:root {
  --ink: #f8fbff;
  --soft-white: #dfeaff;
  --night: #07101d;
  --deep: #0b1728;
  --panel: #102139;
  --line: #315072;
  --cyan: #63e6ff;
  --violet: #a794ff;
  --mint: #75f0c5;
  --max: 1180px;
  color-scheme: dark;
  font-family: "Segoe UI Variable", "Aptos", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 8%, rgba(99, 230, 255, .09), transparent 30rem),
    linear-gradient(180deg, #07101d 0%, #091524 58%, #07101d 100%);
  font-size: 18px;
  line-height: 1.65;
  min-height: 100vh;
}
a { color: var(--cyan); text-underline-offset: .2em; }
a:hover { color: var(--ink); }
a:focus-visible, .button:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 4px;
}
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  background: var(--ink);
  color: var(--night);
  padding: .75rem 1rem;
  border-radius: .45rem;
}
.skip-link:focus { top: 1rem; }
.site-header, main, footer {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.02em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  rotate: 12deg;
}
.brand-mark i { background: var(--cyan); border-radius: 50%; }
.brand-mark i:nth-child(2) { background: var(--violet); }
.brand-mark i:nth-child(3) { background: var(--mint); }
.brand-mark i:nth-child(4) { background: var(--ink); }
.site-header nav, footer nav {
  display: flex;
  gap: clamp(.75rem, 2vw, 1.8rem);
  align-items: center;
}
.site-header nav a, footer nav a {
  color: var(--soft-white);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 700;
}
.site-header nav a:hover, footer nav a:hover { color: var(--cyan); }
.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 5rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-copy { position: relative; z-index: 2; padding: 5rem 0; }
.eyebrow, .section-label, .card-label, .capability-code {
  color: var(--cyan);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .74rem;
  font-weight: 800;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 850px;
  margin-bottom: 1.8rem;
  font-size: clamp(3.5rem, 8vw, 7.6rem);
  line-height: .88;
  letter-spacing: -.065em;
}
h1 em {
  color: var(--cyan);
  font-style: normal;
  font-weight: 500;
}
h2 {
  font-size: clamp(2.15rem, 5vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -.05em;
}
h3 { font-size: 1.35rem; line-height: 1.15; letter-spacing: -.025em; }
.lede {
  max-width: 720px;
  color: var(--soft-white);
  font-size: clamp(1.12rem, 2vw, 1.45rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.4rem; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: .6rem;
  font-weight: 800;
  text-decoration: none;
}
.button.primary { background: var(--cyan); color: var(--night); border-color: var(--cyan); }
.button.secondary { color: var(--ink); background: rgba(16, 33, 57, .72); }
.identity-card {
  position: relative;
  z-index: 2;
  background: linear-gradient(160deg, rgba(16, 33, 57, .95), rgba(7, 16, 29, .92));
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .32);
}
.identity-card dl { margin: 0; }
.identity-card dl div { padding: 1rem 0; border-top: 1px solid var(--line); }
.identity-card dt { color: var(--soft-white); font-size: .78rem; }
.identity-card dd { margin: .2rem 0 0; font-weight: 800; }
.signal-field {
  position: absolute;
  right: 0;
  top: 4rem;
  width: 530px;
  height: 530px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  rotate: -8deg;
  opacity: .42;
}
.signal-field span {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--cyan), transparent 16%);
}
.signal-field span:nth-child(3n) { scale: .55; border-color: var(--violet); }
.signal-field span:nth-child(4n) { scale: .78; border-color: var(--mint); }
.statement, .data-section, .portuguese, .contact {
  padding: clamp(5rem, 10vw, 9rem) 0;
  border-bottom: 1px solid var(--line);
}
.statement {
  display: grid;
  grid-template-columns: 180px minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 2.5rem;
  align-items: start;
}
.statement h2 { grid-column: 2; }
.statement > p:last-child { grid-column: 3; color: var(--soft-white); font-size: 1.12rem; }
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--line);
}
.capability-grid article { padding: 3rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-grid article:nth-child(2n) { border-right: 0; }
.capability-grid p { color: var(--soft-white); margin-bottom: 0; }
.capability-code { display: inline-block; margin-bottom: 2rem; color: var(--mint); }
.data-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); }
.data-copy { color: var(--soft-white); }
.data-copy li { margin-bottom: .8rem; }
.portuguese { max-width: 900px; }
.portuguese p:last-child { color: var(--soft-white); font-size: 1.12rem; }
.contact { text-align: center; }
.contact-link { font-size: clamp(1.5rem, 4vw, 3.5rem); font-weight: 850; letter-spacing: -.04em; }
footer {
  padding: 3rem 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}
footer p { color: var(--soft-white); margin-bottom: 0; font-size: .86rem; }
.disclaimer { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.legal-page { max-width: 980px; }
.legal-hero { padding: clamp(5rem, 10vw, 8rem) 0 4rem; border-bottom: 1px solid var(--line); }
.legal-hero h1 { font-size: clamp(3.5rem, 8vw, 7rem); }
.legal-hero > p:last-child { max-width: 760px; color: var(--soft-white); font-size: 1.25rem; }
.legal-content { padding: 2rem 0 7rem; }
.legal-content section {
  display: grid;
  grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr);
  gap: 3rem;
  padding: 3rem 0;
  border-bottom: 1px solid var(--line);
}
.legal-content h2 { font-size: 1.45rem; letter-spacing: -.025em; }
.legal-content section > *:not(h2) { grid-column: 2; }
.legal-content p, .legal-content li { color: var(--soft-white); }
.legal-content ul { margin-top: -1rem; padding-left: 1.25rem; }
.legal-content li { margin-bottom: .7rem; }

@media (max-width: 860px) {
  body { font-size: 17px; }
  .site-header { align-items: flex-start; padding: 1.2rem 0; gap: 1rem; }
  .site-header nav { flex-wrap: wrap; justify-content: flex-end; gap: .55rem 1rem; }
  .hero { grid-template-columns: 1fr; gap: 0; min-height: auto; padding-bottom: 4rem; }
  .hero-copy { padding-bottom: 2rem; }
  .identity-card { max-width: 520px; }
  .signal-field { right: -220px; }
  .statement { grid-template-columns: 1fr; }
  .statement h2, .statement > p:last-child { grid-column: 1; }
  .data-section { grid-template-columns: 1fr; gap: 1rem; }
  .legal-content section { grid-template-columns: 1fr; gap: .8rem; }
  .legal-content section > *:not(h2) { grid-column: 1; }
}

@media (max-width: 620px) {
  .site-header { display: block; }
  .site-header nav { justify-content: flex-start; margin-top: 1rem; }
  h1 { font-size: clamp(3.2rem, 16vw, 5.2rem); }
  .hero-actions, .button { width: 100%; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { padding: 2rem 0; border-right: 0; }
  footer { grid-template-columns: 1fr; }
  footer nav { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: no-preference) {
  .signal-field { animation: drift 18s ease-in-out infinite alternate; }
  @keyframes drift { to { transform: translate3d(-24px, 18px, 0) rotate(3deg); } }
}