:root {
  --bg: #0c1220;
  --bg2: #152238;
  --card: #1a2940;
  --text: #f2f6fc;
  --muted: #9aafc7;
  --accent: #1e88e5;
  --accent2: #42a5f5;
  --line: #2a3d5c;
  --danger: #ef5350;
  --ok: #66bb6a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(30, 136, 229, 0.28), transparent 60%),
    radial-gradient(700px 400px at 0% 30%, rgba(21, 101, 192, 0.18), transparent 55%),
    var(--bg);
  line-height: 1.55;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(12, 18, 32, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}
.brand img { border-radius: 10px; }

.top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.top nav a { color: var(--muted); font-size: 0.95rem; text-decoration: none; }
.top nav a:hover { color: var(--text); }
.admin-link {
  padding: 6px 12px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent2) !important;
}

.lang-switch {
  display: inline-flex;
  gap: 4px;
  margin-left: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}
.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 8px;
  border-radius: 999px;
  cursor: pointer;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  background: var(--accent);
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 20px 40px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent2);
  font-size: 0.8rem;
  margin: 0 0 8px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.lead { color: var(--muted); font-size: 1.1rem; max-width: 34rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.hero-visual {
  display: grid;
  place-items: center;
}
.hero-visual img {
  width: min(280px, 70vw);
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 11px 18px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #1565c0);
  border-color: transparent;
}
.btn.ghost { background: transparent; }
.btn.large { padding: 14px 22px; font-size: 1.05rem; }
.btn.small { padding: 6px 10px; font-size: 0.85rem; }
.btn.danger { border-color: var(--danger); color: #ffcdd2; }

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 20px;
}
.section h2 { margin: 0 0 8px; font-size: 1.8rem; }
.section-lead { color: var(--muted); margin: 0 0 24px; }
.muted { color: var(--muted); font-size: 0.92rem; }

.download {
  text-align: center;
  background: linear-gradient(180deg, rgba(30,136,229,.12), transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-width: none;
}
.download h2, .download .section-lead, .download .btn, .download .muted {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.download .btn { margin: 8px auto 12px; }
.download-fallback {
  margin: 0 0 12px;
  font-size: 0.9rem;
}
.download-fallback a { color: var(--muted); text-decoration: underline; }
.download-fallback a:hover { color: var(--text); }

.step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 36px;
  padding: 18px;
  background: rgba(26, 41, 64, 0.55);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.step.reverse { direction: rtl; }
.step.reverse > * { direction: ltr; }
.step img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #0a101a;
  object-fit: cover;
  max-height: 420px;
}
.step-num {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  font-weight: 700;
  margin-bottom: 8px;
}
.step h3 { margin: 0 0 8px; }

.comment-form {
  display: grid;
  gap: 10px;
  max-width: 640px;
  margin-bottom: 24px;
}
.comment-form input,
.comment-form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0f1828;
  color: var(--text);
  padding: 11px 12px;
  font: inherit;
}

.comments-list { display: grid; gap: 12px; }
.comment-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}
.comment-card h4 { margin: 0 0 6px; }
.comment-card p { margin: 0 0 10px; color: var(--muted); }
.vote-row { display: flex; gap: 8px; flex-wrap: wrap; }

.footer {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer img { border-radius: 8px; }
.footer strong { color: var(--text); }

@media (max-width: 800px) {
  .hero, .step, .step.reverse { grid-template-columns: 1fr; direction: ltr; }
  .top { flex-direction: column; align-items: flex-start; }
}