:root {
  --vr-green: #128a22;
  --vr-green-2: #0f6d1b;
  --text: #171717;
  --text-muted: #4b5563;
  --border: #e5e7eb;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
}

body {
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.brand { color: var(--vr-green); font-weight: 700; text-decoration: none; }
.brand:hover { color: var(--vr-green-2); }

.btn-brand {
  background: var(--vr-green); border: none; color: #fff;
  transition: transform .12s ease, background-color .2s ease;
}
.btn-brand:hover { background: var(--vr-green-2); color: #fff; }
.btn-brand:active { transform: translateY(1px); }
.btn-brand:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--vr-green) 70%, white);
  outline-offset: 2px;
}

/* вторичен вариант за бял фон */
.btn-brand-outline {
  background: transparent; border: 1px solid var(--vr-green); color: var(--vr-green);
}
.btn-brand-outline:hover { background: var(--vr-green); color:#fff; }

.bg-hero { background: linear-gradient(180deg, #f8fff9, #ffffff); }

.section-title { font-weight: 700; }

.tech-badge {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .35rem .7rem;
  font-size: .95rem;
  margin: .25rem .35rem;
  display: inline-block;
  color: var(--text-muted);
}

.nav-link { color: #333; transition: color .15s ease; }
.nav-link:hover { color: var(--vr-green); }
.nav-link.active, .nav-link[aria-current="page"] { color: var(--vr-green-2); font-weight: 600; }
.nav-link:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--vr-green) 60%, white);
  outline-offset: 2px;
}

.lang a { text-decoration: none; margin: 0 .3rem; opacity: .7; }
.lang a.active { font-weight: 600; opacity: 1; color: var(--vr-green); }
.lang a:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--vr-green) 60%, white);
  outline-offset: 2px;
}

.container-narrow { max-width: 680px; margin: 0 auto; padding: 2rem 1rem; }

/* Sticky header shadow when scrolled */
.sticky-top.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(1.2) blur(6px);
}

/* Optional: hero overlay ако снимката е светла */
.hero-overlay {
  position: relative;
}
.hero-overlay::before {
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,.55) 100%);
  pointer-events:none;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Mobile tweaks */
@media (max-width: 576px) {
  .tech-badge { font-size: .9rem; padding: .3rem .6rem; }
}

/* === Partners section === */
#partners {
  background: #fff;
}

#partners .section-title {
  font-weight: 700;
  color: #1a1a1a;
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem 3rem;
}

.partner-item {
  flex: 0 1 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e6e6e6;
  border-radius: 12px;
  padding: 1rem 1.5rem;
  background-color: #fafafa;
  transition: transform .2s ease, box-shadow .2s ease;
}

.partner-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  background-color: #fff;
}

.partner-logo {
  max-height: 50px;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* Responsive */
@media (max-width: 768px) {
  .partner-item {
    flex: 0 1 45%;
  }
}