/* ============================================
   KANBANcamp 2026 — Main Stylesheet
   Pure static site — no JS-dependent styles
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-bg: #0c0e0c;
  --color-bg-alt: #111411;
  --color-surface: #191c19;
  --color-surface-hover: #212521;
  --color-border: #2c302c;
  --color-text: #e6e8e6;
  --color-text-muted: #a8a8a8;
  --color-text-dim: #6d6b6e;
  --color-primary: #43822e;
  --color-primary-light: #5cb23f;
  --color-primary-dark: #366b24;
  --color-accent: #43822e;
  --color-accent-light: #8ed674;
  --color-warning: #dba63a;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, 'Liberation Mono', monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(92, 178, 63, 0.15);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  --header-height: 72px;
  --container-max: 1200px;
}

/* ============================================
   LANGUAGE TOGGLE
   ============================================ */
[data-lang="de"] .en { display: none !important; }
[data-lang="en"] .de { display: none !important; }

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 9999;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
  color: var(--color-bg);
}

/* ---------- Focus Styles ---------- */
:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul {
  list-style: none;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.subsection-title {
  font-size: 1.3rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.lead {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  gap: var(--space-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-color: var(--color-primary);
  box-shadow: 0 4px 15px rgba(67, 130, 46, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(67, 130, 46, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
  transform: translateY(-2px);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(12, 14, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(44, 48, 44, 0.5);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(12, 14, 12, 0.95);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 36px;
  width: auto;
}

/* Desktop Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-light);
  transition: width var(--transition-base);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-text);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Language Switch */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.lang-switch:hover {
  border-color: var(--color-primary-light);
}

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

.lang-option {
  transition: color var(--transition-fast);
}

.lang-option.active {
  color: var(--color-primary-light);
  font-weight: 600;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 14, 12, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-nav-overlay.visible {
  display: flex;
  opacity: 1;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: var(--space-xl);
}

.mobile-nav a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.mobile-nav a:hover {
  color: var(--color-primary-light);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(92, 178, 63, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(92, 178, 63, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(109, 107, 110, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-bg-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(44, 48, 44, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 48, 44, 0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) 0;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.5vw, 0.9rem);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.2s;
}

.hero-title {
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.4s;
  text-align: center;
}

.hero-logo-img {
  display: block;
  margin: 0 auto;
  max-width: clamp(280px, 50vw, 500px);
  height: auto;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.6s;
}

.hero-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.8s;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
}

.hero-meta-item svg {
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.hero-location-note {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 0.9s;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: 1s;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-dim);
  animation: bounce 2s infinite;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--space-4xl) 0;
}

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

/* ---------- About ---------- */
.about-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-2xl);
  margin-top: var(--space-xl);
}

.about-content p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about-content p.lead {
  color: var(--color-text);
  font-size: 1.1rem;
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* ---------- Schedule ---------- */
.schedule-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.schedule-link-card {
  display: flex;
  gap: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.schedule-link-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  color: var(--color-text);
}

.schedule-link-card--current {
  border-color: rgba(92, 178, 63, 0.3);
}

.schedule-link-card--current::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.schedule-link-card-badge {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  font-weight: 800;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.schedule-link-card--past .schedule-link-card-badge {
  background: #595759;
}

.schedule-link-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.schedule-link-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.schedule-link-card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-light);
  transition: gap var(--transition-base);
}

.schedule-link-card:hover .schedule-link-card-cta {
  gap: var(--space-sm);
}

.schedule-link-card--past .schedule-link-card-cta {
  color: #65bb48;
}

.schedule-link-card-cta svg {
  transition: transform var(--transition-base);
}

.schedule-link-card:hover .schedule-link-card-cta svg {
  transform: translate(2px, -2px);
}

/* ---------- Rules ---------- */
.rules-list {
  display: grid;
  gap: var(--space-lg);
}

.rule-card {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.rule-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.rule-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-md);
  font-size: 1.4rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}

.rule-content h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.rule-content p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- FAQ (details/summary) ---------- */
.faq-list {
  margin-bottom: var(--space-3xl);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  gap: var(--space-md);
  transition: color var(--transition-fast);
  list-style: none;
}

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

.faq-question::marker {
  display: none;
  content: '';
}

.faq-question:hover {
  color: var(--color-primary-light);
}

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-text-muted);
}

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

.faq-answer {
  overflow: hidden;
}

.faq-answer p {
  padding-bottom: var(--space-lg);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* FAQ Contact */
.faq-contact {
  max-width: 600px;
}

.faq-contact h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-lg);
}

.faq-contact p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.faq-contact .btn {
  margin-top: var(--space-sm);
}

.faq-social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.faq-social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.faq-social-link:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary-light);
}

.faq-social-link svg {
  flex-shrink: 0;
}

/* ---------- Sponsoring ---------- */
.sponsoring-ideas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.idea-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.idea-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.idea-card h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  color: #65bb48;
}

.idea-card p {
  font-size: 0.93rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.sponsors-section {
  margin-top: var(--space-2xl);
}

.sponsors-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  align-items: center;
}

.sponsor-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.sponsor-item a {
  font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.footer-logo {
  margin-bottom: var(--space-sm);
}

.footer-logo-img {
  height: 32px;
  width: auto;
}

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.footer-col h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-col a:hover {
  color: var(--color-primary-light);
}

.footer-organised-by {
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer-organised-by h3 {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.footer-organised-by ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}

.footer-organised-by a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: color var(--transition-fast);
}

.footer-org-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 3px;
}

.footer-organised-by a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
  transform: translateY(0);
  transition: transform var(--transition-base);
}

.cookie-banner.hidden {
  transform: translateY(100%);
  pointer-events: none;
}

.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.cookie-banner-text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0;
}

.cookie-banner-close {
  background: #346423;
  color: white;
  border: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.cookie-banner-close:hover {
  background: var(--color-primary-light);
}

/* ============================================
   SPONSOR LOGO
   ============================================ */
.sponsors-showcase {
  padding: var(--space-xl);
  background: #e0e0e0;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

.sponsor-logo-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.sponsor-logo-link:hover {
  background: rgba(0, 0, 0, 0.06);
}

.sponsor-label {
  font-size: 0.82rem;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.sponsor-logo-img {
  max-width: 33%;
  min-width: 200px;
  height: auto;
  filter: grayscale(30%) brightness(0.9);
  transition: filter var(--transition-base);
}

.sponsor-logo-link:hover .sponsor-logo-img {
  filter: grayscale(0%) brightness(1);
}

/* ============================================
   LEGAL PAGE STYLES
   ============================================ */
.legal-page {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-4xl);
  min-height: 100vh;
}

.legal-back {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-2xl);
  transition: color var(--transition-fast);
}

.legal-back:hover {
  color: var(--color-primary-light);
}

.legal-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-2xl);
  position: relative;
  display: inline-block;
}

.legal-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.legal-content {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.legal-content p {
  margin-bottom: var(--space-md);
}

.legal-content h3 {
  color: var(--color-text);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  font-size: 1.2rem;
}

.legal-content a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--color-accent);
}

.legal-content strong {
  color: var(--color-text);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-8px);
  }
  60% {
    transform: translateX(-50%) translateY(-4px);
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .hero-meta {
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
  }

  .rule-card {
    grid-template-columns: 44px 1fr;
    gap: var(--space-md);
    padding: var(--space-lg);
  }

  .rule-number {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 60px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .schedule-cards {
    grid-template-columns: 1fr;
  }

  .sponsoring-ideas {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }

  .schedule-link-card {
    flex-direction: column;
    gap: var(--space-md);
  }

  .schedule-link-card-badge {
    width: 44px;
    height: 44px;
    font-size: 0.9rem;
  }

  .cookie-banner-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
}

/* Print */
@media print {
  .site-header,
  .hero-scroll-hint,
  .hero-cta,
  .faq-contact,
  .lang-switch,
  .hamburger,
  .cookie-banner {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  body {
    background: white;
    color: black;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}