/* ==========================================================================
   COLLECTIVE — styles.css
   Complete design system: colours, typography, layout, dark mode,
   container queries, responsive utilities.
   ========================================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* ==========================================================================
   1. CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
  /* --- Fonts (single-variable swap when Canela is ready) --- */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* --- Light-mode palette (default) --- */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F5F5F7;
  --color-bg-dark: #0A0A0F;
  --color-text-heading: #0A0A0F;
  --color-text-body: #6B7280;
  --color-text-light: #FFFFFF;
  --color-text-muted: rgba(255, 255, 255, 0.55);
  --color-accent: #5FA8FF;
  --color-accent-hover: #4A93E8;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-dark: rgba(255, 255, 255, 0.1);

  /* --- Placeholder block colours --- */
  --color-placeholder: #E5E7EB;
  --color-placeholder-dark: #1A1A24;

  /* --- Fluid typography --- */
  --text-hero: clamp(36px, 5vw, 64px);
  --text-page-title: clamp(28px, 4vw, 48px);
  --text-section: clamp(24px, 3vw, 36px);
  --text-body: 16px;

  /* --- Spacing scale --- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* --- Layout --- */
  --container-max: 1200px;
  --container-narrow: 800px;
  --nav-height: 72px;
  --border-radius: 6px;
  --transition-base: 0.25s ease;
}

/* ==========================================================================
   2. DARK MODE OVERRIDES
   ========================================================================== */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #0A0A0F;
    --color-bg-secondary: #12121A;
    --color-text-heading: #FFFFFF;
    --color-text-body: #9CA3AF;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-placeholder: #1E1E2A;
    --color-placeholder-dark: #16161F;
  }
}

/* ==========================================================================
   3. RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text-body);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font: inherit;
}

/* ==========================================================================
   4. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text-heading);
  line-height: 1.15;
  font-weight: 600;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-page-title); }
h3 { font-size: var(--text-section); }

p {
  max-width: 65ch;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ==========================================================================
   5. LAYOUT UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--space-2xl);
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-light);
}

.section--dark p {
  color: var(--color-text-muted);
}

.section--dark .eyebrow {
  color: var(--color-text-muted);
}

.section--alt {
  background-color: var(--color-bg-secondary);
}

/* Container query wrapper */
.cq-container {
  container-type: inline-size;
}

/* ==========================================================================
   6. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 14px 28px;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
  min-height: 44px;
  min-width: 44px;
}

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

.btn--primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

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

.btn--secondary {
  background-color: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-border-dark);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Secondary button on light backgrounds */
.section:not(.section--dark) .btn--secondary,
.section--alt .btn--secondary {
  color: var(--color-text-heading);
  border-color: var(--color-border);
}

.section:not(.section--dark) .btn--secondary:hover,
.section--alt .btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

/* ==========================================================================
   7. NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background-color: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-dark);
  transition: background-color var(--transition-base);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-light);
}

/* Services dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
  padding: 8px 0;
  cursor: pointer;
}

.nav-dropdown-toggle:hover {
  color: var(--color-text-light);
}

.nav-dropdown-toggle svg {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-base);
}

.nav-dropdown.open .nav-dropdown-toggle svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  background-color: #16161F;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--border-radius);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.nav-dropdown-menu a:hover {
  color: var(--color-text-light);
  background-color: rgba(255, 255, 255, 0.04);
}

/* Header CTA */
.nav-cta {
  margin-left: var(--space-sm);
}

.nav-cta .btn {
  padding: 10px 20px;
  font-size: 13px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-light);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 900px) {
  .hamburger {
    display: flex;
  }

  body.mobile-menu-open .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background-color: #0A0A0F;
    border-bottom-color: transparent;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: var(--space-xl) var(--space-md);
    background-color: #0A0A0F;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a,
  .nav-dropdown-toggle {
    font-size: 22px;
    padding: 24px 0;
    width: 100%;
    text-align: center;
    justify-content: center;
    border-bottom: none;
  }

  .nav-links > li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--color-border-dark);
  }

  .nav-links > li:last-child {
    border-bottom: none;
  }

  .hamburger.active {
    position: fixed;
    top: 20px;
    right: var(--space-md);
    z-index: 10000;
  }

  .nav-dropdown-menu {
    position: static;
    transform: none;
    background: transparent;
    border: none;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.25s ease;
    opacity: 0;
  }

  .nav-dropdown.open .nav-dropdown-menu {
    max-height: 300px;
    opacity: 1;
  }

  .nav-dropdown-menu a {
    padding: 16px 0;
    font-size: 18px;
    border-bottom: none;
    color: var(--color-text-muted);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-md);
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   8. HERO SECTIONS
   ========================================================================== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-2xl);
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.hero h1 {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.hero .eyebrow {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero .subheadline {
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

.hero .support-line {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.35);
  margin-top: var(--space-md);
}

/* Interior page hero (shorter) */
.hero--interior {
  min-height: 60vh;
}

/* ==========================================================================
   9. BUTTERFLY ANIMATION (homepage hero)
   ========================================================================== */
.butterfly-container {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(280px, 30vw, 480px);
  height: clamp(280px, 30vw, 480px);
  opacity: 0.6;
  pointer-events: none;
}

@media (max-width: 900px) {
  .butterfly-container {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    margin: var(--space-xl) auto 0;
    opacity: 0.5;
    width: clamp(200px, 60vw, 320px);
    height: clamp(200px, 60vw, 320px);
  }
}

.butterfly-svg {
  width: 100%;
  height: 100%;
}

/* Wing breathing animation */
.butterfly-wing-left {
  transform-origin: 50% 50%;
  animation: wingLeft 4s ease-in-out infinite;
}

.butterfly-wing-right {
  transform-origin: 50% 50%;
  animation: wingRight 4s ease-in-out infinite;
}

@keyframes wingLeft {
  0%, 100% { transform: scaleX(1) rotate(0deg); }
  50% { transform: scaleX(0.92) rotate(-2deg); }
}

@keyframes wingRight {
  0%, 100% { transform: scaleX(1) rotate(0deg); }
  50% { transform: scaleX(0.92) rotate(2deg); }
}

/* Scan line */
.scan-line {
  animation: scanMove 6s ease-in-out infinite;
}

@keyframes scanMove {
  0%, 100% { transform: translateY(-40%); opacity: 0; }
  10% { opacity: 1; }
  50% { transform: translateY(40%); opacity: 1; }
  60% { opacity: 0; }
}

/* Vein glow */
.wing-veins {
  opacity: 0;
  animation: veinGlow 6s ease-in-out infinite;
}

@keyframes veinGlow {
  0%, 20% { opacity: 0; }
  35%, 55% { opacity: 0.7; }
  70%, 100% { opacity: 0; }
}

/* Grid overlay on wings */
.wing-grid {
  opacity: 0;
  animation: gridReveal 6s ease-in-out infinite;
}

@keyframes gridReveal {
  0%, 25% { opacity: 0; }
  40%, 50% { opacity: 0.3; }
  65%, 100% { opacity: 0; }
}

/* ==========================================================================
   10. CARDS & GRID
   ========================================================================== */
.card-grid {
  container-type: inline-size;
  display: grid;
  gap: var(--space-md);
}

@container (min-width: 500px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@container (min-width: 800px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

@container (min-width: 1000px) {
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.card h4 {
  font-size: 18px;
  margin-bottom: var(--space-xs);
}

.card p {
  font-size: 15px;
  color: var(--color-text-body);
}

/* Dark cards */
.section--dark .card {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--color-border-dark);
}

.section--dark .card:hover {
  border-color: var(--color-accent);
}

.section--dark .card h4 {
  color: var(--color-text-light);
}

.section--dark .card p {
  color: var(--color-text-muted);
}

/* Card with accent top border */
.card--accent {
  border-top: 2px solid var(--color-accent);
}

/* ==========================================================================
   11. IMAGE PLACEHOLDERS
   ========================================================================== */
/* IMAGE PLACEHOLDER */
.placeholder {
  background-color: var(--color-placeholder);
  border-radius: var(--border-radius);
  width: 100%;
  aspect-ratio: 16 / 9;
}

.section--dark .placeholder {
  background-color: var(--color-placeholder-dark);
}

/* ==========================================================================
   12. SERVICES / LAYER CARDS
   ========================================================================== */
.layer-card {
  container-type: inline-size;
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
  transition: border-color var(--transition-base);
}

.layer-card:hover {
  border-color: var(--color-accent);
}

.layer-card .eyebrow {
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.layer-card h4 {
  margin-bottom: var(--space-xs);
}

.section--dark .layer-card {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--color-border-dark);
}

.section--dark .layer-card h4 {
  color: var(--color-text-light);
}

.section--dark .layer-card p {
  color: var(--color-text-muted);
}

/* ==========================================================================
   13. CTA BLOCK (full-width final section)
   ========================================================================== */
.cta-block {
  text-align: center;
  padding-block: var(--space-3xl);
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.cta-block h2 {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.cta-block p {
  color: var(--color-text-muted);
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.cta-block .btn-group {
  justify-content: center;
}

/* ==========================================================================
   14. CONTACT FORM
   ========================================================================== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 560px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-heading);
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-bg-primary);
  color: var(--color-text-heading);
  font-size: 15px;
  transition: border-color var(--transition-base);
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

@media (prefers-color-scheme: dark) {
  .form-group label {
    color: var(--color-text-light);
  }

  .form-group input,
  .form-group textarea {
    background-color: var(--color-bg-secondary);
    border-color: var(--color-border);
    color: var(--color-text-light);
  }
}

/* ==========================================================================
   15. INSIGHTS ARTICLE CARDS
   ========================================================================== */
.article-card {
  container-type: inline-size;
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-lg);
}

.article-card:last-child {
  border-bottom: none;
}

.article-card .eyebrow {
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.article-card h3 {
  font-size: clamp(20px, 2.5vw, 28px);
  margin-bottom: var(--space-xs);
}

.article-card p {
  margin-bottom: var(--space-sm);
}

.article-card a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition-base);
}

.article-card a:hover {
  color: var(--color-accent-hover);
}

/* ==========================================================================
   16. FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding-block: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--color-border-dark);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .site-logo {
  margin-bottom: var(--space-sm);
}

.footer-brand .tagline {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.footer-brand .support-line {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
}

.footer-nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-base);
  padding: 4px 0;
}

.footer-nav a:hover {
  color: var(--color-text-light);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-dark);
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition-base);
}

.footer-bottom a:hover {
  color: var(--color-text-light);
}

/* ==========================================================================
   17. SECTION INTRO (eyebrow + heading + body pattern)
   ========================================================================== */
.section-intro {
  max-width: var(--container-narrow);
  margin-bottom: var(--space-xl);
}

.section-intro .eyebrow {
  margin-bottom: var(--space-sm);
}

.section-intro h2 {
  margin-bottom: var(--space-md);
}

/* Centred intro variant */
.section-intro--center {
  text-align: center;
  margin-inline: auto;
}

/* ==========================================================================
   18. METRIC / STAT ITEMS
   ========================================================================== */
.metric-list {
  container-type: inline-size;
  display: grid;
  gap: var(--space-md);
}

@container (min-width: 500px) {
  .metric-list { grid-template-columns: repeat(2, 1fr); }
}

@container (min-width: 800px) {
  .metric-list { grid-template-columns: repeat(3, 1fr); }
}

.metric-item {
  padding: var(--space-md);
  border-left: 2px solid var(--color-accent);
}

.metric-item h4 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.metric-item p {
  font-size: 15px;
}

/* ==========================================================================
   19. TWO-COLUMN LAYOUT
   ========================================================================== */
.two-col {
  container-type: inline-size;
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}

@container (min-width: 700px) {
  .two-col { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   20. LIST STYLES
   ========================================================================== */
.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.check-list li {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.55;
}

.check-list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* ==========================================================================
   21. PAGE-SPECIFIC: ABOUT FOUNDER SECTION
   ========================================================================== */
.founder-section {
  container-type: inline-size;
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

@container (min-width: 700px) {
  .founder-section { grid-template-columns: 1fr 2fr; }
}

/* IMAGE PLACEHOLDER */
.founder-photo {
  background-color: var(--color-placeholder);
  border-radius: var(--border-radius);
  aspect-ratio: 3 / 4;
  width: 100%;
  max-width: 300px;
}

/* ==========================================================================
   22. UTILITY CLASSES
   ========================================================================== */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==========================================================================
   23. GLOBAL RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 600px) {
  .section {
    padding-block: var(--space-xl);
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-lg));
    padding-bottom: var(--space-xl);
  }

  .hero--interior {
    min-height: auto;
  }

  .cta-block {
    padding-block: var(--space-2xl);
  }

  .footer-top {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}