:root {
  --oi-ink: #0c1b33;
  --oi-muted: #637083;
  --oi-line: #dce6f2;
  --oi-soft: #f6f9fd;
  --oi-blue: #1155cc;
  --oi-blue-2: #2f7df6;
  --oi-sky: #eaf3ff;
  --oi-card: #ffffff;
  --oi-shadow: 0 18px 48px rgba(13, 44, 84, 0.09);
  --oi-radius: 8px;
}

.oi-section {
  background: var(--oi-soft);
  color: var(--oi-ink);
  padding: 112px 0;
}

.oi-section-white {
  background: #ffffff;
}

.oi-container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.oi-eyebrow {
  color: var(--oi-blue);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.oi-eyebrow:before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 999px;
  background: var(--oi-blue);
}

.oi-heading {
  color: var(--oi-ink);
  font-family: "Plus Jakarta Sans", "Inter", Arial, sans-serif;
  font-size: clamp(2rem, 4vw, 4.1rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0;
}

.oi-subhead {
  color: var(--oi-muted);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.75;
  margin: 22px 0 0;
  max-width: 760px;
}

.oi-hero-grid,
.oi-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.92fr);
  gap: 56px;
  align-items: center;
}

.oi-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.oi-btn {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 6px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 50px;
  padding: 14px 20px;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.oi-btn-primary {
  background: var(--oi-blue);
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(17, 85, 204, 0.2);
}

.oi-btn-secondary {
  background: #ffffff;
  border-color: var(--oi-line);
  color: var(--oi-ink);
}

.oi-btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.oi-btn-primary:hover {
  color: #ffffff;
  background: #0c46aa;
}

.oi-btn-secondary:hover {
  color: var(--oi-ink);
  border-color: #b9c9de;
}

.oi-problem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 46px;
}

.oi-card {
  background: var(--oi-card);
  border: 1px solid var(--oi-line);
  border-radius: var(--oi-radius);
  box-shadow: 0 10px 28px rgba(22, 48, 77, 0.05);
  padding: 22px;
}

.oi-card h3,
.oi-card h4 {
  color: var(--oi-ink);
  font-family: "Plus Jakarta Sans", "Inter", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.3;
  margin: 12px 0 8px;
}

.oi-card p {
  color: var(--oi-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0;
}

.oi-icon {
  align-items: center;
  background: var(--oi-sky);
  border: 1px solid #d4e6ff;
  border-radius: 8px;
  color: var(--oi-blue);
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 900;
  height: 38px;
  justify-content: center;
  letter-spacing: 0.04em;
  width: 38px;
}

.oi-framework {
  display: grid;
  grid-template-columns: repeat(7, minmax(150px, 1fr));
  gap: 14px;
  margin-top: 46px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.oi-step {
  background: #ffffff;
  border: 1px solid var(--oi-line);
  border-radius: var(--oi-radius);
  min-width: 150px;
  padding: 18px;
  position: relative;
}

.oi-step:not(:last-child):after {
  background: var(--oi-line);
  content: "";
  height: 1px;
  position: absolute;
  right: -14px;
  top: 37px;
  width: 14px;
}

.oi-step-number {
  align-items: center;
  background: var(--oi-ink);
  border-radius: 999px;
  color: #ffffff;
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 900;
  height: 26px;
  justify-content: center;
  width: 26px;
}

.oi-step h3,
.oi-step h4 {
  color: var(--oi-ink);
  font-size: 0.95rem;
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.25;
  margin: 14px 0 8px;
}

.oi-step p {
  color: var(--oi-muted);
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0;
}

.oi-dashboard {
  background: #ffffff;
  border: 1px solid var(--oi-line);
  border-radius: 12px;
  box-shadow: var(--oi-shadow);
  padding: 16px;
}

.oi-framework-art {
  background: #ffffff;
  border: 1px solid var(--oi-line);
  border-radius: 12px;
  box-shadow: var(--oi-shadow);
  margin-top: 46px;
  overflow: hidden;
  padding: 12px;
}

.oi-framework-art img {
  border-radius: 8px;
  display: block;
  height: auto;
  width: 100%;
}

.oi-framework-art-caption {
  align-items: center;
  color: var(--oi-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.92rem;
  gap: 10px;
  justify-content: space-between;
  line-height: 1.5;
  padding: 14px 6px 4px;
}

.oi-framework-art-caption strong {
  color: var(--oi-ink);
}

.oi-window-bar {
  align-items: center;
  border-bottom: 1px solid var(--oi-line);
  display: flex;
  gap: 6px;
  padding: 2px 0 14px;
}

.oi-dot {
  border-radius: 999px;
  display: block;
  height: 8px;
  width: 8px;
}

.oi-dot:nth-child(1) { background: #ff6b6b; }
.oi-dot:nth-child(2) { background: #ffd166; }
.oi-dot:nth-child(3) { background: #06d6a0; }

.oi-dashboard-body {
  display: grid;
  gap: 14px;
  padding-top: 16px;
}

.oi-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.oi-kpi {
  background: var(--oi-soft);
  border: 1px solid #e8eef7;
  border-radius: 8px;
  padding: 14px;
}

.oi-kpi span {
  color: var(--oi-muted);
  display: block;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.oi-kpi strong {
  color: var(--oi-ink);
  display: block;
  font-size: 1.55rem;
  margin-top: 8px;
}

.oi-chart {
  align-items: end;
  background: linear-gradient(180deg, #ffffff, #f7fbff);
  border: 1px solid #e8eef7;
  border-radius: 8px;
  display: flex;
  gap: 9px;
  height: 174px;
  padding: 18px;
}

.oi-chart span {
  background: var(--oi-blue-2);
  border-radius: 4px 4px 0 0;
  display: block;
  flex: 1;
  min-width: 16px;
  opacity: 0.86;
}

.oi-panel-row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 14px;
}

.oi-mini-list,
.oi-flow-panel {
  background: var(--oi-soft);
  border: 1px solid #e8eef7;
  border-radius: 8px;
  padding: 16px;
}

.oi-mini-list span {
  align-items: center;
  color: var(--oi-ink);
  display: flex;
  font-size: 0.87rem;
  font-weight: 700;
  gap: 8px;
  margin-bottom: 10px;
}

.oi-mini-list span:before {
  background: var(--oi-blue);
  border-radius: 999px;
  content: "";
  height: 7px;
  width: 7px;
}

.oi-flow-panel {
  display: grid;
  gap: 10px;
}

.oi-flow-node {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--oi-line);
  border-radius: 6px;
  color: var(--oi-ink);
  display: flex;
  font-size: 0.85rem;
  font-weight: 800;
  justify-content: space-between;
  padding: 10px 12px;
}

.oi-flow-node em {
  color: var(--oi-blue);
  font-style: normal;
}

.oi-map {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 22px;
  align-items: center;
  margin-top: 46px;
}

.oi-chaos,
.oi-order {
  min-height: 300px;
}

.oi-badge-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.oi-badge {
  background: #ffffff;
  border: 1px solid var(--oi-line);
  border-radius: 999px;
  color: var(--oi-ink);
  display: inline-flex;
  font-weight: 800;
  justify-content: space-between;
  padding: 10px 14px;
}

.oi-arrow {
  color: var(--oi-blue);
  font-size: 2.4rem;
  font-weight: 900;
  text-align: center;
}

.oi-benefit-grid,
.oi-service-grid,
.oi-tech-grid {
  display: grid;
  gap: 16px;
  margin-top: 46px;
}

.oi-benefit-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.oi-service-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.oi-tech-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.oi-metric strong {
  color: var(--oi-blue);
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 10px;
}

.oi-case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 46px;
}

.oi-case-title {
  align-items: center;
  color: var(--oi-ink);
  display: flex;
  font-size: 1rem;
  font-weight: 900;
  justify-content: space-between;
  margin-bottom: 16px;
}

.oi-case-title span {
  color: var(--oi-blue);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.oi-flowchart {
  display: grid;
  gap: 10px;
}

.oi-flowchart div {
  background: var(--oi-soft);
  border: 1px solid var(--oi-line);
  border-radius: 6px;
  color: var(--oi-ink);
  font-weight: 800;
  padding: 12px 14px;
}

.oi-final {
  background: #eef6ff;
  border-top: 1px solid #d8e9ff;
  text-align: center;
}

.oi-final .oi-subhead {
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1100px) {
  .oi-problem-grid,
  .oi-tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 900px) {
  .oi-section {
    padding: 82px 0;
  }

  .oi-hero-grid,
  .oi-split,
  .oi-map,
  .oi-case-grid {
    grid-template-columns: 1fr;
  }

  .oi-arrow {
    transform: rotate(90deg);
  }

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

@media (max-width: 620px) {
  .oi-container {
    width: min(100% - 28px, 1120px);
  }

  .oi-problem-grid,
  .oi-benefit-grid,
  .oi-service-grid,
  .oi-tech-grid,
  .oi-kpi-row,
  .oi-panel-row {
    grid-template-columns: 1fr;
  }

  .oi-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .oi-btn {
    width: 100%;
  }
}