.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 4vw, 3rem);
  transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  border-bottom: 1px solid var(--color-border);
  background: rgba(8, 12, 20, 0.82);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font: 700 1.8rem/1 var(--font-display);
}

.brand-logo {
  width: 2.1rem;
  height: 2.1rem;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font: 700 0.84rem/1 var(--font-code);
  text-transform: uppercase;
}

.site-nav > a,
.nav-dropdown > button {
  position: relative;
  border: 0;
  color: var(--color-text-muted);
  background: transparent;
  text-transform: uppercase;
}

.site-nav > a:hover,
.nav-dropdown > button:hover,
.site-nav > a.is-active { color: var(--color-text-primary); }

.site-nav > a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.75rem;
  height: 2px;
  background: var(--color-primary-glow);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(124, 58, 237, 0.7);
  color: #fff;
  background: rgba(91, 33, 182, 0.12);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover,
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); }
.btn-secondary { background: rgba(13, 19, 32, 0.72); }

.nav-dropdown { position: relative; }

.dropdown-panel {
  position: absolute;
  top: calc(100% + 1rem);
  left: 0;
  min-width: 260px;
  padding: 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(13, 19, 32, 0.94);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: 160ms ease;
}

.nav-dropdown:hover .dropdown-panel,
.nav-dropdown:focus-within .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-panel a {
  display: grid;
  gap: 0.25rem;
  padding: 0.75rem;
  border-radius: 6px;
  color: var(--color-text-primary);
}

.dropdown-panel a:hover { background: rgba(124, 58, 237, 0.16); }
.dropdown-panel small { color: var(--color-text-muted); text-transform: none; }

.nav-toggle {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(13, 19, 32, 0.7);
}

.nav-toggle span {
  display: block;
  width: 1.2rem;
  height: 2px;
  margin: 5px auto;
  background: var(--color-text-primary);
}

.hero {
  min-height: 100vh;
  display: grid;
  align-content: center;
  padding-top: 7rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(300px, 0.96fr);
  gap: 2rem;
  align-items: center;
}

.hero-copy p {
  max-width: 650px;
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
}

.cyber-globe {
  aspect-ratio: 1;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.18), rgba(13, 19, 32, 0.2) 55%, transparent 70%);
  box-shadow: inset 0 0 50px rgba(37, 99, 235, 0.18), var(--shadow-glow);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero-metrics article,
.person-card,
.feature-card,
.segment-card,
.contact-form,
.contact-info,
.about-panel,
.product-section,
.flow-diagram,
.gallery-grid button {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(13, 19, 32, 0.72);
  backdrop-filter: blur(12px);
}

.hero-metrics article {
  padding: 1.1rem;
  text-align: center;
}

.hero-metrics strong {
  display: block;
  font: 700 2.5rem/1 var(--font-display);
}

.hero-metrics span { color: var(--color-text-muted); }

.about-panel { padding: 1rem; }
.person-card { padding: 1.3rem; margin-bottom: 1rem; }
.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.mini-stats span { padding: 1rem; border-radius: var(--radius); background: rgba(255,255,255,0.04); color: var(--color-text-muted); }
.mini-stats strong { display: block; color: var(--color-text-primary); font: 700 2rem/1 var(--font-display); }

.feature-grid,
.segment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card,
.segment-card {
  padding: 1.25rem;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover,
.segment-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.7);
  box-shadow: var(--shadow-glow);
}

.feature-card span {
  color: #A78BFA;
  font-family: var(--font-code);
}

.feature-card ul {
  padding-left: 1.1rem;
  margin: 0;
  color: var(--color-text-muted);
}

.products { padding-top: 3rem; }

.product-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr);
  gap: 2rem;
  align-items: center;
  padding: clamp(1.2rem, 3vw, 2rem);
  margin-bottom: 1.5rem;
}

.product-reverse .product-copy { order: 2; }

.product-copy p { font-size: 1.08rem; }

.product-features,
.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  margin: 1.4rem 0;
}

.product-features span,
.impact-grid span {
  padding: 0.8rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  color: var(--color-text-muted);
}

.impact-grid strong {
  display: block;
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.screenshot-frame {
  position: relative;
  min-height: 360px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    radial-gradient(circle at 30% 30%, rgba(124,58,237,0.38), transparent 12rem),
    #09111E;
  background-size: 28px 28px, 28px 28px, auto, auto;
}

.screenshot-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.92;
}

.screenshot-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 34px;
  background: linear-gradient(90deg, #DC2626 12px, #F59E0B 12px 26px, #16A34A 26px 40px, transparent 40px);
  opacity: 0.9;
  z-index: 1;
}

.screenshot-frame span,
.brazil-map strong {
  position: relative;
  z-index: 2;
  font: 700 1rem/1.2 var(--font-code);
  color: #fff;
}

.screenshot-frame span {
  align-self: end;
  justify-self: start;
  margin: 0 0 1rem 1rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 6px;
  background: rgba(5,8,15,0.72);
  backdrop-filter: blur(10px);
}

.accent-purple { --accent: var(--color-primary); }
.accent-red { --accent: var(--color-accent-hot); border-color: var(--color-border-hot); }
.accent-teal { --accent: var(--color-accent-teal); border-color: rgba(13,148,136,0.35); }
.accent-green { --accent: var(--color-accent-green); border-color: rgba(22,163,74,0.35); }
.accent-blue { --accent: var(--color-accent); }
.product-section { box-shadow: inset 3px 0 0 var(--accent); }

.brazil-map {
  position: relative;
  min-height: 390px;
  border: 1px solid rgba(13,148,136,0.35);
  border-radius: var(--radius);
  background: radial-gradient(circle at 55% 48%, rgba(13,148,136,0.35), transparent 12rem), rgba(13, 19, 32, 0.72);
}

.brazil-map::before {
  content: "";
  position: absolute;
  inset: 12%;
  clip-path: polygon(46% 1%, 63% 7%, 74% 23%, 83% 41%, 75% 55%, 67% 78%, 51% 98%, 36% 86%, 27% 65%, 13% 52%, 22% 34%, 31% 17%);
  background: rgba(13,148,136,0.15);
  border: 1px solid rgba(13,148,136,0.4);
}

.brazil-map span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2DD4BF;
  box-shadow: 0 0 18px #2DD4BF;
}

.brazil-map strong {
  position: absolute;
  left: 1.2rem;
  bottom: 1.2rem;
}

.ncp-card {
  background: linear-gradient(135deg, rgba(91,33,182,0.36), rgba(37,99,235,0.16)), rgba(13,19,32,0.82);
}

.notify-form {
  display: grid;
  gap: 0.8rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius);
  color: var(--color-text-primary);
  background: rgba(8, 12, 20, 0.84);
  padding: 0.9rem 1rem;
}

textarea {
  min-height: 120px;
  resize: vertical;
  grid-column: 1 / -1;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background: transparent;
  border: 0;
}

.gallery-grid button {
  position: relative;
  min-height: 180px;
  padding: 1rem;
  text-align: left;
  color: var(--color-text-primary);
  overflow: hidden;
  background-image: linear-gradient(180deg, rgba(5,8,15,0.1), rgba(5,8,15,0.82)), var(--thumb);
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.gallery-grid button::before {
  content: attr(data-product);
  position: absolute;
  z-index: 2;
  right: 0.8rem;
  top: 0.8rem;
  font: 700 0.72rem/1 var(--font-code);
  color: #C4B5FD;
}

.gallery-grid button::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,0.22), rgba(220,38,38,0.14));
  opacity: 0.6;
  transition: opacity 180ms ease, transform 180ms ease;
}

.gallery-grid button {
  display: flex;
  align-items: flex-end;
  font-weight: 700;
  text-shadow: 0 2px 14px rgba(0,0,0,0.85);
}

.gallery-grid button > * {
  position: relative;
  z-index: 1;
}

.gallery-grid button:hover::after {
  opacity: 0.25;
  transform: scale(1.08);
}

.architecture { background: rgba(5,8,15,0.45); }

.flow-diagram {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.2rem;
}

.flow-node {
  min-height: 86px;
  display: grid;
  place-items: center;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  background: rgba(255,255,255,0.04);
  font-weight: 700;
}

.flow-node.core {
  grid-row: span 2;
  background: rgba(91,33,182,0.28);
  box-shadow: var(--shadow-glow);
}

.segment-grid { grid-template-columns: repeat(2, 1fr); }
.segment-card span { color: #C4B5FD; font-family: var(--font-code); }

.contact {
  background: linear-gradient(135deg, rgba(91,33,182,0.2), rgba(37,99,235,0.12));
}

.contact-form,
.contact-info {
  padding: clamp(1.2rem, 3vw, 2rem);
}

.form-tabs {
  display: flex;
  gap: 0.3rem;
  margin: 1rem 0 0.2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0;
}

.form-tab {
  padding: 0.5rem 1rem;
  font: 600 0.78rem/1 var(--font-code);
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  transition: color 160ms, background 160ms, border-color 160ms;
}

.form-tab:hover { color: var(--color-text-primary); }

.form-tab.is-active {
  color: var(--color-text-primary);
  background: rgba(91, 33, 182, 0.18);
  border-color: var(--color-border);
}

.form-common { margin-top: 0.8rem; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin: 0.5rem 0;
}

.form-grid textarea,
.form-grid select { grid-column: 1 / -1; }

.form-panel { display: none; }
.form-panel.is-active {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin: 0.5rem 0;
}
.form-panel.is-active textarea,
.form-panel.is-active select { grid-column: 1 / -1; }

.h-captcha { margin: 0.8rem 0 0.4rem; }

.hp-field {
  position: absolute;
  left: -100vw;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  display: block;
  min-height: 1.5rem;
  margin-top: 0.8rem;
  font-size: 0.9rem;
}

.form-status.is-ok  { color: #A7F3D0; }
.form-status.is-err { color: #FCA5A5; }

.contact-info {
  display: grid;
  gap: 0.8rem;
  align-content: center;
}

.contact-info a { color: #C4B5FD; }

.site-footer {
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--color-border);
  background: #05080F;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 2rem;
}

.footer-grid div {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.footer-grid a { color: var(--color-text-muted); }
.footer-grid a:hover { color: #C4B5FD; }

.copyright {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 2rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 0.92rem;
}

.copyright span {
  display: inline-flex;
  margin-left: 0.5rem;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  color: #C4B5FD;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  background: rgba(5,8,15,0.86);
}

.lightbox[hidden] { display: none; }

.lightbox > div {
  width: min(90vw, 900px);
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: radial-gradient(circle, rgba(124,58,237,0.22), rgba(13,19,32,0.96));
}

.lightbox img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: 6px;
  background: #05080F;
}

.lightbox strong,
.lightbox span {
  justify-self: start;
}

.lightbox span {
  color: #C4B5FD;
  font-family: var(--font-code);
}

.lightbox button {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.7rem;
  height: 2.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: #fff;
  background: rgba(13,19,32,0.95);
  font-size: 1.7rem;
}

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    top: 76px;
    right: 1rem;
    left: 1rem;
    display: grid;
    align-content: start;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: rgba(13, 19, 32, 0.96);
    backdrop-filter: blur(14px);
    transform: translateY(-140%);
    transition: transform 180ms ease;
  }

  body.nav-open .site-nav { transform: translateY(0); }
  .nav-toggle { display: block; }
  .dropdown-panel { position: static; min-width: 0; opacity: 1; visibility: visible; transform: none; background: transparent; }
  .hero-layout,
  .product-section { grid-template-columns: 1fr; }
  .product-reverse .product-copy { order: 0; }
  .feature-grid,
  .gallery-grid,
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  h1 { font-size: 3.1rem; }
  .hero-metrics,
  .feature-grid,
  .segment-grid,
  .gallery-grid,
  .form-grid,
  .footer-grid,
  .product-features,
  .impact-grid,
  .flow-diagram {
    grid-template-columns: 1fr;
  }
  .cyber-globe { min-height: 300px; }
  .screenshot-frame,
  .brazil-map { min-height: 280px; }
}