/* NodenTec — site institucional (white) */
:root {
  --ink: #142018;
  --muted: #5a6b60;
  --line: #d7e0da;
  --paper: #f4f7f5;
  --surface: #ffffff;
  --brand: #c45a12;
  --brand-ink: #8a3d0a;
  --ok: #1f7a4c;
  --font: "Source Serif 4", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 0% -10%, rgba(196, 90, 18, 0.08), transparent 55%),
    radial-gradient(700px 380px at 100% 0%, rgba(31, 122, 76, 0.06), transparent 50%),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-ink); }
a:hover { color: var(--brand); }

.wrap {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(244, 247, 245, 0.92);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}
.brand img { height: 40px; width: auto; }
.brand-text {
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand-text:hover { color: var(--ink); }
.foot-mark {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.9rem;
  font-weight: 650;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
}
.nav a:hover,
.nav a.is-on { color: var(--ink); }

.hero {
  padding: 48px 0 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: end;
}
.hero-copy h1 {
  margin: 0 0 12px;
  font-family: var(--font);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.hero-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 46ch;
}
.kicker {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
}
.hero-visual {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 18px;
}
.hero-visual img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: #eef3f0;
}
.hero-note {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.section { padding: 36px 0; }
.section h2 {
  margin: 0 0 8px;
  font-family: var(--font);
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  letter-spacing: -0.015em;
}
.section .lead {
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 58ch;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.block {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 18px 18px 16px;
}
.block h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.block p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.lineup {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.device {
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.device-media {
  background: #eef3f0;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}
.device-media img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}
.device-body { padding: 14px; }
.device-body h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}
.device-body .range {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.88rem;
}
.device-body .ref {
  margin: 0;
  font-size: 0.84rem;
  color: var(--ink);
}
.device-body .ref strong {
  font-variant-numeric: tabular-nums;
}
.device-body .hint {
  margin: 6px 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}
.device ul {
  margin: 10px 0 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 0.82rem;
}

.disclaimer {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  font-size: 0.86rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
}
.btn:hover { color: #fff; opacity: 0.92; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { color: var(--ink); background: rgba(20, 32, 24, 0.04); }

.legal {
  width: min(100% - 32px, 760px);
  margin: 0 auto;
  padding: 28px 0 56px;
}
.legal h1 {
  margin: 0 0 8px;
  font-family: var(--font);
  font-size: 1.7rem;
}
.legal .updated {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.85rem;
}
.legal h2 {
  margin: 22px 0 8px;
  font-size: 1.05rem;
}
.legal p,
.legal li {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}
.legal p { margin: 0 0 10px; }
.legal ul { margin: 0 0 12px; padding-left: 18px; }
.legal .back {
  display: inline-block;
  margin-bottom: 16px;
  font-weight: 700;
  text-decoration: none;
  color: var(--brand-ink);
}

.site-foot {
  margin-top: 28px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}
.site-foot img { height: 44px; width: auto; }
.site-foot p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.site-foot h4 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-foot a {
  display: block;
  margin: 0 0 6px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}
.site-foot a:hover { color: var(--brand); }
.foot-copy {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .hero,
  .grid-2,
  .foot-grid { grid-template-columns: 1fr; }
  .lineup { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { padding-top: 28px; }
}
@media (max-width: 560px) {
  .lineup { grid-template-columns: 1fr; }
  .nav { font-size: 0.82rem; }
}