:root {
  --bg: #f0f4f7;
  --surface: rgba(255, 255, 255, 0.86);
  --ink: #18222d;
  --muted: #5c6d7d;
  --accent: #1f6fd8;
  --line: rgba(24, 34, 45, 0.1);
  --shadow: 0 18px 40px rgba(34, 52, 70, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(31, 111, 216, 0.05) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(31, 111, 216, 0.05) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, #f0f4f7 0%, #e7edf2 100%);
  background-size: 28px 28px, 28px 28px, auto;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
}

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

h1,
h2,
p,
ul {
  margin: 0;
}

.page {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 44px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 0.94;
}

h1,
h2,
.event-meta strong,
.schedule-list strong {
  font-family: "IBM Plex Mono", monospace;
}

h2 {
  font-size: 1.4rem;
  line-height: 1.3;
}

.lede,
.schedule-list p,
.speaker-list p,
.bullet-list,
.event-meta span,
.accent-panel p {
  color: var(--muted);
  line-height: 1.8;
}

.lede {
  max-width: 38rem;
  margin-top: 16px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  min-height: 50px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.event-meta {
  list-style: none;
  padding: 0;
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.event-meta li {
  padding: 16px;
  border-radius: 20px;
  background: rgba(31, 111, 216, 0.05);
}

.event-meta strong,
.event-meta span {
  display: block;
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 20px;
}

.panel {
  padding: 24px;
}

.schedule-list,
.speaker-list {
  display: grid;
  gap: 14px;
}

.schedule-list div,
.speaker-list div {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.schedule-list div:first-child,
.speaker-list div:first-child {
  padding-top: 0;
  border-top: 0;
}

.bullet-list {
  padding-left: 18px;
}

.accent-panel {
  background: linear-gradient(180deg, rgba(31, 111, 216, 0.08), rgba(255, 255, 255, 0.6));
}

.accent-panel .button {
  margin-top: 18px;
}

@media (max-width: 820px) {
  .event-meta,
  .grid-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 18px, 1040px);
    padding: 18px 0 30px;
  }

  .hero,
  .panel {
    padding: 22px;
    border-radius: 22px;
  }
}