:root {
  --text: #0b1021;
  --accent: #4b7bff;
  --dark: #0f172a;
  --light: #f6f8ff;
  --border: #e3e8f0;
  --success: #1eb980;
  --error: #e5484d;
  --bg: #ffffff;
  --shadow: 0 15px 40px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

a {
  color: inherit;
}

a:hover {
  color: var(--accent);
}

.page {
  padding-top: 90px;
}

.content-grid {
  width: min(1100px, 100% - 32px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
}

.header__grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.4px;
}

.primary-nav .navigation {
  list-style: none;
  display: flex;
  gap: 18px;
  padding: 0;
  margin: 0;
  justify-content: center;
}

.primary-nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

.primary-nav a.active {
  color: var(--accent);
}

.header__actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease, color 150ms ease;
}

.button--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow);
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 45px rgba(75, 123, 255, 0.35);
}

.button--ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

.button--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button--link {
  background: transparent;
  border: none;
  color: var(--accent);
  padding: 0;
  margin: 0;
  justify-content: center;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero {
  padding: 80px 0;
  background: radial-gradient(circle at 20% 20%, rgba(75, 123, 255, 0.12), transparent 40%),
    radial-gradient(circle at 80% 10%, rgba(14, 185, 128, 0.12), transparent 35%);
  scroll-margin-top: 130px;
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.hero__copy h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3rem);
  margin: 12px 0;
}

.lede {
  color: #3b4256;
  font-size: 1.05rem;
}

.hero__accent {
  position: relative;
  min-height: 260px;
}

.orb {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, #4b7bff 0%, #0f172a 70%);
  border-radius: 24px;
  filter: blur(30px);
  opacity: 0.25;
}

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
  max-width: 320px;
  margin-left: auto;
}

.card__title {
  font-weight: 700;
  margin: 0 0 8px;
}

.card__body {
  margin: 0;
}

.section {
  padding: 80px 0;
  scroll-margin-top: 130px;
}

.section--light {
  background: var(--light);
}

.section--dark {
  background: var(--dark);
  color: #f5f7ff;
}

.section__header h2 {
  margin: 8px 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: #5a6280;
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.feature-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  background: #fff;
  min-height: 160px;
}

.security-subsections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.security-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: #fff;
}

.badge {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--light);
  color: var(--accent);
  font-weight: 700;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
}

.design {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  align-items: center;
}

.panel-card {
  background: linear-gradient(135deg, rgba(75, 123, 255, 0.9), rgba(14, 185, 128, 0.9));
  color: #fff;
  border-radius: 20px;
  padding: 26px;
  box-shadow: var(--shadow);
  min-height: 180px;
}

.bullet-list {
  padding-left: 18px;
  color: #2f3547;
}

.accordion details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  background: #fff;
  margin-bottom: 10px;
}

.accordion summary {
  cursor: pointer;
  font-weight: 600;
}

.footer {
  background: var(--dark);
  color: #e5e9f5;
  padding: 32px 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  align-items: center;
}

.footer__links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.footer__links a:hover {
  color: var(--accent);
}

.footer__meta {
  text-align: right;
}

.small {
  color: #c8d0e4;
  margin: 4px 0 0;
}

.waitlist__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  align-items: start;
}

.form-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: grid;
  gap: 12px;
  background: #fff;
  box-shadow: var(--shadow);
}

.form-card label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  color: #242a3c;
}

.form-card input,
.form-card textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
  font-family: inherit;
}

.form__error {
  color: var(--error);
  margin: 0;
  min-height: 20px;
}

.form__success {
  display: none;
  background: rgba(30, 185, 128, 0.12);
  border: 1px solid rgba(30, 185, 128, 0.4);
  color: #0f5132;
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 600;
}

.required {
  color: var(--accent);
  margin-left: 4px;
}

.hidden {
  display: none;
}

.note {
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(75, 123, 255, 0.08);
  border: 1px dashed var(--border);
  border-radius: 12px;
}

.legal__content {
  display: grid;
  gap: 14px;
}

@media (max-width: 800px) {
  .header__grid {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .primary-nav .navigation {
    justify-content: flex-start;
  }

  .header__actions {
    width: 100%;
    justify-content: flex-start;
  }

  .footer__meta {
    text-align: left;
  }
}