:root {
  --bg: #f6f2eb;
  --bg-warm: #efe6da;
  --panel: #ffffff;
  --panel-2: #faf7f2;
  --border: #ddd4c8;
  --border-strong: #c9bba8;
  --text: #1f1a16;
  --muted: #6b5e52;
  --accent: #b8652f;
  --accent-dim: #9a5528;
  --accent-bright: #d4844a;
  --accent-soft: rgba(184, 101, 47, 0.1);
  --accent-text: #fffaf5;
  --ok: #2d8a5e;
  --warn: #b45309;
  --bad: #c0392b;
  --shadow: 0 1px 2px rgba(31, 26, 22, 0.06), 0 8px 24px rgba(31, 26, 22, 0.06);
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(184, 101, 47, 0.14), transparent 55%),
    linear-gradient(90deg, rgba(31, 26, 22, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(31, 26, 22, 0.04) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(31, 26, 22, 0.04);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  flex-wrap: wrap;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}

.logo:hover { text-decoration: none; color: var(--accent); }

.usa-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text);
  border: 1px solid var(--border);
  background: linear-gradient(
    90deg,
    rgba(178, 34, 52, 0.22) 0%,
    rgba(255, 255, 255, 0.06) 45%,
    rgba(60, 59, 110, 0.22) 100%
  );
}

.usa-badge::before {
  content: "★";
  color: #b22234;
  font-size: 0.55rem;
}

.usa-callout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid #b22234;
  border-radius: 12px;
}

.usa-callout strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.usa-callout p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.1rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
}

.site-nav a.active { font-weight: 600; }

.nav-cta {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--accent-dim);
  border-radius: 6px;
  color: var(--accent) !important;
  background: rgba(201, 123, 74, 0.1);
}

.nav-cta:hover {
  background: rgba(201, 123, 74, 0.18);
  text-decoration: none;
}

.nav-quote {
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-text) !important;
  background: var(--accent);
  text-decoration: none;
}

.nav-quote:hover {
  background: var(--accent-bright);
  text-decoration: none;
}

.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  flex-wrap: wrap;
  padding: 0.55rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}

.trust-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.trust-pill {
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--panel);
}

.cta-band {
  max-width: 1100px;
  margin: 0 auto 2rem;
  padding: 1.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.cta-band h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.cta-band p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 36rem;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.compare-table th,
.compare-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.compare-table th {
  color: var(--muted);
  font-weight: 600;
  background: var(--panel-2);
}

.compare-table td:first-child {
  color: var(--muted);
  font-weight: 500;
  width: 28%;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
}

.faq-item p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.resource-card .btn {
  margin-top: 0.85rem;
}

.price-card {
  border-color: var(--accent-dim);
}

.price-label {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}

.price-amount {
  margin: 0.5rem 0 0.25rem;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.price-amount span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
}

.price-note {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.price-includes {
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.price-includes li {
  margin-bottom: 0.35rem;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.hero {
  padding: 2.5rem 0 2rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero .lead {
  margin: 0 0 1.75rem;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 42rem;
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
}

.btn-primary:hover {
  background: var(--accent-bright);
  text-decoration: none;
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--panel);
}

.btn-secondary:hover {
  border-color: var(--accent-dim);
  text-decoration: none;
}

.pill-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.pill {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--panel);
}

.pill.usa-pill {
  color: var(--text);
  border-color: rgba(178, 34, 52, 0.45);
  background: linear-gradient(
    90deg,
    rgba(178, 34, 52, 0.15) 0%,
    rgba(255, 255, 255, 0.04) 50%,
    rgba(60, 59, 110, 0.15) 100%
  );
}

.section {
  margin-top: 2.5rem;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.spec-table th,
.spec-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.spec-table th {
  color: var(--muted);
  font-weight: 500;
  width: 40%;
}

.flow {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  color: var(--accent);
}

.diagram {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.diagram-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

.diagram-box {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  min-width: 120px;
  text-align: center;
}

.diagram-arrow {
  color: var(--accent);
  font-family: ui-monospace, monospace;
}

.din-rail {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.din-module {
  width: 72px;
  height: 88px;
  border: 2px solid var(--accent-dim);
  border-radius: 4px;
  background: linear-gradient(180deg, #faf7f2 0%, #e8dfd3 100%);
  position: relative;
}

.din-module::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: -4px;
  right: -4px;
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    #3d4f63 0px,
    #3d4f63 8px,
    #1a2838 8px,
    #1a2838 16px
  );
  border-radius: 2px;
}

.din-module span {
  display: block;
  font-size: 0.65rem;
  text-align: center;
  padding-top: 0.5rem;
  color: var(--muted);
}

.contact-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 32rem;
}

.contact-block p {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.tbd {
  color: var(--warn);
  font-size: 0.78rem;
}

.dashboard-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(31, 26, 22, 0.04);
  position: sticky;
  top: 0;
  z-index: 10;
}

.dashboard-header h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.03em;
}

.dashboard-header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
}

.stat .label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat .value {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr; }
}

.card h2 {
  margin: 0;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}

.card:has(h2) {
  padding: 0;
  overflow: hidden;
}

.diode-list {
  display: flex;
  flex-direction: column;
}

.diode {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem 1rem;
  align-items: center;
}

.diode:last-child { border-bottom: none; }

.diode h3 { margin: 0; font-size: 1rem; }

.meta {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.2rem;
}

.metrics {
  text-align: right;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

.badge {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
}

.badge.up { background: var(--ok); color: var(--ok); }
.badge.down { background: var(--bad); color: var(--bad); }
.badge.stale { background: var(--warn); color: var(--warn); }
.badge.unknown { background: #94a3b8; color: #94a3b8; }

.events {
  max-height: 520px;
  overflow: auto;
}

.event {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.84rem;
}

.event .ts {
  color: var(--muted);
  font-size: 0.75rem;
}

.event.critical { border-left: 3px solid var(--bad); }
.event.warning { border-left: 3px solid var(--warn); }
.event.info { border-left: 3px solid var(--accent); }

.dashboard-footer {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

@media (max-width: 640px) {
  .site-nav { width: 100%; padding-bottom: 0.5rem; }
}

.logo { display: inline-flex; align-items: center; gap: 0.55rem; }
.logo-mark { width: 1.65rem; height: 1.65rem; border-radius: 6px; background: linear-gradient(145deg, var(--accent-bright), var(--accent-dim)); position: relative; }
.logo-mark::after { content: ""; position: absolute; inset: 0.35rem 0.3rem 0.35rem 0.55rem; border-top: 2px solid #fffaf5; border-right: 2px solid #fffaf5; transform: skewX(-12deg); }
.eyebrow { margin: 0 0 0.65rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.hero-split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.08; letter-spacing: -0.03em; }
.hero-preview { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 1.1rem; box-shadow: var(--shadow); }
.preview-head { display: flex; justify-content: space-between; margin-bottom: 1rem; padding-bottom: 0.65rem; border-bottom: 1px solid var(--border); }
.preview-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-bottom: 1rem; }
.preview-stat { background: var(--panel-2); border-radius: 10px; padding: 0.65rem; text-align: center; }
.preview-stat .num { display: block; font-size: 1.35rem; font-weight: 700; }
.preview-stat.ok .num { color: var(--ok); }
.preview-stat.warn .num { color: var(--warn); }
.preview-row { display: grid; grid-template-columns: auto 1fr auto; gap: 0.65rem; align-items: center; padding: 0.55rem; background: var(--panel-2); border-radius: 8px; margin-bottom: 0.5rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.up { background: var(--ok); }
.dot.stale { background: var(--warn); }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.feature-card { box-shadow: var(--shadow); border-radius: 14px; }
.feature-icon { display: inline-flex; width: 2rem; height: 2rem; margin-bottom: 0.75rem; border-radius: 8px; background: var(--accent-soft); color: var(--accent); align-items: center; justify-content: center; }
.cta-band { box-shadow: var(--shadow); background: linear-gradient(135deg, var(--panel), var(--bg-warm)); border-radius: 14px; }
.flow { font-family: var(--mono); color: var(--accent-dim); }
@media (max-width: 900px) { .hero-split { grid-template-columns: 1fr; } }

.hero-figure { margin: 0; border-radius: 16px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); }
.hero-figure img { display: block; width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; }
.hero-figure figcaption { padding: 0.65rem 0.85rem; font-size: 0.78rem; color: var(--muted); background: var(--panel-2); }

.image-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 0.5rem; }
.strip-card { margin: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); background: var(--panel); }
.strip-card img { display: block; width: 100%; height: 11rem; object-fit: cover; }
.strip-card figcaption { padding: 0.55rem 0.75rem; font-size: 0.78rem; color: var(--muted); text-align: center; }

.card-media { padding: 0; overflow: hidden; }
.card-media img { display: block; width: 100%; height: 10.5rem; object-fit: cover; }
.card-media .card-body { padding: 1rem 1.15rem 1.15rem; }
.card-media h3 { margin-top: 0; }

.site-footer p { margin: 0 0 0.35rem; }
.photo-credit { font-size: 0.72rem; opacity: 0.85; }

@media (max-width: 900px) {
  .image-strip { grid-template-columns: 1fr; }
  .strip-card img { height: 14rem; }
}