/* Scroll offset for fixed nav (56px height) */
section[id] {
  scroll-margin-top: 56px;
}

/* ===================== HERO ===================== */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--off-white);
  padding: 0;
  overflow: hidden;
}

.hero-content {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--container-padding);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.hero-text {
  padding-left: 2vw;
}

.hero-text .label {
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

.hero-text h1 {
  margin-bottom: var(--space-sm);
  color: var(--blue);
}

.hero-text .subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--mid);
}

.hero-note {
  font-size: 0.88rem;
  color: var(--mid);
  max-width: 400px;
  line-height: 1.65;
  margin-top: 1rem;
  margin-bottom: 0;
}

.hero-location {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  opacity: 0.7;
  transition: opacity var(--duration-fast);
}
.hero-location:hover { opacity: 1; }

.location-link {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--duration-fast);
}
.location-link:hover { opacity: 0.7; }

.hero-poster {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-poster img {
  max-height: 75vh;
  width: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  transition: filter 0.4s;
}

.hero-poster img:hover {
  filter: saturate(1.2) contrast(1.05);
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--space-lg);
    gap: var(--space-md);
  }
  .hero-poster { order: -1; }
  .hero-poster img { max-height: 50vh; }
  .hero-text { padding-left: 0; }
}

/* ===================== INFO ===================== */
.info-section {
  background: var(--cream);
  position: relative;
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.info-card {
  background: var(--off-white);
  padding: var(--space-md);
  border: 2px solid var(--blue);
  border-radius: var(--radius-md);
  transition: transform var(--duration-fast) var(--ease-out);
}

.info-card:hover {
  transform: translateY(-4px);
}

.info-card .card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.info-card h4 {
  margin-bottom: var(--space-xs);
}

.info-card p {
  color: var(--mid);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===================== ZEITPLAN ===================== */
.zeitplan-section {
  background: var(--off-white);
  position: relative;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: clamp(24px, 8vw, 40px);
}

.timeline::before {
  content: '';
  position: absolute;
  left: clamp(9px, 3vw, 15px);
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--blue);
  border-radius: 2px;
  z-index: 0;
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-md);
  padding-left: var(--space-md);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: clamp(-22px, -7vw, -30px);
  top: 8px;
  width: 14px;
  height: 14px;
  background: var(--orange);
  border: 3px solid var(--blue);
  border-radius: 50%;
  z-index: 1;
}

.timeline-day {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: 0.25rem;
}

.timeline-time {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.timeline-desc {
  color: var(--mid);
  line-height: 1.6;
}

.timeline-item.highlight {
  background: var(--cream);
  margin-left: -8px;
  padding: var(--space-sm) var(--space-md) var(--space-sm) calc(var(--space-md) + 8px);
  border-radius: var(--radius-md);
}
.timeline-item.highlight::before {
  left: -22px;
}

.timeline-group-header {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--blue);
  background: var(--orange);
  color: var(--white);
  display: inline-block;
  padding: 0.2em 0.7em;
  border-radius: var(--radius-sm);
  margin: 2rem 0 1rem -40px;
}
.timeline-group-header:first-child { margin-top: 0; }

.timeline-group-header--main {
  font-size: 1.15rem;
  background: var(--blue);
  margin-top: 2.5rem;
}

.timeline-day-collapsible {
  display: block;
  margin-left: -40px;
}
.timeline-day-collapsible > summary.timeline-group-header {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  margin: 1.5rem 0 0 0;
  user-select: none;
}
.timeline-day-collapsible > summary::-webkit-details-marker { display: none; }
.timeline-day-collapsible:first-child > summary.timeline-group-header { margin-top: 0; }
.tl-chevron {
  font-size: 0.9rem;
  transition: transform var(--duration-fast) var(--ease-out);
  display: inline-block;
  line-height: 1;
}
.timeline-day-collapsible[open] .tl-chevron { transform: rotate(90deg); }
.timeline-day-collapsible > .timeline-item { margin-left: 40px; }

.anmeldung-deadline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-sm);
}

.tl-preview {
  display: block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: normal;
  text-transform: none;
  letter-spacing: 0;
  color: rgba(255,255,255,0.75);
  margin-top: 0.15em;
}

/* ===================== ANREISE FORM ===================== */
.anreise-section {
  background: var(--cream);
  position: relative;
}

.anreise-form {
  max-width: 600px;
  margin: 0 auto;
}

.conditional-field {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s var(--ease-out), opacity 0.3s;
}

.conditional-field.show {
  max-height: 200px;
  opacity: 1;
}

/* ===================== MITBRING-LISTE ===================== */
.mitbring-section {
  background: var(--blue);
  color: var(--off-white);
  position: relative;
}

.mitbring-section .section-header h2 {
  color: var(--off-white);
}

.mitbring-section .label {
  color: var(--cream);
}

#mitbringListe {
  min-height: 400px;
}

.mitbring-category {
  margin-bottom: var(--space-lg);
}

.mitbring-category h3 {
  color: var(--cream);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid rgba(255,255,255,0.2);
}

.mitbring-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  transition: background var(--duration-fast);
}

.mitbring-item:hover {
  background: rgba(255,255,255,0.12);
}

.mitbring-item.claimed {
  opacity: 0.5;
}

.mitbring-item.claimed .item-name {
  text-decoration: line-through;
}

.item-name {
  flex: 1;
  font-size: 1rem;
}

.item-claimed-by {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cream);
  opacity: 0.8;
}

.claim-btn {
  padding: 0.4rem 1rem;
  background: var(--orange);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background var(--duration-fast);
}

.claim-btn:hover {
  background: var(--orange-hover);
}

.claim-inline {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  flex: 1 1 100%;
}

.claim-inline input {
  padding: 0.4rem 0.8rem;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  color: var(--white);
  font-size: 0.85rem;
  flex: 1 1 120px;
  min-width: 0;
}

.claim-inline input::placeholder {
  color: rgba(255,255,255,0.4);
}

/* Per-category add idea */
.add-idea-row {
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.add-idea-trigger {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 0.3rem 0;
  transition: color var(--duration-fast);
}

.add-idea-trigger:hover {
  color: var(--orange);
}

.add-idea-form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.add-idea-form input {
  flex: 1 1 120px;
  min-width: 0;
  padding: 0.4rem 0.8rem;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 0.85rem;
}

.add-idea-form input::placeholder {
  color: rgba(255,255,255,0.7);
}

/* Toast notification */
.mitbring-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: var(--blue);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--orange);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2000;
  white-space: nowrap;
}

.mitbring-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.add-item-form {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  border: 2px dashed rgba(255,255,255,0.2);
}

.add-item-form h4 {
  color: var(--cream);
  margin-bottom: var(--space-sm);
}

.add-item-form .form-group label {
  color: var(--cream);
}

.add-item-form .form-group input,
.add-item-form .form-group select {
  color: var(--white);
  border-bottom-color: rgba(255,255,255,0.4);
}

.add-item-form .form-group input:focus,
.add-item-form .form-group select:focus {
  border-bottom-color: var(--orange);
}

.mitbring-loading,
.mitbring-error {
  text-align: center;
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cream);
  opacity: 0.7;
  transition: opacity var(--duration-fast);
}
.refresh-btn:hover { opacity: 1; }

/* ===================== FAQ ===================== */
.faq-section {
  background: var(--off-white);
  position: relative;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 2px solid var(--blue);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--blue);
  transition: color var(--duration-fast);
}

.faq-item summary:hover {
  color: var(--orange);
}

.faq-item summary .chevron {
  width: 24px;
  height: 24px;
  transition: transform var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
  margin-left: var(--space-sm);
}

.faq-item[open] summary .chevron {
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item[open] .faq-answer {
  grid-template-rows: 1fr;
}
.faq-answer-inner {
  overflow: hidden;
  padding-bottom: var(--space-md);
  color: var(--mid);
  line-height: 1.7;
}

.faq-answer a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===================== LAGEPLAN ===================== */
.lageplan-section {
  background: var(--cream);
  position: relative;
}

.lageplan-placeholder {
  max-width: 900px;
  margin: 0 auto;
  aspect-ratio: 16/10;
  border: 3px dashed var(--blue);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--blue);
  opacity: 0.6;
}

.lageplan-placeholder svg {
  width: 60px;
  height: 60px;
}

.lageplan-placeholder p {
  font-family: var(--font-mono);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: var(--blue);
  color: var(--cream);
  text-align: center;
  padding: var(--space-lg) var(--container-padding);
}

.footer-names {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.footer-date {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

.footer-heart {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--orange);
}

.footer-impressum {
  font-size: 0.75rem;
  opacity: 0.5;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ===================== NAV ===================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 248, 244, 0.97);
  border-bottom: 2px solid var(--blue);
  transform: translateY(-100%);
  transition: transform var(--duration-fast) var(--ease-out);
  padding: 0 var(--container-padding);
}
@media (min-width: 769px) {
  .site-nav {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(250, 248, 244, 0.95);
  }
}

.site-nav.visible {
  transform: translateY(0);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  height: 56px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--blue);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
  transition: color var(--duration-fast);
}
.nav-links a:hover { color: var(--orange); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--blue);
  transition: all var(--duration-fast);
}

/* Mobile nav */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--blue);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}
.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  text-transform: uppercase;
  color: var(--off-white);
  transition: color var(--duration-fast);
}
.mobile-menu a:hover { color: var(--orange); }

.mobile-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 2rem;
  color: var(--off-white);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* ===================== LANG TOGGLE ===================== */
.lang-toggle {
  display: flex;
  gap: 3px;
  margin-right: 0.25rem;
}
.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: none;
  border: 1.5px solid transparent;
  color: var(--mid);
  padding: 2px 5px;
  border-radius: 3px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  line-height: 1;
}
.lang-btn:hover { color: var(--blue); }
.lang-btn.active { border-color: var(--blue); color: var(--blue); }