:root {
  --navy-950: #05070d;
  --navy-900: #080c18;
  --navy-800: #0d1424;
  --navy-700: #131c33;
  --blue-500: #2f6bff;
  --blue-400: #4f86ff;
  --blue-glow: #1e5fd9;
  --taupe-400: #cdbfae;
  --taupe-500: #b8a488;
  --ink-100: #f4f5f8;
  --ink-300: #c7cce0;
  --ink-500: #8991ad;
  --radius: 18px;
  --ease: cubic-bezier(.16,1,.3,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--navy-950);
  color: var(--ink-100);
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, .brand-word { font-family: 'Sora', 'Manrope', sans-serif; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* Background canvas + glow layers */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: .55;
  pointer-events: none;
}

.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all .4s var(--ease);
}
.nav.scrolled {
  padding: 10px 0;
  background: rgba(5,7,13,.72);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 30px; width: auto; object-fit: contain; transition: height .3s var(--ease); }
.nav.scrolled .brand-logo { height: 25px; }

.nav-links { display: flex; gap: 34px; }
.nav-links a {
  font-size: .92rem;
  font-weight: 500;
  color: var(--ink-300);
  transition: color .25s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1.5px;
  background: var(--blue-400);
  transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--ink-100); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { position: relative; }
.btn-access {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--ink-100);
  padding: 10px 18px;
  border-radius: 100px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s var(--ease);
  font-family: inherit;
}
.btn-access:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.22); }
.btn-access svg { transition: transform .25s var(--ease); }
.btn-access.open svg { transform: rotate(180deg); }

.access-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 280px;
  background: rgba(13,20,36,.98);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all .25s var(--ease);
  box-shadow: 0 20px 50px rgba(0,0,0,.5);
}
.access-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.access-menu a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 14px;
  border-radius: 10px;
  transition: background .2s;
}
.access-menu a:hover { background: rgba(255,255,255,.06); }
.access-menu-title { font-weight: 600; font-size: .9rem; }
.access-menu-sub { font-size: .76rem; color: var(--ink-500); }

.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-burger span { width: 22px; height: 2px; background: var(--ink-100); border-radius: 2px; }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 60px;
  z-index: 2;
}
.hero-glow {
  position: absolute;
  top: 8%;
  left: 50%;
  width: 900px; height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(47,107,255,.28) 0%, rgba(47,107,255,0) 65%);
  filter: blur(10px);
  z-index: -1;
  animation: pulse-glow 8s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { opacity: .8; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.08); }
}
.hero-inner { max-width: 780px; }
.hero-logo { width: min(360px, 70vw); margin: 0 auto 40px; }
.hero-title {
  font-size: clamp(1.9rem, 4.2vw, 3.2rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.02em;
  margin-bottom: 22px;
}
.grad-text {
  background: linear-gradient(90deg, var(--blue-400), var(--taupe-400) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-300);
  line-height: 1.65;
  max-width: 600px;
  margin: 0 auto 40px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-glow));
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  padding: 15px 30px;
  border-radius: 100px;
  box-shadow: 0 10px 30px rgba(47,107,255,.35);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(47,107,255,.5); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255,255,255,.18);
  color: var(--ink-100);
  font-weight: 600;
  font-size: .95rem;
  padding: 15px 30px;
  border-radius: 100px;
  transition: all .3s var(--ease);
}
.btn-ghost:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.32); transform: translateY(-3px); }

.btn-large { padding: 18px 38px; font-size: 1.05rem; }

.scroll-cue {
  position: absolute;
  bottom: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-cue span {
  width: 1px; height: 46px;
  background: linear-gradient(var(--ink-500), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-cue span::after {
  content: '';
  position: absolute;
  top: -100%; left: 0;
  width: 100%; height: 100%;
  background: var(--blue-400);
  animation: scroll-drip 2.2s ease-in-out infinite;
}
@keyframes scroll-drip {
  0% { top: -100%; }
  60%, 100% { top: 100%; }
}
.scroll-cue p { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-500); }

/* ===== SECTIONS ===== */
.section { position: relative; z-index: 2; padding: 130px 24px; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(19,28,51,.35), transparent); }
.section-inner { max-width: 1080px; margin: 0 auto; }

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.25;
  max-width: 720px;
  margin-bottom: 50px;
}

/* Sobre */
.sobre-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 60px; align-items: start; }
.sobre-text { font-size: 1.05rem; color: var(--ink-300); line-height: 1.75; }
.sobre-stats { display: flex; flex-direction: column; gap: 24px; }
.stat {
  padding: 22px 24px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}
.stat-num { display: block; font-family: 'Sora', sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--blue-400); }
.stat-label { font-size: .85rem; color: var(--ink-500); }

/* Sistemas */
.system-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  background: linear-gradient(160deg, rgba(255,255,255,.035), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 26px;
  padding: 50px;
}
.system-tag {
  display: inline-block;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--taupe-400);
  background: rgba(184,164,136,.12);
  border: 1px solid rgba(184,164,136,.3);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.system-info h3 { font-size: 1.7rem; font-weight: 700; margin-bottom: 14px; }
.system-info > p { color: var(--ink-300); line-height: 1.65; margin-bottom: 24px; }
.system-features { display: flex; flex-direction: column; gap: 11px; margin-bottom: 32px; }
.system-features li {
  font-size: .93rem;
  color: var(--ink-300);
  padding-left: 26px;
  position: relative;
}
.system-features li::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: rgba(47,107,255,.15);
  border: 1px solid var(--blue-400);
}
.system-features li::after {
  content: '';
  position: absolute;
  left: 5px; top: 9px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--blue-400);
}

.system-shot {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
  background: var(--navy-800);
  box-shadow: 0 30px 70px rgba(0,0,0,.5);
}
.shot-bar {
  display: flex;
  gap: 7px;
  padding: 13px 16px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.shot-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.14); }
.shot-bar span:nth-child(1) { background: #ff5f57; opacity: .55; }
.shot-bar span:nth-child(2) { background: #febc2e; opacity: .55; }
.shot-bar span:nth-child(3) { background: #28c840; opacity: .55; }
.shot-frame { max-height: 480px; overflow: hidden; }
.system-shot img { width: 100%; height: auto; display: block; object-fit: cover; object-position: top; }
.shot-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.02) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, var(--navy-800), var(--navy-900));
  color: var(--ink-500);
  font-size: .85rem;
  text-align: center;
}

.systems-note { text-align: center; color: var(--ink-500); font-size: .88rem; margin-top: 36px; }

/* Próximos sistemas */
.upcoming-header { display: flex; align-items: baseline; gap: 14px; margin-top: 60px; margin-bottom: 24px; }
.upcoming-header .eyebrow { margin-bottom: 0; }
.upcoming-header p { color: var(--ink-500); font-size: .92rem; }
.upcoming-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.upcoming-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 26px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.025);
  border: 1px dashed rgba(255,255,255,.14);
  transition: all .3s var(--ease);
}
.upcoming-card:hover { border-color: rgba(184,164,136,.5); background: rgba(255,255,255,.045); transform: translateY(-3px); }
.upcoming-icon { width: 36px; height: 36px; flex-shrink: 0; opacity: .85; }
.upcoming-card h4 { font-size: 1.02rem; font-weight: 700; margin-top: 6px; }
.upcoming-badge {
  margin-left: auto;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-500);
  border: 1px solid rgba(255,255,255,.14);
  padding: 5px 10px;
  border-radius: 100px;
  white-space: nowrap;
}

/* Diferenciais */
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  padding: 32px 26px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  transition: transform .35s var(--ease), border-color .35s, background .35s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(47,107,255,.35);
  background: rgba(255,255,255,.05);
}
.card-icon { width: 40px; height: 40px; margin-bottom: 18px; }
.card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: .88rem; color: var(--ink-500); line-height: 1.6; }

/* Contato */
.section-contact { text-align: center; }
.contact-inner { display: flex; flex-direction: column; align-items: center; }
.contact-sub { color: var(--ink-300); margin-bottom: 40px; font-size: 1.02rem; }

/* Footer */
.footer { position: relative; z-index: 2; padding: 50px 24px; border-top: 1px solid rgba(255,255,255,.06); }
.footer-inner { max-width: 1080px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-mark { width: 28px; height: 28px; opacity: .8; }
.footer-inner p { font-size: .82rem; color: var(--ink-500); }
.footer-inner a { font-size: .82rem; color: var(--ink-300); transition: color .2s; }
.footer-inner a:hover { color: var(--blue-400); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* Página "sistema em desenvolvimento" */
.dev-page {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 80px;
}
.dev-inner { max-width: 520px; }
.dev-icon { width: 72px; height: 72px; margin: 0 auto 26px; opacity: .9; }
.dev-inner .system-tag { display: inline-block; }
.dev-inner h1 { font-size: clamp(1.6rem, 3.4vw, 2.1rem); font-weight: 700; margin: 14px 0 16px; letter-spacing: -.01em; }
.dev-sub { color: var(--ink-300); line-height: 1.6; margin-bottom: 36px; }
.dev-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .sobre-grid { grid-template-columns: 1fr; }
  .system-card { grid-template-columns: 1fr; padding: 32px; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .cards-grid { grid-template-columns: 1fr; }
  .upcoming-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* Analise_Claude.md, MEDIO "Acessibilidade": animacoes ignoram prefers-reduced-motion
   (08/08/2026). Padrao universal -- encurta toda animacao/transicao CSS pra
   praticamente instantaneo pra quem tem essa preferencia ativada no SO (motion
   sickness/vestibular), sem remover o efeito final (.reveal ainda termina in-view, so
   sem a transicao de 0.8s). O canvas de particulas (js/script.js) e JS puro, entao tem
   o guard equivalente la (matchMedia), nao aqui. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}