:root {
  --concrete: #eef1f0;
  --concrete-2: #e3e8e8;
  --ink: #101820;
  --muted: #61717d;
  --line: rgba(16, 24, 32, .11);
  --cyan: #008ca0;
  --blue: #2f6fff;
  --gold: #c69a52;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { background: var(--concrete); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, #f5f7f7 0%, var(--concrete) 42%, #e7ebec 100%);
  overflow-x: hidden;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(238, 241, 240, .9);
  border-bottom: 1px solid rgba(16, 24, 32, .07);
  backdrop-filter: blur(18px);
}
.nav { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 27px; font-weight: 900; }
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(16, 24, 32, .08);
}
.brand-mark img { width: 27px; height: 27px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 750; }
.nav-links a { text-decoration: none; color: #41515d; }
.nav-links a:hover, .text-link:hover { color: var(--cyan); }

.breadcrumb { padding-top: 34px; color: #657681; font-size: 14px; }
.breadcrumb a { color: #0b7786; text-decoration: none; }
.hero { padding: 26px 0 78px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(300px, .78fr); gap: 64px; align-items: end; }
.hero-grid > * { min-width: 0; }
.eyebrow { color: #087487; font-size: 13px; font-weight: 850; text-transform: uppercase; }
h1 {
  max-width: 780px;
  margin: 18px 0 26px;
  font-size: clamp(46px, 7vw, 82px);
  line-height: .98;
  font-weight: 940;
  overflow-wrap: break-word;
}
.hero-copy { max-width: 720px; }
.hero-copy p { margin: 0 0 15px; color: var(--muted); font-size: 19px; line-height: 1.65; }
.hero-signal {
  min-height: 300px;
  padding: 34px;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(145deg, #0a1420, #152a3f 62%, #0b1a28);
  box-shadow: 0 32px 80px rgba(16, 24, 32, .18);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hero-signal strong { display: block; max-width: 310px; font-size: 30px; line-height: 1.08; }
.signal-line { width: 74%; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--gold)); }
.hero-signal span { color: rgba(255, 255, 255, .69); line-height: 1.5; }

.content-section { border-top: 1px solid var(--line); }
.section-inner { width: min(820px, calc(100% - 48px)); margin: 0 auto; padding: 62px 0; }
.content-section:nth-child(even) { background: rgba(255, 255, 255, .35); }
h2 { margin: 0 0 24px; font-size: clamp(30px, 4.5vw, 46px); line-height: 1.08; }
.content-section p { margin: 0 0 18px; color: var(--muted); font-size: 18px; line-height: 1.72; }
.content-section a { color: #087487; font-weight: 730; }
.workflow-list { margin: 24px 0; padding-left: 25px; color: #34444f; font-size: 17px; line-height: 1.8; }
.workflow-list li { padding-left: 8px; }

.cta-band { padding: 76px 0; color: #fff; background: #0b1521; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 42px; align-items: center; }
.cta-band h2 { max-width: 650px; margin: 0 0 14px; }
.cta-band p { margin: 0; color: rgba(255, 255, 255, .68); font-size: 18px; }
.play-badge { width: 190px; display: inline-flex; transition: transform .18s ease; }
.play-badge:hover { transform: translateY(-2px); }

footer { padding: 30px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; color: #657681; font-size: 13px; }
.footer-brand { display: flex; align-items: center; gap: 9px; }
.footer-brand img { width: 21px; height: 21px; object-fit: contain; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
.footer-links a { text-decoration: none; }

@media (max-width: 820px) {
  .container, .section-inner { width: min(100% - 28px, var(--max)); }
  .nav { padding: 12px 0; align-items: flex-start; }
  .brand { font-size: 23px; }
  .nav-links { justify-content: flex-end; flex-wrap: wrap; gap: 10px 16px; }
  .hero { padding-bottom: 52px; }
  .hero-grid { display: block; }
  .hero-signal { margin-top: 34px; }
  .hero-signal { min-height: 240px; }
  .section-inner { padding: 48px 0; }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 520px) {
  .nav { display: block; }
  .nav-links { margin-top: 14px; justify-content: flex-start; }
  h1 { font-size: 44px; }
  .hero-copy p, .content-section p { font-size: 17px; }
  .hero-signal { padding: 26px; border-radius: 22px; }
}
