/* Dr. Leandro Nunes Azevedo — design system */

:root {
  --color-ink: #0f2027;
  --color-ink-soft: #3a4a50;
  --color-paper: #ffffff;
  --color-paper-soft: #f4f7f8;
  --color-line: #dde5e7;
  --color-brand: #0b5563;
  --color-brand-dark: #073c47;
  --color-brand-tint: #e7f1f3;
  --color-accent: #3f8f9c;
  --color-focus: #1b7a8c;
  --radius: 10px;
  --max-width: 960px;
  --font-sans: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-ink: #eef3f4;
    --color-ink-soft: #b9c6c9;
    --color-paper: #0d1b1f;
    --color-paper-soft: #122a30;
    --color-line: #1f3b42;
    --color-brand: #5fb8c7;
    --color-brand-dark: #8fd3df;
    --color-brand-tint: #122f35;
    --color-accent: #5fb8c7;
    --color-focus: #7fcbd8;
  }
}

:root[data-theme="dark"] {
  --color-ink: #eef3f4;
  --color-ink-soft: #b9c6c9;
  --color-paper: #0d1b1f;
  --color-paper-soft: #122a30;
  --color-line: #1f3b42;
  --color-brand: #5fb8c7;
  --color-brand-dark: #8fd3df;
  --color-brand-tint: #122f35;
  --color-accent: #5fb8c7;
  --color-focus: #7fcbd8;
}

* { box-sizing: border-box; }

html { color-scheme: light dark; }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-brand); text-decoration-color: var(--color-line); text-underline-offset: 3px; }
a:hover { color: var(--color-focus); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-brand);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

header.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-ink);
}
.brand img { height: 34px; width: auto; display: block; }
.brand .brand-name { font-family: var(--font-serif); font-weight: 600; font-size: 1.15rem; letter-spacing: .01em; }
.brand .brand-crm { display: block; font-size: .72rem; color: var(--color-ink-soft); font-weight: 400; }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
nav.main-nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
  font-size: .95rem;
  font-weight: 600;
}
nav.main-nav a[aria-current="page"], nav.main-nav a:hover { color: var(--color-brand); }

main { max-width: var(--max-width); margin: 0 auto; padding: 0 20px 72px; }

.hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 40px;
}
.hero .eyebrow {
  color: var(--color-brand);
  font-weight: 700;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin: 0 0 10px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0 0 10px;
  line-height: 1.15;
}
.hero .subtitle { font-size: 1.1rem; color: var(--color-ink-soft); margin: 0 0 18px; max-width: 54ch; }
.credential-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.credential-pill {
  background: var(--color-brand-tint);
  color: var(--color-brand-dark);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: .85rem;
  font-weight: 600;
}

section.block { margin: 48px 0; }
section.block h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin: 0 0 6px;
}
section.block .section-note { color: var(--color-ink-soft); margin: 0 0 22px; max-width: 64ch; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px 22px;
  background: var(--color-paper-soft);
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--color-ink-soft); font-size: .94rem; }

.timeline { border-left: 2px solid var(--color-line); margin: 0; padding: 0 0 0 22px; }
.timeline li { margin-bottom: 18px; list-style: none; }
.timeline .year { font-weight: 700; color: var(--color-brand); font-size: .85rem; display: block; }
.timeline .what { font-weight: 600; }
.timeline .where { color: var(--color-ink-soft); font-size: .92rem; }

.portal-banner {
  background: var(--color-brand-tint);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.portal-banner p { margin: 0; max-width: 56ch; }
.btn {
  display: inline-block;
  background: var(--color-brand);
  color: #fff;
  padding: 11px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: .95rem;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--color-brand-dark); color: #fff; }
.btn.secondary { background: transparent; color: var(--color-brand); border: 1.5px solid var(--color-brand); }
.btn.secondary:hover { background: var(--color-brand-tint); }

address { font-style: normal; color: var(--color-ink-soft); line-height: 1.8; }

table.legal-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .92rem; }
table.legal-table th, table.legal-table td {
  border: 1px solid var(--color-line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
table.legal-table th { background: var(--color-paper-soft); }

.legal-doc h1 { font-family: var(--font-serif); font-size: 1.9rem; margin-bottom: 4px; }
.legal-doc .meta { color: var(--color-ink-soft); font-size: .88rem; margin-bottom: 36px; }
.legal-doc h2 { font-size: 1.2rem; margin-top: 36px; }
.legal-doc h3 { font-size: 1.02rem; margin-top: 22px; }
.legal-doc p, .legal-doc li { color: var(--color-ink-soft); }
.legal-doc ul { padding-left: 1.2em; }

form.contact-form { display: grid; gap: 16px; max-width: 520px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .92rem; }
.field input, .field textarea {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  background: var(--color-paper);
  color: var(--color-ink);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--color-ink-soft); }
.form-status[role="status"] { font-weight: 600; }

.status-grid { display: grid; gap: 14px; }
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 14px 18px;
  background: var(--color-paper-soft);
}
.status-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 10px; }
.status-dot.ok { background: #2a9d5c; }
.status-dot.unknown { background: #c9a227; }
.status-dot.down { background: #c0392b; }

footer.site-footer {
  border-top: 1px solid var(--color-line);
  margin-top: 60px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  justify-content: space-between;
  align-items: flex-start;
  font-size: .88rem;
  color: var(--color-ink-soft);
}
.footer-inner nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 14px 20px; margin: 0; padding: 0; }
.footer-inner nav a { color: var(--color-ink-soft); text-decoration: none; }
.footer-inner nav a:hover { color: var(--color-brand); }
.footer-crm { font-weight: 600; color: var(--color-ink); }

@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
}