/* AH&A Engenharia — folha de estilo compartilhada
   Paleta restrita ao manual de identidade visual: #0B2545 (azul institucional) e #FFFFFF.
   Tons de cinza abaixo são derivados do azul institucional para estrutura, não são cores novas. */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,500;8..60,600;8..60,700&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --navy: #0B2545;
  --navy-deep: #071830;
  --navy-mid: #163459;
  --paper: #FFFFFF;
  --mist: #F4F5F7;
  --line: #DDE1E7;
  --line-on-dark: rgba(255,255,255,0.16);
  --ink-soft: #56606F;
  --ink-soft-on-dark: #A9B4C4;

  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'Public Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --maxw: 1360px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ---------- header ---------- */

header.site {
  position: sticky;
  top: 18px;
  z-index: 50;
  padding: 0 20px;
}

.header-pill {
  max-width: var(--maxw);
  margin: 0 auto;
  background: var(--paper);
  border-radius: 999px;
  box-shadow: 0 8px 28px rgba(7,24,48,0.14);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 12px 26px;
}

.logo-link img { height: 78px; width: auto; }

nav.primary { display: flex; align-items: center; gap: 30px; }

nav.primary a {
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--navy);
  opacity: 0.62;
  padding: 6px 2px;
}
nav.primary a.current,
nav.primary a:hover { opacity: 1; }

a.pill-cta {
  display: inline-flex;
  align-items: center;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  padding: 11px 20px;
  border-radius: 999px;
  white-space: nowrap;
}

.nav-toggle { display: none; }

@media (max-width: 880px) {
  nav.primary {
    position: absolute;
    top: calc(100% + 8px); left: 20px; right: 20px;
    background: var(--paper);
    border-radius: 18px;
    box-shadow: 0 8px 28px rgba(7,24,48,0.14);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  nav.primary.open { max-height: 360px; padding: 8px 0; }
  nav.primary a { padding: 12px 24px; opacity: 1; }
  nav.primary a.current { color: var(--navy); font-weight: 700; }
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    width: 34px; height: 34px;
    cursor: pointer;
    position: relative;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    content: "";
    position: absolute;
    left: 7px; right: 7px;
    height: 2px;
    background: var(--navy);
  }
  .nav-toggle span { top: 16px; }
  .nav-toggle span::before { top: -6px; }
  .nav-toggle span::after { top: 6px; }
}

a:focus-visible, button:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }

/* ---------- hero (dark) ---------- */

.hero {
  background: var(--navy);
  color: #fff;
  padding: 150px 0 200px;
  position: relative;
  overflow: hidden;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft-on-dark);
  margin: 0 0 22px;
}

h1.hero-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 26px;
  max-width: 16ch;
}

.hero-sub {
  font-size: 17px;
  color: var(--ink-soft-on-dark);
  max-width: 46ch;
  margin: 0 0 36px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

a.cta-light {
  display: inline-flex;
  align-items: center;
  background: #fff;
  color: var(--navy);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 26px;
  border-radius: 999px;
}

a.cta-outline {
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: 1px solid var(--line-on-dark);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 25px;
  border-radius: 999px;
}

.hero-scroll {
  position: absolute;
  bottom: 46px;
  left: 32px;
  color: var(--ink-soft-on-dark);
  font-size: 22px;
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* curved transition from dark hero into light section */
.curve-cut {
  position: relative;
  margin-top: -140px;
  background: var(--paper);
  border-radius: 64px 64px 0 0;
  z-index: 2;
}

@media (max-width: 700px) {
  .hero { padding: 120px 0 130px; }
  .curve-cut { margin-top: -80px; border-radius: 36px 36px 0 0; }
}

/* ---------- section shell ---------- */

section { padding: 92px 0; }
section.on-mist { background: var(--mist); }
section.tight { padding: 64px 0; }

.section-head { max-width: 640px; margin-bottom: 48px; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

h2.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.2;
  margin: 0;
  color: var(--navy);
}

p.section-lede { font-size: 16px; color: var(--ink-soft); max-width: 60ch; margin: 16px 0 0; }

/* ---------- stat block ---------- */

.stat-block {
  display: flex;
  align-items: baseline;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 36px;
  margin-top: 8px;
}
.stat-number {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(48px, 7vw, 84px);
  color: var(--navy);
  line-height: 1;
}
.stat-label { font-size: 15px; color: var(--ink-soft); max-width: 26ch; }

/* ---------- flat grid (no hierarchy) ---------- */

.flat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.flat-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.grid-card {
  background: var(--paper);
  padding: 36px 32px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 190px;
}
.grid-card.link:hover { background: var(--mist); }

.grid-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 10px;
  color: var(--navy);
}
.grid-card p { font-size: 14.5px; color: var(--ink-soft); margin: 0; flex-grow: 1; }
.grid-card .arrow { font-family: var(--font-mono); font-size: 13px; color: var(--navy); margin-top: 18px; }

@media (max-width: 900px) {
  .flat-grid, .flat-grid.cols-2 { grid-template-columns: 1fr; }
}

/* ---------- two-up preview cards (home) ---------- */

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.preview-card {
  background: var(--paper);
  padding: 44px 38px;
  text-decoration: none;
  color: inherit;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.preview-card:hover { background: var(--mist); }
.preview-card .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.preview-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  margin: 0 0 10px;
}
.preview-card p { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 16px; }
.preview-card .arrow { font-family: var(--font-mono); font-size: 13px; color: var(--navy); }

@media (max-width: 700px) {
  .preview-grid { grid-template-columns: 1fr; }
}

/* ---------- about block ---------- */

.about-block { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: start; }
.about-block p { color: var(--ink-soft); font-size: 15.5px; margin: 0 0 16px; }

@media (max-width: 780px) {
  .about-block { grid-template-columns: 1fr; }
}

/* ---------- contact (dark) ---------- */

section.contact { background: var(--navy); color: #fff; }
section.contact .section-eyebrow { color: var(--ink-soft-on-dark); }
section.contact h2.section-title { color: #fff; }
section.contact p.section-lede { color: var(--ink-soft-on-dark); }

.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: start; margin-top: 44px; }

.contact-methods { list-style: none; margin: 0; padding: 0; }
.contact-methods li { padding: 16px 0; border-top: 1px solid var(--line-on-dark); }
.contact-methods li:last-child { border-bottom: 1px solid var(--line-on-dark); }
.contact-methods .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft-on-dark);
  display: block;
  margin-bottom: 6px;
}
.contact-methods a { text-decoration: none; font-size: 18px; font-weight: 600; color: #fff; }
.contact-methods span.value { font-size: 18px; font-weight: 600; }

.contact-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-on-dark);
  padding: 32px;
}
.contact-card p { color: var(--ink-soft-on-dark); font-size: 14.5px; margin: 0 0 22px; }
.contact-card a.cta-light { width: 100%; justify-content: center; }

@media (max-width: 780px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- page hero (internal pages, shorter) ---------- */

.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 150px 0 290px;
  min-height: 420px;
  display: flex;
  align-items: center;
}
@media (max-width: 700px) { .page-hero { padding: 150px 0 230px; } }
.page-hero .wrap { width: 100%; }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; align-items: center; }
.hero-col-body { padding-top: 0; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 24px; } }
.page-hero .hero-eyebrow { margin-bottom: 18px; }
h1.page-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.15;
  margin: 0;
  max-width: 22ch;
}
.page-hero p.hero-sub { margin: 0; max-width: 42ch; }

/* ---------- footer ---------- */

footer.site { background: var(--navy-deep); color: var(--ink-soft-on-dark); padding: 48px 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.footer-brand img { height: 58px; margin-bottom: 18px; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col { font-size: 13.5px; line-height: 2; }
.footer-col .head { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: #6E7A8C; margin-bottom: 10px; }
.footer-col a { text-decoration: none; color: var(--ink-soft-on-dark); }
.footer-col a:hover { color: #fff; }
.footer-legal { font-family: var(--font-mono); font-size: 11.5px; color: #5C6980; margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }


.grid-card ul.svc-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 6px; }
.grid-card ul.svc-list li { font-size: 13.5px; color: var(--ink-soft); padding-left: 14px; position: relative; }
.grid-card ul.svc-list li::before { content: "–"; position: absolute; left: 0; color: var(--ink-soft); opacity: .6; }
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 780px) { .svc-grid { grid-template-columns: 1fr; } }
.empty-state { border: 1px dashed var(--line); border-radius: 4px; padding: 52px 32px; text-align: center; }
.empty-state p { margin: 0 auto; max-width: 46ch; color: var(--ink-soft); }

/* ---------- post list ---------- */

.post-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.post-list li { border-bottom: 1px solid var(--line); }
.post-list a { display: block; padding: 30px 4px; text-decoration: none; color: inherit; }
.post-list a:hover { background: var(--mist); }
.post-list .post-date {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 10px;
}
.post-list h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  margin: 0 0 8px;
  color: var(--navy);
}
.post-list p { font-size: 14.5px; color: var(--ink-soft); margin: 0; max-width: 60ch; }

/* ---------- post (blog article) ---------- */

.post-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 40px;
}

.post-content { max-width: 70ch; margin: 0 auto; }

.post-content p {
  color: var(--navy);
  font-size: 16.5px;
  line-height: 1.75;
  margin: 0 0 22px;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
  -ms-hyphens: auto;
}

.post-content h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.25;
  color: var(--navy);
  margin: 46px 0 16px;
}

.post-content h2:first-of-type { margin-top: 8px; }

.post-sources {
  max-width: 70ch;
  margin: 12px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.post-sources li { font-size: 14px; color: var(--ink-soft); margin: 0 0 10px; line-height: 1.5; }
.post-sources a { color: var(--navy); text-decoration: underline; text-decoration-color: var(--line); }
.post-sources a:hover { text-decoration-color: var(--navy); }

.post-cta {
  max-width: 70ch;
  margin: 40px auto 0;
  font-size: 15px;
}
.post-cta a { color: var(--navy); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--navy); }