/* ==========================================================================
   Eger Advanced Systems — site institucional
   Identidade v5 (2026): Carbon / Slate / Line / Mute / Bone
   Acentos: Signal Teal, Electric Blue, Violet, Magenta, Amber
   Gradientes: Flux (marca), Pulse (firmware/processo), Forge (integrações)
   ========================================================================== */

:root {
  --carbon: #0B0E12;
  --slate: #151A21;
  --slate-2: #1A2029;
  --line: #242C36;
  --mute: #93A1B0;
  --bone: #F5F7FA;

  --teal: #00D3C4;
  --blue: #1E6BFF;
  --violet: #7A5CFF;
  --magenta: #FF3D8B;
  --amber: #FFB020;

  --flux: linear-gradient(120deg, #00D3C4, #1E6BFF);
  --pulse: linear-gradient(120deg, #7A5CFF, #FF3D8B);
  --forge: linear-gradient(120deg, #FF3D8B, #FFB020);
  --orbit: linear-gradient(120deg, #1E6BFF, #7A5CFF);

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --s1: 4px; --s2: 8px; --s3: 14px; --s4: 20px; --s5: 28px; --s6: 56px; --s7: 104px;
  --r-btn: 10px;
  --r-card: 16px;
  --container: 1200px;
  --gutter: 28px;
  --header-h: 68px;

  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--carbon);
  color: var(--bone);
  font: 400 17px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { margin: 0; font-weight: 900; letter-spacing: -.03em; line-height: 1.05; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
a { color: var(--teal); text-decoration: none; transition: color .18s var(--ease); }
a:hover { color: var(--bone); }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(30, 107, 255, .45); color: var(--bone); }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: var(--r-btn); background: var(--bone); color: var(--carbon); font-weight: 600; }
.skip-link:focus { top: 12px; color: var(--carbon); }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { position: relative; padding: var(--s7) 0; border-bottom: 1px solid var(--line); }
.section--tight { padding: 80px 0; }

/* ---------- tipografia ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 12.5px/1.5 var(--font-mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--mute);
}
.eyebrow::before { content: ""; flex: none; width: 18px; height: 2px; border-radius: 2px; background: var(--flux); }
.eyebrow--pulse::before { background: var(--pulse); }
.eyebrow--forge::before { background: var(--forge); }
.eyebrow--orbit::before { background: var(--orbit); }

.display { font-size: clamp(42px, 6.6vw, 84px); line-height: 1.02; }
.h2 { font-size: clamp(30px, 3.8vw, 48px); line-height: 1.05; }
.h3 { font-size: 21px; letter-spacing: -.02em; line-height: 1.2; }
.lede { font-size: clamp(17px, 1.5vw, 21px); line-height: 1.6; color: var(--mute); }
.muted { color: var(--mute); }
.mono { font-family: var(--font-mono); }

.t-flux, .t-pulse, .t-forge, .t-orbit { -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.t-flux { background-image: var(--flux); }
.t-pulse { background-image: var(--pulse); }
.t-forge { background-image: var(--forge); }
.t-orbit { background-image: var(--orbit); }

.section-head { max-width: 68ch; margin-bottom: var(--s6); }
.section-head .h2 { margin: 18px 0 18px; }
.section-head p:not(.eyebrow) { color: var(--mute); font-size: 18px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--split { max-width: none; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: var(--s6); align-items: end; }

/* ---------- marca ---------- */
.wing { width: 100%; height: auto; aspect-ratio: 62 / 27; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--bone); }
.brand:hover { color: var(--bone); }
.brand .wing { width: 44px; }
.brand__name { display: flex; flex-direction: column; line-height: 1; }
.brand__name b { font-weight: 900; font-size: 19px; letter-spacing: -.035em; }
.brand__name small { margin-top: 5px; font: 600 8.5px/1 var(--font-mono); letter-spacing: .26em; color: var(--mute); }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 13px 22px; border-radius: var(--r-btn);
  font: 600 15px/1 var(--font-sans); white-space: nowrap;
  transition: filter .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease), transform .18s var(--ease);
}
.btn svg { width: 16px; height: 16px; flex: none; transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--flux); color: #06090C; }
.btn--primary:hover { color: #06090C; filter: brightness(1.12); }
.btn--ghost { color: var(--bone); border: 1px solid var(--line); background: rgba(21, 26, 33, .5); }
.btn--ghost:hover { color: var(--bone); border-color: var(--teal); }
.btn--sm { min-height: 40px; padding: 10px 16px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s3); }

.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--bone); }
.link-arrow svg { width: 15px; height: 15px; transition: transform .2s var(--ease); }
.link-arrow:hover { color: var(--teal); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 18, .78);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(11, 14, 18, .9); }
.site-header__bar { display: flex; align-items: center; gap: 36px; height: var(--header-h); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link, .nav__trigger {
  display: inline-flex; align-items: center; gap: 6px;
  height: 40px; padding: 0 12px; border-radius: 8px;
  font-size: 15px; font-weight: 500; color: var(--mute);
  transition: color .18s var(--ease), background-color .18s var(--ease);
}
.nav__link:hover, .nav__trigger:hover, .nav__trigger[aria-expanded="true"] { color: var(--bone); background: rgba(36, 44, 54, .55); }
.nav__link[aria-current="page"] { color: var(--bone); }
.nav__trigger svg { width: 12px; height: 12px; transition: transform .2s var(--ease); }
.nav__trigger[aria-expanded="true"] svg { transform: rotate(180deg); }

.nav__item { position: relative; }
.mega {
  position: absolute; top: calc(100% + 12px); left: -20px; width: 560px;
  padding: 10px; border-radius: var(--r-card);
  background: rgba(21, 26, 33, .97); border: 1px solid var(--line);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .7);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility 0s linear .18s;
}
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.nav__item.is-open .mega { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mega a { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; padding: 14px; border-radius: 12px; color: var(--bone); }
.mega a:hover { background: var(--slate-2); color: var(--bone); }
.mega .wing { width: 40px; margin-top: 4px; }
.mega strong { display: block; font-weight: 800; font-size: 15.5px; letter-spacing: -.01em; }
.mega span { display: block; margin-top: 3px; font-size: 13.5px; line-height: 1.45; color: var(--mute); }

.site-header__cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.menu-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line); align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--bone); position: relative; transition: transform .2s var(--ease), background-color .2s var(--ease); }
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 49;
  padding: 24px 20px 40px; overflow-y: auto;
  background: var(--carbon);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility 0s linear .2s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mobile-nav p { margin: 8px 0 10px; font: 600 12px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
.mobile-nav a { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 19px; font-weight: 700; letter-spacing: -.02em; color: var(--bone); }
.mobile-nav .btn { margin-top: 28px; width: 100%; font-size: 16px; border-bottom: 0; justify-content: center; }
.mobile-nav .btn--primary { color: #06090C; }
body.menu-open { overflow: hidden; }

/* ---------- fundo técnico ---------- */
.tech-grid { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.tech-grid::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px; background-position: -1px -1px;
  opacity: .42;
  -webkit-mask-image: radial-gradient(110% 80% at 70% 10%, #000 0%, transparent 70%);
  mask-image: radial-gradient(110% 80% at 70% 10%, #000 0%, transparent 70%);
}
.glow { position: absolute; border-radius: 50%; pointer-events: none; }
.glow--blue { background: radial-gradient(circle, rgba(30, 107, 255, .32), transparent 62%); }
.glow--teal { background: radial-gradient(circle, rgba(0, 211, 196, .2), transparent 62%); }
.glow--violet { background: radial-gradient(circle, rgba(122, 92, 255, .24), transparent 62%); }
.glow--magenta { background: radial-gradient(circle, rgba(255, 61, 139, .18), transparent 62%); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 96px 0 88px; border-bottom: 1px solid var(--line); }
.hero .glow--blue { width: 820px; height: 820px; right: -260px; top: -360px; }
.hero .glow--teal { width: 620px; height: 620px; left: -280px; bottom: -380px; }
.hero__grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 56px; align-items: center; }
.hero .display { margin: 24px 0 0; max-width: 14ch; }
.hero .lede { margin: 26px 0 38px; max-width: 54ch; }

.facts { position: relative; z-index: 2; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 80px; }
.fact {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 10px;
  padding: 28px 28px 30px; border-radius: var(--r-card);
  border: 1px solid var(--line); background: rgba(21, 26, 33, .62);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.fact::before { content: ""; position: absolute; left: 28px; right: 28px; top: 0; height: 1px; background: var(--flux); opacity: .75; }
.fact:hover { border-color: #33404E; transform: translateY(-2px); }
.fact__icon { width: 44px; height: 44px; margin-bottom: 8px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--carbon); }
.fact__icon svg { width: 22px; height: 22px; }
.fact__tag { font: 600 11.5px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--teal); }
.fact h3 { font-size: 21px; letter-spacing: -.025em; line-height: 1.2; }
.fact p:last-child { font-size: 15px; line-height: 1.6; color: var(--mute); }

/* ---------- janela de IDE ---------- */
.ide {
  position: relative; margin: 0;
  border-radius: 14px; overflow: hidden;
  background: #0E1217; border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .02) inset;
}
.ide::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: var(--flux); opacity: .8; }
.ide__tabs { display: flex; gap: 2px; padding: 8px 8px 0; background: var(--slate); border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.ide__tabs::-webkit-scrollbar { display: none; }
.ide__tab {
  display: inline-flex; align-items: center; gap: 8px; flex: none;
  padding: 9px 14px 10px; border-radius: 8px 8px 0 0;
  font: 400 12.5px/1 var(--font-mono); color: var(--mute);
  border-bottom: 2px solid transparent;
}
.ide__tab i { width: 8px; height: 8px; border-radius: 2px; flex: none; }
.ide__tab:hover { color: var(--bone); }
.ide__tab[aria-selected="true"] { color: var(--bone); background: #0E1217; border-bottom-color: var(--teal); }
.ide__body { position: relative; min-height: 360px; }
.ide__panel { display: grid; grid-template-columns: auto minmax(0, 1fr); padding: 18px 0 20px; }
.ide__panel[hidden] { display: none; }
.ide__gutter { padding: 0 14px 0 18px; text-align: right; color: #3D4855; font: 400 13px/1.75 var(--font-mono); user-select: none; }
.ide pre { margin: 0; padding-right: 20px; overflow-x: auto; font: 400 13px/1.75 var(--font-mono); color: #C9D3DD; tab-size: 4; scrollbar-width: thin; }
.ide code { font: inherit; }
.ide__status { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 8px 16px; border-top: 1px solid var(--line); background: var(--slate); font: 400 11.5px/1.4 var(--font-mono); color: var(--mute); }
.ide__status span:first-child { color: var(--teal); }
.ide__status .ok::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); vertical-align: 1px; }

/* tokens de sintaxe (paleta da marca) */
.k { color: #A08CFF; }           /* palavra-chave */
.ty { color: #5EA0FF; }          /* tipo */
.fn { color: #F5F7FA; }          /* função */
.s { color: #00D3C4; }           /* string */
.n { color: #FFB020; }           /* número */
.c { color: #5F6B78; font-style: italic; } /* comentário */
.an { color: #FF6FA8; }          /* anotação / decorator */
.pr { color: #93C5FF; }          /* propriedade */

.hero__visual { position: relative; }
.hero__visual .glow--violet { width: 520px; height: 520px; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.hero__visual .ide { z-index: 1; }


/* ---------- cards de serviço ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.service-card {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column; gap: 16px;
  padding: 34px 30px 30px; border-radius: var(--r-card);
  background: var(--slate); border: 1px solid var(--line);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.service-card::before {
  content: ""; position: absolute; z-index: -1; width: 380px; height: 380px; right: -150px; top: -190px; border-radius: 50%;
  opacity: .0; transition: opacity .35s var(--ease);
}
.service-card--pulse::before { background: radial-gradient(circle, rgba(122, 92, 255, .35), transparent 65%); }
.service-card--flux::before { background: radial-gradient(circle, rgba(30, 107, 255, .35), transparent 65%); }
.service-card--forge::before { background: radial-gradient(circle, rgba(255, 61, 139, .3), transparent 65%); }
.service-card--orbit::before { background: radial-gradient(circle, rgba(122, 92, 255, .32), transparent 65%); }
.service-card:hover { border-color: #33404E; transform: translateY(-3px); }
.service-card:hover::before { opacity: 1; }
.service-card .wing { width: 58px; margin-bottom: 10px; }
.service-card .eyebrow::before { display: none; }
.service-card h3 { font-size: 26px; letter-spacing: -.03em; }
.service-card > p:not(.eyebrow) { color: var(--mute); font-size: 15.5px; }
.checklist { list-style: none; display: grid; gap: 9px; font-size: 14.5px; color: #C3CDD7; }
.checklist li { position: relative; padding-left: 22px; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .62em; width: 10px; height: 2px; border-radius: 2px; background: var(--flux); }
.service-card--pulse .checklist li::before { background: var(--pulse); }
.service-card--forge .checklist li::before { background: var(--forge); }
.service-card--orbit .checklist li::before, .checklist--orbit li::before { background: var(--orbit); }
.service-card .link-arrow { margin-top: auto; padding-top: 12px; }
.service-card .link-arrow::after { content: ""; position: absolute; inset: 0; }

/* ---------- explorador de stack ---------- */
.stack { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 20px; }
.stack__list { list-style: none; display: grid; gap: 8px; align-content: start; }
.stack__tab {
  width: 100%; display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: 12px;
  padding: 16px 18px; border-radius: 12px; text-align: left;
  border: 1px solid var(--line); background: transparent; color: var(--mute);
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.stack__tab .idx { font: 600 12px/1 var(--font-mono); letter-spacing: .08em; color: #4A5664; }
.stack__tab strong { font-size: 16px; font-weight: 700; letter-spacing: -.01em; color: inherit; }
.stack__tab svg { width: 14px; height: 14px; opacity: 0; transition: opacity .2s var(--ease), transform .2s var(--ease); }
.stack__tab:hover { color: var(--bone); border-color: #33404E; }
.stack__tab[aria-selected="true"] { color: var(--bone); background: var(--slate); border-color: #33404E; }
.stack__tab[aria-selected="true"] .idx { background: var(--pulse); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stack__tab[aria-selected="true"] svg { opacity: 1; }

.stack__panel { position: relative; overflow: hidden; padding: 40px; border-radius: var(--r-card); background: var(--slate); border: 1px solid var(--line); }
.stack__panel[hidden] { display: none; }
.stack__panel .glow { width: 460px; height: 460px; right: -200px; bottom: -240px; }
.stack__panel > :not(.glow) { position: relative; }
.stack__panel h3 { font-size: clamp(24px, 2.4vw, 32px); margin: 16px 0 14px; }
.stack__panel > p:not(.eyebrow) { color: var(--mute); max-width: 60ch; }
.stack__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 30px; padding-top: 28px; border-top: 1px solid var(--line); }
.stack__cols h4 { margin-bottom: 14px; font: 600 12px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border-radius: 999px; border: 1px solid var(--line); background: rgba(11, 14, 18, .5); font: 600 13px/1 var(--font-mono); color: #C3CDD7; }
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.chip--violet::before { background: var(--violet); }
.chip--magenta::before { background: var(--magenta); }
.chip--amber::before { background: var(--amber); }
.chip--blue::before { background: var(--blue); }

/* ---------- modelos de contratação ---------- */
.engage-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; }
.engage { display: flex; flex-direction: column; gap: 14px; padding: 32px 28px; background: var(--carbon); transition: background-color .25s var(--ease); }
.engage:hover { background: #0F1318; }
.engage__icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--slate); }
.engage__icon svg { width: 22px; height: 22px; }
.engage h3 { font-size: 20px; letter-spacing: -.02em; }
.engage p { font-size: 15px; color: var(--mute); }
.engage small { margin-top: auto; padding-top: 10px; font: 600 11.5px/1.5 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: #6B7988; }

/* ---------- setores ---------- */
.sector-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; }
.sector { grid-column: span 3; display: flex; flex-direction: column; gap: 12px; padding: 28px; border-radius: var(--r-card); border: 1px solid var(--line); background: linear-gradient(180deg, var(--slate) 0%, rgba(21, 26, 33, .35) 100%); }
.sector:nth-child(n+5) { grid-column: span 4; }
.sector .idx { font: 600 12px/1 var(--font-mono); letter-spacing: .1em; color: var(--teal); }
.sector h3 { font-size: 20px; letter-spacing: -.02em; }
.sector p { font-size: 15px; color: var(--mute); }

/* ---------- processo ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; counter-reset: step; }
.step { position: relative; padding: 34px 28px 32px; background: var(--carbon); }
.step__n { font: 600 13px/1 var(--font-mono); letter-spacing: .1em; }
.step h3 { margin: 18px 0 10px; font-size: 19px; letter-spacing: -.02em; }
.step p { font-size: 15px; color: var(--mute); }
.step__out { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); font: 400 12.5px/1.5 var(--font-mono); color: #8391A0; }
.step__out b { color: var(--bone); font-weight: 600; }

/* ---------- princípios ---------- */
.principles { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s6); align-items: start; }
.quote { position: relative; padding-left: 28px; font-size: clamp(24px, 3vw, 36px); font-weight: 800; letter-spacing: -.03em; line-height: 1.18; }
.quote::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; border-radius: 3px; background: var(--flux); }
.principle-list { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); }
.principle-list li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.principle-list .idx { font: 600 12px/1.9 var(--font-mono); color: #4A5664; }
.principle-list h3 { font-size: 18px; letter-spacing: -.02em; margin-bottom: 6px; }
.principle-list p { font-size: 15px; color: var(--mute); }

/* ---------- FAQ ---------- */
.faq { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: var(--s6); align-items: start; }
.faq__list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 0; cursor: pointer; list-style: none;
  font-size: 18px; font-weight: 700; letter-spacing: -.015em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 12px; height: 12px;
  background: linear-gradient(var(--mute), var(--mute)) center / 12px 2px no-repeat, linear-gradient(var(--mute), var(--mute)) center / 2px 12px no-repeat;
  transition: transform .2s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--teal); }
.faq details p { padding: 0 40px 24px 0; color: var(--mute); font-size: 16px; }

/* ---------- contato ---------- */
.contact { position: relative; overflow: hidden; }
.contact .glow--blue { width: 900px; height: 900px; left: 50%; top: -420px; transform: translateX(-50%); }
.contact__grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--s6); align-items: start; }
.contact h2 { font-size: clamp(34px, 4.6vw, 58px); margin: 18px 0 22px; }
.contact-actions { list-style: none; display: grid; gap: 12px; margin-top: 34px; }
.contact-action {
  display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: 16px;
  padding: 14px 18px 14px 14px; border-radius: 14px;
  border: 1px solid var(--line); background: rgba(21, 26, 33, .72); color: var(--bone);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.contact-action:hover { color: var(--bone); border-color: var(--teal); background: rgba(21, 26, 33, .95); }
.contact-action__icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; border: 1px solid var(--line); background: var(--carbon); color: var(--teal); }
.contact-action__icon svg { width: 22px; height: 22px; }
.contact-action strong { display: block; font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.contact-action small { display: block; margin-top: 2px; font-size: 13.5px; color: var(--mute); }
.contact-action__arrow { width: 15px; height: 15px; color: var(--mute); transition: transform .2s var(--ease), color .2s var(--ease); }
.contact-action:hover .contact-action__arrow { transform: translateX(3px); color: var(--teal); }
.contact__note { margin-top: 18px; font: 600 11.5px/1.5 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: #6B7988; }

.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 32px; border-radius: var(--r-card); background: rgba(21, 26, 33, .85); border: 1px solid var(--line); }
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font: 600 11.5px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; border-radius: var(--r-btn);
  border: 1px solid var(--line); background: var(--carbon); color: var(--bone);
  font: 400 16px/1.4 var(--font-sans);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%2393A1B0' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 12px; padding-right: 38px; }
.field input::placeholder, .field textarea::placeholder { color: #56626F; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0, 211, 196, .15); }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--magenta); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 6px; }
.form__foot p { font-size: 13px; color: var(--mute); max-width: 44ch; }
.form__status { grid-column: 1 / -1; min-height: 1.4em; font-size: 14px; color: var(--teal); }

/* ---------- CTA final (páginas internas) ---------- */
.cta-band { position: relative; overflow: hidden; padding: 112px 0; text-align: center; border-bottom: 1px solid var(--line); }
.cta-band .glow--blue { width: 900px; height: 900px; left: 50%; top: -480px; transform: translateX(-50%); }
.cta-band .wrap { position: relative; z-index: 2; }
.cta-band h2 { font-size: clamp(32px, 4.6vw, 58px); max-width: 20ch; margin: 0 auto 20px; }
.cta-band p { color: var(--mute); max-width: 52ch; margin: 0 auto 34px; }
.cta-band .btn-row { justify-content: center; }

/* ---------- páginas internas ---------- */
.page-hero { position: relative; overflow: hidden; padding: 72px 0 80px; border-bottom: 1px solid var(--line); }
.page-hero .glow { width: 760px; height: 760px; right: -240px; top: -340px; }
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 56px; align-items: center; }
.page-hero h1 { font-size: clamp(38px, 5.6vw, 72px); margin: 22px 0 24px; max-width: 16ch; }
.page-hero .lede { max-width: 58ch; margin-bottom: 36px; }
.page-hero__mark { justify-self: center; width: min(100%, 340px); filter: drop-shadow(0 30px 60px rgba(30, 107, 255, .25)); }

.breadcrumb { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; font: 600 12px/1.4 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: #6B7988; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #3D4855; }
.breadcrumb a { color: var(--mute); }
.breadcrumb a:hover { color: var(--bone); }
.breadcrumb [aria-current] { color: var(--bone); }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature { display: flex; flex-direction: column; gap: 12px; padding: 28px; border-radius: var(--r-card); border: 1px solid var(--line); background: var(--slate); }
.feature .idx { font: 600 12px/1 var(--font-mono); letter-spacing: .1em; }
.feature h3 { font-size: 19px; letter-spacing: -.02em; }
.feature p { font-size: 15px; color: var(--mute); }

.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s6); align-items: start; }
.panel { padding: 32px; border-radius: var(--r-card); border: 1px solid var(--line); background: var(--slate); }
.panel h3 { margin-bottom: 18px; font-size: 20px; letter-spacing: -.02em; }
.panel .checklist { font-size: 15.5px; gap: 12px; }

.prose { max-width: 72ch; }
.prose h2 { font-size: clamp(24px, 2.6vw, 32px); margin: 48px 0 16px; }
.prose h3 { font-size: 19px; letter-spacing: -.02em; margin: 30px 0 10px; }
.prose p, .prose li { color: #C3CDD7; font-size: 16.5px; }
.prose p + p { margin-top: 14px; }
.prose ul { margin: 12px 0; padding-left: 22px; display: grid; gap: 8px; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- footer ---------- */
.site-footer { padding: 72px 0 40px; font-size: 14.5px; color: var(--mute); }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--line); }
.footer__about p { margin-top: 18px; max-width: 36ch; }
.footer__col h2 { margin-bottom: 16px; font: 600 11.5px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--bone); }
.footer__col ul { list-style: none; display: grid; gap: 10px; }
.footer__col a { color: var(--mute); }
.footer__col a:hover { color: var(--bone); }
.footer__bottom { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; padding-top: 28px; font-size: 13.5px; }
.footer__bottom a { color: var(--mute); }
.footer__bottom a:hover { color: var(--bone); }

/* ---------- 404 ---------- */
.not-found { position: relative; overflow: hidden; min-height: calc(100vh - var(--header-h)); min-height: calc(100svh - var(--header-h)); display: grid; place-items: center; padding: 80px 0; text-align: center; }
.not-found .wrap { position: relative; z-index: 2; }
.not-found .code { font: 600 13px/1 var(--font-mono); letter-spacing: .14em; color: var(--mute); }
.not-found h1 { font-size: clamp(40px, 6vw, 76px); margin: 22px auto 20px; max-width: 16ch; }
.not-found p { color: var(--mute); max-width: 46ch; margin: 0 auto 34px; }
.not-found .btn-row { justify-content: center; }

/* ---------- animação de entrada ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: .08s; }
.js .reveal[data-delay="2"] { transition-delay: .16s; }
.js .reveal[data-delay="3"] { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- responsivo ---------- */
@media (max-width: 1100px) {
  .nav__link--hide-md { display: none; }
  .engage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  :root { --gutter: 24px; }
  .section { padding: 84px 0; }
  .hero { padding: 72px 0 72px; }
  .hero__grid, .page-hero__grid { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .hero .display { max-width: 16ch; }
  .page-hero__mark { display: none; }
  .service-grid { grid-template-columns: minmax(0, 1fr); }
  .stack { grid-template-columns: minmax(0, 1fr); }
  .stack__list { grid-auto-flow: column; grid-auto-columns: max-content; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
  .stack__list::-webkit-scrollbar { display: none; }
  .stack__tab svg { display: none; }
  .stack__tab { grid-template-columns: auto auto; gap: 10px; white-space: nowrap; padding: 14px 16px; }
  .sector-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sector, .sector:nth-child(n+5) { grid-column: auto; }
  .sector:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .principles, .faq, .contact__grid, .two-col, .section-head--split { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__about { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav, .site-header__cta .btn { display: none; }
  .menu-toggle { display: inline-flex; }
}

@media (max-width: 640px) {
  :root { --gutter: 20px; --header-h: 62px; }
  body { font-size: 16px; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head p:not(.eyebrow) { font-size: 16.5px; }
  .hero { padding: 52px 0 60px; }
  .hero .lede { margin: 22px 0 30px; }
  .hero .btn-row .btn { flex: 1 1 100%; }
  .facts { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-top: 56px; }
  .fact { padding: 24px 22px 26px; }
  .ide__body { min-height: 334px; }
  .ide pre, .ide__gutter { font-size: 12px; }
  .ide__gutter { padding: 0 10px 0 12px; }
  .service-card { padding: 28px 22px 24px; }
  .stack__panel { padding: 28px 22px; }
  .stack__cols { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .engage-grid, .steps, .sector-grid, .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .sector:last-child:nth-child(odd) { grid-column: auto; }
  .form { grid-template-columns: minmax(0, 1fr); padding: 22px; }
  .form__foot .btn { width: 100%; }
  .faq summary { font-size: 16.5px; }
  .faq details p { padding-right: 0; }
  .cta-band { padding: 80px 0; }
  .cta-band .btn-row .btn { flex: 1 1 100%; }
  .page-hero { padding: 48px 0 60px; }
  .panel { padding: 24px 22px; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media print {
  .site-header, .mobile-nav, .glow, .tech-grid, .form { display: none !important; }
  body { background: #fff; color: #000; }
}

/* ---------- fluxo de dados (integração com cloud) ---------- */
.flow { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; counter-reset: flow; }
.flow li { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 22px 20px; border-radius: 14px; border: 1px solid var(--line); background: var(--slate); }
.flow li:not(:last-child)::after {
  content: ""; position: absolute; z-index: 2; right: -12px; top: 50%; width: 10px; height: 10px;
  border-top: 2px solid var(--amber); border-right: 2px solid var(--amber); transform: translateY(-50%) rotate(45deg);
}
.flow .idx { font: 600 11.5px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); }
.flow strong { font-size: 16.5px; font-weight: 800; letter-spacing: -.015em; }
.flow span:last-child { font-size: 13.5px; line-height: 1.5; color: var(--mute); }

/* ---------- comparação de plataformas ---------- */
.compare { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.compare .feature h3 { font-size: 21px; }
.compare dl { margin: 6px 0 0; display: grid; gap: 10px; }
.compare dt { font: 600 11px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: #6B7988; }
.compare dd { margin: 0 0 6px; font-size: 14.5px; color: #C3CDD7; }

.related-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

@media (max-width: 980px) {
  .flow { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .flow li:not(:last-child)::after { right: auto; left: 28px; top: auto; bottom: -11px; transform: rotate(135deg); }
  .compare { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .related-grid { grid-template-columns: minmax(0, 1fr); }
}
.panel .step h3 { margin: 14px 0 8px; font-size: 18px; }

/* ---------- faixa de clientes (marquee infinito) ---------- */
.clients { padding: 44px 0 48px; border-bottom: 1px solid var(--line); overflow: hidden; }
.clients .eyebrow { display: flex; justify-content: center; margin-bottom: 26px; font-size: 12.5px; letter-spacing: .14em; font-weight: 600; }
.clients .eyebrow::before { display: none; }
.marquee {
  --marquee-speed: 38s;
  display: flex; overflow: hidden; user-select: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}
.marquee__track {
  list-style: none; flex: none; min-width: 100%;
  display: flex; align-items: center; justify-content: space-around;
  animation: marquee var(--marquee-speed) linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track li {
  position: relative; flex: none; display: flex; align-items: center; gap: 44px;
  padding-right: 44px; white-space: nowrap;
  font-size: clamp(20px, 2.3vw, 28px); font-weight: 800; letter-spacing: -.025em; line-height: 1.3;
  color: #6B7988; transition: color .25s var(--ease);
}
.marquee__track li:hover { color: var(--bone); }
/* separador: a asa da marca em miniatura */
.marquee__track li::after {
  content: ""; width: 26px; height: 11px; flex: none; opacity: .55;
  background: var(--flux);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='1 20 62 27'%3E%3Cpath d='M32 21 L2 40 L12 45.5 L22 38.5 L32 46 L42 38.5 L52 45.5 L62 40 Z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='1 20 62 27'%3E%3Cpath d='M32 21 L2 40 L12 45.5 L22 38.5 L32 46 L42 38.5 L52 45.5 L62 40 Z'/%3E%3C/svg%3E") center / contain no-repeat;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }

@media (prefers-reduced-motion: reduce) {
  .marquee { -webkit-mask-image: none; mask-image: none; }
  .marquee__track { animation: none; flex-wrap: wrap; justify-content: center; row-gap: 12px; min-width: 0; width: 100%; padding: 0 var(--gutter); }
  .marquee__track[aria-hidden="true"] { display: none; }
}

/* ---------- hardware em parceria ---------- */
.hw { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s6); align-items: center; }
.chain { list-style: none; position: relative; display: grid; gap: 12px; }
.chain::before { content: ""; position: absolute; left: 47px; top: 28px; bottom: 28px; width: 1px; background: linear-gradient(var(--amber), var(--blue)); opacity: .5; }
.chain__item {
  position: relative; display: grid; grid-template-columns: 96px minmax(0, 1fr); align-items: center; gap: 18px;
  padding: 16px 20px 16px 0; border-radius: 14px; border: 1px solid var(--line); background: var(--slate);
}
.chain__who {
  justify-self: center; z-index: 1; padding: 6px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--carbon);
  font: 600 11px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--teal);
}
.chain__item strong { display: block; font-size: 17px; font-weight: 800; letter-spacing: -.015em; }
.chain__item div span { display: block; margin-top: 2px; font-size: 14.5px; color: var(--mute); }
.chain__item--partner { border-color: rgba(255, 176, 32, .45); background: linear-gradient(90deg, rgba(255, 176, 32, .08), var(--slate) 60%); }
.chain__item--partner .chain__who { color: var(--amber); border-color: rgba(255, 176, 32, .45); }

@media (max-width: 980px) {
  .hw { grid-template-columns: minmax(0, 1fr); gap: 40px; }
}
@media (max-width: 640px) {
  .clients { padding: 34px 0 38px; }
  .marquee { --marquee-speed: 26s; }
  .marquee__track li { gap: 28px; padding-right: 28px; }
  .chain__item { grid-template-columns: 84px minmax(0, 1fr); gap: 12px; }
  .chain::before { left: 41px; }
}