/* ============================================================
   NurseAider Aide-Side Site — Shared Styles
   Master palette · Cambria/Calibri pairing · v0.1 mockup
   ============================================================ */

:root {
  --navy: #1F4654;
  --navy-deep: #163742;
  --teal: #4F8E96;
  --soft-teal: #6B9DA4;
  --deep-teal: #2E6B73;
  --gold: #D4A24C;
  --cream: #F4F1EC;
  --text: #1F2933;
  --muted: #52606D;
  --rule: #CBD3DA;
  --ok: #0E7C7B;
  --warn: #D97706;
  --bad: #B91C1C;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Calibri', 'Inter', 'Source Sans Pro', system-ui, sans-serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Cambria', 'Georgia', serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

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

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

.container { max-width: 1380px; margin: 0 auto; }

/* ============= TOP NAV ============= */
nav.top {
  position: absolute; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 56px;
  color: #fff;
}
nav.top.solid {
  position: relative;
  background: var(--navy-deep);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
nav.top.solid::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gold);
}
.brand-logo {
  display: flex; align-items: center; gap: 12px;
}
.brand-logo svg { height: 32px; width: auto; }
.brand-tag {
  font-family: 'Cambria', serif; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); padding-left: 14px; margin-left: 4px;
  border-left: 1px solid rgba(255,255,255,0.25);
  display: none;
}
@media (min-width: 1000px) {
  .brand-tag { display: inline-block; }
}

.nav-links {
  display: flex; gap: 32px; font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.nav-links a {
  color: rgba(255,255,255,0.85); transition: color 0.2s;
  padding: 4px 0; border-bottom: 1px solid transparent;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--gold); border-bottom-color: var(--gold);
}
.nav-cta {
  background: transparent; border: 1px solid rgba(255,255,255,0.4);
  color: #fff; padding: 10px 22px; border-radius: 2px;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.nav-cta:hover { background: var(--gold); border-color: var(--gold); color: var(--navy-deep); }

/* ============= BUTTONS ============= */
.btn-primary {
  display: inline-block;
  background: var(--gold); color: var(--navy-deep);
  padding: 16px 36px; border: none; border-radius: 2px;
  font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 700; cursor: pointer; transition: all 0.2s;
  font-family: inherit; text-decoration: none;
}
.btn-primary:hover { background: #c79438; transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  color: #fff; padding: 16px 0; border: none; background: transparent;
  font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
  cursor: pointer; border-bottom: 1px solid rgba(255,255,255,0.3);
  font-family: inherit; text-decoration: none;
}
.btn-outline {
  display: inline-block;
  border: 1px solid var(--navy); color: var(--navy);
  padding: 14px 32px; border-radius: 2px;
  font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 600; cursor: pointer; transition: all 0.2s;
  font-family: inherit; text-decoration: none;
}
.btn-outline:hover { background: var(--navy); color: #fff; }

/* ============= PAGE HEADER (inner pages) ============= */
.page-header {
  background: var(--navy);
  color: #fff;
  padding: 0 56px 80px;
  position: relative;
}
.page-header .container {
  padding-top: 80px;
}
.page-header .eyebrow {
  font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px;
}
.page-header .eyebrow::before { content: ''; width: 40px; height: 1px; background: var(--gold); }
.page-header h1 {
  font-size: 64px; line-height: 1.0; max-width: 900px;
  margin-bottom: 20px;
}
.page-header h1 .italic { color: var(--gold); font-style: italic; font-weight: 400; }
.page-header .lede {
  font-size: 19px; max-width: 640px; opacity: 0.85; font-weight: 300;
}
.page-header .crumb {
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); margin-bottom: 32px;
}
.page-header .crumb a:hover { color: var(--gold); }

/* ============= SECTIONS ============= */
.section { padding: 100px 56px; }
.section-eyebrow {
  font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--deep-teal); margin-bottom: 16px;
}
.section-title {
  font-size: 48px; line-height: 1.05; color: var(--navy-deep);
  margin-bottom: 24px; max-width: 800px;
}
.section-title .italic { font-style: italic; color: var(--teal); font-weight: 400; }
.section-lede {
  font-size: 18px; color: var(--muted); max-width: 640px; margin-bottom: 56px;
}

.section.dark { background: var(--navy); color: #fff; position: relative; }
.section.dark::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gold); }
.section.dark .section-eyebrow { color: var(--gold); }
.section.dark .section-title { color: #fff; }
.section.dark .section-lede { color: rgba(255,255,255,0.7); }

.section.cream { background: var(--cream); }
.section.white { background: #fff; }

/* ============= CARDS ============= */
.card {
  background: #fff;
  padding: 32px;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(31,70,84,0.06);
  border-left: 3px solid var(--gold);
}
.card h3 { font-size: 22px; color: var(--navy-deep); margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 15px; line-height: 1.65; }

.callout {
  background: var(--cream); padding: 28px 32px; border-radius: 4px;
  border-left: 3px solid var(--gold); margin: 32px 0;
}
.callout strong { color: var(--gold); display: block; margin-bottom: 6px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
}
.callout-dark {
  background: var(--navy-deep); color: #fff; padding: 28px 32px; border-radius: 4px;
  border-left: 3px solid var(--gold); margin: 32px 0;
}

/* ============= PROSE (long-form) ============= */
.prose { max-width: 760px; margin: 0 auto; }
.prose p { font-size: 17px; color: var(--text); margin-bottom: 22px; line-height: 1.7; }
.prose h2 { font-size: 32px; color: var(--navy-deep); margin: 56px 0 16px; }
.prose h3 { font-size: 22px; color: var(--navy-deep); margin: 36px 0 12px; }
.prose ul, .prose ol { margin: 0 0 24px 24px; }
.prose li { font-size: 16px; color: var(--text); margin-bottom: 10px; line-height: 1.6; }
.prose blockquote {
  border-left: 3px solid var(--gold);
  padding: 6px 0 6px 24px;
  font-style: italic; color: var(--muted);
  margin: 32px 0;
}

/* ============= TRUST STRIP ============= */
.trust-strip {
  background: var(--navy-deep);
  padding: 26px 56px; display: flex; justify-content: center; align-items: center;
  gap: 40px; flex-wrap: wrap;
}
.trust-item {
  color: rgba(255,255,255,0.75); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; display: flex; align-items: center; gap: 10px;
}
.trust-item::before { content: '◆'; color: var(--gold); font-size: 8px; }

/* ============= FOOTER ============= */
footer {
  background: #0e272f; color: rgba(255,255,255,0.6);
  padding: 56px 56px 28px;
  font-size: 13px;
}
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-top h4 {
  font-family: 'Calibri', sans-serif; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 16px;
}
.footer-top a {
  color: rgba(255,255,255,0.7); display: block; padding: 4px 0;
}
.footer-top a:hover { color: var(--gold); }
.footer-brand .footer-logo svg { height: 28px; width: auto; margin-bottom: 14px; }
.footer-brand p { line-height: 1.6; max-width: 340px; font-size: 13px; }
.footer-bottom {
  padding-top: 24px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  font-size: 11px; letter-spacing: 0.08em;
}
.footer-disclosure {
  background: rgba(212,162,76,0.08); border-left: 3px solid var(--gold);
  padding: 16px 20px; margin-top: 28px; font-size: 12px;
  color: rgba(255,255,255,0.85); line-height: 1.6;
}
.footer-disclosure strong { color: var(--gold); }

/* ============= UTILITIES ============= */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.gold-rule { width: 60px; height: 3px; background: var(--gold); margin: 0 0 24px; }
.muted-rule { width: 40px; height: 1px; background: var(--rule); margin: 0 0 16px; }

/* ============= RESPONSIVE ============= */
@media (max-width: 1100px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr 1fr; }
  .page-header h1 { font-size: 48px; }
  .section-title { font-size: 36px; }
  nav.top { padding: 18px 28px; }
}
@media (max-width: 700px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .page-header { padding-left: 28px; padding-right: 28px; }
  .page-header h1 { font-size: 36px; }
  .section { padding: 64px 28px; }
  footer { padding: 40px 28px 28px; }
  .footer-top { grid-template-columns: 1fr; }
  .trust-strip { padding: 20px 24px; gap: 20px; }
}