:root {
  --ink: #1c1e1f;
  --ink-soft: #4b4f52;
  --ink-mute: #5a5d60;
  --paper: #f2f1ee;
  --paper-alt: #e8e6e0;
  --red: #c3272b;
  --red-dim: #8f1c1f;
  --max-width: 1080px;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --sans: 'IBM Plex Sans', 'Noto Sans JP', 'Hiragino Sans', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
  line-height: 1.7;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- falling petals ---------- */

#petals {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 50;
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid rgba(28,30,31,0.1);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
  border-bottom-color: rgba(28,30,31,0.28);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 46px;
  width: auto;
  display: block;
}

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

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
}

/* ---------- hero (plate 00) ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 130px 24px 80px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  padding: 0 20px;
}

.hero-logo {
  width: min(85vw, 560px);
  margin: 0 auto 30px;
}

@keyframes traceIn {
  to { stroke-dashoffset: 0; }
}

.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 18px;
}

.hero-tagline {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 480px;
  margin: 0 auto 34px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--red);
  color: var(--paper);
}
.btn-primary:hover { background: var(--red-dim); }

.btn-ghost {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.btn.large { padding: 17px 36px; font-size: 0.9rem; margin-bottom: 16px; }

.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-hint span {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(var(--ink), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.8; }
}

/* ---------- sections / plates ---------- */

.section {
  position: relative;
  z-index: 2;
  padding: 72px 24px 96px;
  border-top: 1px solid rgba(28,30,31,0.14);
}

.section.alt { background: var(--paper-alt); }

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-inner.narrow { max-width: 760px; }
.section-inner.center { text-align: center; }

.plate-label {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}

.plate-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(28,30,31,0.18);
}

.section-inner.center .plate-label { justify-content: center; }
.section-inner.center .plate-label::after { display: none; }

.section h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.6vw, 2.1rem);
  margin: 0 0 26px;
  letter-spacing: -0.01em;
}

.lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
}

/* pillar grid -> plate grid */

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 44px;
  background: rgba(28,30,31,0.14);
  border: 1px solid rgba(28,30,31,0.14);
}

.pillar {
  background: var(--paper-alt);
  padding: 26px 22px;
  transition: background 0.2s ease;
}
.pillar:hover {
  background: var(--paper);
}

.pillar-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-icon svg {
  width: 20px;
  height: 20px;
  color: var(--red);
}

.pillar h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 14px 0 8px;
}

.pillar p { font-size: 0.94rem; color: var(--ink-soft); margin: 0; }

/* offers */

.offer-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 40px;
  background: rgba(28,30,31,0.14);
  border: 1px solid rgba(28,30,31,0.14);
}

.offer-card {
  background: var(--paper);
  padding: 30px 24px;
  border-top: 3px solid var(--red);
}

.offer-card h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 12px;
}

.offer-card p { color: var(--ink-soft); font-size: 0.94rem; margin: 0; }

.offer-note {
  margin-top: 34px;
  text-align: center;
  color: var(--ink-mute);
  font-size: 0.94rem;
}

.rules-cta {
  margin-top: 40px;
  background: var(--ink);
  color: var(--paper-alt);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.rules-cta-text h3 {
  font-family: var(--sans);
  font-weight: 600;
  color: var(--paper);
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.rules-cta-text p {
  margin: 0;
  color: rgba(232,230,224,0.78);
  font-size: 0.94rem;
  max-width: 480px;
}

.rules-cta .btn-primary {
  flex-shrink: 0;
  white-space: nowrap;
}

/* membership */

.membership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 44px 0 40px;
  text-align: left;
  background: rgba(28,30,31,0.14);
  border: 1px solid rgba(28,30,31,0.14);
}

.membership-card {
  background: var(--paper);
  padding: 24px 20px;
}

.membership-card h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 10px;
  color: var(--red);
}

.membership-card p { font-size: 0.94rem; color: var(--ink-soft); margin: 0; }

.fine-print {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  max-width: 460px;
  margin: 0 auto;
}

/* termine */

.events-placeholder {
  border: 1px dashed rgba(28,30,31,0.3);
  padding: 40px 24px;
  text-align: center;
}

.muted { color: var(--ink-mute); font-size: 0.94rem; }

/* contact */

.contact-block {
  margin-top: 30px;
}
.contact-block a { color: var(--red); border-bottom: 1px solid rgba(195,39,43,0.4); }

/* ---------- footer ---------- */

.site-footer {
  position: relative;
  z-index: 2;
  background: var(--ink);
  color: var(--paper-alt);
  padding: 40px 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.footer-mark svg { width: 20px; height: 20px; color: var(--red); }

.footer-links {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.footer-links a:hover { color: var(--red); }

.footer-note {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(232,230,224,0.7);
  margin: 0;
  text-align: center;
}

/* ---------- rules / teilnahmebedingungen page ---------- */

.rules-hero {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 130px 24px 40px;
}

.rules-diagram {
  width: min(45vw, 150px);
  margin: 0 auto 24px;
}
.rules-diagram path {
  fill: none;
  stroke: var(--red);
  stroke-width: 2;
  stroke-linecap: round;
}
.rules-diagram .diagram-trace {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: traceIn 1.4s ease-out 0.2s forwards;
}

.rules-hero h1 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 2.8rem);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.rules-hero .lead {
  max-width: 600px;
  margin: 0 auto;
}

.rules-category {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.rules-category + .rules-category {
  margin-top: 20px;
  padding-top: 40px;
  border-top: 1px solid rgba(28,30,31,0.14);
}

.rules-category h2 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

.rules-category h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(28,30,31,0.18);
}

.rules-list {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 4px 0 8px;
  list-style: none;
  counter-reset: rule-counter;
}

.rule-item {
  counter-increment: rule-counter;
  display: flex;
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(28,30,31,0.14);
}

.rule-item::before {
  content: counter(rule-counter, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--red);
  flex-shrink: 0;
  width: 40px;
  text-align: right;
  line-height: 1.5;
}

.rule-item h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 6px;
}

.rule-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.rules-closing {
  max-width: 760px;
  margin: 20px auto 90px;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.rules-closing p {
  background: var(--paper-alt);
  border-left: 3px solid var(--red);
  padding: 18px 22px;
  font-weight: 500;
  color: var(--ink);
}

/* ---------- scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- legal pages ---------- */

.legal h1,
.legal h2 {
  font-family: var(--sans);
  font-weight: 600;
}
.legal h1 { font-size: 2rem; margin-bottom: 30px; }
.legal h2 { font-size: 1.05rem; margin: 34px 0 10px; text-transform: uppercase; letter-spacing: 0.04em; }
.legal p { color: var(--ink-soft); }
.legal a.back { display: inline-block; margin-bottom: 20px; color: var(--red); font-family: var(--mono); font-size: 0.85rem; }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .pillar-grid, .offer-list, .membership-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--paper);
    padding: 16px 24px 24px;
    border-bottom: 1px solid rgba(28,30,31,0.1);
    gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 4px; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-toggle span { transition: all 0.25s ease; }

  .rule-item { gap: 14px; }
  .rule-item::before { width: 28px; font-size: 1rem; }

  .rules-cta { flex-direction: column; align-items: stretch; text-align: center; }
}