/* ==========================================================================
   TOUR REAL 2026 – Spendenaktion
   ==========================================================================
   1.  Reset / Base
   2.  Variables
   3.  Typography
   4.  Layout
   5.  Navigation
   6.  Hero
   7.  Donation Story
   8.  Donation Details
   9.  Route
   10. Sponsors
   11. Footer
   12. Legal Pages
   13. Responsive
   14. Reduced Motion
   ========================================================================== */


/* 1. Reset / Base
   ========================================================================== */

/* Roboto (variabel: Gewicht 100–900, Breite 75–100 %), lokal gehostet,
   auf lateinische Zeichen reduziert. Lizenz: SIL Open Font License 1.1 */
@font-face {
  font-family: "Roboto";
  src: url("assets/fonts/roboto-variable-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 75% 100%;
  font-style: normal;
  font-display: swap;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ul, dl, dd, figure {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

section[id] {
  scroll-margin-top: var(--header-h);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--color-white);
  color: var(--color-black);
  font-size: var(--text-small);
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}


/* 2. Variables
   ========================================================================== */

:root {
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray: #8c8c8c;          /* Sekundärtext auf Schwarz */
  --color-gray-dark: #595959;     /* Sekundärtext auf Weiß */
  --color-text-light: #1f1f1f;    /* Fließtext auf Weiß */

  --line-on-dark: rgba(255, 255, 255, 0.16);
  --line-on-light: rgba(10, 10, 10, 0.14);

  --font-heading: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --text-body: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-small: 0.875rem;
  --text-label: 0.75rem;

  --max-width: 90rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --section-spacing: clamp(4.5rem, 2.5rem + 8vw, 10rem);
  --header-h: 4rem;

  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* Farbwelten der Sektionen */
.theme-dark {
  --bg: var(--color-black);
  --fg: var(--color-white);
  --muted: var(--color-gray);
  --line: var(--line-on-dark);
  background: var(--bg);
  color: var(--fg);
}

.theme-light {
  --bg: var(--color-white);
  --fg: var(--color-black);
  --muted: var(--color-gray-dark);
  --line: var(--line-on-light);
  background: var(--bg);
  color: var(--fg);
}


/* 3. Typography
   ========================================================================== */

.headline {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 1.3rem + 3vw, 4.25rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.025em;
  max-width: 17em;
  text-wrap: balance;
}

.headline--xl {
  font-size: clamp(2.75rem, 1.4rem + 6.2vw, 7.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.section-label {
  font-size: var(--text-label);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  font-size: clamp(1.25rem, 1.05rem + 0.85vw, 1.75rem);
  line-height: 1.4;
  letter-spacing: -0.012em;
  color: var(--fg);
}


/* 4. Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.grid {
  display: grid;
  gap: 1.5rem;
}

/* Optionale Assets: Bild wird erst angezeigt, wenn es geladen werden konnte
   (siehe script.js). Bis dahin – oder ohne Datei – greift der Fallback. */
.asset-slot:not(.has-asset) [data-asset],
.asset-slot.has-asset [data-fallback] {
  display: none;
}


/* 5. Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-black);
  color: var(--color-white);
  border-bottom: 1px solid var(--line-on-dark);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.nav__brand,
.footer__brand {
  display: block;
  text-decoration: none;
}

.nav__brand {
  padding-block: 0.625rem;
}

.nav__brand img,
.footer__brand img {
  width: auto;
  height: 2.125rem;
}

.nav__toggle {
  min-height: 44px;
  margin-right: -0.75rem;
  padding: 0 0.75rem;
  border: 0;
  background: none;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Mobile: einfaches Aufklapp-Panel unter der Leiste */
.nav__menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 0.5rem var(--gutter) 1.5rem;
  background: var(--color-black);
  border-bottom: 1px solid var(--line-on-dark);
}

.nav__menu.is-open {
  display: block;
}

.nav__list a {
  display: block;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line-on-dark);
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nav__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  margin-top: 1.5rem;
  padding: 0 1.5rem;
  background: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-white);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Ohne JavaScript: Menü offen darstellen */
.no-js .nav {
  flex-wrap: wrap;
}

.no-js .nav__toggle {
  display: none;
}

.no-js .nav__menu {
  display: block;
  position: static;
  width: 100%;
  padding-inline: 0;
  border: 0;
}


/* 6. Hero
   ========================================================================== */

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100svh - var(--header-h));
  padding-block: clamp(3rem, 8vh, 5rem) clamp(5.5rem, 12vh, 7.5rem);
  text-align: center;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.25rem, 3.4vh, 2.5rem);
}

.hero__barbaro img {
  width: clamp(12rem, min(24vw + 4rem, 36vh), 23rem);
}

.hero__times {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.75rem);
  font-weight: 200;
  line-height: 1;
  color: var(--muted);
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.25rem, 3vh, 2rem);
  font-weight: inherit;
}

.wordmark {
  display: block;
  width: clamp(12rem, min(58vw, 30vh), 25rem);
}

.wordmark img {
  width: 100%;
}

.hero__campaign {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: clamp(0.8125rem, 0.75rem + 0.4vw, 1.0625rem);
  font-weight: 500;
  letter-spacing: 0.45em;
  text-transform: uppercase;
}

/* feine Linien links/rechts; margin gleicht das Letter-Spacing optisch aus */
.hero__campaign::before,
.hero__campaign::after {
  content: "";
  width: clamp(1.5rem, 4vw, 3.5rem);
  height: 1px;
  background: var(--line);
}

.hero__campaign::after {
  margin-left: -0.45em;
}

.hero__organizers {
  max-width: 40rem;
  font-size: clamp(0.6875rem, 0.64rem + 0.25vw, 0.8125rem);
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-wrap: balance;
}

.hero__beneficiary {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
  margin-top: clamp(0.25rem, 1vh, 1rem);
}

.hero__for {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__lid img {
  width: auto;
  max-width: min(100%, 22rem);
  max-height: clamp(3rem, 9vh, 5.5rem);
}

.hero__lid-text {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.hero__cue {
  position: absolute;
  left: 50%;
  bottom: clamp(1.25rem, 3vh, 2rem);
  display: flex;
  justify-content: center;
  width: 44px;
  padding-block: 0.5rem;
  transform: translateX(-50%);
  color: var(--muted);
  transition: color 0.25s ease;
}

.hero__cue::after {
  content: "";
  width: 1px;
  height: clamp(2rem, 5vh, 3rem);
  background: currentColor;
  transform-origin: top;
}

.hero__cue:hover {
  color: var(--fg);
}


/* 7. Donation Story
   ========================================================================== */

.story__text {
  display: grid;
  gap: 1.5rem;
  max-width: 40rem;
  margin-top: clamp(2rem, 1.5rem + 2.5vw, 4rem);
  color: var(--color-text-light);
}


/* 8. Donation Details
   ========================================================================== */

.donate__body {
  display: grid;
  gap: 2.5rem;
  margin-top: clamp(2.5rem, 1.5rem + 4vw, 5rem);
}

.bank {
  border-top: 1px solid var(--line);
}

.bank__row {
  display: grid;
  gap: 0.375rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.bank dt {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.bank dd {
  font-size: clamp(1.0625rem, 0.98rem + 0.45vw, 1.375rem);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.bank__value--mono {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.bank__iban {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.copy-btn,
.lightbox__close {
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--line-on-dark);
  background: transparent;
  color: var(--color-white);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.copy-btn:hover,
.copy-btn.is-copied,
.lightbox__close:hover {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-black);
}

/* Ruhezone (weißer Rand) ist im Bild enthalten */
.donate__qr img {
  width: 11rem;
  image-rendering: pixelated;
}

.donate__qr figcaption {
  max-width: 11rem;
  margin-top: 0.875rem;
  font-size: var(--text-label);
  line-height: 1.5;
  color: var(--muted);
}

.donate__note {
  max-width: 40rem;
  margin-top: 2.5rem;
  font-size: var(--text-small);
  line-height: 1.65;
  color: var(--muted);
}

.donate__note a {
  color: var(--fg);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}


/* 9. Route
   ========================================================================== */

/* folgt direkt auf den dunklen Spendenbereich */
.route {
  border-top: 1px solid var(--line);
}

.route__figure {
  margin-top: clamp(2.5rem, 1.5rem + 4vw, 5rem);
}

.route__zoom {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: clamp(1rem, 2vw, 1.5rem);
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}

.route__zoom img {
  align-self: center;
  width: auto;
  max-height: 85vh;
}

.route__hint {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.route__zoom:hover .route__hint {
  border-color: var(--fg);
  color: var(--fg);
}

/* Lightbox (natives <dialog>) */
.lightbox {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 4.5rem var(--gutter) var(--gutter);
  border: 0;
  background: rgba(10, 10, 10, 0.97);
  color: var(--color-white);
}

.lightbox[open] {
  display: grid;
  place-items: center;
}

.lightbox::backdrop {
  background: rgba(10, 10, 10, 0.6);
}

.lightbox__img {
  width: auto;
  max-height: calc(100vh - 6rem);
  max-height: calc(100dvh - 6rem);
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: var(--gutter);
}

html:has(.lightbox[open]) {
  overflow: hidden;
}


/* 10. Sponsors
   ========================================================================== */

/* Zwei vollflächige Bänder: Weiß auf Schwarz (nach links),
   Schwarz auf Weiß (nach rechts). Jede Reihe enthält drei identische
   Gruppen, die sich um genau eine Gruppenbreite verschieben – dadurch
   entsteht eine Endlosschleife ohne sichtbaren Sprung. */
.partners {
  padding-bottom: 0;
}

.marquees {
  margin-top: clamp(3rem, 2rem + 4vw, 5.5rem);
}

.marquee {
  --gap: clamp(2.5rem, 1.75rem + 2.5vw, 4.5rem);
  --logo-h: clamp(2.75rem, 2.2rem + 2vw, 4.5rem);
  display: flex;
  gap: var(--gap);
  overflow: hidden;
  padding-block: clamp(1.75rem, 1.25rem + 2vw, 3rem);
}

.marquee--dark {
  --marquee-duration: 50s;
  background: var(--color-black);
}

.marquee--light {
  --marquee-duration: 56s;
  background: var(--color-white);
}

.marquee__group {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--gap);
  animation: marquee var(--marquee-duration) linear infinite;
}

.marquee--reverse .marquee__group {
  animation-direction: reverse;
}

.marquee__group li {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  height: calc(var(--logo-h) * 1.1);
}

/* --s: optischer Größenausgleich je Logo (im HTML gesetzt) */
.marquee img {
  width: auto;
  max-width: none;
  height: calc(var(--logo-h) * var(--s, 1));
}

/* erzwingt reines Weiß; die schwarzen Logos werden unverändert gezeigt,
   da manche (z. B. Peeroton) weiße Aussparungen enthalten */
.marquee--dark img {
  filter: brightness(0) invert(1);
}

@keyframes marquee {
  to {
    transform: translateX(calc(-100% - var(--gap)));
  }
}


/* 11. Footer
   ========================================================================== */

.footer {
  display: grid;
  gap: 1.25rem;
  padding-block: 2.5rem 3rem;
  border-top: 1px solid var(--line);
}

.footer__links {
  display: flex;
  gap: 2rem;
}

.footer__links a,
.footer__copy {
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer__links a {
  display: inline-block;
  padding-block: 0.75rem;
  text-decoration: none;
  color: var(--fg);
}

.footer__links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.4em;
}

.footer__copy {
  color: var(--muted);
}


/* 12. Legal Pages (Impressum, Datenschutz)
   ========================================================================== */

.nav__back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
}

.nav__back::before {
  content: "←";
  margin-right: 0.625rem;
  letter-spacing: 0;
}

.nav__back:hover {
  text-decoration: underline;
  text-underline-offset: 0.4em;
}

.legal__content {
  max-width: 46rem;
  color: var(--color-text-light);
}

.legal__content .headline {
  color: var(--fg);
}

.legal__intro {
  margin-top: 1.5rem;
  color: var(--muted);
}

.legal__content h2 {
  margin-top: clamp(3rem, 2.5rem + 2vw, 4.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.875rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--fg);
}

.legal__content h3 {
  margin-top: 2.25rem;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--fg);
}

.legal__content p,
.legal__content ul,
.legal__content address,
.legal__content .facts {
  margin-top: 1rem;
}

.legal__content ul {
  padding-left: 1.25em;
  list-style: disc;
}

.legal__content li + li {
  margin-top: 0.5rem;
}

.legal__content a {
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.legal__address {
  font-style: normal;
}

.facts {
  border-top: 1px solid var(--line);
}

.facts__row {
  display: grid;
  gap: 0.25rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
}

.facts dt {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts dd {
  margin: 0;
}

.legal__date {
  margin-top: 3.5rem;
  font-size: var(--text-small);
  color: var(--muted);
}

.footer__links a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.4em;
}


/* 13. Responsive
   ========================================================================== */

@media (min-width: 600px) {
  .facts__row {
    grid-template-columns: 14rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.5rem;
  }

  .bank__row {
    grid-template-columns: 11rem minmax(0, 1fr);
    align-items: baseline;
    gap: 2rem;
    padding-block: 1.5rem;
  }
}

@media (min-width: 768px) {
  .hero__organizers {
    letter-spacing: 0.22em;
  }

  .donate__body {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: clamp(2.5rem, 5vw, 5rem);
  }

  .footer {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    column-gap: 3.5rem;
  }
}

@media (min-width: 960px) {
  :root {
    --header-h: 4.5rem;
  }

  .nav__toggle {
    display: none;
  }

  .nav__menu,
  .no-js .nav__menu {
    position: static;
    display: flex;
    align-items: center;
    gap: 2.75rem;
    width: auto;
    padding: 0;
    border: 0;
    background: none;
  }

  .no-js .nav {
    flex-wrap: nowrap;
  }

  .nav__list {
    display: flex;
    gap: 2.25rem;
  }

  .nav__list a {
    position: relative;
    padding-block: 0.75rem;
    border: 0;
    font-family: var(--font-body);
    font-size: var(--text-label);
    letter-spacing: 0.18em;
    text-transform: uppercase;
  }

  .nav__list a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0.18em;
    bottom: 0.5rem;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease-out);
  }

  .nav__list a:hover::after {
    transform: scaleX(1);
  }

  .nav__cta {
    min-height: 2.75rem;
    margin-top: 0;
    padding: 0 1.25rem;
    background: transparent;
    color: var(--color-white);
  }

  .nav__cta:hover {
    background: var(--color-white);
    color: var(--color-black);
  }
}

@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 2rem;
  }

  .section-label {
    grid-column: 1 / 4;
    padding-top: 0.9em;
  }

  .story__content,
  .legal__content,
  .donate__content,
  .route__title,
  .partners__title {
    grid-column: 4 / 13;
  }
}


/* 14. Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  .hero__item {
    animation: rise 1s var(--ease-out) both;
    animation-delay: calc(var(--i, 0) * 120ms + 100ms);
  }

  .hero__cue::after {
    animation: cue 2.4s var(--ease-out) infinite;
  }

  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(14px);
    }
  }

  @keyframes cue {
    0%   { transform: scaleY(0); transform-origin: top; }
    45%  { transform: scaleY(1); transform-origin: top; }
    55%  { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__group {
    flex-shrink: 1;
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 2rem;
    width: 100%;
    padding-inline: var(--gutter);
    animation: none;
  }

  .marquee__group[aria-hidden="true"] {
    display: none;
  }
}