:root {
  --bg: #071428;
  --bg-soft: #0c1d34;
  --card: rgba(10, 22, 42, 0.78);
  --card-border: rgba(173, 214, 255, 0.14);
  --text: #f8fbff;
  --muted: rgba(233, 242, 255, 0.76);
  --accent: #55c1e7;
  --accent-warm: #d86d5f;
  --shadow: 0 24px 60px rgba(3, 10, 24, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(85, 193, 231, 0.12), transparent 28%),
    linear-gradient(180deg, #071428 0%, #09192d 48%, #050d19 100%);
}

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

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  padding: 24px 0 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(173, 214, 255, 0.2);
  background: rgba(7, 20, 40, 0.58);
  color: var(--muted);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: stretch;
  padding: 28px 0 42px;
}

.hero-copy,
.hero-visual,
.section-card {
  border: 1px solid var(--card-border);
  background: var(--card);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-copy {
  padding: 42px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #9ddcff;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.7rem);
  line-height: 0.92;
}

.subtitle {
  margin: 22px 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 1.14rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(135deg, #16406e, var(--accent-warm));
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.stat {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.stat strong {
  display: block;
  font-size: 1.4rem;
}

.stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  min-height: 540px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.visual-overlay {
  position: absolute;
  inset: auto 20px 20px 20px;
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(7, 20, 40, 0.08), rgba(7, 20, 40, 0.76));
}

.visual-overlay strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.06rem;
}

.visual-overlay p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  padding-bottom: 22px;
}

.section-card {
  padding: 28px;
}

.section-card h2 {
  margin: 0 0 16px;
  font-size: 1.4rem;
}

.section-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  position: relative;
  margin-top: 14px;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

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

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.workflow-step {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
}

.workflow-step strong {
  display: block;
  margin-bottom: 8px;
}

.workflow-step p {
  margin: 0;
  font-size: 0.98rem;
}

.footer-cta {
  padding: 0 0 48px;
}

.footer-cta .section-card {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}

.footer-cta p {
  max-width: 64ch;
}

@media (max-width: 980px) {
  .hero,
  .content-grid,
  .workflow,
  .stats,
  .footer-cta .section-card {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 30px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .footer-cta .section-card {
    display: block;
  }
}