:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e9edf3;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --radius: 12px;

  --brand: #5b5cff;
  --brand-hover: #4a4bff;
  --cta-bg: #a77aa8; /* muted purple tone */
  --danger: #ff4d4d;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.45;
}

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

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-link {
  font-size: 15px;
  font-weight: 600;
  color: rgba(15, 23, 42, 0.75);
  text-decoration: none;
  transition: color 0.2s ease;
}

.header-link:hover {
  color: var(--brand);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-small {
  height: 40px;
  padding: 0 18px;
  border-radius: 9px;
  font-size: 15px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 25px rgba(91, 92, 255, 0.22);
}

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

/* Hero */
.hero {
  padding: 92px 0 72px;
}

.hero-inner {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

h1 {
  margin: 0 0 24px;
  font-size: 32px;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0 auto 28px;
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

/* Sections */
.section {
  padding: 50px 0;
}

.section-title {
  text-align: center;
  margin: 0 0 40px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-4 {
  grid-template-columns: 1fr;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(233, 237, 243, 0.9);
  box-shadow: var(--shadow);
  padding: 24px;
}

.card-center {
  text-align: center;
  padding: 28px 24px;
}

.card-text {
  margin: 12px 0 0;
  font-size: 15px;
  color: rgba(15, 23, 42, 0.7);
  line-height: 1.5;
}

.badge-check {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 77, 77, 0.55);
  display: grid;
  place-items: center;
  margin: 0 auto;
  color: var(--danger);
  font-weight: 800;
  font-size: 16px;
}

/* Feature cards */
.icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(91, 92, 255, 0.08);
  color: var(--brand);
  display: grid;
  place-items: center;
  font-size: 18px;
}

.card-title {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 800;
}

.card-subtitle {
  margin: 0;
  font-size: 15px;
  color: rgba(15, 23, 42, 0.62);
  max-width: 44ch;
  line-height: 1.5;
}

/* Audience cards */
.card-minimal {
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.04);
  padding: 24px 20px;
  display: grid;
  gap: 12px;
  justify-items: center;
  text-align: center;
}

.mini-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(91, 92, 255, 0.08);
  display: grid;
  place-items: center;
  color: var(--brand);
  font-size: 18px;
}

.mini-title {
  font-size: 16px;
  font-weight: 700;
  color: rgba(15, 23, 42, 0.85);
}

/* Events section */
.section-events {
  padding-top: 64px;
  padding-bottom: 64px;
  background: linear-gradient(to bottom, #ffffff 0%, #f8fafc 100%);
}

.section-subtitle {
  text-align: center;
  margin: 0 auto 48px;
  max-width: 600px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.events-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.event-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  border: 2px solid transparent;
  box-shadow: 0 4px 20px rgba(91, 92, 255, 0.08);
}

.event-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 30px rgba(91, 92, 255, 0.15);
}

.event-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

.event-name {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}

.event-desc {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* Why section - Infographic */
.section-why {
  padding-top: 64px;
  padding-bottom: 64px;
}

.infographic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.infographic-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px;
  background: #fff;
  border-radius: 16px;
  border-left: 4px solid var(--brand);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

.infographic-number {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand) 0%, #7c7dff 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.infographic-content h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}

.infographic-content p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}

/* Pricing */
.section-pricing {
  padding-top: 64px;
  padding-bottom: 64px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  max-width: 1020px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(233, 237, 243, 0.95);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  padding: 28px;
}

.pricing-card-featured {
  border: 2px solid rgba(91, 92, 255, 0.25);
  box-shadow: 0 18px 40px rgba(91, 92, 255, 0.12);
}

.plan-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.plan-name {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.plan-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(91, 92, 255, 0.1);
  color: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(91, 92, 255, 0.18);
  white-space: nowrap;
}

.plan-badge-outline {
  background: transparent;
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: rgba(15, 23, 42, 0.72);
}

.plan-price {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 6px 0 6px;
}

.plan-price-muted {
  font-size: 28px;
  font-weight: 900;
  color: rgba(15, 23, 42, 0.8);
}

.plan-meta {
  color: rgba(15, 23, 42, 0.62);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.plan-points {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.plan-points li {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 10px;
  align-items: center;
  color: rgba(15, 23, 42, 0.78);
  font-size: 14px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--brand);
  opacity: 0.9;
}

.connect-form {
  margin-top: 10px;
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.label {
  font-size: 12px;
  font-weight: 700;
  color: rgba(15, 23, 42, 0.7);
}

input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
  background: #fff;
  color: rgba(15, 23, 42, 0.9);
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: rgba(91, 92, 255, 0.6);
  box-shadow: 0 0 0 4px rgba(91, 92, 255, 0.12);
}

.form-note {
  font-size: 12px;
  color: rgba(15, 23, 42, 0.55);
  text-align: center;
  margin-top: 4px;
}

.form-note code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 11px;
}

/* CTA */
.cta {
  background: var(--cta-bg);
  padding: 62px 0;
  margin-top: 20px;
}

.cta-inner {
  text-align: center;
  color: #fff;
}

.cta h2 {
  margin: 0 0 14px;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.cta p {
  margin: 0 0 24px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.6;
}

.btn-cta {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  box-shadow: none;
}

/* Footer */
.site-footer {
  background: #fff;
  padding: 26px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.footer-brand {
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 4px;
}

.footer-subtitle {
  color: rgba(15, 23, 42, 0.55);
  font-size: 14px;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(15, 23, 42, 0.6);
  font-size: 14px;
}

.footer-link:hover {
  color: rgba(15, 23, 42, 0.85);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Responsive */
@media (min-width: 720px) {
  .brand-logo-img {
    height: 50px;
  }

  h1 {
    font-size: 48px;
  }

  .lead {
    font-size: 20px;
  }

  .section-title {
    font-size: 40px;
    margin-bottom: 48px;
  }

  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .card {
    padding: 28px;
  }

  .events-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .infographic-item {
    grid-template-columns: 100px 1fr;
    gap: 28px;
    padding: 32px;
  }

  .infographic-number {
    width: 100px;
    height: 100px;
    font-size: 40px;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .field-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .hero {
    padding: 112px 0 86px;
  }

  .section {
    padding: 84px 0;
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .problem-grid .card {
    min-height: 92px;
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 6px;
  }

  .feature-grid .card {
    min-height: 138px;
  }

  .audience-grid .card {
    min-height: 96px;
  }

  .events-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
  }

  .event-card {
    padding: 36px 24px;
  }

  .infographic-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
}