/* ===== MAENEX · notes.css ===== */

.note-page {
  max-width: 920px;
  margin: 0 auto;
  padding: 100px 24px 60px;
}

.back-link {
  display: inline-block;
  color: var(--blue);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.back-link:hover { color: var(--blue2); }

.note-meta { margin-bottom: 12px; }

.note-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #c084fc;
  border-bottom: 2px solid #c084fc;
  padding-bottom: 4px;
}

.note-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.note-subtitle {
  font-size: 1.05rem;
  color: var(--text2);
  margin-bottom: 24px;
}

.note-intro {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.8;
  max-width: 700px;
  margin-bottom: 24px;
}

.note-intro strong { color: var(--blue2); }

/* CALLOUT */
.callout {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 36px;
}

.callout-icon { font-size: 1.4rem; flex-shrink: 0; }

.callout p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
}

.callout-summary {
  margin-top: 36px;
  border-color: rgba(192,132,252,0.25);
  background: linear-gradient(135deg, rgba(58,142,246,0.06), rgba(192,132,252,0.06));
}

.text-confidentiality { color: #c084fc; font-weight: 600; }
.text-integrity { color: var(--blue2); font-weight: 600; }
.text-availability { color: #d8b4fe; font-weight: 600; }

/* TRIAD DIAGRAM */
.triad-diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.triad-pillar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 16px;
  border-radius: 12px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.triad-pillar .pillar-icon { font-size: 1.8rem; }

.triad-pillar.confidentiality {
  background: linear-gradient(135deg, rgba(192,132,252,0.12), rgba(58,142,246,0.06));
  border: 1px solid rgba(192,132,252,0.3);
  color: #d8b4fe;
}

.triad-pillar.integrity {
  background: linear-gradient(135deg, rgba(58,142,246,0.14), rgba(58,142,246,0.04));
  border: 1px solid rgba(58,142,246,0.3);
  color: var(--blue2);
}

.triad-pillar.availability {
  background: linear-gradient(135deg, rgba(192,132,252,0.1), rgba(91,164,248,0.08));
  border: 1px solid rgba(192,132,252,0.25);
  color: #e9d5ff;
}

/* THREE CARDS */
.triad-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 12px;
}

.triad-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}

.triad-card-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
  border: 1px solid var(--border2);
}

.card-confidentiality .triad-card-icon { background: rgba(192,132,252,0.1); border-color: rgba(192,132,252,0.3); }
.card-integrity .triad-card-icon { background: rgba(58,142,246,0.1); border-color: rgba(58,142,246,0.3); }
.card-availability .triad-card-icon { background: rgba(192,132,252,0.08); border-color: rgba(192,132,252,0.25); }

.triad-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card-confidentiality h3 { color: #d8b4fe; }
.card-integrity h3 { color: var(--blue2); }
.card-availability h3 { color: #e9d5ff; }

.triad-card p {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.6;
  margin-bottom: 16px;
}

.kp-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
}

.key-points ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.key-points li {
  font-size: 0.83rem;
  color: var(--text);
  padding-left: 16px;
  position: relative;
}

.key-points li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--blue);
}

.card-confidentiality .key-points li::before { color: #c084fc; }
.card-availability .key-points li::before { color: #c084fc; }

/* NOTE NAV */
.note-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.note-nav-next {
  font-size: 0.85rem;
  color: var(--text3);
}

/* RESPONSIVE */
@media (max-width: 800px) {
  .triad-diagram { grid-template-columns: 1fr; }
  .triad-cards { grid-template-columns: 1fr; }
}

/* SECTION HEADING */
.section-h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 40px 0 20px;
}

.key-points-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 36px;
}

.key-points-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.key-points-block li {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.6;
  padding-left: 18px;
  position: relative;
}

.key-points-block li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--blue);
}

.key-points-block li strong {
  color: var(--blue2);
}

/* DIGITAL SIGNATURE DIAGRAM */
.sig-diagram {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.sig-stage {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sig-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.sig-icon { font-size: 1.6rem; }

.sig-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.sig-sub {
  font-size: 0.75rem;
  color: var(--text2);
}

.sig-arrow {
  font-size: 1.4rem;
  color: var(--text3);
  flex-shrink: 0;
}

.sig-key {
  border-color: rgba(192,132,252,0.3);
  background: linear-gradient(135deg, rgba(192,132,252,0.08), rgba(58,142,246,0.04));
}

.sig-key .sig-label { color: #d8b4fe; }

.sig-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.sig-arrow-down {
  font-size: 1.4rem;
  color: var(--text3);
}

.sig-final {
  max-width: 320px;
  border-color: var(--border2);
  background: linear-gradient(135deg, rgba(58,142,246,0.1), rgba(91,164,248,0.04));
}

.sig-final .sig-label { color: var(--blue2); }

.sig-verify {
  align-items: stretch;
}

.sig-outcome {
  border-color: rgba(34,197,94,0.3);
  background: linear-gradient(135deg, rgba(34,197,94,0.08), transparent);
}

.sig-outcome .sig-label { color: #4ade80; }

/* TWO COLUMN VARIANT FOR TRIAD CARDS */
.triad-cards.two-col {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 800px) {
  .sig-stage { flex-direction: column; }
  .sig-arrow { transform: rotate(90deg); }
  .triad-cards.two-col { grid-template-columns: 1fr; }
}