/* =========================================================
   RRS Event Rent – Styles
   ========================================================= */

:root {
  /* RRS-Markenpalette aus Sponsoren-Guide: pures Schwarz/Weiß
     Mit stärker abgestuften Greys für bessere Tiefenwirkung */
  --bg: #131416;            /* Seitenhintergrund (tiefes Anthrazit) */
  --bg-2: #1f2124;          /* Sektion-Hintergrund (heller, hebt sich ab) */
  --bg-3: #2a2c30;          /* Card-Hintergrund (deutlich heller) */
  --bg-4: #353840;          /* Highlight-Background (z.B. hover) */
  --line: #3a3d42;          /* Trennlinien (sichtbarer) */
  --line-strong: #555861;   /* Stärkere Trennlinien für Hervorhebung */
  --fg: #ffffff;            /* Primärtext */
  --fg-soft: #c5c7cb;       /* Sekundärtext (heller als vorher) */
  --fg-muted: #8e9196;      /* Tertiärtext */
  --accent: #ffffff;        /* Akzent = Weiß (Brand) */
  --accent-soft: #f0f0f0;   /* Heller Akzent */
  --shadow-lg: 0 24px 60px rgba(0,0,0,.55);
  --shadow-sm: 0 4px 16px rgba(0,0,0,.35);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 18px 40px rgba(0,0,0,.45);
  --container: 1240px;
  --font-display: 'Anton', 'Impact', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --t: .25s ease;
}

/* ----- Reset ----- */
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.05;
  text-transform: uppercase;
  margin: 0 0 .4em;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.4rem); }
h2 { font-size: clamp(2.2rem, 4.5vw, 4rem); }
h3 { font-size: 1.4rem; letter-spacing: .04em; }
h4 { font-size: 1rem; letter-spacing: .12em; }
p { margin: 0 0 1em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .25em;
  font-size: .75rem;
  font-weight: 600;
  color: var(--fg);
  margin: 0 0 1rem;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.accent {
  color: var(--fg);
  position: relative;
  display: inline-block;
  padding: 0 4px;
}
.accent::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 6px;
  background: rgba(255,255,255,0.12);
  z-index: -1;
}
.lead {
  color: var(--fg-soft);
  font-size: 1.075rem;
  max-width: 900px;
}
.lead--narrow { max-width: 720px; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .03em;
  transition: transform var(--t), background var(--t), color var(--t), border-color var(--t);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--fg);
  color: #161719;
}
.btn--primary:hover { background: #e6e6e6; }
.btn--outline {
  background: transparent;
  color: var(--fg);
  border-color: var(--fg);
}
.btn--outline:hover { background: var(--fg); color: #161719; }
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--fg); color: var(--fg); }
.btn--sm { padding: 10px 16px; font-size: .85rem; }
.btn--large { padding: 18px 32px; font-size: 1.05rem; }
.btn--added {
  background: #2a2c30 !important;
  color: var(--fg) !important;
  border-color: var(--line-strong) !important;
}

/* ----- Nav ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(22,23,25,.86);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: .15em;
}
.nav__logo img { height: 34px; width: auto; }
.nav__links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav__links a {
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--fg-soft);
  transition: color var(--t);
}
.nav__links a:hover { color: var(--fg); }
.nav__cta { margin-left: 8px; }
.nav__burger {
  display: none;
  background: none; border: 0;
  width: 32px; height: 32px;
  padding: 0;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 24px; height: 2px;
  margin: 5px auto;
  background: var(--fg);
  transition: transform var(--t), opacity var(--t);
}

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 60px 24px 120px;
  overflow: hidden;
  isolation: isolate;
}
.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -2;
  filter: grayscale(20%) brightness(0.55);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.0); }
  to   { transform: scale(1.08); }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg,
      rgba(22,23,25,0.55) 0%,
      rgba(22,23,25,0.45) 35%,
      rgba(22,23,25,0.75) 75%,
      rgba(22,23,25,1.0)  100%),
    linear-gradient(90deg,
      rgba(22,23,25,0.6) 0%,
      rgba(22,23,25,0.0) 60%);
}
.hero__content {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  z-index: 1;
}
.hero__lead {
  max-width: 640px;
  font-size: 1.1rem;
  color: var(--fg-soft);
  margin-top: 1.5rem;
}
.hero__cta {
  display: flex;
  gap: 12px;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.hero__stats {
  display: flex;
  gap: 60px;
  margin-top: 4rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 2.5rem;
}
.hero__stats div {
  display: flex;
  flex-direction: column;
}
.hero__stats strong {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  color: var(--fg);
}
.hero__stats span {
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .8rem;
  margin-top: 8px;
}

/* ----- Featured Events Strip ----- */
.featured {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 50px 0;
  overflow: hidden;
}
.featured__label {
  text-align: center;
  margin: 0 0 28px;
  font-size: .75rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.featured__strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.featured__strip figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  aspect-ratio: 1 / 1;
  cursor: pointer;
  transition: transform var(--t);
}
.featured__strip figure:hover { transform: translateY(-4px); }
.featured__strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(35%);
  transition: filter var(--t), transform var(--t);
}
.featured__strip figure:hover img {
  filter: grayscale(0%);
  transform: scale(1.06);
}
.featured__strip figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px 12px 10px;
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--fg);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.85));
  text-align: center;
}

/* ----- Sections ----- */
.section {
  padding: 110px 0;
  border-top: 1px solid var(--line);
}
.section--dark { background: var(--bg-2); border-top: 1px solid var(--line-strong); }

/* ----- About / Features ----- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 3rem;
}
.feature {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), border-color var(--t), background var(--t);
}
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: var(--bg-4);
}
.feature__icon {
  width: 52px;
  height: 52px;
  margin-bottom: 1.2rem;
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: background var(--t), border-color var(--t), color var(--t);
}
.feature__icon svg {
  width: 32px;
  height: 32px;
  display: block;
}
.feature:hover .feature__icon {
  background: var(--fg);
  color: #131416;
  border-color: var(--fg);
}
.feature h3 {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  font-size: 1.25rem;
  margin-bottom: .5rem;
}
.feature p { color: var(--fg-soft); margin: 0; }

/* ----- Katalog Grid ----- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 3rem;
}
.card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t), background var(--t);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  background: var(--bg-4);
  box-shadow: var(--shadow-lg);
}
.card__media {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-image:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.04), transparent 60%);
}
.card__media svg {
  width: 70%;
  height: 70%;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,.4));
}
.card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card__cat {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--fg-soft);
  margin-bottom: 8px;
}
.card h3 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 700;
  margin: 0 0 .5rem;
}
.card p {
  font-size: .92rem;
  color: var(--fg-soft);
  flex: 1;
  margin: 0 0 1.2rem;
}
.card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.card__price strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #fff;
}
.card__price span {
  display: block;
  font-size: .72rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: .12em;
}
.katalog__hint {
  text-align: center;
  margin-top: 3rem;
  color: var(--fg-muted);
  font-size: .95rem;
}

/* ----- Anfrage / Form ----- */
.anfrage { background: var(--bg); }
.form {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px 40px;
  margin-top: 3rem;
  align-items: start;
}
/* Linke Spalte: alle Form-Sektionen gestapelt */
.form__main {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0; /* damit innere Grids nicht ueberlaufen */
}
.form__section {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.form__section h3 {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 1.2rem;
  color: var(--fg);
}
.form__section h3::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--fg);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
}

/* Item-Liste */
.items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.item {
  background: var(--bg-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  transition: border-color var(--t), background var(--t);
}
.item:hover { border-color: var(--line-strong); }
.item--flash { animation: flash 0.8s ease; }
@keyframes flash {
  0% { background: rgba(255,255,255,.18); border-color: var(--fg); }
  100% { background: var(--bg-4); border-color: var(--line); }
}
.item__head strong {
  display: block;
  font-size: .95rem;
}
.item__head span {
  font-size: .78rem;
  color: var(--fg-muted);
}
.item__qty {
  display: flex;
  align-items: center;
  gap: 6px;
}
.qty__btn {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  color: var(--fg);
  font-size: 1.1rem;
  line-height: 1;
  transition: border-color var(--t), color var(--t), background var(--t);
}
.qty__btn:hover { background: var(--fg); color: #131416; border-color: var(--fg); }
.item__qty input {
  width: 48px;
  text-align: center;
  padding: 6px 0;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--fg);
  font-weight: 600;
}
.item__qty input::-webkit-outer-spin-button,
.item__qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.item__qty input[type=number] { -moz-appearance: textfield; }

/* Form Rows */
.form__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}
.form label {
  display: block;
}
.form label.full { display: block; margin-bottom: 14px; }
.form label > span {
  display: block;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 6px;
}
.form input,
.form textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--fg);
  padding: 12px 14px;
  font: inherit;
  transition: border-color var(--t), background var(--t);
}
.form input:hover,
.form textarea:hover { border-color: var(--fg-muted); }
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--fg);
  background: var(--bg-3);
}

/* Switch (Aufbau-Service) */
.switch {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  cursor: pointer;
  user-select: none;
}
.switch input { display: none; }
.switch__track {
  width: 50px; height: 28px;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  position: relative;
  transition: background var(--t), border-color var(--t);
  flex-shrink: 0;
  margin-top: 2px;
}
.switch__dot {
  position: absolute;
  top: 2px; left: 2px;
  width: 22px; height: 22px;
  background: var(--fg);
  border-radius: 50%;
  transition: transform var(--t);
}
.switch input:checked + .switch__track {
  background: var(--fg);
  border-color: var(--fg);
}
.switch input:checked + .switch__track .switch__dot {
  transform: translateX(22px);
  background: #161719;
}
.switch__label strong { display: block; font-size: 1rem; }
.switch__label small { display: block; color: var(--fg-muted); font-size: .85rem; line-height: 1.5; margin-top: 4px; }

/* Summary */
.summary {
  position: sticky;
  top: 100px;
  align-self: start;
  background: linear-gradient(180deg, var(--bg-4), var(--bg-3));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.summary h3 {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 1rem;
}
.summary ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  border-top: 1px solid var(--line);
}
.summary li {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: .92rem;
}
.summary li.empty {
  color: var(--fg-muted);
  font-style: italic;
  justify-content: center;
  border-bottom: 0;
}
.summary__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  color: var(--fg-soft);
  font-size: .92rem;
}
.summary__row strong { color: var(--fg); font-weight: 600; }
.summary__row--total {
  border-top: 1px solid var(--line);
  margin-top: 8px;
  padding-top: 16px;
  font-size: 1.1rem;
}
.summary__row--total strong {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--fg);
  letter-spacing: .03em;
}
.summary__note {
  font-size: .75rem;
  color: var(--fg-muted);
  margin: 1.2rem 0 0;
  line-height: 1.5;
}

/* Submit */
.form__submit {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-top: 8px;
}
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--fg-soft);
}
.check input { width: 18px; height: 18px; accent-color: var(--fg); }
.check a { color: var(--fg); text-decoration: underline; }
.form__success {
  grid-column: 1 / -1;
  background: rgba(34, 197, 94, .12);
  border: 1px solid rgba(34, 197, 94, .35);
  color: #4ade80;
  padding: 16px 22px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* ----- Footer ----- */
.footer {
  background: #0c0d0f;
  border-top: 1px solid var(--line);
  padding: 70px 0 24px;
  color: var(--fg-soft);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer__brand img { height: 44px; width: auto; margin-bottom: 14px; }
.footer__brand p { font-size: .92rem; max-width: 280px; }
.footer__brand a { color: var(--fg); text-decoration: underline; }
.footer h4 {
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .85rem;
  color: var(--fg);
  margin-bottom: 1rem;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: .5rem; }
.footer a:hover { color: var(--fg); }
.footer__bottom {
  border-top: 1px solid var(--line);
  margin-top: 60px;
  padding-top: 24px;
  text-align: center;
  font-size: .85rem;
  color: var(--fg-muted);
}

/* ----- Responsive ----- */
@media (max-width: 980px) {
  .features { grid-template-columns: 1fr 1fr; }
  .form { grid-template-columns: 1fr; gap: 24px; }
  .summary {
    position: static;
    align-self: stretch;
  }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .featured__strip { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .featured__strip { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .featured__strip figcaption { font-size: .65rem; padding: 18px 8px 8px; }
  .nav__links {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    flex-direction: column;
    gap: 12px;
    min-width: 220px;
    margin: 8px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t), transform var(--t);
  }
  .nav__links.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__cta { display: none; }
  .nav__burger { display: block; }
  .features { grid-template-columns: 1fr; }
  .items { grid-template-columns: 1fr; }
  .hero { min-height: 80vh; padding: 40px 16px 80px; }
  .hero__stats { gap: 30px; }
  .hero__stats strong { font-size: 2.2rem; }
  .section { padding: 70px 0; }
  .footer__inner { grid-template-columns: 1fr; }
}