify-content: center; gap: .4rem; min-width: 64px; min-height: 52px; padding: .5rem .8rem; border: 2px solid var(--colour-background); border-radius: 30px; background: var(--colour-accent); color: var(--colour-ink); box-shadow: 0 3px 16px #0005; font-size: .95rem; font-weight: 700; text-decoration: none; }
.back-to-top > span:first-child { font-size: 1.5rem; line-height: 1; }
.back-to-top:hover { background: var(--colour-hover); color: var(--colour-hover-ink); }
.back-to-top[hidden] { display: none; }
.weather-preview { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; padding: 1rem; margin-bottom: 2rem; border: 1px dashed var(--colour-border); border-radius: 8px; }
.weather-preview label { font-size: 1rem; font-weight: 650; }
.national-filter { border-style: solid; }
.national-day + .national-day { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--colour-border); }
.weather-preview select { min-height: 48px; max-width: 100%; font: inherit; font-size: 1rem; color: var(--colour-text); background: var(--colour-background); padding: .5rem; border: 1px solid var(--colour-border); border-radius: 4px; }
.weather-preview button { font: inherit; font-size: 1rem; cursor: pointer; border: 0; }
.weather-preview p { flex-basis: 100%; margin: 0; color: var(--colour-muted); font-size: .9rem; }
.weather-preview select:focus-visible { outline: 3px solid var(--colour-accent); outline-offset: 3px; }
.weather-details { margin-top: 2rem; border-top: 1px solid var(--colour-border); padding-top: .5rem; }
.weather-details summary { color: var(--colour-accent); font-weight: 650; }
.weather-facts { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,240px),1fr)); gap: 1.2rem; }
.weather-facts dt { font-weight: 650; }
.weather-facts dd { margin: .3rem 0 0; color: var(--colour-muted); }
.weather-raw { white-space: pre-wrap; overflow-wrap: anywhere; padding: 1rem; background: var(--colour-background); border: 1px solid var(--colour-border); border-radius: 6px; font-size: 1rem; }
.site-footer { padding-bottom: 6rem; }
@media(max-width:800px) {
  .site-header { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: .6rem; }
  .site-header .brand { grid-column: 1; grid-row: 1; }
  .site-header .theme-toggle { grid-column: 2; grid-row: 1; justify-self: end; }
  .site-header nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; gap: .5rem; }
}
@media(max-width:400px) {
  .site-header .brand { font-size: 1.15rem; gap: .4rem; }
  .site-header .brand-logo { width: 180px; }
  .theme-toggle { font-size: .85rem; padding-inline: .5rem; }
  .site-header nav { font-size: 1rem; }
  .partner-zone.partner-imagery { padding: 1rem; }
}
/* Install help stays available without JavaScript or a native install prompt. */
[hidden] { display: none !important; }
.install-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding-block: 3rem; border-top: 1px solid var(--colour-border); }
.install-panel h2 { font-size: 2rem; }
.install-button { font: inherit; font-weight: 650; border: 0; cursor: pointer; }
.install-guide summary { color: var(--colour-accent); min-height: 48px; padding-block: .5rem; cursor: pointer; font-weight: 650; }
.install-guide li { margin-block: 1rem; padding-left: .3rem; }
.install-guide h3 { margin-top: 1.5rem; }
.connection-status { padding: 1rem; border: 2px solid var(--colour-accent); background: var(--colour-surface); font-weight: 650; }
@media(max-width:650px) { .install-panel { grid-template-columns: 1fr; gap: 1rem; } }
.alerts-page { max-width: 1000px; }
.alert-preview-note { padding: 1rem 1.4rem; background: var(--colour-surface); border-left: 4px solid var(--colour-accent); }
.alerts-page fieldset { border: 1px solid var(--colour-border); border-radius: 8px; padding: 1.5rem; margin-block: 2rem; }
.alerts-page legend { font-size: 1.4rem; font-weight: 650; padding: 0 .5rem; }
.alert-options { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin-top: 1rem; }
.alert-options label, .alert-choice { display: flex; align-items: center; gap: .8rem; min-height: 52px; padding: .75rem; background: var(--colour-surface); cursor: pointer; border-radius: 5px; }
.alert-choice { margin-block: .7rem; }
.alerts-page input { width: 23px; height: 23px; flex-shrink: 0; accent-color: var(--colour-accent); }
.alerts-page input:focus-visible, .alerts-page select:focus-visible { outline: 3px solid var(--colour-accent); outline-offset: 4px; }
.alert-controls { display: flex; flex-wrap: wrap; gap: 1rem; }
.alerts-page button { font: inherit; font-weight: 650; cursor: pointer; }
.alerts-page button:disabled { opacity: .6; cursor: default; }
.alerts-page .button { border: 0; }
#alert-test { margin-block: 3rem; }
#alert-scenario { display: block; width: 100%; min-height: 52px; font: inherit; background: var(--colour-surface); color: var(--colour-text); padding: .65rem; margin: .5rem 0 1rem; border: 1px solid var(--colour-border); }
.alert-result:not(:empty) { padding: 1.5rem; margin-block: 1.5rem; border: 2px solid var(--colour-accent); border-radius: 8px; background: var(--colour-surface); }
@media(max-width:650px) { .alert-options { grid-template-columns: 1fr; } .alerts-page fieldset { padding: 1rem; } }
.ad-admin { max-width: 1000px; }
.ad-admin form { margin-block: 2rem 3rem; padding: 1.5rem; background: var(--colour-surface); border-radius: 8px; }
.ad-admin form > label:not(.alert-choice) { display: block; margin-bottom: 1rem; font-weight: 650; }
.ad-admin input:not([type=checkbox]):not([type=hidden]), .ad-admin select { display: block; width: 100%; min-height: 52px; padding: .65rem; font: inherit; background: var(--colour-background); color: var(--colour-text); border: 1px solid var(--colour-border); border-radius: 4px; }
.ad-admin input:focus-visible, .ad-admin select:focus-visible { outline: 3px solid var(--colour-accent); outline-offset: 3px; }
.ad-admin .event-card { margin-block: 1.5rem; }
.ad-admin img { max-width: 100%; height: auto; }
.ad-admin button { font: inherit; cursor: pointer; border: 0; }
.info-hero { padding-block: 3.5rem 2rem; }
.info-navigation { gap: .5rem 1.5rem; padding-block: 1rem; border-top: 1px solid var(--colour-border); }
.info-content { max-width: 960px; padding-block: 2rem 3rem; }
.info-content section { margin-bottom: 2.5rem; }
.info-content p, .info-content li, .info-content dd { max-width: 760px; }
.info-content li { margin-block: .65rem; }
.info-content h2 { font-size: clamp(1.65rem,3vw,2.2rem); }
.info-callout { background: var(--colour-surface); border-left: 4px solid var(--colour-accent); padding: 1.5rem; border-radius: 5px; }
.info-callout p:last-child { margin-bottom: 0; }
.info-definitions dt { color: var(--colour-accent); font-weight: 700; margin-top: 1.2rem; }
.info-definitions dd { margin: .4rem 0 1rem; }
.info-card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.footer-links { grid-column: 1 / -1; }
@media(max-width:650px) { .info-card-grid { grid-template-columns: 1fr; gap: 0; } .info-hero { padding-top: 2.5rem; } }
.owner-session{display:flex;align-items:center;flex-wrap:wrap;gap:16px;padding-block:16px;}

/* Owner page review: consistent refresh status, compact sections and clear locations. */
.content-section { padding-block: 2.5rem; }
.notice-section { margin-block: 1.75rem; }
.notice-section:first-child { margin-top: 0; }
.freshness-strip { width:100%; margin-top:2rem; padding:1.25rem 1.5rem; border:1px solid var(--colour-border); border-left:5px solid #8bd3fa; border-radius:.5rem; background:var(--colour-surface); }
.freshness-strip h2 { margin:0 0 .65rem; font-size:1.1rem; }
.freshness-strip--warning { border-color:#ff8585; }
.freshness-strip--critical { border-width:2px; border-left-width:8px; }
.freshness-strip--critical h2 { font-size:1.25rem; }
.freshness-strip--critical .freshness-note { font-weight:700; }
:root[data-theme="light"] .freshness-strip--warning { border-color:#b42332; }
.freshness-strip .freshness-note { margin:-.25rem 0 .75rem; font-size:1rem; line-height:1.4; }
.freshness-strip .freshness-credit { margin:.75rem 0 0; font-size:.85rem; line-height:1.4; color:var(--colour-muted); }
.freshness-strip dl { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.4rem 2rem; margin:0; }
.freshness-strip dt { font-size:.9rem; }
.freshness-strip dd { margin:.15rem 0 0; font-size:1rem; font-weight:700; }
.notice-card { display:flex; flex-direction:column; overflow:hidden; }
.notice-card-base { margin:-1.5rem -1.5rem 1.25rem; padding:1rem 1.5rem; background:#8bd3fa; color:#102735; font-size:1.2rem; font-weight:800; }
.notice-card h4 { margin-block:.5rem; }
.notice-card-links { margin-top:auto; display:flex; flex-wrap:wrap; gap:.75rem 1.5rem; padding-top:1rem; }
.notice-card-links p { margin:0; }
.base-card h3 { margin:0 0 1rem; }
.weather-details { margin-top:1.25rem; }
.weather-details summary { width:fit-content; padding:.5rem .75rem; border-radius:.35rem; }
.conditions-note { margin-bottom:.75rem; }
.weather-attribution { border-top:1px solid var(--colour-border); padding-top:.75rem; font-size:.9rem; }
.travel-disclaimer { background:#a51d27; color:#fff; padding:1rem 0; border-bottom:3px solid #73121a; text-align:center; }
.travel-disclaimer h2 { margin:0 0 .35rem; font-size:1.3rem; color:inherit; }
.travel-disclaimer p { margin:0 auto; max-width:78ch; font-size:1rem; line-height:1.5; }
.advert-master-switch { display:inline-flex; align-items:center; gap:.75rem; padding:.65rem .9rem; font:inherit; font-weight:700; color:var(--colour-text); border:2px solid var(--colour-border); border-radius:.5rem; background:var(--colour-background); cursor:pointer; }
.advert-switch-track { display:block; width:3rem; height:1.6rem; border:2px solid var(--colour-muted); border-radius:2rem; background:var(--colour-surface); }
.advert-switch-track::after { content:""; display:block; width:1.1rem; height:1.1rem; margin:.125rem; border-radius:50%; background:var(--colour-text); }
.advert-master-switch[aria-checked="true"] .advert-switch-track { background:var(--colour-accent); border-color:var(--colour-accent); }
.advert-master-switch[aria-checked="true"] .advert-switch-track::after { transform:translateX(1.35rem); background:var(--colour-ink); }
.contact-details { display:flex; flex-wrap:wrap; gap:1rem 3rem; }
.contact-details dt { font-weight:700; }
.contact-details dd { margin:.25rem 0 0; overflow-wrap:anywhere; }
@media(max-width:650px) { .content-section { padding-block:1.75rem; } .freshness-strip { padding:.875rem; } .freshness-strip dl { grid-template-columns:1fr; } .freshness-strip dl > div { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:baseline; gap:0 .5rem; } .freshness-strip dd { margin:0; font-size:.95rem; } }

@media(max-width:650px) { .event-card.notice-card { padding:1.5rem; } }

.airfield-section-bar { padding:1rem 1.25rem; border-radius:.5rem; background:#8bd3fa; color:#102735; font-size:1.2rem; line-height:1.4; margin-block:1.5rem 1rem; }
.all-notices-disclosure > summary { cursor:pointer; font-weight:750; }
.all-notices-disclosure > summary small { display:block; margin:.4rem 0 0; font-size:.9rem; font-weight:400; }
.notices-open-label, .all-notices-disclosure[open] > summary .notices-closed-label { display:none; }
.all-notices-disclosure[open] > summary .notices-open-label { display:inline; }
.all-notices-content { padding:0 1.25rem 1rem; border:1px solid var(--colour-border); border-top:0; border-radius:0 0 .5rem .5rem; }
.all-notices-disclosure[open] > summary { margin-bottom:0; border-radius:.5rem .5rem 0 0; }
.notice-disclosure > summary { border-radius:.35rem; padding-inline:.75rem; overflow-wrap:anywhere; }
.notice-disclosure > summary::marker { color:var(--colour-accent); }
.notice-disclosure[open] > summary { background:var(--colour-surface); }
.notice-expanded-content { margin:.75rem 0 0 .75rem; padding:1rem 1.25rem; border-left:4px solid var(--colour-accent); border-radius:0 .4rem .4rem 0; background:#244b5e; overflow-wrap:anywhere; }
:root[data-theme="light"] .notice-expanded-content { background:#ffffff; }
.notice-expanded-content > :first-child { margin-top:0; }
.notice-expanded-content > :last-child { margin-bottom:0; }
body[data-page="airfield"] #conditions .section-heading { padding:1rem 1.25rem; background:#8bd3fa; color:#102735; border-radius:.5rem; }
body[data-page="airfield"] #conditions .section-heading .eyebrow, body[data-page="airfield"] #conditions .section-heading > p { color:#102735; }
body[data-page="airfield"] #today { padding-bottom:1.5rem; }
body[data-page="airfield"] #today > .all-notices-disclosure { margin-bottom:0; }
body[data-page="airfield"] #conditions > .content-section { padding-top:1.5rem; }

/* Real push controls */
.alert-actions { display:flex; flex-wrap:wrap; gap:1rem; margin-block:1.5rem; }
.alert-actions .button { white-space:normal; }
#alert-save-status { border-left:4px solid var(--colour-accent); padding:1rem; background:var(--colour-surface); }

.notice-times{font-size:clamp(.9rem,1.4vw,1rem);line-height:1.65;padding-left:1.25em}.notice-times li{margin-block:.3em}

.airfield-favourite .favourite-toggle{width:100%}.airfield-favourite .favourites-help{font-size:.9rem;margin-top:.6rem}
.alert-state{padding:1rem;border-left:5px solid var(--colour-accent,#8dcefa);background:var(--colour-surface);font-weight:700}.alerts-page .alert-actions{margin-bottom:1.5rem}.alerts-page #alert-troubleshooting{margin-top:1.5rem}

/* DigitalEmber campaign: supplied wordmark, brand navy and ember orange. */
.ember-ad{position:relative;display:grid;grid-template-columns:1.2fr 1fr;overflow:hidden;background:#121b39;color:#fff;border-radius:12px;margin-block:2.5rem;isolation:isolate;border:1px solid #34405f}
.ember-copy{padding:26px 38px 34px;position:relative;z-index:2}.ember-logo{display:block;width:300px;max-width:100%;height:90px;object-fit:cover;object-position:center;margin:0 0 12px -20px}
.ember-ad h2{color:#fff;font-size:clamp(2rem,3.8vw,3.3rem);font-weight:800;letter-spacing:-.045em;line-height:1.07;margin:0 0 18px}.ember-ad h2 span{color:#ff6848}.ember-copy>p{font-size:1rem;color:#d8deed;line-height:1.6;margin:0 0 24px}
.ember-action{display:flex;flex-wrap:wrap;align-items:center;gap:14px}.ember-action a{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;padding:13px 20px;border-radius:5px;background:#fff;color:#121b39;font-size:1rem;font-weight:750;text-decoration:none;min-height:48px}.ember-action a:hover{background:#ff6848;color:#121b39}.ember-action a:focus-visible{outline:3px solid #ff6848;outline-offset:4px}.ember-action>span{font-size:.8rem;color:#bcc6df}
.ember-portrait{position:relative;min-width:0;overflow:hidden}.ember-portrait>img{width:100%;height:100%;object-fit:cover;object-position:100% center;position:absolute;inset:0}.ember-portrait:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#121b39,transparent 30%),linear-gradient(0deg,rgba(18,27,57,.95),transparent 48%)}
.ember-caption{position:absolute;bottom:32px;right:30px;z-index:1;color:#fff;font-size:.85rem;line-height:1.5;text-align:right}.ember-caption strong{font-size:1rem}.ember-disclosure{position:absolute;top:14px;right:16px;z-index:3;background:#121b39df;color:#fff;font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;padding:4px 8px;border-radius:3px}
@media(max-width:650px){.ember-ad{grid-template-columns:1fr;margin-block:1.5rem}.ember-copy{padding:22px 24px 26px}.ember-logo{width:260px;height:77px;margin:0 0 10px -17px}.ember-ad h2{font-size:2.35rem}.ember-copy>p{font-size:.9rem;margin-bottom:20px}.ember-action{gap:12px}.ember-action>span{font-size:.75rem}.ember-portrait{height:180px}.ember-portrait>img{object-position:center 43%}.ember-portrait:after{background:linear-gradient(180deg,#121b39,transparent 35%),linear-gradient(0deg,rgba(18,27,57,.65),transparent 65%)}.ember-caption{right:18px;bottom:16px}.ember-disclosure{top:9px;right:10px;font-size:.5rem}}


.table-scroll{overflow-x:auto}.advert-overview{margin-block:2rem;padding:1.5rem;background:var(--colour-surface);border:1px solid var(--colour-border);border-radius:10px}.advert-overview table{width:100%;border-collapse:collapse;font-size:.95rem;text-align:left}.advert-overview th,.advert-overview td{padding:.8rem;border-bottom:1px solid var(--colour-border);vertical-align:top}

.analytics-choice{position:fixed;bottom:16px;left:16px;right:16px;width:auto;max-width:760px;z-index:100;background:var(--colour-surface);color:var(--colour-text);border:2px solid #8bd3fa;padding:1.2rem;box-shadow:0 5px 30px #0008;border-radius:8px;margin:auto;max-height:80vh;overflow:auto}.analytics-choice[hidden]{display:none}.analytics-choice h2{font-size:1.2rem;margin:0}.analytics-choice p{font-size:.9rem}.analytics-choice>div{display:flex;gap:1rem;flex-wrap:wrap}#analytics-settings{font:inherit;color:inherit;background:none;border:0;text-decoration:underline;cursor:pointer}

.key-notice-star { color:var(--colour-accent); font-weight:800; }

.travel-disclaimer[hidden], .travel-notice-close[hidden] { display:none; }
.travel-notice-content { display:flex; align-items:flex-start; gap:.75rem; }
.travel-notice-content > div { flex:1; min-width:0; }
.travel-notice-close { flex:0 0 44px; width:44px; height:44px; padding:0; border:1px solid #ffffffa0; border-radius:.35rem; background:transparent; color:#fff; font-size:1.7rem; cursor:pointer; }
.travel-notice-close:hover { background:#ffffff20; }
.travel-notice-close:focus-visible { outline:3px solid #fff; outline-offset:3px; }