:root {
  --yellow: #ffd600;
  --dark:   #1c1c1c;
  --mid:    #2a2a2a;
  --card:   #252525;
  --border: #3a3a3a;
  --text:   #f0f0f0;
  --muted:  #999;
  --stripe-w: 28px;
}

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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--dark);
  color: var(--text);
}

/* ── HAZARD STRIPE ── */
.hazard {
  height: 18px;
  background: repeating-linear-gradient(
    -45deg,
    var(--yellow) 0px,
    var(--yellow) var(--stripe-w),
    #111 var(--stripe-w),
    #111 calc(var(--stripe-w) * 2)
  );
  flex-shrink: 0;
}

/* ── HERO ── */
.hero {
  background: var(--dark);
  padding: 0;
  border-bottom: 3px solid var(--yellow);
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 3.5rem 2rem 2.8rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
}

.hero h1 {
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -2px;
  color: var(--yellow);
  text-transform: uppercase;
}

.hero h1 span {
  display: block;
  font-size: 0.42em;
  color: var(--text);
  letter-spacing: 6px;
  font-weight: 400;
  margin-top: 0.3em;
}

.hero-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-end;
}

.hero-meta .tag {
  background: var(--yellow);
  color: #111;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.35rem 0.9rem;
  letter-spacing: 0.5px;
}

.tag-sub {
  display: block;
  font-size: 0.75em;
  font-weight: 600;
  opacity: 0.8;
  margin-top: 0.2rem;
}

.hero-meta .tag.outline {
  background: transparent;
  border: 2px solid var(--yellow);
  color: var(--yellow);
}

.hero-organizer {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 2rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-top: 1px solid var(--border);
}

.hero-organizer strong { color: var(--text); }

/* ── LAYOUT ── */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
  color: var(--text);
}

/* ── PROGRAM ── */
.program-list { list-style: none; }

.program-list li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.program-list li:last-child { border-bottom: none; }

.prog-time {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--yellow);
  font-variant-numeric: tabular-nums;
  padding-top: 0.05rem;
}

.prog-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.prog-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.25rem;
  line-height: 1.4;
}

.program-note {
  margin-top: -0.8rem;
  margin-bottom: 1.2rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
}

/* ── HIGHLIGHTS ── */
.highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hl-pill {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  letter-spacing: 0.3px;
}

.hl-pill.accent {
  background: var(--yellow);
  color: #111;
  border-color: var(--yellow);
  font-weight: 800;
}

/* ── EXHIBITORS ── */
.exhibitor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.exhibitor-item {
  background: var(--card);
  padding: 1.1rem 1.2rem;
}

.ex-name {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text);
}

.ex-desc {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
  line-height: 1.4;
}

.ex-cat {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 0.35rem;
}

/* ── PRACTICAL INFO ── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.info-item {
  background: var(--card);
  padding: 1.1rem 1.2rem;
}

.info-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 0.4rem;
}

.info-value {
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 600;
  line-height: 1.4;
}

.info-sub {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* ── FOOTER ── */
footer {
  background: #111;
  border-top: 3px solid var(--yellow);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--yellow);
  text-transform: uppercase;
}

.footer-brand span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 0.1rem;
}

.footer-contact {
  text-align: right;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.8;
}

.footer-contact a {
  color: var(--yellow);
  text-decoration: none;
}

.footer-social {
  display: flex;
  gap: 0.8rem;
}

.footer-social a {
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
  border: 1px solid var(--border);
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, color 0.15s;
}

.footer-social a:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

.footer-note {
  width: 100%;
  font-size: 0.75rem;
  color: #555;
  text-align: center;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

.ex-coming-soon {
  background: var(--card);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 2rem 1.2rem;
  grid-column: 1 / -1;
}

@media (max-width: 600px) {
  .hero-inner     { grid-template-columns: 1fr; }
  .hero-meta      { text-align: left; align-items: flex-start; }
  .footer-contact { text-align: left; }
  main            { padding: 2rem 1.2rem 4rem; }
  .info-grid      { grid-template-columns: 1fr; }
}