:root {
  --about-bg: #05021b;
  --about-panel: rgba(15, 15, 40, 0.72);
  --about-border: rgba(143, 47, 255, 0.25);
  --about-copy: #c8cbe4;
  --about-muted: #9fa4c6;
  --about-purple: #8f2fff;
  --about-cyan: #00d4ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% -10%, rgba(143, 47, 255, 0.2), transparent 34rem),
    var(--about-bg);
  color: #ffffff;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
}

a {
  color: inherit;
}

.public-page {
  width: min(100%, 1080px);
  margin: 0 auto;
  padding: 22px 24px 40px;
}

.public-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 52px;
}

.brand,
.header-link,
.hero-actions a,
.public-footer a {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand img {
  display: block;
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.header-link {
  padding: 10px 15px;
  border: 1px solid rgba(0, 212, 255, 0.36);
  border-radius: 999px;
  color: #a5ecff;
  font-size: 14px;
  font-weight: 650;
}

.hero {
  max-width: 820px;
  padding: clamp(74px, 12vw, 142px) 0 96px;
}

.eyebrow {
  margin: 0 0 15px;
  color: #82e6ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.hero-copy {
  max-width: 700px;
  margin-bottom: 32px;
  color: var(--about-copy);
  font-size: clamp(18px, 2.3vw, 23px);
  line-height: 1.58;
}

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

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 750;
}

.primary-action {
  background: linear-gradient(100deg, var(--about-purple), var(--about-cyan));
  box-shadow: 0 14px 32px rgba(0, 212, 255, 0.12);
}

.secondary-action {
  border: 1px solid rgba(200, 203, 228, 0.22);
  color: var(--about-copy);
}

.content-section {
  padding: 76px 0;
  border-top: 1px solid rgba(200, 203, 228, 0.11);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.feature-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.audience-card {
  min-height: 180px;
  padding: 25px;
  border: 1px solid var(--about-border);
  border-radius: 18px;
  background: var(--about-panel);
}

.feature-card h3,
.audience-card h3 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.25;
}

.feature-card p,
.audience-card p,
.faq-section details p {
  margin-bottom: 0;
  color: var(--about-copy);
  font-size: 16px;
  line-height: 1.6;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
  gap: 48px;
}

.split-section .section-heading {
  margin-bottom: 0;
}

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

.faq-section details {
  padding: 20px 0;
  border-bottom: 1px solid rgba(200, 203, 228, 0.14);
}

.faq-section summary {
  cursor: pointer;
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
}

.faq-section details p {
  max-width: 760px;
  padding-top: 13px;
}

.public-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  padding-top: 30px;
  color: var(--about-muted);
  font-size: 14px;
}

.public-footer a:hover,
.header-link:hover,
.secondary-action:hover {
  color: #ffffff;
}

.public-footer p {
  flex-basis: 100%;
  margin-bottom: 0;
  color: #73799f;
  font-size: 13px;
}

@media (max-width: 700px) {
  .public-page {
    padding: 16px 18px 30px;
  }

  .hero {
    padding: 78px 0 70px;
  }

  .feature-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .split-section {
    gap: 28px;
  }

  .content-section {
    padding: 58px 0;
  }
}

@media (max-width: 460px) {
  .header-link {
    padding: 9px 11px;
    font-size: 13px;
  }

  h1 {
    font-size: clamp(37px, 12vw, 54px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions a {
    width: 100%;
  }

  .feature-card,
  .audience-card {
    padding: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}