```css
/* =========================================================
   GLOBAL RESET & BASE  (FOREST THEME)
   ========================================================= */

:root{
  /* Slightly darker pastel forest + river */
  --bg-1:#e2efe8;        /* sage mist */
  --bg-2:#edf3ee;        /* forest fog */
  --surface: rgba(255,255,255,.78);

  --forest-900:#1b3a2a;  /* deep evergreen */
  --forest-700:#2e5f46;  /* moss */
  --forest-500:#5f8f74;  /* muted forest */

  --river-500:#4f9aa0;   /* river teal */
  --river-300:#9fcfd0;   /* light river */

  --earth-500:#8b6d4f;   /* soil brown */

  --text:#162f22;
  --muted: rgba(22,47,34,.72);

  --border: rgba(46,95,70,.22);
  --shadow: 0 16px 40px rgba(20,40,30,.16);
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body,
h1, h2, h3, h4, h5, h6,
p, a, li {
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
}

body {
  margin: 0;
  font-size: 100%;
  line-height: 1.65;
  color: var(--text);

  /* Forest mist + river glow */
  background:
    radial-gradient(900px 520px at 15% 0%, rgba(159,207,208,.45), rgba(0,0,0,0) 55%),
    radial-gradient(900px 520px at 85% 10%, rgba(169,205,184,.55), rgba(0,0,0,0) 58%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
}

/* =========================================================
   CONTAINER
   ========================================================= */

.container {
  max-width: 980px;
  margin: 18px auto;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

/* =========================================================
   HEADER / BANNER
   ========================================================= */

header img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  animation: fadeIn 1.4s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* =========================================================
   TOP NAVIGATION (FOREST THEME + READABLE)
   ========================================================= */

.topnav {
  position: sticky;
  top: 10px;
  z-index: 10;

  /* pastel moss bar */
  background: linear-gradient(
    180deg,
    rgba(169,205,184,.88),
    rgba(255,255,255,.72)
  );
  backdrop-filter: blur(10px);

  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin: 12px 0;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;

  box-shadow: 0 10px 26px rgba(20,40,30,.14);
}

/* Brand */
.brand {
  text-decoration: none;
  font-weight: 800;
  color: var(--forest-900);
  letter-spacing: .2px;
}

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-links a {
  text-decoration: none;
  color: rgba(22,47,34,.88);
  font-weight: 700;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--forest-700);
  text-decoration: underline;
}

/* Mobile toggle button */
.nav-toggle {
  display: none;
  background: rgba(255,255,255,.80);
  color: var(--forest-900);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 10px;
  font-size: 18px;
  cursor: pointer;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
  background:
    radial-gradient(900px 420px at 10% 10%, rgba(159,207,208,.45), rgba(0,0,0,0) 55%),
    radial-gradient(900px 420px at 90% 0%, rgba(169,205,184,.65), rgba(0,0,0,0) 60%),
    linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.60));

  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin: 12px 0 18px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4vw, 40px);
  letter-spacing: -0.02em;
  color: var(--forest-900);
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 16px;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 8px;
}

.trust-points {
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(22,47,34,.70);
}

/* =========================================================
   BUTTONS (FOREST)
   ========================================================= */

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 800;
  letter-spacing: .2px;
  transition: transform .15s ease, opacity .15s ease, background .15s ease;
}

.btn:hover { transform: translateY(-1px); }

/* Default primary button = moss evergreen */
.btn-primary {
  background: linear-gradient(
    180deg,
    rgba(46,95,70,.95),
    rgba(27,58,42,.95)
  );
  color: #ffffff;
  border-color: rgba(27,58,42,.35);
  box-shadow: 0 10px 22px rgba(20,40,30,.18);
}

.btn-primary:hover { opacity: 0.94; }

/* Ghost button */
.btn-ghost {
  background: rgba(255,255,255,.60);
  color: var(--forest-900);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: rgba(169,205,184,.55);
}

/* ✅ Book button in topnav (dark evergreen for contrast) */
.topnav .btn.btn-primary {
  background: linear-gradient(180deg, rgba(27,58,42,.92), rgba(46,95,70,.92));
  border-color: rgba(27,58,42,.30);
  color: #ffffff;
}

/* =========================================================
   SOCIAL ICONS
   ========================================================= */

.social-icons-center {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 12px 0;
}

.icon {
  width: 28px;
  height: 28px;
  transition: transform 0.2s ease;
  filter: drop-shadow(0 8px 14px rgba(20,40,30,.12));
}

.icon:hover { transform: scale(1.15); }

/* =========================================================
   AUDIO
   ========================================================= */

.audio-wrap {
  margin: 10px 0 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

audio { width: min(520px, 100%); }

/* =========================================================
   SECTIONS
   ========================================================= */

.section {
  margin: 26px 0;
  padding: 18px;
  background: rgba(255,255,255,.86);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.section h2 {
  margin: 4px 0 10px;
  font-size: 28px;
  color: var(--forest-900);
}

.section-sub {
  color: var(--muted);
  margin-top: -8px;
  margin-bottom: 14px;
}

/* =========================================================
   CARD GRID
   ========================================================= */

.card-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.card {
  grid-column: span 6;
  background: linear-gradient(
    180deg,
    rgba(169,205,184,.55),
    rgba(255,255,255,.88)
  );
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card h3 { margin: 0 0 6px; color: var(--forest-900); }

.card ul {
  margin: 10px 0 14px;
  padding-left: 18px;
  color: rgba(22,47,34,.72);
}

/* =========================================================
   CALLOUT
   ========================================================= */

.callout {
  border-left: 4px solid rgba(79,154,160,.70);
  background: rgba(159,207,208,.35);
  padding: 12px 14px;
  border-radius: 14px;
  margin: 14px 0;
  color: rgba(22,47,34,.76);
}

/* =========================================================
   IMAGES
   ========================================================= */

.img-frame {
  border: 3px solid var(--border);
  border-radius: 16px;
  max-width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 14px 26px rgba(20,40,30,.12);
}

.img-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 12px 0;
}

/* =========================================================
   TESTIMONIALS
   ========================================================= */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.quote {
  grid-column: span 6;
  background: linear-gradient(
    180deg,
    rgba(139,109,79,.12),
    rgba(255,255,255,.88)
  );
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  color: rgba(22,47,34,.78);
}

.quote strong {
  display: block;
  margin-top: 10px;
  color: var(--forest-900);
}

/* =========================================================
   FOOTER
   ========================================================= */

footer {
  margin: 24px 0 8px;
  padding: 14px 10px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0 0 10px;
  display: flex;
  gap: 10px;
  justify-content: center;
}

footer nav a {
  color: rgba(22,47,34,.80);
  text-decoration: none;
  font-weight: 800;
}

footer nav a:hover {
  color: var(--forest-900);
  text-decoration: underline;
}

/* =========================================================
   UTILITIES
   ========================================================= */

.center { text-align: center; }

.muted { color: var(--muted); }

/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 720px) {
  .card { grid-column: span 12; }
  .quote { grid-column: span 12; }

  .nav-toggle { display: inline-block; }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 10px;
  }

  .nav-links.open { display: flex; }

  .topnav {
    flex-wrap: wrap;
    top: 0;
  }
}
```