/* ===== LOCAL FONTS ===== */
@font-face { font-family: 'Inter'; src: url('../fonts/Inter-Regular.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../fonts/Inter-Medium.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../fonts/Inter-SemiBold.woff2') format('woff2'); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../fonts/Inter-Bold.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('../fonts/Inter-ExtraBold.woff2') format('woff2'); font-weight: 800; font-style: normal; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-Medium.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-Bold.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-card-hover: #1e2a42;
  --accent: #00d4aa;
  --accent-dim: #00b894;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --text-primary: #e8edf5;
  --text-secondary: #8892a4;
  --text-muted: #5a6478;
  --border: #1e293b;
  --danger: #ff6b6b;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --max-width: 1100px;
  --radius: 10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: #33e8c0; }

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== HEADER / NAV ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  height: 64px;
}

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-weight: 700; font-size: 1.1rem;
  color: var(--text-primary);
}
.nav-logo svg { height: 32px; width: auto; }

.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-secondary); font-size: .9rem; font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); cursor: pointer; }

/* ===== HERO ===== */
.hero {
  min-height: auto; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 84px 24px 24px;
  position: relative; overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 30% 40%, rgba(0, 212, 170, 0.06), transparent),
    radial-gradient(ellipse 500px 300px at 70% 60%, rgba(0, 100, 200, 0.04), transparent);
  pointer-events: none;
}

/* animated grid */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.hero-content { position: relative; z-index: 1; max-width: 720px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-glow); border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px; padding: 6px 16px; margin-bottom: 24px;
  font-family: var(--font-mono); font-size: .75rem; color: var(--accent);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.hero-badge .pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.8); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem; color: var(--text-secondary); max-width: 560px;
  margin: 0 auto 24px; line-height: 1.7;
}

.hero-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: var(--bg-primary); font-weight: 700;
  padding: 14px 32px; border-radius: 8px; font-size: 1rem;
  transition: transform .2s, box-shadow .2s;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.25);
  color: var(--bg-primary);
}

/* ===== SECTIONS ===== */
section { padding: 36px 0; }

.section-label {
  font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--accent); margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary); font-size: 1.05rem; max-width: 600px; margin-bottom: 28px;
}

/* ===== FEATURED EVENT ===== */
.featured-event {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.05) 100%);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 48px; position: relative; overflow: hidden;
}

.featured-event::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.featured-event .event-tag {
  display: inline-block; background: var(--accent); color: var(--bg-primary);
  font-family: var(--font-mono); font-size: .7rem; font-weight: 700;
  padding: 4px 12px; border-radius: 4px; margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 0.05em;
}

.featured-event h3 {
  font-size: 1.6rem; font-weight: 700; margin-bottom: 12px;
}

.event-meta {
  display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 20px;
  color: var(--text-secondary); font-size: .9rem;
}
.event-meta span { display: flex; align-items: center; gap: 6px; }

.featured-event p {
  color: var(--text-secondary); margin-bottom: 24px; max-width: 640px;
}

.event-speakers {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px;
}
.event-speakers .speaker-chip {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.05); border-radius: 100px;
  padding: 6px 14px 6px 6px; font-size: .85rem;
}
.speaker-chip img {
  width: 28px; height: 28px; border-radius: 50%; object-fit: cover;
}

.btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--accent); color: var(--accent);
  padding: 10px 24px; border-radius: 8px; font-weight: 600;
  font-size: .9rem; transition: all .2s;
}
.btn-outline:hover {
  background: var(--accent); color: var(--bg-primary);
}

/* ===== PAST EVENTS ===== */
.past-events-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px; margin-top: 32px;
}

.past-event-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color .2s, transform .2s;
}
.past-event-card:hover {
  border-color: rgba(0, 212, 170, 0.3); transform: translateY(-2px);
}

.past-event-card .event-date {
  font-family: var(--font-mono); font-size: .8rem; color: var(--accent);
  margin-bottom: 8px;
}

.past-event-card h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }

.past-event-card p {
  color: var(--text-secondary); font-size: .9rem; margin-bottom: 16px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

.past-event-card .card-link {
  font-size: .85rem; font-weight: 600; color: var(--accent);
  display: inline-flex; align-items: center; gap: 4px;
}

/* ===== REFERENTEN ===== */
.speakers-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.speaker-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; text-align: center;
  transition: border-color .2s, transform .2s;
}
.speaker-card:hover {
  border-color: rgba(0, 212, 170, 0.3); transform: translateY(-2px);
}

.speaker-card .speaker-img {
  width: 140px; height: 140px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 16px;
  border: 2px solid var(--border);
  background: var(--bg-secondary);
}

.speaker-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }

.speaker-card .speaker-title {
  font-size: .85rem; color: var(--accent); font-weight: 500; margin-bottom: 12px;
}

.speaker-card .speaker-desc {
  font-size: .88rem; color: var(--text-secondary); line-height: 1.6;
}

.speaker-card .speaker-link {
  display: inline-block; margin-top: 12px; font-size: .85rem;
}

.speaker-links {
  display: flex; gap: 16px; justify-content: center; margin-top: 12px; flex-wrap: wrap;
}
.speaker-links a { font-size: .85rem; }

/* ===== ABOUT TEXT ===== */
.about-text {
  color: var(--text-secondary); line-height: 1.8;
}
.about-text p { margin-bottom: 16px; }

/* ===== EVENT TITLE IMAGE ===== */
.event-title-img {
  width: 100%; height: auto; object-fit: contain;
  border-radius: var(--radius); margin: 24px 0;
  border: 1px solid var(--border);
}

/* ===== ABOUT / KONZEPT ===== */
.about-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.about-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}

.about-card .icon {
  width: 44px; height: 44px; background: var(--accent-glow);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; color: var(--accent); font-size: 1.3rem;
}

.about-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.about-card p { font-size: .9rem; color: var(--text-secondary); }

/* ===== KONTAKT ===== */
.contact-section {
  background: var(--bg-secondary); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}

.contact-info p { color: var(--text-secondary); margin-bottom: 24px; }

.contact-detail {
  display: flex; align-items: start; gap: 12px; margin-bottom: 16px;
}
.contact-detail .label {
  font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase;
  color: var(--text-muted); letter-spacing: 0.05em;
}
.contact-detail .value { color: var(--text-primary); font-size: .95rem; }

.contact-cta {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px; text-align: center;
}
.contact-cta h3 { font-size: 1.2rem; margin-bottom: 12px; }
.contact-cta p { color: var(--text-secondary); font-size: .9rem; margin-bottom: 20px; }

/* ===== FOOTER ===== */
footer {
  padding: 40px 0; border-top: 1px solid var(--border);
  font-size: .85rem; color: var(--text-muted);
}

.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}

.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }

/* ===== EVENT DETAIL PAGE ===== */
.event-detail { padding: 120px 0 80px; }

.event-detail .back-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-secondary); font-size: .9rem; margin-bottom: 32px;
}

.event-detail h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: 16px;
}

.event-detail .event-info-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; margin: 32px 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px;
}

.event-detail .info-item .label {
  font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase;
  color: var(--text-muted); letter-spacing: 0.05em; margin-bottom: 4px;
}
.event-detail .info-item .value {
  font-size: 1rem; font-weight: 600;
}

.event-detail .event-description {
  color: var(--text-secondary); line-height: 1.8; margin: 32px 0;
  max-width: 700px;
}
.event-detail .event-description p { margin-bottom: 16px; }

.event-detail .speakers-list { margin: 32px 0; }
.event-detail .speakers-list h3 { font-size: 1.2rem; margin-bottom: 16px; }

.event-detail .speaker-row {
  display: flex; align-items: center; gap: 16px; margin-bottom: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
}
.speaker-row img {
  width: 48px; height: 48px; border-radius: 50%; object-fit: cover;
}
.speaker-row .speaker-name { font-weight: 600; }
.speaker-row .speaker-role { font-size: .85rem; color: var(--text-secondary); }

/* ===== LEGAL PAGES ===== */
.legal-page { padding: 120px 0 80px; }
.legal-page h1 { font-size: 2rem; font-weight: 800; margin-bottom: 32px; }
.legal-page h2 { font-size: 1.3rem; font-weight: 700; margin: 32px 0 12px; color: var(--text-primary); }
.legal-page h3 { font-size: 1.1rem; font-weight: 600; margin: 24px 0 8px; }
.legal-page p { color: var(--text-secondary); margin-bottom: 12px; max-width: 700px; }
.legal-page ul { color: var(--text-secondary); margin: 8px 0 16px 24px; }
.legal-page li { margin-bottom: 4px; }
.legal-page a { color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(10, 14, 23, 0.98); border-bottom: 1px solid var(--border);
    padding: 16px 24px;
  }
  .nav-links.active a { padding: 12px 0; display: block; }
  .nav-toggle { display: block; }

  .hero { padding: 80px 24px 32px; }

  .featured-event { padding: 28px; }

  .contact-grid { grid-template-columns: 1fr; }

  .past-events-grid { grid-template-columns: 1fr; }

  .event-detail .event-info-box { grid-template-columns: 1fr; }
}