/* SaaSWords stylesheet.
   Page-specific rules live in index.css and services/service.css. */

:root {
  --color-primary:          #1A1A2E;
  --color-secondary:        #16213E;
  --color-accent:           #0F3460;
  --color-highlight:        #E94560;

  --color-surface:          #FFFFFF;
  --color-surface-alt:      #F8F9FA;

  --color-text-primary:     #1A1A2E;
  --color-text-secondary:   #6B7280;
  --color-text-inverse:     #FFFFFF;

  --color-border:           #E5E7EB;
  --color-success:          #10B981;
  --color-error:            #EF4444;

  /* Text-safe accents: the brand highlight and success colours do not meet
     WCAG AA (4.5:1) for small text, so text uses these darker variants while
     borders, backgrounds, and decoration keep the brand colours. */
  --color-highlight-text:   #B8273F;
  --color-success-text:     #047857;
  --color-on-highlight:     #FFFFFF;
  --color-highlight-strong: #C9304A;

  --font-display:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code:     'JetBrains Mono', ui-monospace, monospace;

  --size-display:  3.5rem;
  --size-h1:       2.5rem;
  --size-h2:       2rem;
  --size-h3:       1.5rem;
  --size-body-lg:  1.125rem;
  --size-body:     1rem;
  --size-caption:  0.875rem;

  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.10);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);

  --motion-fast: 150ms;
  --motion-base: 250ms;
  --motion-slow: 400ms;
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout:  cubic-bezier(0.4, 0, 0.2, 1);

  --content-max: 1200px;
  --header-h:    68px;
}

*, *::before, *::after {
  box-sizing: border-box;
  min-width: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--space-4));
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

h1, h2, h3, h4, p, ul, ol { margin: 0; }

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

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--motion-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

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

::selection { background: var(--color-highlight); color: #fff; }

:focus-visible {
  outline: 2px solid var(--color-highlight);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--size-caption);
  font-weight: 600;
  border-radius: var(--radius-md);
  transform: translateY(-200%);
}

.skip-link:focus-visible { transform: translateY(0); }

#main:focus { outline: none; }

.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 24px);
}

.section {
  padding-block: clamp(56px, 8vw, 80px);
}

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

.section--dark { background: var(--color-primary); color: var(--color-text-inverse); }

.section__head {
  max-width: 760px;
  margin-bottom: clamp(32px, 5vw, 48px);
}

.section__head--center {
  margin-inline: auto;
  text-align: center;
}

.section__head--center .section__lead { margin-inline: auto; }

.section__title {
  font-size: clamp(1.65rem, 1.1rem + 2.2vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section--dark .section__title { color: #fff; }

.section__lead {
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  color: var(--color-text-secondary);
  max-width: 64ch;
}

.section--dark .section__lead { color: rgba(255,255,255,0.7); }

.eyebrow {
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-highlight-text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.eyebrow--inverse { color: rgba(255,255,255,0.6); }

.subhead {
  font-size: clamp(1.25rem, 1rem + 1vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: clamp(32px, 5vw, 40px) 0 var(--space-4);
}

.subhead:first-of-type { margin-top: clamp(24px, 4vw, 32px); }

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

.grid > * { min-width: 0; }

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--size-body);
  font-weight: 600;
  line-height: 1;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--motion-fast) var(--ease-out),
              color var(--motion-fast) var(--ease-out),
              border-color var(--motion-fast) var(--ease-out),
              box-shadow var(--motion-fast) var(--ease-out),
              transform var(--motion-fast) var(--ease-out);
}

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

.btn--primary {
  background: var(--color-highlight-strong);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: #D63A53;
  box-shadow: var(--shadow-md);
  color: #fff;
}

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

.btn--secondary:hover {
  background: rgba(15,52,96,0.06);
  color: var(--color-accent);
}

.btn--inverse {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}

.btn--inverse:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  padding: 8px 16px;
}

.btn--ghost:hover { background: var(--color-surface-alt); color: var(--color-text-primary); }

.btn--link {
  background: transparent;
  color: var(--color-accent);
  padding: 0;
  border-radius: 0;
}

.btn--link:hover { color: var(--color-highlight); text-decoration: underline; text-underline-offset: 3px; }

.btn--sm { padding: 8px 16px; font-size: var(--size-caption); }

.btn--lg { padding: 16px 32px; font-size: var(--size-body-lg); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--motion-base) var(--ease-out),
              transform var(--motion-base) var(--ease-out);
}

.card--interactive { cursor: pointer; }

.card--interactive:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(233,69,96,0.1);
  color: var(--color-highlight-text);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
}

.card__title {
  font-size: var(--size-body-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.card__text {
  font-size: var(--size-caption);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.problem-card {
  padding: var(--space-6);
  border-left: 3px solid var(--color-highlight);
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
}

.problem-card__num {
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-highlight-text);
  display: block;
  margin-bottom: var(--space-3);
}

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

.problem-close {
  margin-top: clamp(32px, 5vw, 40px);
  padding: var(--space-6);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  text-align: center;
}

.problem-close p {
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  max-width: 72ch;
  margin-inline: auto;
  color: rgba(255,255,255,0.92);
}

.deliverable {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.deliverable h3 {
  font-size: var(--size-body);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.deliverable p {
  font-size: var(--size-caption);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: var(--space-3);
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: var(--space-4) var(--space-5) var(--space-4) clamp(48px, 8vw, 64px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--size-caption);
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-highlight-text);
}

.steps li strong { color: var(--color-text-primary); }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.callout {
  margin-top: clamp(24px, 4vw, 32px);
  padding: var(--space-5) var(--space-6);
  background: rgba(233,69,96,0.06);
  border-left: 3px solid var(--color-highlight);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--size-body);
  color: var(--color-text-primary);
}

.callout strong { font-weight: 600; }

.ba-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin: var(--space-5) 0;
}

.ba-grid > * { min-width: 0; }

.ba-card {
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 24px);
  border: 1px solid var(--color-border);
}

.ba-card--before { background: var(--color-surface-alt); }

.ba-card--after {
  background: var(--color-surface);
  border-color: var(--color-highlight);
  box-shadow: var(--shadow-md);
}

.ba-card__label {
  font-family: var(--font-code);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.ba-card--before .ba-card__label { color: var(--color-text-secondary); }

.ba-card--after .ba-card__label { color: var(--color-highlight); }

.ba-card__text {
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: var(--space-3);
}

.ba-card--before .ba-card__text {
  color: var(--color-text-secondary);
  text-decoration: line-through;
  text-decoration-color: rgba(107,114,128,0.4);
}

.ba-card__note {
  font-size: var(--size-caption);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.case-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.case-card__tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-highlight-text);
  margin-bottom: var(--space-3);
}

.case-card__title {
  font-size: clamp(1.05rem, 1rem + 0.35vw, 1.125rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
  line-height: 1.35;
}

.case-card__row {
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
  font-size: var(--size-caption);
  line-height: 1.55;
}

.case-card__row:first-of-type { border-top: none; padding-top: 0; }

.case-card__row strong {
  display: block;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.case-card__row span { color: var(--color-text-secondary); }

.case-card__outcome {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--size-caption);
  font-weight: 500;
  color: var(--color-success-text);
}

.not-for-list {
  display: grid;
  gap: var(--space-3);
  max-width: 820px;
  margin-top: clamp(20px, 3vw, 24px);
}

.not-for-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--size-caption);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.not-for-list li strong { color: var(--color-text-primary); font-weight: 600; }

.not-for-list__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: rgba(239,68,68,0.1);
  color: var(--color-error);
  display: grid;
  place-items: center;
  margin-top: 1px;
}

.contact-hero {
  max-width: var(--content-max);
  text-align: left;
}

.contact-hero .section__title {
  margin-bottom: var(--space-4);
}

.contact-hero .section__lead {
  max-width: 65ch;
  margin-bottom: clamp(32px, 5vw, 40px);
}

.contact-email {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  font-size: clamp(1.25rem, 0.9rem + 1.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-highlight);
  margin-bottom: clamp(32px, 5vw, 40px);
  transition: color var(--motion-base) var(--ease-out),
              border-color var(--motion-base) var(--ease-out);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.contact-email:hover {
  color: var(--color-highlight-text);
  border-color: #fff;
}

.contact-actions {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.linkedin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 12px 24px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: var(--size-body);
  font-weight: 600;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--motion-fast) var(--ease-out),
              border-color var(--motion-fast) var(--ease-out),
              color var(--motion-fast) var(--ease-out);
}

.linkedin-link:hover {
  background: rgba(255,255,255,0.08);
  border-color: #fff;
  color: #fff;
}

.linkedin-link svg { flex-shrink: 0; }

.footer-linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-linkedin svg { flex-shrink: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  letter-spacing: -0.01em;
  color: #fff;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.brand:hover { color: #fff; }

.brand__mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-highlight);
  display: grid;
  place-items: center;
  color: #fff;
  flex-shrink: 0;
}

.brand__mark svg { width: 18px; height: 18px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
}

.site-nav a {
  font-size: var(--size-caption);
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--motion-fast) var(--ease-out),
              border-color var(--motion-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.site-nav a:hover {
  color: #fff;
  border-bottom-color: var(--color-highlight);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-3);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  padding: var(--space-2);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-sm);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.hero {
  background:
    radial-gradient(ellipse at 80% 0%, rgba(233,69,96,0.15) 0%, transparent 55%),
    linear-gradient(160deg, var(--color-primary) 0%, var(--color-secondary) 55%, var(--color-accent) 100%);
  color: var(--color-text-inverse);
  padding-block: clamp(64px, 10vw, 96px) clamp(48px, 8vw, 64px);
  position: relative;
  overflow: hidden;
}

.hero__inner { max-width: 860px; }

.hero__title {
  font-size: clamp(2rem, 1.2rem + 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: clamp(20px, 3vw, 24px);
  color: #fff;
}

.hero__lead {
  font-size: clamp(1rem, 0.9rem + 0.55vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255,255,255,0.78);
  max-width: 58ch;
  margin-bottom: var(--space-5);
}

.hero__audience {
  font-size: clamp(0.95rem, 0.9rem + 0.25vw, 1rem);
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-highlight);
  margin-bottom: clamp(24px, 4vw, 32px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: clamp(32px, 5vw, 48px);
}

.hero__proof {
  padding-top: clamp(24px, 4vw, 32px);
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero__proof-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-4);
}

.hero__proof-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) clamp(20px, 4vw, 40px);
  align-items: center;
}

.hero__proof-logos span {
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.5);
}

.site-footer {
  container: footer / inline-size;
  background: var(--color-primary);
  color: rgba(255,255,255,0.6);
  padding-block: clamp(40px, 6vw, 48px) clamp(24px, 4vw, 32px);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: clamp(24px, 5vw, 32px);
}

.site-footer .brand { color: #fff; }

.site-footer__tagline {
  font-size: var(--size-caption);
  margin-top: var(--space-3);
  max-width: 36ch;
  line-height: 1.6;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  font-size: var(--size-caption);
}

@container footer (max-width: 640px) {
  .site-footer__inner { flex-direction: column; }
  .site-footer .brand { flex-wrap: wrap; }
}

/* The bottom row reads as one line (copyright, separator, email), so it
   flows together instead of being split across the full width. */
.site-footer__bottom > a::before {
  content: "·";
  margin-right: var(--space-3);
  color: rgba(255,255,255,0.4);
}

.site-footer__links a { color: rgba(255,255,255,0.6); }

.site-footer__links a:hover { color: #fff; }

.site-footer__bottom {
  margin-top: clamp(32px, 5vw, 40px);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.72);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
}

.site-footer__bottom a { color: rgba(255,255,255,0.6); }

.site-footer__bottom a:hover { color: #fff; }

@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .ba-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .menu-toggle { display: inline-flex; }
  .site-header__actions .btn { display: none; }
  .site-nav {
      position: fixed;
      top: var(--header-h);
      left: 0;
      right: 0;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      margin-left: 0;
      padding: var(--space-3);
      background: var(--color-primary);
      border-top: 1px solid rgba(255,255,255,0.1);
      box-shadow: var(--shadow-xl);
      transform: translateY(-8px);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      max-height: calc(100vh - var(--header-h));
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
      transition: opacity var(--motion-fast) var(--ease-out),
                  transform var(--motion-fast) var(--ease-out),
                  visibility 0s linear var(--motion-fast);
    }
  .site-nav.is-open {
      opacity: 1;
      transform: translateY(0);
      visibility: visible;
      pointer-events: auto;
      transition-delay: 0s;
    }
  html:not(.js) .site-nav {
      position: static;
      opacity: 1;
      visibility: visible;
      transform: none;
      pointer-events: auto;
      box-shadow: none;
      background: transparent;
      border-top: none;
      padding: 0;
      max-height: none;
      overflow: visible;
    }
  html:not(.js) .menu-toggle { display: none; }
  html:not(.js) .site-nav a {
      padding: var(--space-2) 0;
      border-bottom: none;
      border-left: none;
      font-size: var(--size-caption);
    }
  .site-nav a {
      padding: var(--space-3) var(--space-2);
      border-bottom: 1px solid rgba(255,255,255,0.08);
      border-left: 2px solid transparent;
      font-size: var(--size-body);
    }
  .site-nav a:last-child { border-bottom: none; }
  .site-nav a:hover { border-left-color: var(--color-highlight); }
  .grid--2,
    .grid--3 { grid-template-columns: 1fr; }
  .hero__actions .btn,
    .contact-actions .linkedin-link {
      width: 100%;
    }
  .section__head--center { text-align: left; }
  .section__head--center .section__lead { margin-inline: 0; }
  .contact-hero { text-align: left; }
  .contact-hero .section__lead { margin-inline: 0; }
  .contact-actions { justify-content: flex-start; }
  .site-footer__inner { flex-direction: column; }
}

@media (max-width: 640px) {
  .hero { padding-block: 56px 48px; }
  .section { padding-block: 56px; }
  .steps li {
      padding: var(--space-4) var(--space-4) var(--space-4) 52px;
    }
  .callout { padding: var(--space-4) var(--space-5); }
  .problem-close { padding: var(--space-5); }
  .site-footer__bottom {
      flex-direction: column;
      align-items: flex-start;
    }
}

@media (max-width: 480px) {
  .container { padding-inline: 14px; }
  .hero__proof-logos { gap: var(--space-3) var(--space-5); }
  .btn--lg {
      padding: 14px 20px;
      font-size: var(--size-body);
    }
  .not-for-list li {
      padding: var(--space-3) var(--space-4);
      gap: var(--space-2);
    }
  .contact-email {
      font-size: 1.1rem;
      border-bottom-width: 2px;
    }
}

@media (max-width: 360px) {
  .container { padding-inline: 12px; }
  .hero__title { letter-spacing: -0.02em; }
  .brand__mark { width: 28px; height: 28px; }
  .brand__mark svg { width: 16px; height: 16px; }
  .site-nav a { font-size: var(--size-caption); }
}

@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;
      scroll-behavior: auto !important;
    }
}

@media (forced-colors: active) {
  .btn { border: 1px solid ButtonText; }
  .card, .service-card, .deliverable, .case-card,
    .insight-card, .problem-card, .process-step {
      border: 1px solid CanvasText;
    }
}