/* =================================================================
   VDEFENSYS — folha de estilo
   Organização:
   1. Variáveis (cores, medidas)   6. Áreas de atuação
   2. Base                          7. Soluções, abordagem, consultores
   3. Elementos comuns              8. Empresa (seção escura)
   4. Cabeçalho                     9. Rodapé e janelas
   5. Herói                        10. Celular e tablet
   ================================================================= */

/* 1. VARIÁVEIS — as cores são as do site original */
:root {
  --navy: #082343;        /* azul-marinho da marca */
  --navy-deep: #05182f;
  --blue: #0078b7;        /* azul de destaque */
  --cyan: #62c9f0;
  --ink: #172d46;         /* texto principal */
  --muted: #52687d;       /* texto secundário */
  --line: #d9e3ec;        /* linhas e bordas */
  --pale: #f1f6fa;        /* fundo claro alternado */
  --sky: #e2f1fb;         /* azul-claro do cabeçalho */
  --sky-line: #bfd7e9;
  --green: #07994b;       /* verde e amarelo da faixa da marca */
  --yellow: #f5ca31;

  --wrap: 1200px;         /* largura máxima do conteúdo */
  --header-h: 84px;
  --radius: 6px;
}

/* 2. BASE */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px); /* âncoras não ficam sob o cabeçalho */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
p { margin: 0 0 1em; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  color: var(--navy);
  text-wrap: balance;          /* evita uma palavra sozinha na última linha */
}
h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 820px;
}
h3 { font-size: 21px; line-height: 1.3; margin-bottom: 12px; }
h4 { font-size: 19px; line-height: 1.3; }

:focus-visible { outline: 3px solid #18a4d5; outline-offset: 4px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* 3. ELEMENTOS COMUNS */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 40px; }

.section { padding: 96px 0; }
.section-pale { background: var(--pale); }

/* Rótulo pequeno em maiúsculas acima dos títulos */
.eyebrow {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}

/* Numeração dos cartões ("01 / Defesa") */
.tag {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}

/* No computador, a segunda parte do título vai para a linha de baixo */
.nowrap-lg { display: block; }

.btn {
  display: inline-block;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background-color .2s, border-color .2s, color .2s;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #00669c; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

/* Faixa de cores da marca abaixo do herói */
.brand-line {
  height: 5px;
  background: linear-gradient(90deg, var(--blue) 0 78%, var(--green) 78% 90%, var(--yellow) 90%);
}

/* 4. CABEÇALHO */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--sky);
  border-bottom: 1px solid var(--sky-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: var(--header-h);
}
.brand img { width: 250px; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  position: relative;
  padding: 6px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}
.main-nav a::after {          /* sublinhado animado ao passar o mouse */
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transition: transform .2s;
}
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav .nav-cta { border: 1px solid var(--navy); border-radius: var(--radius); padding: 8px 18px; }

/* 5. HERÓI — imagem inteira ao fundo e véu escuro para o texto ficar legível */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: min(calc(100vh - var(--header-h)), 820px);
  display: flex;
  align-items: flex-end;
  background: var(--navy);
  color: #fff;
}
.hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  z-index: -2;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(0deg, rgba(5,24,47,.92) 0%, rgba(5,24,47,.55) 42%, rgba(5,24,47,.05) 75%),
    linear-gradient(90deg, rgba(5,24,47,.55) 0%, rgba(5,24,47,0) 60%);
}
.hero-content { width: 100%; padding-top: 140px; padding-bottom: 56px; }
.hero .eyebrow { color: #9fd8f2; }
.hero h1 {
  color: #fff;
  font-size: clamp(38px, 5.4vw, 70px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  max-width: 900px;
}
.hero h1 span { display: block; color: #9fd8f2; }
.hero .lead { max-width: 600px; font-size: 19px; color: #dbe7f1; margin-bottom: 30px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Os três botões dos princípios */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.principles button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(5,24,47,.5);
  border: 1px solid rgba(160,198,223,.45);
  border-radius: var(--radius);
  color: #e1edf7;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  cursor: pointer;
  transition: background-color .2s, border-color .2s;
}
.principles button::after { content: "+"; font-size: 18px; color: #9fd8f2; }
.principles button:hover { background: #135a80; border-color: #9fd8f2; }

/* 6. ÁREAS DE ATUAÇÃO */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
  margin-bottom: 44px;
}
.section-head h2 { margin-bottom: 0; }
.section-lead { max-width: 360px; margin: 0; color: var(--muted); }

.sectors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.sector {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}
.sector:hover { box-shadow: 0 14px 40px rgba(8,35,67,.12); transform: translateY(-3px); }
.sector img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.sector-body { padding: 28px 30px 30px; display: flex; flex-direction: column; flex: 1; }
.sector-body p { color: var(--muted); }
.sector-body .tag { color: var(--blue); }
.sector .keywords {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
}

/* 7. SOLUÇÕES */
.caps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; margin-top: 16px; }
.cap { padding: 30px 0 30px 24px; border-top: 1px solid var(--line); position: relative; }
.cap::before {               /* marcador azul à esquerda de cada frente */
  content: "";
  position: absolute; left: 0; top: 36px;
  width: 4px; height: 24px;
  background: var(--blue);
}
.cap p { margin: 0; color: var(--muted); }

/* ABORDAGEM (lista numerada de 4 etapas) */
.method {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}
.method li { border-top: 3px solid var(--blue); padding-top: 22px; }
.method h3 { font-size: 20px; }
.method p:last-child { margin: 0; color: var(--muted); font-size: 16px; }

/* CONSULTORES */
.section-blue { background: var(--sky); border-top: 4px solid var(--blue); }
.section-text { max-width: 880px; font-size: 18px; color: var(--muted); }
.cards-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 40px; }
.card {
  padding: 28px;
  background: rgba(255,255,255,.8);
  border: 1px solid var(--sky-line);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
}
.card p:last-child { margin: 0; color: var(--muted); }
.consultants-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--sky-line);
}
.consultants-cta p { margin: 0; color: var(--muted); }

/* 8. EMPRESA — fundo escuro com a imagem de abertura bem esmaecida */
.section-dark {
  position: relative;
  isolation: isolate;
  color: #dbe7f1;
  background:
    linear-gradient(90deg, rgba(5,24,47,.95), rgba(5,24,47,.86)),
    url("../img/hero-setores.webp") center / cover no-repeat,
    var(--navy);
}
.section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark .eyebrow { color: #9fd8f2; }
.section-dark p { color: #cfdde9; }

/* Liderança: foto + texto */
.ceo {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.ceo-photo {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.ceo-name { font-size: 34px; margin-bottom: 4px; }
.section-dark .ceo-role { margin-bottom: 18px; font-weight: 700; color: #9fd8f2; }

/* Trajetória expansível */
.bio {
  margin-top: 36px;
  border-top: 1px solid rgba(255,255,255,.22);
  border-bottom: 1px solid rgba(255,255,255,.22);
}
.bio > summary {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 17px;
  color: #fff;
}
.bio > summary::-webkit-details-marker { display: none; }
.bio > summary::after { content: "+"; font-size: 22px; color: #9fd8f2; }
.bio[open] > summary::after { content: "−"; }
.bio-content { max-width: 900px; padding: 4px 0 24px; }
.bio-content h4 { margin: 26px 0 12px; color: #9fd8f2; }
.courses { margin: 0 0 1em; padding-left: 20px; }
.courses li { margin-bottom: 10px; color: #cfdde9; }
.courses strong, .bio-content strong { color: #fff; }

/* Missão, visão e valores */
.company { margin-top: 80px; }
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin: 36px 0 48px; }
.mission-grid h3 { color: #9fd8f2; font-size: 19px; }
.mission-grid p { margin: 0; }
.values-title { font-size: 22px; margin-bottom: 8px; }
.values { border-top: 1px solid rgba(255,255,255,.22); }
.values details { border-bottom: 1px solid rgba(255,255,255,.22); }
.values summary {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.values summary::-webkit-details-marker { display: none; }
.values summary::after { content: "+"; font-size: 22px; color: #9fd8f2; }
.values details[open] summary::after { content: "−"; }
.values details p { max-width: 840px; margin: 0 0 20px; }
.values-summary { margin: 32px 0 0; max-width: 1000px; font-size: 17px; line-height: 1.8; }
.values-summary strong { color: #fff; }

/* 9. RODAPÉ */
.site-footer { background: var(--navy-deep); color: #a9bccd; padding: 36px 0; font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; align-items: flex-end; }
.site-footer strong { color: #fff; font-size: 17px; letter-spacing: 0.04em; }
.site-footer p { margin: 4px 0 0; }
.footer-right { text-align: right; }

/* JANELAS DOS PRINCÍPIOS (popover) */
.principle {
  width: min(620px, calc(100% - 32px));
  margin: auto;
  padding: 36px;
  border: 1px solid #ccdce8;
  border-top: 4px solid var(--blue);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
}
.principle::backdrop { background: rgba(3,16,31,.75); }
.principle h2 { font-size: 30px; margin: 4px 0 16px; }
.principle p { color: var(--muted); font-size: 17px; margin: 0; }
.principle .eyebrow { color: var(--blue); }
.principle-close {
  float: right;
  margin: -8px -8px 8px 16px;
  padding: 6px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--navy);
  cursor: pointer;
}
.principle-close:hover { background: var(--pale); }

/* 10. TABLET */
@media (max-width: 1000px) {
  .wrap { padding: 0 28px; }
  .section { padding: 72px 0; }
  .nowrap-lg { display: inline; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .section-lead { max-width: 640px; }
  .method { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ceo { grid-template-columns: 240px minmax(0, 1fr); gap: 32px; }
}

/* CELULAR */
@media (max-width: 720px) {
  :root { --header-h: 108px; }
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .section { padding: 56px 0; }

  /* Cabeçalho: logo em cima, menu numa linha logo abaixo (rolável se faltar espaço) */
  .header-inner { flex-direction: column; align-items: flex-start; gap: 4px; padding-top: 10px; }
  .brand img { width: 190px; }
  .main-nav { width: 100%; gap: 22px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav a { font-size: 14px; white-space: nowrap; }

  /* Herói: imagem em cima, texto embaixo sobre fundo azul */
  .hero { display: block; min-height: 0; }
  .hero-art { position: relative; height: auto; aspect-ratio: 3 / 2; }
  .hero::before {
    top: 0; bottom: auto;
    height: calc((100vw) * 2 / 3);
    background: linear-gradient(0deg, var(--navy) 0%, rgba(8,35,67,0) 40%);
  }
  .hero-content { padding-top: 8px; padding-bottom: 40px; }
  .hero .lead { font-size: 17px; }
  .principles { grid-template-columns: 1fr; margin-top: 32px; }

  .intro { grid-template-columns: 1fr; gap: 8px; }
  .sectors, .caps, .cards-3, .mission-grid, .method { grid-template-columns: 1fr; }
  .mission-grid { gap: 28px; }
  .sector-body { padding: 22px 22px 24px; }

  .ceo { grid-template-columns: 1fr; gap: 24px; }
  .ceo-photo { max-width: 280px; }
  .ceo-name { font-size: 28px; }
  .company { margin-top: 56px; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-right { text-align: left; }
  .consultants-cta { flex-direction: column; align-items: flex-start; }
  .principle { padding: 26px 22px; }
  .principle h2 { font-size: 24px; }
}

/* Introdução em duas colunas (fora das media queries por clareza) */
.intro { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.intro p { color: var(--muted); }
.intro h2 { margin-bottom: 0; }
@media (max-width: 720px) { .intro { grid-template-columns: 1fr; gap: 8px; } }