/* ==========================================================================
   IGASI Saúde — stylesheet
   Palette: navy (institutional trust) + turquoise (health/care accent)
   Replace the placeholder hex values below if you have the exact brand
   colors from your logo file.
   ========================================================================== */

:root {
  --navy-900: #0c3448;
  --navy-800: #123f56;
  --navy-700: #1a4f6c;
  --teal-500: #1ea6a1;
  --teal-400: #34bdb6;
  --teal-100: #e3f5f3;
  --paper: #f7faf9;
  --ink: #14262c;
  --ink-soft: #46626b;
  --line: #d9e6e4;
  --white: #ffffff;

  --font-head: "Libre Franklin", "Segoe UI", Arial, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;

  --max: 1120px;
  --radius: 6px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-head);
  color: var(--navy-900);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; max-width: 62ch; }

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

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy-900);
  color: var(--white);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---- Header ---- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { height: 44px; width: auto; }
.brand-fallback {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy-900);
  letter-spacing: 0.01em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 1rem;
  cursor: pointer;
}

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.main-nav a, .main-nav button.nav-link {
  display: inline-block;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--navy-800);
  font-weight: 600;
  font-size: 0.96rem;
  border-radius: var(--radius);
  background: none;
  border: none;
  font-family: var(--font-body);
  cursor: pointer;
}

.main-nav a:hover,
.main-nav button.nav-link:hover,
.main-nav a:focus-visible,
.main-nav button.nav-link:focus-visible {
  background: var(--teal-100);
  color: var(--navy-900);
}

.has-dropdown { position: relative; }

.dropdown {
  list-style: none;
  margin: 0;
  padding: 8px;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(12, 52, 72, 0.12);
  display: none;
  flex-direction: column;
}

.has-dropdown.is-open .dropdown {
  display: flex;
}
/* Deliberately no CSS :hover trigger here. Feature-detecting "is this a mouse"
   via @media (hover: hover) is unreliable across devices/browsers, and any
   :hover trigger on a device without a real mouse-leave event leaves the menu
   stuck open with no way to close it. Opening/closing is fully handled by the
   click/tap JS in assets/js/main.js instead, which works consistently everywhere. */

.dropdown li a {
  padding: 9px 12px;
  font-weight: 500;
  font-size: 0.92rem;
  border-radius: 4px;
}

.dropdown-note {
  padding: 9px 12px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-style: italic;
}

.dropdown-label {
  padding: 10px 12px 4px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--teal-500);
  text-transform: none;
  letter-spacing: 0.01em;
}
.dropdown-label:not(:first-child) {
  margin-top: 6px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.dropdown-scroll {
  max-height: 70vh;
  overflow-y: auto;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  color: var(--white);
  background: linear-gradient(180deg, rgba(12,52,72,0.82), rgba(12,52,72,0.9)), var(--navy-900);
  background-size: cover;
  background-position: center;
}

.hero-media {
  height: 420px;
  background-color: var(--navy-800);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}

.hero-inner {
  width: 100%;
  background: linear-gradient(0deg, rgba(9,38,53,0.92) 0%, rgba(9,38,53,0.35) 65%, rgba(9,38,53,0) 100%);
  padding: 64px 0 40px;
}

.eyebrow {
  display: inline-block;
  font-weight: 700;
  color: var(--teal-400);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  max-width: 18ch;
}

.hero p {
  color: #dcebe9;
  font-size: 1.08rem;
  max-width: 56ch;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--teal-500);
  color: var(--navy-900);
}
.btn-primary:hover { background: var(--teal-400); }

.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

/* ---- Sections ---- */
section { padding: 64px 0; }
.section-alt { background: var(--paper); }

.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.section-head p { color: var(--ink-soft); }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pillar {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}
.pillar h3 { font-size: 1.1rem; color: var(--teal-500); margin-bottom: 10px; }
.pillar p { color: var(--ink-soft); margin: 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-grid img { border-radius: var(--radius); }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-info dl {
  margin: 24px 0 0;
}
.contact-info dt {
  font-weight: 700;
  color: var(--navy-800);
  margin-top: 16px;
}
.contact-info dd { margin: 4px 0 0; color: var(--ink-soft); }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.92rem;
  color: var(--navy-800);
}
.field input, .field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.98rem;
  background: var(--paper);
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--teal-500);
  outline-offset: 1px;
  background: var(--white);
}
.field textarea { min-height: 130px; resize: vertical; }

.form-note {
  font-size: 0.84rem;
  color: var(--ink-soft);
  border-left: 3px solid var(--teal-400);
  padding-left: 10px;
  margin-top: 6px;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--navy-900);
  color: #cfe3e1;
  padding: 56px 0 24px;
}
.site-footer a { color: #cfe3e1; text-decoration: none; }
.site-footer a:hover { color: var(--teal-400); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
}

.footer-brand img { height: 40px; margin-bottom: 12px; }
.footer-brand p { color: #a9c4c1; font-size: 0.92rem; }

.footer-grid h3 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 9px; font-size: 0.93rem; }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.14);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #a9c4c1;
}
.back-to-top { font-weight: 600; }

/* ---- Breadcrumb ---- */
.breadcrumb {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  font-size: 0.88rem;
}
.breadcrumb ol {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.breadcrumb a { text-decoration: none; color: var(--navy-700); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--line); }

/* ---- Prose (plain content pages) ---- */
.prose {
  max-width: 68ch;
}
.prose p {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

/* ---- Document page ---- */
.doc-header { max-width: 760px; }
.doc-header h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.doc-header p { color: var(--ink-soft); }

.doc-actions { margin: 22px 0 36px; }

.doc-viewer {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
  min-height: 640px;
}
.doc-viewer iframe {
  width: 100%;
  height: 720px;
  border: 0;
  display: block;
}
.doc-fallback {
  padding: 40px;
  text-align: center;
  color: var(--ink-soft);
}

.doc-footnote {
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .pillars { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 6px; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(12,52,72,0.1);
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: 12px; gap: 2px; }
  .main-nav li { width: 100%; }
  .main-nav a, .main-nav button.nav-link { width: 100%; text-align: left; }
  .dropdown {
    position: static;
    box-shadow: none;
    border: none;
    display: none;
    padding-left: 12px;
    min-width: 0;
  }

  .hero-media { height: 360px; }
}