:root {
  --bg: #edf0f2;
  --surface: #ffffff;
  --ink: #12202e;
  --muted: #465868;
  --line: #c6cfd7;
  --accent: #123a5e;
  --band: #123a5e;
  --band-ink: #f4f7fa;
  --band-muted: #b9c9d9;
  --signal: #f98a06;
  --signal-ink: #12202e;
  --deep: #07182a;
  --focus: #0b5cad;
  --display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --text: "Barlow", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1824;
    --surface: #14263a;
    --ink: #e7edf2;
    --muted: #a3b3c2;
    --line: #27394c;
    --accent: #8dbbea;
    --band: #0a2238;
    --focus: #8dbbea;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1824;
  --surface: #14263a;
  --ink: #e7edf2;
  --muted: #a3b3c2;
  --line: #27394c;
  --accent: #8dbbea;
  --band: #0a2238;
  --focus: #8dbbea;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
:root {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
html { scroll-padding-top: calc(env(safe-area-inset-top, 0px) + 84px); scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0;
  margin: 0;
}
p { margin: 0 0 1em; max-width: 62ch; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: min(1160px, 100% - 2.5rem); margin-inline: auto; }
section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }

/* Entrance animation */
.splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: var(--deep);
  animation: splash-out 0.6s ease 3.4s forwards;
}
.splash svg { width: min(80vw, 560px); height: auto; overflow: visible; }
.s-plate { opacity: 0; transform-box: fill-box; transform-origin: center; animation: plate-in 0.6s ease 0.1s forwards; }
.s-swirl { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 0.9s ease 0.4s forwards; }
.s-crescent { opacity: 0; transform-origin: 73px 76px; animation: sweep 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) 0.9s forwards; }
.s-pupil { transform-box: fill-box; transform-origin: center; transform: scale(0); animation: pop 0.55s cubic-bezier(0.3, 1.5, 0.5, 1) 1.1s forwards; }
.s-shine { opacity: 0; animation: fade 0.4s ease 1.6s forwards; }
.s-jcf { opacity: 0; transform: translateX(36px); animation: slide 0.6s ease 1.5s forwards; }
.s-tech { opacity: 0; transform: translateY(14px); animation: rise 0.5s ease 2s forwards; }
@keyframes plate-in { from { opacity: 0; transform: scale(0.6); } to { opacity: 1; transform: scale(1); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes sweep { from { opacity: 0; transform: rotate(-70deg); } to { opacity: 1; transform: rotate(0); } }
@keyframes pop { to { transform: scale(1); } }
@keyframes fade { to { opacity: 0.4; } }
@keyframes slide { to { opacity: 1; transform: translateX(0); } }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@keyframes splash-out { to { opacity: 0; visibility: hidden; } }
@media (prefers-reduced-motion: reduce) { .splash { display: none; } }

/* Logo */
.logo { display: block; height: 52px; width: auto; }
.logo-sm { height: 44px; }
@media (max-width: 760px) { .logo { height: 44px; } }

/* Header */
.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: var(--deep);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 2rem;
  padding: 0.75rem 0;
}
.brand { display: flex; align-items: center; margin-right: auto; text-decoration: none; }
nav ul { display: flex; gap: 1.5rem; }
nav a {
  color: #e7edf2;
  text-decoration: none;
  font-weight: 500;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
nav a:hover { border-bottom-color: var(--signal); }
.site-header a:focus-visible { outline-color: #f98a06; }

.btn {
  display: inline-block;
  font: 600 1rem/1 var(--text);
  padding: 0.95rem 1.4rem;
  border-radius: 4px;
  border: 2px solid var(--ink);
  text-decoration: none;
  cursor: pointer;
  color: var(--ink);
  background: transparent;
}
.btn-primary { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.btn-primary:hover { filter: brightness(0.94); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.header-cta { padding: 0.7rem 1.1rem; }

@media (max-width: 760px) {
  nav { order: 3; width: 100%; overflow-x: auto; }
  nav ul { gap: 1.25rem; white-space: nowrap; }
}

/* Hero */
.hero { padding-top: clamp(2.5rem, 6vw, 5rem); }
.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 940px) { .hero-grid { grid-template-columns: 1.05fr 0.95fr; } }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); max-width: 14ch; }
.lead { font-size: 1.2rem; color: var(--muted); margin-top: 1.4rem; max-width: 52ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }

.line-panel {
  background: #0f2a44;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.line-panel svg { display: block; width: 100%; height: auto; }
.panel-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1rem;
  background: #0a2036;
  color: #b9c9d9;
  font-size: 0.875rem;
}
.panel-foot button {
  font: 500 0.875rem/1 var(--text);
  color: #f4f7fa;
  background: transparent;
  border: 1px solid #5b7894;
  border-radius: 4px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
  flex: none;
}
.panel-foot button:hover { background: rgba(255, 255, 255, 0.1); }
.panel-foot button:focus-visible { outline-color: #f98a06; }

/* Facts */
.facts { padding: 0; border-block: 1px solid var(--line); }
.facts dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin: 0; }
.facts div { padding: 1.6rem 1.5rem 1.6rem 0; }
.facts dt { font-family: var(--display); font-weight: 600; font-size: 1.6rem; line-height: 1.1; }
.facts dd { margin: 0.2rem 0 0; color: var(--muted); }

/* Section heads */
.section-head { margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section-head h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); max-width: 20ch; }
.section-head p { color: var(--muted); margin-top: 1rem; }

/* Services */
.service {
  display: grid;
  gap: 1rem 3rem;
  grid-template-columns: 1fr;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}
.service:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 860px) { .service { grid-template-columns: 0.8fr 1.2fr; } }
.service h3 { font-size: 1.9rem; }
.service ul { display: grid; gap: 0.5rem 2rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 1rem; }
.service li { padding-left: 1.1rem; position: relative; }
.service li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--signal);
}

/* Optiflow band */
.band { background: var(--band); color: var(--band-ink); }
.band a { color: var(--signal); }
.band a.btn-primary { color: var(--signal-ink); }
.band-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; }
@media (min-width: 900px) { .band-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.band h2 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
.band p { color: var(--band-muted); }
.band .lead { color: var(--band-ink); font-size: 1.2rem; margin-top: 1.2rem; }
.principles { border-top: 1px solid rgba(255, 255, 255, 0.22); }
.principles li { padding: 1.1rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.22); }
.principles strong { display: block; font-family: var(--display); font-size: 1.45rem; font-weight: 600; line-height: 1.15; }
.principles span { color: var(--band-muted); font-size: 0.98rem; }
.principles-title { font-family: var(--display); font-size: 1.5rem; font-weight: 600; margin-bottom: 0.4rem; }

/* Segments */
.segments { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; margin: 0; border-top: 1px solid var(--line); }
.segments div { padding: 1.5rem 1.5rem 1.5rem 0; border-bottom: 1px solid var(--line); }
.segments dt { font-family: var(--display); font-size: 1.5rem; font-weight: 600; line-height: 1.15; }
.segments dd { margin: 0.35rem 0 0; color: var(--muted); font-size: 1rem; }

/* About */
.about-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.mvv { margin: 0; }
.mvv div { padding: 1.2rem 0; border-top: 1px solid var(--line); }
.mvv div:last-child { border-bottom: 1px solid var(--line); }
.mvv dt { font-family: var(--display); font-size: 1.5rem; font-weight: 600; }
.mvv dd { margin: 0.25rem 0 0; color: var(--muted); }
.diffs { display: grid; gap: 1.2rem; margin-top: 1.5rem; }
.diffs strong { font-family: var(--display); font-size: 1.3rem; font-weight: 600; display: block; line-height: 1.2; }
.diffs span { color: var(--muted); }

/* Contact */
.contact { background: var(--surface); border-top: 1px solid var(--line); }
.contact-grid { display: grid; gap: 3rem; grid-template-columns: 1fr; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 0.9fr 1.1fr; gap: 4rem; } }
.contact h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); max-width: 14ch; }
.contact-list { margin-top: 1.8rem; display: grid; gap: 1.2rem; }
.contact-list dt { font-weight: 600; }
.contact-list dd { margin: 0.1rem 0 0; color: var(--muted); }
.contact-list { margin-bottom: 0; }
form { display: grid; gap: 1.1rem; }
label { display: grid; gap: 0.35rem; font-weight: 500; }
input, textarea, select {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: 4px;
  padding: 0.8rem 0.9rem;
  width: 100%;
}
input:hover, textarea:hover, select:hover { border-color: var(--muted); }
textarea { min-height: 8rem; resize: vertical; }
.form-row { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 600px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form-note { color: var(--muted); font-size: 0.95rem; margin: 0; }

footer { padding: 2rem 0; background: var(--deep); color: #b9c9d9; font-size: 0.95rem; }
footer a:focus-visible { outline-color: #f98a06; }
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; }
footer p { margin: 0; max-width: none; }

.skip { position: absolute; left: -999px; top: 0; background: var(--signal); color: var(--signal-ink); padding: 0.6rem 1rem; z-index: 50; }
.skip:focus { left: 0.5rem; top: calc(env(safe-area-inset-top, 0px) + 0.5rem); }

/* Interações */
.progress { position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; height: 3px; z-index: 40; background: var(--signal); transform: scaleX(0); transform-origin: left; pointer-events: none; }
.theme-toggle { display: grid; place-items: center; width: 40px; height: 40px; border: 1.5px solid rgba(255, 255, 255, 0.35); border-radius: 4px; background: transparent; color: #e7edf2; cursor: pointer; transition: background 0.15s ease; }
.theme-toggle:hover { background: rgba(255, 255, 255, 0.12); }
.theme-toggle svg { transition: transform 0.4s ease; }
:root[data-theme="dark"] .theme-toggle svg { transform: rotate(180deg); }
.logo { transition: height 0.25s ease; }
.site-header { transition: box-shadow 0.25s ease; }
.site-header.scrolled { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25); }
.site-header.scrolled .logo { height: 38px; }
.btn { transition: transform 0.15s ease, background 0.15s ease, filter 0.15s ease, color 0.15s ease; }
.btn:hover { transform: translateY(-2px); }
.segments dt { transition: color 0.2s ease; }
.segments div:hover dt { color: var(--accent); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
img.fade { opacity: 0; transition: opacity 0.5s ease; }
img.fade.loaded { opacity: 1; }
.wa-float { position: fixed; right: 1rem; bottom: calc(env(safe-area-inset-bottom, 0px) + 1rem); z-index: 30; display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.1rem; border-radius: 999px; background: #25d366; color: #07182a; font-weight: 600; text-decoration: none; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3); transition: transform 0.15s ease; }
.wa-float:hover { transform: translateY(-3px); }
@media (max-width: 520px) { .wa-float span { display: none; } .wa-float { padding: 0.9rem; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .wa-float, .logo, .theme-toggle svg { transition: none; }
}

/* Detalhes expansíveis e troca de tema */
.more { margin-top: 1.2rem; }
.more summary { cursor: pointer; font-weight: 600; color: var(--accent); }
.more[open] summary { margin-bottom: 0.8rem; }
.more p { color: var(--muted); }
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
.theme-anim, .theme-anim * { transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease !important; }

/* Utilitários (substituem estilos inline, para permitir CSP estrita) */
.defs-svg { position: absolute; }
.mt-10 { margin-top: 1rem; }
.mt-12 { margin-top: 1.2rem; }
.small { font-size: 0.98rem; }
.muted { color: var(--muted); }
.no-top { padding-top: 0; }
.section-head.tight { margin-bottom: 1.5rem; }