/* CAR-T Türkiye – Shared styles (latest design system)
   Brand: navy #003366 · teal #00A896 · Educational + Second Opinion portal
*/

:root {
  --navy: #003366;
  --navy-dark: #001a33;
  --teal: #00A896;
  --teal-light: #00C4B0;
  --slate: #F4F6F8;
  --slate-dark: #E8ECF0;
  --charcoal: #1A202C;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Utility helpers used alongside Tailwind */
.bg-navy { background-color: var(--navy); }
.bg-navy-dark { background-color: var(--navy-dark); }
.bg-teal { background-color: var(--teal); }
.bg-slate { background-color: var(--slate); }
.text-navy { color: var(--navy); }
.text-teal { color: var(--teal); }
.text-teal-light { color: var(--teal-light); }

/* Buttons */
.btn-primary {
  background: #00A896;
  color: #fff;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  display: inline-block;
}
.btn-primary:hover {
  background: #00C4B0;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 168, 150, 0.35);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  display: inline-block;
}
.btn-outline:hover {
  background: #fff;
  color: #003366;
  border-color: #fff;
}

/* Navigation */
.nav-link {
  color: #CBD5E1;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-link:hover,
.nav-link.active {
  color: #00C4B0;
}

/* Typography helpers */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #003366;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

/* Cards & interactions */
.card-hover {
  transition: transform 0.2s, box-shadow 0.2s;
}
.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px -10px rgba(0, 51, 102, 0.14);
}

.article-card {
  transition: transform 0.2s, box-shadow 0.2s;
}
.article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -6px rgba(0, 51, 102, 0.12);
}

/* Process steps (homepage style) */
.process-step {
  position: relative;
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 1rem;
  padding: 1.25rem 1rem;
  text-align: center;
  height: 100%;
}
.process-num {
  width: 2.25rem;
  height: 2.25rem;
  background: #003366;
  color: #fff;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

/* Trust bar */
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #64748B;
}
.trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: #00A896;
  flex-shrink: 0;
}

/* Medical prose */
.prose-medical h2 {
  color: var(--navy);
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}
.prose-medical h3 {
  color: var(--navy);
  font-weight: 600;
  margin-top: 1.5rem;
  font-size: 1.1rem;
}
.prose-medical p {
  margin-bottom: 1rem;
  color: #4B5563;
  line-height: 1.7;
}
.prose-medical ul,
.prose-medical ol {
  margin-bottom: 1.25rem;
  padding-left: 1.25rem;
  color: #4B5563;
}
.prose-medical li {
  margin-bottom: 0.4rem;
}

/* FAQ */
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  padding: 1rem 0;
  border-bottom: 1px solid #E2E8F0;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item[open] summary {
  color: var(--teal);
}

/* Forms */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #CBD5E0;
  border-radius: 0.5rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-size: 0.95rem;
}
.form-input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.2);
}

/* Disclaimer */
.disclaimer {
  font-size: 0.8rem;
  color: #64748B;
  line-height: 1.55;
  background: #F8FAFC;
  border-left: 3px solid #00A896;
  padding: 1rem 1.25rem;
}

/* Hero helpers */
.hero-gradient {
  background: linear-gradient(135deg, #002244 0%, #003366 55%, #004488 100%);
}
.hero-bg {
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0, 168, 150, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(0, 80, 140, 0.35) 0%, transparent 50%),
    linear-gradient(145deg, #001428 0%, #002244 40%, #003366 100%);
}

/* Timeline (blog / content calendar) */
.timeline-item {
  position: relative;
  padding-left: 2rem;
  border-left: 3px solid var(--teal);
  margin-bottom: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 0.25rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--teal);
  border: 3px solid white;
  box-shadow: 0 0 0 2px var(--teal);
}

@media (max-width: 768px) {
  .section-title { font-size: 1.5rem; }
}