:root {
  --bg-canvas: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --ink-primary: #0F172A;
  --ink-secondary: #1E293B;
  --ink-muted: #334155;
  --border-light: #CBD5E1;
  --border-strong: #0F172A;
  --blueprint-blue: #1D4ED8;
  --blueprint-dark: #1E40AF;
  --blueprint-soft: #EFF6FF;
  --emerald-prec: #047857;
  --emerald-dark: #065F46;
  --emerald-soft: #ECFDF5;
  --cut-red: #DC2626;
  --cut-soft: #FEF2F2;
  --amber-warn: #B45309;
  --amber-soft: #FEF3C7;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 7px;
  --shadow-card: 0 6px 22px rgba(15, 23, 42, 0.05);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--bg-canvas);
  color: var(--ink-primary);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, video, canvas, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

.tabular {
  font-variant-numeric: tabular-nums;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

.partner-banner {
  display: none;
  background: var(--ink-primary);
  color: #FFFFFF;
  text-align: center;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
}

.top-nav {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-inner {
  max-width: 1380px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink-primary);
  font-weight: 800;
  font-size: 17.5px;
  letter-spacing: -0.02em;
  min-width: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, #0F172A 0%, #1D4ED8 65%, #047857 100%);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  min-width: 0;
  max-width: 100%;
}

.nav-links a {
  color: var(--ink-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
}

.nav-links a:hover { color: var(--blueprint-blue); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  max-width: 100%;
  text-align: center;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blueprint-blue); color: #FFFFFF; }
.btn-primary:hover { background: var(--blueprint-dark); }
.btn-emerald { background: var(--emerald-prec); color: #FFFFFF; }
.btn-emerald:hover { background: var(--emerald-dark); }
.btn-navy { background: var(--ink-primary); color: #FFFFFF; }
.btn-navy:hover { background: #1E293B; }
.btn-outline { background: #FFFFFF; color: var(--ink-primary); border-color: var(--border-light); }
.btn-outline:hover { border-color: var(--blueprint-blue); color: var(--blueprint-blue); }

.container-main {
  max-width: 1380px;
  width: 100%;
  margin: 0 auto;
  padding: 18px 16px 56px;
}

.hero-strip {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--blueprint-soft);
  color: var(--blueprint-blue);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
  max-width: 100%;
  flex-wrap: wrap;
}

.hero-strip h1 {
  margin: 0 0 8px;
  font-size: 25px;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  overflow-wrap: anywhere;
}

.hero-strip p {
  margin: 0;
  color: var(--ink-secondary);
  font-size: 14.5px;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.hero-stat {
  background: var(--bg-canvas);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  min-width: 0;
}

.hero-stat .k { font-size: 11.5px; font-weight: 700; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.hero-stat .v { font-size: 15.5px; font-weight: 800; color: var(--ink-primary); margin-top: 2px; }

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.mode-tab {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 11px 12px;
  text-align: left;
  cursor: pointer;
  min-width: 0;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.mode-tab .t-num { font-size: 11px; font-weight: 800; color: var(--blueprint-blue); text-transform: uppercase; display: block; }
.mode-tab .t-title { font-size: 13.5px; font-weight: 800; color: var(--ink-primary); display: block; margin-top: 2px; }
.mode-tab .t-sub { font-size: 11.5px; color: var(--ink-muted); display: block; margin-top: 2px; }
.mode-tab.active {
  border-color: var(--blueprint-blue);
  background: var(--blueprint-soft);
}

.studio-grid {
  display: grid;
  grid-template-columns: minmax(0, 415px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-card);
  min-width: 0;
  max-width: 100%;
}

.panel-title {
  margin: 0 0 12px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.field.full { grid-column: 1 / -1; }

.field label {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-secondary);
}

.field input, .field select, .field textarea {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: var(--ink-primary);
  font-size: 13.5px;
  font-weight: 600;
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(29, 78, 216, 0.25);
  border-color: var(--blueprint-blue);
}

.canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.sim-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
  max-width: 100%;
}

.canvas-stage {
  width: 100%;
  max-width: 100%;
  background: #FFFFFF;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

#cadCanvas {
  width: 100%;
  height: 460px;
  display: block;
  touch-action: manipulation;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.kpi-box {
  background: var(--bg-canvas);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  min-width: 0;
}

.kpi-box .lbl { font-size: 11.5px; font-weight: 700; color: var(--ink-muted); }
.kpi-box .val { font-size: 16.5px; font-weight: 800; color: var(--ink-primary); margin-top: 3px; overflow-wrap: anywhere; }
.kpi-box .sub { font-size: 11.5px; color: var(--emerald-prec); font-weight: 600; margin-top: 2px; }

.lint-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 12px;
}

.lint-item {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.8px;
  font-weight: 600;
  border-left: 4px solid var(--emerald-prec);
  background: var(--emerald-soft);
  color: var(--ink-primary);
  overflow-wrap: anywhere;
}

.lint-item.warn { border-left-color: var(--amber-warn); background: var(--amber-soft); }
.lint-item.error { border-left-color: var(--cut-red); background: var(--cut-soft); }

.export-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.section-block {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-top: 20px;
  box-shadow: var(--shadow-card);
  min-width: 0;
  max-width: 100%;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.tpl-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-canvas);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
  min-width: 0;
  transition: border-color 0.15s ease, transform 0.12s ease;
}

.tpl-card:hover { border-color: var(--blueprint-blue); transform: translateY(-1px); background: #FFFFFF; }
.tpl-card .badge { display: inline-block; font-size: 11px; font-weight: 800; color: var(--blueprint-blue); background: var(--blueprint-soft); padding: 2px 8px; border-radius: 99px; margin-bottom: 6px; }
.tpl-card h3 { margin: 0 0 6px; font-size: 14.5px; font-weight: 800; color: var(--ink-primary); }
.tpl-card p { margin: 0; font-size: 12.8px; color: var(--ink-secondary); }

.table-wrap { width: 100%; max-width: 100%; overflow-x: auto; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 10px; }
.spec-table th, .spec-table td { border: 1px solid var(--border-light); padding: 9px 11px; text-align: left; color: var(--ink-primary); }
.spec-table th { background: var(--bg-subtle); font-weight: 800; }

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.62);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-backdrop.open { display: flex; }
.modal-box {
  background: #FFFFFF;
  border: 1.5px solid var(--ink-primary);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  padding: 22px;
}

.site-footer {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-muted);
}

@media (max-width: 1024px) {
  .hero-strip { grid-template-columns: 1fr; }
  .studio-grid { grid-template-columns: 1fr; }
  .mode-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .container-main { padding: 12px 12px 44px; }
  .nav-inner { padding: 10px 12px; }
  .hero-strip { padding: 15px; }
  .hero-strip h1 { font-size: 20px; }
  .hero-badges { grid-template-columns: 1fr; }
  .mode-tabs { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .kpi-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .export-bar { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  #cadCanvas { height: 320px; }
  .panel-card, .section-block { padding: 14px; }
}