/* Sentinel Transport — palette from UK primary-route signs. */
@font-face { font-family: "Atkinson Hyperlegible"; src: url("/assets/fonts/atkinson-hyperlegible-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Atkinson Hyperlegible"; src: url("/assets/fonts/atkinson-hyperlegible-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Atkinson Hyperlegible"; src: url("/assets/fonts/atkinson-hyperlegible-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }

:root {
  --route: #0E4D3B;        /* primary-route sign green */
  --route-deep: #0A3A2C;
  --sign: #F4C21A;         /* route-number yellow */
  --kerb: #F6F7F4;         /* page background */
  --white: #FFFFFF;
  --ink: #15211C;          /* text */
  --verge: #5C6B64;        /* secondary text */
  --line: #D5DBD7;         /* rules and borders */
  --tint: #E7EEEA;         /* quiet green fill */
  --error: #A3261B;
  --focus: #F4C21A;

  --font: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --step--1: 0.9rem;
  --step-0: 1.125rem;
  --step-1: 1.35rem;
  --step-2: 1.75rem;
  --step-3: clamp(1.9rem, 3.2vw, 2.4rem);
  --step-4: clamp(2.3rem, 5.2vw, 3.6rem);

  --measure: 64ch;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --space: clamp(3.5rem, 8vw, 6rem);
  --radius-sign: 14px;
  --radius-control: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 6rem; }
body {
  margin: 0;
  background: var(--kerb);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--route); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; box-shadow: 0 0 0 6px var(--ink); border-radius: 2px; }

h1, h2, h3 { line-height: 1.15; margin: 0 0 0.6em; font-weight: 700; letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: var(--step-4); letter-spacing: -0.02em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); line-height: 1.3; }
p { margin: 0 0 1em; max-width: var(--measure); }
.lede { font-size: var(--step-1); line-height: 1.5; color: var(--ink); }
.muted { color: var(--verge); }
.small { font-size: var(--step--1); }

.wrap { width: 100%; max-width: 72rem; margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--space); }
.section + .section { padding-top: 0; }
.section.section-tint { background: var(--tint); padding-top: var(--space); }
.section-tint + .section { padding-top: var(--space); }
.section + .section-tint { margin-top: 0; }

.skip { position: absolute; left: -999px; top: 0.5rem; background: var(--sign); color: var(--ink); padding: 0.6rem 1rem; z-index: 20; font-weight: 700; }
.skip:focus { left: 0.5rem; }

/* Header */
.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.header-row { display: flex; align-items: center; gap: 1.5rem; min-height: 4.5rem; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.25rem; letter-spacing: -0.01em; margin-right: auto; }
.brand-mark { width: 2.5rem; height: 2.5rem; flex: none; }
.site-nav { display: flex; align-items: center; gap: 0.25rem 1.4rem; flex-wrap: wrap; }
.site-nav a { color: var(--ink); text-decoration: none; padding: 0.4rem 0; font-size: 1.02rem; }
.site-nav a:hover { text-decoration: underline; }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--sign); }
.site-nav .nav-cta { background: var(--route); color: var(--white); padding: 0.55rem 1rem; border-radius: var(--radius-control); font-weight: 700; }
.site-nav .nav-cta:hover { background: var(--route-deep); text-decoration: none; }
.site-nav .nav-cta[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--sign); }
.nav-toggle { display: none; }

.notice { margin: 0; background: var(--route); color: var(--white); font-size: var(--step--1); padding-block: 0.55rem; max-width: none; }
.notice .wrap { display: block; }
.notice .wrap::before { content: ""; display: inline-block; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--sign); margin-right: 0.6rem; vertical-align: 0.05em; }

@media (max-width: 52rem) {
  .js .nav-toggle {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font: inherit; font-weight: 700; color: var(--ink); background: none;
    border: 2px solid var(--ink); border-radius: var(--radius-control); padding: 0.35rem 0.85rem; cursor: pointer;
  }
  .js .site-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-bottom: 1rem; }
  .js .site-nav.open { display: flex; }
  .site-nav a { padding: 0.75rem 0; border-top: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 0.75rem; text-align: center; border-top: 0; }
  .site-nav a[aria-current="page"] { box-shadow: inset 4px 0 0 var(--sign); padding-left: 0.75rem; }
}

/* Buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font: inherit; font-weight: 700; font-size: 1.05rem; line-height: 1.2;
  background: var(--route); color: var(--white); border: 2px solid var(--route);
  padding: 0.85rem 1.4rem; border-radius: var(--radius-control); text-decoration: none; cursor: pointer;
}
.button:hover { background: var(--route-deep); border-color: var(--route-deep); }
.button-secondary { background: transparent; color: var(--route); }
.button-secondary:hover { background: var(--tint); color: var(--route-deep); }
.button-sign { background: var(--sign); border-color: var(--sign); color: var(--ink); }
.button-sign:hover { background: #E2B10F; border-color: #E2B10F; }
.button-ghost-light { background: transparent; border-color: var(--white); color: var(--white); }
.button-ghost-light:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--white); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }
.link-button { font: inherit; background: none; border: 0; padding: 0; color: inherit; text-decoration: underline; cursor: pointer; text-align: left; }

/* Hero: a road sign */
.hero { padding-block: clamp(1.5rem, 4vw, 2.5rem) 0; }
.sign {
  position: relative; background: var(--route); color: var(--white);
  border-radius: var(--radius-sign); padding: clamp(2rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 4rem) clamp(2rem, 5vw, 3.5rem);
}
.sign::before {
  content: ""; position: absolute; inset: 8px; border: 2.5px solid var(--white);
  border-radius: calc(var(--radius-sign) - 5px); pointer-events: none;
}
.sign h1 { max-width: 18ch; color: var(--white); }
.sign .lede { color: #E3EEE8; max-width: 52ch; }
.sign a:not(.button) { color: var(--white); }
.sign .actions { position: relative; z-index: 1; }

/* The route line: a real sequence, home → journey → school.
   The yellow line is the list's own background so it always paints. */
.route {
  list-style: none; margin: clamp(2.5rem, 6vw, 4rem) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background-image: linear-gradient(var(--sign), var(--sign));
  background-repeat: no-repeat;
  background-position: 0.9rem 0.9rem;
  background-size: calc(200% / 3) 6px;
  background-position-y: calc(0.9rem - 3px);
}
.route li { position: relative; padding-top: 2.75rem; padding-right: 1.5rem; }
.route li::before {
  content: ""; position: absolute; top: 0; left: 0; width: 1.8rem; height: 1.8rem; border-radius: 50%;
  background: var(--route); border: 5px solid var(--white); box-shadow: 0 0 0 3px var(--sign);
}
.route li:last-child::before { background: var(--sign); }
.route strong { display: block; font-size: var(--step-1); line-height: 1.25; margin-bottom: 0.3rem; }
.route span { display: block; color: #CFE1D8; font-size: 1rem; max-width: 26ch; }
@media (prefers-reduced-motion: no-preference) {
  .js .route { animation: draw-route 1.4s cubic-bezier(.65,0,.35,1) 0.25s both; }
  .js .route li::before { animation: stop-in 0.35s ease-out both; }
  .js .route li:nth-child(1)::before { animation-delay: 0.2s; }
  .js .route li:nth-child(2)::before { animation-delay: 0.85s; }
  .js .route li:nth-child(3)::before { animation-delay: 1.5s; }
}
@keyframes draw-route { from { background-size: 0 6px; } to { background-size: calc(200% / 3) 6px; } }
@keyframes stop-in { from { transform: scale(0.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@media (max-width: 44rem) {
  .route { grid-template-columns: 1fr; gap: 1.6rem; background: none; animation: none !important; }
  .route li { padding: 0 0 0 3.25rem; }
  /* On phones each stop draws its own segment down to the next stop */
  .route li:not(:last-child)::after {
    content: ""; position: absolute; left: calc(0.9rem - 3px); top: 0.9rem; width: 6px;
    height: calc(100% + 1.6rem); background: var(--sign); z-index: -1; transform-origin: center top;
  }
  .route li { z-index: 0; }
  @media (prefers-reduced-motion: no-preference) {
    .js .route li:not(:last-child)::after { animation: grow-down 0.6s ease-in-out both; }
    .js .route li:nth-child(1)::after { animation-delay: 0.35s; }
    .js .route li:nth-child(2)::after { animation-delay: 1s; }
  }
}
@keyframes grow-down { from { transform: scaleY(0); } to { transform: scaleY(1); } }

/* Page intro (inner pages) */
.page-intro { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--line); background: var(--white); }
.page-intro h1 { max-width: 20ch; }
.page-intro .lede { max-width: 56ch; color: var(--verge); }
.crumb { font-size: var(--step--1); margin: 0 0 1rem; color: var(--verge); }
.crumb a { color: var(--verge); }

/* Two services, split by a rule — not cards */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.split > * { padding-block: 0.5rem; }
.split > :first-child { padding-right: clamp(1.5rem, 4vw, 3.5rem); }
.split > :last-child { padding-left: clamp(1.5rem, 4vw, 3.5rem); border-left: 1px solid var(--line); }
.split h2 { font-size: var(--step-2); }
.split .who { color: var(--verge); margin-bottom: 1.25rem; }
@media (max-width: 48rem) {
  .split { grid-template-columns: 1fr; }
  .split > :first-child { padding: 0 0 2.5rem; }
  .split > :last-child { padding: 2.5rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
}

/* Plain list with green ticks drawn as route stops */
.stops { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.stops li { position: relative; padding-left: 1.9rem; margin-bottom: 0.55rem; max-width: var(--measure); }
.stops li::before { content: ""; position: absolute; left: 0.2rem; top: 0.5em; width: 0.7rem; height: 0.7rem; border-radius: 50%; border: 3px solid var(--route); background: var(--white); }

/* Section head */
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head p { color: var(--verge); }

/* Checks: definition-list table */
.checks { margin: 0; border-top: 2px solid var(--ink); }
.checks > div { display: grid; grid-template-columns: minmax(12rem, 18rem) 1fr; gap: 0.5rem 2.5rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.checks dt { font-weight: 700; font-size: var(--step-1); line-height: 1.3; }
.checks dd { margin: 0; max-width: var(--measure); }
.checks dd p:last-child { margin-bottom: 0; }
.status { display: inline-block; font-size: var(--step--1); font-weight: 700; padding: 0.1rem 0.55rem; border-radius: 4px; margin-bottom: 0.4rem; }
.status-pending { background: #FCEFC1; color: #5A4300; }
.status-done { background: var(--tint); color: var(--route); }
@media (max-width: 44rem) { .checks > div { grid-template-columns: 1fr; } }

/* Numbered steps — the content is a real sequence */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.steps li { counter-increment: step; position: relative; padding-top: 3.6rem; }
.steps li::before {
  content: counter(step); position: absolute; top: 0; left: 0;
  width: 2.6rem; height: 2.6rem; display: grid; place-items: center;
  background: var(--sign); color: var(--ink); font-weight: 700; font-size: 1.25rem; border-radius: 6px;
}
.steps h3 { margin-bottom: 0.4rem; }
.steps p { color: var(--verge); font-size: 1.02rem; }
@media (max-width: 60rem) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 36rem) { .steps { grid-template-columns: 1fr; } }

/* Prose pages */
.prose { max-width: 46rem; }
.prose h2 { font-size: var(--step-2); margin-top: 2.2em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.6em; }
.prose ul { padding-left: 1.25rem; }
.prose li { margin-bottom: 0.4rem; }
.prose table { border-collapse: collapse; width: 100%; font-size: 1rem; margin: 1rem 0 1.5rem; }
.prose th, .prose td { text-align: left; padding: 0.6rem 0.75rem 0.6rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }

/* Two-column layout: text + aside */
.with-aside { display: grid; grid-template-columns: minmax(0, 1fr) 20rem; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.aside-panel { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 1.5rem; }
.aside-panel h2, .aside-panel h3 { font-size: var(--step-1); }
@media (max-width: 56rem) { .with-aside { grid-template-columns: 1fr; } }

/* Audience rows */
.audiences { display: grid; gap: 0; border-top: 2px solid var(--ink); }
.audiences > section { display: grid; grid-template-columns: minmax(10rem, 16rem) 1fr; gap: 0.5rem 2.5rem; padding: 1.75rem 0; border-bottom: 1px solid var(--line); }
.audiences h3 { font-size: var(--step-1); }
@media (max-width: 44rem) { .audiences > section { grid-template-columns: 1fr; } }

/* Closing band */
.closing { background: var(--route); color: var(--white); }
.closing .wrap { padding-block: clamp(3rem, 7vw, 5rem); display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.closing h2 { color: var(--white); max-width: 22ch; margin-bottom: 0.4em; }
.closing p { color: #DCEAE3; margin: 0; }
.closing .actions { margin-top: 0; }
@media (max-width: 48rem) { .closing .wrap { grid-template-columns: 1fr; } }

/* Forms */
.form-panel { background: var(--white); border: 1px solid var(--line); border-top: 6px solid var(--route); border-radius: 10px; padding: clamp(1.5rem, 4vw, 2.5rem); }
.form-panel h2 { font-size: var(--step-2); }
.form-intro { color: var(--verge); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem 1.5rem; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 40rem) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field label, .field legend { font-weight: 700; font-size: 1.02rem; }
.field .hint { font-size: var(--step--1); color: var(--verge); margin: -0.15rem 0 0.15rem; }
.field .optional { font-weight: 400; color: var(--verge); }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], input[type="number"], select, textarea {
  font: inherit; font-size: 1.05rem; color: var(--ink); background: var(--white);
  border: 2px solid #8A9892; border-radius: var(--radius-control); padding: 0.65rem 0.75rem; width: 100%;
}
textarea { min-height: 8rem; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--ink); }
fieldset.field { border: 0; padding: 0; margin: 0; }
.choices { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.choice { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 400; }
.choice input { width: 1.25rem; height: 1.25rem; accent-color: var(--route); margin: 0; }
.field-error { color: var(--error); font-weight: 700; font-size: var(--step--1); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--error); }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: var(--step--1); color: var(--verge); margin-top: 1.25rem; }
.form-status { margin-top: 1rem; font-weight: 700; }
.form-status.error { color: var(--error); }
.form-status.success { color: var(--route); }
.form-done { padding: 1rem 0; }
.form-done h3 { font-size: var(--step-2); }
button[disabled] { opacity: 0.65; cursor: progress; }

/* Contact methods */
.methods { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
.methods strong { display: block; }

/* Footer */
.site-footer { background: var(--route-deep); color: #D7E5DE; padding-top: clamp(3rem, 6vw, 4rem); font-size: 1rem; }
.site-footer a { color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; padding-bottom: 2.5rem; }
.footer-name { font-weight: 700; font-size: 1.2rem; color: var(--white); margin-bottom: 0.4rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.55rem; align-items: flex-start; }
.footer-links .link-button { color: var(--white); }
.footer-legal { border-top: 1px solid rgba(255,255,255,0.18); padding-block: 1.25rem 2rem; font-size: var(--step--1); color: #B6CABF; }
.footer-legal p { max-width: none; margin-bottom: 0.4rem; }
@media (max-width: 44rem) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-about { grid-column: 1 / -1; } }

/* Cookie banner */
.cookie-banner { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--white); border-top: 4px solid var(--route); box-shadow: 0 -8px 24px rgba(21, 33, 28, 0.12); }
.cookie-row { display: flex; gap: 1rem 2rem; align-items: center; justify-content: space-between; padding-block: 1rem; flex-wrap: wrap; }
.cookie-row p { margin: 0; font-size: 1rem; }
.cookie-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.cookie-actions .button { padding: 0.6rem 1.1rem; }

/* 404 */
.lost { min-height: 50vh; display: grid; align-content: center; }

@media print {
  .site-header, .site-footer, .cookie-banner, .actions { display: none; }
  .sign { background: none; color: var(--ink); border: 2px solid var(--ink); }
  .sign h1, .sign .lede { color: var(--ink); }
}
.narrow { max-width: 52rem; }
.after-checks { margin-top: 1.5rem; }
.audiences h3, .audiences > section > div > p:last-child { margin-top: 0; margin-bottom: 0; }
.methods li { padding-bottom: 1.25rem; border-bottom: 1px solid var(--line); }