:root {
  --bg: #FAFAF8;
  --bg-alt: #F0EDE6;
  --fg: #1A1D23;
  --fg-muted: #6B7080;
  --accent: #C4882F;
  --accent-light: #F5E6CC;
  --navy: #1E2A3A;
  --navy-light: #2C3E52;
  --tier-admin: #C4882F;
  --tier-family: #5B8A72;
  --tier-caregiver: #7A6CAD;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ---- NAV ---- */
.nav {
  padding: 20px 0;
  position: relative;
  z-index: 10;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo { flex-shrink: 0; }
.nav-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--fg);
}

/* ---- HERO ---- */
.hero {
  padding: 60px 0 80px;
  background: linear-gradient(160deg, var(--bg) 40%, var(--accent-light) 100%);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
}
.hero-highlight {
  color: var(--accent);
  font-style: italic;
}
.hero-desc {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* Orbit visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit-system {
  position: relative;
  width: 300px;
  height: 300px;
}
.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1.5px dashed;
}
.orbit-outer {
  width: 300px;
  height: 300px;
  top: 0; left: 0;
  border-color: var(--tier-caregiver);
  opacity: 0.4;
  animation: spin-slow 40s linear infinite;
}
.orbit-mid {
  width: 200px;
  height: 200px;
  top: 50px; left: 50px;
  border-color: var(--tier-family);
  opacity: 0.5;
  animation: spin-slow 30s linear infinite reverse;
}
.orbit-inner {
  width: 90px;
  height: 90px;
  top: 105px; left: 105px;
  border-color: var(--tier-admin);
  background: var(--accent-light);
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.orbit-dot {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}
.orbit-dot-gp { background: var(--tier-family); top: -18px; left: 50%; transform: translateX(-50%); }
.orbit-dot-tutor { background: var(--tier-caregiver); bottom: 20px; right: -10px; }
.orbit-dot-nanny { background: var(--tier-caregiver); top: -18px; left: 40%; }
.orbit-dot-ap { background: var(--tier-caregiver); bottom: -10px; right: 20px; }
.orbit-dot-parent {
  background: var(--tier-admin);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  font-size: 13px;
}

/* ---- TIERS ---- */
.tiers {
  padding: 80px 0;
  background: var(--navy);
  color: #fff;
}
.tiers-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.tiers .section-desc {
  color: rgba(255,255,255,0.65);
  font-size: 17px;
  max-width: 560px;
  margin-bottom: 48px;
}
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tier-card {
  background: var(--navy-light);
  border-radius: var(--radius);
  padding: 32px 28px;
  border-top: 3px solid;
}
.tier-admin { border-color: var(--tier-admin); }
.tier-family { border-color: var(--tier-family); }
.tier-caregiver { border-color: var(--tier-caregiver); }
.tier-icon {
  font-size: 24px;
  margin-bottom: 12px;
}
.tier-admin .tier-icon { color: var(--tier-admin); }
.tier-family .tier-icon { color: var(--tier-family); }
.tier-caregiver .tier-icon { color: var(--tier-caregiver); }
.tier-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}
.tier-who {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.tier-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tier-card li {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  padding-left: 16px;
  position: relative;
}
.tier-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.tier-admin li::before { background: var(--tier-admin); }
.tier-family li::before { background: var(--tier-family); }
.tier-caregiver li::before { background: var(--tier-caregiver); }

/* ---- FEATURES ---- */
.features {
  padding: 80px 0;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row-reverse { direction: rtl; }
.feature-row-reverse > * { direction: ltr; }
.feature-text h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}
.feature-text p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* Feature mocks */
.feature-block {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-card-mock {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
}
.mock-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}
.mock-info {
  display: flex;
  flex-direction: column;
}
.mock-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--fg);
}
.mock-role {
  font-size: 12px;
  color: var(--fg-muted);
}

/* Calendar mock */
.cal-mock {
  background: #fff;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.cal-header {
  background: var(--navy);
  color: #fff;
  padding: 12px 18px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
}
.cal-event {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  border-left: 3px solid;
  margin: 8px 12px;
  border-radius: 4px;
  background: var(--bg);
}
.cal-event-1 { border-color: var(--tier-admin); color: var(--fg); }
.cal-event-2 { border-color: var(--tier-family); color: var(--fg); }
.cal-event-3 { border-color: var(--tier-caregiver); color: var(--fg); }

/* Task mock */
.task-mock {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
}
.task-check {
  color: var(--tier-family);
  font-size: 16px;
  font-weight: 700;
}
.task-check-empty {
  color: var(--fg-muted);
  font-size: 16px;
}
.task-label {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
}
.task-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}
.task-badge-you {
  background: var(--accent-light);
  color: var(--accent);
}
.task-badge-nanny {
  background: #E8E0F0;
  color: var(--tier-caregiver);
}

/* ---- CLOSING ---- */
.closing {
  padding: 80px 0;
  background: var(--bg-alt);
  text-align: center;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
}
.closing h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.3;
}
.closing p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.footer {
  padding: 32px 0;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--fg-muted);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-desc { margin: 0 auto; }
  .orbit-system { width: 240px; height: 240px; }
  .orbit-outer { width: 240px; height: 240px; }
  .orbit-mid { width: 160px; height: 160px; top: 40px; left: 40px; }
  .orbit-inner { width: 72px; height: 72px; top: 84px; left: 84px; }
  .tier-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-row,
  .feature-row-reverse {
    grid-template-columns: 1fr;
    gap: 28px;
    direction: ltr;
  }
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}