/* Mellon Website Styles
   Design System: Clean, modern, geometric, professional
   Primary: Deep teal-blue matching logo
   Supports light / dark mode
   Mobile-first, accessible
*/

/* ========== CSS Variables ========== */
:root {
  /* Brand colours */
  --color-primary: #0F766E;
  --color-primary-hover: #0D9488;
  --color-primary-dark: #115E59;
  --color-accent: #2DD4BF;
  --color-accent-soft: #99F6E4;

  /* Neutrals */
  --color-charcoal: #0F172A;
  --color-text: #1E293B;
  --color-text-muted: #475569;
  --color-text-inverse: #F8FAFC;

  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-elevated: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;

  /* Semantic */
  --color-success: #059669;
  --focus-ring: 0 0 0 3px rgba(15, 118, 110, 0.35);

  /* Typography */
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 72rem;
  --header-height: 4.5rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode via class on html (preferred over media for user control) */
html.dark {
  --color-primary: #14B8A6;
  --color-primary-hover: #2DD4BF;
  --color-primary-dark: #0D9488;
  --color-accent: #5EEAD4;
  --color-accent-soft: #134E4A;

  --color-charcoal: #F1F5F9;
  --color-text: #E2E8F0;
  --color-text-muted: #94A3B8;
  --color-text-inverse: #0F172A;

  --color-bg: #0B1220;
  --color-bg-alt: #111827;
  --color-bg-elevated: #1E293B;
  --color-border: #1E293B;
  --color-border-strong: #334155;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);

  --focus-ring: 0 0 0 3px rgba(20, 184, 166, 0.4);
}

/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 2px;
}

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

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-charcoal);
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

/* ========== Typography Scale ========== */
.text-display {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.text-h1 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.text-h2 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 600;
}

.text-h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.text-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.text-sm {
  font-size: 0.875rem;
}

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

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

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.section {
  padding-block: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-20);
  }
}

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

.grid-2 {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.grid-3 {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.stack-lg {
  gap: var(--space-8);
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background-color: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-charcoal);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-charcoal);
}

.logo-mark {
  display: block;
  width: 1.9rem;
  height: 1.9rem;
  flex-shrink: 0;
  background-color: currentColor;
  mask: url("/images/logo.svg") center / contain no-repeat;
  -webkit-mask: url("/images/logo.svg") center / contain no-repeat;
}

.logo-text {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1;
  text-transform: lowercase;
}

@media (max-width: 359px) {
  .logo-text {
    font-size: 1.125rem;
  }
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius);
  transition: color var(--transition), background-color var(--transition);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--color-charcoal);
  background-color: var(--color-bg-alt);
}

.nav-link[aria-current="page"] {
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  color: var(--color-text-muted);
  transition: color var(--transition), background-color var(--transition);
}

.theme-toggle:hover {
  color: var(--color-charcoal);
  background-color: var(--color-bg-alt);
}

.theme-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.theme-toggle .icon-sun {
  display: none;
}

html.dark .theme-toggle .icon-moon {
  display: none;
}

html.dark .theme-toggle .icon-sun {
  display: block;
}

/* Mobile menu button */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-charcoal);
}

.menu-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.menu-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background-color: var(--color-bg);
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
  z-index: 40;
}

.nav-mobile.is-open {
  display: block;
}

.nav-mobile .nav-link {
  display: block;
  padding: var(--space-4);
  font-size: 1.0625rem;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
}

.nav-mobile .nav-link:last-of-type {
  border-bottom: none;
}

.nav-mobile-cta {
  margin-top: var(--space-6);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 550;
  line-height: 1.25;
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid transparent;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-charcoal);
  border: 1px solid var(--color-border-strong);
}

.btn-secondary:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding-inline: 0.5rem;
}

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

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

/* ========== Hero ========== */
.hero {
  padding-block: var(--space-16) var(--space-20);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding-block: var(--space-24) var(--space-24);
  }
}

.hero-content {
  max-width: 42rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-6);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  background-color: color-mix(in srgb, var(--color-primary) 10%, transparent);
  border-radius: 9999px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.hero .text-lead {
  margin-bottom: var(--space-8);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Subtle geometric background accent */
.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50%;
  height: 140%;
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--color-primary) 8%, transparent) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

html.dark .hero::before {
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--color-primary) 12%, transparent) 0%, transparent 70%);
}

/* ========== Cards ========== */
.card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition), box-shadow var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border));
  box-shadow: var(--shadow-md);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: var(--space-4);
  border-radius: var(--radius);
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}

.card-icon svg {
  width: 1.375rem;
  height: 1.375rem;
}

.card h3 {
  margin-bottom: var(--space-3);
  font-size: 1.125rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  font-size: 0.9375rem;
  font-weight: 550;
  color: var(--color-primary);
}

.card-link:hover {
  gap: var(--space-3);
}

.card-link svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition);
}

.card-link:hover svg {
  transform: translateX(2px);
}

/* ========== Service outcome list ========== */
.outcome-list {
  display: grid;
  gap: var(--space-3);
}

.outcome-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.975rem;
}

.outcome-list li::before {
  content: "";
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  background-color: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230F766E'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 0.75rem;
  background-repeat: no-repeat;
  background-position: center;
}

html.dark .outcome-list li::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2314B8A6'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
}

/* ========== Capability sections ========== */
.capability-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .capability-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.capability-block {
  padding: var(--space-5);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.capability-block h3 {
  font-size: 1rem;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.capability-block ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.capability-block li {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}

.capability-block li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ========== Process steps ========== */
.process-steps {
  display: grid;
  gap: var(--space-6);
  counter-reset: step;
}

@media (min-width: 768px) {
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
}

.process-step {
  position: relative;
  padding-top: var(--space-10);
}

.process-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.process-step h3 {
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ========== CTA Section ========== */
.cta-section {
  background-color: var(--color-bg-alt);
  border-block: 1px solid var(--color-border);
}

.cta-inner {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
}

.cta-inner h2 {
  margin-bottom: var(--space-4);
}

.cta-inner p {
  margin-bottom: var(--space-8);
  color: var(--color-text-muted);
}

/* ========== Footer ========== */
.site-footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16) var(--space-8);
}

.footer-grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-brand p {
  margin-top: var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 16rem;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: 0.9375rem;
  color: var(--color-text);
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

/* ========== Contact Form ========== */
.contact-grid {
  display: grid;
  gap: var(--space-12);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-method {
  display: flex;
  gap: var(--space-4);
}

.contact-method-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}

.contact-method-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.contact-method h3 {
  font-size: 0.9375rem;
  margin-bottom: var(--space-1);
}

.contact-method p,
.contact-method a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.form-card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-charcoal);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

.form-group textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-group .optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.form-note {
  margin-top: var(--space-4);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ========== Insights / Content ========== */
.theme-list {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .theme-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.theme-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.theme-item::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  flex-shrink: 0;
}

/* ========== Legal pages ========== */
.legal-content {
  max-width: 42rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  font-size: 0.975rem;
}

.legal-content ul {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
  list-style: disc;
}

.legal-content li {
  margin-bottom: var(--space-2);
}

/* ========== 404 ========== */
.error-page {
  min-height: calc(100vh - var(--header-height) - 12rem);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-5);
}

.error-page h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: var(--space-4);
}

.error-page p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* ========== Utilities ========== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

/* ========== Print & reduced motion ========== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard users only when needed */
:focus:not(:focus-visible) {
  outline: none;
}

/* Header CTA visible only on larger screens */
.header-cta {
  display: none;
}
@media (min-width: 900px) {
  .header-cta {
    display: inline-flex;
  }
}

/* ========== Brand Promise Card ========== */
.brand-promise-card {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.brand-promise-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.brand-promise-text {
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.35;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

@media (min-width: 640px) {
  .brand-promise-text {
    white-space: nowrap;
  }
}

/* ========== Hero with Visual ========== */
.hero-grid {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: var(--radius-lg);
}

/* Show correct hero image based on theme */
.hero-img-light { display: block; }
.hero-img-dark  { display: none; }

html.dark .hero-img-light { display: none; }
html.dark .hero-img-dark  { display: block; }

@media (max-width: 899px) {
  .hero-visual {
    order: -1;
  }
  .hero-img {
    max-width: 360px;
  }
}