/* ============================================================
   DeskBroadcast — marketing site
   Dark premium studio aesthetic, jungle-green accent.
   ============================================================ */

:root {
  --bg: #070a08;
  --bg-2: #0b100d;
  --card: #10151272;
  --card-solid: #101512;
  --panel: rgba(26, 30, 27, 0.92);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e9efe9;
  --muted: #9cb0a2;
  --accent: #3fd97f;
  --accent-2: #8df5b6;
  --accent-dim: rgba(63, 217, 127, 0.14);
  --accent-dim2: #143223;
  --danger: #ef4444;
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-panel: 0 28px 70px rgba(0, 0, 0, 0.6), 0 4px 16px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1100px 520px at 50% -140px, rgba(63, 217, 127, 0.10), transparent 65%),
    linear-gradient(180deg, #0a0f0b 0%, var(--bg) 40%);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 750; }
h3 { font-size: 1.12rem; font-weight: 650; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border-radius: 12px;
  font-weight: 600; font-size: 0.95rem; font-family: inherit;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  text-decoration: none !important;
}
.btn-primary {
  background: linear-gradient(180deg, #4ee98d, #2fbf6b);
  color: #05130a;
  box-shadow: 0 4px 18px rgba(63, 217, 127, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 26px rgba(63, 217, 127, 0.38), inset 0 1px 0 rgba(255,255,255,0.35); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-1px); }
.btn-lg { padding: 14px 26px; font-size: 1.02rem; border-radius: 14px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  background: rgba(7, 10, 8, 0.72);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 750; font-size: 1.05rem; color: var(--text);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; flex: none; }
.site-nav { display: flex; gap: 22px; margin-left: 12px; }
.site-nav a { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.header-cta { margin-left: auto; display: flex; gap: 10px; }
.header-cta .btn { padding: 8px 16px; font-size: 0.88rem; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 30px; }
.hero-copy { text-align: center; max-width: 800px; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 650; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(63, 217, 127, 0.25);
  padding: 5px 12px; border-radius: 999px; margin: 0 0 20px;
}
.lede, .section-lede {
  color: var(--muted); font-size: 1.12rem; max-width: 640px;
  margin: 0 auto 1.6em;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { color: var(--muted); font-size: 0.85rem; margin-top: 18px; opacity: 0.85; }

/* ---------- Demo: macOS desktop strip ---------- */
.demo-wrap { margin-top: 40px; }
.demo-screen {
  position: relative;
  height: 790px;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  overflow: hidden;
  background:
    radial-gradient(900px 500px at 18% 108%, rgba(35, 120, 70, 0.5), transparent 62%),
    radial-gradient(700px 420px at 88% -10%, rgba(28, 90, 58, 0.55), transparent 60%),
    radial-gradient(500px 380px at 60% 55%, rgba(20, 60, 38, 0.5), transparent 70%),
    linear-gradient(160deg, #0e2418 0%, #081109 55%, #0a180f 100%);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.demo-caption { color: var(--muted); font-size: 0.88rem; text-align: center; margin: 16px auto 0; max-width: 620px; }

/* menu bar */
.menubar {
  position: absolute; top: 0; left: 0; right: 0; height: 30px; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(16, 22, 17, 0.55);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  user-select: none; -webkit-user-select: none;
}
.menubar-left, .menubar-right { display: flex; align-items: center; gap: 4px; }
.mb-apple { font-size: 14px; padding: 0 8px; }
.mb-appname { font-weight: 700; padding: 0 8px; }
.mb-menu { padding: 0 8px; opacity: 0.75; }
.mb-icon {
  display: inline-flex; align-items: center; justify-content: center;
  height: 24px; min-width: 28px; padding: 0 5px;
  border-radius: 5px; color: rgba(255, 255, 255, 0.88);
  background: none; border: none; font: inherit;
}
.mb-icon svg { width: 17px; height: 15px; display: block; }
.mb-batt svg { width: 25px; height: 13px; }
.mb-db { cursor: pointer; transition: background 0.12s ease; }
.mb-db:hover { background: rgba(255, 255, 255, 0.14); }
.mb-db.active { background: rgba(255, 255, 255, 0.22); }
.mb-db svg { width: 19px; height: 16px; }
.mb-clock { padding: 0 6px 0 8px; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* desktop hint */
.demo-hint {
  position: absolute; top: 44%; left: 50%; transform: translate(-50%, -50%);
  max-width: 300px; text-align: center;
  color: rgba(233, 239, 233, 0.85); font-size: 0.98rem;
  transition: opacity 0.4s ease;
  z-index: 2;
}
.demo-hint p { margin: 0; }
.demo-hint .hint-arrow {
  display: block; font-size: 1.7rem; margin-bottom: 6px; color: var(--accent);
  animation: hint-bob 1.8s ease-in-out infinite;
}
@keyframes hint-bob {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(5px, -5px); }
}
.demo-hint.hidden { opacity: 0; pointer-events: none; }

/* ---------- App panel ---------- */
.db-panel {
  position: absolute; top: 38px; right: 14px; z-index: 10;
  width: 380px; max-width: calc(100% - 28px);
  max-height: calc(100% - 52px); overflow-y: auto;
  border-radius: 16px;
  background: var(--panel);
  backdrop-filter: blur(30px) saturate(1.5);
  -webkit-backdrop-filter: blur(30px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: var(--shadow-panel);
  padding: 12px 14px 14px;
  transform-origin: top right;
  opacity: 0; transform: translateY(-8px) scale(0.97);
  pointer-events: none; visibility: hidden;
  transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.2, 0.9, 0.3, 1.2), visibility 0.22s;
}
.db-panel.open {
  opacity: 1; transform: translateY(0) scale(1);
  pointer-events: auto; visibility: visible;
}

.db-panel-head { display: flex; align-items: center; gap: 8px; padding: 2px 4px 10px; }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px rgba(63, 217, 127, 0.9);
  animation: live-pulse 2.2s ease-in-out infinite;
}
@keyframes live-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.db-panel-title { font-weight: 700; font-size: 0.92rem; }
.db-panel-badge {
  margin-left: auto; font-size: 0.62rem; font-weight: 800; letter-spacing: 0.1em;
  color: var(--accent); background: var(--accent-dim);
  border: 1px solid rgba(63, 217, 127, 0.3);
  padding: 2px 7px; border-radius: 6px;
}

/* tabs */
.db-tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  background: rgba(0, 0, 0, 0.35); border-radius: 9px; padding: 2px; margin-bottom: 12px;
}
.db-tab {
  border: none; border-radius: 7px; padding: 6px 0;
  font: inherit; font-size: 0.85rem; font-weight: 600;
  background: transparent; color: var(--muted); cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.db-tab.active { background: rgba(255, 255, 255, 0.14); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,0.3); }

.db-page { display: none; }
.db-page.active { display: block; }

/* camera preview */
.cam-preview {
  border-radius: 11px; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #000;
  aspect-ratio: 16 / 9;
  margin-bottom: 12px;
}
.cam-stage { width: 100%; height: 100%; }
.cam-stage svg { display: block; width: 100%; height: 100%; }

/* sections inside panel */
.db-section {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 11px;
  padding: 10px 12px 11px;
  margin-bottom: 10px;
}
.db-section:last-child { margin-bottom: 0; }
.db-section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 7px; }
.db-section-title {
  font-size: 0.68rem; font-weight: 750; letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--muted);
}
.db-reset {
  background: none; border: none; font: inherit; font-size: 0.72rem;
  color: var(--muted); cursor: pointer; padding: 0;
}
.db-reset:hover { color: var(--accent-2); }

/* control rows */
.ctl-grid { display: grid; gap: 3px; }
.ctl-row, .amount-row {
  display: grid; grid-template-columns: 92px 1fr 46px;
  align-items: center; gap: 8px;
  font-size: 0.8rem; min-height: 24px;
}
.ctl-name { color: var(--text); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ctl-name em { font-style: normal; color: var(--muted); font-size: 0.68rem; }
.ctl-val {
  text-align: right; font-variant-numeric: tabular-nums;
  color: var(--muted); font-size: 0.74rem;
}

/* range inputs */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 18px; margin: 0;
  background: transparent; cursor: pointer;
}
input[type="range"]:disabled { opacity: 0.35; cursor: default; }
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, rgba(63,217,127,0.55), rgba(63,217,127,0.25)), rgba(255, 255, 255, 0.14);
  background-blend-mode: normal;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; margin-top: -5px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  border: none;
  transition: transform 0.1s ease;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-track {
  height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.14);
}
input[type="range"]::-moz-range-progress {
  height: 4px; border-radius: 2px; background: rgba(63, 217, 127, 0.6);
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: none; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

/* segmented control */
.bg-row { display: grid; gap: 8px; }
.seg {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: rgba(0, 0, 0, 0.35); border-radius: 8px; padding: 2px;
}
.seg-btn {
  border: none; border-radius: 6px; padding: 4px 0;
  font: inherit; font-size: 0.78rem; font-weight: 550;
  background: transparent; color: var(--muted); cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.seg-btn.active { background: rgba(255, 255, 255, 0.14); color: var(--text); }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.chip {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text); font: inherit; font-size: 0.74rem; font-weight: 550;
  border-radius: 999px; padding: 4px 11px; cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.25s ease;
}
.chip:hover { background: rgba(255, 255, 255, 0.11); }
.chip.active {
  background: var(--accent-dim); border-color: rgba(63, 217, 127, 0.5); color: var(--accent-2);
}
.chip.flash {
  box-shadow: 0 0 0 3px rgba(63, 217, 127, 0.35), 0 0 18px rgba(63, 217, 127, 0.5);
  border-color: var(--accent); color: var(--accent-2);
}

/* toggles */
.toggle-row {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; font-weight: 500; padding: 5px 0; cursor: pointer;
}
.toggle-row em { font-style: normal; color: var(--muted); font-size: 0.68rem; margin-left: 6px; }
.switch {
  -webkit-appearance: none; appearance: none;
  width: 36px; height: 21px; border-radius: 999px; margin: 0;
  background: rgba(255, 255, 255, 0.16); position: relative;
  cursor: pointer; transition: background 0.18s ease; flex: none;
}
.switch::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 17px; height: 17px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
  transition: transform 0.18s ease;
}
.switch:checked { background: var(--accent); }
.switch:checked::after { transform: translateX(15px); }

/* mic tab: slightly wider label column for band frequencies */
.db-page[data-page="mic"] .ctl-row { grid-template-columns: 108px 1fr 52px; }

/* RTA */
.rta-wrap { margin-bottom: 12px; }
#rta-canvas {
  display: block; width: 100%; height: 140px;
  background: #000; border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.level-track {
  height: 5px; border-radius: 3px; margin-top: 7px;
  background: rgba(255, 255, 255, 0.09); overflow: hidden;
}
.level-fill {
  height: 100%; width: 0%; border-radius: 3px;
  background: linear-gradient(90deg, #22c55e 0%, #a3e635 55%, #facc15 75%, #ef4444 95%);
  transition: none;
}

/* ---------- Page sections ---------- */
.section { padding: 96px 0; }
.section-alt {
  background: linear-gradient(180deg, rgba(63, 217, 127, 0.035), transparent 30%, transparent 70%, rgba(63, 217, 127, 0.03)),
    var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section h2 { text-align: center; }
.section-lede { text-align: center; }

/* features */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(63, 217, 127, 0.3); background: rgba(20, 27, 22, 0.7); }
.card-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(63, 217, 127, 0.22);
  margin-bottom: 16px;
}
.card-icon svg { width: 22px; height: 22px; }
.card p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* how it works */
.path-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 26px; margin-top: 22px;
}
.path-label {
  font-size: 0.7rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 14px;
}
.path { display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap; }
.node {
  flex: 1 1 130px; min-width: 130px;
  display: flex; flex-direction: column; justify-content: center; gap: 2px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 14px; text-align: center;
}
.node strong { font-size: 0.9rem; font-weight: 650; }
.node em { font-style: normal; color: var(--muted); font-size: 0.75rem; }
.node-accent { border-color: rgba(63, 217, 127, 0.35); background: rgba(63, 217, 127, 0.07); }
.node-accent strong { color: var(--accent-2); }
.arrow { align-self: center; color: var(--muted); font-size: 1.1rem; flex: none; }

/* pricing */
.price-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 340px)); gap: 18px;
  justify-content: center; margin-top: 44px;
}
.price-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 26px; text-align: center; position: relative;
}
.price-card-pro {
  border-color: rgba(63, 217, 127, 0.45);
  background: linear-gradient(180deg, rgba(63, 217, 127, 0.09), rgba(63, 217, 127, 0.02)), var(--card-solid);
  box-shadow: 0 18px 50px rgba(63, 217, 127, 0.09);
}
.price-flag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  font-size: 0.68rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase;
  color: #05130a; background: linear-gradient(180deg, #4ee98d, #2fbf6b);
  padding: 4px 12px; border-radius: 999px; margin: 0; white-space: nowrap;
}
.price { font-size: 1rem; color: var(--muted); margin: 6px 0 2px; }
.price span { font-size: 2.6rem; font-weight: 800; color: var(--text); letter-spacing: -0.03em; }
.price-sub { color: var(--muted); font-size: 0.88rem; margin: 4px 0 20px; }

.table-wrap { margin-top: 40px; overflow-x: auto; }
.compare {
  width: 100%; max-width: 780px; margin: 0 auto; border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--card); border-radius: var(--radius); overflow: hidden;
}
.compare th, .compare td {
  padding: 12px 18px; text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare thead th {
  font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}
.compare tbody th { font-weight: 500; color: var(--text); }
.compare td { color: var(--accent); font-weight: 600; width: 22%; }
.compare td.dim { color: var(--muted); font-weight: 400; font-size: 0.84rem; }
.compare td.good { color: var(--accent-2); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: none; }

/* FAQ */
#faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  margin-top: 14px; padding: 0 22px;
  transition: border-color 0.2s ease;
}
#faq details[open] { border-color: rgba(63, 217, 127, 0.3); }
#faq summary {
  cursor: pointer; font-weight: 600; padding: 18px 0;
  list-style: none; position: relative; padding-right: 30px;
}
#faq summary::-webkit-details-marker { display: none; }
#faq summary::after {
  content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  color: var(--accent); font-size: 1.3rem; font-weight: 400;
  transition: transform 0.2s ease;
}
#faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
#faq details p { color: var(--muted); margin: 0 0 20px; font-size: 0.95rem; }
#faq h2 { margin-bottom: 24px; }

/* download */
.download-card { text-align: center; }
.download-card .btn { margin-top: 8px; }

/* footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 48px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-brand { display: flex; gap: 12px; align-items: flex-start; max-width: 340px; }
.footer-name { font-weight: 750; margin: 2px 0 4px; }
.footer-tag { color: var(--muted); font-size: 0.86rem; margin: 0; }
.footer-nav { display: flex; flex-direction: column; gap: 8px; font-size: 0.9rem; }
.footer-nav a { color: var(--muted); }
.footer-nav a:hover { color: var(--text); }
.footer-legal { margin-top: 32px; }
.footer-legal p { color: var(--muted); font-size: 0.8rem; opacity: 0.7; margin: 0; }

/* ---------- Buy page ---------- */
.buy-main { padding: 84px 0 110px; }
.buy-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  padding: 40px 38px; text-align: center;
}
.buy-card .eyebrow { margin-bottom: 16px; }
.buy-steps {
  text-align: left; margin: 30px auto 8px; padding: 0; max-width: 480px;
  list-style: none; counter-reset: step;
}
.buy-steps li {
  counter-increment: step; position: relative;
  padding: 10px 0 10px 48px; color: var(--muted); font-size: 0.95rem;
}
.buy-steps li strong { color: var(--text); }
.buy-steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 8px;
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(63, 217, 127, 0.3);
  font-weight: 700; font-size: 0.85rem;
}
.buy-fallback { color: var(--muted); font-size: 0.9rem; margin-top: 26px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .site-nav { display: none; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 20px; }
  .feature-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .menubar-left .mb-menu { display: none; }
  .arrow { display: none; }
  .path { flex-direction: column; }
  .node { min-width: 0; }

  /* demo simplifies: panel becomes a static card under the menu bar */
  .demo-screen { height: auto; padding: 46px 12px 16px; }
  .db-panel {
    position: static; width: 100%; max-width: none;
    opacity: 1; transform: none; pointer-events: auto; visibility: visible;
    display: none;
  }
  .db-panel.open { display: block; }
  .demo-hint { position: static; transform: none; margin: 30px auto; }
  .demo-hint.hidden { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}