/* ============================
   VARIÁVEIS
   ============================ */
:root {
  --color-bg: #064b77;
  --color-bg-dark: #043453;
  --color-white: #ffffff;
  --color-text: #e2e8f0;
  --color-muted: #9fb2cc;
  --color-border: #1b5c85;
  --color-accent: #f5c24c;
  --container-width: 1120px;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

/* RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-family);
  color: var(--color-white);
  background: var(--color-bg);
}

/* CONTAINER */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 10px;
}

/* FUNDO (efeito janela no azul) */
.bg-window {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.18),
      rgba(0, 0, 0, 0.4)
    ),
    #064b77;
}

/* HEADER / MENU */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  padding: 24px 0;
  background: transparent;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo no cabeçalho das internas */
.header-logo-wrap {
  display: inline-flex;
  align-items: center;
}
.header-logo {
  height: 60px;
  width: auto;
  display: block;
}

/* Navegação */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 40px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  text-decoration: none;
  color: var(--color-white);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.main-nav a:hover {
  text-decoration: underline;
}
.main-nav a.active {
  text-decoration: underline;
}

/* Home: header só com menu à direita */
.site-header-home .header-container {
  justify-content: flex-end;
}

/* HOME */
.body-home {
  background: #064b77;
}
main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 16px 40px; /* espaço para o menu fixo */
}
.center-content {
  text-align: center;
}
.center-content img {
  width: 320px;          /* tamanho aproximado da logo da imagem */
  max-width: 80vw;
  height: auto;
  display: block;
  margin: 0 auto 24px;
}
.center-content h1 {
  font-size: 40px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* SEÇÕES GERAIS */
.section {
  padding: 110px 0 72px;
  background: var(--color-bg);
}
.section:nth-of-type(even) {
  background: var(--color-bg-dark);
}
.section h1,
.section h2 {
  margin-top: 0;
  margin-bottom: 16px;
}
.section h1 {
  font-size: 32px;
}
.section h2 {
  font-size: 24px;
}
.section p {
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--color-text);
}
.section ul {
  padding-left: 18px;
  color: var(--color-text);
}
.section li {
  margin-bottom: 6px;
}

/* HERO INTERNAS */
.page-hero {
  padding-top: 150px; /* folga abaixo do cabeçalho fixo */
  padding-bottom: 56px;
  background: linear-gradient(
      to bottom,
      rgba(5, 51, 82, 0.95),
      rgba(6, 75, 119, 0.95)
    ),
    #043453;
}
.section-intro {
  margin-bottom: 24px;
}

/* SOBRE – FOTO + TEXTO */
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 32px;
  align-items: center;
}
.about-photo img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

/* BOTÕES */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-accent);
  color: #1a1a1a;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: #ffd56b;
}

/* EMPREENDIMENTOS */
.projects {
  background: var(--color-bg-dark);
}
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}
.project-card {
  border-radius: 14px;
  border: 1px solid var(--color-border);
  padding: 16px 18px;
  background: rgba(2, 24, 38, 0.7);
}
.project-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}
.project-meta {
  font-size: 14px;
  margin-bottom: 4px;
  color: var(--color-text);
}
.project-status {
  font-size: 13px;
  color: var(--color-muted);
}

/* CONTATO */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 24px;
}
.contact-info a {
  color: var(--color-accent);
  text-decoration: none;
}
.contact-info a:hover {
  text-decoration: underline;
}
.contact-form {
  border-radius: 14px;
  border: 1px solid var(--color-border);
  padding: 16px;
  background: rgba(2, 24, 38, 0.85);
}
.form-group {
  margin-bottom: 12px;
}
label {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}
input,
select,
textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #355b7b;
  background: #021826;
  color: var(--color-white);
  font-family: var(--font-family);
  font-size: 14px;
}
input:focus,
select:focus,
textarea:focus {
  outline: 1px solid var(--color-accent);
}
textarea {
  resize: vertical;
}
.form-note {
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

/* FOOTER */
.site-footer {
  padding: 24px 0;
  background: #02131f;
  text-align: center;
}
.site-footer p {
  margin: 4px 0;
  font-size: 13px;
  color: var(--color-muted);
}

/* RESPONSIVO */
@media (min-width: 768px) {
  .center-content h1 {
    font-size: 46px;
  }
  .projects-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .contact-grid {
    grid-template-columns: 1fr 1.1fr;
  }
}
@media (max-width: 768px) {
  .header-container {
    justify-content: space-between;
  }
  .main-nav ul {
    gap: 16px;
  }
  .main-nav a {
    font-size: 11px;
    letter-spacing: 0.12em;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-photo {
    max-width: 260px;
    margin: 0 auto 20px;
  }
}
@media (max-width: 480px) {
  .header-logo {
    height: 50px;
  }
  .center-content img {
    width: 260px;
  }
  .center-content h1 {
    font-size: 30px;
  }
}