:root {
  --ink: #111827;
  --muted: #647084;
  --line: #dce3ec;
  --soft: #f4f7fb;
  --panel: #ffffff;
  --brand: #0877c9;
  --brand-dark: #075c9b;
  --green: #16845c;
  --gold: #a36b00;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--brand);
  color: white;
}

nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

nav a,
.header-cta,
.primary,
.secondary {
  text-decoration: none;
}

.header-cta,
.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 0;
  border-radius: 5px;
  padding: 0 18px;
  background: var(--brand);
  color: white;
  font-weight: 750;
  cursor: pointer;
}

.header-cta:hover,
.primary:hover {
  background: var(--brand-dark);
}

.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0 18px;
  background: white;
  color: var(--ink);
  font-weight: 750;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(48px, 8vw, 88px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(135deg, #f7fbff 0%, #ffffff 48%, #eef6f3 100%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  font-size: 22px;
}

.lead {
  max-width: 690px;
  color: #4a5568;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.product-frame {
  min-height: 500px;
  border: 1px solid #cfd9e5;
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: 0 30px 80px rgba(20, 35, 55, 0.16);
}

.frame-top {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.frame-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #b6c1cf;
}

.frame-top b {
  margin-left: 10px;
  font-size: 13px;
}

.frame-body {
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 452px;
}

.frame-body aside {
  padding: 18px;
  background: #17243b;
  color: white;
}

.frame-body aside strong {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  color: #dbe8f6;
}

.frame-body aside button {
  width: 100%;
  margin-bottom: 10px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.08);
  color: white;
  text-align: left;
}

.frame-body aside button span {
  display: block;
  margin-top: 4px;
  color: #aec3dc;
  font-size: 12px;
}

.frame-body aside .complete {
  background: rgba(22, 132, 92, 0.35);
}

.frame-body section {
  padding: 26px;
  background: #f5f8fb;
}

.chat {
  max-width: 86%;
  margin-bottom: 14px;
  padding: 14px 16px;
  border-radius: 6px;
}

.chat.bot {
  background: white;
  border: 1px solid var(--line);
}

.chat.user {
  margin-left: auto;
  background: #dff0ff;
  color: #103d63;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 32px;
}

.status-grid article,
.proof-strip article,
.feature-list article,
.steps article,
.pilot-card,
.contact-form {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.status-grid article {
  padding: 14px;
}

.status-grid small,
.proof-strip span,
.feature-list span {
  display: block;
  color: var(--muted);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.proof-strip article {
  border: 0;
  border-radius: 0;
  padding: 24px clamp(18px, 3vw, 36px);
}

.section {
  padding: clamp(56px, 8vw, 96px) clamp(18px, 5vw, 72px);
}

.two-column,
.security,
.contact {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(360px, 1.2fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: start;
}

.section p {
  color: #4a5568;
  font-size: 17px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.feature-list article {
  padding: 20px;
}

.feature-list b {
  display: block;
  margin-bottom: 8px;
}

.ai-gateway {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: start;
  background: #f8fbfd;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.gateway-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.gateway-grid article {
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.gateway-grid b {
  display: block;
  margin-bottom: 8px;
}

.gateway-grid span {
  color: var(--muted);
}

.workflow {
  background: var(--soft);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.steps article {
  padding: 22px;
}

.steps span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 50%;
  background: #e3f1fd;
  color: var(--brand);
  font-weight: 850;
}

.security ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.security li {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.security li:last-child {
  border-bottom: 0;
}

.pilot {
  background: #101b2d;
  color: white;
}

.pilot .eyebrow,
.pilot p {
  color: #b9d7f0;
}

.pilot-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  padding: 28px;
  background: #17243b;
  border-color: rgba(255, 255, 255, 0.12);
}

.pilot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.pilot-grid span {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.06);
}

.contact-form {
  padding: 24px;
}

.contact-form label {
  display: block;
  margin-bottom: 16px;
  font-weight: 750;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 7px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer b {
  color: var(--ink);
}

@media (max-width: 980px) {
  .hero,
  .two-column,
  .security,
  .ai-gateway,
  .contact,
  .pilot-card {
    grid-template-columns: 1fr;
  }

  .proof-strip,
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .product-frame {
    min-height: auto;
  }

  .frame-body,
  .feature-list,
  .proof-strip,
  .steps,
  .status-grid,
  .pilot-grid {
    grid-template-columns: 1fr;
  }

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

  .frame-body aside {
    display: none;
  }

  footer {
    flex-direction: column;
  }
}