:root {
  --bg: #0F1419;
  --bg2: #0B0F14;
  --card: #1A2129;
  --card2: #151C23;
  --border: #2A333D;
  --accent: #2DBE73;
  --accent2: #5BD693;
  --accent-tint: rgba(45,190,115,.12);
  --accent-line: rgba(45,190,115,.32);
  --on-accent: #06101f;
  --logo-ink: #0F1419;
  --logo-face: #FFFFFF;
  --green: #35C56A;
  --danger: #FF5A5F;
  --text: #E6EDF3;
  --muted: #8B97A3;
  --track: #39434E;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
.accent { color: var(--accent); }
code { background: #0b0f14; border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; font-size: .9em; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 18px; border-radius: 10px; font-weight: 600; font-size: 15px;
  background: var(--track); color: var(--text); cursor: pointer; border: 1px solid transparent;
  transition: transform .08s ease, opacity .15s ease;
}
.btn:hover { opacity: .92; }
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; }
.btn.primary { background: linear-gradient(180deg, var(--accent2), var(--accent)); color: var(--on-accent); }
.btn.ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn.sm { padding: 8px 14px; font-size: 14px; border-radius: 8px; }
.btn.big { padding: 15px 24px; font-size: 16px; }

/* ---- nav ---- */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(15,20,25,.82); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand svg { width: 32px; height: 32px; flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 15px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: var(--on-accent); }

/* ---- hero ---- */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding: 70px 16px 60px; }
.pill { display: inline-block; font-size: 13px; color: var(--accent2); background: var(--accent-tint); border: 1px solid var(--accent-line); padding: 5px 12px; border-radius: 999px; margin-bottom: 18px; }
.hero h1 { font-size: 42px; font-weight: 700; letter-spacing: -.5px; }
.lead { color: var(--muted); font-size: 18px; margin: 18px 0 26px; max-width: 540px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; color: var(--muted); font-size: 13.5px; }

.hero-mock { display: grid; gap: 14px; }
.mock-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.mock-status { display: flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 600; }
.mock-status.blocked { color: var(--danger); }
.mock-status .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--danger); }
.mock-sub { color: var(--muted); font-size: 13px; margin-top: 6px; }
.mock-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.mock-btn { font-size: 12.5px; font-weight: 600; padding: 7px 11px; border-radius: 8px; background: var(--track); }
.mock-btn.danger { background: var(--danger); color: #1a0608; }
.mock-btn.primary { background: var(--accent); color: var(--on-accent); }
.mock-day { font-weight: 600; margin-bottom: 8px; }
.mock-row { display: flex; align-items: center; gap: 8px; }
.mock-time { background: #0b0f14; border: 1px solid var(--border); border-radius: 6px; padding: 5px 10px; font-size: 13px; }
.sep { color: var(--muted); }
.mock-slider { height: 6px; border-radius: 3px; background: var(--track); margin: 12px 0 10px; }
.mock-slider span { display: block; height: 100%; border-radius: 3px; background: var(--accent); }

/* ---- sections ---- */
.section { padding: 56px 16px; }
.section h2 { font-size: 30px; font-weight: 700; }
.section-lead { color: var(--muted); font-size: 17px; margin: 12px 0 30px; max-width: 620px; }

/* ---- feature grid ---- */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.feature .ic { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-tint); color: var(--accent); margin-bottom: 14px; }
.feature .ic svg { width: 22px; height: 22px; }
.feature h3 { font-size: 16.5px; margin-bottom: 7px; }
.feature p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---- steps ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step-n { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--on-accent); font-weight: 700; display: grid; place-items: center; margin-bottom: 14px; }
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; margin: 0; }

/* ---- panel demo ---- */
.panel-demo { max-width: 540px; padding: 22px; }
.pd-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.pd-title { font-size: 20px; font-weight: 700; }
.pd-muted { color: var(--muted); font-size: 13px; }
.pd-switch { width: 46px; height: 26px; border-radius: 13px; background: var(--accent); position: relative; }
.pd-switch .knob { position: absolute; top: 3px; right: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; }
.pd-status { display: flex; align-items: center; gap: 8px; font-size: 16px; margin-bottom: 14px; }
.pd-status .dot { width: 11px; height: 11px; border-radius: 50%; }
.pd-status .dot.ok { background: var(--green); }
.pd-toggles { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip { font-size: 12.5px; padding: 6px 11px; border-radius: 999px; background: var(--card2); border: 1px solid var(--border); color: var(--muted); }
.chip.on { color: var(--accent2); border-color: var(--accent-line); background: var(--accent-tint); }
.pd-day { background: var(--card2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.pd-day-name { font-weight: 600; margin-bottom: 10px; }
.pd-win { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.pd-win span { background: #0b0f14; border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; font-size: 13px; }
.pd-limit { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.pd-limit .bar { flex: 1; height: 6px; border-radius: 3px; background: var(--track); }
.pd-limit .bar i { display: block; height: 100%; border-radius: 3px; background: var(--accent); }

/* ---- download ---- */
.download .dl-card { max-width: 720px; margin: 0 auto; text-align: center; padding: 34px; }
.dl-steps { text-align: left; color: var(--muted); max-width: 560px; margin: 18px auto 24px; padding-left: 20px; }
.dl-steps li { margin: 8px 0; }
.dl-note { color: var(--muted); font-size: 13px; margin-top: 14px; }

/* ---- footer ---- */
.foot { display: flex; flex-direction: column; gap: 6px; padding: 30px 16px 50px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13.5px; }
.download-url { display:block; width:100%; margin:8px 0 20px; padding:13px 15px; border:0; border-radius:12px; color:var(--text); background:var(--card2); font:inherit; font-size:13px; }
:focus-visible { outline:2px solid var(--accent); outline-offset:4px; box-shadow:0 0 18px var(--accent-tint); }
html { scroll-behavior:smooth; scrollbar-color:var(--accent) var(--card); scrollbar-width:thin; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior:auto; } *,*::before,*::after { transition:none!important; animation:none!important; } }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .hero h1 { font-size: 28px; }
  .section h2 { font-size: 24px; }
}