/**
 * Yurtiçi Servis — kurumsal UX tokens (Tailwind yanında hafif katman)
 */
:root {
  --brand-blue: #1e40af;
  --brand-blue-soft: #2563eb;
  --brand-ink: #0f172a;
  --brand-muted: #64748b;
  --brand-surface: #f8fafc;
  --brand-surface-2: #ffffff;
  --brand-border: #e2e8f0;
  --brand-green: #16a34a;
  --brand-radius: 0.875rem;
  --brand-shadow: 0 1px 2px rgb(15 23 42 / 0.06), 0 8px 24px rgb(15 23 42 / 0.06);
  --section-y: 3.5rem;
  --section-y-lg: 5rem;
}

@media (min-width: 1024px) {
  :root {
    --section-y: 4.5rem;
    --section-y-lg: 6rem;
  }
}

html {
  scroll-behavior: smooth;
}

body.brand-ui {
  background: var(--brand-surface);
  color: var(--brand-ink);
  -webkit-font-smoothing: antialiased;
}

body.brand-ui a:focus-visible,
body.brand-ui button:focus-visible {
  outline: 2px solid var(--brand-blue-soft);
  outline-offset: 2px;
}

.section-y {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

.section-y-lg {
  padding-top: var(--section-y-lg);
  padding-bottom: var(--section-y-lg);
}

.container-prose {
  max-width: 42rem;
}

.brand-card {
  background: var(--brand-surface-2);
  border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius);
  box-shadow: var(--brand-shadow);
}

.brand-card-quiet {
  background: var(--brand-surface-2);
  border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius);
}

.brand-hero {
  background:
    radial-gradient(ellipse 80% 60% at 100% 0%, rgb(37 99 235 / 0.35), transparent 55%),
    linear-gradient(135deg, #1e3a8a 0%, #1e40af 45%, #1d4ed8 100%);
}

.brand-trust-bar {
  background: #0f172a;
  border-bottom: 1px solid rgb(255 255 255 / 0.06);
}

.brand-header {
  background: var(--brand-blue);
  box-shadow: 0 1px 0 rgb(15 23 42 / 0.08), 0 8px 20px rgb(15 23 42 / 0.12);
  transition: box-shadow 0.2s ease;
}

.brand-header.is-scrolled {
  box-shadow: 0 8px 28px rgb(15 23 42 / 0.18);
}

.brand-info-strip {
  background: #eff6ff;
  border-bottom: 1px solid #bfdbfe;
  color: #1e3a8a;
}

.brand-cta-primary {
  transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.brand-cta-primary:hover {
  transform: translateY(-1px);
}

.brand-sticky-mobile {
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.brand-float-panel {
  background: var(--brand-surface-2);
  border: 1px solid var(--brand-border);
  border-radius: calc(var(--brand-radius) + 0.25rem);
  box-shadow: var(--brand-shadow);
}

.brand-main-pad {
  padding-bottom: 5.5rem;
}

@media (min-width: 1024px) {
  .brand-main-pad {
    padding-bottom: 0;
  }
}

.brand-blog-prose {
  max-width: 46rem;
  margin-left: auto;
  margin-right: auto;
}

.brand-blog-prose h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.brand-blog-prose h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.brand-blog-prose p,
.brand-blog-prose li {
  line-height: 1.75;
  color: #334155;
}

.brand-motion-fade {
  animation: brandFadeIn 0.45s ease both;
}

@keyframes brandFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}