:root {
  --primary: #7c3aed;
  --primary-light: #8b5cf6;
  --primary-dark: #6d28d9;
  --accent-light: #ede9fe;
  --ink: #1e1b4b;
  --cream: #fafafa;
  --success: #10b981;
  --error: #ef4444;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --shadow-soft: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lift: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
}

h1,
h2,
h3 {
  font-family: 'Playfair Display', Georgia, serif;
  line-height: 1.25;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-inline: 1.5rem;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgb(30 27 75 / 0.08);
  background: rgb(255 255 255 / 0.92);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 0.875rem;
}

.brand {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
}

.brand span {
  color: var(--primary);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.nav a {
  color: rgb(30 27 75 / 0.75);
}

.nav a:hover {
  color: var(--primary);
  text-decoration: none;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgb(30 27 75 / 0.05);
  background: linear-gradient(180deg, var(--accent-light) 0%, var(--cream) 55%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background:
    radial-gradient(circle at 20% 20%, rgb(124 58 237 / 0.12), transparent 45%),
    radial-gradient(circle at 80% 0%, rgb(167 139 250 / 0.2), transparent 40%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  padding-block: 4rem 3.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .hero__inner {
    padding-block: 5.5rem 4.5rem;
  }
}

.hero h1 {
  margin: 0 auto 1.25rem;
  max-width: 48rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.hero__subtitle {
  margin: 0 auto 1.25rem;
  max-width: 40rem;
  font-size: 1.125rem;
  color: rgb(30 27 75 / 0.8);
}

.hero__lead {
  margin: 0 auto 2rem;
  max-width: 36rem;
  font-size: 0.9375rem;
  color: rgb(30 27 75 / 0.65);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.badges li {
  padding: 0.4rem 1rem;
  border: 1px solid rgb(124 58 237 / 0.15);
  border-radius: 9999px;
  background: rgb(255 255 255 / 0.9);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-dark);
  box-shadow: var(--shadow-soft);
}

.section {
  padding-block: 4rem;
}

.section--white {
  background: white;
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.section h2 {
  margin: 0 0 1rem;
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.section__intro {
  margin: 0 auto 2.5rem;
  max-width: 42rem;
  text-align: center;
  color: rgb(30 27 75 / 0.7);
}

.prose {
  margin: 0 auto;
  max-width: 42rem;
}

.prose p {
  margin: 0 0 1rem;
  color: rgb(30 27 75 / 0.8);
}

.benefit-list {
  display: grid;
  gap: 1rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

@media (min-width: 640px) {
  .benefit-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.benefit-list li {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  background: white;
  border: 1px solid rgb(30 27 75 / 0.06);
  box-shadow: var(--shadow-soft);
}

.benefit-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--ink);
}

.audience-note {
  margin: 2rem auto 0;
  max-width: 40rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  background: var(--accent-light);
  font-size: 0.9375rem;
  text-align: center;
  color: var(--primary-dark);
}

.event-panel {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .event-panel {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.event-info {
  padding: 1.75rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgb(124 58 237 / 0.2);
  background: white;
  box-shadow: var(--shadow-soft);
}

.event-info h3 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}

.event-meta {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0;
  font-size: 0.9375rem;
}

.event-meta dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgb(30 27 75 / 0.5);
}

.event-meta dd {
  margin: 0.15rem 0 0;
}

.form-card {
  padding: 1.75rem;
  border-radius: var(--radius-xl);
  background: white;
  border: 1px solid rgb(30 27 75 / 0.08);
  box-shadow: var(--shadow-soft);
}

.form-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}

.form-card__hint {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: rgb(30 27 75 / 0.65);
}

.form-field {
  margin-bottom: 1rem;
}

.form-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.form-field input[type='text'],
.form-field input[type='email'] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid rgb(30 27 75 / 0.2);
  border-radius: var(--radius);
  font: inherit;
}

.form-field input:focus {
  outline: 2px solid rgb(124 58 237 / 0.35);
  border-color: var(--primary);
}

.role-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.role-group label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  font-size: 0.9375rem;
}

.role-group input {
  margin-top: 0.25rem;
}

.checkbox-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.8125rem;
  color: rgb(30 27 75 / 0.75);
}

.checkbox-row input {
  margin-top: 0.2rem;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

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

.btn-primary:hover {
  background: var(--primary-light);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  margin-top: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  display: none;
}

.form-message.is-visible {
  display: block;
}

.form-message--ok {
  background: rgb(16 185 129 / 0.12);
  color: #065f46;
}

.form-message--err {
  background: rgb(239 68 68 / 0.1);
  color: #991b1b;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid rgb(30 27 75 / 0.08);
  text-align: center;
  font-size: 0.875rem;
  color: rgb(30 27 75 / 0.6);
}

.site-footer p {
  margin: 0.25rem 0;
}

.inactive-panel {
  max-width: 32rem;
  margin: 4rem auto;
  padding: 2rem;
  text-align: center;
  border-radius: var(--radius-xl);
  background: white;
  box-shadow: var(--shadow-soft);
}