/* Artner's Bike & Reifenbox — globale Styles (Vanilla CSS, Mobile First) */
:root {
  --color-primary: #05070b;
  --color-secondary: #111820;
  --color-accent: #2563ff;
  --color-bg: #161b22;
  --color-text: #f1f5f9;
  --color-surface: #1a222c;
  --color-surface-elevated: #222b38;
  --color-border: #2d3d52;
  --color-accent-soft: #1a73e8;
  --color-muted: #94a3b8;
  --color-ink-bright: #f8fafc;
  --color-deep: #0b0f14;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 56px;
  --space-7: 96px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --shadow-soft: 0 18px 48px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(37, 99, 255, 0.35), 0 12px 40px rgba(37, 99, 255, 0.22);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --header-h: 72px;
  --z-cookie: 40000;
  --z-cookie-modal: 60000;
  --z-mobile-nav: 50000;
  --z-password: 100000;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover {
  color: var(--color-accent-soft);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: var(--space-2);
  top: var(--space-2);
  z-index: 9990;
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  color: var(--color-ink-bright);
  border-radius: var(--radius-sm);
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

.section {
  padding: var(--space-6) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-7) 0;
  }
}

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

.section--elevated {
  background: var(--color-surface-elevated);
}

.section--deep {
  background: linear-gradient(165deg, var(--color-deep) 0%, var(--color-secondary) 55%, var(--color-primary) 100%);
}

.section__intro {
  max-width: 720px;
  margin-bottom: var(--space-5);
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-ink-bright);
}

h1 {
  font-size: clamp(1.75rem, 5vw, 3.15rem);
  margin: 0 0 var(--space-3);
}

h2 {
  font-size: clamp(1.45rem, 3.5vw, 2.35rem);
  margin: 0 0 var(--space-3);
}

h3 {
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  margin: 0 0 var(--space-2);
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--color-muted);
  margin: 0 0 var(--space-3);
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.hero-gradient-text {
  background: linear-gradient(110deg, var(--color-ink-bright) 0%, var(--color-muted) 45%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  min-width: 48px;
  padding: 0 var(--space-4);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-soft) 100%);
  color: var(--color-ink-bright);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink-bright);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--outline {
  background: var(--color-surface-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-ink-bright);
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn--primary:hover {
    transform: none;
    transition: none;
  }
}

.trust-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-surface));
}

@media (min-width: 768px) {
  .trust-band {
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
  }
}

.trust-band__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-weight: 500;
}

.trust-band__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(37, 99, 255, 0.12);
  color: var(--color-accent);
}

.feature-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 255, 0.45);
  box-shadow: var(--shadow-soft);
}

@media (prefers-reduced-motion: reduce) {
  .feature-card:hover {
    transform: none;
  }
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--color-primary), var(--color-secondary));
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  border: 1px solid var(--color-border);
}

.feature-card__media {
  margin: calc(-1 * var(--space-4)) calc(-1 * var(--space-4)) var(--space-3);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.feature-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 1024px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .split--reverse .split__media {
    order: 2;
  }

  .split--reverse .split__content {
    order: 1;
  }
}

.split__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

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

.steps {
  display: grid;
  gap: var(--space-4);
  position: relative;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.step__num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.9;
  margin-bottom: var(--space-2);
}

.icon-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
}

.icon-list li {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  align-items: flex-start;
}

.icon-list svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--color-accent);
}

.price-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  font-size: 0.95rem;
}

.price-table th,
.price-table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.price-table th {
  background: var(--color-secondary);
  color: var(--color-ink-bright);
}

.price-table tr:last-child td {
  border-bottom: none;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 1 / 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.divider-accent {
  height: 1px;
  width: 100%;
  max-width: 160px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  margin: var(--space-3) 0;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: rgba(37, 99, 255, 0.08);
  color: var(--color-ink-bright);
}

.cta-band {
  position: relative;
  padding: var(--space-6) var(--space-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
}

@media (min-width: 768px) {
  .cta-band {
    padding: var(--space-7) var(--space-4);
  }
}

.cta-band__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.cta-band__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5, 7, 11, 0.92), rgba(17, 24, 32, 0.88));
}

.cta-band__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.scroll-hint {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-4);
  color: var(--color-muted);
  font-size: 0.85rem;
  animation: floaty 2.4s ease-in-out infinite;
}

.scroll-hint svg {
  opacity: 0.7;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-hint {
    animation: none;
  }
}

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

/* ——— Site header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(5, 7, 11, 0.97) 100%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

@media (min-width: 768px) {
  .site-header {
    backdrop-filter: blur(6px);
  }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

@media (min-width: 768px) {
  .site-header__inner {
    padding: 0 var(--space-4);
  }
}

.logo {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--color-ink-bright);
  text-decoration: none;
}

.logo span {
  color: var(--color-accent);
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
  }
}

.desktop-nav a {
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.desktop-nav a:hover {
  color: var(--color-ink-bright);
  background: var(--color-surface);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + var(--space-5)) 0 var(--space-6);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
  /* Mittlere Abdunklung: Foto bleibt sichtbar, Text trotzdem gut lesbar */
  filter: brightness(0.54) contrast(1.04);
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg {
    filter: brightness(0.56) contrast(1.03);
  }
}

.hero__dim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    125deg,
    rgba(5, 7, 11, 0.72) 0%,
    rgba(5, 7, 11, 0.78) 45%,
    rgba(5, 7, 11, 0.74) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55), 0 2px 18px rgba(0, 0, 0, 0.38);
}

.hero__content .hero-gradient-text {
  /* Kein „durchsichtiger“ Gradient-Text: deckende Farbe für maximale Lesbarkeit */
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: var(--color-ink-bright);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.65), 0 2px 24px rgba(0, 0, 0, 0.5);
}

.hero__content .eyebrow {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
}

.hero__actions .btn {
  text-shadow: none;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.hero p {
  max-width: 640px;
  margin: 0 0 var(--space-2);
  color: rgba(241, 245, 249, 0.92);
}

/* ——— Footer ——— */
.site-footer {
  padding: var(--space-6) 0 var(--space-5);
  background: var(--color-primary);
  border-top: 1px solid var(--color-border);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

.site-footer a {
  color: var(--color-muted);
}

.site-footer a:hover {
  color: var(--color-accent);
}

.footer-meta {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ——— FAQ ——— */
.faq details {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-bottom: var(--space-2);
  overflow: hidden;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-3);
  font-weight: 600;
  color: var(--color-ink-bright);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  transform: rotate(-135deg);
}

.faq .faq__body {
  padding: 0 var(--space-3) var(--space-3);
  color: var(--color-muted);
}

/* ——— Password overlay (undurchsichtig) ——— */
.password-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-password);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  background: #05070b;
}

html.artner-unlocked .password-overlay {
  display: none !important;
}

.password-overlay__card {
  width: 100%;
  max-width: 400px;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-secondary);
  box-shadow: var(--shadow-soft);
}

.password-overlay__brand {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.password-overlay input {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  margin-bottom: var(--space-2);
}

.password-overlay .btn {
  width: 100%;
}

.password-overlay__error {
  min-height: 1.25em;
  color: #f87171;
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
}

/* ——— Cookie banner ——— */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-cookie);
  padding: var(--space-3);
  transform: translateY(110%);
  transition: transform 0.35s ease;
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner__box {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-secondary);
  box-shadow: var(--shadow-soft);
}

.cookie-banner__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

@media (min-width: 520px) {
  .cookie-banner__actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
}

.cookie-banner__link {
  background: none;
  border: none;
  color: var(--color-accent);
  text-decoration: underline;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 8px;
  min-height: 44px;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 60000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  background: #111820;
}

.cookie-modal.is-open {
  display: flex;
}

.cookie-modal__dialog {
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.cookie-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-toggle label {
  font-weight: 600;
}

/* ——— Mobile nav (volle Fläche, deckend) ——— */
.mobile-nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-ink-bright);
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-nav__toggle {
    display: none;
  }
}

.mobile-nav__panel {
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile-nav);
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  background: var(--color-bg);
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.3s ease, visibility 0.3s;
}

.mobile-nav__panel.is-open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav__panel a {
  display: block;
  padding: var(--space-3) 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__panel a:hover {
  color: var(--color-accent);
}

.mobile-nav__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.mobile-nav__close {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-secondary);
  color: var(--color-ink-bright);
  cursor: pointer;
}

.trust-section__card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}