:root {
  --ink: #101318;
  --muted: #4d5c68;
  --paper: #eff4f8;
  --paper-deep: #dce8f0;
  --line: rgba(0, 70, 132, 0.16);
  --brand: #004684;
  --brand-deep: #002f5f;
  --accent: #0a62a8;
  --panel: rgba(255, 255, 255, 0.9);
  --shadow: 0 18px 44px rgba(0, 47, 95, 0.16);
  --font-sans: "IBM Plex Sans", "Aptos", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(10, 98, 168, 0.2), transparent 28rem),
    radial-gradient(circle at 100% 0%, rgba(0, 47, 95, 0.16), transparent 34rem),
    linear-gradient(160deg, #ffffff 0%, var(--paper) 56%, var(--paper-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 19, 24, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 19, 24, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 80%);
}

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

.site-header,
.hero,
.capability-band,
.section-grid,
.demo-section,
.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
}

.brand-logo {
  display: block;
  width: min(230px, 100%);
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  padding: 56px 0 36px;
  align-items: stretch;
}

.eyebrow,
.section-tag,
.band-kicker,
.stat-label {
  display: inline-block;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.band-card h2,
.panel h2,
.demo-copy h2,
.thanks-card h1 {
  margin: 0;
  line-height: 0.95;
  letter-spacing: 0;
}

.hero h1 {
  margin-top: 10px;
  font-size: clamp(3rem, 8vw, 5.8rem);
}

.lede,
.supporting,
.band-card p,
.panel p,
.demo-copy p,
.thanks-card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: none;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  color: var(--ink);
  box-shadow: none;
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.hero-card,
.band-card,
.panel,
.demo-form,
.thanks-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-card,
.band-card,
.panel {
  padding: 24px;
}

.capability-band {
  padding: 12px 0 24px;
}

.band-card h2 {
  margin-top: 10px;
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 20px 0 40px;
}

.panel.wide {
  grid-column: 1 / -1;
}

.demo-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 20px;
  padding: 26px 0 56px;
  align-items: start;
}

.demo-form {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.demo-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.demo-form input,
.demo-form select,
.demo-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 15px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font: inherit;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 28px;
}

.footer-mark {
  width: 64px;
  height: auto;
}

.footer-links {
  display: flex;
  gap: 16px;
  font-weight: 700;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.thanks-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.thanks-card {
  width: min(560px, 100%);
  padding: 32px;
  text-align: center;
}

.thanks-card img {
  width: 84px;
  height: auto;
}

@media (max-width: 960px) {
  .hero,
  .demo-section,
  .section-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header,
  .hero,
  .capability-band,
  .section-grid,
  .demo-section,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .site-nav,
  .footer-links,
  .hero-actions {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 28px;
  }

  .band-card h2,
  .panel h2,
  .demo-copy h2 {
    font-size: 2rem;
    line-height: 1.02;
  }
}