:root {
  color-scheme: light;
  --ink: #18191a;
  --ink-soft: #28292a;
  --paper: #eee9e1;
  --paper-deep: #ddd1c2;
  --accent: #ee741b;
  --sand: #c8ae91;
  --sage: #d9cbbd;
  --line: #cbbcac;
  --muted: #706a64;
  --button-bg: #18191a;
  --button-text: #ffffff;
  --button-light-bg: #eee9e1;
  --button-light-text: #18191a;
  --image-panel: #ffffff;
  --success: #326642;
  --error: #a8392d;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f0ece5;
  --ink-soft: #d8d1c8;
  --paper: #17191b;
  --paper-deep: #24272a;
  --sand: #795d45;
  --sage: #302c29;
  --line: #49433d;
  --muted: #b7aea5;
  --button-bg: #ee741b;
  --button-text: #17191b;
  --button-light-bg: #f0ece5;
  --button-light-text: #18191a;
  --image-panel: #aaa49d;
  --success: #82d49a;
  --error: #ff9a8f;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 85% 5%, rgba(255,248,239,.8) 0, transparent 26%), var(--paper); font-family: "DM Sans", sans-serif; }
html[data-theme="dark"] body { background: radial-gradient(circle at 85% 5%, rgba(238,116,27,.12) 0, transparent 26%), var(--paper); }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.site-header { height: 84px; padding: 0 max(24px, calc((100vw - 1240px) / 2)); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .14em; }
.brand-mark { width: 34px; height: 34px; display: inline-grid; place-items: center; flex: 0 0 auto; border-radius: 7px; transition: background-color .2s ease, box-shadow .2s ease; }
.brand-mark img { display: block; width: 100%; height: 100%; object-fit: contain; }
html[data-theme="dark"] .brand-mark { padding: 3px; background: var(--image-panel); box-shadow: 0 0 0 1px var(--line); }
.brand-word span { color: var(--accent); }
nav { display: flex; gap: 32px; align-items: center; font-size: .88rem; }
nav > a:not(.button) { transition: color .2s ease; }
nav > a:not(.button):hover { color: var(--accent); }
.language-switcher { display: flex; gap: 5px; font-size: .7rem; letter-spacing: .1em; }
.language-switcher a { opacity: .45; }
.language-switcher a.active { opacity: 1; font-weight: 700; color: var(--accent); }
.nav-toggle { display: none; border: 0; background: none; color: var(--ink); }
.button { display: inline-block; border: 1px solid var(--button-bg); background: var(--button-bg); color: var(--button-text); padding: 15px 22px; font-weight: 700; letter-spacing: .03em; cursor: pointer; transition: .2s ease; box-shadow: 5px 5px 0 var(--sand); }
.button:hover { background: var(--accent); border-color: var(--accent); box-shadow: 2px 2px 0 var(--sand); transform: translate(3px, 3px); }
.button:disabled { opacity: .55; cursor: wait; transform: none; box-shadow: 2px 2px 0 var(--sand); }
.button-small { padding: 10px 16px; }
.button-light { background: var(--button-light-bg); border-color: var(--button-light-bg); color: var(--button-light-text); box-shadow: 5px 5px 0 var(--accent); }
.theme-toggle { position: fixed; right: 18px; bottom: 18px; z-index: 1200; display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); background: var(--paper-deep); color: var(--ink); padding: 10px 14px; font-weight: 700; cursor: pointer; box-shadow: 4px 4px 0 var(--sand); }
.theme-toggle:hover { border-color: var(--accent); }
.text-link { font-weight: 600; border-bottom: 1px solid var(--ink); padding-bottom: 4px; }
.section { max-width: 1240px; margin: auto; padding: 100px 24px; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-weight: 700; font-size: .7rem; color: var(--accent); }
h1, h2 { font-family: "Playfair Display", serif; line-height: 1.03; font-weight: 600; }
h1 { font-size: clamp(3.5rem, 8vw, 7rem); margin: 18px 0 28px; letter-spacing: -.045em; }
h2 { font-size: clamp(2.4rem, 5vw, 4.5rem); margin: 16px 0 24px; letter-spacing: -.035em; }
h3 { font-size: 1.35rem; }
em { color: var(--accent); }
.hero { min-height: calc(100vh - 84px); display: grid; grid-template-columns: 1fr 1fr; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 70px max(24px, calc((100vw - 1240px) / 2)); padding-right: 6vw; background-image: linear-gradient(135deg, transparent 75%, rgba(200, 174, 145, .22) 75%); }
.lead { font-size: 1.08rem; line-height: 1.7; max-width: 540px; }
.actions { display: flex; gap: 26px; align-items: center; margin-top: 28px; }
.route-art { position: relative; display: grid; place-items: center; background: #292a2b; overflow: hidden; }
.route-art::before { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, rgba(24,25,26,.1), transparent 45%), linear-gradient(0deg, rgba(24,25,26,.36), transparent 32%); pointer-events: none; }
.hero-banner { width: 100%; height: 100%; min-height: calc(100vh - 84px); object-fit: cover; object-position: center; }
html[data-theme="dark"] .hero-banner { filter: brightness(.7) saturate(.82) contrast(1.08); }
.route-art svg { width: min(80%, 550px); }
.route-art circle { fill: var(--accent); }
.route-line { fill: none; stroke: var(--paper); stroke-width: 5; stroke-linecap: round; }
.route-shadow { fill: none; stroke: #aebcad; stroke-width: 22; stroke-linecap: round; opacity: .7; }
.route-label { position: absolute; z-index: 2; font-size: .65rem; letter-spacing: .24em; font-weight: 700; color: var(--paper); }
.route-label-top { top: 10%; right: 12%; }.route-label-bottom { bottom: 10%; left: 12%; }
.intro { text-align: center; max-width: 900px; }
.intro > p:last-child { max-width: 650px; line-height: 1.8; margin: auto; }
.story-section { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.15fr); gap: clamp(45px, 8vw, 110px); align-items: center; }
.story-image-wrap { position: relative; padding: 22px; background: var(--image-panel); box-shadow: 14px 14px 0 var(--sand); transition: background-color .2s ease; }
.story-image-wrap::before { content: ""; position: absolute; width: 46%; height: 8px; top: -8px; left: 0; background: var(--accent); }
.story-image { display: block; width: 100%; height: auto; }
html[data-theme="dark"] .story-image { filter: brightness(.92) contrast(1.08); }
.story-copy p:last-child { max-width: 600px; line-height: 1.8; color: var(--muted); }
.steps, .detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; }
.steps article, .detail-grid article { border-top: 2px solid var(--ink); padding: 35px 28px 35px 0; }
.steps span, .detail-grid span { color: var(--accent); font-size: .7rem; font-weight: 700; }
.steps p, .detail-grid p, .info-card p { line-height: 1.7; color: var(--muted); }
.faq-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 8vw; align-items: start; }
.faq-heading { position: sticky; top: 120px; }
.faq-heading p:last-child { max-width: 480px; line-height: 1.8; color: var(--muted); }
.faq-list { border-top: 2px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); padding: 0; }
.faq-list summary { position: relative; cursor: pointer; list-style: none; padding: 26px 44px 26px 0; font-size: 1.05rem; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 24px; color: var(--accent); font-size: 1.4rem; }
.faq-list details[open] summary::after { content: "-"; }
.faq-list details p { margin: 0; padding: 0 44px 28px 0; color: var(--muted); line-height: 1.8; }
.cta { position: relative; max-width: none; background: radial-gradient(circle at 80% 100%, rgba(238,116,27,.32), transparent 27%), var(--ink); color: var(--paper); text-align: center; overflow: hidden; }
.cta > *:not(.cta-mark) { position: relative; z-index: 1; }
.cta-mark { position: absolute; width: min(46vw, 620px); right: -8%; top: 50%; transform: translateY(-50%); opacity: .08; }
html[data-theme="dark"] .cta-mark { filter: brightness(1.35) contrast(.85); opacity: .16; }
.page-heading { padding-bottom: 50px; }
.page-heading h1 { font-size: clamp(3.5rem, 7vw, 6rem); }
.page-heading > p:last-child { font-size: 1.1rem; color: var(--muted); }
.route-configurator { padding-top: 0; }
.route-configurator iframe { display: block; width: 100%; min-height: 900px; border: 1px solid var(--line); background: var(--paper-deep); box-shadow: 12px 12px 0 var(--sand); }
.project-update { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 8vw; align-items: start; border-top: 1px solid var(--line); }
.project-update-copy p:last-child { max-width: 500px; line-height: 1.8; color: var(--muted); }
.project-update-form { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 36px; background: var(--paper-deep); box-shadow: 12px 12px 0 var(--sand); }
.project-update-form label { display: flex; flex-direction: column; gap: 9px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.project-update-form label:first-child, .project-update-form .file-hint, .project-update-form .form-status { grid-column: 1 / -1; }
.project-update-form input { width: 100%; border: 1px solid var(--line); background: var(--paper); color: var(--ink); padding: 13px; }
.project-update-form input[type="file"] { padding: 10px; text-transform: none; letter-spacing: 0; }
.project-update-form input[type="file"]::file-selector-button { border: 1px solid var(--line); background: var(--button-bg); color: var(--button-text); padding: 9px 12px; margin-right: 12px; font-weight: 700; cursor: pointer; }
.project-update-form input[type="file"]::file-selector-button:hover { background: var(--accent); border-color: var(--accent); }
.project-update-form input:focus { outline: 1px solid var(--accent); border-color: var(--accent); }
.project-update-form .button { justify-self: start; }
.file-hint { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.6; }
.upload-layout { padding-top: 0; display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.dropzone { min-height: 380px; border: 1px dashed var(--muted); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; cursor: pointer; transition: .2s; }
.dropzone.dragging, .dropzone:hover { background: var(--paper-deep); border-color: var(--accent); }
.dropzone input { width: 1px; height: 1px; opacity: 0; position: absolute; }
.dropzone h2 { font-size: 2.4rem; margin: 12px; }
.drop-icon { color: var(--accent); font-size: 2rem; }
.dropzone .button { margin-top: 18px; }
.info-card { background: var(--sage); padding: 45px; display: flex; flex-direction: column; justify-content: center; }
.preview { display: grid; grid-template-columns: 1fr 1.7fr; gap: 40px; border-top: 1px solid var(--line); }
.preview-copy h2 { font-size: 2.5rem; overflow-wrap: anywhere; }
#route-map { min-height: 500px; background: var(--sage); }
.route-stats { display: flex; gap: 45px; margin: 35px 0; }
.route-stats div { display: flex; flex-direction: column; }
.route-stats strong { font-family: "Playfair Display"; font-size: 2.5rem; }
.route-stats span { font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; }
.form-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; }
.form-intro h1 { font-size: clamp(3.5rem, 6vw, 6rem); }
.form-intro > p:last-child { max-width: 500px; line-height: 1.8; }
.request-form { display: flex; flex-direction: column; gap: 24px; padding-top: 20px; }
.request-form label { display: flex; flex-direction: column; gap: 8px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.request-form input, .request-form textarea { border: 0; border-bottom: 1px solid var(--muted); background: transparent; padding: 13px 2px; color: var(--ink); resize: vertical; }
.request-form input::placeholder, .request-form textarea::placeholder, .project-update-form input::placeholder { color: var(--muted); opacity: .8; }
.request-form input:focus, .request-form textarea:focus { outline: 0; border-color: var(--accent); }
.request-form .button { align-self: flex-start; }
.form-status { min-height: 24px; font-size: .85rem; }
.form-status.success { color: var(--success); }.form-status.error { color: var(--error); }
.submission-confirmation { min-height: calc(100vh - 220px); display: flex; flex-direction: column; justify-content: center; max-width: 900px; text-align: center; align-items: center; }
.submission-confirmation h1 { font-size: clamp(3.4rem, 7vw, 6.5rem); }
.submission-confirmation .lead { max-width: 680px; }
.submission-reference { margin: 24px 0 0; padding: 14px 20px; border: 1px solid var(--line); background: var(--paper-deep); font-size: .85rem; }
.detail-grid { grid-template-columns: repeat(2, 1fr); gap: 50px; }
footer { max-width: 1240px; margin: auto; padding: 50px 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 30px; font-size: .75rem; color: var(--muted); }
.footer-links { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.footer-links a:hover { color: var(--accent); }

@media (max-width: 800px) {
  .site-header { height: 70px; }
  .nav-toggle { display: block; }
  nav { display: none; position: absolute; z-index: 1000; top: 70px; left: 0; right: 0; padding: 25px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
  nav.open { display: flex; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 70vh; padding: 60px 24px; }
  .route-art { min-height: 65vh; }
  .hero-banner { min-height: 65vh; object-position: center; }
  .section { padding: 70px 24px; }
  .steps, .detail-grid, .upload-layout, .preview, .form-layout, .faq-section, .story-section, .project-update, .project-update-form { grid-template-columns: 1fr; }
  .project-update-form label:first-child, .project-update-form .file-hint, .project-update-form .form-status { grid-column: auto; }
  .story-image-wrap { max-width: 520px; }
  .faq-heading { position: static; }
  .actions { align-items: flex-start; flex-direction: column; }
  .route-configurator { padding-inline: 0; }
  #route-map { min-height: 400px; }
  footer { flex-direction: column; gap: 12px; }
  .footer-links { align-items: flex-start; }
}