/* ── Brief layout ── */

.brief-wrap {
  display: grid;
  grid-template-columns: 220px 1fr;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem;
  gap: 4rem;
  align-items: start;
}

/* ── Sidebar TOC ── */
.brief-toc {
  position: sticky;
  top: 80px;
}
.toc-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}
.brief-toc ol {
  list-style: none;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.brief-toc ol li { counter-increment: toc; }
.brief-toc ol li a {
  display: block;
  padding: 0.35rem 0.6rem 0.35rem 0;
  font-size: 0.82rem;
  color: var(--text-light);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: all 0.15s;
  line-height: 1.4;
}
.brief-toc ol li a::before {
  content: counter(toc) ". ";
  color: var(--green-light);
  font-size: 0.7rem;
}
.brief-toc ol li a:hover {
  color: var(--green-deep);
  border-left-color: var(--green-light);
}

/* ── Main body ── */
.brief-body {
  min-width: 0;
}

/* ── Header ── */
.brief-header {
  border-bottom: 2px solid var(--green-pale);
  padding-bottom: 2.5rem;
  margin-bottom: 3rem;
}
.brief-type {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--green-mid);
  margin-bottom: 0.75rem;
}
.brief-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--green-deep);
  margin-bottom: 0.5rem;
}
.brief-subtitle {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 0.25rem;
}
.brief-tagline {
  font-size: 1rem;
  color: var(--green-mid);
  font-style: italic;
  font-family: var(--font-head);
  margin-bottom: 0.75rem;
}
.brief-date {
  font-size: 0.8rem;
  color: var(--text-light);
  margin: 0;
}

/* ── Sections ── */
.brief-section {
  margin-bottom: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid #e8f0ea;
}
.brief-section:last-of-type { border-bottom: none; }

.brief-executive-summary {
  background: var(--green-pale);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  border: none;
}
.brief-executive-summary h2 {
  color: var(--green-deep);
  margin-bottom: 1rem;
}
.brief-executive-summary p {
  color: var(--text);
  font-size: 0.975rem;
  line-height: 1.8;
}

.brief-section h2 {
  font-size: 1.5rem;
  color: var(--green-deep);
  margin-bottom: 1.25rem;
  padding-top: 0.25rem;
}
.brief-section h3 {
  font-size: 1.05rem;
  color: var(--green-mid);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}
.brief-section p {
  font-size: 0.97rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.brief-section p strong { color: var(--green-deep); }

/* ── Highlighted section (mesh) ── */
.brief-section-highlight {
  background: #f0f8f2;
  border-radius: var(--radius);
  padding: 2.5rem;
  border: 1px solid #c8e6d0;
  border-bottom: 1px solid #c8e6d0 !important;
  margin-left: -2.5rem;
  margin-right: -2.5rem;
}
.brief-section-highlight h2::before {
  content: "★ ";
  color: var(--green-light);
  font-size: 1rem;
}

/* ── Lists ── */
.brief-list {
  margin: 0 0 1rem 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.brief-list li {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.65;
}
.brief-list li strong { color: var(--green-deep); }
.brief-list li em { color: var(--text-light); }

/* ── Compare ── */
.brief-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.75rem 0;
}
.brief-compare-col {
  border-radius: var(--radius);
  padding: 1.5rem;
}
.brief-col-bad {
  background: #fff0ed;
  border: 1px solid #fcd5cc;
}
.brief-col-good {
  background: #edf7f1;
  border: 1px solid #b7e4c7;
}
.brief-compare-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  font-family: var(--font-body);
}
.brief-col-bad h4 { color: #c0392b; }
.brief-col-good h4 { color: var(--green-deep); }
.brief-compare-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.brief-compare-col ul li {
  font-size: 0.875rem;
  color: var(--text);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.5;
}
.brief-col-bad ul li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--red-soft);
  font-weight: 700;
  font-size: 0.8rem;
}
.brief-col-good ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green-mid);
  font-weight: 700;
  font-size: 0.8rem;
}

/* ── Phases ── */
.brief-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.brief-phase {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid #d8e8dc;
}
.brief-phase-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.brief-phase-num {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green-mid);
}
.brief-phase-time {
  font-size: 0.7rem;
  color: var(--text-light);
  background: var(--green-pale);
  padding: 0.2rem 0.5rem;
  border-radius: 100px;
}
.brief-phase h4 {
  color: var(--green-deep);
  margin-bottom: 0.75rem;
  font-size: 1rem;
}
.brief-phase ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.brief-phase ul li {
  font-size: 0.82rem;
  color: var(--text-light);
  padding-left: 0.85rem;
  position: relative;
  line-height: 1.45;
}
.brief-phase ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green-light);
  font-size: 0.75rem;
}
.brief-phase ul li em { color: var(--green-mid); }

/* ── Pull quote ── */
.brief-quote {
  border-left: 4px solid var(--green-light);
  padding: 1.25rem 1.75rem;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--text-light);
  font-style: italic;
  margin: 2rem 0 0;
  line-height: 1.7;
}

/* ── Footer ── */
.brief-footer {
  padding-top: 2rem;
  border-top: 2px solid var(--green-pale);
  margin-top: 1rem;
}
.brief-footer p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}
.brief-footer a {
  color: var(--green-mid);
  text-decoration: none;
}
.brief-footer a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 860px) {
  .brief-wrap {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 2rem 1.5rem;
  }
  .brief-toc { display: none; }
  .brief-compare { grid-template-columns: 1fr; }
  .brief-phases { grid-template-columns: 1fr; }
  .brief-section-highlight {
    margin-left: 0;
    margin-right: 0;
    padding: 1.5rem;
  }
}