:root {
  --oh-blue: #0B5ED7;
  --oh-green: #2E8B57;
  --oh-gold: #C9A227;
  --oh-light: #F8F9FA;
  --oh-dark: #14213d;
  --oh-muted: #64748b;
}

* { box-sizing: border-box; }
body {
  color: #172033;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}
a { text-decoration: none; }
.navbar { min-height: 76px; }
.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--oh-blue), var(--oh-green));
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-weight: 800;
  height: 42px;
  justify-content: center;
  letter-spacing: .02em;
  width: 42px;
}
.hero {
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}
.hero > img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}
.hero-overlay {
  background: linear-gradient(90deg, rgba(10, 31, 68, .86), rgba(10, 31, 68, .54), rgba(10, 31, 68, .15));
  inset: 0;
  position: absolute;
}
.hero-content {
  color: #fff;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: clamp(3rem, 6vw, 5.7rem);
  font-weight: 850;
  line-height: .98;
  margin: 1rem 0 1.25rem;
}
.hero .lead {
  font-size: 1.25rem;
  max-width: 760px;
}
.eyebrow {
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.section {
  padding: 92px 0;
}
.section-heading {
  margin: 0 auto 42px;
  max-width: 760px;
  text-align: center;
}
.section-heading h2,
.page-hero h1 {
  color: var(--oh-dark);
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 820;
}
.section-heading p,
.page-hero p,
.content-block p {
  color: var(--oh-muted);
  font-size: 1.08rem;
}
.impact-band {
  background: var(--oh-blue);
  color: #fff;
  padding: 28px 0;
}
.impact-band strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 850;
}
.impact-band span { opacity: .86; }
.feature-card,
.admin-panel,
.metric-card,
.content-block,
.info-box,
.auth-card {
  background: #fff;
  border: 1px solid #e8edf4;
  border-radius: 8px;
  box-shadow: 0 18px 55px rgba(20, 33, 61, .07);
}
.feature-card {
  height: 100%;
  padding: 28px;
}
.feature-card i {
  color: var(--oh-blue);
  font-size: 2rem;
  margin-bottom: 18px;
}
.feature-card h3 {
  color: var(--oh-dark);
  font-size: 1.25rem;
  font-weight: 800;
}
.feature-card p { color: var(--oh-muted); margin-bottom: 0; }
.bg-soft { background: var(--oh-light); }
.pill {
  background: #fff;
  border: 1px solid #dbe6f4;
  border-radius: 999px;
  color: var(--oh-dark);
  display: inline-flex;
  font-weight: 700;
  padding: .65rem 1rem;
}
.timeline {
  display: grid;
  gap: 16px;
}
.timeline div {
  background: #fff;
  border-left: 4px solid var(--oh-green);
  border-radius: 8px;
  padding: 20px 22px;
}
.timeline strong { display: block; }
.timeline span { color: var(--oh-muted); }
.cta-panel {
  align-items: center;
  background: linear-gradient(135deg, #eef6ff, #f4fff8);
  border: 1px solid #dcebf7;
  border-radius: 8px;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 34px;
}
.page-hero {
  background: linear-gradient(135deg, #f5f9ff, #ffffff);
  padding: 150px 0 70px;
}
.content-block,
.info-box { padding: 30px; }
.info-box a {
  border-bottom: 1px solid #e8edf4;
  color: var(--oh-blue);
  display: block;
  font-weight: 700;
  padding: 12px 0;
}
.footer-premium {
  background: #0e1a31;
  color: #fff;
  padding: 64px 0;
}
.footer-premium a {
  color: rgba(255, 255, 255, .72);
  display: block;
  margin: 8px 0;
}
.whatsapp-float {
  align-items: center;
  background: #25D366;
  border-radius: 999px;
  bottom: 24px;
  box-shadow: 0 16px 40px rgba(37, 211, 102, .32);
  color: #fff;
  display: flex;
  font-size: 1.6rem;
  height: 58px;
  justify-content: center;
  position: fixed;
  right: 24px;
  width: 58px;
  z-index: 30;
}
.auth-body {
  background: linear-gradient(135deg, #f4f8ff, #f7fff9);
}
.auth-shell {
  display: grid;
  min-height: 100vh;
  padding: 24px;
  place-items: center;
}
.auth-card {
  max-width: 470px;
  padding: 38px;
  width: 100%;
}
.brand-link {
  align-items: center;
  color: var(--oh-dark);
  display: inline-flex;
  font-weight: 850;
  gap: 10px;
  margin-bottom: 28px;
}
.admin-body {
  background: #f5f7fb;
  min-height: 100vh;
}
.admin-sidebar {
  background: #0e1a31;
  bottom: 0;
  color: #fff;
  left: 0;
  padding: 26px 18px;
  position: fixed;
  top: 0;
  width: 290px;
}
.admin-sidebar nav {
  display: grid;
  gap: 4px;
  margin-top: 28px;
  max-height: calc(100vh - 110px);
  overflow: auto;
}
.admin-sidebar nav a {
  border-radius: 8px;
  color: rgba(255, 255, 255, .78);
  display: flex;
  gap: 10px;
  padding: 11px 12px;
}
.admin-sidebar nav a:hover {
  background: rgba(255, 255, 255, .08);
  color: #fff;
}
.admin-main {
  margin-left: 290px;
  padding: 28px;
}
.admin-topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 26px;
}
.admin-topbar h1 {
  color: var(--oh-dark);
  font-size: 2rem;
  font-weight: 820;
  margin: 0;
}
.dashboard-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.metric-card {
  padding: 20px;
}
.metric-card span {
  color: var(--oh-muted);
  display: block;
  font-weight: 700;
}
.metric-card strong {
  color: var(--oh-dark);
  display: block;
  font-size: 1.8rem;
  margin-top: 8px;
}
.admin-panel {
  padding: 24px;
}
.admin-panel h2 {
  color: var(--oh-dark);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 18px;
}
.activity-item {
  border-bottom: 1px solid #e8edf4;
  padding: 11px 0;
}
.activity-item strong,
.activity-item span,
.activity-item small {
  display: block;
}
.activity-item span,
.activity-item small { color: var(--oh-muted); }
.module-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.module-tile,
.action-card {
  border: 1px solid #e8edf4;
  border-radius: 8px;
  color: var(--oh-dark);
  display: grid;
  font-weight: 800;
  gap: 10px;
  min-height: 110px;
  padding: 18px;
  place-items: center;
  text-align: center;
}
.module-tile i {
  color: var(--oh-blue);
  font-size: 1.8rem;
}
.module-header {
  align-items: center;
  display: flex;
  gap: 18px;
  margin-bottom: 24px;
}
.module-header i {
  align-items: center;
  background: #eef6ff;
  border-radius: 8px;
  color: var(--oh-blue);
  display: flex;
  font-size: 2rem;
  height: 72px;
  justify-content: center;
  width: 72px;
}
@media (max-width: 991px) {
  .hero h1 { font-size: 3rem; }
  .cta-panel,
  .admin-topbar { align-items: flex-start; flex-direction: column; }
  .admin-sidebar {
    position: static;
    width: 100%;
  }
  .admin-main {
    margin-left: 0;
    padding: 18px;
  }
}