:root {
  --bg: #ffffff;
  --bg-secondary: #f0fdf4;
  --surface: rgba(255,255,255,0.96);
  --surface-solid: #ffffff;
  --surface-dark: rgba(10,30,10,0.92);
  --text: #14401a;
  --text-soft: #6b7280;
  --heading: #14401a;
  --primary: #16a34a;
  --primary-strong: #15803d;
  --accent: #84cc16;
  --accent-warm: #d97706;
  --success: #22c55e;
  --danger: #ef4444;
  --border: rgba(22,163,74,0.15);
  --shadow: 0 10px 30px rgba(22,163,74,0.08);
  --shadow-lg: 0 20px 50px rgba(22,163,74,0.14);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: min(1280px, calc(100vw - 40px));
  --font-base: 18px;
  --line: 1.6;
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  font-size: var(--font-base);
  line-height: var(--line);
  color: var(--text);
  background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body.large-text { --font-base: 20px; }

body.high-contrast {
  --bg: #001a06; --bg-secondary: #002a0c; --surface: rgba(0,20,5,0.94);
  --text: #e8ffee; --text-soft: #99ddaa; --heading: #ffffff;
  --border: rgba(255,255,255,0.16); --shadow: 0 18px 44px rgba(0,0,0,0.5);
}

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

/* ── Container ─────────────────────────────────────────────── */
.container { width: var(--container); margin: 0 auto; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(22,163,74,0.07);
}

.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 0; flex-wrap: wrap;
}

.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: inherit; flex-shrink: 0;
}

.brand-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; flex-shrink: 0;
}

.brand strong {
  display: block; font-size: 1.2rem; font-weight: 800; color: var(--primary);
  line-height: 1.2;
}
.brand span { font-size: 0.75rem; color: var(--text-soft); }

.menu-toggle {
  display: none; background: none; border: 1.5px solid var(--border);
  border-radius: 8px; padding: 6px 14px; font-size: 0.85rem;
  cursor: pointer; font-family: inherit; color: var(--text);
  margin-left: auto;
}

.site-nav {
  display: flex; gap: 4px; align-items: center;
  margin-left: auto; flex-wrap: wrap;
}

.site-nav a {
  padding: 6px 14px; border-radius: 8px;
  font-size: 0.9rem; font-weight: 500; color: var(--text-soft);
  transition: all 0.2s;
}
.site-nav a:hover, .site-nav a.active {
  background: var(--bg-secondary); color: var(--primary); font-weight: 600;
}

.accessibility-tools {
  display: flex; gap: 8px; margin-left: 12px;
}

.accessibility-tools button {
  padding: 5px 12px; font-size: 0.8rem; border-radius: 6px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  cursor: pointer; color: var(--text); font-family: inherit;
  transition: all 0.2s;
}
.accessibility-tools button:hover { background: var(--primary); color: #fff; }

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .site-nav {
    display: none; flex-direction: column; width: 100%;
    background: var(--surface-solid); border: 1px solid var(--border);
    border-radius: 12px; padding: 12px; margin: 8px 0 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; text-align: center; }
  .accessibility-tools { margin-left: 0; }
  .topbar { gap: 8px; }
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  padding: 80px 0 72px;
  background: linear-gradient(150deg, #f0fdf4 0%, #dcfce7 40%, #bbf7d0 100%);
  position: relative; overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('https://images.pexels.com/photos/1030870/pexels-photo-1030870.jpeg?auto=compress&cs=tinysrgb&w=1400') center/cover;
  opacity: 0.08;
}

.hero-content { position: relative; max-width: 700px; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900; line-height: 1.15;
  color: var(--heading); margin: 0 0 20px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #2d6a42; margin: 0 0 32px; max-width: 580px; line-height: 1.7;
}

.hero-actions-primary {
  display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px;
}

.scroll-hint {
  font-size: 0.85rem; color: #6b9a7a; letter-spacing: 2px;
  font-weight: 600; text-transform: uppercase; margin: 8px 0 0;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-sm);
  font-size: 1rem; font-weight: 700; cursor: pointer;
  border: 2px solid transparent; transition: all 0.25s;
  font-family: inherit; text-decoration: none;
  background: linear-gradient(135deg, var(--primary-strong), var(--primary));
  color: #fff;
  box-shadow: 0 4px 14px rgba(22,163,74,0.35);
}
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22,163,74,0.4); }

.button-secondary {
  background: transparent; color: var(--primary);
  border-color: var(--primary);
  box-shadow: none;
}
.button-secondary:hover {
  background: var(--primary); color: #fff;
  box-shadow: 0 8px 20px rgba(22,163,74,0.4);
}

.button-large { padding: 14px 28px; font-size: 1.05rem; }
.button-outline {
  background: transparent; border-color: rgba(22,163,74,0.35);
  color: var(--primary); box-shadow: none;
}
.button-outline:hover { background: var(--bg-secondary); }

/* ── Sections ────────────────────────────────────────────────── */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-secondary); }

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800;
  color: var(--heading); text-align: center; margin: 0 0 12px;
}

.section-subtitle {
  font-size: 1.05rem; color: var(--text-soft);
  text-align: center; margin: 0 0 48px; max-width: 600px;
  margin-left: auto; margin-right: auto; line-height: 1.7;
}

/* ── Cards ────────────────────────────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 1024px) { .card-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .card-grid, .card-grid-4, .card-grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface-solid);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.card img { width: 100%; height: 220px; object-fit: cover; }
.card-body { padding: 22px; }
.card-body h3 { font-size: 1.05rem; font-weight: 700; margin: 0 0 10px; color: var(--heading); }
.card-body p { font-size: 0.9rem; color: var(--text-soft); margin: 0 0 16px; line-height: 1.65; }
.card-body .card-link { font-size: 0.88rem; font-weight: 700; color: var(--primary); }
.card-tag { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--primary); margin: 0 0 8px; }

/* Benefit cards */
.benefit-card {
  background: var(--surface-solid);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.2s;
}
.benefit-card:hover { transform: translateY(-4px); }
.benefit-icon { font-size: 2.8rem; margin-bottom: 16px; }
.benefit-card h3 { font-size: 1rem; font-weight: 700; color: var(--heading); margin: 0 0 10px; }
.benefit-card p { font-size: 0.88rem; color: var(--text-soft); margin: 0; line-height: 1.65; }

/* Herb/remedy cards */
.remedy-card {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid rgba(22,163,74,0.2);
  display: flex; gap: 16px; align-items: flex-start;
}
.remedy-icon { font-size: 2.2rem; flex-shrink: 0; }
.remedy-card h3 { font-size: 1rem; font-weight: 700; color: var(--primary-strong); margin: 0 0 6px; }
.remedy-card p { font-size: 0.88rem; color: #3d6b4a; margin: 0; line-height: 1.6; }

/* ── Testimonial ─────────────────────────────────────────────── */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .testimonial-grid { grid-template-columns: 1fr; } }

.testimonial {
  background: var(--surface-solid);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
}
.testimonial::before {
  content: '"'; font-size: 5rem; color: var(--primary);
  position: absolute; top: -10px; left: 20px; line-height: 1;
  opacity: 0.15; font-family: Georgia, serif;
}
.testimonial p { font-size: 0.92rem; color: var(--text-soft); margin: 0 0 16px; line-height: 1.7; font-style: italic; }
.testimonial-author { font-size: 0.85rem; font-weight: 700; color: var(--primary); }
.stars { color: #f59e0b; letter-spacing: 2px; margin-bottom: 12px; }

/* ── Newsletter CTA ─────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, #15803d 0%, #16a34a 50%, #22c55e 100%);
  color: #fff; padding: 72px 0; text-align: center;
}
.cta-section h2 { font-size: clamp(1.6rem,3vw,2.4rem); font-weight: 900; margin: 0 0 16px; }
.cta-section p { font-size: 1.05rem; margin: 0 0 32px; opacity: 0.9; max-width: 560px; margin-left:auto; margin-right:auto; }
.cta-form { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; max-width: 520px; margin: 0 auto 16px; }
.cta-form input {
  flex: 1; min-width: 220px; padding: 14px 18px;
  border: 2px solid rgba(255,255,255,0.3); border-radius: var(--radius-sm);
  font-size: 1rem; background: rgba(255,255,255,0.12); color: #fff;
  font-family: inherit;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.6); }
.cta-form input:focus { outline: none; border-color: #fff; }
.cta-form button {
  padding: 14px 28px; background: #fff; color: var(--primary-strong);
  border: none; border-radius: var(--radius-sm); font-size: 1rem;
  font-weight: 700; cursor: pointer; font-family: inherit;
  transition: transform 0.2s;
}
.cta-form button:hover { transform: scale(1.05); }
.cta-note { font-size: 0.82rem; opacity: 0.7; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: #052e16; color: rgba(255,255,255,0.8);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

.footer-grid h3 {
  font-size: 0.88rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.8px; color: #fff; margin: 0 0 16px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid ul li a {
  color: rgba(255,255,255,0.65); font-size: 0.9rem;
  text-decoration: none; transition: color 0.2s;
}
.footer-grid ul li a:hover { color: #86efac; }

.footer-note {
  text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.4);
  padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.07); margin: 0;
}

/* ── Banners & Trust Bar ────────────────────────────────────── */
.trust-bar {
  background: #052e16; color: rgba(255,255,255,0.8);
  padding: 14px 0; font-size: 0.85rem;
}
.trust-bar .container { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 8px; }
.trust-item span { font-size: 1rem; }

/* ── Search ──────────────────────────────────────────────────── */
.search-bar {
  display: flex; gap: 10px; margin-top: 28px;
  max-width: 480px;
}
.search-bar input {
  flex: 1; padding: 12px 18px; border: 2px solid rgba(22,163,74,0.25);
  border-radius: var(--radius-sm); font-size: 0.95rem;
  font-family: inherit; color: var(--text); background: #fff;
  outline: none; transition: border-color 0.2s;
}
.search-bar input:focus { border-color: var(--primary); }

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb { font-size: 0.82rem; color: var(--text-soft); margin-bottom: 24px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb span { margin: 0 8px; }

/* ── Page hero (inner pages) ─────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(1.8rem,3vw,2.6rem); font-weight: 900; margin: 0 0 12px; }
.page-hero p { font-size: 1.05rem; color: #2d6a42; max-width: 600px; margin: 0; line-height: 1.7; }

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius-md);
  margin-bottom: 12px; overflow: hidden;
}
.faq-q {
  padding: 18px 22px; font-weight: 700; cursor: pointer;
  background: var(--surface-solid); display: flex; justify-content: space-between;
  align-items: center; gap: 12px;
}
.faq-q:hover { background: var(--bg-secondary); }
.faq-a { padding: 0 22px 18px; font-size: 0.92rem; color: var(--text-soft); line-height: 1.7; }

/* ── Disclaimer banner ───────────────────────────────────────── */
.disclaimer-banner {
  background: #fef9c3; border: 1px solid #fde68a;
  border-radius: var(--radius-sm); padding: 14px 20px;
  font-size: 0.82rem; color: #713f12; margin: 24px 0;
  display: flex; gap: 10px; align-items: flex-start;
}

/* ── Stats row ───────────────────────────────────────────────── */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  background: var(--primary-strong); color: #fff;
  border-radius: var(--radius-lg); overflow: hidden;
}
@media (max-width: 768px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }

.stat-cell {
  padding: 28px 20px; text-align: center;
  border-right: 1px solid rgba(255,255,255,0.15);
}
.stat-cell:last-child { border-right: none; }
.stat-num { font-size: 2rem; font-weight: 900; margin-bottom: 6px; }
.stat-label { font-size: 0.82rem; opacity: 0.8; text-transform: uppercase; letter-spacing: 0.5px; }

/* ── Util ────────────────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }
.green { color: var(--primary); }

/* ── Form ────────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 2px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.95rem; font-family: inherit;
  background: var(--bg); color: var(--text); outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 120px; }


/* ── VR Section responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  #vr-for-seniors .container > div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  #vr-for-seniors div[style*="grid-template-columns:1fr 1fr"][style*="background"] {
    grid-template-columns: 1fr !important;
    padding: 28px 20px !important;
  }
  #vr-for-seniors div[style*="grid-template-columns:repeat(3"] {
    grid-template-columns: 1fr !important;
  }
  #vr-for-seniors div[style*="grid-template-columns:1fr 1fr"][style*="gap:16px"] {
    grid-template-columns: 1fr 1fr !important;
  }
}