/* ==========================================================================
   Tennis Court Slip Testing — Surface Performance Ltd
   Editorial sports aesthetic: dark forest green + clay terracotta
   ========================================================================== */

:root {
  --green-deep: #0f2a1f;
  --green-mid: #1a3d2d;
  --green-accent: #2d5a3f;
  --green-line: #3a6b4a;
  --clay: #c86f4a;
  --clay-dark: #a8552f;
  --cream: #f4ede0;
  --cream-warm: #ebe0cc;
  --ink: #0a1a13;
  --white-court: #ffffff;
  --net-grey: #7a8380;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --max-width: 1280px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  font-size: 17px;
  font-weight: 400;
  overflow-x: hidden;
}

/* ============ Typography ============ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--green-deep);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5.25rem);
  font-weight: 400;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 400;
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 500;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  font-size: 1.0625rem;
  color: #2a3a32;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--clay-dark);
  display: inline-block;
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "◦ ";
  color: var(--clay);
}

a {
  color: var(--green-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--clay-dark);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ============ Navigation ============ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 237, 224, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 42, 31, 0.08);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--green-deep);
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.logo-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--clay);
  border-radius: 50%;
  transform: translateY(-2px);
}

.nav-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--green-deep);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--clay-dark);
}

.nav-cta {
  background: var(--green-deep);
  color: var(--cream) !important;
  padding: 0.65rem 1.25rem;
  border-radius: 2px;
  transition: background 0.2s ease;
}

.nav-cta:hover {
  background: var(--clay-dark);
  color: var(--cream) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--green-deep);
}

/* ============ Hero ============ */

.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(4rem, 8vw, 6rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -5%;
  width: 45%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(200, 111, 74, 0.12), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text h1 span {
  color: var(--clay-dark);
  font-style: italic;
  font-family: var(--font-display);
}

.hero-text .lead {
  font-size: 1.2rem;
  margin-top: 1.75rem;
  max-width: 32rem;
  color: #3a4a41;
  line-height: 1.55;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--green-deep);
  color: var(--cream);
}

.btn-primary:hover {
  background: var(--clay-dark);
  color: var(--cream);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--green-deep);
  border-color: var(--green-deep);
}

.btn-secondary:hover {
  background: var(--green-deep);
  color: var(--cream);
}

.btn-arrow {
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ============ Hero Visual (SVG court) ============ */

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.court-svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(15, 42, 31, 0.15));
}

.hero-badge {
  position: absolute;
  background: var(--cream);
  border: 1px solid rgba(15, 42, 31, 0.12);
  padding: 0.85rem 1.1rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green-deep);
  box-shadow: 0 8px 24px rgba(15, 42, 31, 0.08);
}

.hero-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--clay-dark);
  letter-spacing: -0.02em;
  text-transform: none;
  margin-bottom: 0.15rem;
}

.badge-top {
  top: 8%;
  left: -8%;
}

.badge-bottom {
  bottom: 6%;
  right: -6%;
}

/* ============ Accreditation Strip ============ */

.accreditations {
  background: var(--green-deep);
  color: var(--cream);
  padding: 2.5rem 0;
}

.accred-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.accred-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--cream-warm);
  opacity: 0.75;
}

.accred-logos {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.accred-item {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--cream);
  position: relative;
  padding-left: 1.1rem;
}

.accred-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--clay);
  border-radius: 50%;
  transform: translateY(-50%);
}

/* ============ Section generic ============ */

section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-header {
  max-width: 48rem;
  margin-bottom: 3.5rem;
}

.section-header p {
  font-size: 1.15rem;
  margin-top: 1rem;
  color: #3a4a41;
}

/* ============ Tests / Services ============ */

.tests-section {
  background: var(--cream);
  position: relative;
}

.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.test-card {
  background: var(--white-court);
  border: 1px solid rgba(15, 42, 31, 0.08);
  padding: 2rem;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 340px;
}

.test-card:hover {
  transform: translateY(-4px);
  border-color: var(--clay);
  box-shadow: 0 20px 40px rgba(15, 42, 31, 0.08);
}

.test-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--clay-dark);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.test-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
}

.test-card p {
  font-size: 0.98rem;
  flex-grow: 1;
  color: #455149;
}

.test-standard {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(15, 42, 31, 0.08);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green-accent);
}

/* ============ Why us — split layout ============ */

.why-section {
  background: var(--green-deep);
  color: var(--cream);
}

.why-section h2 {
  color: var(--cream);
}

.why-section .eyebrow {
  color: var(--clay);
}

.why-section p {
  color: rgba(244, 237, 224, 0.78);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.why-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}

.stat-block {
  border-top: 1px solid rgba(244, 237, 224, 0.2);
  padding-top: 1.25rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 400;
  color: var(--clay);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cream-warm);
  margin-top: 0.5rem;
  opacity: 0.8;
}

.why-points {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.why-point {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(244, 237, 224, 0.12);
}

.why-point:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.why-point-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--clay);
  letter-spacing: 0.1em;
}

.why-point h4 {
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* ============ Process ============ */

.process-section {
  background: var(--cream-warm);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
  position: relative;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 1.6rem;
  left: 2%;
  right: 2%;
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--green-accent),
    var(--green-accent) 4px,
    transparent 4px,
    transparent 10px
  );
  z-index: 0;
}

.process-step {
  position: relative;
  counter-increment: step;
}

.step-marker {
  width: 3.25rem;
  height: 3.25rem;
  background: var(--green-deep);
  color: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
  border: 4px solid var(--cream-warm);
}

.process-step:nth-child(odd) .step-marker {
  background: var(--clay-dark);
}

.process-step h4 {
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.95rem;
}

/* ============ Venues / Use Cases ============ */

.venues-section {
  background: var(--cream);
}

.venues-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: rgba(15, 42, 31, 0.1);
  border: 1px solid rgba(15, 42, 31, 0.1);
}

.venue-item {
  background: var(--cream);
  padding: 2rem;
  transition: background 0.2s ease;
}

.venue-item:hover {
  background: var(--white-court);
}

.venue-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1.25rem;
  color: var(--clay-dark);
}

.venue-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.venue-item p {
  font-size: 0.92rem;
  color: #4a5a50;
}

/* ============ CTA banner ============ */

.cta-section {
  background: var(--clay);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at bottom left, rgba(168, 85, 47, 0.5), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: var(--cream);
  font-style: italic;
}

.cta-section p {
  color: rgba(244, 237, 224, 0.9);
  font-size: 1.1rem;
  margin-top: 1rem;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cta-actions .btn-primary {
  background: var(--green-deep);
}

.cta-actions .btn-secondary {
  color: var(--cream);
  border-color: var(--cream);
}

.cta-actions .btn-secondary:hover {
  background: var(--cream);
  color: var(--green-deep);
}

/* ============ FAQ ============ */

.faq-section {
  background: var(--cream);
}

.faq-grid {
  max-width: 52rem;
}

.faq-item {
  border-bottom: 1px solid rgba(15, 42, 31, 0.12);
}

.faq-item summary {
  padding: 1.75rem 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--green-deep);
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-body);
  font-size: 1.75rem;
  font-weight: 300;
  color: var(--clay-dark);
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item[open] summary {
  color: var(--clay-dark);
}

.faq-answer {
  padding: 0 0 1.75rem;
  color: #3a4a41;
  font-size: 1.02rem;
  max-width: 42rem;
}

/* ============ Contact form ============ */

.contact-section {
  background: var(--green-deep);
  color: var(--cream);
}

.contact-section h2 {
  color: var(--cream);
}

.contact-section .eyebrow {
  color: var(--clay);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 6vw, 5rem);
}

.contact-info h2 {
  margin-bottom: 1rem;
}

.contact-info p {
  color: rgba(244, 237, 224, 0.8);
  margin-bottom: 2.5rem;
}

.contact-detail {
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(244, 237, 224, 0.15);
}

.contact-detail-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clay);
  margin-bottom: 0.4rem;
}

.contact-detail-value {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--cream);
}

.contact-detail-value a {
  color: var(--cream);
}

.contact-detail-value a:hover {
  color: var(--clay);
}

.contact-form {
  background: rgba(244, 237, 224, 0.04);
  border: 1px solid rgba(244, 237, 224, 0.12);
  padding: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.form-field {
  margin-bottom: 1.25rem;
}

.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clay);
  margin-bottom: 0.5rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  background: rgba(244, 237, 224, 0.06);
  border: 1px solid rgba(244, 237, 224, 0.2);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 2px;
  transition: all 0.2s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--clay);
  background: rgba(244, 237, 224, 0.09);
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-body);
}

.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%23c86f4a' stroke-width='1.5' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-submit {
  width: 100%;
  padding: 1.1rem;
  background: var(--clay);
  color: var(--cream);
  border: none;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: 0.5rem;
}

.form-submit:hover {
  background: var(--clay-dark);
}

.form-note {
  font-size: 0.82rem;
  color: rgba(244, 237, 224, 0.6);
  margin-top: 1rem;
  text-align: center;
}

/* ============ Footer ============ */

.site-footer {
  background: var(--ink);
  color: var(--cream);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  color: var(--cream);
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(244, 237, 224, 0.65);
  font-size: 0.95rem;
  max-width: 22rem;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clay);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.7rem;
}

.footer-col a {
  color: rgba(244, 237, 224, 0.75);
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: var(--clay);
}

.footer-bottom {
  border-top: 1px solid rgba(244, 237, 224, 0.12);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: rgba(244, 237, 224, 0.55);
}

/* ============ Inner page headers ============ */

.page-header {
  background: var(--green-deep);
  color: var(--cream);
  padding: clamp(4rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 4.5rem);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(200, 111, 74, 0.15), transparent 60%);
  pointer-events: none;
}

.page-header h1 {
  color: var(--cream);
  max-width: 32rem;
}

.page-header .eyebrow {
  color: var(--clay);
}

.page-header p {
  color: rgba(244, 237, 224, 0.8);
  font-size: 1.15rem;
  max-width: 36rem;
  margin-top: 1.25rem;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(244, 237, 224, 0.6);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: rgba(244, 237, 224, 0.6);
}

.breadcrumb a:hover {
  color: var(--clay);
}

.breadcrumb span {
  color: var(--clay);
  margin: 0 0.5rem;
}

/* ============ Content pages ============ */

.prose {
  max-width: 44rem;
}

.prose h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-size: 2rem;
}

.prose h3 {
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}

.prose p {
  margin-bottom: 1.25rem;
}

.prose ul, .prose ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
  color: #2a3a32;
}

.prose blockquote {
  border-left: 3px solid var(--clay);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 2rem 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--green-deep);
}

/* ============ Governing Bodies ============ */

.governing-bodies {
  background: var(--white-court);
  position: relative;
}

.governing-bodies::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 3rem;
  background: var(--clay);
  opacity: 0.6;
}

.body-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(15, 42, 31, 0.1);
  border: 1px solid rgba(15, 42, 31, 0.1);
  margin-bottom: 2.5rem;
}

.body-card {
  background: var(--white-court);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  transition: background 0.25s ease;
  position: relative;
}

.body-card:hover {
  background: var(--cream);
}

.body-card-primary {
  background: var(--green-deep);
  color: var(--cream);
}

.body-card-primary:hover {
  background: var(--green-deep);
}

.body-card-primary h4 {
  color: var(--cream);
}

.body-card-primary p {
  color: rgba(244, 237, 224, 0.78);
}

.body-card-primary .body-mark {
  color: var(--clay);
  border-color: var(--clay);
}

.body-mark {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--green-deep);
  border: 1px solid var(--green-deep);
  padding: 0.35rem 0.85rem;
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 1.5rem;
  border-radius: 2px;
}

.body-card h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.body-card p {
  font-size: 0.95rem;
  color: #455149;
  line-height: 1.55;
}

.governing-footnote {
  max-width: 46rem;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--green-deep);
  line-height: 1.45;
  padding-top: 2rem;
  border-top: 1px solid rgba(15, 42, 31, 0.1);
}

/* ============ When You Need A Test ============ */

.when-section {
  background: var(--cream);
}

.when-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.when-card {
  background: var(--white-court);
  padding: 2rem;
  border: 1px solid rgba(15, 42, 31, 0.08);
  position: relative;
  transition: all 0.25s ease;
}

.when-card:hover {
  border-color: var(--clay);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(15, 42, 31, 0.06);
}

.when-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1.25rem;
  color: var(--clay-dark);
}

.when-icon svg {
  width: 100%;
  height: 100%;
}

.when-card h4 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: var(--green-deep);
}

.when-card p {
  font-size: 0.96rem;
  color: #455149;
  line-height: 1.55;
}

/* ============ What Is A Slip Test — explainer ============ */

.explainer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.explainer-text h3 {
  font-size: 1.55rem;
  margin-bottom: 1.25rem;
  max-width: 28rem;
}

.explainer-text p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  line-height: 1.65;
}

.explainer-text strong {
  color: var(--green-deep);
  font-weight: 600;
}

.explainer-ptv {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 2rem;
  border: 1px solid rgba(15, 42, 31, 0.12);
}

.ptv-item {
  padding: 1.5rem 1rem;
  text-align: center;
  border-right: 1px solid rgba(15, 42, 31, 0.12);
}

.ptv-item:last-child {
  border-right: none;
}

.ptv-range {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.ptv-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #5a6b62;
}

.ptv-high { background: rgba(200, 111, 74, 0.08); }
.ptv-high .ptv-range { color: var(--clay-dark); }

.ptv-mod { background: rgba(234, 179, 8, 0.08); }
.ptv-mod .ptv-range { color: #a16207; }

.ptv-low { background: rgba(45, 90, 63, 0.08); }
.ptv-low .ptv-range { color: var(--green-accent); }

.explainer-aside {
  background: var(--green-deep);
  color: var(--cream);
  padding: 2.25rem;
  position: relative;
}

.explainer-aside::before {
  content: "";
  position: absolute;
  top: 2.25rem;
  left: -8px;
  width: 16px;
  height: 16px;
  background: var(--clay);
  transform: rotate(45deg);
}

.explainer-aside h4 {
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.explainer-aside p {
  color: rgba(244, 237, 224, 0.82);
  font-size: 0.98rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.aside-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clay);
  margin-top: 0.5rem;
  border-bottom: 1px solid rgba(200, 111, 74, 0.4);
  padding-bottom: 2px;
}

.aside-link:hover {
  color: var(--cream);
  border-color: var(--cream);
}

/* ============ Scroll reveal ============ */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ Responsive ============ */

@media (max-width: 960px) {
  .hero-grid,
  .why-grid,
  .cta-inner,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .body-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .when-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .explainer-grid {
    grid-template-columns: 1fr;
  }

  .explainer-aside::before {
    display: none;
  }

  .hero-visual {
    aspect-ratio: 1 / 1;
    max-width: 440px;
    margin: 0 auto;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

  .process-steps::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--cream);
    padding: 1.5rem var(--gutter);
    gap: 1.25rem;
    border-bottom: 1px solid rgba(15, 42, 31, 0.1);
  }

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

  .menu-toggle {
    display: block;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .body-grid {
    grid-template-columns: 1fr;
  }

  .when-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .accred-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-badge {
    display: none;
  }
}