:root {
  --bg: #0d1117;
  --bg-soft: #111827;
  --panel: #161f2d;
  --panel-2: #1d293b;
  --text: #f8fafc;
  --muted: #a7b3c6;
  --line: rgba(255,255,255,.12);
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --success: #86efac;
  --warning: #fde68a;
  --danger: #fca5a5;
  --shadow: 0 24px 80px rgba(0,0,0,.32);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1180px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(56,189,248,.22), transparent 34rem),
    radial-gradient(circle at 90% 5%, rgba(125,211,252,.14), transparent 26rem),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 2.5rem);
  background: rgba(13, 17, 23, .76);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: #06101a;
  background: linear-gradient(135deg, #e0f2fe, #38bdf8);
  font-weight: 900;
  letter-spacing: -.04em;
  box-shadow: 0 10px 26px rgba(56,189,248,.25);
}
.brand strong { display: block; line-height: 1.1; }
.brand small { display: block; color: var(--muted); font-size: .78rem; margin-top: .1rem; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(.75rem, 2vw, 1.5rem);
  color: var(--muted);
  font-size: .95rem;
}
.nav a:hover { color: var(--text); }

.section, .section-grid {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6.5rem) 0;
}
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .72fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.hero { min-height: calc(100vh - 86px); }
.eyebrow {
  color: var(--accent);
  margin: 0 0 .85rem;
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .18em;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(2.65rem, 7vw, 5.8rem);
  line-height: .92;
  letter-spacing: -.08em;
  max-width: 900px;
  margin-bottom: 1.25rem;
}
h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
  letter-spacing: -.055em;
  margin-bottom: 1rem;
}
h3 { font-size: 1.18rem; margin-bottom: .55rem; }
.lead, .section-intro {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--muted);
  max-width: 760px;
}

.hero-actions, .form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 1.6rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .86rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 800;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary {
  background: linear-gradient(135deg, #e0f2fe, #38bdf8);
  color: #07111c;
  box-shadow: 0 18px 48px rgba(56,189,248,.24);
}
.button.secondary {
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-color: var(--line);
}
.button.small { min-height: 40px; padding: .6rem .9rem; font-size: .9rem; }

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.4rem;
}
.trust-row span, .badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  padding: .45rem .75rem;
  color: var(--muted);
  font-size: .9rem;
}
.hero-card { justify-self: stretch; }
.folder-card, .info-card, .download-card, .price-card, .result-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.folder-card {
  position: relative;
  padding: 2rem;
  overflow: hidden;
}
.folder-card::before {
  content: "";
  position: absolute;
  inset: auto -20% -35% -20%;
  height: 50%;
  background: radial-gradient(circle, rgba(56,189,248,.24), transparent 65%);
}
.folder-tab {
  width: 128px;
  height: 28px;
  border-radius: 12px 12px 0 0;
  background: rgba(125,211,252,.22);
  border: 1px solid var(--line);
  border-bottom: 0;
  margin-bottom: 1rem;
}
pre {
  position: relative;
  padding: 1.2rem;
  background: rgba(0,0,0,.28);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: auto;
}
code { color: #dff6ff; }

.steps, .pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.steps article, .price-card, .info-card, .download-card {
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
}
.steps span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 1rem;
  border-radius: 14px;
  background: rgba(125,211,252,.14);
  color: var(--accent);
  font-weight: 900;
}
.steps p, .price-card p, .info-card p, .download-card p, .site-footer { color: var(--muted); }
.muted-section {
  width: 100%;
  max-width: none;
  padding-inline: max(1rem, calc((100vw - var(--max)) / 2));
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border-block: 1px solid var(--line);
}
.price-card.featured {
  background: linear-gradient(180deg, rgba(56,189,248,.18), rgba(255,255,255,.06));
  border-color: rgba(125,211,252,.44);
  transform: translateY(-.5rem);
}
.price {
  font-size: 2.3rem;
  color: var(--text) !important;
  font-weight: 900;
  letter-spacing: -.05em;
  margin-bottom: .25rem;
}
ul, ol { padding-left: 1.25rem; color: var(--muted); }
li { margin: .35rem 0; }

.section-title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.order-form {
  display: grid;
  gap: 1rem;
}
fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.045);
  padding: 1.3rem;
  margin: 0;
}
legend {
  padding: 0 .5rem;
  color: var(--accent);
  font-weight: 900;
}
.form-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-grid.two { grid-template-columns: repeat(2, 1fr); }
.form-grid.three { grid-template-columns: repeat(3, 1fr); }
label {
  display: grid;
  gap: .45rem;
  color: var(--text);
  font-weight: 700;
}
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0,0,0,.22);
  color: var(--text);
  padding: .85rem .95rem;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(125,211,252,.7);
  box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}
textarea { resize: vertical; }
.help-text {
  color: var(--muted);
  font-size: .9rem;
  margin: .35rem 0 0;
}
.toggle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  margin: 1rem 0;
}
.checkbox-line, .toggle-grid label {
  display: flex;
  align-items: center;
  gap: .55rem;
  color: var(--muted);
  font-weight: 700;
}
.checkbox-line input, .toggle-grid input { width: auto; accent-color: var(--accent-strong); }
.hidden { display: none !important; }

.result-panel {
  margin-top: 1.25rem;
  padding: 1.25rem;
}
.result-panel.compact { min-height: 70px; box-shadow: none; }
.result-panel.success { border-color: rgba(134,239,172,.4); }
.result-panel.warning { border-color: rgba(253,230,138,.45); }
.result-panel.danger { border-color: rgba(252,165,165,.45); }
.result-panel h3 { margin-top: 0; }
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1rem;
}
.mini-output {
  margin-top: .9rem;
  color: var(--muted);
  font-size: .93rem;
  white-space: pre-wrap;
}
.narrow-page { max-width: 880px; }
.admin-page { max-width: 1180px; }
.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0 1rem;
}
.download-card { margin: 1.5rem 0; }
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
  font-size: .92rem;
}
.site-footer p { margin: 0; }
.site-footer a { color: var(--accent); }

@media (max-width: 900px) {
  .section-grid, .steps, .pricing-grid, .admin-grid, .form-grid.two, .form-grid.three, .toggle-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  h1 { font-size: clamp(2.4rem, 12vw, 4rem); }
  .price-card.featured { transform: none; }
  .section-title-row { align-items: start; flex-direction: column; }
  .site-footer { flex-direction: column; align-items: start; }
}