/* Colours from the logo, plus a yellow accent */
:root {
  --green-900: #1b4d24;
  --green-700: #2e7d32;
  --green-500: #4a9b4f;
  --green-100: #e6f1e6;
  --cream: #f8f8f4;
  --kowhai: #e9b826;
  --text: #1f2a1f;
  --muted: #5b6b5b;
  --white: #ffffff;
  --danger: #b3261e;
  --radius: 12px;
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Public Sans", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--cream);
  line-height: 1.6;
  font-size: 1.0625rem;
}

img { max-width: 100%; display: block; }

a { color: var(--green-700); }

:focus-visible { outline: 3px solid var(--green-500); outline-offset: 2px; }

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

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Divider band */
.band {
  height: 40px;
  background: url("assets/band.svg") repeat-x center / auto 40px;
  opacity: 0.22;
}

/* Header / nav */
.site-header {
  background: var(--cream);
  position: sticky;
  top: 0;
  z-index: 10;
}

/* Yellow line under the header */
.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: var(--kowhai);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  position: relative;
}

.brand { display: block; }

.brand img {
  height: 72px;
  width: auto;
  mix-blend-mode: multiply;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--green-900);
  text-decoration: none;
  font-weight: 600;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { border-bottom-color: var(--kowhai); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--green-700);
  color: var(--green-700);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 1rem;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--green-900);
  color: var(--white);
  padding: 96px 0;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin: 0 0 16px;
  line-height: 1.1;
  max-width: 720px;
}

.hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 0 32px;
  opacity: 0.92;
}

.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--green-900);
  color: var(--white);
  padding: 64px 0 56px;
}

.page-hero h1 { margin: 0 0 8px; font-size: clamp(2rem, 4vw, 2.8rem); }
.page-hero p { margin: 0; opacity: 0.9; max-width: 620px; }

/* Sections */
section { padding: 72px 0; }

section.alt { background: var(--white); }

h2 {
  color: var(--green-900);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  margin: 0 0 12px;
  line-height: 1.2;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 700px;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--green-700);
  color: var(--white);
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s ease;
}

.btn:hover { background: var(--green-900); }

.btn-light {
  background: var(--white);
  color: var(--green-900);
}

.btn-light:hover { background: var(--green-100); }

/* Cards / grids */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 40px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid #d5e2d5;
}

.card h3 {
  margin: 0 0 8px;
  color: var(--green-900);
  font-size: 1.3rem;
}

.card p { margin: 0 0 12px; color: var(--muted); max-width: 60ch; }

.card .card-link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  color: var(--green-700);
  text-decoration: none;
}

.card .card-link:hover { text-decoration: underline; color: var(--green-900); }

/* Logo mark, cropped to its circle */
.feature-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 16px;
  background: url("assets/logo-small.jpeg") no-repeat center / 112%;
  border-radius: 50%;
}

/* Course filter */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.filter-btn {
  background: var(--white);
  color: var(--green-900);
  border: 1px solid #c6d6c6;
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-btn:hover { border-color: var(--green-500); }

.filter-btn[aria-pressed="true"] {
  background: var(--green-900);
  border-color: var(--green-900);
  color: var(--white);
}

.course[hidden] { display: none; }

.course-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed #c9dbc9;
}

/* Split / about */
.split {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.values li { margin-bottom: 10px; }

/* Call to action band */
.cta {
  position: relative;
  overflow: hidden;
  background: var(--green-900);
  color: var(--white);
  border-radius: 20px;
  padding: 48px 40px;
  text-align: center;
}

.cta h2 { color: var(--white); margin-bottom: 10px; }
.cta p { color: rgba(255, 255, 255, 0.85); margin: 0 auto 24px; max-width: 560px; }
.cta .btn { position: relative; margin: 4px 6px; }

/* Contact form */
.contact-layout {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr 1.4fr;
  align-items: start;
}

.contact-info p { margin: 0 0 16px; }

.contact-info .info-item {
  margin-bottom: 18px;
}

form.contact-form {
  background: var(--white);
  padding: 36px;
  border-radius: 16px;
  border: 1px solid #d5e2d5;
  border-top: 4px solid var(--green-700);
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  padding: 11px 13px;
  border: 1px solid #c6d6c6;
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--green-700);
}

.field textarea { min-height: 140px; resize: vertical; }

.field .error {
  color: var(--danger);
  font-size: 0.875rem;
  margin: 6px 0 0;
  display: none;
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea { border-color: var(--danger); }

.field.invalid .error { display: block; }

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  display: none;
}

.form-status.success {
  display: block;
  background: var(--green-100);
  color: var(--green-900);
}

/* Footer */
.site-footer {
  position: relative;
  background: var(--green-900);
  color: var(--green-100);
  padding: 44px 0 36px;
  text-align: center;
  font-size: 0.95rem;
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--kowhai);
  margin: -44px -0px 36px;
}

.site-footer::after {
  content: "";
  display: block;
  width: 40px;
  height: 40px;
  margin: 20px auto 0;
  background: url("assets/logo-small.jpeg") no-repeat center / 112%;
  border-radius: 50%;
}

.site-footer a { color: var(--white); }

/* Responsive */
@media (max-width: 800px) {
  .split,
  .contact-layout { grid-template-columns: 1fr; }

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

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 12px 16px 20px;
    border-bottom: 1px solid var(--green-100);
    gap: 12px;
  }

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

  .brand img { height: 56px; }

  .hero { padding: 72px 0; }
  section { padding: 52px 0; }
  .cta { padding: 36px 24px; }
  form.contact-form { padding: 24px; }
}

/* Readable line length on text pages */
.prose { max-width: none; }
.prose p { max-width: 68ch; }

/* Phones */
@media (max-width: 600px) {
  body { font-size: 1rem; line-height: 1.5; }

  .mobile-hide { display: none; }

  .container { width: calc(100% - 28px); }

  .nav { padding: 6px 0; }
  .brand img { height: 44px; }

  .band { height: 24px; background-size: auto 24px; }

  section { padding: 32px 0; }
  .hero { padding: 36px 0 40px; }
  .hero h1 { font-size: 2rem; margin-bottom: 10px; }
  .hero p { font-size: 1rem; margin-bottom: 20px; }
  .page-hero { padding: 28px 0 24px; }
  .page-hero h1 { font-size: 1.75rem; margin-bottom: 4px; }

  h2 { font-size: 1.4rem; margin-bottom: 8px; }
  .lead { font-size: 1rem; }
  .btn { padding: 11px 22px; }

  .split, .contact-layout { gap: 24px; }

  .grid { gap: 12px; margin-top: 20px; }
  .card { padding: 18px; }
  .card h3 { font-size: 1.1rem; }
  .card p { margin-bottom: 8px; }

  /* Home page course tiles, two per row */
  .grid:not(#course-grid) { grid-template-columns: 1fr 1fr; }
  .grid:not(#course-grid) .card { padding: 14px; }
  .grid:not(#course-grid) .card h3 { font-size: 0.95rem; margin: 0; line-height: 1.25; }
  .feature-icon { width: 32px; height: 32px; margin-bottom: 8px; }

  /* Course descriptions clamped to three lines; tap to expand */
  #course-grid .card p {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    cursor: pointer;
  }
  #course-grid .card p.expanded { display: block; }
  .course-footer { margin-top: 10px; padding-top: 10px; }

  .filters { margin-top: 0; gap: 8px; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; }
  .filter-btn { white-space: nowrap; padding: 6px 14px; }

  .cta { padding: 28px 18px; border-radius: 14px; }
  .cta p { margin-bottom: 16px; }

  form.contact-form { padding: 18px; }
  .field { margin-bottom: 12px; }
  .field textarea { min-height: 100px; }
  .contact-info p { margin-bottom: 10px; }

  .site-footer { padding: 28px 0 24px; font-size: 0.875rem; }
  .site-footer::before { margin: -28px 0 20px; }
  .site-footer::after { width: 28px; height: 28px; margin-top: 12px; }
  .site-footer p { margin: 0 0 4px; }
}

/* Team bios */
.person {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}

.person img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
}

.person img.face-high { object-position: 50% 60%; }
.person .lead { margin-top: 0; }
.person p { max-width: 68ch; }

@media (max-width: 800px) {
  .person { grid-template-columns: 1fr; gap: 20px; }
  .person img { width: 160px; }
}

@media (max-width: 600px) {
  .person { gap: 14px; }
  .person img { width: 112px; }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 20px;
}

.form-note { font-size: 0.9rem; color: var(--muted); margin: 0 0 16px; }
.policy h2 { font-size: 1.35rem; margin-top: 32px; }
.policy .values { max-width: 68ch; }

/* Clinical training panel */
.clinical {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 56px;
  padding: 40px;
  background: var(--green-100);
  border: 1px solid #c9dbc9;
  border-radius: var(--radius);
}

.clinical h2 { margin-top: 0; }
.clinical p { margin: 0 0 12px; max-width: 62ch; }
.clinical .lead { color: var(--green-900); }
.clinical-action p { color: var(--muted); }
.clinical-action .btn { margin-top: 4px; }

@media (max-width: 800px) {
  .clinical { grid-template-columns: 1fr; gap: 16px; padding: 28px 24px; }
}

@media (max-width: 600px) {
  .clinical { padding: 20px 18px; margin-top: 32px; }
}

.clinical.flush { margin-top: 0; }

section.tight { padding-bottom: 0; }