/* ═══════════════════════════════════════════
   SYNERGE — case-study.css
   Dedicated styles for the detailed case study
   pages, matching the #1F6357 and #101a18 theme.
═══════════════════════════════════════════ */

:root {
  --bg-dark: #101a18;
  --cs-green: #1F6357;
  --cs-green-light: #2A8172;
  --cs-accent: #4ade80;
  --txt-main: rgba(255, 255, 255, 0.9);
  --txt-muted: rgba(255, 255, 255, 0.6);
  --border-subtle: rgba(255, 255, 255, 0.1);
  --ease-sq: cubic-bezier(0.16, 1, 0.3, 1);
}

body.case-study-page {
  background-color: var(--bg-dark);
  color: var(--txt-main);
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, .cs-display {
  font-family: 'Plus Jakarta Sans', sans-serif;
  margin: 0;
  color: var(--txt-main);
}
p {
  color: var(--txt-muted);
}

.cs-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ─────────────────────────────────────
   NAVBAR (Minimal Back Link)
───────────────────────────────────── */
.cs-navbar {
  padding: 40px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cs-back-link {
  color: var(--txt-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.3s;
}
.cs-back-link:hover { opacity: 0.7; }
.cs-logo {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  text-decoration: none;
}

/* ─────────────────────────────────────
   HERO
───────────────────────────────────── */
.cs-hero {
  padding: 80px 0 100px;
  text-align: left;
}
.cs-eyebrow {
  display: inline-block;
  color: var(--cs-accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.cs-title {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 900px;
  margin-bottom: 32px;
}
.cs-excerpt {
  font-size: 1.25rem;
  color: var(--txt-muted);
  max-width: 700px;
  line-height: 1.6;
  margin-bottom: 60px;
}

.cs-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 40px 0;
}
.cs-meta-item strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--txt-muted);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.cs-meta-item span {
  font-size: 1.125rem;
  font-weight: 600;
}

/* ─────────────────────────────────────
   VISUAL HERO IMAGE
───────────────────────────────────── */
.cs-visual {
  margin-bottom: 120px;
}
.cs-visual-inner {
  background: var(--cs-green);
  border-radius: 24px;
  height: 60vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.cs-visual-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
}
/* A floating mockup container inside the visual */
.cs-mockup {
  width: 80%;
  max-width: 900px;
  height: 80%;
  background: #151515;
  border-radius: 12px 12px 0 0;
  box-shadow: 0 40px 100px rgba(0,0,0,0.5);
  position: relative;
  transform: translateY(40px);
  border: 1px solid rgba(255,255,255,0.1);
  border-bottom: none;
  z-index: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.cs-mock-header {
  height: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
  background: #1a1a1a;
}
.cs-mock-dot { width: 10px; height: 10px; border-radius: 50%; background: #444; }
.cs-mock-body { flex: 1; padding: 40px; }

/* ─────────────────────────────────────
   CONTENT BLOCK (Challenge / Solution)
───────────────────────────────────── */
.cs-content-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 120px;
}
.cs-block-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--txt-main);
  letter-spacing: -0.02em;
}
.cs-block-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--txt-muted);
  margin-bottom: 24px;
}
.cs-block-text p:last-child { margin-bottom: 0; }

/* ─────────────────────────────────────
   RESULTS BLOCK
───────────────────────────────────── */
.cs-results {
  background: var(--cs-green-light);
  border-radius: 24px;
  padding: 80px;
  margin-bottom: 120px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}
.cs-result-item h4 {
  font-size: 4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.cs-result-item p {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─────────────────────────────────────
   CTA / NEXT PROJECT
───────────────────────────────────── */
.cs-next {
  text-align: center;
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
}
.cs-next h2 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 40px;
}
.btn-primary {
  display: inline-block;
  background: var(--cs-accent);
  color: #000;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  padding: 20px 40px;
  border-radius: 60px;
  text-decoration: none;
  transition: transform 0.3s;
}
.btn-primary:hover {
  transform: translateY(-4px);
}

@media (max-width: 900px) {
  .cs-content-block { grid-template-columns: 1fr; gap: 20px; }
  .cs-results { grid-template-columns: 1fr; padding: 40px; }
  .cs-visual-inner { height: 40vh; min-height: 400px; }
  .cs-title { font-size: 2.5rem; }
}