/* ============================================================
   CASE STUDIES PAGE — assets/css/case-studies.css
   For: case-studies.html (Coming Soon layout)
   Note: Actual case study card styles (.cs-card, .cs-stat, etc.)
         live in style.css for future use.
   ============================================================ */

/* Hero (Coming Soon) */
.cs-hero {
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
}
.cs-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: linear-gradient(135deg, rgba(62,224,208,.12), rgba(139,92,246,.08));
  border: 1px solid rgba(62,224,208,.35);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #3EE0D0;
  font-weight: 600;
  margin-bottom: 24px;
}
.cs-hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3EE0D0;
  box-shadow: 0 0 12px #3EE0D0;
  animation: csPulse 2s ease-in-out infinite;
}
@keyframes csPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}
.cs-hero__title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.cs-hero__lead {
  max-width: 680px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Center info card */
.cs-info { padding: 20px 0 80px; }
.cs-info__card {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 44px;
  background: linear-gradient(160deg, rgba(62,224,208,.06), rgba(139,92,246,.03));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cs-info__card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(62,224,208,.06), transparent 40%),
              radial-gradient(circle at 70% 80%, rgba(139,92,246,.05), transparent 40%);
  pointer-events: none;
}
.cs-info__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 20px;
  background: linear-gradient(135deg, #3EE0D0 0%, #2B8CF0 50%, #8B5CF6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 40px rgba(62,224,208,.25);
  position: relative;
  z-index: 1;
}
.cs-info__icon svg {
  width: 36px;
  height: 36px;
  stroke: #04121A;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cs-info__title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.cs-info__text {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 620px;
  margin: 0 auto 12px;
  position: relative;
  z-index: 1;
}
.cs-info__text strong { color: var(--white); }
.cs-info__note {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: rgba(62,224,208,.08);
  border: 1px solid rgba(62,224,208,.25);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--cyan);
  letter-spacing: .04em;
  position: relative;
  z-index: 1;
}

/* Client preview */
.cs-preview { padding: 60px 0 80px; }
.cs-preview__label {
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.cs-preview__title {
  text-align: center;
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 12px;
}
.cs-preview__lead {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 44px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}
.cs-preview__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}
.cs-preview__tile {
  padding: 24px 22px;
  background: var(--navy-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color .25s ease, transform .25s ease;
  position: relative;
  overflow: hidden;
}
.cs-preview__tile:hover {
  border-color: rgba(62,224,208,.35);
  transform: translateY(-2px);
}
.cs-preview__tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 4px 10px;
  background: rgba(62,224,208,.08);
  border-radius: 999px;
  margin-bottom: 12px;
}
.cs-preview__name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 6px;
}
.cs-preview__desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
}

/* Options */
.cs-options { padding: 40px 0 80px; }
.cs-options__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.cs-option {
  padding: 32px 28px;
  background: var(--navy-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color .25s ease, transform .25s ease;
  display: flex;
  flex-direction: column;
}
.cs-option:hover {
  border-color: rgba(62,224,208,.35);
  transform: translateY(-3px);
}
.cs-option__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(62,224,208,.15), rgba(139,92,246,.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.cs-option__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--cyan);
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cs-option__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.cs-option__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}
.cs-option__link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: .02em;
  text-decoration: none;
  transition: color .2s ease;
}
.cs-option__link:hover { color: var(--white); }

@media (max-width: 640px) {
  .cs-info__card { padding: 36px 24px; }
  .cs-hero { padding: 60px 0 40px; }
  .cs-preview { padding: 40px 0 60px; }
  .cs-options { padding: 20px 0 60px; }
}