/* =====================================================
   InterLink Domain Pages — shared layout
===================================================== */

/* breadcrumb */
.breadcrumb {
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-line);
  font-size: 13px;
}
.breadcrumb-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 24px;
  color: var(--c-text-mute);
}
.breadcrumb-inner a {
  color: var(--c-blue);
  transition: color .15s;
}
.breadcrumb-inner a:hover { color: var(--c-orange-dark); text-decoration: underline; }
.breadcrumb-sep { margin: 0 8px; color: #aaa; }
.breadcrumb-current { color: var(--c-text); font-weight: 600; }

/* domain hero */
.dhero {
  background:
    radial-gradient(circle at 88% 18%, rgba(255,153,0,.14), transparent 42%),
    radial-gradient(circle at 8% 90%, rgba(20,110,180,.18), transparent 50%),
    linear-gradient(135deg, #0F1825 0%, #1B2330 55%, #232F3E 100%);
  color: #fff;
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.dhero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 75%);
  pointer-events: none;
}
.dhero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.dhero-icon {
  width: 72px;
  height: 72px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    0 12px 32px rgba(0,0,0,.32);
}
.dhero-icon svg { width: 36px; height: 36px; }
.dhero-text { flex: 1; min-width: 280px; }
.dhero-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin-bottom: 8px;
}
.dhero h1 {
  margin: 0 0 12px;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
}
.dhero .dhero-sub {
  margin: 0;
  font-size: 17px;
  color: rgba(255,255,255,.78);
  max-width: 720px;
}

/* overview */
.dsection {
  padding: 70px 0;
}
.dsection-alt { background: var(--c-bg-alt); }

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}
.overview-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-orange-dark);
  margin: 0 0 12px;
}
.overview-title {
  margin: 0 0 4px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.6px;
  line-height: 1.2;
}
.overview-body p {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--c-text);
  line-height: 1.75;
}
.overview-body p:last-child { margin-bottom: 0; }

/* feature grid */
.feat-title {
  text-align: center;
  margin: 0 0 12px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.6px;
}
.feat-sub {
  text-align: center;
  margin: 0 auto 48px;
  max-width: 680px;
  font-size: 16px;
  color: var(--c-text-mute);
}
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feat-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.feat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16,24,40,.08);
  border-color: #D1D5DB;
}
.feat-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-orange-dark);
  margin-bottom: 10px;
}
.feat-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(20,110,180,.10), rgba(20,110,180,.04));
  color: var(--c-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.feat-icon svg { width: 18px; height: 18px; }
.feat-num {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-orange-dark);
  margin-bottom: 10px;
  background: none;
  width: auto;
  height: auto;
  text-align: left;
  line-height: 1;
}
.feat-card h4 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.3px;
  color: var(--c-navy);
}
.feat-card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--c-text-mute);
  line-height: 1.7;
}

/* use cases */
.uc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.uc-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  transition: border-color .2s, box-shadow .2s;
}
.uc-card:hover {
  border-color: #D1D5DB;
  box-shadow: 0 6px 20px rgba(16,24,40,.06);
}
.uc-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-orange-dark);
  margin-bottom: 10px;
}
.uc-card h4 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.3px;
  color: var(--c-navy);
}
.uc-card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--c-text-mute);
  line-height: 1.75;
}

/* related modules */
.rel-title {
  text-align: center;
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.5px;
}
.rel-sub {
  text-align: center;
  margin: 0 auto 32px;
  font-size: 15px;
  color: var(--c-text-mute);
}
.rel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.rel-card {
  display: block;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px 18px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.rel-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--c-orange);
}
.rel-card strong {
  display: block;
  font-size: 15px;
  color: var(--c-navy);
  margin-bottom: 4px;
}
.rel-card span {
  font-size: 12.5px;
  color: var(--c-text-mute);
}

/* link styling for in-card module names */
.cat-list a {
  color: inherit;
  display: block;
  border-radius: 4px;
  padding: 6px 6px;
  margin: 0 -6px;
  transition: background .12s, color .12s;
}
.cat-list a:hover {
  background: rgba(20,110,180,.06);
}
.cat-list a:hover b { color: var(--c-orange-dark); }

/* differentiator band — calm enterprise navy */
.dband {
  padding: 76px 0;
  background: linear-gradient(135deg, #1B2330 0%, #232F3E 100%);
  color: #fff;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.dband-head {
  max-width: 780px;
  margin-bottom: 36px;
}
.dband-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin: 0 0 12px;
}
.dband h2 {
  margin: 0 0 14px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.5px;
  line-height: 1.25;
  color: #fff;
}
.dband-en {
  display: inline-block;
  margin-left: 10px;
  font-size: 18px;
  font-weight: 500;
  color: rgba(255,255,255,.45);
  letter-spacing: 0;
}
.dband-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255,255,255,.72);
}

/* horizontal flow */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin: 8px 0 36px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255,255,255,.02);
}
.flow-step {
  padding: 22px 22px;
  border-right: 1px solid rgba(255,255,255,.06);
}
.flow-step:last-child { border-right: 0; }
.flow-step::before {
  content: attr(data-step);
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .14em;
  color: rgba(255,255,255,.45);
  margin-bottom: 10px;
}
.flow-step h5 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.2px;
  color: #fff;
}
.flow-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255,255,255,.6);
}

/* pillars */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.pillar-grid.is-4 { grid-template-columns: repeat(4, 1fr); }

/* light variant — for adjacent differentiator sections */
.dband.dband-light {
  background: var(--c-bg-alt);
  color: var(--c-text);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.dband.dband-light .dband-eyebrow { color: var(--c-orange-dark); }
.dband.dband-light h2 { color: var(--c-navy); }
.dband.dband-light .dband-en { color: var(--c-text-mute); }
.dband.dband-light .dband-sub { color: var(--c-text-mute); }
.dband.dband-light .pillar {
  background: #fff;
  border: 1px solid var(--c-line);
}
.dband.dband-light .pillar h5 { color: var(--c-navy); }
.dband.dband-light .pillar p { color: var(--c-text-mute); }
.dband.dband-light .flow {
  background: #fff;
  border-color: var(--c-line);
}
.dband.dband-light .flow-step { border-right-color: var(--c-line); }
.dband.dband-light .flow-step::before { color: var(--c-text-mute); }
.dband.dband-light .flow-step h5 { color: var(--c-navy); }
.dband.dband-light .flow-step p { color: var(--c-text-mute); }
.pillar {
  padding: 22px 24px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
}
.pillar h5 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.2px;
}
.pillar p {
  margin: 0;
  font-size: 13.5px;
  color: rgba(255,255,255,.68);
  line-height: 1.75;
}

/* responsive */
@media (max-width: 960px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .rel-grid { grid-template-columns: repeat(2, 1fr); }
  .overview-grid { grid-template-columns: 1fr; gap: 24px; }
  .dhero h1 { font-size: 32px; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step { border-right: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); }
  .flow-step:nth-child(2n) { border-right: 0; }
  .pillar-grid, .pillar-grid.is-4 { grid-template-columns: 1fr; }
  .dband h2 { font-size: 26px; }
  .dband { padding: 60px 0; }
}

@media (max-width: 720px) {
  .feat-grid, .uc-grid, .rel-grid { grid-template-columns: 1fr; }
  .dhero { padding: 44px 0; }
  .dhero h1 { font-size: 26px; }
  .dhero-icon { width: 60px; height: 60px; }
  .dsection { padding: 50px 0; }
  .feat-title, .overview-title { font-size: 24px; }
}