/* ============================================================
   EBS — css/expertise.css
   Styles spécifiques à la page Expertise
   ============================================================ */

/* ── HERO ─────────────────────────────────────────────────── */
#exp-hero {
  padding-top: calc(58px + 64px);
  padding-bottom: 64px;
  background: transparent;
  position: relative;
}

.exp-hero-inner {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 60px;
  align-items: start;
}

.exp-hero-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  color: var(--c-dark);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
}

.exp-hero-sub {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.75;
  max-width: 520px;
}

/* Index panel */
.exp-hero-index {
  background: var(--c-white);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  position: sticky;
  top: 78px;
}

.exp-hero-index-label {
  font-size: 9px;
  color: var(--c-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: var(--border);
}

.exp-index-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: var(--border);
  text-decoration: none;
  color: var(--c-muted);
  font-size: 12px;
  transition: color 0.2s;
}

.exp-index-item:last-child { border-bottom: none; }
.exp-index-item:hover { color: var(--c-prim); }

.exp-index-num {
  font-family: var(--f-mono);
  font-size: 9px;
  color: var(--c-accent);
  letter-spacing: 0.08em;
  min-width: 20px;
}

/* ── SECTIONS ─────────────────────────────────────────────── */
.exp-section {
  padding: 64px 0;
  border-top: var(--border);
}

.exp-section-alt {
  background: var(--c-white);
}

.exp-block-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 40px;
}

.exp-block-num {
  font-size: 11px;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  padding-top: 6px;
  flex-shrink: 0;
  min-width: 28px;
}

.exp-block-header h2 {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  color: var(--c-dark);
  margin-top: 8px;
}

.exp-block-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 52px;
  align-items: start;
}

.exp-block-body-rev {
  grid-template-columns: 340px 1fr;
}

.exp-block-text > p {
  font-size: 13.5px;
  color: var(--c-muted);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* ── SUB-LIST ─────────────────────────────────────────────── */
.exp-sub-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.exp-sub-item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: var(--border);
}

.exp-sub-item:last-child { border-bottom: none; }

.exp-sub-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

.exp-sub-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-dark);
  margin-bottom: 4px;
}

.exp-sub-body {
  font-size: 12px;
  color: var(--c-muted);
  line-height: 1.7;
}

/* ── DIAGRAMS ─────────────────────────────────────────────── */
.exp-diagram-col {
  position: sticky;
  top: 78px;
}

.exp-diagram {
  background: var(--c-bg);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 24px;
}

.exp-diagram-label {
  font-size: 9px;
  color: var(--c-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: var(--border);
}

/* Flow diagram — Bâtiment */
.exp-flow { display: flex; flex-direction: column; gap: 0; }

.exp-flow-step {
  padding: 12px 14px;
  border-left: 3px solid var(--c-accent);
  background: var(--c-white);
  border-radius: 0 var(--r) var(--r) 0;
  margin-bottom: 2px;
}

.exp-flow-arrow {
  font-size: 11px;
  color: var(--c-accent);
  text-align: center;
  padding: 2px 0;
}

.exp-flow-phase {
  font-size: 8px;
  color: var(--c-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.exp-flow-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--c-dark);
  margin-bottom: 6px;
}

.exp-flow-tags { display: flex; flex-wrap: wrap; gap: 4px; }

.exp-tag {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  background: var(--c-surf);
  color: var(--c-label);
  border: 0.5px solid var(--c-accent);
  border-radius: 2px;
}

/* AMO diagram */
.exp-amo-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

.exp-amo-center {
  display: flex;
  justify-content: center;
}

.exp-amo-badge {
  background: var(--c-dark);
  color: var(--c-white);
  font-size: 11px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: var(--r);
  text-align: center;
  letter-spacing: 0.02em;
}

.exp-amo-ebs {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.exp-amo-ebs-badge {
  background: var(--c-prim);
  color: var(--c-white);
  font-size: 11px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--r);
  text-align: center;
}

.exp-amo-ebs-badge span {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  opacity: 0.8;
  display: block;
}

.exp-amo-line {
  width: 1px;
  height: 10px;
  background: var(--c-accent);
}

.exp-amo-actors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  width: 100%;
}

.exp-amo-actor {
  background: var(--c-white);
  border: var(--border);
  border-radius: var(--r);
  font-size: 11px;
  color: var(--c-muted);
  text-align: center;
  padding: 7px 10px;
}

.exp-amo-legend {
  font-size: 9px;
  color: var(--c-label);
  letter-spacing: 0.06em;
  text-align: center;
  margin-top: 6px;
  line-height: 1.5;
}

/* Matrix — Électricité */
.exp-matrix {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

.exp-matrix-row {
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  border-bottom: var(--border);
}

.exp-matrix-row:last-child { border-bottom: none; }

.exp-matrix-cell {
  padding: 9px 12px;
  border-right: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.exp-matrix-cell:last-child { border-right: none; }

.exp-matrix-header { background: var(--c-surf); }

.exp-matrix-th {
  font-size: 9px;
  color: var(--c-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  justify-content: center;
}

.exp-matrix-label {
  font-size: 9px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  justify-content: flex-start;
  background: var(--c-bg);
}

.exp-matrix-dot { justify-content: center; background: var(--c-white); }

.exp-dot-full {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-prim);
}

.exp-dot-half {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 1px solid var(--c-mid);
}

/* Norms badges */
.exp-norm-list { display: flex; flex-wrap: wrap; gap: 5px; }

.exp-norm-badge {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  background: var(--c-white);
  color: var(--c-bronze);
  border: 0.5px solid var(--c-bronze);
  border-radius: 2px;
}

/* Architecture diagram — Infrastructures critiques */
.exp-arch { display: flex; flex-direction: column; gap: 8px; }

.exp-arch-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.exp-arch-node {
  background: var(--c-white);
  border: var(--border);
  border-radius: var(--r);
  padding: 10px 6px;
  text-align: center;
}

.exp-arch-source { border-top: 2px solid var(--c-prim); }
.exp-arch-load   { border-bottom: 2px solid var(--c-accent); }

.exp-arch-icon { font-size: 16px; line-height: 1; margin-bottom: 4px; }

.exp-arch-name {
  font-size: 8px;
  color: var(--c-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.exp-arch-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.exp-arch-line {
  width: 1px;
  height: 8px;
  background: var(--c-accent);
}

.exp-arch-bus {
  font-size: 8px;
  color: var(--c-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--c-surf);
  border: var(--border);
  border-radius: 2px;
  padding: 3px 10px;
}

.exp-arch-uptime {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--c-dark);
  border-radius: var(--r);
}

.exp-arch-uptime .mono {
  font-size: 9px;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.exp-arch-uptime-val {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-white);
  letter-spacing: 0.04em;
}

/* OSTRAL levels */
.exp-ostral-levels { display: flex; flex-direction: column; gap: 14px; }

.exp-ostral-level {}

.exp-ostral-pct {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.exp-ostral-bar {
  height: 4px;
  background: var(--c-border);
  border-radius: 2px;
  margin-bottom: 6px;
  overflow: hidden;
}

.exp-ostral-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s ease;
}

.exp-ostral-desc {
  font-size: 11px;
  color: var(--c-muted);
  line-height: 1.5;
}

.exp-ostral-ref {
  font-size: 8px;
  color: var(--c-label);
  letter-spacing: 0.06em;
  margin-top: 16px;
  padding-top: 12px;
  border-top: var(--border);
}

/* Cyber diagram */
.exp-cyber-diagram {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0 20px;
}

.exp-cyber-ring {
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: absolute;
}

.exp-cyber-ring span {
  font-family: var(--f-mono);
  font-size: 8px;
  color: var(--c-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
}

.exp-cyber-ring-outer {
  width: 220px;
  height: 220px;
  background: var(--c-surf);
  border: var(--border);
  justify-content: flex-end;
  padding-bottom: 10px;
  align-items: flex-end;
}

.exp-cyber-ring-outer span {
  margin-right: 10px;
  margin-bottom: 6px;
}

.exp-cyber-ring-mid {
  width: 150px;
  height: 150px;
  background: var(--c-accent);
  border: 0.5px solid var(--c-mid);
  padding-bottom: 8px;
  align-items: flex-end;
}

.exp-cyber-ring-inner {
  width: 82px;
  height: 82px;
  background: var(--c-prim);
  border: none;
}

.exp-cyber-ring-inner span { color: var(--c-white); }

/* Spacer for cyber diagram height */
.exp-cyber-diagram::after {
  content: '';
  display: block;
  padding-top: 220px;
}

.exp-cyber-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: var(--border);
}

.exp-cyber-leg-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.exp-cyber-leg-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.exp-cyber-leg-item .mono {
  font-size: 9px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .exp-hero-inner { grid-template-columns: 1fr; }
  .exp-hero-index { position: static; display: none; }
  .exp-block-body,
  .exp-block-body-rev { grid-template-columns: 1fr; }
  .exp-diagram-col { position: static; }
}

@media (max-width: 640px) {
  .exp-arch-row { grid-template-columns: repeat(3, 1fr); }
  .exp-amo-actors { grid-template-columns: 1fr 1fr; }
}