* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: "Mulish", sans-serif;
  color: rgb(244, 247, 251);
  background: rgb(11, 16, 23);
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Merriweather", Georgia, serif;
}

.hub-page {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1rem, 2.2vw, 2rem);
}

.hub-header,
.hub-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hub-header {
  display: grid;
  gap: 1rem;
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(1rem, 2vw, 1.4rem);
}

.hub-kicker,
.section-label,
.module-card span {
  margin: 0;
  color: rgb(255, 120, 79);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hub-header h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  line-height: 0.98;
}

.hub-header p:last-child {
  max-width: 760px;
  margin: 0;
  color: rgb(197, 210, 223);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.7;
}

.hub-layout {
  display: grid;
  gap: 1rem;
  padding-bottom: 2rem;
}

.hub-panel {
  padding: clamp(1rem, 2vw, 1.4rem);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 12px;
  background: rgb(20, 28, 40);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
}

.hub-overview {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 1rem;
  align-items: start;
}

.hub-panel h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.35rem, 2vw, 2rem);
}

.guide-panel {
  display: grid;
  gap: 1rem;
}

.demo-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo-steps li {
  display: grid;
  align-content: start;
  gap: 0.7rem;
  min-height: 15rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.demo-steps li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid rgba(255, 91, 46, 0.42);
  border-radius: 50%;
  color: rgb(255, 120, 79);
  font-size: 0.78rem;
  font-weight: 800;
}

.demo-steps strong {
  display: block;
  margin-bottom: 0.45rem;
}

.demo-steps p {
  margin: 0;
  color: rgb(143, 163, 184);
  line-height: 1.55;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  gap: 0.45rem;
  min-height: 8rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.flow-list strong {
  font-size: 1rem;
}

.flow-list span,
.panel-heading p,
.module-card em {
  color: rgb(143, 163, 184);
  font-style: normal;
  line-height: 1.55;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.panel-heading p {
  max-width: 390px;
  margin: 0;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.module-card {
  display: grid;
  gap: 0.5rem;
  min-height: 10rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  color: rgb(244, 247, 251);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.04);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.module-card:hover,
.module-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 91, 46, 0.12);
  outline: none;
}

.module-card--operator span {
  color: rgb(40, 199, 111);
}

.module-card strong {
  font-size: 1.08rem;
}

@media (max-width: 920px) {
  .hub-overview,
  .flow-list,
  .demo-steps,
  .module-grid {
    grid-template-columns: 1fr;
  }

  .panel-heading {
    display: grid;
    align-items: start;
  }
}

@media (min-width: 921px) and (max-width: 1180px) {
  .demo-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}