:root {
  color-scheme: light;
  --ink: #14201d;
  --muted: #5d6b67;
  --line: #d9e2df;
  --paper: #ffffff;
  --wash: #f4f8f7;
  --soft: #eaf2f0;
  --teal: #0b7d77;
  --blue: #2457a6;
  --green: #1f8a55;
  --amber: #c98719;
  --charcoal: #1b2422;
  --shadow: 0 18px 42px rgba(20, 32, 29, 0.11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--wash);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: relative;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 0;
}
.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--teal), var(--green));
  font-weight: 900;
}
.brand strong { display: block; font-size: 19px; line-height: 1; }
.brand > span:not(.brand-mark) > span { color: var(--muted); font-size: 12px; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}
.nav-links a.button { color: white; }
.button,
button.button {
  border: 1px solid var(--charcoal);
  border-radius: 8px;
  background: var(--charcoal);
  color: white;
  min-height: 44px;
  padding: 11px 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  cursor: pointer;
}
.button.secondary {
  background: white;
  color: var(--charcoal);
  border-color: var(--line);
}
.button.accent {
  background: var(--teal);
  border-color: var(--teal);
}
.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 32px;
  padding: 34px 0 28px;
}
.hero-copy { padding: 18px 0; }
.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.02;
  letter-spacing: 0;
  text-wrap: balance;
}
h2 {
  margin: 0;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
}
h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.2; }
p { color: var(--muted); }
.lead {
  margin: 18px 0 0;
  max-width: 720px;
  color: #46544f;
  font-size: 18px;
}
.hero-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}
.hero-proof article,
.panel,
.card,
.metric,
.module,
.app-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(20, 32, 29, 0.04);
}
.hero-proof article { padding: 14px; }
.hero-proof strong { display: block; color: var(--ink); }
.hero-proof span { color: var(--muted); font-size: 13px; }
.hero-media { position: relative; align-self: stretch; min-height: 520px; }
.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.hero-overlay {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.hero-overlay article {
  min-height: 92px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 8px;
  background: rgba(14, 28, 25, 0.84);
  color: white;
}
.hero-overlay strong { display: block; font-size: 18px; }
.hero-overlay span { color: rgba(255,255,255,0.78); font-size: 12px; }
section { padding: 48px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 18px;
}
.section-head p { max-width: 560px; margin: 0; }
.grid-2, .grid-3, .grid-4, .metrics, .app-grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4, .metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .panel, .module, .app-card { padding: 20px; }
.card p, .panel p, .module p, .app-card p { margin-bottom: 0; }
.metric { padding: 18px; }
.metric strong { display: block; font-size: 30px; line-height: 1.05; }
.metric span { color: var(--muted); font-size: 13px; }
.band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-left: 6px solid var(--amber);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #edf4f2);
}
.band p { margin: 6px 0 0; max-width: 760px; }
.feature-list { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }
.feature-list li { margin: 7px 0; }
.split {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 18px;
  align-items: start;
}
.steps { counter-reset: step; display: grid; gap: 12px; }
.steps article {
  counter-increment: step;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}
.steps article::before {
  content: counter(step);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--soft);
  color: var(--teal);
  font-weight: 900;
}
.app-grid { grid-template-columns: 0.92fr 1.08fr; align-items: start; }
.controls { display: grid; gap: 14px; }
.field { display: grid; gap: 7px; }
.field label { color: var(--ink); font-size: 13px; font-weight: 800; }
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 11px 12px;
  color: var(--ink);
}
.field input[type="range"] { padding: 0; accent-color: var(--teal); }
.range-row { display: grid; grid-template-columns: 1fr 58px; gap: 10px; align-items: center; }
.range-value {
  min-height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--wash);
  font-weight: 900;
}
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.result {
  padding: 14px;
  border-radius: 8px;
  background: var(--wash);
  border: 1px solid var(--line);
}
.result span { display: block; color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.result strong { display: block; font-size: 23px; margin-top: 3px; }
.component-library {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.component {
  display: flex;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}
.component input { margin-top: 4px; accent-color: var(--teal); }
.component strong { display: block; font-size: 14px; }
.component span { display: block; color: var(--muted); font-size: 12px; }
.spec-output {
  min-height: 168px;
  white-space: pre-wrap;
  background: #15211f;
  color: #dff4ee;
  border-radius: 8px;
  padding: 16px;
  overflow: auto;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
}
.status-note { color: var(--muted); font-size: 13px; margin: 10px 0 0; }
.simulator { padding-top: 22px; }
.sim-toolbar {
  display: grid;
  grid-template-columns: 1.4fr 1.2fr 1.2fr repeat(3, minmax(90px, 0.8fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
}
.sim-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 14px;
  align-items: stretch;
}
.palette-panel h2,
.designer-panel h2 { margin-bottom: 8px; }
.palette-list { display: grid; gap: 10px; margin-top: 14px; }
.palette-item {
  width: 100%;
  text-align: left;
  display: grid;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #f3faf8);
  color: var(--ink);
  padding: 12px;
  cursor: grab;
}
.palette-item:active { cursor: grabbing; }
.palette-item strong { font-size: 14px; }
.palette-item span { color: var(--muted); font-size: 12px; }
.compact-head { margin-bottom: 12px; }
.sim-state {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--teal);
  font-weight: 900;
  font-size: 13px;
}
.designer-board {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid #c9d8d4;
  background:
    linear-gradient(90deg, rgba(11, 125, 119, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(11, 125, 119, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 72% 18%, rgba(36, 87, 166, 0.16), transparent 32%),
    #eef5f3;
  background-size: 34px 34px, 34px 34px, auto, auto;
}
.cell-rack {
  position: absolute;
  left: 26px;
  top: 42px;
  width: min(54%, 520px);
  display: grid;
  grid-template-columns: repeat(8, minmax(20px, 1fr));
  gap: 7px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(20, 32, 29, 0.88);
  box-shadow: var(--shadow);
}
.cell {
  aspect-ratio: 0.56;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.22);
  background: linear-gradient(180deg, #47a8ff, #123d6a 55%, #0d2238);
  box-shadow: inset 0 10px 10px rgba(255,255,255,0.13), 0 0 10px rgba(39, 151, 230, 0.22);
}
.board-traces {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(24deg, transparent 38%, rgba(11,125,119,0.38) 39%, rgba(11,125,119,0.38) 40%, transparent 41%),
    linear-gradient(154deg, transparent 45%, rgba(201,135,25,0.35) 46%, rgba(201,135,25,0.35) 47%, transparent 48%);
  pointer-events: none;
}
.drop-zone {
  position: absolute;
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 116px;
  border: 2px dashed rgba(11, 125, 119, 0.36);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  padding: 14px;
  box-shadow: 0 10px 24px rgba(20, 32, 29, 0.07);
}
.drop-zone.is-hot { border-color: var(--amber); background: #fff9eb; }
.drop-zone strong { font-size: 15px; }
.drop-zone span { color: var(--muted); font-size: 12px; }
.zone-pack { left: 38px; bottom: 34px; width: 34%; }
.zone-sense { right: 30px; top: 42px; width: 34%; }
.zone-switch { right: 30px; top: 232px; width: 34%; }
.zone-telemetry { right: 30px; bottom: 34px; width: 34%; }
.placed-chip {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  border-radius: 8px;
  background: var(--charcoal);
  color: white;
  padding: 6px 9px;
  font-size: 12px;
  font-weight: 800;
}
.placed-chip button {
  border: 0;
  background: rgba(255,255,255,0.18);
  color: white;
  border-radius: 6px;
  min-width: 22px;
  height: 22px;
  cursor: pointer;
}
.analysis-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 14px;
  margin-top: 14px;
}
.score-card {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 14px;
  align-items: center;
}
.score-ring {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--teal) 0deg, var(--soft) 0deg);
  color: var(--ink);
  font-weight: 950;
  border: 1px solid var(--line);
}
.analysis-bars { display: grid; gap: 8px; margin: 14px 0; }
.analysis-bars div { display: grid; grid-template-columns: 92px 1fr; gap: 10px; align-items: center; }
.analysis-bars span { color: var(--muted); font-size: 13px; font-weight: 800; }
.analysis-bars meter { width: 100%; height: 18px; }
.analysis-list {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
}
.analysis-list li { margin: 6px 0; }
.lead-form-wrap [data-saas-lead-form] { min-height: 320px; }
.contact-form { display: grid; gap: 12px; }
.footer {
  padding: 28px 0 44px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: white;
}
.footer-inner { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }

@media (max-width: 980px) {
  .hero,
  .split,
  .app-grid,
  .sim-layout,
  .analysis-grid,
  .grid-2 { grid-template-columns: 1fr; }
  .sim-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { min-height: auto; }
  .hero-media,
  .hero-media img { min-height: 360px; }
  .grid-3,
  .grid-4,
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-overlay { grid-template-columns: 1fr; }
  .section-head { align-items: start; flex-direction: column; }
}

@media (max-width: 720px) {
  .shell { width: min(100% - 22px, 1180px); }
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { gap: 12px; }
  .hero-proof,
  .grid-3,
  .grid-4,
  .metrics,
  .result-grid,
  .component-library { grid-template-columns: 1fr; }
  .band { grid-template-columns: 1fr; }
  .sim-toolbar { grid-template-columns: 1fr; }
  .designer-board { min-height: 720px; }
  .cell-rack {
    left: 14px;
    top: 22px;
    width: calc(100% - 28px);
    grid-template-columns: repeat(8, minmax(16px, 1fr));
  }
  .zone-pack,
  .zone-sense,
  .zone-switch,
  .zone-telemetry {
    left: 14px;
    right: auto;
    width: calc(100% - 28px);
  }
  .zone-pack { top: 278px; bottom: auto; }
  .zone-sense { top: 400px; }
  .zone-switch { top: 520px; }
  .zone-telemetry { top: 640px; bottom: auto; }
  .designer-panel { order: -1; }
  .palette-panel { order: 0; }
  .score-card { grid-template-columns: 1fr; }
  h1 { font-size: clamp(36px, 12vw, 52px); }
  .lead { font-size: 17px; }
}