/* Protocolo Padrão | Guia da Marca v1.2
   Paleta: laranja #FF5A1F, preto #0F0F0F, grafite #2A2A2A, cinza #6B6B6B, branco #FFFFFF */

:root {
  --orange: #FF5A1F;
  --black: #0F0F0F;
  --graphite: #2A2A2A;
  --grey: #6B6B6B;
  --white: #FFFFFF;
  --text-soft: rgba(255, 255, 255, 0.74);
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.20);
  --font-head: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.08;
  margin: 0 0 0.5em;
  font-weight: 600;
}
h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h3 { font-size: 1.35rem; }

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }

.kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 18px;
  display: block;
}
.kicker.grey { color: var(--grey); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-soft); max-width: 62ch; }
.accent { color: var(--orange); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500;
  font-size: 0.98rem;
  padding: 15px 28px;
  border: 1px solid var(--orange);
  border-radius: 2px;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  cursor: pointer;
  background: transparent; color: var(--white);
}
.btn-primary { background: var(--orange); color: var(--black); font-weight: 600; }
.btn-primary:hover { background: var(--white); border-color: var(--white); transform: translateY(-2px); }
.btn-ghost { border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-2px); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--orange); outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(15, 15, 15, 0.82);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; margin-right: auto; }
.brand-logo { height: 34px; width: auto; }
.brand-text { font-family: var(--font-head); font-weight: 600; letter-spacing: 0.12em; font-size: 1.15rem; }
.nav { display: flex; gap: 30px; }
.nav a {
  font-family: var(--font-head); text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 0.92rem; color: var(--text-soft); position: relative; padding: 6px 0;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--orange); transition: width .25s ease;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--white); }
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--grey); border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px;
}
.status-pill i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--orange);
  box-shadow: 0 0 0 0 rgba(255, 90, 31, .6); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 90, 31, .55); }
  70% { box-shadow: 0 0 0 9px rgba(255, 90, 31, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0); }
}
.nav-toggle {
  display: none; width: 44px; height: 44px; background: none; border: 1px solid var(--line-strong);
  border-radius: 2px; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--white); transition: transform .25s ease, opacity .25s ease; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 36px) 0 170px; overflow: hidden; isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.layer { position: absolute; inset: 0; will-change: transform; }
.layer-grid {
  inset: -8% -4%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 45%, #000 0%, transparent 72%);
          mask-image: radial-gradient(ellipse at 70% 45%, #000 0%, transparent 72%);
  opacity: .7;
}
.layer-glow {
  background:
    radial-gradient(60% 55% at 75% 42%, rgba(255, 90, 31, 0.22) 0%, rgba(255, 90, 31, 0) 70%),
    radial-gradient(40% 40% at 10% 90%, rgba(42, 42, 42, 0.9) 0%, rgba(15, 15, 15, 0) 70%);
}
.layer-radar { display: flex; align-items: center; justify-content: flex-end; padding-right: 2vw; }
.layer-radar svg { width: min(78vw, 860px); height: auto; opacity: .85; }
.layer-logo { display: flex; align-items: center; justify-content: flex-end; padding-right: 7vw; }
.layer-logo img { width: min(46vw, 520px); height: auto; opacity: .16; filter: saturate(1.1); }

.hero-content { position: relative; }
.hero h1 {
  font-size: clamp(2.7rem, 11.5vw, 8rem);
  font-weight: 700; line-height: .92; letter-spacing: 0.01em; margin-bottom: 22px;
  overflow-wrap: anywhere;
}
.hero-sub {
  font-family: var(--font-head); text-transform: uppercase; letter-spacing: 0.22em;
  color: var(--orange); font-size: clamp(.95rem, 1.7vw, 1.25rem); margin-bottom: 28px;
  display: flex; align-items: center; gap: 16px;
}
.hero-sub::before { content: ""; width: 56px; height: 2px; background: var(--orange); }
.hero-quote {
  font-family: var(--font-head); text-transform: uppercase; font-weight: 500;
  font-size: clamp(1.3rem, 2.6vw, 2rem); letter-spacing: .03em; line-height: 1.2;
  border-left: 3px solid var(--orange); padding-left: 18px; margin: 28px 0; max-width: 30ch;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

.telemetry {
  position: absolute; left: 0; right: 0; bottom: 34px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(15, 15, 15, .55); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.telemetry div { padding: 18px 22px; display: flex; align-items: baseline; gap: 14px; border-right: 1px solid var(--line); }
.telemetry div:last-child { border-right: 0; }
.telemetry b { font-family: var(--font-head); font-size: 2.2rem; color: var(--orange); font-weight: 600; line-height: 1; }
.telemetry span { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--grey); }

/* ---------- Seções ---------- */
section { position: relative; }
.section { padding: 110px 0; }
.band-graphite { background: var(--graphite); }
.band-graphite::before, .band-graphite::after {
  content: ""; position: absolute; left: 0; right: 0; height: 56px; background: var(--black); pointer-events: none;
}
.band-graphite::before { top: -1px; clip-path: polygon(0 0, 100% 0, 0 100%); }
.band-graphite::after { bottom: -1px; clip-path: polygon(100% 0, 100% 100%, 0 100%); }
.band-graphite .section-inner { padding: 56px 0; }

.section-head { margin-bottom: 52px; max-width: 760px; }

.contrast-list { display: grid; gap: 0; margin: 36px 0 56px; border-top: 1px solid var(--line-strong); }
.contrast-list div {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 28px; align-items: baseline;
  padding: 22px 0; border-bottom: 1px solid var(--line-strong);
}
.contrast-list .no { font-family: var(--font-mono); font-size: .9rem; color: var(--grey); text-transform: uppercase; letter-spacing: .08em; }
.contrast-list .yes { font-family: var(--font-head); text-transform: uppercase; font-size: clamp(1.2rem, 2.4vw, 1.7rem); letter-spacing: .03em; }

.split { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: start; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid var(--line-strong); padding: 9px 14px; border-radius: 2px; background: rgba(15, 15, 15, .5);
}
.tag::before { content: "["; color: var(--orange); margin-right: 6px; }
.tag::after { content: "]"; color: var(--orange); margin-left: 6px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--black); padding: 34px 28px 36px; position: relative; transition: background .25s ease; }
.card:hover { background: #151515; }
.card .idx { font-family: var(--font-mono); font-size: .75rem; color: var(--orange); letter-spacing: .14em; display: block; margin-bottom: 18px; }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--text-soft); font-size: .98rem; margin: 0; }
.card::after {
  content: ""; position: absolute; left: 0; top: 0; width: 0; height: 2px; background: var(--orange); transition: width .35s ease;
}
.card:hover::after { width: 100%; }

.statement {
  padding: 120px 0; text-align: center; position: relative; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.statement h2 { font-size: clamp(2.2rem, 6vw, 4.6rem); max-width: 18ch; margin: 0 auto 22px; }
.statement p { max-width: 58ch; margin: 0 auto 32px; color: var(--text-soft); }

/* Faixas de imagem com paralaxe (a foto entra em assets/img/) */
.photo-band {
  position: relative; height: clamp(320px, 52vw, 520px); overflow: hidden; isolation: isolate;
  display: flex; align-items: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.photo-bg {
  position: absolute; inset: -14% 0; z-index: -2; will-change: transform;
  background-color: var(--graphite);
  background-image:
    var(--photo, none),
    repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 2px, transparent 2px 22px);
  background-size: cover, auto; background-position: center;
}
.photo-band::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(15,15,15,.92) 0%, rgba(15,15,15,.55) 55%, rgba(15,15,15,.25) 100%);
}
.photo-band h2 { max-width: 16ch; }
.photo-band p { max-width: 46ch; color: var(--text-soft); margin: 0; }

.principles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); margin-bottom: 40px; }
.principle { background: var(--black); padding: 28px 22px 30px; }
.principle .p-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 26px; }
.principle .pi { width: 46px; height: 46px; color: var(--orange); transition: transform .3s ease, color .3s ease; }
.principle:hover .pi { transform: translateY(-3px); color: var(--white); }
.principle .code { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .16em; color: var(--grey); display: block; }
.principle h3 { font-size: 1.2rem; margin-bottom: 10px; }
.principle p { font-size: .9rem; color: var(--text-soft); margin: 0; }

.example { border: 1px solid var(--line-strong); padding: 30px; background: rgba(42,42,42,.45); display: grid; grid-template-columns: 1fr 1.6fr; gap: 36px; align-items: center; }
.example h3 { margin: 0; }
.methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.method { border: 1px solid var(--line); padding: 16px; font-size: .92rem; color: var(--text-soft); }
.method b { display: block; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--orange); margin-bottom: 6px; }

.modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.module { border-top: 2px solid var(--orange); padding-top: 18px; }
.module h3 { font-size: 1.1rem; }
.module p { color: var(--text-soft); font-size: .94rem; margin: 0; }

.cta-panel {
  border: 1px solid var(--orange); padding: clamp(32px, 6vw, 72px); position: relative;
  background: linear-gradient(135deg, rgba(255,90,31,.10), rgba(15,15,15,0) 60%);
}
.cta-panel::before, .cta-panel::after {
  content: ""; position: absolute; width: 22px; height: 22px; border: 2px solid var(--white);
}
.cta-panel::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.cta-panel::after { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }
.cta-panel h2 { max-width: 14ch; }
.cta-panel p { max-width: 52ch; color: var(--text-soft); margin-bottom: 28px; }

/* Contato */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.form { display: grid; gap: 16px; }
.field label { display: block; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey); margin-bottom: 8px; }
.field input[type="text"], .field input[type="email"] {
  width: 100%; background: var(--black); color: var(--white); border: 1px solid var(--line-strong);
  border-radius: 2px; padding: 14px 16px; font: inherit;
}
.field input::placeholder { color: var(--grey); }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .88rem; color: var(--text-soft); }
.check input { margin-top: 4px; accent-color: var(--orange); width: 18px; height: 18px; flex: none; }
.honey { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.form-msg { min-height: 1.4em; font-size: .92rem; margin: 0; }
.form-msg.ok { color: var(--white); }
.form-msg.err { color: var(--orange); }
.social { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-head); text-transform: uppercase; letter-spacing: .08em; border-bottom: 1px solid var(--orange); padding-bottom: 4px; }
.social:hover { color: var(--orange); }

/* Rodapé */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 40px; background: var(--black); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
.footer-brand .brand-logo { height: 40px; margin-bottom: 14px; }
.footer-brand p { color: var(--grey); font-size: .92rem; max-width: 40ch; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: flex-end; }
.footer-nav a { font-family: var(--font-head); text-transform: uppercase; letter-spacing: .1em; font-size: .92rem; color: var(--text-soft); }
.footer-nav a:hover { color: var(--orange); }
.copyright { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--grey); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }

/* Central de Materiais */
.page-hero { padding: calc(var(--header-h) + 80px) 0 56px; position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.6rem, 8vw, 5.6rem); font-weight: 700; margin-bottom: 18px; }
.page-hero .layer-grid { -webkit-mask-image: radial-gradient(ellipse at 80% 20%, #000, transparent 70%); mask-image: radial-gradient(ellipse at 80% 20%, #000, transparent 70%); }
.level { padding: 54px 0; border-bottom: 1px solid var(--line); }
.level:nth-of-type(even) { background: rgba(42, 42, 42, .35); }
.level-head { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: 26px; }
.level-num { font-family: var(--font-head); font-size: 3rem; color: var(--orange); line-height: 1; font-weight: 700; }
.level-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0; }
.level-head small { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey); }
.items { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.item {
  border: 1px solid var(--line-strong); padding: 24px; background: var(--black); display: flex; flex-direction: column; gap: 14px;
  transition: border-color .2s ease, transform .2s ease;
}
a.item:hover { border-color: var(--orange); transform: translateY(-3px); }
.item .type { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--grey); }
.item h3 { font-size: 1.15rem; margin: 0; }
.badge {
  align-self: flex-start; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 10px; border: 1px solid var(--line-strong); color: var(--grey); margin-top: auto;
}
.badge.on { border-color: var(--orange); color: var(--orange); }
.item.soon { opacity: .62; }

/* Animação de entrada */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .status-pill { display: none; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(15, 15, 15, .97); border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform .3s ease; z-index: -1;
  }
  .nav.open { transform: none; }
  .nav a { padding: 18px 24px; border-top: 1px solid var(--line); }
  .split, .contact, .footer-grid, .example { grid-template-columns: 1fr; gap: 32px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .principles { grid-template-columns: 1fr 1fr; }
  .modules { grid-template-columns: 1fr 1fr; }
  .footer-nav { justify-content: flex-start; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .section { padding: 80px 0; }
  .hero { padding-bottom: 210px; }
  .telemetry { grid-template-columns: 1fr; bottom: 20px; }
  .telemetry div { border-right: 0; border-bottom: 1px solid var(--line); padding: 10px 18px; }
  .telemetry div:last-child { border-bottom: 0; }
  .telemetry b { font-size: 1.5rem; }
  .cards, .principles, .modules, .methods { grid-template-columns: 1fr; }
  .contrast-list div { grid-template-columns: 1fr; gap: 6px; }
  .layer-logo img { width: 70vw; }
  .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .status-pill i { animation: none; }
  .layer, .photo-bg { transform: none !important; }
}