/* XTRATEAM — Case studies (Fase 2B) */
:root {
  --cs-bg: #0b0a2b;
  --cs-surface: rgba(255, 255, 255, 0.035);
  --cs-text: #f1f5f9;
  --cs-muted: #94a3b8;
  --cs-accent: #f86800;
  --cs-accent-2: #ffd600;
  --cs-border: rgba(255, 255, 255, 0.1);
  --cs-radius: 16px;
  --cs-container: 1080px;
  --cs-display: "Poppins", system-ui, sans-serif;
  --cs-font: "Nunito", system-ui, sans-serif;
}

body.case-page {
  margin: 0;
  background: var(--cs-bg);
  color: var(--cs-text);
  font-family: var(--cs-font);
}

.cs-container {
  width: min(100% - 2.5rem, var(--cs-container));
  margin-inline: auto;
}

.cs-section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.cs-eyebrow {
  margin: 0 0 0.85rem;
  font-family: var(--cs-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cs-accent-2);
}

.cs-h1 {
  margin: 0 0 1rem;
  font-family: var(--cs-display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.cs-h2 {
  margin: 0 0 1rem;
  font-family: var(--cs-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cs-lead {
  margin: 0;
  color: var(--cs-muted);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 42rem;
}

.cs-prose {
  color: var(--cs-muted);
  line-height: 1.7;
  max-width: 42rem;
}

.cs-prose p { margin: 0 0 1rem; }
.cs-prose p:last-child { margin-bottom: 0; }

.cs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  font-family: var(--cs-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.cs-btn:focus-visible {
  outline: 2px solid var(--cs-accent-2);
  outline-offset: 3px;
}

.cs-btn-primary {
  background: linear-gradient(135deg, var(--cs-accent), var(--cs-accent-2));
  color: var(--cs-bg);
}

.cs-btn-secondary {
  border-color: var(--cs-border);
  color: var(--cs-text);
}

.cs-btn-link {
  color: var(--cs-accent-2);
  font-weight: 700;
  text-decoration: none;
}

.cs-btn-link:hover { text-decoration: underline; }

.cs-tag {
  display: inline-flex;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--cs-border);
  color: var(--cs-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cs-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* Top bar for case pages */
.cs-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--cs-border);
  background: rgba(11, 10, 43, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.cs-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.cs-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--cs-text);
  font-family: var(--cs-display);
  font-weight: 700;
}

.cs-brand img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  mix-blend-mode: screen;
}

.cs-topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  align-items: center;
}

.cs-topnav a {
  color: var(--cs-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.cs-topnav a:hover { color: var(--cs-text); }

.cs-topnav .cs-btn {
  min-height: 40px;
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
}

/* Index cards */
.cs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
  margin-top: 2.5rem;
}

.cs-card {
  display: grid;
  grid-template-rows: 180px auto;
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  overflow: hidden;
  background: var(--cs-surface);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.cs-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.22);
}

.cs-card-media {
  display: grid;
  place-items: center;
  background: #090820;
  padding: 1.25rem;
}

.cs-card-media img {
  max-width: 85%;
  max-height: 120px;
  object-fit: contain;
}

.cs-card-body {
  padding: 1.2rem 1.25rem 1.4rem;
  display: grid;
  gap: 0.55rem;
}

.cs-card-body h2 {
  margin: 0;
  font-family: var(--cs-display);
  font-size: 1.2rem;
}

.cs-card-body p {
  margin: 0;
  color: var(--cs-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

/* Case hero */
.cs-hero {
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
}

.cs-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.cs-hero-visual {
  border-radius: 18px;
  border: 1px solid var(--cs-border);
  overflow: hidden;
  background: #090820;
  min-height: 260px;
  display: grid;
  place-items: center;
}

.cs-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
}

.cs-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 1.25rem;
}

.cs-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Content blocks */
.cs-block + .cs-block {
  border-top: 1px solid var(--cs-border);
}

.cs-list {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: var(--cs-muted);
  line-height: 1.6;
}

.cs-list li { margin-bottom: 0.45rem; }

.cs-gallery {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.cs-gallery-item {
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  overflow: hidden;
  background: #090820;
}

.cs-gallery-item img {
  display: block;
  width: 100%;
  height: auto;
}

.cs-gallery-item figcaption {
  padding: 0.75rem 1rem;
  color: var(--cs-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--cs-border);
}

.cs-asset-pending {
  border: 1px dashed rgba(255, 214, 0, 0.35);
  border-radius: var(--cs-radius);
  padding: 1.5rem;
  background: rgba(255, 214, 0, 0.04);
  color: var(--cs-muted);
}

.cs-asset-pending strong {
  display: block;
  color: var(--cs-accent-2);
  font-family: var(--cs-display);
  margin-bottom: 0.4rem;
}

.cs-learning {
  border-left: 3px solid var(--cs-accent);
  padding: 0.25rem 0 0.25rem 1.1rem;
}

.cs-cta {
  border-top: 1px solid var(--cs-border);
  background: rgba(255, 255, 255, 0.02);
}

.cs-footer {
  border-top: 1px solid var(--cs-border);
  padding: 2rem 0 2.5rem;
  color: var(--cs-muted);
  font-size: 0.9rem;
}

.cs-footer a { color: var(--cs-muted); }
.cs-footer a:hover { color: var(--cs-text); }

.cs-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  margin-bottom: 1rem;
  padding: 0;
  list-style: none;
}

.seo-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.seo-footer-label {
  margin: 0 0 0.5rem;
  font-family: var(--cs-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cs-muted);
}

.seo-footer-grid .cs-footer-links {
  display: block;
  margin: 0;
  padding: 0;
}

.seo-footer-grid .cs-footer-links li {
  margin: 0.35rem 0;
}

.seo-case-links {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.seo-case-links a {
  color: var(--cs-accent-2);
  text-decoration: none;
  font-weight: 600;
}

.seo-case-links a:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  .seo-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}


@media (max-width: 960px) {
  .cs-grid,
  .cs-hero-grid {
    grid-template-columns: 1fr;
  }

  .cs-topnav .cs-hide-sm { display: none; }
}

@media (max-width: 640px) {
  .cs-actions { flex-direction: column; }
  .cs-actions .cs-btn { width: 100%; }
}