/* ============================================================
   CommandCareAfrica — Marketing site design system
   Palette: navy / teal / mint (brand), warm paper background
   Type: Source Serif 4 (display) + IBM Plex Sans (body) + IBM Plex Mono (utility/ledger)
   ============================================================ */

:root {
  --navy: #0B1F2E;
  --navy-soft: #122E42;
  --teal: #0E6E66;
  --teal-dark: #0A4F49;
  --teal-light: #E4F1EE;
  --mint: #8FE3C7;
  --amber: #C97A3D;
  --paper: #F6F4EE;
  --paper-dim: #EFEBE0;
  --ink: #16242B;
  --slate: #5B6B70;
  --line: #DCD6C9;
  --line-dark: rgba(255, 255, 255, 0.14);
  --radius: 3px;
  --max: 1180px;
  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, Segoe UI, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--navy);
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.005em; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--slate); }
p.lead { font-size: 1.15rem; color: var(--ink); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Ledger tag / signature element ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: var(--teal-light);
  border: 1px solid rgba(14, 110, 102, 0.25);
  padding: 5px 10px 5px 8px;
  border-radius: 2px;
}
.tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex: none;
}
.tag.on-dark {
  background: rgba(143, 227, 199, 0.1);
  border-color: rgba(143, 227, 199, 0.3);
  color: var(--mint);
}
.tag.on-dark .dot { background: var(--mint); }
.tag.amber { background: #FBF0E6; border-color: rgba(201,122,61,0.3); color: #8A4E22; }
.tag.amber .dot { background: var(--amber); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  display: block;
  margin-bottom: 10px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.btn-primary {
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--navy); }
.btn-on-dark {
  background: var(--mint);
  color: var(--navy);
}
.btn-on-dark:hover { background: #a7ecd4; transform: translateY(-1px); }
.btn-ghost-on-dark {
  background: transparent;
  color: #EDEAE0;
  border-color: var(--line-dark);
}
.btn-ghost-on-dark:hover { border-color: #EDEAE0; }

/* ---------- Header / nav ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 244, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--navy);
}
.brand .mark {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--navy);
  position: relative;
  flex: none;
}
.brand .mark::before,
.brand .mark::after {
  content: "";
  position: absolute;
  background: var(--mint);
}
.brand .mark::before {
  width: 12px; height: 2px;
  top: 10px; left: 9px;
}
.brand .mark::after {
  width: 8px; height: 2px;
  top: 16px; left: 9px;
}
nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
nav.primary-nav a.nav-link {
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--slate);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
nav.primary-nav a.nav-link:hover,
nav.primary-nav a.nav-link.active {
  color: var(--navy);
  border-bottom-color: var(--teal);
}
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-toggle { display: none; }

@media (max-width: 820px) {
  nav.primary-nav { display: none; }
  .nav-toggle {
    display: inline-flex;
    background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 6px;
  }
  .nav-toggle span { width: 22px; height: 2px; background: var(--navy); display:block; }
  nav.primary-nav.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 28px 22px;
    gap: 14px;
  }
}

/* ---------- Sections ---------- */
section { padding: 96px 0; }
section.tight { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.dark { background: var(--navy); color: #D9DEE2; }
.dark h1, .dark h2, .dark h3 { color: #fff; }
.dark p { color: #A9B6BD; }
.dark .rule { border-color: var(--line-dark); }

.paper-dim { background: var(--paper-dim); }

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0 100px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-note {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--slate);
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Console mockup (signature element) ---------- */
.console {
  background: var(--navy);
  border-radius: 10px;
  padding: 22px;
  box-shadow: 0 30px 60px -20px rgba(11, 31, 46, 0.45);
  border: 1px solid rgba(255,255,255,0.06);
}
.console-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
}
.console-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #A9B6BD;
}
.console-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.console-panel {
  background: var(--navy-soft);
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  padding: 14px;
}
.console-panel .k {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--mint);
  display: block;
  margin-bottom: 8px;
}
.console-panel .v {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 4px;
}
.console-panel .d {
  font-size: 0.78rem;
  color: #8B99A0;
}
.console-foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #7C8A91;
  display: flex;
  justify-content: space-between;
}

/* ---------- Vignette ---------- */
.vignette {
  background: var(--paper-dim);
  border-left: 3px solid var(--teal);
  border-radius: 0 6px 6px 0;
  padding: 34px 38px;
}
.vignette p { color: var(--ink); font-size: 1.05rem; }
.vignette p:last-child { margin-bottom: 0; }
.vignette .signoff {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teal-dark);
  margin-top: 18px;
}

/* ---------- Pillars ---------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pillar-card {
  background: var(--paper);
  padding: 30px 26px;
}
.pillar-card .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.1em;
}
.pillar-card h3 { margin: 14px 0 10px; }
.pillar-card ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.pillar-card li {
  font-size: 0.88rem;
  color: var(--slate);
  padding: 7px 0;
  border-top: 1px solid var(--line);
}
.pillar-card li:first-child { border-top: none; }

@media (max-width: 900px) {
  .pillars-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .pillars-grid { grid-template-columns: 1fr; }
}

/* ---------- Feature list / two column ---------- */
.two-col {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 32px; }
}

.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.check-list li:first-child { border-top: none; }
.check-list .mark2 {
  width: 18px; height: 18px; flex: none; margin-top: 3px;
  border-radius: 4px;
  background: var(--teal-light);
  border: 1px solid rgba(14,110,102,0.35);
  position: relative;
}
.check-list .mark2::after {
  content: "";
  position: absolute;
  left: 5px; top: 3px;
  width: 5px; height: 8px;
  border-right: 2px solid var(--teal-dark);
  border-bottom: 2px solid var(--teal-dark);
  transform: rotate(40deg);
}
.check-list strong { color: var(--navy); display: block; font-size: 0.98rem; margin-bottom: 2px; }
.check-list span.desc { color: var(--slate); font-size: 0.9rem; }

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
}
.team-card .avatar {
  width: 224px;
  height: 224px;
  border-radius: 12px;
  background: var(--teal-light);
  border: 1px solid var(--line);
  color: var(--teal-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 20px;
  overflow: hidden;
}
.team-card .avatar svg { width: 30px; height: 30px; flex: none; }
.team-card .avatar span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
}
.team-card .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.team-card h3 { margin-bottom: 3px; }
.team-card .role {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 14px;
}
.team-card p { margin-bottom: 12px; font-size: 0.92rem; }
.team-card p:last-child { margin-bottom: 0; }
@media (max-width: 700px) {
  .team-grid { grid-template-columns: 1fr; }
}

/* ---------- Stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.stat-strip .stat .v {
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: #fff;
}
.stat-strip .stat .k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint);
  margin-top: 6px;
}
@media (max-width: 700px) {
  .stat-strip { grid-template-columns: 1fr; gap: 22px; }
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--navy);
  border-radius: 10px;
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: #A9B6BD; margin-bottom: 0; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--navy);
  color: #93A0A6;
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-grid h4 {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-grid a, .footer-grid p { display: block; font-size: 0.88rem; margin-bottom: 10px; color: #93A0A6; }
.footer-grid a:hover { color: var(--mint); }
.footer-brand p { max-width: 280px; color: #7C8A91; font-size: 0.9rem; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: #667379;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Forms ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 40px;
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 7px;
}
.form-row .hint { font-size: 0.78rem; color: var(--slate); margin-top: 6px; }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
  border-color: var(--teal);
}
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 560px) {
  .form-grid-2 { grid-template-columns: 1fr; }
  .form-card { padding: 26px; }
}
.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  display: none;
}
.form-status.visible { display: block; }
.form-status.ok { color: var(--teal-dark); }
.form-status.err { color: var(--amber); }

/* ---------- Contact info cards ---------- */
.info-card {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.info-card:first-child { border-top: none; }
.info-card .eyebrow { margin-bottom: 6px; }

/* ---------- Utility ---------- */
.mb-0 { margin-bottom: 0 !important; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}