/* =========================================================
   SysterTEC — identidade visual
   Azul-marinho, creme e grafite. Títulos finos (Outfit),
   texto em Inter, linhas finas e cantos quase retos.
   ========================================================= */

:root {
  --navy: #14213d;
  --navy-2: #1c2d52;
  --navy-deep: #0e182e;
  --cream: #f4f1ea;
  --cream-2: #e9e4d8;
  --ink: #16181b;
  --text: #2e3036;
  --muted: #62646b;
  --line: #dcd8cd;
  --white: #ffffff;
  --graphite: #1a1c21;
  --on-navy: #f4f1ea;
  --on-navy-muted: rgba(244, 241, 234, 0.72);
  --on-navy-line: rgba(244, 241, 234, 0.16);

  --font-display: "Outfit", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --radius: 2px;
  --container: 1200px;
  --header-h: 76px;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
figure { margin: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0 0 0.5em;
  line-height: 1.12;
}
h1 { font-size: clamp(2.4rem, 4.8vw, 4rem); font-weight: 300; letter-spacing: -0.025em; line-height: 1.06; }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 300; letter-spacing: -0.02em; }
h3 { font-size: 1.28rem; font-weight: 500; letter-spacing: -0.005em; }
p  { margin: 0 0 1em; }
a  { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.container--narrow { max-width: 880px; }

.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
}
.kicker::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.kicker--light,
.section--dark .kicker { color: var(--on-navy-muted); }

.lead { font-size: 1.15rem; color: var(--muted); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  white-space: normal;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn--primary,
.btn--dark { background: var(--navy); color: var(--on-navy); }
.btn--primary:hover,
.btn--dark:hover { background: var(--navy-2); }
.btn--outline-dark { border-color: var(--navy); color: var(--navy); }
.btn--outline-dark:hover { background: var(--navy); color: var(--on-navy); }
.btn--outline-light { border-color: rgba(244, 241, 234, 0.5); color: var(--on-navy); }
.btn--outline-light:hover { border-color: var(--on-navy); background: rgba(244, 241, 234, 0.08); }
.btn--sm { padding: 10px 18px; font-size: 0.9rem; }
.btn--lg { padding: 18px 34px; font-size: 1rem; }

/* Em fundos azul-marinho, o botão principal fica creme */
.hero .btn--primary,
.cta .btn--primary,
.section--dark .btn--primary,
.area--open .btn--primary,
.plan--dark .btn--primary { background: var(--on-navy); color: var(--navy); }
.hero .btn--primary:hover,
.cta .btn--primary:hover,
.section--dark .btn--primary:hover,
.area--open .btn--primary:hover,
.plan--dark .btn--primary:hover { background: var(--white); }

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); flex-shrink: 0; }
.logo__mark { width: 36px; height: 28px; }
.logo__text { font-family: var(--font-display); font-weight: 300; font-size: 1.65rem; }
.logo--light { color: var(--on-navy); }

/* ---------- Cabeçalho ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { white-space: nowrap; }
.nav a:not(.btn) { font-size: 0.95rem; font-weight: 500; color: var(--text); transition: color 0.15s; }
.nav a:not(.btn):hover { color: var(--navy); }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; margin: 6px 0; background: var(--ink); transition: transform 0.2s, opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Abertura ---------- */
.hero { padding: 96px 0 104px; background: var(--navy); color: var(--on-navy-muted); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 72px; align-items: center; }
.hero h1 { color: var(--on-navy); }
.hero__lead { font-size: 1.18rem; max-width: 600px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero__media { position: relative; }
.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.75);
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 33, 61, 0) 55%, rgba(20, 33, 61, 0.45) 100%);
}

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; font-size: 0.9rem; color: var(--on-navy-muted); }
.breadcrumb a { color: var(--on-navy); text-decoration: underline; text-underline-offset: 3px; }

/* Pilares */
.pillars { background: var(--white); border-bottom: 1px solid var(--line); }
.pillars__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.pillar { display: flex; gap: 16px; padding: 38px 28px; border-left: 1px solid var(--line); }
.pillar:first-child { border-left: 0; padding-left: 0; }
.pillar svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  fill: none;
  stroke: var(--navy);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.pillar strong { display: block; font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; color: var(--ink); margin-bottom: 4px; }
.pillar span { display: block; font-size: 0.93rem; line-height: 1.5; color: var(--muted); }

/* ---------- Seções ---------- */
.section { padding: 120px 0; }
.section--stone { background: var(--cream); }
.section--dark { background: var(--navy); color: var(--on-navy-muted); }
.section--dark h2,
.section--dark h3 { color: var(--on-navy); }
.section--dark .lead { color: var(--on-navy-muted); }

.section__head { max-width: 800px; margin-bottom: 64px; }
.section__head--center { text-align: center; margin-left: auto; margin-right: auto; }
.section__head--center .kicker { justify-content: center; }

/* Imagem + texto */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; border-radius: var(--radius); }

.checklist { list-style: none; margin: 32px 0 0; padding: 0; border-bottom: 1px solid var(--line); }
.checklist li { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-top: 1px solid var(--line); }
.checklist svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  fill: none;
  stroke: var(--navy);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.checklist strong { color: var(--ink); font-weight: 600; }
.checklist--dark { border-color: var(--on-navy-line); }
.checklist--dark li { border-color: var(--on-navy-line); }
.checklist--dark svg { stroke: var(--on-navy); }
.checklist--dark strong { color: var(--on-navy); }

/* Ícone em caixa (cards) */
.area__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.area__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--navy); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* Possibilidades de atuação */
.areas { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.area {
  display: flex;
  flex-direction: column;
  padding: 36px 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.area:hover { border-color: var(--navy); }
.area > p { color: var(--muted); }
.area ul {
  list-style: none;
  margin: 4px 0 24px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px 20px;
}
.area li,
.starter li { position: relative; padding-left: 18px; font-size: 0.95rem; line-height: 1.45; color: var(--text); }
.area li::before,
.starter li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--navy);
}
.area .area__example {
  margin: auto 0 0;
  padding: 16px 18px;
  background: var(--cream);
  border-left: 2px solid var(--navy);
  font-size: 0.93rem;
  line-height: 1.55;
  color: var(--text);
}
.area__example strong { color: var(--ink); }

.area--open { background: var(--navy); border-color: var(--navy); color: var(--on-navy-muted); justify-content: center; }
.area--open:hover { border-color: var(--navy); }
.area--open h3 { color: var(--on-navy); font-size: 1.6rem; font-weight: 300; }
.area--open > p { color: var(--on-navy-muted); font-size: 1.02rem; margin-bottom: 28px; }
.area--open .area__icon { border-color: var(--on-navy-line); }
.area--open .area__icon svg { stroke: var(--on-navy); }
.area--open .btn { align-self: flex-start; }
.area--wide { grid-column: 1 / -1; }

/* Central de gerenciamento */
.central { display: grid; grid-template-columns: 1fr 1.05fr; gap: 72px; align-items: center; }
.dash {
  overflow: hidden;
  background: var(--navy-deep);
  border: 1px solid var(--on-navy-line);
  border-radius: 6px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}
.dash__bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--on-navy-line); }
.dash__bar span { width: 9px; height: 9px; border-radius: 50%; background: rgba(244, 241, 234, 0.22); }
.dash__bar em { margin-left: 10px; font-style: normal; font-size: 0.82rem; color: var(--on-navy-muted); }
.dash__body { padding: 22px; }
.dash__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.kpi { padding: 14px 16px; background: rgba(244, 241, 234, 0.05); border: 1px solid var(--on-navy-line); border-radius: var(--radius); }
.kpi small { display: block; margin-bottom: 6px; font-size: 0.76rem; line-height: 1.35; color: var(--on-navy-muted); }
.kpi strong { font-family: var(--font-display); font-size: 1.4rem; font-weight: 400; color: var(--on-navy); }
.kpi strong.kpi--alert { color: #f2c28b; }
.dash__chat { display: grid; gap: 12px; padding: 18px; background: rgba(244, 241, 234, 0.03); border-radius: var(--radius); }
.bubble { max-width: 88%; padding: 12px 15px; border-radius: 6px; font-size: 0.9rem; line-height: 1.5; }
.bubble--user { justify-self: end; background: var(--on-navy); color: var(--navy); border-bottom-right-radius: 1px; }
.bubble--ai { background: rgba(244, 241, 234, 0.08); color: var(--on-navy); border-bottom-left-radius: 1px; }
.bubble--ai ul { margin: 8px 0; padding-left: 18px; }
.bubble__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.bubble__actions span { padding: 6px 12px; border: 1px solid rgba(244, 241, 234, 0.3); border-radius: var(--radius); font-size: 0.8rem; font-weight: 600; }
.bubble__actions span:first-child { background: var(--on-navy); color: var(--navy); border-color: var(--on-navy); }
.dash__note { margin: 0; padding: 10px 22px 16px; font-size: 0.78rem; color: rgba(244, 241, 234, 0.5); }

/* Fluxo do exemplo prático */
.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.flow__step { position: relative; padding: 30px 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.flow__step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 46px;
  right: -12px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--navy);
  border-right: 1px solid var(--navy);
  transform: rotate(45deg);
}
.flow__num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  border: 1px solid var(--navy);
  border-radius: 50%;
  font-family: var(--font-display);
  color: var(--navy);
}
.flow__step:last-child .flow__num { background: var(--navy); color: var(--on-navy); }
.flow__step h3 { font-size: 1.1rem; }
.flow__step p { margin: 0; font-size: 0.93rem; color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 32px; }
.chips span { padding: 7px 14px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 0.9rem; color: var(--ink); }
.chips .chips__label { border: 0; padding-left: 0; font-weight: 600; color: var(--muted); }

/* Exemplo: áudio -> RDO (construção civil) */
.example { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.2fr); gap: 32px; align-items: center; }
.example__caption { margin-bottom: 14px; font-weight: 600; font-size: 0.95rem; color: var(--ink); }
.example__arrow { width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid var(--navy); border-radius: 50%; }
.example__arrow svg { width: 22px; height: 22px; fill: none; stroke: var(--navy); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.example__note { margin: 28px 0 0; font-size: 0.85rem; color: var(--muted); }

.field-msg { padding: 26px; background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); }
.field-msg__audio { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); font-weight: 600; font-size: 0.93rem; color: var(--ink); }
.field-msg__play { position: relative; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); }
.field-msg__play::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 10px;
  border-left: 10px solid var(--on-navy);
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
}
.field-msg blockquote { margin: 18px 0; font-size: 1rem; line-height: 1.7; font-style: italic; color: var(--text); }
.field-msg__att { margin: 0; font-size: 0.9rem; font-weight: 600; color: var(--muted); }

.rdo { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 24px 60px rgba(20, 33, 61, 0.12); font-size: 0.94rem; }
.rdo__header { display: flex; justify-content: space-between; gap: 16px; padding: 20px 24px; background: var(--navy); color: var(--on-navy-muted); }
.rdo__brand strong { display: block; font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; color: var(--on-navy); }
.rdo__meta { display: flex; flex-direction: column; align-items: flex-end; font-weight: 600; font-size: 0.88rem; }
.rdo__table { width: 100%; border-collapse: collapse; }
.rdo__table th,
.rdo__table td { padding: 13px 24px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.rdo__table th { width: 34%; font-weight: 600; font-size: 0.86rem; color: var(--muted); background: #faf9f6; }
.rdo__table td { font-weight: 500; color: var(--ink); }
.rdo__alert td { color: #9a3b22; }
.rdo__photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 16px 24px; border-bottom: 1px solid var(--line); }
.rdo__photos img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.rdo__footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 14px 24px; font-size: 0.84rem; color: var(--muted); }

/* Agentes para começar */
.starters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.starter { display: flex; flex-direction: column; padding: 32px 26px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color 0.2s; }
.starter:hover { border-color: var(--navy); }
.starter h3 { font-size: 1.18rem; }
.starter > p { color: var(--muted); font-size: 0.95rem; }
.starter ul { list-style: none; margin: 4px 0 22px; padding: 16px 0 0; border-top: 1px solid var(--line); display: grid; gap: 8px; }
.starter li { font-size: 0.93rem; }
.starter .starter__for { margin: auto 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: 0.88rem; color: var(--muted); }
.starter__for strong { color: var(--ink); }

/* Investimento */
.pricing { display: grid; gap: 24px; }
.pricing__model { display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); }
.pricing__model::before {
  content: "+";
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--navy);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--navy);
}
.model { padding: 36px 38px; }
.model:first-child { grid-column: 1; grid-row: 1; }
.model:last-child { grid-column: 3; grid-row: 1; }
.model__tag { display: inline-block; margin-bottom: 12px; font-size: 0.85rem; font-weight: 600; color: var(--navy); }
.model h3 { font-size: 1.6rem; font-weight: 300; }
.model ul,
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.model li,
.plan li { position: relative; padding-left: 26px; font-size: 0.97rem; }
.model li::before,
.plan li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.38em;
  width: 5px;
  height: 10px;
  border-right: 1.5px solid var(--navy);
  border-bottom: 1.5px solid var(--navy);
  transform: rotate(45deg);
}

.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.plan { display: flex; flex-direction: column; padding: 38px 36px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.plan h3 { font-size: 1.6rem; font-weight: 300; }
.plan > p { color: var(--muted); }
.plan ul { margin-bottom: 30px; }
.plan .btn { margin-top: auto; align-self: flex-start; }
.plan--dark { background: var(--navy); border-color: var(--navy); color: var(--on-navy-muted); }
.plan--dark h3 { color: var(--on-navy); }
.plan--dark > p { color: var(--on-navy-muted); }
.plan--dark li::before { border-color: var(--on-navy); }

/* Como trabalhamos */
.phases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.phase { display: flex; flex-direction: column; padding: 34px 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.phase__num { margin-bottom: 22px; font-family: var(--font-display); font-size: 3.2rem; font-weight: 200; line-height: 1; color: var(--navy); }
.phase p { color: var(--muted); }
.phase__deliver { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); font-weight: 600; font-size: 0.95rem; color: var(--ink); }
.phase__deliver span { display: block; margin-bottom: 4px; font-size: 0.82rem; font-weight: 500; color: var(--navy); }

/* Compromissos */
.commit { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 34px; margin-top: 36px; }
.commit__item { padding-top: 18px; border-top: 1px solid var(--navy); }
.commit__item h3 { font-size: 1.15rem; }
.commit__item p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* Perguntas */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 24px 56px 24px 0;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 400;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before,
.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 16px;
  height: 1px;
  background: var(--navy);
  transition: transform 0.2s;
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0deg); }
.faq details p { max-width: 720px; margin: 0; padding: 0 0 24px; color: var(--muted); }

/* Chamada final */
.cta { padding: 130px 0; background: var(--navy); color: var(--on-navy-muted); text-align: center; }
.cta__inner { max-width: 880px; }
.cta .kicker { justify-content: center; }
.cta h2 { color: var(--on-navy); }
.cta p { max-width: 640px; margin: 0 auto 38px; font-size: 1.15rem; }
.cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* Rodapé */
.footer { padding: 72px 0 0; background: var(--graphite); color: #9a9ca3; font-size: 0.95rem; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer__brand p { max-width: 320px; margin-top: 18px; }
.footer h4 { margin-bottom: 16px; font-family: var(--font-body); font-size: 0.92rem; font-weight: 600; color: var(--on-navy); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer a:hover { color: var(--on-navy); }
.footer__bottom { margin-top: 56px; padding-top: 24px; padding-bottom: 28px; border-top: 1px solid #2c2f36; font-size: 0.86rem; }
.footer__bottom p { margin: 0; }

/* ---------- Responsivo ---------- */
@media (max-width: 1100px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: -1;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(20, 33, 61, 0.08);
    transform: translateY(-130%);
    transition: transform 0.25s;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 12px; }

  .starters { grid-template-columns: repeat(2, 1fr); }
  .phases { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow__step:nth-child(3)::after { display: none; }
  .central { grid-template-columns: 1fr; gap: 48px; }
  .pillars__grid { grid-template-columns: repeat(2, 1fr); }
  .pillar:nth-child(odd) { border-left: 0; padding-left: 0; }
  .pillar:nth-child(n+3) { border-top: 1px solid var(--line); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__media img { aspect-ratio: 16 / 10; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .split--reverse .split__media { order: 0; }
  .split__media img { min-height: 0; height: 340px; }
  .areas,
  .plans { grid-template-columns: 1fr; }
  .example { grid-template-columns: 1fr; }
  .example__arrow { justify-self: center; transform: rotate(90deg); }
  .pricing__model { grid-template-columns: 1fr; }
  .pricing__model::before { grid-column: 1; grid-row: 2; justify-self: center; }
  .model:first-child { grid-column: 1; grid-row: 1; padding-bottom: 20px; }
  .model:last-child { grid-column: 1; grid-row: 3; padding-top: 20px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .section { padding: 80px 0; }
  .hero { padding: 64px 0 72px; }
  .hero__actions .btn,
  .cta__actions .btn,
  .area--open .btn,
  .plan .btn { width: 100%; }
  .pillars__grid { grid-template-columns: 1fr; }
  .pillar { padding: 24px 0; border-left: 0; }
  .pillar + .pillar { border-top: 1px solid var(--line); }
  .area,
  .model,
  .plan { padding-left: 22px; padding-right: 22px; }
  .area ul { grid-template-columns: 1fr; }
  .starters,
  .phases,
  .commit { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 16px; }
  .flow__step::after { display: none; }
  .dash__kpis { grid-template-columns: 1fr; }
  .split__media img { height: 260px; }
  .rdo__header { flex-direction: column; }
  .rdo__meta { flex-direction: row; gap: 16px; }
  .rdo__table th,
  .rdo__table td { display: block; width: 100%; padding: 10px 16px; }
  .rdo__table th { padding-bottom: 2px; border-bottom: 0; background: none; }
  .rdo__header,
  .rdo__photos,
  .rdo__footer { padding-left: 16px; padding-right: 16px; }
  .cta { padding: 90px 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
}

/* Logo oficial (arquivos em /Marca) */
.logo__img { display: block; height: 30px; width: auto; }
.footer .logo__img { height: 28px; }
@media (max-width: 640px) { .logo__img { height: 26px; } }

/* Ilustração da marca no topo (página inicial) */
.hero__art::after { display: none; }
.hero__art svg { display: block; width: 100%; height: auto; }
.hero__art-caption { font-family: var(--font-body); font-size: 12px; letter-spacing: 0.04em; fill: rgba(244, 241, 234, 0.55); }
.hero__art-label text { font-family: var(--font-body); font-size: 13px; font-weight: 500; fill: rgba(244, 241, 234, 0.85); }
@media (max-width: 900px) { .hero__art { max-width: 420px; } }

/* =========================================================
   Celular compacto
   ========================================================= */
@media (max-width: 640px) {
  body { font-size: 15px; line-height: 1.55; }
  :root { --header-h: 64px; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }
  h3 { font-size: 1.1rem; }
  .lead { font-size: 1rem; }
  .kicker { margin-bottom: 12px; font-size: 0.85rem; }
  .kicker::before { width: 20px; }

  .section { padding: 56px 0; }
  .section__head { margin-bottom: 32px; }

  .btn { padding: 13px 20px; font-size: 0.9rem; }
  .btn--lg { padding: 14px 22px; font-size: 0.92rem; }

  /* Topo */
  .hero { padding: 40px 0 44px; }
  .hero__grid { gap: 28px; }
  .hero__lead { font-size: 1rem; }
  .hero__actions { margin-top: 24px; gap: 10px; }
  .hero__art { max-width: 260px; margin: 0 auto; }
  .hero__media:not(.hero__art) img { aspect-ratio: 16 / 9; }
  .breadcrumb { margin-bottom: 16px; font-size: 0.82rem; }

  /* Pilares em 2 colunas */
  .pillars__grid { grid-template-columns: 1fr 1fr; }
  .pillar { flex-direction: column; gap: 8px; padding: 18px 12px 18px 0; border-left: 0; }
  .pillar:nth-child(even) { padding-left: 14px; padding-right: 0; border-left: 1px solid var(--line); }
  .pillar + .pillar { border-top: 0; }
  .pillar:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pillar svg { width: 20px; height: 20px; }
  .pillar strong { font-size: 0.98rem; }
  .pillar span { font-size: 0.82rem; }

  /* Imagem + texto */
  .split { gap: 28px; }
  .split__media img { height: 200px; }
  .checklist { margin-top: 20px; }
  .checklist li { padding: 12px 0; font-size: 0.93rem; }

  /* Cards de áreas */
  .areas,
  .starters,
  .phases { gap: 14px; }
  .area { padding: 22px 18px; }
  .area__icon { width: 40px; height: 40px; margin-bottom: 14px; }
  .area__icon svg { width: 20px; height: 20px; }
  .area > p { margin-bottom: 0.6em; }
  .area ul { margin: 2px 0 16px; padding-top: 12px; gap: 6px; }
  .area li,
  .starter li { font-size: 0.9rem; }
  .area .area__example { padding: 12px 14px; font-size: 0.86rem; }
  .area--open h3 { font-size: 1.35rem; }

  /* Central de gerenciamento */
  .central { gap: 32px; }
  .dash__body { padding: 14px; }
  .dash__kpis { grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
  .kpi { padding: 10px; }
  .kpi small { font-size: 0.68rem; }
  .kpi strong { font-size: 1rem; }
  .dash__chat { padding: 12px; }
  .bubble { font-size: 0.82rem; padding: 10px 12px; }
  .dash__note { padding: 8px 14px 12px; }

  /* Fluxo em linhas compactas */
  .flow { gap: 10px; }
  .flow__step { display: grid; grid-template-columns: 32px 1fr; column-gap: 14px; padding: 16px; }
  .flow__num { grid-row: span 2; width: 32px; height: 32px; margin: 0; font-size: 0.9rem; }
  .flow__step h3 { margin-bottom: 4px; font-size: 1rem; }
  .flow__step p { font-size: 0.86rem; }
  .chips { margin-top: 20px; gap: 6px; }
  .chips span { padding: 5px 10px; font-size: 0.8rem; }

  /* Agentes para começar */
  .starter { padding: 22px 18px; }
  .starter ul { margin-bottom: 14px; padding-top: 12px; gap: 6px; }

  /* Investimento */
  .pricing { gap: 14px; }
  .model { padding: 22px 18px; }
  .model:first-child { padding-bottom: 12px; }
  .model:last-child { padding-top: 12px; }
  .model h3,
  .plan h3 { font-size: 1.35rem; }
  .pricing__model::before { width: 34px; height: 34px; font-size: 1.2rem; }
  .plans { gap: 14px; }
  .plan { padding: 24px 18px; }
  .plan ul { margin-bottom: 20px; }

  /* Como trabalhamos: 2 colunas */
  .phases { grid-template-columns: 1fr 1fr; }
  .phase { padding: 18px 14px; }
  .phase__num { margin-bottom: 10px; font-size: 2.2rem; }
  .phase h3 { font-size: 1rem; }
  .phase p { font-size: 0.84rem; }
  .phase__deliver { padding-top: 12px; font-size: 0.82rem; }

  /* Compromissos */
  .commit { gap: 18px; margin-top: 24px; }
  .commit__item { padding-top: 12px; }
  .commit__item p { font-size: 0.9rem; }

  /* Exemplo RDO */
  .example { gap: 18px; }
  .example__arrow { width: 40px; height: 40px; }
  .field-msg { padding: 18px; }
  .field-msg blockquote { margin: 12px 0; font-size: 0.92rem; }
  .rdo { font-size: 0.88rem; }

  /* Perguntas */
  .faq summary { padding: 16px 40px 16px 0; font-size: 1.02rem; }
  .faq details p { padding-bottom: 16px; font-size: 0.92rem; }

  /* Chamada final e rodapé */
  .cta { padding: 56px 0; }
  .cta p { margin-bottom: 24px; font-size: 1rem; }
  .footer { padding-top: 44px; font-size: 0.88rem; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__brand p { margin-top: 12px; }
  .footer__bottom { margin-top: 32px; }
}

/* Áreas em versão resumida (só título e frase) */
.areas--simple { grid-template-columns: repeat(3, 1fr); }
.areas--simple .area { padding: 32px 28px; }
.areas--simple .area > p { margin: 0; }
.areas--simple .area--open > p { margin-bottom: 24px; }
@media (max-width: 1100px) { .areas--simple { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .areas--simple { grid-template-columns: 1fr 1fr; gap: 10px; }
  .areas--simple .area { padding: 18px 14px; }
  .areas--simple .area h3 { font-size: 1rem; }
  .areas--simple .area > p { font-size: 0.85rem; }
  .areas--simple .area--open { grid-column: 1 / -1; }
}

/* Observação ao fim de uma seção */
.section__note { margin: 32px 0 0; font-size: 0.95rem; color: var(--muted); }
@media (max-width: 640px) { .section__note { margin-top: 20px; font-size: 0.88rem; } }

/* Faixa "E muito mais" (após exemplos de agentes) */
.more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 24px;
  padding: 32px 36px;
  background: var(--navy);
  border-radius: var(--radius);
  color: var(--on-navy-muted);
}
.more h3 { margin-bottom: 6px; font-size: 1.6rem; font-weight: 300; color: var(--on-navy); }
.more p { max-width: 640px; margin: 0; }
.more .btn { flex-shrink: 0; }
.more .btn--primary { background: var(--on-navy); color: var(--navy); }
.more .btn--primary:hover { background: var(--white); }
@media (max-width: 900px) {
  .more { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .more { gap: 18px; margin-top: 14px; padding: 22px 18px; }
  .more h3 { font-size: 1.35rem; }
  .more p { font-size: 0.92rem; }
  .more .btn { width: 100%; }
}