/* ============================================================
   ALTASEO — Silo Pages Stylesheet
   ============================================================ */

/* ── PILLAR HERO ── */
.pillar-hero {
  padding: 160px var(--pad) 90px;
  background: linear-gradient(160deg, var(--navy) 0%, var(--dark) 100%);
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.pillar-hero::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,194,255,.08) 0%, transparent 70%);
  pointer-events: none;
}
.pillar-hero-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 380px; gap: 80px; align-items: center;
  position: relative;
}
.pillar-breadcrumb {
  font-size: 12px; color: var(--muted); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.pillar-breadcrumb a { color: var(--cyan); }
.pillar-breadcrumb span { color: var(--muted); }
.pillar-hero h1 {
  font-size: clamp(36px,4.5vw,62px); font-weight: 900;
  line-height: 1.06; letter-spacing: -2px; margin-bottom: 20px;
}
.pillar-hero h1 em { font-style: normal; color: var(--cyan); }
.pillar-hero-desc {
  font-size: 17px; color: var(--muted); line-height: 1.8;
  max-width: 540px; margin-bottom: 36px;
}
.pillar-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* hero right — stats box */
.pillar-stats-box {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px; padding: 32px;
}
.pillar-stats-box .stat-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--border);
}
.pillar-stats-box .stat-row:last-child { border-bottom: none; padding-bottom: 0; }
.pillar-stats-box .stat-row:first-child { padding-top: 0; }
.stat-row-label { font-size: 13px; color: var(--muted); }
.stat-row-value { font-size: 16px; font-weight: 800; color: var(--cyan); }

/* ── INTRO ── */
.pillar-intro {
  background: var(--dark);
  border-bottom: 1px solid var(--border);
}
.pillar-intro-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 80px var(--pad);
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
}
.pillar-intro-text h2 {
  font-size: clamp(24px,2.5vw,34px); font-weight: 900;
  letter-spacing: -1px; margin-bottom: 20px;
}
.pillar-intro-text p {
  color: var(--muted); font-size: 15px; line-height: 1.85;
  margin-bottom: 16px;
}
.pillar-intro-text p strong { color: var(--white); }
.pillar-checklist { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.pillar-checklist li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 14px; color: var(--muted); line-height: 1.6;
}
.pillar-checklist li::before {
  content: '✓'; color: var(--green); font-weight: 800;
  font-size: 13px; flex-shrink: 0; margin-top: 1px;
}

/* ── CLUSTER LINKS ── */
.cluster-section { background: var(--navy2); border-top: 1px solid var(--border); }
.cluster-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 48px;
}
.cluster-card {
  background: var(--dark); border: 1px solid var(--border);
  border-radius: 8px; padding: 28px 24px;
  transition: border-color .2s, transform .2s;
  display: flex; flex-direction: column;
}
.cluster-card:hover { border-color: rgba(0,194,255,.3); transform: translateY(-3px); }
.cluster-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.cluster-card p { font-size: 13px; color: var(--muted); line-height: 1.65; flex: 1; margin-bottom: 20px; }
.cluster-card-link { font-size: 12px; color: var(--cyan); font-weight: 700; letter-spacing: .3px; }

/* ── PROCESS STEPS ── */
.pillar-process { background: var(--dark); border-top: 1px solid var(--border); }
.process-steps { display: flex; flex-direction: column; gap: 0; margin-top: 48px; }
.process-step {
  display: grid; grid-template-columns: 60px 1fr; gap: 28px;
  padding: 36px 0; border-bottom: 1px solid var(--border); align-items: start;
}
.process-step:last-child { border-bottom: none; }
.process-step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(0,194,255,.1); border: 1px solid rgba(0,194,255,.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 900; color: var(--cyan); flex-shrink: 0;
}
.process-step-body h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.process-step-body p { color: var(--muted); font-size: 14px; line-height: 1.75; }

/* ── FAQ (silo) ── */
.silo-faq { background: var(--navy2); border-top: 1px solid var(--border); }

/* ── INTERNAL LINKS ── */
.silo-related { background: var(--dark); border-top: 1px solid var(--border); }
.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 40px; }
.related-card {
  border: 1px solid var(--border); border-radius: 8px; padding: 22px;
  transition: border-color .2s;
}
.related-card:hover { border-color: rgba(255,255,255,.2); }
.related-label { font-size: 10px; font-weight: 700; letter-spacing: 2px; color: var(--muted); text-transform: uppercase; margin-bottom: 8px; }
.related-card h4 { font-size: 14px; font-weight: 700; color: var(--white); }

/* ── CLUSTER PAGE ── */
.cluster-hero {
  padding: 140px var(--pad) 70px;
  background: linear-gradient(160deg, var(--navy) 0%, var(--dark) 100%);
  border-bottom: 1px solid var(--border);
}
.cluster-body {
  max-width: 860px; margin: 0 auto; padding: 80px var(--pad);
}
.cluster-body h2 { font-size: clamp(22px,2.5vw,32px); font-weight: 900; letter-spacing: -1px; margin: 48px 0 16px; }
.cluster-body h3 { font-size: 20px; font-weight: 800; margin: 32px 0 12px; }
.cluster-body p { color: var(--muted); font-size: 16px; line-height: 1.85; margin-bottom: 18px; }
.cluster-body p strong { color: var(--white); }
.cluster-body ul { list-style: none; margin-bottom: 20px; display: flex; flex-direction: column; gap: 10px; }
.cluster-body ul li { display: flex; gap: 10px; color: var(--muted); font-size: 15px; line-height: 1.6; }
.cluster-body ul li::before { content: '▸'; color: var(--cyan); flex-shrink: 0; }
.cluster-body a { color: var(--cyan); border-bottom: 1px solid rgba(0,194,255,.3); }
.cluster-body a:hover { border-color: var(--cyan); }

/* back to pillar */
.back-to-pillar {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted); margin-bottom: 32px;
  transition: color .2s;
}
.back-to-pillar:hover { color: var(--cyan); }

/* ── SILO UPWARD LINK ── */
.silo-uplink {
  margin-top: 48px;
  padding: 24px 28px;
  background: rgba(0,194,255,.06);
  border-left: 3px solid var(--cyan);
  border-radius: 0 8px 8px 0;
}
.silo-uplink p {
  color: var(--muted) !important;
  font-size: 15px !important;
  line-height: 1.7 !important;
  margin: 0 !important;
}
.silo-uplink a { color: var(--cyan) !important; border-bottom: 1px solid rgba(0,194,255,.3) !important; }
.silo-uplink a:hover { border-color: var(--cyan) !important; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .pillar-hero-inner { grid-template-columns: 1fr; }
  .pillar-stats-box { display: none; }
  .pillar-intro-inner { grid-template-columns: 1fr; }
  .cluster-grid { grid-template-columns: repeat(2,1fr); }
  .related-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .cluster-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 1fr; }
  .process-step-num { display: none; }
}