/* rna-site — landing do RNA OS. Direção: 21st.dev (contenção, whitespace, credibilidade
   por número) sobre a identidade RNA ([PROFILES]/rna-group). SF Pro em tudo (ordem do
   owner, 20/08); dígito e prova em feição tabular. */

@font-face { font-family: 'SF Pro Display'; src: url('fonts/SF-Pro-Display-Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'SF Pro Display'; src: url('fonts/SF-Pro-Display-Bold.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'SF Pro Text'; src: url('fonts/SF-Pro-Text-Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'SF Pro Text'; src: url('fonts/SF-Pro-Text-Semibold.woff2') format('woff2'); font-weight: 600; font-display: swap; }

:root {
  --paper: #FAFAF9;
  --card: #FFFFFF;
  --ink: #1A1A1A;
  --muted: #626F69;
  --faint: #8A938C;
  --line: #E5E7E3;
  --green: #33423B;
  --green-ink: #24312B;
  --dark: #141414;
  --dark-2: #1E1F1E;
  --offwhite: #ECEEEF;
  --display: 'SF Pro Display', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --text: 'SF Pro Text', -apple-system, 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.num { font-variant-numeric: tabular-nums; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.015em; text-wrap: balance; }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.12; }
.eyebrow {
  font-family: var(--text); font-weight: 600; font-size: 12.5px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint);
}
em { font-style: italic; }

/* ── header ─────────────────────────────────────────────────────────── */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(20, 20, 20, 0.86);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--offwhite);
}
.topRow {
  height: 64px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; margin-right: auto; }
.brand .logoImg { height: 21px; width: auto; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a:not(.btn) {
  font-size: 14px; font-weight: 400; color: rgba(236, 238, 239, 0.78);
  line-height: 64px; transition: color 0.15s ease;
}
.nav a:not(.btn):hover { color: #FFFFFF; }
.nav a.quiet { color: rgba(236, 238, 239, 0.6); }
.nav .btnCta { color: var(--dark); padding: 9px 18px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--text); font-weight: 600; font-size: 14.5px;
  border-radius: 10px; padding: 10px 20px; line-height: 1.2;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
  cursor: pointer; border: 0;
}
.btn:active { transform: translateY(1px); }
.btnCta {
  background: #FFFFFF; color: var(--dark);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 8px 24px rgba(0, 0, 0, 0.35);
}
.btnCta:hover { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.24), 0 10px 30px rgba(0, 0, 0, 0.45); transform: translateY(-1px); }
.btnGreen { background: var(--green); color: #FFFFFF; }
.btnGreen:hover { background: var(--green-ink); transform: translateY(-1px); }
.btnGhost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.btnGhost:hover { box-shadow: inset 0 0 0 1px var(--faint); }

/* ── hero (dark) ────────────────────────────────────────────────────── */
.hero {
  background:
    radial-gradient(1200px 520px at 78% -10%, rgba(98, 111, 105, 0.34), transparent 62%),
    radial-gradient(900px 420px at 8% 110%, rgba(51, 66, 59, 0.5), transparent 60%),
    linear-gradient(180deg, #171717, var(--dark));
  color: var(--offwhite);
  padding: 148px 0 96px;
  position: relative; overflow: hidden;
}
.hero .mark {
  position: absolute; right: -120px; top: -80px; width: 520px; opacity: 0.05;
  pointer-events: none;
}
.heroGrid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 {
  font-size: clamp(36px, 5vw, 56px); line-height: 1.06; letter-spacing: -0.02em;
  margin-bottom: 20px; color: #FFFFFF;
}
.hero .sub { font-size: 18px; line-height: 1.6; color: rgba(236, 238, 239, 0.75); max-width: 46ch; margin-bottom: 30px; }
.hero .ctas { display: flex; gap: 14px; align-items: center; }
.hero .ctas .hint { font-size: 13px; color: rgba(236, 238, 239, 0.5); }

/* screenshot real do OS na moldura de navegador */
.shot {
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.08);
  background: #F0F1F0;
}
.shotBar {
  display: flex; align-items: center; gap: 6px;
  background: #232423; padding: 10px 14px;
}
.shotBar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); }
.shotBar span {
  margin: 0 auto; font-size: 11.5px; color: rgba(236, 238, 239, 0.45);
  background: rgba(255, 255, 255, 0.06); border-radius: 6px; padding: 2px 14px;
}
.shot img, .shot video { width: 100%; height: auto; display: block; }
.shot figcaption {
  font-size: 11.5px; color: rgba(236, 238, 239, 0.5);
  padding: 10px 4px 0; text-align: right; background: transparent;
}

/* painel ilustrativo do OS */
.panel {
  background: #F4F5F4; color: var(--ink);
  border-radius: 18px; padding: 20px 20px 14px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.panel .pHead { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.panel .pHead .pt { font-family: var(--display); font-weight: 700; font-size: 14px; letter-spacing: 0.05em; }
.panel .pHead .pm { font-size: 11.5px; color: var(--faint); }
.pKpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 10px; }
.pKpi { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.pKpi .a { font-size: 10.5px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.pKpi .b { font-family: var(--display); font-size: 21px; font-weight: 700; margin-top: 2px; }
.pChart { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 10px; }
.pChart .a { font-size: 10.5px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.pBars { display: flex; align-items: flex-end; gap: 5px; height: 58px; }
.pBars i { flex: 1; background: var(--green); border-radius: 3px 3px 0 0; }
.pChat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.pChat .q { font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.pChat .r { font-size: 12.5px; background: var(--offwhite); border-radius: 10px; padding: 8px 10px; line-height: 1.45; }
.panel .pNote { font-size: 10.5px; color: var(--faint); margin-top: 8px; text-align: right; }

/* ── seções claras ──────────────────────────────────────────────────── */
section.block { padding: 88px 0; }
section.block.tight { padding-top: 64px; }
.blockHead { max-width: 720px; margin-bottom: 44px; }
.blockHead .eyebrow { margin-bottom: 12px; }
.blockHead p { margin-top: 14px; font-size: 17px; color: var(--muted); }

/* números da tese */
.stats { border-block: 1px solid var(--line); background: var(--card); }
.statRow { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: 30px 22px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat .v { font-family: var(--display); font-size: 34px; font-weight: 700; letter-spacing: -0.02em; }
.stat .v span { font-size: 16px; color: var(--muted); font-weight: 600; margin-left: 4px; }
.stat .l { font-size: 13px; color: var(--muted); line-height: 1.45; margin-top: 6px; }

/* o que a IA opera */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.opCard {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; display: flex; flex-direction: column; gap: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.opCard:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(26, 26, 26, 0.07); }
.opCard .k { font-family: var(--display); font-weight: 700; font-size: 13px; color: var(--faint); }
.opCard h3 { font-size: 18px; }
.opCard p { font-size: 14.5px; color: var(--muted); flex: 1; }
.opCard .proof {
  font-size: 13px; font-weight: 600; color: var(--green);
  border-top: 1px solid var(--line); padding-top: 12px; margin-top: 6px;
}

/* marcas que operamos */
.brandsHead { text-align: center; max-width: 760px; margin: 0 auto 44px; }
.brandsHead .eyebrow { margin-bottom: 12px; letter-spacing: 0.22em; }
.brandRow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.brandCard {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 20px; text-align: center;
  display: flex; flex-direction: column; gap: 14px; align-items: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.brandCard:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(26, 26, 26, 0.07); }
.brandCard p { font-size: 13.5px; color: var(--muted); line-height: 1.5; }
.bLogo { height: 54px; display: flex; align-items: center; justify-content: center; }
.bLogo img { max-height: 30px; width: auto; max-width: 100%; filter: grayscale(1); opacity: 0.8; }
.bLogo img.tall { max-height: 44px; }
.wm { color: #565B57; opacity: 0.9; white-space: nowrap; }
.wmAnne { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; font-size: 17px; letter-spacing: 0.13em; }
.wmBoca { font-family: var(--display); font-weight: 700; font-size: 19px; letter-spacing: 0.1em; }

/* cases */
.caseRow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.caseCard {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px;
  display: flex; flex-direction: column;
}
.caseCard .nome { font-family: var(--display); font-weight: 700; font-size: 17px; }
.caseCard .cat { font-size: 12.5px; color: var(--faint); margin-top: 2px; }
.caseCard .v { font-family: var(--display); font-weight: 700; font-size: 30px; letter-spacing: -0.02em; margin-top: 16px; }
.caseCard .l { font-size: 12.5px; color: var(--muted); line-height: 1.45; margin-top: 4px; flex: 1; }
/* o rodapé "Global equivalent" alinha na MESMA linha em todos os cards (pedido do owner, 20/08) */
.caseCard .eq { font-size: 12px; color: var(--faint); border-top: 1px solid var(--line); margin-top: auto; padding-top: 10px; }
.caseCard .v + .l { margin-bottom: 14px; }
.caseCard .eq b { color: var(--muted); font-weight: 600; }
.caseNote { text-align: center; color: var(--muted); font-size: 15px; margin-top: 28px; }

/* ciclo de decisão */
.cycle { background: var(--card); border-block: 1px solid var(--line); }
.cycleLine { margin-bottom: 26px; }
.cycleLine .cab { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.cycleLine .prazo { font-family: var(--display); font-weight: 700; font-size: 26px; color: var(--faint); }
.cycleLine.os .prazo { color: var(--green); }
.cycleSteps { display: flex; gap: 10px; align-items: stretch; }
.cs {
  flex: 1; border: 1px solid var(--line); border-radius: 12px; padding: 16px 12px;
  font-size: 14px; color: var(--muted); text-align: center;
  display: flex; flex-direction: column; justify-content: center; min-height: 70px;
  background: var(--paper);
}
.cycleLine.os .cs { background: var(--green); border-color: var(--green); color: var(--offwhite); }
.cs b { font-family: var(--display); font-weight: 700; display: block; margin-bottom: 2px; color: inherit; }
.csArrow { align-self: center; color: var(--faint); flex: none; font-size: 18px; }
.cycleClose { text-align: center; font-size: 15px; color: var(--muted); margin-top: 20px; }

/* implantação */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.step .n {
  width: 30px; height: 30px; border-radius: 50%; background: var(--green); color: #FFF;
  font-family: var(--display); font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.step h3 { font-size: 16.5px; margin-bottom: 5px; }
.step p { font-size: 14px; color: var(--muted); }

/* produto (dark) */
.product { background: linear-gradient(150deg, #1D1E1D, var(--dark)); color: var(--offwhite); padding: 96px 0; }
.prodGrid { display: grid; grid-template-columns: 1fr 460px; gap: 56px; align-items: center; }
.product h2 { color: #FFF; margin-bottom: 22px; }
.product li { list-style: none; display: flex; gap: 12px; padding: 9px 0; font-size: 16.5px; color: rgba(236, 238, 239, 0.78); }
.product li b { color: #FFF; font-weight: 600; }
.product li::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--faint); margin-top: 9px; flex: none; }

/* galeria do produto */
.galRow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.gal {
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px; overflow: hidden;
}
.gal img { width: 100%; height: auto; display: block; }
.gal figcaption { font-size: 12.5px; color: rgba(236, 238, 239, 0.6); padding: 10px 14px; }
@media (max-width: 1000px) { .galRow { grid-template-columns: 1fr; } }

/* rotina */
.bands { display: flex; flex-direction: column; gap: 14px; }
.band { display: grid; grid-template-columns: 200px 1fr; gap: 22px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; align-items: center; }
.band .when { font-family: var(--display); font-weight: 700; font-size: 18px; color: var(--green); }
.band .when small { display: block; font-family: var(--text); font-weight: 600; font-size: 12px; color: var(--faint); margin-top: 2px; }
.band ul { display: flex; gap: 10px 28px; flex-wrap: wrap; }
.band li { list-style: none; display: flex; gap: 9px; font-size: 14.5px; max-width: 300px; }
.band li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); margin-top: 8px; flex: none; }

/* fecho (dark) */
.closer {
  background:
    radial-gradient(900px 420px at 50% 120%, rgba(51, 66, 59, 0.55), transparent 65%),
    linear-gradient(180deg, var(--dark), #101010);
  color: var(--offwhite); text-align: center; padding: 120px 0;
}
.closer h2 { color: #FFF; font-size: clamp(32px, 4.6vw, 48px); margin-bottom: 16px; }
.closer .sub { font-size: 17px; color: rgba(236, 238, 239, 0.7); max-width: 56ch; margin: 0 auto 32px; }
.closer .ctas { display: flex; gap: 14px; justify-content: center; }
.acessoForm {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  max-width: 760px; margin: 0 auto;
}
.acessoForm input {
  flex: 1 1 180px; min-width: 0;
  background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px; padding: 11px 14px; color: #FFF;
  font-family: var(--text); font-size: 14.5px;
}
.acessoForm input::placeholder { color: rgba(236, 238, 239, 0.45); }
.acessoForm input:focus { outline: 2px solid rgba(236, 238, 239, 0.35); outline-offset: 1px; }
.acessoNota { margin-top: 14px; font-size: 13px; color: rgba(236, 238, 239, 0.55); text-align: center; }

footer { background: #101010; color: rgba(236, 238, 239, 0.5); font-size: 13px; padding: 26px 0; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; }
footer a:hover { color: #FFF; }

/* reveal */
.rv { opacity: 0; transform: translateY(14px); transition: opacity 0.55s ease, transform 0.55s ease; }
.rv.on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* responsivo */
@media (max-width: 1000px) {
  .heroGrid, .prodGrid { grid-template-columns: 1fr; }
  .statRow { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; border-top: 1px solid var(--line); }
  .grid3 { grid-template-columns: 1fr 1fr; }
  .caseRow, .brandRow { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
  .cycleSteps { flex-wrap: wrap; }
  .nav a:not(.btn) { display: none; }
  .band { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .grid3, .caseRow, .brandRow, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 120px; }
}