/* pwp-authored-additional-v1-20261028: technical foundation only */
@layer pwp-runtime-foundation {
  :root {
    --bg:#F0F9FF; --text:#0C4A6E;
    --surface:#FFFFFF; --text-muted:#475569;
    --primary:#0EA5E9; --primary-fg:#0F172A;
    --border:#BAE6FD;
  }
  *, *::before, *::after { box-sizing:border-box; }
  html { scroll-behavior:smooth; }
  body { margin:0; background:var(--bg); color:var(--text); }
  img, video { max-inline-size:100%; block-size:auto; }
  button, input, select, textarea { font:inherit; }
  button, summary { cursor:pointer; }
  :where(a,button,input,select,textarea,summary):focus-visible { outline:2px solid currentColor; outline-offset:4px; }
  .skip { position:fixed; inset-block-start:-10rem; inset-inline-start:1rem; z-index:10000; padding:.75rem; background:var(--bg); color:var(--text); }
  .skip:focus { inset-block-start:1rem; }
  /* Legal prose is a separate utility; never constrain the author's main site. */
  .legal-container { max-inline-size:76ch; margin-inline:auto; padding:clamp(1rem,4vw,3rem); }
  .legal-body { line-height:1.7; overflow-wrap:anywhere; }
  .legal-body p + p, .legal-body section + section { margin-block-start:1.25em; }
  .legal-body table { display:block; overflow-x:auto; max-inline-size:100%; }
  .legal-body h1, .legal-body h2, .legal-body h3, .legal-title { line-height:1.2; }
  .cookie-banner { position:fixed; inset-inline:1rem; inset-block-end:1rem; z-index:9999; max-inline-size:34rem; padding:1rem; border:1px solid var(--border); background:var(--bg); color:var(--text); }
  .cookie-text { font:14px/1.5 system-ui,sans-serif; }
  .cookie-actions { display:flex; flex-wrap:wrap; gap:.75rem; margin-block-start:.75rem; }
  .cookie-actions button { min-block-size:44px; padding:.6rem 1rem; border:1px solid var(--border); background:var(--surface); color:var(--text); }
  .cookie-actions [data-action="accept-cookie"] { background:var(--primary); color:var(--primary-fg); }
}
/* Required state, not a visual layout. Expanded pages may be grid/flex/block. */
[hidden], .cookie-banner.hidden { display:none !important; }
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}

/* === AUTHOR-OWNED SITE STYLES === */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

  :root {
    --ink: #163c35;
    --ink-soft: #48655d;
    --leaf: #2f6b4f;
    --leaf-dark: #204b3b;
    --mango: #e88b3a;
    --sky: #dcefe8;
    --mist: #f5f7ef;
    --paper: #fffdf8;
    --line: #d8e4dc;
    --white: #ffffff;
    --shadow: 0 18px 50px rgba(26, 69, 53, .10);
    --radius-lg: 28px;
    --radius-md: 16px;
    --max: 1180px;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "DM Sans", sans-serif;
    line-height: 1.65;
  }
  body::selection { background: var(--mango); color: var(--ink); }
  a { color: var(--leaf-dark); }
  a:hover { color: var(--mango); }
  a:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 3px solid var(--mango);
    outline-offset: 4px;
  }
  img, svg { max-width: 100%; }
  button, select { font: inherit; }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 253, 248, .96);
    border-bottom: 1px solid var(--line);
  }
  .nav-shell {
    width: min(var(--max), calc(100% - 40px));
    margin: auto;
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 28px;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    text-decoration: none;
    flex: 0 0 auto;
  }
  .brand-mark {
    width: 38px;
    height: 38px;
    color: var(--leaf);
  }
  .brand-name {
    font-family: "Space Grotesk", sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -.045em;
  }
  .brand-name span { color: var(--mango); }
  .main-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 5px;
  }
  .main-nav a, .nav-group summary {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 8px 12px;
    border-radius: 9px;
    color: var(--ink-soft);
    text-decoration: none;
    font-size: .88rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
  }
  .main-nav a:hover, .nav-group summary:hover,
  .main-nav a[aria-current="page"] {
    color: var(--ink);
    background: var(--sky);
  }
  .nav-group { position: relative; }
  .nav-group summary::-webkit-details-marker { display: none; }
  .nav-group summary::after {
    content: "⌄";
    margin-left: 7px;
    font-size: .8rem;
  }
  .nav-group[open] summary { background: var(--sky); color: var(--ink); }
  .nav-group-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 250px;
    padding: 9px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }
  .nav-group-panel a { display: flex; width: 100%; }
  .language-nav {
    border-left: 1px solid var(--line);
    padding-left: 17px;
    display: flex;
    gap: 9px;
    font-size: .82rem;
  }
  .language-nav a {
    color: var(--ink-soft);
    text-decoration: none;
  }
  .language-nav a[aria-current="true"] { color: var(--leaf-dark); font-weight: 700; }

  main { min-height: 60vh; }
  .page[hidden] { display: none; }
  .page-inner {
    width: min(var(--max), calc(100% - 40px));
    margin: auto;
    padding: 76px 0 100px;
  }
  .eyebrow {
    margin: 0 0 15px;
    color: var(--mango);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
  }
  h1, h2, h3 {
    margin: 0;
    font-family: "Space Grotesk", sans-serif;
    letter-spacing: -.055em;
    line-height: 1.03;
  }
  h1 { max-width: 760px; font-size: clamp(2.7rem, 6vw, 5.8rem); }
  h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
  h3 { font-size: 1.25rem; letter-spacing: -.035em; }
  p { margin: 0 0 1.1rem; }
  .lead {
    max-width: 690px;
    margin-top: 24px;
    color: var(--ink-soft);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.6;
  }
  .button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
  }
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 10px 18px;
    border-radius: 9px;
    background: var(--leaf-dark);
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
  }
  .button:hover { background: var(--mango); color: var(--ink); }
  .button.secondary {
    background: transparent;
    color: var(--leaf-dark);
    border: 1px solid var(--leaf);
  }

  .hero {
    min-height: 650px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr);
    align-items: center;
    gap: 70px;
    padding-top: 62px;
  }
  .hero-art {
    position: relative;
    min-height: 500px;
    display: grid;
    place-items: center;
  }
  .hero-art::before {
    content: "";
    position: absolute;
    inset: 8% 0 5% 8%;
    border-radius: 48% 52% 44% 56%;
    background: var(--sky);
    transform: rotate(-9deg);
  }
  .hero-art::after {
    content: "";
    position: absolute;
    width: 130px;
    height: 130px;
    right: 7%;
    top: 8%;
    border-radius: 50%;
    background: var(--mango);
    opacity: .88;
  }
  .landscape-svg {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 520px;
  }
  .hero-note {
    position: absolute;
    z-index: 2;
    left: 0;
    bottom: 12%;
    width: 215px;
    padding: 17px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
    font-size: .88rem;
  }
  .hero-note strong { display: block; margin-bottom: 3px; color: var(--leaf-dark); }

  .section-band {
    margin-top: 35px;
    padding: 76px max(20px, calc((100vw - var(--max)) / 2));
    background: var(--mist);
  }
  .section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 30px;
    margin-bottom: 30px;
  }
  .section-heading p { max-width: 430px; color: var(--ink-soft); }
  .route-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .route-card {
    min-height: 255px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
  }
  .route-card.featured {
    background: var(--leaf-dark);
    color: var(--white);
    border-color: var(--leaf-dark);
  }
  .route-card p { color: var(--ink-soft); font-size: .95rem; }
  .route-card.featured p { color: #dcefe8; }
  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-weight: 700;
    text-decoration: none;
  }
  .text-link::after { content: "↗"; }
  .facts-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 45px;
    padding: 70px 0 10px;
  }
  .fact-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
  }
  .fact-list li {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
  }
  .fact-list span { color: var(--ink-soft); text-align: right; }

  .article-header { padding-bottom: 48px; border-bottom: 1px solid var(--line); }
  .article-header p { max-width: 720px; margin-top: 22px; color: var(--ink-soft); font-size: 1.12rem; }
  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(240px, .55fr);
    gap: 72px;
    padding-top: 48px;
  }
  .article-copy { max-width: 720px; }
  .article-copy h2 { margin: 42px 0 17px; font-size: 2rem; }
  .article-copy h3 { margin: 32px 0 12px; }
  .article-copy ul { padding-left: 1.25rem; }
  .article-copy li { margin-bottom: 9px; }
  .side-note {
    align-self: start;
    padding: 23px;
    background: var(--sky);
    border-radius: var(--radius-md);
    font-size: .92rem;
  }
  .side-note strong { display: block; margin-bottom: 9px; font-family: "Space Grotesk", sans-serif; }
  .source-note {
    margin-top: 30px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: .88rem;
  }
  .source-note a { font-weight: 600; }

  .comparison {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0 30px;
    font-size: .94rem;
  }
  .comparison th, .comparison td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
  }
  .comparison th {
    color: var(--leaf-dark);
    font-family: "Space Grotesk", sans-serif;
  }

  .contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }
  .contact-details {
    margin-top: 34px;
    border-top: 1px solid var(--line);
  }
  .contact-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 20px;
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
  }
  .contact-row dt { color: var(--ink-soft); }
  .contact-row dd { margin: 0; font-weight: 600; }
  .contact-panel {
    padding: 30px;
    background: var(--leaf-dark);
    color: var(--white);
    border-radius: var(--radius-lg);
  }
  .contact-panel p { color: #dcefe8; }
  .faq { margin-top: 58px; max-width: 780px; }
  .faq h2 { margin-bottom: 20px; font-size: 2.4rem; }
  details { border-top: 1px solid var(--line); }
  details:last-child { border-bottom: 1px solid var(--line); }
  summary {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 0;
    cursor: pointer;
    font-weight: 700;
    list-style: none;
  }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; flex: 0 0 auto; color: var(--mango); font-size: 1.3rem; }
  details[open] summary::after { content: "−"; }
  .answer { padding: 0 38px 20px 0; color: var(--ink-soft); }

  footer {
    padding: 58px max(20px, calc((100vw - var(--max)) / 2)) 28px;
    background: var(--ink);
    color: #dcefe8;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 45px;
  }
  .footer-brand { color: var(--white); }
  footer h2 { margin-bottom: 15px; color: var(--white); font-size: 1.2rem; }
  footer p { max-width: 370px; color: #b7d3c9; font-size: .92rem; }
  footer a { color: #dcefe8; text-decoration: none; }
  footer a:hover { color: var(--mango); }
  .footer-links { display: grid; gap: 7px; font-size: .9rem; }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-top: 22px;
    border-top: 1px solid rgba(220, 239, 232, .2);
    color: #9fbbb1;
    font-size: .82rem;
  }

  @media (max-width: 850px) {
    .nav-shell { width: min(100% - 28px, var(--max)); gap: 12px; flex-wrap: wrap; padding: 12px 0; }
    .main-nav { order: 3; width: 100%; margin-left: 0; overflow-x: auto; padding-bottom: 2px; }
    .main-nav a, .nav-group summary { white-space: nowrap; }
    .language-nav { margin-left: auto; }
    .hero { grid-template-columns: 1fr; gap: 20px; padding-top: 35px; }
    .hero-art { min-height: 390px; }
    .route-grid, .facts-strip, .contact-layout, .footer-top { grid-template-columns: 1fr; }
    .section-heading { display: block; }
    .section-heading p { margin-top: 15px; }
    .article-layout { grid-template-columns: 1fr; gap: 30px; }
    .side-note { max-width: 520px; }
  }
  @media (max-width: 520px) {
    .page-inner { width: min(100% - 28px, var(--max)); padding: 52px 0 70px; }
    .section-band { padding: 55px 14px; }
    h1 { font-size: clamp(2.55rem, 14vw, 4rem); }
    .hero-art { min-height: 320px; }
    .hero-note { left: -4px; bottom: 4%; width: 185px; }
    .route-grid { gap: 12px; }
    .route-card { min-height: 220px; }
    .contact-row { grid-template-columns: 1fr; gap: 3px; }
    .footer-bottom { display: block; }
    .footer-bottom span { display: block; margin-top: 8px; }
    .nav-group-panel { position: fixed; top: 112px; left: 14px; right: 14px; width: auto; }
  }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  }

/* === OPEN NAVIGATION SURFACE SAFETY === */
/* Position, shadows, borders and scroll treatment belong to the author.
   Only an OPEN mobile menu gets a mandatory opaque readable surface. */
header.site-header[data-pwp-nav-open] {
  background-color: var(--bg, #ffffff) !important;
  isolation: isolate;
}
[data-pwp-mobile-menu][data-pwp-menu-open] {
  background-color: var(--bg, #ffffff);
  color: var(--text, #0f172a);
  max-block-size: var(--pwp-nav-available-height, calc(100dvh - 6rem));
  overflow-y: auto;
  overscroll-behavior: contain;
}
.pwp-source-note {
  margin-block-start: 1rem;
  font-size: .875em;
  line-height: 1.5;
}
.pwp-source-note a { text-decoration: underline; text-underline-offset: .2em; }