:root,
[data-theme="ember"] {
  /* Bold navy + orange: deep industrial navy anchor, high-energy orange accent */
  --bg: #0c1c2e;
  --bg-nav: rgba(10, 18, 30, 0.82);
  --surface: #112637;
  --surface-2: #16283c;
  --border: #223349;
  --text: #ffffff;
  --text-muted: #9aa8bc;
  --text-lead: #d5deea;
  --accent: #ff6a1a;
  --accent-2: #ff8a3d;
  --accent-press: #e5560b;
  --accent-dim: rgba(255, 106, 26, 0.14);
  --accent-ink: #ffffff;
  --accent-rgb: 255, 106, 26;
  --warn: #fb7185;
  --warn-dim: rgba(251, 113, 133, 0.12);
  --phone: #0a0e14;
  --bubble-in: #1b2738;
  --bubble-out: #ff6a1a;
  --bubble-out-text: #ffffff;
  --shadow: 0 24px 70px -18px rgba(5, 10, 20, 0.6);
  --shadow-sm: 0 10px 30px -14px rgba(5, 10, 20, 0.5);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
  --nav-h: 72px;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Inter Tight", Inter, system-ui, sans-serif;
}

[data-theme="mint"] {
  --bg: #08090b;
  --bg-nav: rgba(8, 9, 11, 0.78);
  --surface: #101215;
  --surface-2: #16191e;
  --border: #23272e;
  --text: #f2f4f7;
  --text-muted: #8b939f;
  --text-lead: #c5ccd6;
  --accent: #00e5a0;
  --accent-2: #4dffc4;
  --accent-press: #00b884;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --accent-ink: #06281c;
  --accent-rgb: 0, 229, 160;
  --warn: #ff6b4a;
  --warn-dim: rgba(255, 107, 74, 0.12);
  --phone: #0b0d10;
  --bubble-in: #1c222b;
  --bubble-out: #123d30;
  --bubble-out-text: #d8fff0;
}

[data-theme="paper"] {
  --bg: #f7f4ef;
  --bg-nav: rgba(247, 244, 239, 0.9);
  --surface: #ffffff;
  --surface-2: #efeae3;
  --border: #e0d8ce;
  --text: #121212;
  --text-muted: #5c574f;
  --text-lead: #3f3a34;
  --accent: #f97316;
  --accent-2: #ff8a3d;
  --accent-press: #c2410c;
  --accent-dim: rgba(249, 115, 22, 0.12);
  --accent-ink: #ffffff;
  --accent-rgb: 249, 115, 22;
  --warn: #c2410c;
  --warn-dim: rgba(194, 65, 12, 0.1);
  --phone: #1a1a1a;
  --bubble-in: #efeae3;
  --bubble-out: #f97316;
  --bubble-out-text: #ffffff;
  --shadow: 0 16px 40px rgba(18, 18, 18, 0.08);
  --shadow-sm: 0 8px 22px rgba(18, 18, 18, 0.06);
}

*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { letter-spacing: -0.035em; line-height: 1.12; margin: 0 0 0.6em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.55rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; color: var(--text-muted); }
p.lead { font-size: 1.12rem; color: var(--text-lead); }
.mono { font-family: var(--sans); }
.data { font-family: var(--mono); font-size: 0.82rem; letter-spacing: -0.02em; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 108px 0; }
.section.tight { padding: 72px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.18);
}
.muted { color: var(--text-muted); }
.center { text-align: center; }
.hair { height: 1px; background: var(--border); border: 0; margin: 0; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center;
  backdrop-filter: blur(16px);
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 28px; width: min(1240px, calc(100% - 40px)); margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.04em; }
.mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 11px; font-weight: 700;
}
.nav-links { display: flex; gap: 22px; margin-left: 12px; color: var(--text-muted); font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.menu-btn {
  display: none; background: transparent; border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 8px 10px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 12px 18px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; letter-spacing: -0.02em; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-press, var(--accent)));
  color: var(--accent-ink);
  box-shadow: 0 10px 24px -8px rgba(var(--accent-rgb), 0.55);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(var(--accent-rgb), 0.65); filter: brightness(1.04); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); transition: border-color 0.15s ease, background 0.15s ease; }
.btn-ghost:hover { border-color: var(--accent); background: var(--surface); }
.btn-warn { background: var(--warn); color: var(--accent-ink); }

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 48px;
  overflow: hidden;
  background-image:
    radial-gradient(1100px 520px at 78% -8%, rgba(var(--accent-rgb), 0.20), transparent 60%),
    radial-gradient(800px 420px at 8% 8%, rgba(47, 125, 246, 0.14), transparent 58%);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%);
  opacity: 0.6;
  pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.hero h1 { margin-bottom: 16px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 18px; }
.answer {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--text-lead);
  font-size: 15.5px;
  line-height: 1.5;
}
.answer strong { color: var(--text); font-weight: 600; }

/* Device / product frames */
.frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.frame-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  color: var(--text-muted); font-family: var(--mono); font-size: 11px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.dot.g { background: var(--accent); }
.dot.w { background: var(--warn); }

.phone {
  background: var(--phone);
  padding: 16px;
  min-height: 420px;
}
.sms { display: flex; flex-direction: column; gap: 10px; }
.bubble {
  max-width: 86%;
  padding: 10px 12px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.4;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}
.bubble.in { background: var(--bubble-in); align-self: flex-start; }
.bubble.out { background: var(--bubble-out); color: var(--bubble-out-text); align-self: flex-end; }
.bubble .meta { display: block; margin-top: 6px; font-family: var(--mono); font-size: 10px; color: var(--text-muted); }
.sys {
  align-self: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: 999px;
  padding: 6px 10px;
}
.cal-chip {
  align-self: flex-end;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 13px;
  width: 86%;
}

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.stat b {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 6px;
  color: var(--accent-2, var(--accent));
}
.stat span { color: var(--text-muted); font-size: 14px; }
.stat .src { display: block; margin-top: 10px; font-family: var(--mono); font-size: 11px; color: var(--text-muted); }

/* Cards / grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(var(--accent-rgb), 0.35); }
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; font-size: 15px; }
.card a.more { display: inline-block; margin-top: 14px; color: var(--accent); font-size: 14px; font-weight: 600; }

.loop {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--border); border-radius: 18px; overflow: hidden;
}
.loop article { padding: 28px; background: var(--surface); }
.loop article + article { border-left: 1px solid var(--border); }
.loop .n {
  font-family: var(--mono); color: var(--accent); font-size: 12px; margin-bottom: 12px;
}

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step .n {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--accent-dim); color: var(--accent);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 13px; margin-bottom: 14px;
}

.standard {
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  background:
    radial-gradient(800px 200px at 50% 0%, rgba(var(--accent-rgb), 0.12), transparent),
    var(--surface);
  border-radius: 22px;
  padding: 48px 32px;
  text-align: center;
}
.timer {
  font-family: var(--mono);
  font-size: clamp(3rem, 8vw, 5.5rem);
  letter-spacing: -0.06em;
  color: var(--accent);
  margin: 8px 0 10px;
}

/* Mode demo */
.modes { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.mode-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
}
.mode-btn.on { background: var(--accent-dim); color: var(--accent); border-color: rgba(var(--accent-rgb), 0.35); }
.seq { display: grid; gap: 8px; }
.seq li {
  list-style: none;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  display: flex; gap: 10px; align-items: baseline;
}
.seq { margin: 0; padding: 0; }
.seq .t { font-family: var(--mono); font-size: 11px; color: var(--accent); min-width: 64px; }

/* Queue */
.queue { display: grid; gap: 10px; }
.qcard {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: start;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 14px;
}
.qcard.gone { opacity: 0.35; filter: grayscale(0.6); }
.qmeta { font-family: var(--mono); font-size: 11px; color: var(--text-muted); margin-bottom: 6px; }
.qacts { display: flex; gap: 6px; }
.qacts button {
  border-radius: 8px; border: 1px solid var(--border); background: var(--bg);
  padding: 7px 10px; font-size: 12px; font-weight: 600;
}
.qacts .yes { background: var(--accent); color: var(--accent-ink); border-color: transparent; }

/* Cost stack */
.stack { width: 100%; border-collapse: collapse; font-size: 15px; }
.stack th, .stack td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); }
.stack th { color: var(--text-muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.stack td:last-child, .stack th:last-child { text-align: right; font-family: var(--mono); }
.stack tfoot td { color: var(--warn); font-weight: 600; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.good { border-color: rgba(var(--accent-rgb), 0.3); }
.bad { border-color: var(--warn-dim); }

/* FAQ */
.faq details {
  border-top: 1px solid var(--border);
  padding: 16px 0;
}
.faq summary { cursor: pointer; font-weight: 600; letter-spacing: -0.02em; }
.faq details p { margin: 10px 0 0; }

/* Forms */
.form { display: grid; gap: 12px; }
label { font-size: 13px; color: var(--text-muted); display: grid; gap: 6px; }
input, select, textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 12px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
.legal-note { font-size: 12px; color: var(--text-muted); }

/* Footer + sticky */
.footer { border-top: 1px solid var(--border); padding: 56px 0 120px; color: var(--text-muted); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 28px; }
.footer a:hover { color: var(--text); }
.footer h4 { color: var(--text); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 12px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }

.mobile-cta {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: var(--bg-nav); backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  gap: 8px;
}
.mobile-cta .btn { flex: 1; }

.article { max-width: 740px; }
.article p, .article li { color: var(--text-lead); }
.article ul, .article ol { padding-left: 1.2em; }
.crumbs { font-family: var(--mono); font-size: 12px; color: var(--text-muted); margin-bottom: 18px; }
.crumbs a:hover { color: var(--text); }
.updated { font-family: var(--mono); font-size: 12px; color: var(--text-muted); }

table.cmp { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.cmp th, .cmp td { border-bottom: 1px solid var(--border); padding: 12px 10px; text-align: left; vertical-align: top; }
.cmp th { color: var(--text-muted); font-weight: 500; }

.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.calc-out b { font-size: 2.2rem; letter-spacing: -0.05em; color: var(--warn); }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 16px 20px 20px;
  }
  .hero-grid, .grid-3, .grid-2, .grid-5, .loop, .steps, .split, .stats, .footer-grid, .calc {
    grid-template-columns: 1fr;
  }
  .loop article + article { border-left: 0; border-top: 1px solid var(--border); }
  .section { padding: 72px 0; }
  .mobile-cta { display: flex; }
  .nav-cta .btn-ghost { display: none; }
}

/* Text-me-back live demo widget */
@keyframes tbPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(var(--accent-rgb), 0); }
}
@keyframes tbBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.textback-band {
  background: radial-gradient(900px 260px at 50% 0%, rgba(var(--accent-rgb), 0.14), transparent 65%), var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}
.textback-card {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  background: var(--surface);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 32px;
}
.textback-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-dim);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 999px; padding: 7px 14px 7px 10px;
  margin-bottom: 18px;
}
.textback-dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
  animation: tbPulse 1.6s ease-out infinite;
}
.textback-card h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); margin-bottom: 12px; }
.textback-card .lead { max-width: 52ch; margin: 0 auto 26px; }
.textback-form { display: grid; gap: 14px; text-align: left; }
.textback-row {
  display: grid; grid-template-columns: 1fr; gap: 10px;
}
.textback-row input[type="tel"] {
  font-size: 18px; font-weight: 600; padding: 15px 16px; text-align: center;
  letter-spacing: 0.01em;
}
.textback-btn { width: 100%; padding: 15px 20px; font-size: 16px; }
.textback-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.textback-consent {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 12.5px; color: var(--text-muted); line-height: 1.45;
}
.textback-consent input { margin-top: 3px; flex: none; width: auto; }
.textback-consent a { color: var(--accent); }
.textback-status { margin-top: 22px; }
.textback-count {
  font-family: var(--mono);
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}
.textback-msg { font-size: 14.5px; color: var(--text); font-weight: 600; }
.textback-msg.is-muted { color: var(--text-muted); font-weight: 500; }
.textback-msg.is-error { color: var(--warn); font-weight: 600; }
@media (min-width: 560px) {
  .textback-row { grid-template-columns: 1fr auto; }
  .textback-btn { width: auto; white-space: nowrap; }
}
@media (prefers-reduced-motion: reduce) {
  .textback-dot { animation: none; }
}