:root {
  --ink: #152033;
  --muted: #5a6578;
  --line: #dbe4ef;
  --soft: #f5f8fb;
  --panel: #ffffff;
  --blue: #1f6feb;
  --green: #158a66;
  --amber: #b86b00;
  --red: #b84a2a;
  --steel: #334155;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  background: #f8fafc;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

.navbar {
  border-bottom: 1px solid rgba(219, 228, 239, 0.92);
  backdrop-filter: blur(12px);
}

.navbar .nav-link {
  color: #49566a;
  font-size: 0.93rem;
  font-weight: 600;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
  color: var(--blue);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 7rem 0 4.5rem;
  color: #ffffff;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(14, 24, 39, 0.92) 0%, rgba(14, 24, 39, 0.78) 42%, rgba(14, 24, 39, 0.22) 100%),
    url("../img/hero-business-dashboard.png");
  background-size: cover;
  background-position: center;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.82);
}

.hero-card {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 1rem;
}

.section {
  padding: 5rem 0;
}

.section-white {
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #9cc9ff;
}

.lead {
  color: var(--muted);
}

.benefit-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.52rem 0.78rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 700;
  font-size: 0.92rem;
}

.card-soft,
.feature-card,
.impact-card,
.scenario-card,
.roadmap-card,
.proof-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(37, 56, 88, 0.06);
}

.feature-card,
.impact-card,
.scenario-card,
.roadmap-card,
.proof-card {
  height: 100%;
  padding: 1.35rem;
}

.icon-box {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #edf5ff;
  color: var(--blue);
  font-size: 1.28rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.52rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  color: #ffffff;
  background: var(--green);
}

.tag.interpretation {
  background: var(--amber);
}

.tag.recommendation {
  background: var(--blue);
}

.tag.verify {
  background: var(--red);
}

.problem-row {
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}

.problem-row:last-child {
  border-bottom: 0;
}

.process-step {
  position: relative;
  padding-left: 3rem;
  min-height: 3rem;
}

.process-step::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: var(--blue);
  font-weight: 800;
}

.process-step + .process-step {
  margin-top: 1.2rem;
}

.cta-band {
  color: #ffffff;
  background: #17324d;
}

.table thead th {
  color: #324258;
  background: #f2f6fb;
}

.source {
  display: inline-block;
  margin: 0.12rem 0.18rem 0.12rem 0;
  padding: 0.24rem 0.45rem;
  border-radius: 6px;
  background: #eef3f8;
  color: #46566d;
  font-size: 0.78rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 12px 30px rgba(31, 111, 235, 0.25);
}

.back-to-top.visible {
  display: inline-flex;
}

code {
  color: #2e5d98;
}

@media (max-width: 991.98px) {
  .hero {
    min-height: auto;
    padding: 6.25rem 0 3.5rem;
    background-position: 62% center;
  }

  .section {
    padding: 3.4rem 0;
  }
}

@media (max-width: 575.98px) {
  .hero {
    background-image:
      linear-gradient(90deg, rgba(14, 24, 39, 0.94) 0%, rgba(14, 24, 39, 0.86) 100%),
      url("../img/hero-business-dashboard.png");
  }
}