/* ============================================================
   ClientGen.ai — "Signal" design system
   Brand motif: the dot cluster from the logo → radiating
   signals. Dots, pulses, radar rings, dotted data-stream
   connectors, mono telemetry labels.
   ============================================================ */

:root {
  --green: #61bd6b;
  --green-bright: #7ee489;
  --green-deep: #2e7d3f;          /* AA-safe accent for text on light */
  --green-glow: rgba(97, 189, 107, 0.35);
  --navy: #11283f;
  --ink: #0e2236;
  --muted: #4c5a68;
  --bg: #ffffff;
  --bg-soft: #f4f7f5;
  --bg-dark: #0a1826;
  --bg-darker: #050d17;
  --surface-dark: rgba(255, 255, 255, 0.04);
  --border: #e3e9ec;
  --border-dark: rgba(255, 255, 255, 0.09);
  --text-on-dark: #eef3f6;
  --muted-on-dark: #92a6b5;
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1160px;
  --font-display: "Sora", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--green-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); }
::selection { background: var(--green); color: #04140a; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 4px; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ============ Signal motif primitives ============ */

/* dot-cluster (echoes the logo mark) */
.sig-cluster { display: inline-flex; align-items: center; gap: 5px; }
.sig-cluster i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.sig-cluster i:nth-child(2) { opacity: .55; width: 5px; height: 5px; }
.sig-cluster i:nth-child(3) { opacity: .3; width: 4px; height: 4px; }

/* live pulsing dot */
.live-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green-bright); flex: none;
  animation: pulse 2.6s cubic-bezier(.4,0,.6,1) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(126,228,137,.45); }
  70%  { box-shadow: 0 0 0 12px rgba(126,228,137,0); }
  100% { box-shadow: 0 0 0 0 rgba(126,228,137,0); }
}

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5, 13, 23, 0.8);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border-dark);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo img { height: 32px; filter: brightness(0) invert(1); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  position: relative;
  color: var(--muted-on-dark); font-weight: 500; font-size: 14px; letter-spacing: .01em;
  transition: color .15s ease; padding: 4px 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 2px;
  background: var(--green); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.nav-links a:hover { color: #fff; text-decoration: none; }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; color: #fff; cursor: pointer; }

/* ============ Buttons ============ */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 14.5px; font-family: var(--font-body);
  cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #04140a; font-weight: 700; }
.btn-primary:hover { background: var(--green-bright); box-shadow: 0 0 28px var(--green-glow); }
.btn-outline { border-color: rgba(255,255,255,.25); color: #fff; background: transparent; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.06); color: #fff; }
.btn-light { background: #fff; color: var(--ink); font-weight: 700; }
.btn-light:hover { box-shadow: 0 0 28px rgba(255,255,255,.25); }
.btn-lg { padding: 15px 32px; font-size: 15.5px; }

section:not(.band):not(.hero) .btn-outline { border-color: #c2ccd4; color: var(--ink); }
section:not(.band):not(.hero) .btn-outline:hover { border-color: var(--ink); background: var(--ink); color: #fff; }

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 100px 0 0;
  background: var(--bg-darker);
  color: var(--text-on-dark);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; top: -240px; left: 55%; transform: translateX(-50%);
  width: 1000px; height: 560px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(97,189,107,.2), transparent);
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid; grid-template-columns: 1.02fr .98fr; gap: 72px; align-items: center;
  padding-bottom: 88px;
}
.hero h1 {
  font-size: clamp(40px, 5.2vw, 62px); line-height: 1.04; color: #fff;
  letter-spacing: -0.038em; font-weight: 700;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--green-bright), var(--green));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.lede { margin: 26px 0 36px; font-size: 18px; color: var(--muted-on-dark); max-width: 540px; }
.hero p.lede strong { color: var(--text-on-dark); }
.hero .section-sub { color: var(--muted-on-dark); }
.hero .section-sub a, .hero .section-sub strong { color: var(--green-bright); }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 22px; font-size: 12px; color: var(--muted-on-dark); font-family: var(--font-mono); letter-spacing: .06em; }

/* --- hero media: radar + console + floating signal badges --- */
.hero-media { position: relative; }
.signal-map {
  position: absolute; top: -70px; right: -90px; width: 460px; height: 460px;
  border-radius: 50%; pointer-events: none;
  background:
    radial-gradient(circle, rgba(126,228,137,.07), transparent 62%),
    repeating-radial-gradient(circle, rgba(126,228,137,.16) 0 1px, transparent 1px 56px);
  mask-image: radial-gradient(circle, #000 35%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle, #000 35%, transparent 72%);
}
.ping {
  position: absolute; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green-bright); pointer-events: none;
  animation: pulse 3.2s cubic-bezier(.4,0,.6,1) infinite;
}
.ping.p1 { top: 8%;  right: 12%; }
.ping.p2 { top: 30%; right: -4%; animation-delay: .7s; }
.ping.p3 { top: -6%; right: 38%; animation-delay: 1.3s; }
.ping.p4 { top: 46%; right: 30%; animation-delay: 2s; opacity: .7; }

.console {
  position: relative; z-index: 1;
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--border-dark);
  background: #0d1f31;
  box-shadow: 0 34px 90px rgba(0,0,0,.55), 0 0 70px rgba(97,189,107,.1);
}
.console-bar {
  display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px;
  background: #0a1a2b; border-bottom: 1px solid var(--border-dark);
}
.cdot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.cdot.r { background: #ff5f57; } .cdot.y { background: #febc2e; } .cdot.g { background: #28c840; }
.console-title {
  margin-left: 10px; font-family: var(--font-mono); font-size: 11px;
  color: var(--muted-on-dark); letter-spacing: .05em;
}
.video-frame { position: relative; padding-bottom: 56.25%; height: 0; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.float-badge {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 9px;
  background: rgba(10, 26, 43, .92); border: 1px solid rgba(126,228,137,.35);
  border-radius: 10px; padding: 9px 14px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .02em; color: #d7e5dc;
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
  backdrop-filter: blur(6px);
}
.float-badge.fb1 { top: -18px; left: -34px; }
.float-badge.fb2 { bottom: -16px; right: -22px; }

/* --- event ticker --- */
.ticker {
  position: relative; z-index: 1;
  display: flex; align-items: stretch;
  border-top: 1px solid var(--border-dark);
  background: rgba(255,255,255,.015);
}
.ticker-tag {
  display: flex; align-items: center; gap: 8px; flex: none;
  padding: 14px 20px; border-right: 1px solid var(--border-dark);
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--green-bright);
}
.ticker-viewport { overflow: hidden; flex: 1; display: flex; align-items: center; }
.ticker-track {
  display: flex; gap: 56px; width: max-content; padding-left: 32px;
  animation: ticker 46s linear infinite;
}
.tick {
  display: inline-flex; align-items: center; gap: 9px; white-space: nowrap;
  font-family: var(--font-mono); font-size: 12px; color: var(--muted-on-dark); letter-spacing: .02em;
}
.tick i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex: none; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ============ Stats band — oversized editorial numerals ============ */
.stats-band { background: var(--bg-dark); padding: 0; border-top: 1px solid var(--border-dark); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 44px 32px 40px; border-right: 1px solid var(--border-dark); }
.stat:last-child { border-right: 0; }
.stat .stat-num {
  font-family: var(--font-display); font-size: clamp(38px, 4.4vw, 58px); font-weight: 800;
  color: #fff; letter-spacing: -0.04em; line-height: 1;
}
.stat .stat-num em { font-style: normal; color: var(--green-bright); }
.stat .stat-label {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted-on-dark); margin-top: 14px; white-space: nowrap;
}
.stat .stat-label::before { content: ""; width: 18px; height: 1px; background: var(--green); flex: none; }

/* ============ Sections ============ */
section { padding: 100px 0; }
section.alt { background: var(--bg-soft); }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--green-deep); margin-bottom: 18px;
}
.kicker::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex: none;
  box-shadow: 14px 0 0 -2.5px var(--green), 25px 0 0 -3px rgba(97,189,107,.45);
  margin-right: 20px;
}
.band .kicker, .hero .kicker { color: var(--green-bright); }
h2.section-title {
  font-size: clamp(30px, 3.6vw, 44px); color: var(--ink);
  letter-spacing: -0.03em; line-height: 1.08; font-weight: 700;
}
p.section-sub { margin-top: 18px; font-size: 17px; color: var(--muted); max-width: 660px; }
.center { text-align: center; }
.center .kicker { justify-content: center; }
.center p.section-sub { margin-left: auto; margin-right: auto; }

/* ============ Bento (360° solution) ============ */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; margin-top: 56px; text-align: left; }
.bento .card:nth-child(1) { grid-column: span 7; }
.bento .card:nth-child(2) { grid-column: span 5; }
.bento .card:nth-child(3) { grid-column: span 5; }
.bento .card:nth-child(4) { grid-column: span 7; }

.card {
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 32px; text-align: left;
  transition: transform .2s ease, border-color .2s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 0 18px 44px rgba(17, 40, 63, .10);
}
.card .ghost {
  position: absolute; top: -26px; right: 10px; z-index: 0; pointer-events: none;
  font-family: var(--font-display); font-weight: 800; font-size: 130px; line-height: 1;
  color: rgba(17, 40, 63, .045); letter-spacing: -0.05em;
  transition: color .25s ease;
}
.card:hover .ghost { color: rgba(97, 189, 107, .12); }
.card > *:not(.ghost) { position: relative; z-index: 1; }
.card .stage-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--green-deep); margin-bottom: 16px;
}
.card .stage-tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.card h3 { font-size: 20px; color: var(--ink); margin-bottom: 10px; letter-spacing: -0.015em; }
.card p { font-size: 14.5px; color: var(--muted); }
.card .card-link { display: inline-block; margin-top: 18px; font-weight: 600; font-size: 13px; font-family: var(--font-mono); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 56px; }

/* ============ Feature rows (platform page) ============ */
.feature-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center;
  padding: 32px 0; position: relative;
}
.feature-row.reverse .feature-media { order: 2; }
.feature-copy { position: relative; }
.ghost-num {
  position: absolute; top: -74px; left: -14px; z-index: 0; pointer-events: none;
  font-family: var(--font-display); font-weight: 800; font-size: 150px; line-height: 1;
  letter-spacing: -0.05em; color: transparent;
  -webkit-text-stroke: 1px rgba(17, 40, 63, .13);
}
section.alt .ghost-num { -webkit-text-stroke: 1px rgba(17, 40, 63, .16); }
.feature-copy > *:not(.ghost-num) { position: relative; z-index: 1; }
.feature-copy h3 { font-size: 29px; color: var(--ink); margin-bottom: 14px; letter-spacing: -0.025em; line-height: 1.15; }
.feature-copy p { color: var(--muted); font-size: 16px; }
.feature-copy ul { margin: 20px 0 0 0; list-style: none; }
.feature-copy li {
  padding-left: 26px; position: relative; margin-bottom: 11px; font-size: 15px; color: var(--ink);
}
.feature-copy li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 50%;
  background: transparent; border: 2px solid var(--green);
}
.watch-link { font-family: var(--font-mono); font-size: 13.5px; font-weight: 600; }

/* product shots live in console frames on light bg */
.feature-media { position: relative; }
.feature-media .console {
  background: #fff; border-color: var(--border);
  box-shadow: 0 28px 70px rgba(17, 40, 63, .16);
}
.feature-media .console-bar { background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.feature-media .console-title { color: var(--muted); }
.feature-media .float-badge {
  background: #fff; border-color: var(--border); color: var(--ink);
  box-shadow: 0 14px 36px rgba(17, 40, 63, .14);
}
.feature-media .float-badge.fb2 { bottom: -18px; right: -14px; }

/* ============ Signal index (11 events, numbered) ============ */
.sigindex {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; margin-top: 26px;
}
.sitem {
  display: flex; align-items: baseline; gap: 13px;
  padding: 10px 2px; border-bottom: 1px solid var(--border);
  font-size: 14.5px; font-weight: 500; color: var(--ink);
}
.sitem .si-num {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; color: var(--green-deep);
  flex: none; width: 20px;
}

/* ============ Dark band (custom intelligence) ============ */
.band {
  position: relative; background: var(--bg-darker); color: #fff; padding: 104px 0; overflow: hidden;
}
.band::before {
  content: ""; position: absolute; top: -200px; right: -160px;
  width: 700px; height: 700px; border-radius: 50%;
  background:
    radial-gradient(closest-side, rgba(97,189,107,.14), transparent),
    repeating-radial-gradient(circle, rgba(126,228,137,.07) 0 1px, transparent 1px 60px);
  mask-image: radial-gradient(circle, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle, #000 30%, transparent 70%);
  pointer-events: none;
}
.band > .container { position: relative; z-index: 1; }
.band-grid { display: grid; grid-template-columns: 5fr 6fr; gap: 72px; align-items: center; }
.band h2 { font-size: clamp(30px, 3.6vw, 42px); letter-spacing: -0.03em; font-weight: 700; line-height: 1.08; }
.band .band-grid > div > p { color: var(--muted-on-dark); margin-top: 18px; font-size: 17px; max-width: 520px; }
.band-cards {
  display: grid; gap: 20px;
  position: relative; padding-left: 34px;
  border-left: 1px dashed rgba(126, 228, 137, .35);
}
.band-cards::before {
  content: ""; position: absolute; left: -5px; top: 0;
  width: 9px; height: 9px; border-radius: 50%; background: var(--green-bright);
}
.band .card { background: var(--surface-dark); border-color: var(--border-dark); box-shadow: none; }
.band .card:hover { border-color: rgba(97,189,107,.55); box-shadow: 0 0 40px rgba(97,189,107,.08); transform: translateY(-4px); }
.band .card h3 { color: #fff; }
.band .card p { color: var(--muted-on-dark); font-size: 14.5px; margin-top: 0; }
.band .card .ghost { color: rgba(255, 255, 255, .04); }
.band .card:hover .ghost { color: rgba(126, 228, 137, .09); }

/* ============ Video teaser (filmstrip) ============ */
.filmstrip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; position: relative; }
.filmstrip .card { padding-top: 30px; }
.play-glyph {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%; margin-bottom: 18px;
  border: 1px solid var(--green); color: var(--green-deep); background: #fff;
  font-size: 13px;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease;
}
.card:hover .play-glyph { background: var(--green); color: #04140a; box-shadow: 0 0 24px var(--green-glow); }

/* ============ Video hub ============ */
.video-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .25s ease;
}
.video-card:hover { transform: translateY(-4px); border-color: var(--green); box-shadow: 0 18px 44px rgba(17,40,63,.10); }
.video-card .video-frame { padding-bottom: 62.5%; background: var(--bg-dark); }
.video-card .video-body { padding: 26px 28px 30px; }
.video-card .step-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--green-deep); margin-bottom: 12px;
}
.video-card .step-tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.video-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; letter-spacing: -0.01em; }
.video-card p { font-size: 14px; color: var(--muted); }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 56px; }

/* ============ Steps — signal timeline ============ */
.steps { counter-reset: step; margin-top: 48px; max-width: 840px; position: relative; }
.steps::before {
  content: ""; position: absolute; left: 23px; top: 28px; bottom: 28px; width: 1px;
  background: linear-gradient(to bottom, var(--green) 0%, var(--border) 90%);
}
.step { display: grid; grid-template-columns: 48px 1fr; gap: 26px; padding: 24px 0; position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--green); color: var(--green-deep); background: #fff;
  font-family: var(--font-mono); font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
  box-shadow: 0 0 0 6px var(--bg);
}
section.alt .step::before { box-shadow: 0 0 0 6px var(--bg-soft); }
.step h4 { font-size: 17.5px; color: var(--ink); margin-bottom: 5px; letter-spacing: -0.01em; }
.step p { font-size: 15px; color: var(--muted); }

/* ============ Editorial columns (trust / tips) ============ */
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; margin-top: 56px; text-align: left; }
.col { border-top: 2px solid var(--ink); padding-top: 24px; position: relative; }
.col::before {
  content: ""; position: absolute; top: -2px; left: 0; width: 44px; height: 2px; background: var(--green);
}
.col .col-idx {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .14em;
  color: var(--green-deep); text-transform: uppercase;
}
.col h3 { font-size: 19px; color: var(--ink); margin: 10px 0 8px; letter-spacing: -0.01em; }
.col p { font-size: 14.5px; color: var(--muted); }

/* ============ FAQ ============ */
.faq { max-width: 780px; margin: 48px auto 0; }
.faq details {
  border: 1px solid var(--border); border-radius: 12px; background: #fff;
  padding: 0; margin-bottom: 10px; overflow: hidden;
  transition: border-color .15s ease;
}
.faq details:hover, .faq details[open] { border-color: var(--green); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-weight: 600; color: var(--ink); cursor: pointer; font-size: 15.5px;
  font-family: var(--font-display); padding: 19px 24px; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex: none;
  font-family: var(--font-mono); font-size: 18px; font-weight: 400; color: var(--green-deep);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 24px 20px; color: var(--muted); font-size: 15px; }

/* ============ CTA banner — signal burst ============ */
.cta-banner {
  position: relative; overflow: hidden;
  background: var(--bg-darker);
  border: 1px solid var(--border-dark);
  border-radius: 24px; padding: 72px 56px; text-align: center; color: #fff;
}
.cta-banner::before {
  content: ""; position: absolute; bottom: -280px; left: 50%; transform: translateX(-50%);
  width: 820px; height: 500px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(97,189,107,.26), transparent);
  pointer-events: none;
}
.cta-banner::after {
  content: ""; position: absolute; left: 50%; bottom: -420px; transform: translateX(-50%);
  width: 900px; height: 900px; border-radius: 50%; pointer-events: none;
  background: repeating-radial-gradient(circle, rgba(126,228,137,.12) 0 1px, transparent 1px 62px);
  mask-image: radial-gradient(circle, #000 30%, transparent 68%);
  -webkit-mask-image: radial-gradient(circle, #000 30%, transparent 68%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { font-size: clamp(28px, 3.2vw, 38px); margin-bottom: 14px; letter-spacing: -0.03em; }
.cta-banner p { font-size: 16.5px; color: var(--muted-on-dark); margin-bottom: 32px; }
.cta-banner .btn-light { background: var(--green); color: #04140a; }
.cta-banner .btn-light:hover { background: var(--green-bright); box-shadow: 0 0 28px var(--green-glow); }

/* ============ Sub-page hero (rings backdrop) ============ */
.hero-sub { padding: 96px 0 72px; }
.hero-sub .rings {
  content: ""; position: absolute; top: -300px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 900px; border-radius: 50%; pointer-events: none;
  background: repeating-radial-gradient(circle, rgba(126,228,137,.09) 0 1px, transparent 1px 58px);
  mask-image: radial-gradient(circle, #000 30%, transparent 66%);
  -webkit-mask-image: radial-gradient(circle, #000 30%, transparent 66%);
}

/* ============ Footer ============ */
.site-footer { background: var(--bg-darker); color: var(--muted-on-dark); padding: 68px 0 36px; font-size: 14px; border-top: 1px solid var(--border-dark); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid h4 {
  color: #fff; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: .16em; margin-bottom: 16px; font-weight: 600;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--muted-on-dark); transition: color .15s ease; }
.footer-grid a:hover { color: #fff; text-decoration: none; }
.footer-logo img { height: 30px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-bottom {
  border-top: 1px solid var(--border-dark); margin-top: 48px; padding-top: 26px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px;
}
.footer-bottom a { color: var(--muted-on-dark); }
.footer-bottom a:hover { color: #fff; }

/* ============ Scroll reveal ============ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .video-card { transition: none; }
  .ticker-track { animation: none; }
  .live-dot, .ping { animation: none; }
}

/* ============ Responsive ============ */
@media (max-width: 960px) {
  .hero-grid, .feature-row, .band-grid { grid-template-columns: 1fr; gap: 44px; }
  .feature-row.reverse .feature-media { order: 0; }
  .bento .card { grid-column: span 12 !important; }
  .grid-3, .filmstrip, .cols { grid-template-columns: 1fr; gap: 24px; }
  .grid-2, .video-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--border-dark); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links, .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg-darker); padding: 22px 28px; border-bottom: 1px solid var(--border-dark); gap: 16px;
  }
  .signal-map { right: -140px; opacity: .6; }
  .float-badge.fb1 { left: -8px; }
  .float-badge.fb2 { right: -6px; }
  .ghost-num { font-size: 110px; top: -56px; }
  .sigindex { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero { padding-top: 64px; }
  .hero-grid { padding-bottom: 56px; }
  section { padding: 68px 0; }
  .band { padding: 72px 0; }
  .cta-banner { padding: 48px 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 30px 22px 28px; }
  .ticker-tag { display: none; }
  .float-badge { font-size: 10.5px; padding: 7px 11px; }
  .card .ghost { font-size: 96px; }
}