/* MHC Segurança — folha de estilo compartilhada */

:root {
  --color-primary: #7a1420;
  --color-primary-dark: #4a0d15;
  --color-primary-light: #a83341;
  --color-black: #0d0d0d;
  --color-dark: #1a1a1a;
  --color-white: #ffffff;
  --color-gray-light: #f4f4f4;
  --color-gray: #5a5a5a;
  --color-gray-border: #e2e2e2;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1180px;
  --radius: 6px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.6;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 8px; top: 8px; }

/* Header */
.site-header {
  background: var(--color-black);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 3px solid var(--color-primary);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.brand img { height: 40px; width: auto; }
.brand span { font-size: 1.05rem; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid #fff;
  border-radius: 4px;
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  padding: 6px 10px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-black);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 14px;
    border-bottom: 3px solid var(--color-primary);
  }
  .main-nav.is-open { display: flex; }
  .site-header { position: relative; }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-primary-dark) 55%, var(--color-primary) 100%);
  color: #fff;
  padding: 90px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0 2px, transparent 2px 40px);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 18px;
}
.hero p.lead {
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 32px;
  color: rgba(255,255,255,0.9);
}
.button-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
  border: 2px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-white); color: var(--color-primary-dark); }
.btn-primary:hover { box-shadow: var(--shadow); }
.btn-outline { border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-whatsapp { background: #25D366; color: #063d1e; }

/* Page header (non-home pages) */
.page-hero {
  background: linear-gradient(135deg, var(--color-black), var(--color-primary-dark));
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin: 0 0 10px;
}
.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
}
.breadcrumb a { text-decoration: underline; }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--color-gray-light); }
.section-dark {
  background: radial-gradient(circle at top left, var(--color-primary-dark), var(--color-black) 70%);
  color: #fff;
}
.section-title {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 12px;
}
.section-subtitle {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
  color: var(--color-gray);
}
.section-dark .section-subtitle { color: rgba(255,255,255,0.8); }

/* Cards grid (services) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.card-body {
  background: var(--color-primary);
  color: #fff;
  padding: 18px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-body h3 { margin: 0; font-size: 1.05rem; text-transform: uppercase; }
.card-body p { margin: 0; font-size: 0.85rem; color: rgba(255,255,255,0.85); flex: 1; }
.card-body .card-link { font-weight: 700; font-size: 0.85rem; text-decoration: underline; align-self: flex-start; }

/* Project cards */
.project-card { background: rgba(255,255,255,0.06); border-radius: var(--radius); overflow: hidden; }
.project-card img { aspect-ratio: 4/3; object-fit: cover; }
.project-card .project-body { padding: 16px 18px 20px; }
.project-card h3 { margin: 0 0 8px; font-size: 1rem; text-transform: uppercase; }
.project-card p { margin: 0; font-size: 0.88rem; color: rgba(255,255,255,0.85); }

/* Content / prose pages */
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { margin-top: 2em; text-transform: uppercase; font-size: 1.3rem; letter-spacing: 0.5px; }
.prose h3 { margin-top: 1.6em; font-size: 1.1rem; }
.prose ul { padding-left: 1.2em; }
.prose p { color: #333; }

.service-detail {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.service-detail img { border-radius: var(--radius); box-shadow: var(--shadow); }
@media (max-width: 780px) {
  .service-detail { grid-template-columns: 1fr; }
}
.feature-list { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 12px; }
.feature-list li { padding-left: 28px; position: relative; }
.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.related-services {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-gray-border);
}
.related-services ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.related-services a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-gray-border);
  border-radius: 999px;
  font-size: 0.85rem;
}
.related-services a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* CTA banner */
.cta-banner {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 48px 0;
}
.cta-banner h2 { margin: 0 0 8px; text-transform: uppercase; }
.cta-banner p { margin: 0 0 24px; color: rgba(255,255,255,0.9); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 780px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; }
.info-list .icon { font-size: 1.3rem; }
form.contact-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.contact-form label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
}
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form button {
  justify-self: start;
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: background 0.2s;
}
.contact-form button:hover { background: var(--color-primary-dark); }
.form-note { font-size: 0.8rem; color: var(--color-gray); }

/* Footer */
.site-footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.85);
  padding-top: 56px;
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 780px) {
  .site-footer .container { grid-template-columns: 1fr; }
}
.site-footer h3 {
  color: #fff;
  text-transform: uppercase;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  margin: 0 0 16px;
}
.site-footer p { font-size: 0.88rem; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand img { height: 34px; }
.social-row { display: flex; gap: 12px; margin-top: 16px; }
.social-row a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.social-row a:hover { background: var(--color-primary); border-color: var(--color-primary); }
.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  padding: 18px 0;
  color: rgba(255,255,255,0.6);
}
.footer-bottom a { text-decoration: underline; }

/* Floating WhatsApp button */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #25D366;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
  z-index: 200;
  font-size: 1.6rem;
}
.whatsapp-float:hover { transform: scale(1.06); }

/* Breadcrumb / misc */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.badge-row {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}