:root {
  /* PMI teal/blue */
  --blue: #0072CE;
  --dark-blue: #003F91;
  --teal: #0A8FBF;
  --sky: #7EC8FF;
  /* Flyer purple accents */
  --purple: #6B2D8B;
  --purple-deep: #4A1A66;
  --purple-soft: rgba(107, 45, 139, 0.14);
  /* Light premium base + cinematic glass */
  --bg: #F4F2F7;
  --bg-tint: #EDE8F3;
  --ink: #0B0B0C;
  --muted: #4A4453;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(107, 45, 139, 0.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 90% 10%, rgba(107, 45, 139, 0.10), transparent 55%),
    radial-gradient(900px 500px at 0% 100%, rgba(0, 114, 206, 0.10), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-tint) 100%);
  line-height: 1.55;
  min-height: 100vh;
}

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(244, 242, 247, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid var(--purple);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.8rem 0;
}
.nav-pill {
  display: inline-block; padding: 0.35rem 0.8rem;
  border: 1px solid var(--purple); border-radius: 999px;
  color: var(--purple); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
}

.hero {
  min-height: calc(100vh - 130px);
  padding: 2.25rem 0 3rem;
  background:
    linear-gradient(105deg, rgba(244, 242, 247, 0.94) 0%, rgba(244, 242, 247, 0.78) 46%, rgba(244, 242, 247, 0.35) 100%),
    url("cassandra-founder.jpg") right 12% / cover no-repeat;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 480px) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
}
.glass-panel {
  width: 100%;
  padding: 1.7rem 1.45rem 1.9rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 18px 48px rgba(74, 26, 102, 0.12), 0 2px 0 rgba(255,255,255,0.65) inset;
}
.eyebrow {
  margin: 0 0 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--purple);
  font-weight: 800;
}
.event-title {
  margin: 0 0 0.45rem;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.15;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.cta-line {
  margin: 0 0 0.85rem;
  color: var(--purple);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
}
.event-bullets {
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}
.event-bullets li {
  position: relative;
  padding-left: 1rem;
  color: var(--purple-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.event-bullets li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.45em;
  width: 0.4rem; height: 0.4rem;
  border-radius: 50%;
  background: var(--purple);
}
.event-when {
  margin: 0 0 0.95rem;
  padding: 0.7rem 0.8rem;
  border-left: 3px solid var(--purple);
  background: var(--purple-soft);
  color: var(--purple-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.45;
}
label {
  display: block;
  margin: 0.75rem 0 0.3rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
}
input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(11, 11, 12, 0.14);
  border-radius: 10px;
  background: rgba(255,255,255,0.9);
  color: var(--ink);
  font: inherit;
}
input::placeholder { color: rgba(74, 68, 83, 0.55); }
input:focus {
  outline: 2px solid rgba(0, 114, 206, 0.35);
  border-color: var(--blue);
}

button[type="submit"] {
  margin-top: 1.15rem;
  width: 100%;
  padding: 0.9rem 1rem;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--dark-blue) 55%, var(--purple) 140%);
  color: var(--white);
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(0, 114, 206, 0.28);
}
button[type="submit"]:hover {
  filter: brightness(1.05);
}
button[type="submit"]:disabled { opacity: 0.65; cursor: not-allowed; }

.error { margin: 0.75rem 0 0; color: #B42318; font-size: 0.9rem; }
.thank-you h2 { margin: 0 0 0.4rem; color: var(--ink); font-size: 1.3rem; font-weight: 900; }
.thank-you p { margin: 0; color: var(--muted); }

.site-footer {
  padding: 1.1rem 0 1.75rem;
  border-top: 2px solid var(--purple);
  color: var(--muted);
  font-size: 0.85rem;
}
.footer-inner { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; justify-content: space-between; }
.site-footer p { margin: 0; }
.footer-meta { color: var(--purple); font-weight: 700; letter-spacing: 0.03em; }

@media (max-width: 860px) {
  .hero {
    background:
      linear-gradient(180deg, rgba(244, 242, 247, 0.92) 0%, rgba(244, 242, 247, 0.82) 48%, rgba(244, 242, 247, 0.94) 100%),
      url("cassandra-founder.jpg") center top / cover no-repeat;
  }
}