/* ============================================================
   MARIA SILVA — CASE STUDY PAGES
   Shared stylesheet for all case-study pages
   Maintains the same visual identity as the main site
   ============================================================ */

/* ---------- Case study hero ---------- */
.case-hero {
  padding: 160px 0 60px;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(138, 109, 59, 0.05), transparent),
    var(--color-bg);
}

.case-hero-inner {
  max-width: 760px;
}

.case-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-soft);
  margin-bottom: var(--space-md);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.case-back-link:hover {
  color: var(--color-accent);
  gap: 0.75rem;
}

.case-back-link svg {
  width: 16px;
  height: 16px;
}

.case-category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.case-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
}

.case-type {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent-dark);
  background: rgba(138, 109, 59, 0.08);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  margin-bottom: var(--space-md);
}

.case-overview {
  font-size: 1.1rem;
  color: var(--color-text-soft);
  max-width: 640px;
}

/* ---------- Case study body ---------- */
.case-body {
  background: var(--color-bg);
  padding: var(--space-lg) 0 var(--space-xl);
}

.case-body-inner {
  max-width: 760px;
}

.case-section {
  margin-bottom: var(--space-xl);
}

.case-section:last-child {
  margin-bottom: 0;
}

.case-section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.case-section-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.case-section p {
  color: var(--color-text-soft);
  margin-bottom: var(--space-sm);
}

.case-section p:last-child {
  margin-bottom: 0;
}

.case-section strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Lists ---------- */
.case-list {
  margin: var(--space-sm) 0;
}

.case-list li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.5rem;
  color: var(--color-text-soft);
}

.case-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.5;
}

.case-list li strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Callout boxes ---------- */
.case-callout {
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-md) 0;
  border: 1px solid var(--color-border);
}

.case-callout:last-child {
  margin-bottom: 0;
}

.case-callout-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.case-callout p {
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.case-callout p:last-child {
  margin-bottom: 0;
}

.case-callout ul {
  margin-top: var(--space-sm);
}

.case-callout ul li {
  padding: 0.25rem 0 0.25rem 1.25rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

.case-callout ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

/* Decision callout */
.case-callout-decision {
  background: rgba(138, 109, 59, 0.06);
  border-color: rgba(138, 109, 59, 0.25);
}

.case-callout-decision .case-callout-label {
  color: var(--color-accent-dark);
}

/* Finding callout */
.case-callout-finding {
  background: var(--color-bg-alt);
  border-color: var(--color-border-strong);
}

.case-callout-finding .case-callout-label {
  color: var(--color-text);
}

/* Risk / warning callout */
.case-callout-risk {
  background: rgba(138, 109, 59, 0.04);
  border-color: var(--color-border-strong);
}

.case-callout-risk .case-callout-label {
  color: var(--color-accent-dark);
}

/* Verification needed callout */
.case-callout-verify {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

.case-callout-verify .case-callout-label {
  color: var(--color-text-soft);
}

/* Final result callout */
.case-callout-result {
  background: var(--color-text);
  border-color: var(--color-text);
}

.case-callout-result .case-callout-label {
  color: var(--color-accent);
}

.case-callout-result p,
.case-callout-result li {
  color: rgba(250, 249, 247, 0.85);
}

.case-callout-result strong {
  color: var(--color-bg);
}

/* ---------- Score table ---------- */
.case-table-wrap {
  overflow-x: auto;
  margin: var(--space-md) 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.case-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  min-width: 480px;
}

.case-table th,
.case-table td {
  padding: 0.9rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.case-table th {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
}

.case-table td {
  color: var(--color-text-soft);
}

.case-table tr:last-child td {
  border-bottom: none;
}

.case-table .table-total td {
  font-weight: 600;
  color: var(--color-text);
  background: rgba(138, 109, 59, 0.04);
}

.case-table .table-winner td {
  color: var(--color-accent-dark);
  font-weight: 600;
}

/* ---------- Quote / prompt block ---------- */
.case-quote {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--color-text-soft);
}

.case-quote p {
  margin-bottom: 0;
}

/* ---------- Response comparison ---------- */
.response-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-sm) 0;
}

.response-block-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.response-block p {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.response-block p:last-child {
  margin-bottom: 0;
}

.response-block ul {
  margin-top: var(--space-sm);
}

.response-block ul li {
  padding: 0.25rem 0 0.25rem 1.25rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

.response-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.5;
}

/* ---------- Original vs optimized ---------- */
.listing-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-sm) 0;
}

.listing-block-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.listing-block h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.listing-block p {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  margin-bottom: var(--space-sm);
}

.listing-block p:last-child {
  margin-bottom: 0;
}

.listing-block ul {
  margin: var(--space-sm) 0;
}

.listing-block ul li {
  padding: 0.25rem 0 0.25rem 1.25rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

.listing-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.5;
}

.listing-block-original {
  border-left: 3px solid var(--color-border-strong);
}

.listing-block-optimized {
  border-left: 3px solid var(--color-accent);
}

/* ---------- Email / message block ---------- */
.message-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-md) 0;
}

.message-block-subject {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.message-block p {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  margin-bottom: var(--space-sm);
}

.message-block p:last-child {
  margin-bottom: 0;
}

.message-signoff {
  margin-top: var(--space-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* ---------- Skills demonstrated ---------- */
.case-skills {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.case-skills-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.case-skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-skills-list li {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-soft);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.4rem 1rem;
}

/* ---------- Case study navigation ---------- */
.case-nav {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
}

.case-nav-link {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  max-width: 45%;
}

.case-nav-link:hover {
  color: var(--color-accent);
}

.case-nav-link-next {
  text-align: right;
  align-items: flex-end;
}

.case-nav-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-nav-title {
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.case-nav-link:hover .case-nav-title {
  color: var(--color-accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 700px) {
  .case-hero {
    padding: 120px 0 40px;
  }

  .case-body {
    padding: var(--space-lg) 0;
  }

  .case-section {
    margin-bottom: var(--space-lg);
  }

  .case-nav {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .case-nav-link,
  .case-nav-link-next {
    max-width: 100%;
    text-align: left;
    align-items: flex-start;
  }
}