:root {
  --red: #C11616;
  --red-dark: #A01212;
  --dark: #1D1D1B;
  --dark-soft: #2A2A27;
  --light: #F4F4F4;
  --white: #FFFFFF;
  --pink: #FF1053;
  --blue: #3452FF;
  --cyan: #2AC4EA;
  --gray: #6b6b66;
  --border: #e3e3df;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

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

a {
  color: var(--red);
  text-decoration: none;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 16px;
}

.lead {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 720px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo {
  height: 40px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 500;
}

.main-nav a:not(.btn) {
  color: var(--dark);
}

.main-nav a:not(.btn):hover {
  color: var(--red);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
}

.btn-small {
  padding: 8px 18px;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(193, 22, 22, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: var(--white);
  background: var(--dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% -20%, rgba(52, 82, 255, 0.45), transparent 55%),
    radial-gradient(ellipse at 20% 120%, rgba(42, 196, 234, 0.35), transparent 50%),
    radial-gradient(ellipse at 50% 60%, rgba(255, 16, 83, 0.12), transparent 60%),
    var(--dark);
}

.hero-inner {
  position: relative;
  padding-top: 90px;
  padding-bottom: 90px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 18px;
  padding: 6px 14px;
  border: 1px solid rgba(42, 196, 234, 0.4);
  border-radius: 100px;
  background: rgba(42, 196, 234, 0.08);
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  margin-bottom: 20px;
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto 34px;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 6vw, 70px);
  margin-top: 56px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat strong {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--white);
}

.stat span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

/* ---------- Sections ---------- */
.section {
  padding: 80px 0;
}

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

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head .lead {
  margin: 0 auto;
}

/* ---------- Workshop cards ---------- */
.workshop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.ws-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ws-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(29, 29, 27, 0.12);
}

.ws-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.ws-number {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--dark);
  color: var(--white);
  font-weight: 800;
  font-size: 1.1rem;
}

.ws-card:nth-child(3n+1) .ws-number {
  background: var(--red);
}

.ws-card h3 {
  font-size: 1.15rem;
  margin-bottom: 2px;
}

.ws-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--red);
  background: rgba(193, 22, 22, 0.08);
  padding: 3px 10px;
  border-radius: 100px;
}

.ws-desc {
  color: var(--gray);
  font-size: 0.95rem;
  flex-grow: 1;
}

.ws-agenda {
  margin-top: 14px;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}

.ws-agenda summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--red);
  user-select: none;
}

.ws-agenda summary:hover {
  color: var(--red-dark);
}

.ws-agenda ul {
  list-style: none;
  margin-top: 12px;
}

.ws-agenda li {
  padding: 6px 0 6px 20px;
  position: relative;
  font-size: 0.9rem;
  color: var(--dark-soft);
}

.ws-agenda li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 13px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.ws-featured {
  border: 2px solid var(--red);
  box-shadow: 0 0 0 1px var(--red);
}

.ws-featured .ws-number {
  background: var(--red);
}

/* ---------- Methodik ---------- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-top: 8px;
}

.method-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  text-align: center;
}

.method-icon {
  font-size: 2rem;
  display: inline-block;
  margin-bottom: 12px;
}

.method-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.method-card p {
  color: var(--gray);
  font-size: 0.92rem;
}

.method-note {
  margin-top: 34px;
  text-align: center;
  color: var(--gray);
  font-size: 0.95rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Voraussetzungen ---------- */
.req-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.req-card {
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 28px;
}

.req-card h3 {
  font-size: 1.1rem;
  margin-bottom: 14px;
  color: var(--red);
}

.req-card ul {
  list-style: none;
}

.req-card li {
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: 0.95rem;
}

.req-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 800;
}

/* ---------- Kontakt ---------- */
.contact {
  text-align: center;
  background: var(--dark);
  color: var(--white);
}

.contact .lead {
  color: rgba(255, 255, 255, 0.8);
  margin: 0 auto 32px;
}

.contact h2 {
  color: var(--white);
}

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

.contact-locations {
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #141412;
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.logo-dark {
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--white);
}

.copyright {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    gap: 12px;
  }

  .main-nav {
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-inner {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .section {
    padding: 56px 0;
  }

  .hero-stats {
    gap: 28px;
  }
}
