:root {
  --bg: #1a2128;
  --bg-deep: #12181f;
  --surface: #202933;
  --surface-2: #26313c;
  --surface-3: #192028;
  --line: #34404c;
  --line-soft: rgba(119, 139, 159, 0.16);
  --fg: #f5f7f8;
  --fg-muted: #a8b3bf;
  --fg-dim: #6f7d8b;
  --accent: #22c55e;
  --accent-strong: #4ade80;
  --accent-ink: #07170d;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --gold: #f5b800;
  --gold-soft: rgba(245, 184, 0, 0.12);
  --danger: #f9736b;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 26px;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.32);
  --maxw: 1240px;
  --pad: clamp(20px, 4vw, 56px);
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -12%, rgba(34, 197, 94, 0.10), transparent 62%),
    radial-gradient(ellipse 60% 50% at 96% 24%, rgba(245, 184, 0, 0.07), transparent 60%),
    radial-gradient(ellipse 70% 70% at 4% 52%, rgba(77, 148, 255, 0.05), transparent 58%),
    var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(119, 139, 159, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(119, 139, 159, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
}

a { color: inherit; text-decoration: none; }
p { margin: 0; color: var(--fg-muted); }
ul { margin: 0; padding: 0; }
li { list-style: none; }
h1, h2, h3, h4 { margin: 0; color: var(--fg); line-height: 1.05; letter-spacing: -0.035em; }
h1 { font-size: clamp(44px, 6.2vw, 76px); font-weight: 560; max-width: 12.5ch; }
h2 { font-size: clamp(32px, 4.5vw, 56px); font-weight: 540; max-width: 16ch; }
h3 { font-size: clamp(19px, 1.8vw, 25px); font-weight: 540; line-height: 1.18; }
h4 { font-size: 17px; font-weight: 560; line-height: 1.2; }

.container { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.skip-link { position: fixed; left: 16px; top: 14px; z-index: 100; transform: translateY(-160%); background: var(--accent); color: var(--accent-ink); padding: 10px 14px; border-radius: 999px; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 99px; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.lead { max-width: 68ch; font-size: clamp(16px, 1.25vw, 19px); line-height: 1.6; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 650;
  font-size: 14px;
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid rgba(34, 197, 94, 0.38); outline-offset: 3px; }
.btn-small { min-height: 40px; padding: 9px 15px; font-size: 13px; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { border-color: var(--line); color: var(--fg); background: rgba(255, 255, 255, 0.02); }
.btn-ghost:hover { border-color: rgba(168, 179, 191, 0.45); background: rgba(255, 255, 255, 0.055); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(26, 33, 40, 0.76);
  backdrop-filter: blur(16px) saturate(140%);
}
.nav { height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  position: relative;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-weight: 800;
  box-shadow: 0 0 34px rgba(34, 197, 94, 0.18);
}
.brand-mark::before,
.brand-mark::after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 16px;
}
.brand-mark::before { content: "{"; left: 5px; }
.brand-mark::after { content: "}"; right: 5px; }
.brand-mark span { color: var(--fg); font-weight: 800; font-size: 16px; }
.brand-name { font-weight: 720; font-size: 17px; letter-spacing: -0.035em; }
.brand-muted { color: var(--fg-dim); font-weight: 450; }
.nav-links { display: flex; align-items: center; gap: clamp(16px, 2.5vw, 28px); }
.nav-links a { color: var(--fg-muted); font-size: 14px; transition: color 160ms ease; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--fg); }

.hero { position: relative; padding: clamp(28px, 4vw, 52px) 0 clamp(50px, 7vw, 86px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(430px, 1.05fr); gap: clamp(36px, 5vw, 70px); align-items: center; }
.hero-copy .eyebrow { margin-bottom: 20px; }
.hero-sub { margin-top: 24px; }
.hero-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta { margin-top: 28px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; color: var(--fg-dim); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em; }
.hero-meta .dot { width: 4px; height: 4px; border-radius: 99px; background: var(--line); }

.hero-visual { min-width: 0; }
.loop-panel {
  position: relative;
  aspect-ratio: 1 / 1;
  width: min(100%, 620px);
  max-width: 620px;
  margin-left: auto;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 50%, rgba(34, 197, 94, 0.07), transparent 34%),
    linear-gradient(rgba(119, 139, 159, 0.12) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(90deg, rgba(119, 139, 159, 0.12) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(180deg, #202933, #151b22);
  box-shadow: var(--shadow);
}
.loop-panel::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center, transparent 36%, rgba(18, 24, 31, 0.88) 95%); pointer-events: none; }
.loop-corner { position: absolute; z-index: 2; color: var(--fg-dim); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; }
.loop-corner.tl { top: 16px; left: 18px; }
.loop-corner.tr { top: 16px; right: 18px; }
.loop-corner.bl { bottom: 16px; left: 18px; }
.loop-corner.br { bottom: 16px; right: 18px; }
.loop-lines {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.spoke {
  opacity: 0;
  stroke: rgba(168, 179, 191, 0.42);
  stroke-width: 0.38;
  stroke-dasharray: 1.6 1.8;
  vector-effect: non-scaling-stroke;
}
.spoke-a, .clock-ray-a { animation-delay: 0s; }
.spoke-b, .clock-ray-b { animation-delay: 2s; }
.spoke-c, .clock-ray-c { animation-delay: 4s; }
.spoke-d, .clock-ray-d { animation-delay: 6s; }
.spoke-e, .clock-ray-e { animation-delay: 8s; }
.spoke-f, .clock-ray-f { animation-delay: 10s; }
.spoke { animation-name: pulseSpoke; animation-duration: 12s; animation-timing-function: linear; animation-iteration-count: infinite; }
.clock-ray {
  opacity: 0;
  stroke: rgba(34, 197, 94, 0.86);
  stroke-width: 0.7;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 5px rgba(34, 197, 94, 0.45));
  animation-name: pulseRay;
  animation-duration: 12s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
.orbit { position: absolute; inset: 17%; border: 1px solid rgba(168, 179, 191, 0.22); border-radius: 50%; z-index: 1; }
.orbit-one { animation: rotate 28s linear infinite; }
.orbit-two { inset: 29%; border-style: dashed; animation: rotate 22s linear reverse infinite; }
.node {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid rgba(168, 179, 191, 0.18);
  border-radius: 12px;
  background: rgba(26, 33, 40, 0.84);
  color: var(--fg);
  font-size: 12px;
  font-weight: 650;
  backdrop-filter: blur(10px);
}
.node span { color: var(--accent); font-family: var(--font-mono); font-size: 10px; }
.node-center { left: 50%; top: 50%; transform: translate(-50%, -50%); flex-direction: column; gap: 3px; min-width: 190px; min-height: 148px; justify-content: center; text-align: center; border-color: rgba(34, 197, 94, 0.42); background: rgba(32, 41, 51, 0.94); box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28), 0 0 0 7px rgba(34, 197, 94, 0.055); }
.node-logo { width: 38px; height: 38px; margin-bottom: 5px; border-radius: 10px; object-fit: contain; filter: drop-shadow(0 0 16px rgba(34, 197, 94, 0.24)); }
.node-center strong { font-size: 18px; }
.node-center small, .node-kicker { color: var(--fg-muted); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; }
.node-a { left: 9%; top: 18%; animation: strikeNode 12s linear infinite 0s; }
.node-b { right: 7%; top: 22%; animation: strikeNode 12s linear infinite 2s; }
.node-c { right: 5%; top: 49%; animation: strikeNode 12s linear infinite 4s; }
.node-d { right: 19%; bottom: 12%; border-color: rgba(245, 184, 0, 0.32); animation: strikeNodeGold 12s linear infinite 6s; }
.node-d span { color: var(--gold); }
.node-e { left: 12%; bottom: 18%; animation: strikeNode 12s linear infinite 8s; }
.node-f { left: 5%; top: 49%; animation: strikeNode 12s linear infinite 10s; }

.trust-strip { border-block: 1px solid var(--line-soft); background: rgba(18, 24, 31, 0.72); }
.trust-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 18px 30px; flex-wrap: wrap; color: var(--fg-dim); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.trust-row strong { color: var(--fg-muted); font-weight: 650; }

.section { position: relative; }
.section-pad { padding: clamp(70px, 9vw, 122px) 0; }
.final-section { padding: clamp(50px, 8vw, 100px) 0; }
.surface-section { background: linear-gradient(180deg, rgba(18, 24, 31, 0.32), rgba(32, 41, 51, 0.18)); border-block: 1px solid var(--line-soft); }
.section-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); }
.section-head { max-width: 860px; }
.section-head h2 { margin-top: 16px; }
.section-head .lead, .section-head p:not(.eyebrow) { margin-top: 20px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr); gap: clamp(34px, 6vw, 76px); align-items: start; }
.approach-copy { padding-top: 44px; }
.approach-copy p { font-size: 18px; line-height: 1.62; }
.check-list { margin-top: 26px; display: grid; gap: 13px; }
.check-list li { display: flex; gap: 12px; color: var(--fg); }
.check-list li::before { content: "✓"; flex: none; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font-family: var(--font-mono); font-size: 12px; }

.problem-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; background: var(--line-soft); }
.problem-card { min-height: 230px; padding: 28px; background: rgba(26, 33, 40, 0.95); display: flex; flex-direction: column; gap: 14px; transition: background 180ms ease, transform 180ms ease; }
.problem-card:hover { background: rgba(32, 41, 51, 0.98); }
.card-num, .card-tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; }
.card-num { color: var(--fg-dim); }
.card-tag { margin-top: auto; color: var(--danger); }
.problem-card h3 { font-size: 18px; line-height: 1.25; }
.problem-card p { font-size: 14px; line-height: 1.52; }

.systems-card, .workflow-card, .final-cta {
  margin-top: 56px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 70% 80% at 80% 0%, rgba(34, 197, 94, 0.08), transparent 62%),
    linear-gradient(180deg, rgba(38, 49, 60, 0.86), rgba(25, 32, 40, 0.92));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.systems-card { padding: clamp(26px, 4vw, 48px); }
.systems-intro { display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(280px, 0.58fr); gap: 28px; align-items: start; padding-bottom: 34px; border-bottom: 1px dashed var(--line); }
.systems-intro h3 { max-width: 22ch; }
.systems-grid { margin-top: 34px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.systems-grid article { padding: 18px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(18, 24, 31, 0.42); }
.systems-grid span, .idx, .offer-tag, .proof-tag, .process-step span { color: var(--fg-dim); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; }
.systems-grid h4 { margin-top: 14px; }
.systems-grid p { margin-top: 10px; font-size: 13.5px; line-height: 1.5; }

.workflow-card { padding: clamp(22px, 3vw, 38px); }
.workflow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.wf-step { min-height: 190px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(18, 24, 31, 0.56); display: flex; flex-direction: column; gap: 12px; transition: border-color 180ms ease, transform 180ms ease, background 180ms ease; }
.wf-step:hover { transform: translateY(-2px); border-color: rgba(34, 197, 94, 0.6); background: rgba(32, 41, 51, 0.78); }
.wf-step.gate:hover { border-color: rgba(245, 184, 0, 0.6); }
.wf-step h3 { font-size: 17px; }
.wf-step p { margin-top: auto; font-size: 13.5px; line-height: 1.48; }
.wf-step.gate .idx { color: var(--gold); }
.wf-step.evidence .idx { color: var(--accent); }

.offers { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.offer { position: relative; display: flex; flex-direction: column; min-height: 100%; padding: 28px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(32, 41, 51, 0.86); overflow: hidden; transition: transform 180ms ease, border-color 180ms ease; }
.offer:hover { transform: translateY(-2px); border-color: rgba(168, 179, 191, 0.34); }
.offer.featured { border-color: rgba(34, 197, 94, 0.36); background: linear-gradient(180deg, rgba(34, 197, 94, 0.08), rgba(32, 41, 51, 0.86) 35%); }
.offer-head { min-height: 28px; display: flex; align-items: start; justify-content: space-between; margin-bottom: 14px; }
.offer-tag.badge { display: inline-flex; padding: 5px 9px; border: 1px solid rgba(34, 197, 94, 0.34); border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.offer-blurb { margin-top: 13px; font-size: 14.5px; }
.offer-list { margin-top: 24px; padding-top: 22px; border-top: 1px dashed var(--line); display: grid; gap: 10px; }
.offer-list li { display: flex; gap: 10px; color: var(--fg); font-size: 14px; line-height: 1.38; }
.offer-list li::before { content: "▸"; color: var(--accent); flex: none; font-size: 11px; margin-top: 2px; }
.offer-foot { margin-top: auto; padding-top: 24px; display: flex; align-items: end; justify-content: space-between; gap: 16px; }
.offer-price { color: var(--fg); font-family: var(--font-mono); font-size: 13px; }
.offer-price small { display: block; margin-bottom: 3px; color: var(--fg-dim); font-size: 10px; letter-spacing: 0.07em; text-transform: uppercase; }
.offer-link { color: var(--accent); font-size: 13px; font-weight: 650; }
.offer-link:hover { color: var(--accent-strong); }

.compare { margin-top: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare-card { padding: clamp(24px, 3vw, 34px); border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(32, 41, 51, 0.72); }
.compare-card.us { border-color: rgba(34, 197, 94, 0.34); background: linear-gradient(180deg, rgba(34, 197, 94, 0.07), rgba(32, 41, 51, 0.72)); }
.compare-card h3 { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--fg-dim); }
.compare-card ul { margin-top: 22px; display: grid; gap: 13px; }
.compare-card li { display: flex; gap: 12px; color: var(--fg-muted); }
.compare-card li::before { content: "–"; color: var(--fg-dim); }
.compare-card.us li { color: var(--fg); }
.compare-card.us li::before { content: "✓"; color: var(--accent); font-family: var(--font-mono); }

.proof-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.proof-card { min-height: 260px; padding: 24px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(32, 41, 51, 0.72); display: flex; flex-direction: column; gap: 14px; }
.proof-card h3 { font-size: 19px; }
.proof-card p { margin-top: auto; font-size: 14.5px; }

.process-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; background: var(--line-soft); gap: 1px; }
.process-step { min-height: 230px; padding: 24px; background: rgba(32, 41, 51, 0.82); transition: background 180ms ease; }
.process-step:hover { background: rgba(38, 49, 60, 0.98); }
.process-step h3 { margin-top: 34px; font-size: 18px; }
.process-step p { margin-top: 12px; font-size: 13.5px; line-height: 1.5; }

.final-cta { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.6fr); gap: 34px; align-items: end; padding: clamp(38px, 6vw, 72px); }
.final-cta h2 { margin-top: 16px; max-width: 18ch; }
.final-cta p:not(.eyebrow) { margin-top: 20px; max-width: 66ch; }
.signature { color: var(--fg-dim); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; }
.final-actions { display: flex; flex-direction: column; align-items: stretch; gap: 12px; }

.site-footer { background: var(--bg-deep); border-top: 1px solid var(--line-soft); padding: 52px 0 36px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(150px, 0.5fr)); gap: 34px; }
.footer-brand p { margin-top: 16px; max-width: 40ch; font-size: 14px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h3 { margin-bottom: 4px; color: var(--fg-dim); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.footer-col a { color: var(--fg-muted); font-size: 14px; }
.footer-col a:hover { color: var(--fg); }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px dashed var(--line-soft); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--fg-dim); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; }

.fade-up { opacity: 0; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms ease; }
.fade-up.in { opacity: 1; transform: none; }

@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes pulseSpoke {
  0%, 16%, 100% { opacity: 0; stroke: rgba(168, 179, 191, 0.34); stroke-width: 0.35; }
  4%, 11% { opacity: 1; stroke: rgba(168, 179, 191, 0.46); stroke-width: 0.42; }
}
@keyframes pulseRay {
  0%, 16%, 100% { opacity: 0; }
  4%, 11% { opacity: 1; }
}
@keyframes strikeNode {
  0%, 16%, 100% {
    border-color: rgba(168, 179, 191, 0.18);
    box-shadow: none;
    background: rgba(26, 33, 40, 0.84);
  }
  4%, 11% {
    border-color: rgba(34, 197, 94, 0.78);
    box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.18), 0 0 26px rgba(34, 197, 94, 0.20);
    background: rgba(29, 48, 39, 0.92);
  }
}
@keyframes strikeNodeGold {
  0%, 16%, 100% {
    border-color: rgba(245, 184, 0, 0.32);
    box-shadow: none;
    background: rgba(26, 33, 40, 0.84);
  }
  4%, 11% {
    border-color: rgba(245, 184, 0, 0.86);
    box-shadow: 0 0 0 1px rgba(245, 184, 0, 0.16), 0 0 26px rgba(245, 184, 0, 0.18);
    background: rgba(48, 42, 26, 0.92);
  }
}

@media (max-width: 1120px) {
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .systems-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .two-col, .systems-intro, .final-cta { grid-template-columns: 1fr; }
  h1 { max-width: 12.5ch; }
  .loop-panel { margin: 0 auto; max-width: 520px; }
  .approach-copy { padding-top: 0; }
  .offers, .proof-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  :root { --pad: 18px; }
  .site-header .btn { display: none; }
  .nav { height: 64px; }
  .hero { padding-top: 28px; }
  h1 { font-size: clamp(38px, 11vw, 54px); }
  h2 { font-size: clamp(30px, 10vw, 44px); }
  .loop-panel { aspect-ratio: 1 / 1.06; border-radius: 22px; }
  .loop-corner { font-size: 8.5px; }
  .loop-corner.tl { top: 12px; left: 14px; }
  .loop-corner.tr { top: 12px; right: 14px; }
  .loop-corner.bl { bottom: 12px; left: 14px; }
  .loop-corner.br { bottom: 12px; right: 14px; }
  .orbit { inset: 18%; }
  .orbit-two { inset: 31%; }
  .node { min-height: 34px; gap: 5px; font-size: 10px; padding: 7px 8px; border-radius: 10px; white-space: nowrap; }
  .node span { font-size: 9px; }
  .node-center { min-width: 152px; min-height: 116px; gap: 2px; }
  .node-logo { width: 28px; height: 28px; margin-bottom: 3px; }
  .node-center strong { font-size: 14px; }
  .node-center small, .node-kicker { font-size: 8.5px; }
  .node-a { left: 5%; top: 17%; }
  .node-b { right: 4%; top: 19%; }
  .node-c { right: 3.5%; top: 48%; }
  .node-d { right: 7%; bottom: 14%; }
  .node-e { left: 7%; bottom: 17%; }
  .node-f { left: 4%; top: 49%; }
  .trust-row { align-items: flex-start; flex-direction: column; padding-top: 22px; padding-bottom: 22px; }
  .problem-grid, .systems-grid, .workflow, .compare, .process-grid, .footer-grid { grid-template-columns: 1fr; }
  .problem-card, .process-step { min-height: auto; }
  .section-pad { padding: 64px 0; }
  .hero-actions, .final-actions { align-items: stretch; }
  .btn { width: 100%; }
  .offer-foot { align-items: start; flex-direction: column; }
}

@media (max-width: 430px) {
  .hero-grid { gap: 24px; }
  .loop-panel { width: calc(100vw - 28px); margin-left: 50%; transform: translateX(-50%); }
  .node { font-size: 9px; padding: 6px 7px; }
  .node-center { min-width: 128px; min-height: 104px; }
  .node-logo { width: 24px; height: 24px; }
  .node-center strong { font-size: 12.5px; }
  .node-center small, .node-kicker { font-size: 7.5px; letter-spacing: 0.045em; }
  .node-a { left: 5%; top: 18%; }
  .node-b { right: 4%; top: 20%; }
  .node-c { right: 0.5%; top: 48%; }
  .node-d { right: 8%; bottom: 15%; }
  .node-e { left: 8%; bottom: 17%; }
  .node-f { left: 0.5%; top: 49%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.001ms !important; }
  .fade-up { opacity: 1; transform: none; }
}

::selection { background: rgba(34, 197, 94, 0.38); color: var(--fg); }