:root {
  --color-graphite: #11161a;
  --color-navy: #172a3a;
  --color-copper: #b85c43;
  --color-urban-green: #527265;
  --color-limestone: #f1ebdd;
  --color-limestone-muted: #b9b8ad;
  --color-map-line: #43515a;
  --color-surface: #fffdf7;
  --color-ink: #11161a;
  --color-border: rgba(241, 235, 221, 0.18);
  --color-border-dark: #43515a;
  --color-error: #b85c43;

  --font-heading: "Fraunces", Georgia, serif;
  --font-body: "Inter", Arial, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lead: 1.25rem;
  --text-section: clamp(1.5rem, 2.4vw, 1.75rem);
  --text-page: clamp(2rem, 4vw, 2.5rem);
  --text-hero: clamp(2.75rem, 6vw, 3.5rem);
  --text-display: clamp(3.25rem, 7vw, 4.5rem);

  --leading-xs: 1.333;
  --leading-sm: 1.43;
  --leading-base: 1.625;
  --leading-lead: 1.4;
  --leading-heading: 1.1;
  --leading-display: 0.98;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5.5rem;
  --space-10: 7.5rem;

  --container-max: 80rem;
  --container-padding: 2.5rem;
  --container-padding-tablet: 1.5rem;
  --container-padding-mobile: 1.125rem;

  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-pill: 999px;

  --shadow-float: 0 0.75rem 2rem rgba(0, 0, 0, 0.22);

  --transition-fast: 180ms ease-out;
  --transition-base: 220ms ease-out;
}

@media (max-width: 960px) {
  :root {
    --container-padding: var(--container-padding-tablet);
  }
}

@media (max-width: 720px) {
  :root {
    --container-padding: var(--container-padding-mobile);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-graphite);
  color: var(--color-limestone);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-base);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main,
header,
footer,
section,
article,
aside,
nav,
figure,
form,
fieldset,
table {
  min-width: 0;
}

img,
picture,
svg,
canvas,
video,
iframe {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
}

svg {
  fill: currentColor;
}

a {
  color: inherit;
  text-decoration-color: var(--color-copper);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition:
    color var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-copper);
  outline-offset: 3px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select {
  text-transform: none;
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: var(--text-base);
  line-height: var(--leading-base);
}

input,
select {
  min-height: 2.875rem;
  padding: 0.625rem 0.75rem;
}

textarea {
  min-height: 8rem;
  padding: 0.75rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #657078;
  opacity: 1;
}

label {
  display: inline-block;
  margin-block-end: var(--space-2);
  color: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--leading-sm);
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

th,
td {
  padding: var(--space-3);
  border-bottom: 1px solid currentColor;
  border-color: var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: var(--text-sm);
  font-weight: 600;
}

hr {
  height: 1px;
  margin: var(--space-7) 0;
  border: 0;
  background: var(--color-map-line);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-block: 0 var(--space-4);
  color: inherit;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: var(--leading-heading);
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--text-hero);
  line-height: var(--leading-display);
}

h2 {
  font-size: var(--text-page);
}

h3 {
  font-size: var(--text-section);
}

h4 {
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

h5,
h6 {
  font-size: var(--text-base);
}

p {
  margin-block: 0 var(--space-4);
}

ul,
ol {
  margin-block: 0 var(--space-4);
  padding-inline-start: 1.25rem;
}

blockquote {
  margin: 0 0 var(--space-5);
  padding: var(--space-4) 0 var(--space-4) var(--space-5);
  border-inline-start: 1px solid var(--color-copper);
  color: var(--color-limestone);
  font-family: var(--font-heading);
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

figure {
  margin: 0 0 var(--space-5);
}

figcaption {
  margin-block-start: var(--space-2);
  color: var(--color-limestone-muted);
  font-size: var(--text-xs);
  line-height: var(--leading-xs);
}

dl {
  margin: 0 0 var(--space-5);
}

dt {
  color: var(--color-limestone-muted);
  font-size: var(--text-sm);
  font-weight: 600;
}

dd {
  margin: 0 0 var(--space-3);
}

address {
  margin: 0 0 var(--space-4);
  font-style: normal;
}

small {
  font-size: var(--text-xs);
  line-height: var(--leading-xs);
}

::selection {
  background: var(--color-copper);
  color: var(--color-graphite);
}

.container {
  width: min(100% - (var(--container-padding) * 2), var(--container-max));
  margin-inline: auto;
}

.container--full {
  width: 100%;
  max-width: none;
  margin-inline: 0;
}

.section {
  padding-block: var(--space-9);
}

.section--compact {
  padding-block: var(--space-7);
}

.section--spacious {
  padding-block: var(--space-10);
}

.surface-dark {
  background: var(--color-graphite);
  color: var(--color-limestone);
}

.surface-navy {
  background: var(--color-navy);
  color: var(--color-limestone);
}

.surface-light {
  background: var(--color-surface);
  color: var(--color-ink);
}

.surface-light a:hover {
  color: var(--color-copper);
}

.stack {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: var(--stack-gap, var(--space-4));
}

.stack--tight {
  --stack-gap: var(--space-2);
}

.stack--compact {
  --stack-gap: var(--space-3);
}

.stack--loose {
  --stack-gap: var(--space-6);
}

.stack--spacious {
  --stack-gap: var(--space-7);
}

.stack > :last-child {
  margin-block-end: 0;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  min-width: 0;
  gap: var(--cluster-gap, var(--space-3));
}

.cluster > * {
  min-width: 0;
}

.cluster--tight {
  --cluster-gap: var(--space-2);
}

.cluster--loose {
  --cluster-gap: var(--space-5);
}

.cluster--between {
  justify-content: space-between;
}

.eyebrow,
.meta,
.coordinates {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: var(--leading-xs);
  text-transform: uppercase;
}

.eyebrow {
  color: var(--color-copper);
}

.meta,
.coordinates {
  color: var(--color-limestone-muted);
}

.surface-light .meta,
.surface-light .coordinates {
  color: #596067;
}

.lead {
  font-size: var(--text-lead);
  line-height: var(--leading-lead);
}

.rule {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--color-map-line);
}

.route-line {
  display: flex;
  align-items: center;
  min-width: 0;
  border-block-start: 1px solid var(--color-map-line);
}

.route-line__stop {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  padding-block-start: var(--space-3);
  color: var(--color-limestone-muted);
  font-size: var(--text-xs);
  line-height: var(--leading-xs);
}

.route-line__stop::before {
  position: absolute;
  top: -4px;
  inset-inline-start: 0;
  width: 7px;
  height: 7px;
  border: 1px solid var(--color-map-line);
  border-radius: 50%;
  background: var(--color-graphite);
  content: "";
}

.route-line__stop--active {
  color: var(--color-copper);
}

.route-line__stop--active::before {
  border-color: var(--color-copper);
  background: var(--color-copper);
}

.card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-none);
  background: transparent;
}

.card--soft {
  border-radius: var(--radius-md);
}

.card--light {
  border-color: rgba(17, 22, 26, 0.16);
  background: var(--color-surface);
  color: var(--color-ink);
}

.card__body {
  padding: var(--space-5);
}

.card__body > :last-child {
  margin-block-end: 0;
}

.panel {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-none);
  background: var(--color-navy);
  color: var(--color-limestone);
}

.panel--light {
  border-color: rgba(17, 22, 26, 0.16);
  background: var(--color-surface);
  color: var(--color-ink);
}

.panel__content {
  padding: var(--space-6);
}

.panel__content > :last-child {
  margin-block-end: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 2.875rem;
  padding: 0.6875rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-copper);
  color: var(--color-graphite);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
}

.button:hover {
  background: #cb765d;
  color: var(--color-graphite);
  transform: translateY(-1px);
}

.button--secondary {
  border-color: var(--color-copper);
  background: transparent;
  color: var(--color-limestone);
}

.button--secondary:hover {
  background: var(--color-copper);
  color: var(--color-graphite);
}

.button--light {
  border-color: var(--color-ink);
  background: var(--color-surface);
  color: var(--color-ink);
}

.button--light:hover {
  border-color: var(--color-copper);
  background: var(--color-copper);
  color: var(--color-graphite);
}

.button--full {
  width: 100%;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  min-width: 0;
  gap: var(--space-3);
}

.button-group > * {
  min-width: 0;
}

.form-field {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.form-field__hint {
  margin-block-start: var(--space-2);
  color: var(--color-limestone-muted);
  font-size: var(--text-xs);
  line-height: var(--leading-xs);
}

.form-field__error {
  margin-block-start: var(--space-2);
  color: var(--color-error);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--leading-sm);
}

.form-field--error input,
.form-field--error select,
.form-field--error textarea {
  border-color: var(--color-error);
}

.content-list {
  margin: 0 0 var(--space-4);
  padding-inline-start: 1.25rem;
}

.content-list > .skip-link {
  position: fixed;
  top: var(--space-3);
  inset-inline-start: var(--space-3);
  z-index: 1000;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-copper);
  color: var(--color-graphite);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--transition-fast);
}

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

@media (max-width: 720px) {
  .section {
    padding-block: var(--space-8);
  }

  .section--compact {
    padding-block: var(--space-6);
  }

  .section--spacious {
    padding-block: var(--space-9);
  }

  .panel__content,
  .card__body {
    padding: var(--space-4);
  }

  .route-line {
    align-items: flex-start;
    flex-direction: column;
    border-block-start: 0;
    border-inline-start: 1px solid var(--color-map-line);
    gap: var(--space-3);
  }

  .route-line__stop {
    width: 100%;
    flex: 0 0 auto;
    padding-block-start: 0;
    padding-inline-start: var(--space-4);
  }

  .route-line__stop::before {
    top: calc(50% - 4px);
    inset-inline-start: -4px;
  }

  .button-group {
    align-items: stretch;
    flex-direction: column;
  }

  .button-group .button {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}