:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: #000;
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

a {
  color: inherit;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #000;
  border-bottom: 1px solid rgba(49, 168, 242, 0.2);
}

.site-header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-logo-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.site-logo-company {
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-logo-product {
  color: #31a8f2;
  font-family: Verdana, Arial, sans-serif;
  font-weight: 700;
  font-size: 20px;
}

.site-nav {
  display: flex;
  gap: 28px;
}

.site-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 15px;
}

.site-nav a:hover {
  color: #31a8f2;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: flex-start;
  background-color: #000;
  background-image: url("hero-bg.png");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: #000;
  opacity: 0.25;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 240px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), #000);
  pointer-events: none;
}

.piab-hero {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 140px 40px 200px 40px;
  text-align: left;
}

.piab-eyebrow {
  color: #31a8f2;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 22px;
  font-weight: 600;
}

.piab-hero h1 {
  color: #ffffff;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.02;
  margin: 0 0 28px 0;
  font-weight: 700;
  font-family: Verdana, Arial, sans-serif;
  max-width: 920px;
}

.piab-subtitle {
  color: #ffffff;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.25;
  margin: 0 0 18px 0;
  font-weight: 400;
  max-width: 820px;
}

.piab-description {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.55;
  margin: 0 0 34px 0;
  max-width: 620px;
}

.piab-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.piab-button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.piab-button.primary {
  background: #31a8f2;
  color: #000;
}

.piab-button.secondary {
  border: 1px solid rgba(49, 168, 242, 0.55);
  color: #ffffff;
  background: rgba(0, 0, 0, 0.35);
}

/* Sections */

.piab-section {
  background: #000;
  padding: 110px 0;
}

.piab-section-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

.piab-section h2 {
  color: #fff;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.08;
  margin: 0 0 26px;
  max-width: 860px;
}

.piab-lead {
  color: rgba(255, 255, 255, 0.78);
  font-size: 24px;
  line-height: 1.45;
  max-width: 760px;
  margin: 0 0 44px;
}

.piab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 0 0 42px;
}

.piab-grid-two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 860px;
}

.piab-grid-three {
  grid-template-columns: repeat(3, 1fr);
}

.piab-card {
  border: 1px solid rgba(49, 168, 242, 0.28);
  background: rgba(49, 168, 242, 0.06);
  color: #fff;
  padding: 24px;
  border-radius: 18px;
  font-size: 18px;
  line-height: 1.35;
  min-height: 120px;
}

.piab-card strong {
  color: #ffffff;
  font-weight: 700;
}

.piab-closing {
  color: rgba(255, 255, 255, 0.72);
  font-size: 21px;
  line-height: 1.5;
  max-width: 780px;
}

.piab-insight-section {
  background: radial-gradient(circle at 20% 20%, rgba(49, 168, 242, 0.16), transparent 30%), #000;
}

.piab-solution-section {
  background: radial-gradient(circle at 80% 20%, rgba(49, 168, 242, 0.14), transparent 28%), #000;
}

.piab-proof-section {
  background: #000;
}

.piab-proof-panel {
  border: 1px solid rgba(49, 168, 242, 0.32);
  background-image: url("proof-placeholder.png");
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
  background-color: rgba(255, 255, 255, 0.02);
  border-radius: 24px;
  min-height: 420px;
  padding: 32px;
  margin: 44px 0;
}

.piab-workloads-section {
  background: radial-gradient(circle at 15% 30%, rgba(49, 168, 242, 0.12), transparent 30%), #000;
}

.piab-agent-section {
  background: radial-gradient(circle at 75% 20%, rgba(49, 168, 242, 0.14), transparent 30%), #000;
}

.piab-cta-section {
  background: #000;
  padding-top: 160px;
  padding-bottom: 180px;
}

.piab-cta-section h2 {
  max-width: 760px;
}

/* Footer */

.site-footer {
  background: #000;
  border-top: 1px solid rgba(49, 168, 242, 0.2);
}

.site-footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 40px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

@media (max-width: 900px) {
  .piab-grid,
  .piab-grid-two,
  .piab-grid-three {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .piab-hero {
    padding: 90px 24px 140px 24px;
  }

  .piab-section-inner {
    padding-left: 24px;
    padding-right: 24px;
  }

  .piab-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-header-inner {
    padding: 16px 24px;
  }

  .site-nav {
    display: none;
  }
}