/* innov — site institucional. CSS puro, sem dependências externas. */

:root {
  --azul: #007D9C;
  --azul-hover: #00667F;
  --laranja: #F68625;
  --laranja-hover: #E97818;
  --grafite: #252A30;
  --cinza: #F4F6F7;
  --borda: #D9E1E5;
  --branco: #FFFFFF;

  --bg: var(--branco);
  --surface: var(--cinza);
  --text: var(--grafite);
  --muted: #4A535B;
  --link: var(--azul-hover);
  --line: var(--borda);
  --ink: var(--grafite);
  --stroke-blue: var(--azul);
  --focus: var(--azul-hover);

  --font: Inter, "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --gutter: clamp(20px, 5vw, 56px);
  --max: 1180px;
  --header-h: 76px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181C;
    --surface: #1B2127;
    --text: #E9EEF1;
    --muted: #B3BEC6;
    --link: #5CC8E3;
    --line: #2E373F;
    --ink: #D6DEE3;
    --stroke-blue: #3FB5D3;
    --focus: #5CC8E3;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.015em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--link); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--azul-hover); }
@media (prefers-color-scheme: dark) { a:hover { color: #8BDDF0; } }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

.skip {
  position: absolute; left: 12px; top: -80px; z-index: 100;
  background: var(--grafite); color: #fff; padding: 12px 18px; border-radius: 8px; text-decoration: none;
}
.skip:focus { top: 12px; }

/* ---------- Tipografia editorial ---------- */
.eyebrow {
  font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.1rem;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--laranja); border-radius: 2px; flex: none; }
h1 { font-size: clamp(2.5rem, 6.2vw, 4.25rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }
h2 { font-size: clamp(1.85rem, 3.8vw, 2.75rem); font-weight: 700; letter-spacing: -0.025em; }
h3 { font-size: 1.25rem; font-weight: 600; }
.lead { font-size: clamp(1.1rem, 1.8vw, 1.3rem); color: var(--muted); max-width: 34em; margin-top: 1.5rem; }
.big { font-size: 1.2rem; font-weight: 500; }

/* realce de traço laranja (texto grafite sobre laranja: contraste ok) */
.mark {
  --p: 100%; --mh: 0.42em;
  color: var(--grafite);
  background: linear-gradient(var(--laranja), var(--laranja)) 0 88% / var(--p) var(--mh) no-repeat;
  padding-inline: 0.04em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
@media (prefers-color-scheme: dark) {
  .mark { --mh: 100%; background-position: 0 100%; padding-inline: 0.12em; border-radius: 4px; }
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 26px; border-radius: 999px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: background-color .2s, transform .2s;
}
.btn-sm { min-height: 44px; padding: 0 20px; }
.btn-primary { background: var(--azul); color: #fff; }
.btn-primary:hover { background: var(--azul-hover); color: #fff; }
.btn-accent { background: var(--laranja); color: var(--grafite); }
.btn-accent:hover { background: var(--laranja-hover); color: var(--grafite); }
.link-quiet { font-weight: 600; padding: 10px 4px; }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.1) blur(6px);
}
.header-in { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 16px; }
.brand { display: block; width: 190px; flex: none; padding: 6px 0; border-radius: 6px; }
.brand img { width: 100%; height: auto; }
@media (max-width: 480px) { .brand { width: 168px; } }
@media (prefers-color-scheme: dark) {
  /* a logo colorida exige superfície clara: placa branca, sem inverter a imagem */
  .brand { background: #fff; padding: 8px 12px; width: 214px; }
  @media (max-width: 480px) { .brand { width: 190px; } }
}
.nav ul { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 32px); }
.nav a:not(.btn) { color: var(--text); font-weight: 500; text-decoration: none; padding: 10px 2px; border-bottom: 2px solid transparent; }
.nav a:not(.btn):hover { border-color: var(--laranja); }
.nav a[aria-current="true"]:not(.btn) { border-color: var(--laranja); }
.nav .btn-primary { color: #fff; }

.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 16px;
    background: transparent; color: var(--text); border: 2px solid var(--line); border-radius: 999px;
    font: inherit; font-weight: 600; cursor: pointer;
  }
  .nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
    display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; position: relative; transition: transform .2s;
  }
  .nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
  .nav-toggle-bars::before { top: -6px; }
  .nav-toggle-bars::after { top: 6px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

  .header-in { flex-wrap: wrap; }
  .nav { flex-basis: 100%; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; padding-bottom: 16px; }
  .nav li a:not(.btn) { display: block; padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav li:last-child { padding-top: 14px; }
  .nav .btn { width: 100%; }
  .js .nav { display: none; }
  .js .nav.is-open { display: block; }
  .site-header { max-height: 100dvh; overflow-y: auto; }
}

/* ---------- Seções ---------- */
.section { padding-block: clamp(72px, 11vw, 140px); }
.section-head { max-width: 40rem; margin-bottom: clamp(36px, 6vw, 64px); }
.section-head p:last-child, .split-head p:last-child { color: var(--muted); margin-bottom: 0; }
.section-head h2 + p, .split-head h2 + p { margin-top: 1.2rem; }

/* Hero */
.hero { padding-block: clamp(48px, 7vw, 96px) clamp(56px, 8vw, 110px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 2rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: 14px 32px; margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line); font-weight: 500; font-size: 0.95rem; }
.hero-points li { display: flex; align-items: center; gap: 10px; }
.ico { width: 30px; height: 30px; fill: none; stroke: var(--stroke-blue); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ico .o { stroke: var(--laranja); }
.hero-art { justify-self: end; width: 100%; max-width: 520px; }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; justify-self: start; order: 2; }
}

/* Estilos de traço compartilhados pelas ilustrações */
svg .ink, svg .blue, svg .acc, svg .accfill { fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-width: 3; }
svg .ink { stroke: var(--ink); }
svg .blue { stroke: var(--stroke-blue); }
svg .acc { stroke: var(--laranja); stroke-width: 4; }
svg .accfill { fill: var(--laranja); stroke: var(--laranja); }
svg .thin { stroke-width: 2.25; }
svg .dash { stroke-dasharray: 2 9; }

/* Desafios: título à esquerda, lista editorial à direita */
.desafios { background: var(--bg); }
.split { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(32px, 7vw, 96px); align-items: start; }
.split-head { position: sticky; top: calc(var(--header-h) + 32px); }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split-head { position: static; }
}
.challenges li { display: grid; grid-template-columns: 56px 1fr; gap: 24px; padding-block: 28px; border-top: 1px solid var(--line); }
.challenges li:last-child { border-bottom: 1px solid var(--line); }
.challenges h3 { margin-bottom: 0.4rem; }
.challenges p { color: var(--muted); margin: 0; }
.glyph { width: 56px; height: 56px; fill: none; stroke: var(--stroke-blue); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.glyph .o { stroke: var(--laranja); }
@media (max-width: 480px) { .challenges li { grid-template-columns: 44px 1fr; gap: 16px; } .glyph { width: 44px; height: 44px; } }

/* Como atuamos: três passos em ritmo escalonado */
.como { background: var(--surface); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 56px); counter-reset: s; }
.step { position: relative; padding-top: 1.5rem; }
.step:nth-child(2) { margin-top: clamp(0px, 5vw, 56px); }
.step:nth-child(3) { margin-top: clamp(0px, 10vw, 112px); }
.step::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 0; border-top: 2px dashed var(--line); }
.step-art { width: 84px; height: 84px; margin-bottom: 1.2rem; }
.step-n { position: absolute; top: 1.6rem; right: 0; font-size: 4.5rem; font-weight: 700; line-height: 1; color: var(--line); user-select: none; }
.step h3 { margin-bottom: 0.6rem; font-size: 1.4rem; }
.step p { color: var(--muted); margin: 0; }
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step:nth-child(2), .step:nth-child(3) { margin-top: 0; }
}

/* Capacidades */
.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(32px, 7vw, 96px); }
.cap { padding-block: 32px; border-top: 1px solid var(--line); }
.cap:nth-child(even) { padding-top: 56px; }
.cap h3 { margin-bottom: 0.6rem; display: flex; align-items: center; gap: 12px; }
.cap h3::before { content: ""; width: 12px; height: 12px; background: var(--laranja); transform: rotate(45deg); border-radius: 2px; flex: none; }
.cap p { color: var(--muted); }
.cap .stack { font-size: 0.9rem; font-weight: 500; color: var(--text); margin: 0; padding-left: 14px; border-left: 3px solid var(--azul); }
@media (max-width: 760px) {
  .cap-grid { grid-template-columns: 1fr; }
  .cap:nth-child(even) { padding-top: 32px; }
}

/* Sobre */
.sobre { background: var(--surface); }
.sobre-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 7vw, 96px); align-items: center; }
.sobre-art { max-width: 480px; }
.art-cap { display: flex; justify-content: space-between; margin: 12px 8px 0; font-weight: 600; font-size: 0.95rem; }
.sobre-copy h2 { margin-bottom: 1.4rem; }
.facts { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 12px 40px; margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.facts dt { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 2px 0 0; font-weight: 600; }
@media (max-width: 860px) {
  .sobre-grid { grid-template-columns: 1fr; }
  .sobre-art { order: 2; max-width: 360px; }
}
@media (max-width: 560px) { .facts { grid-template-columns: 1fr; } }

/* Contato */
.contato-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 240px); gap: clamp(24px, 6vw, 80px); align-items: center; }
.contato-copy { max-width: 42rem; }
.contato h2 { margin-bottom: 1.2rem; font-size: clamp(2rem, 4.6vw, 3.25rem); }
.cta-row { margin: 2rem 0 1rem; }
.mail { color: var(--muted); }
.contato-art { width: 100%; max-width: 240px; justify-self: end; }
@media (max-width: 760px) {
  .contato-in { grid-template-columns: 1fr; }
  .contato-art { justify-self: start; max-width: 180px; }
}

/* Rodapé (sempre azul: a versão reversa da logo exige fundo azul) */
.site-footer { background: #007D9C; color: #fff; padding-block: 56px 28px; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: #fff; text-decoration-thickness: 3px; }
.site-footer :focus-visible { outline-color: #fff; }
.foot-in { display: grid; grid-template-columns: minmax(200px, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; align-items: start; }
.foot-logo { width: 200px; height: auto; margin: -8px 0 0 -8px; }
.foot-h { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.5rem; opacity: .85; }
.foot-col p:last-child { margin: 0; }
.foot-legal { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.35); font-size: 0.9rem; }
.foot-legal p { margin: 0; }
@media (max-width: 900px) { .foot-in { grid-template-columns: 1fr 1fr; } .foot-logo { grid-column: 1 / -1; } }

/* ---------- Animações discretas (somente com JS ativo e sem redução de movimento) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
  .js .reveal.is-in { opacity: 1; transform: none; }
  .js .challenges li.reveal:nth-child(2), .js .cap.reveal:nth-child(2), .js .step.reveal:nth-child(2) { transition-delay: .08s; }
  .js .challenges li.reveal:nth-child(3), .js .cap.reveal:nth-child(3), .js .step.reveal:nth-child(3) { transition-delay: .16s; }

  /* traços que se desenham uma vez */
  .js .draw :is(.ink, .blue, .acc):not(.dash) { stroke-dasharray: var(--len, 1000); stroke-dashoffset: var(--len, 1000); transition: stroke-dashoffset 1.4s ease-out; }
  .js .draw.is-in :is(.ink, .blue, .acc):not(.dash) { stroke-dashoffset: 0; }
  .js .draw .accfill { opacity: 0; transition: opacity .6s ease 1s; }
  .js .draw.is-in .accfill { opacity: 1; }
  .js .draw .dash { opacity: 0; transition: opacity .6s ease .8s; }
  .js .draw.is-in .dash { opacity: 1; }

  .js .mark { --p: 0%; animation: mark-in .9s ease .35s forwards; }
  @keyframes mark-in { to { background-size: 100% var(--mh); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}