:root{
  --bg: #f6f8f9;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #475569;
  --border: #dfe3e6;

  --brand: #42933d;
  --brand-ink: #1f5d1d;
  --accent: #ffc61a;
  --accent-ink: #171515;

  --shadow: 0 10px 24px rgba(0,0,0,.06);
  --radius: 14px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg: #0f1418;
    --card: #11161a;
    --ink: #e6edf3;
    --muted: #93a1b3;
    --border: #25303a;
    --brand: #37b36e;
    --brand-ink: #157744;
    --accent: #ffc61a;
    --accent-ink: #0e0e0e;
    --shadow: 0 16px 28px rgba(0,0,0,.35);
  }
}
*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  color:var(--ink);
  background:var(--bg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.wrap{ max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header{
  position: sticky; top:0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between; min-height:64px;
}
.brand{ text-decoration:none; color:var(--ink); font-weight:800; letter-spacing:.2px; }
.brand-pill{
  display:inline-flex; align-items:center; gap:10px;
  background: color-mix(in srgb, var(--brand) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 35%, var(--border));
  padding: 8px 12px; border-radius: 999px;
}
.brand-star{ width:20px; height:20px; fill: var(--accent); filter: drop-shadow(0 1px 0 rgba(0,0,0,.1)); }
.top-nav a{ color: var(--muted); text-decoration: none; margin-left: 14px; }
.top-nav a:hover{ color: var(--ink); }
.top-nav a.gh{ padding: 7px 10px; border-radius:10px; border:1px solid var(--border); }

/* Hero */
.hero{ padding: 48px 0 24px; }
.hero-inner{ display:grid; gap: 24px; align-items:center; grid-template-columns: 1.15fr .85fr; }
@media (max-width: 980px){ .hero-inner{ grid-template-columns: 1fr; } }
.hero h1{ font-size: clamp(2rem, 4vw, 3rem); line-height: 1.05; margin: 0 0 10px; }
.lead{ color: var(--muted); font-size: 1.05rem; margin: 0 0 18px; }
.cta-row{ display:flex; flex-wrap:wrap; gap: 10px; margin: 10px 0 6px; }
.btn{ display:inline-block; text-decoration:none; cursor:pointer; padding: 10px 14px; border-radius: 12px; font-weight:700; border:1px solid var(--border); }
.btn.primary{ background: var(--brand); color: #fff; border-color: color-mix(in srgb, var(--brand) 70%, var(--border)); }
.btn.primary:hover{ filter: brightness(1.05); }
.btn.ghost{ background: transparent; color: var(--ink); }
.btn.light{ background: var(--card); color: var(--ink); }
.micro{ color: var(--muted); font-size: .92rem; }
.micro a{ color: var(--brand-ink); }

.hero-media img{
  width:100%; height:auto; display:block;
  border-radius: var(--radius); border:1px solid var(--border); box-shadow: var(--shadow);
}

/* Features */
.features{ padding: 28px 0; }
.features h2,
.whats-new h2,
.screens h2,
.how h2,
.donate h2,
.privacy h2{ font-size: 1.8rem; margin: 0 0 12px; }
.features .grid{ display:grid; gap: 12px; grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 980px){ .features .grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px){ .features .grid{ grid-template-columns: 1fr; } }
.card{ background: var(--card); border:1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.card h3{ margin: 0 0 8px; font-size: 1.05rem; }
.card p{ margin: 0; color: var(--muted); }

/* What's new */
.whats-new{ padding: 18px 0 8px; }
.changelog{ margin: 0; padding-left: 18px; color: var(--muted); }
.changelog li{ margin: 6px 0; }

/* Screens */
.screens{ padding: 22px 0; }
.shots{ display:grid; gap: 10px; grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 980px){ .shots{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px){ .shots{ grid-template-columns: 1fr; } }
.shots figure{ margin:0; }
.shots img{ width:100%; height:auto; display:block; border-radius: 12px; border:1px solid var(--border); box-shadow: var(--shadow); }

/* How */
.how{ padding: 18px 0; }
.steps{ margin: 0; padding-left: 18px; color: var(--muted); }
.steps li{ margin: 6px 0; }

/* Donate */
.donate{ padding: 24px 0; text-align:center; }
.donate p{ color: var(--muted); margin: 6px 0 14px; }
.donate-btn{ display:inline-block; min-width: 160px; text-align:center; background: var(--accent); color: var(--accent-ink);
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border)); }
.donate-btn:hover{ filter: brightness(1.05); }

/* Privacy */
.privacy{ padding: 18px 0 36px; }
.privacy p{ color: var(--muted); }

/* Footer */
.site-footer{ border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 92%, transparent); }
.footer-inner{ min-height: 64px; display:flex; align-items:center; justify-content:space-between; }
.footer-inner .links a{ color: var(--muted); text-decoration:none; margin-left: 12px; }
.footer-inner .links a:hover{ color: var(--ink); }

/* Small niceties */
em{ font-style: normal; background: color-mix(in srgb, var(--accent) 28%, transparent); padding: 0 4px; border-radius: 6px; }

/* Thumbnails: показалец ръчичка */
.screens .shots img { cursor: pointer; }

/* Overlay backdrop */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
}

/* когато е отворен */
.overlay.open { display: flex; }

/* Window със снимката ~700px */
.overlay-content {
  max-width: min(90vw, 700px);
  max-height: 80vh;
  width: min(90vw, 700px);
  height: auto;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  border-radius: 10px;
}

/* Caption */
#overlayCaption {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: #ccc;
  font-size: 14px;
  text-align: center;
  padding: 0 12px;
  max-width: 90vw;
}

/* Close (X) */
.close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 36px;
  cursor: pointer;
}

/* Navigation arrows */
.nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  border: 0;
  color: #fff;
  font-size: 36px;
  width: 48px;
  height: 72px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s ease;
}
.nav:hover { background: rgba(255,255,255,0.18); }
.prev { left: 18px; }
.next { right: 18px; }

/* курсор за фон и елементи */
.overlay { cursor: zoom-out; }
.overlay-content, .nav, .close { cursor: default; }