/* Rail2 UG — brand styles
   Colors from Markenblatt: #1E1B19 / #A2472E / #FFFFFF
   No external fonts, no tracking */

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

:root {
  --black: #1E1B19;
  --rust: #A2472E;
  --rust-deep: #8a3b26;
  --white: #FFFFFF;
  --paper: #FFFFFF;          /* primary page ground: clean white */
  --paper-deep: #F4F4F3;     /* cool neutral grey for alternating bands */
  --ink: #1E1B19;
  --ink-muted: #4a4845; /* WCAG AA on white ≥7:1 */
  --line: #e2e2e0;
  --wash: #F4F4F3;
  --focus: #A2472E;
  --max: 68rem;
  --gutter: clamp(1.5rem, 5vw, 3rem);
  --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;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --shadow-card: 0 1px 0 rgba(30, 27, 25, 0.04), 0 10px 28px rgba(30, 27, 25, 0.05);
  --logo-clear: 0.75rem;
}

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--rust); text-underline-offset: 0.18em; }
a:hover { color: var(--rust-deep); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  background: var(--black);
  color: var(--white);
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 2px;
}
.skip-link:focus { top: 0.75rem; }

/* —— Header (light: Primärlogo needs light ground) —— */
.site-header {
  background: var(--white);
  color: var(--black);
  border-bottom: 3px solid var(--rust);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.65rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  /* Schutzzone ≥ Höhe der „2“ */
  padding: var(--logo-clear);
  margin: calc(-1 * var(--logo-clear));
}

.logo img {
  height: 40px;
  width: auto;
  min-width: 90px; /* Markenblatt: Digital ≥ 90px Breite */
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--black);
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  border-radius: 2px;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.15rem 1.35rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--black);
  border-bottom-color: var(--rust);
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    width: 100%;
    padding: 0 var(--gutter) 1rem;
  }
  .site-nav.is-open { display: block; }
  .header-inner { flex-wrap: wrap; }
  .site-nav ul {
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
    padding-top: 0.5rem;
  }
  .site-nav a {
    display: block;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
  }
  .site-nav a[aria-current="page"] {
    border-bottom-color: var(--rust);
  }
}

/* —— Layout —— */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section { padding: clamp(4rem, 9vw, 6.5rem) 0; }
.section--tight { padding: clamp(3rem, 6vw, 4.5rem) 0; }

.section--dark {
  background: var(--black);
  color: var(--white);
}

.section--wash {
  background: var(--wash);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--deep-paper { background: var(--paper-deep); }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.section--dark .eyebrow,
.page-band .eyebrow,
.hero .eyebrow {
  color: #e8b4a4; /* WCAG AA ≥4.5:1 on #1E1B19 */
} /* large/decorative only; body stays white */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.85rem;
}

h1 { font-size: clamp(1.85rem, 4.5vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2rem); }
h3 { font-size: 1.2rem; }

.lede {
  font-size: 1.125rem;
  color: var(--ink-muted);
  max-width: 38rem;
  margin: 0 0 1.5rem;
}

.section--dark .lede { color: #d8d2cc; }
.hero .lede { color: #e8e4df; }

.prose p { margin: 0 0 1rem; max-width: 40rem; }
.prose p:last-child { margin-bottom: 0; }

.track {
  height: 10px;
  background:
    linear-gradient(90deg, transparent 0, transparent calc(50% - 1px), #8b7355 calc(50% - 1px), #8b7355 calc(50% + 1px), transparent calc(50% + 1px)),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 18px,
      var(--line) 18px,
      var(--line) 20px,
      transparent 20px,
      transparent 38px
    ),
    linear-gradient(var(--line), var(--line)) 0 1px / 100% 1px no-repeat,
    linear-gradient(var(--line), var(--line)) 0 8px / 100% 1px no-repeat;
  opacity: 0.7;
  margin: 0;
  border: 0;
}

/* —— Hero —— */
.hero {
  padding: clamp(4.5rem, 11vw, 7.5rem) 0 clamp(4rem, 9vw, 6rem);
  background: var(--black);
  color: var(--white);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media picture,
.hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  /* Soft darkening only toward the text side (right); loco on left stays bright */
  background:
    linear-gradient(250deg,
      rgba(30, 27, 25, 0.55) 0%,
      rgba(30, 27, 25, 0.28) 32%,
      rgba(30, 27, 25, 0.06) 55%,
      rgba(30, 27, 25, 0) 75%);
}

.hero-copy {
  max-width: 34rem;
  margin-left: auto; /* loco visible on the left */
  padding: 1.5rem 1.35rem 1.5rem 1.25rem;
  background: rgba(30, 27, 25, 0.78);
  border-radius: 2px;
  border-left: 3px solid var(--rust);
  box-shadow: 0 12px 40px rgba(30, 27, 25, 0.35);
}

.hero .wrap {
  position: relative;
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: var(--rust);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  min-height: clamp(18rem, 42vw, 26rem);
}

@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; min-height: 16rem; }
  .hero-media::after {
    background:
      linear-gradient(180deg,
        rgba(30, 27, 25, 0.08) 0%,
        rgba(30, 27, 25, 0.2) 40%,
        rgba(30, 27, 25, 0.55) 100%);
  }
  .hero-copy {
    margin-left: 0;
    max-width: none;
    background: rgba(30, 27, 25, 0.82);
    padding: 1.25rem 1.1rem;
  }
}

.hero h1 { margin-bottom: 1rem; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.75rem;
}

.hero-art img,
.hero-art svg {
  width: 100%;
  max-width: 320px;
  height: auto;
  margin-left: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.25rem;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn--primary {
  background: var(--rust);
  color: var(--white);
  border-color: var(--rust);
}
.btn--primary:hover {
  background: var(--rust-deep);
  border-color: var(--rust-deep);
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: #c8c2bc;
}
.btn--ghost:hover {
  border-color: var(--white);
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn--outline:hover {
  background: var(--black);
  color: var(--white);
}

/* Fahrplan */
.fahrplan {
  margin: 1.75rem 0 0;
  border: 1px solid var(--line);
  background: var(--white);
}

.fahrplan-row {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0 1.25rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.fahrplan-row:last-child { border-bottom: 0; }

.fahrplan-code {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
}

.fahrplan-row h3 {
  font-size: 1.05rem;
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
}

.fahrplan-row p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.98rem;
  max-width: 40rem;
}

@media (max-width: 560px) {
  .fahrplan-row { grid-template-columns: 1fr; gap: 0.35rem; }
}

/* Streckenband */
.streckenband {
  margin: 1.75rem 0 0;
  padding: 1.5rem 0 0.5rem;
  position: relative;
}

.streckenband::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 2.1rem;
  height: 2px;
  background: var(--black);
  opacity: 0.35;
}

.streckenband-stops {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  position: relative;
}

@media (max-width: 700px) {
  .streckenband-stops { grid-template-columns: 1fr; }
  .streckenband::before { display: none; }
}

.streckenband-stops li {
  padding-top: 1.75rem;
  position: relative;
}

.streckenband-stops li::before {
  content: "";
  position: absolute;
  top: 1.7rem;
  left: 0;
  width: 10px;
  height: 10px;
  border: 2px solid var(--black);
  background: var(--wash);
  border-radius: 50%;
  transform: translateY(-50%);
}

.streckenband-stops strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.streckenband-stops span {
  display: block;
  color: var(--ink-muted);
  font-size: 0.95rem;
  max-width: 18rem;
}

.baureihen {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem 1rem;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--black);
}

.baureihen li {
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0;
}

.baureihen li span {
  color: var(--ink-muted);
  font-size: 0.65em;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-right: 0.35rem;
}

@media (max-width: 640px) {
  .baureihen { grid-template-columns: repeat(2, 1fr); }
}

.zb-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}

.zb-list li {
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: 1px solid var(--line);
  padding: 0.4rem 0.75rem;
  background: var(--white);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; }
}

.contact-block {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.contact-block dl {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.contact-block dt {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 700;
  margin: 0 0 0.2rem;
}

.contact-block dd {
  margin: 0;
  font-size: 1.05rem;
}

.placeholder {
  background: #F4F4F3;
  color: #1E1B19;
  border: 1px solid #A2472E;
  padding: 0.1em 0.35em;
  border-radius: 2px;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.form-note {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.form-grid label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-grid input,
.form-grid textarea,
.form-grid select {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
  color: var(--ink);
  width: 100%;
}

.form-grid textarea { min-height: 8rem; resize: vertical; }
.form-actions { margin-top: 0.5rem; }
.mailto-hint {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-top: 0.75rem;
}

.page-band {
  background: var(--black);
  color: var(--white);
  padding: clamp(2.25rem, 5vw, 3.25rem) 0;
  border-bottom: 3px solid var(--rust);
}

.page-band .lede { color: #d8d2cc; margin-bottom: 0; }

.legal { max-width: 42rem; }
.legal h2 { font-size: 1.25rem; margin-top: 2rem; }
.legal ul { padding-left: 1.25rem; }
.legal li { margin-bottom: 0.4rem; }

/* Footer: dark shell, logo on white plate (Primärlogo) */
.site-footer {
  background: var(--black);
  color: #c8c8c4;
  padding: 2.5rem 0 2rem;
  font-size: 0.9rem;
  border-top: 3px solid var(--rust);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
}

.site-footer a {
  color: #d4d4d1;
  text-decoration: none;
}
.site-footer a:hover { color: var(--white); text-decoration: underline; }

.footer-logo-plate {
  display: inline-block;
  background: var(--white);
  padding: var(--logo-clear);
  margin-bottom: 0.85rem;
}

.footer-logo-plate img {
  height: 36px;
  width: auto;
  min-width: 90px;
}

.footer-brand p { margin: 0.6rem 0 0; max-width: 22rem; }

.footer-nav h3,
.footer-legal h3 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #b8b8b4;
  margin: 0 0 0.75rem;
  font-weight: 700;
}

.footer-nav ul,
.footer-legal ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li,
.footer-legal li { margin-bottom: 0.4rem; }

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid #3a3531;
  font-size: 0.82rem;
}

.mt-0 { margin-top: 0; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}


/* Photos */
.photo {
  margin: 0;
}

.photo picture,
.photo img {
  display: block;
  width: 100%;
  height: auto;
}

.photo img {
  border-radius: 2px;
  background: var(--paper-deep);
}

.photo--band {
  margin-bottom: 2.5rem;
}

.photo--band img {
  max-height: min(28rem, 55vw);
  width: 100%;
  object-fit: cover;
  object-position: center;
}


.section--deep-paper .streckenband-stops li::before,
.section--wash .streckenband-stops li::before {
  background: var(--paper-deep);
}