/* ============================================================
   Practice Impact Consultancy — Stylesheet
   Colour tokens, typography, layout, components
   ============================================================ */

/* ── 1. Colour tokens ──────────────────────────────────────── */
:root {
  --color-primary:          #0F4C4C;   /* Deep Teal */
  --color-bg:               #F5F1E8;   /* Warm Paper */
  --color-surface:          #FCFAF5;   /* Soft Ivory */
  --color-secondary:        #DDE7E2;   /* Mineral Mist */
  --color-accent:           #B7A77A;   /* Measured Gold */
  --color-muted-surface:    #E9E5DB;   /* Paper Shadow */
  --color-border:           #BFC9C2;   /* Soft Sage Grey */
  --color-text-secondary:   #4B5B58;   /* Slate Green */
  --color-text:             #0A0A0A;   /* Ink */
  --color-on-primary:       #FFFFFF;   /* White */

  /* Semantic aliases */
  --bg-background:          var(--color-bg);
  --bg-card:                var(--color-surface);
  --bg-primary:             var(--color-primary);
  --bg-secondary:           var(--color-secondary);
  --bg-muted:               var(--color-muted-surface);
  --bg-accent:              var(--color-accent);
  --text-foreground:        var(--color-text);
  --text-card-foreground:   var(--color-text);
  --text-primary-foreground: var(--color-on-primary);
  --text-secondary-foreground: var(--color-text-secondary);
  --text-muted-foreground:  var(--color-text-secondary);
  --text-accent-foreground: var(--color-text);
  --border-border:          var(--color-border);
}

/* ── 2. Reset & base ───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: 'Source Sans 3', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ── 3. Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Source Serif 4', serif;
  line-height: 1.15;
  color: var(--color-text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem);  font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem);  font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 65ch;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 55ch;
}

.section-label {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.75rem;
}

/* ── 4. Layout ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 4rem);
}

.container--narrow {
  max-width: 860px;
}

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

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header p {
  margin-top: 1rem;
}

/* ── 5. Horizontal rule dividers ───────────────────────────── */
.rule {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
}

.rule--accent {
  background: var(--color-accent);
  width: 3rem;
  height: 2px;
  margin-bottom: 1.5rem;
}

/* ── 6. Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.85rem 1.75rem;
  border-radius: 2px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: #0a3535;
  border-color: #0a3535;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding-inline: 0;
}

.btn--ghost:hover {
  color: #0a3535;
}

.btn--on-dark {
  background-color: var(--color-on-primary);
  color: var(--color-primary);
  border-color: var(--color-on-primary);
}

.btn--on-dark:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-on-primary);
  border-color: rgba(255,255,255,0.5);
}

.btn--outline-light:hover {
  border-color: var(--color-on-primary);
}

/* ── 7. Header / Navigation ────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 200ms ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(15,76,76,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
}

.logo__name {
  font-family: 'Source Serif 4', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo__tagline {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.4rem 0.75rem;
  position: relative;
  transition: color 200ms ease;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 1.5px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 280ms ease;
}

.site-nav a:hover {
  color: var(--color-primary);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.site-nav a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.header-cta {
  flex-shrink: 0;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  display: block;
}

/* ── 8. Hero ───────────────────────────────────────────────── */
.hero {
  padding-block: clamp(4rem, 8vw, 6rem);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero__eyebrow-line {
  display: block;
  width: 2rem;
  height: 1.5px;
  background: var(--color-accent);
}

.hero__eyebrow-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__headline {
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.hero__sub {
  margin-bottom: 2rem;
}

.hero__sectors {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.hero__sectors-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.hero__sectors-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sector-tag {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  background: var(--color-secondary);
  color: var(--color-text-secondary);
  border-radius: 2px;
  border: 1px solid var(--color-border);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__image-panel {
  position: relative;
}

.hero__image-frame {
  position: relative;
  background: var(--color-secondary);
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.hero__image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--color-secondary);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  text-align: center;
  padding: 2rem;
}

.hero__image-placeholder svg {
  opacity: 0.4;
}

/* Dot matrix decoration */
.hero__dot-matrix {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  width: 6rem;
  height: 6rem;
  background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 10px 10px;
  pointer-events: none;
  z-index: -1;
}

/* ── 9. Approach section ───────────────────────────────────── */
.approach {
  background: var(--color-bg);
}

.approach__stages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.approach__stage {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem 2rem;
  padding-block: 2.5rem;
  border-top: 1px solid var(--color-border);
  align-items: start;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 400ms ease, transform 400ms ease;
}

.approach__stage.visible {
  opacity: 1;
  transform: translateY(0);
}

.approach__stage:last-child {
  border-bottom: 1px solid var(--color-border);
}

.approach__index {
  font-family: 'Source Serif 4', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  min-width: 3rem;
  text-align: right;
}

.approach__content {}

.approach__stage-title {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.approach__stage-desc {
  max-width: 55ch;
}

/* ── 10. Services section ──────────────────────────────────── */
.services {
  background: var(--color-muted-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.service-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--color-border);
  text-decoration: none;
  position: relative;
  transition: background-color 200ms ease;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 350ms ease, transform 350ms ease,
    background-color 200ms ease, box-shadow 200ms ease;
}

.service-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.service-item:hover {
  background-color: rgba(15, 76, 76, 0.04);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15, 76, 76, 0.12);
  border-radius: 2px;
  border-color: transparent;
  z-index: 1;
}

.service-item:hover .service-item__arrow {
  transform: translateX(4px);
}

.service-item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.service-item__body {
  flex: 1;
}

.service-item__name {
  font-family: 'Source Serif 4', serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.service-item__desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  max-width: 55ch;
  margin: 0;
}

.service-item__arrow {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 250ms ease;
  margin-top: 0.2rem;
}

/* ── 11. IMPACT 360™ section ───────────────────────────────── */
.impact360 {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.impact360 .section-label {
  color: var(--color-accent);
}

.impact360 h2 {
  color: var(--color-on-primary);
}

.impact360 .lead {
  color: rgba(255,255,255,0.8);
  margin-top: 0.75rem;
}

.impact360__programme-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 1.25rem;
}

.impact360__header {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.impact360__pathway {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.impact360__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem 1.75rem;
  padding-block: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  align-items: start;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 400ms ease, transform 400ms ease;
}

.impact360__step.visible {
  opacity: 1;
  transform: translateY(0);
}

.impact360__step:last-child {
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.impact360__step-index {
  font-family: 'Source Serif 4', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  min-width: 2.5rem;
  text-align: right;
}

.impact360__step-letter {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 0.15rem;
}

.impact360__step-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-on-primary);
  margin-bottom: 0.4rem;
}

.impact360__step-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  max-width: 52ch;
  margin: 0;
  line-height: 1.65;
}

/* ── 12. Why Practice Impact ───────────────────────────────── */
.why-us {
  background: var(--color-bg);
}

.why-us__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.why-us__pull-quote {
  font-family: 'Source Serif 4', serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.3;
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-accent);
}

.why-us__commitments {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.commitment-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 350ms ease, transform 350ms ease;
}

.commitment-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.commitment-item__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 0.55rem;
}

.commitment-item__text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: none;
}

.commitment-item strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ── 13. Consultation CTA section ──────────────────────────── */
.consultation {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.consultation__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

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

.cta-path {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color 200ms ease, background-color 200ms ease;
  cursor: pointer;
}

.cta-path:hover {
  border-color: var(--color-primary);
  background-color: var(--color-secondary);
}

.cta-path:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.cta-path__label {
  font-family: 'Source Serif 4', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.cta-path__arrow {
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 200ms ease;
}

.cta-path:hover .cta-path__arrow {
  transform: translateX(4px);
}

/* ── 14. Contact form section ──────────────────────────────── */
.contact {
  background: var(--color-bg);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-group:last-of-type {
  margin-bottom: 0;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-primary);
  margin-left: 0.2rem;
}

.form-input,
.form-select,
.form-textarea {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 2px;
  padding: 0.7rem 0.9rem;
  width: 100%;
  transition: border-color 200ms ease, box-shadow 200ms ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15,76,76,0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

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

.form-actions {
  margin-top: 1.5rem;
}

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: 2px;
  display: none;
}

.form-status--success {
  background: var(--color-secondary);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.form-status--error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.form-status.visible {
  display: block;
}

/* ── 15. Footer ────────────────────────────────────────────── */
.site-footer {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.footer-brand .logo__name {
  color: var(--color-on-primary);
  font-size: 1.1rem;
}

.footer-brand .logo__tagline {
  color: rgba(255,255,255,0.55);
}

.footer-brand__strapline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-top: 0.75rem;
  max-width: 30ch;
  line-height: 1.6;
}

.footer-nav h4 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 1rem;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color 200ms ease;
}

.footer-nav a:hover {
  color: var(--color-on-primary);
}

.footer-nav a:focus-visible {
  outline: 2px solid var(--color-on-primary);
  outline-offset: 2px;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  max-width: none;
  margin: 0;
}

/* ── 16. Scroll reveal utility ─────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 450ms ease, transform 450ms ease;
}

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

/* ── 17. Skip link (accessibility) ────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 4px 4px;
  transition: top 200ms ease;
}

.skip-link:focus {
  top: 0;
}

/* ── 18. Responsive: tablet ────────────────────────────────── */
@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }

  .hero__sectors-list {
    gap: 0.5rem;
  }
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .why-us__commitments {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── 19. Responsive: desktop ───────────────────────────────── */
@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  /* Two stages per row on larger screens */
  .approach__stages {
    grid-template-columns: 1fr 1fr;
    column-gap: 3rem;
  }

  /* Close off the bottom of each column: the last item in each
     column (second-to-last and last stage) carries a bottom border */
  .approach__stage:nth-last-child(2) {
    border-bottom: 1px solid var(--color-border);
  }

  /* Two services per row on larger screens */
  .services__grid {
    grid-template-columns: 1fr 1fr;
    column-gap: 3rem;
  }

  /* Close off the bottom of each column: the second-to-last item
     (bottom of the left column) also carries a bottom border */
  .service-item:nth-last-child(2) {
    border-bottom: 1px solid var(--color-border);
  }

  .consultation__grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }

  .contact__grid {
    grid-template-columns: 1fr 1.4fr;
    gap: 5rem;
  }

  .why-us__grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .impact360__pathway {
    grid-template-columns: 1fr 1fr;
    gap: 0 4rem;
  }

  /* Reset step borders in two-column layout */
  .impact360__step:nth-child(1),
  .impact360__step:nth-child(2) {
    border-top: 1px solid rgba(255,255,255,0.12);
  }
}

/* ── 20. Mobile navigation ─────────────────────────────────── */
@media (max-width: 860px) {
  .menu-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: 0 4px 12px rgba(15,76,76,0.08);
    z-index: 99;
  }

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

  .site-nav a {
    padding: 0.75rem 1.5rem;
    width: 100%;
  }

  .site-nav a::after {
    display: none;
  }

  .site-header {
    position: sticky;
  }
}

/* ── 21. Reduced motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .approach__stage,
  .service-item,
  .impact360__step,
  .commitment-item {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}