/* Tourism Road EU — German travel editorial */
:root {
  --treu-ink: #1a2332;
  --treu-ink-soft: #3d4a5c;
  --treu-paper: #f4f0e8;
  --treu-paper-dark: #e8e2d6;
  --treu-alpine: #2c5282;
  --treu-alpine-light: #4a7ab5;
  --treu-copper: #b87333;
  --treu-copper-light: #d4954a;
  --treu-white: #ffffff;
  --treu-shadow: rgba(26, 35, 50, 0.08);
  --treu-shadow-lg: rgba(26, 35, 50, 0.16);
  --treu-radius: 1rem;
  --treu-radius-lg: 1.75rem;
  --treu-font-display: 'Libre Baskerville', Georgia, serif;
  --treu-font-body: 'Karla', system-ui, sans-serif;
  --treu-max: 74rem;
  --treu-header: 4.75rem;
  --treu-ease: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 100%; }

body {
  font-family: var(--treu-font-body);
  font-size: 1.0625rem;
  line-height: 1.72;
  color: var(--treu-ink);
  background: var(--treu-paper);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--treu-alpine); text-decoration: none; transition: color var(--treu-ease); }
a:hover { color: var(--treu-copper); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.treu-container { width: min(100% - 2.5rem, var(--treu-max)); margin-inline: auto; }

h1, .treu-h1 {
  font-family: var(--treu-font-display);
  font-size: clamp(2.1rem, 4.8vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h2, .treu-h2 {
  font-family: var(--treu-font-display);
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.22;
}

h3, .treu-h3 {
  font-family: var(--treu-font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.3;
}

p { margin-bottom: 1.15rem; }
p:last-child { margin-bottom: 0; }

.treu-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--treu-copper);
  margin-bottom: 0.75rem;
}

.treu-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--treu-ink-soft);
  max-width: 38rem;
}

.treu-accent {
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--treu-copper);
  margin: 1rem 0 1.5rem;
}

.treu-accent--center { margin-inline: auto; }

/* Header */
.treu-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--treu-header);
  background: rgba(244, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--treu-ease), box-shadow var(--treu-ease);
}

.treu-header--scrolled {
  border-color: var(--treu-paper-dark);
  box-shadow: 0 4px 24px var(--treu-shadow);
}

.treu-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.treu-logo { display: flex; flex-direction: column; line-height: 1.15; }
.treu-logo__name {
  font-family: var(--treu-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--treu-ink);
}
.treu-logo__tagline {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--treu-ink-soft);
}

.treu-nav { display: flex; gap: 1.75rem; align-items: center; }

.treu-nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--treu-ink-soft);
  position: relative;
  padding: 0.25rem 0;
}

.treu-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--treu-copper);
  transition: width var(--treu-ease);
}

.treu-nav__link:hover,
.treu-nav__link--active { color: var(--treu-ink); }
.treu-nav__link:hover::after,
.treu-nav__link--active::after { width: 100%; }

.treu-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.treu-menu-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--treu-ink);
  transition: transform var(--treu-ease), opacity var(--treu-ease);
}

.treu-menu-toggle--open .treu-menu-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.treu-menu-toggle--open .treu-menu-toggle__bar:nth-child(2) { opacity: 0; }
.treu-menu-toggle--open .treu-menu-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.treu-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--treu-header) + 3rem) 0 4rem;
  overflow: hidden;
}

.treu-hero__bg { position: absolute; inset: 0; z-index: 0; }
.treu-hero__bg img { width: 100%; height: 100%; object-fit: cover; }

.treu-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(165deg, rgba(26,35,50,0.55) 0%, rgba(26,35,50,0.82) 55%, rgba(26,35,50,0.95) 100%);
}

.treu-hero__content {
  position: relative;
  z-index: 2;
  color: var(--treu-white);
  max-width: 42rem;
}

.treu-hero__content .treu-eyebrow { color: var(--treu-copper-light); }
.treu-hero__content h1 { color: var(--treu-white); margin-bottom: 1.25rem; }
.treu-hero__content .treu-lead { color: rgba(255,255,255,0.85); margin-bottom: 2rem; }

.treu-hero--compact {
  min-height: 52vh;
  align-items: center;
}

/* Buttons */
.treu-btn-group { display: flex; flex-wrap: wrap; gap: 1rem; }

.treu-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.65rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
  transition: transform var(--treu-ease), box-shadow var(--treu-ease), background var(--treu-ease);
}

.treu-btn--primary {
  background: var(--treu-copper);
  color: var(--treu-white);
}
.treu-btn--primary:hover { background: var(--treu-copper-light); color: var(--treu-white); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(184,115,51,0.35); }

.treu-btn--outline {
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--treu-white);
}
.treu-btn--outline:hover { border-color: var(--treu-white); color: var(--treu-white); transform: translateY(-2px); }

.treu-btn--dark {
  background: var(--treu-ink);
  color: var(--treu-white);
}
.treu-btn--dark:hover { background: var(--treu-alpine); color: var(--treu-white); transform: translateY(-2px); }

/* Sections */
.treu-section { padding: 5rem 0; }
.treu-section--alt { background: var(--treu-white); }
.treu-section--dark { background: var(--treu-ink); color: var(--treu-white); }
.treu-section--dark h2, .treu-section--dark h3 { color: var(--treu-white); }
.treu-section--dark .treu-lead { color: rgba(255,255,255,0.75); }

.treu-section-head { margin-bottom: 3rem; max-width: 36rem; }
.treu-section-head--center { text-align: center; margin-inline: auto; }

.treu-text-center { text-align: center; }
.treu-mb-lg { margin-bottom: 3rem; }

/* Stats */
.treu-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2.5rem;
  background: var(--treu-white);
  border-radius: var(--treu-radius-lg);
  box-shadow: 0 12px 40px var(--treu-shadow);
}

.treu-stat { text-align: center; padding: 0.5rem; }
.treu-stat__num {
  font-family: var(--treu-font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--treu-alpine);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.treu-stat__label { font-size: 0.82rem; color: var(--treu-ink-soft); line-height: 1.4; }

/* Cards grid */
.treu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.treu-grid--2 { grid-template-columns: repeat(2, 1fr); }

.treu-card {
  background: var(--treu-white);
  border-radius: var(--treu-radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px var(--treu-shadow);
  transition: transform var(--treu-ease), box-shadow var(--treu-ease);
}

.treu-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px var(--treu-shadow-lg); }

.treu-card__img { aspect-ratio: 16/10; overflow: hidden; }
.treu-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.treu-card:hover .treu-card__img img { transform: scale(1.05); }

.treu-card__body { padding: 1.5rem 1.65rem 1.75rem; }
.treu-card__tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--treu-copper);
  margin-bottom: 0.5rem;
}
.treu-card__body h3 { margin-bottom: 0.65rem; }
.treu-card__body p { font-size: 0.95rem; color: var(--treu-ink-soft); margin-bottom: 1rem; }
.treu-card__link { font-size: 0.88rem; font-weight: 600; }

/* Feature split */
.treu-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.treu-split__img {
  border-radius: var(--treu-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px var(--treu-shadow-lg);
}

.treu-split__img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* Timeline / steps */
.treu-steps { display: flex; flex-direction: column; gap: 0; }

.treu-step {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--treu-paper-dark);
}

.treu-step:last-child { border-bottom: none; }

.treu-step__num {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--treu-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--treu-white);
  background: var(--treu-alpine);
  border-radius: 50%;
}

.treu-step h3 { margin-bottom: 0.4rem; }
.treu-step p { font-size: 0.95rem; color: var(--treu-ink-soft); }

/* Route list */
.treu-routes { display: flex; flex-direction: column; gap: 1.25rem; }

.treu-route {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.35rem 1.5rem;
  background: var(--treu-white);
  border-radius: var(--treu-radius);
  border-left: 4px solid var(--treu-copper);
  box-shadow: 0 4px 16px var(--treu-shadow);
}

.treu-route__code {
  font-family: var(--treu-font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--treu-alpine);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.05em;
}

.treu-route__meta { font-size: 0.82rem; color: var(--treu-ink-soft); margin-top: 0.25rem; }
.treu-route__dur {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--treu-copper);
  white-space: nowrap;
}

/* Checklist */
.treu-checklist { display: flex; flex-direction: column; gap: 1rem; }

.treu-check {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.15rem 1.25rem;
  background: var(--treu-paper);
  border-radius: var(--treu-radius);
}

.treu-check__icon {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--treu-alpine);
  color: var(--treu-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.treu-check h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.2rem; }
.treu-check p { font-size: 0.88rem; color: var(--treu-ink-soft); margin: 0; }

/* CTA band */
.treu-cta {
  padding: 4rem;
  text-align: center;
  background: linear-gradient(135deg, var(--treu-alpine) 0%, var(--treu-ink) 100%);
  border-radius: var(--treu-radius-lg);
  color: var(--treu-white);
}

.treu-cta h2 { color: var(--treu-white); margin-bottom: 1rem; }
.treu-cta p { color: rgba(255,255,255,0.8); max-width: 32rem; margin: 0 auto 1.75rem; }

/* Footer */
.treu-footer {
  background: var(--treu-ink);
  color: rgba(255,255,255,0.65);
  padding: 3.5rem 0 2rem;
}

.treu-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.treu-footer__brand .treu-logo__name { color: var(--treu-white); font-size: 1.15rem; }
.treu-footer__brand .treu-logo__tagline { color: rgba(255,255,255,0.45); }
.treu-footer__brand p { font-size: 0.88rem; margin-top: 1rem; line-height: 1.6; }

.treu-footer h4 {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--treu-copper-light);
  margin-bottom: 1rem;
}

.treu-footer a { color: rgba(255,255,255,0.65); font-size: 0.9rem; display: block; margin-bottom: 0.5rem; }
.treu-footer a:hover { color: var(--treu-white); }

.treu-footer__bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Reveal */
.treu-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.treu-reveal--visible { opacity: 1; transform: none; }
.treu-reveal--delay-1 { transition-delay: 0.12s; }
.treu-reveal--delay-2 { transition-delay: 0.24s; }

/* Responsive */
@media (max-width: 960px) {
  .treu-grid, .treu-grid--2 { grid-template-columns: 1fr; }
  .treu-split { grid-template-columns: 1fr; }
  .treu-stats { grid-template-columns: repeat(2, 1fr); }
  .treu-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .treu-menu-toggle { display: flex; }

  .treu-nav {
    position: fixed;
    inset: var(--treu-header) 0 0;
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem;
    gap: 0;
    background: var(--treu-paper);
    transform: translateX(100%);
    transition: transform var(--treu-ease);
  }

  .treu-nav--open { transform: none; }
  .treu-nav__link { font-size: 1.1rem; padding: 1rem 0; border-bottom: 1px solid var(--treu-paper-dark); width: 100%; }

  .treu-hero { min-height: 78vh; }
  .treu-stats { grid-template-columns: 1fr 1fr; padding: 1.5rem; }
  .treu-route { grid-template-columns: 1fr; gap: 0.5rem; }
  .treu-route__code { writing-mode: horizontal-tb; transform: none; }
  .treu-cta { padding: 2.5rem 1.5rem; }
  .treu-footer__grid { grid-template-columns: 1fr; }
}