/* Shared public UI. Loaded after page styles by base.html. */
:root {
  /* Geometry stays identical on desktop and mobile. */
  --radius-small: .5rem;
  --radius-control: .75rem;
  --radius-card: 1.5rem;
  --radius-panel: 2rem;
  --radius-pill: 999px;
  --border-width: 1px;
  --border-subtle: rgba(211, 159, 255, .18);
  --border-strong: rgba(211, 159, 255, .32);
  --border-interactive: rgba(255, 90, 162, .6);
  --border-primary-hover: #ffb2d1;

  --surface-card: linear-gradient(135deg, rgba(28, 9, 72, .8), rgba(10, 5, 35, .72));
  --surface-inset: rgba(255, 255, 255, .04);
  --surface-field: rgba(7, 3, 27, .72);
  --surface-overlay: linear-gradient(135deg, #1d0949, #08041e);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, .24);
  --shadow-panel: 0 24px 70px rgba(0, 0, 0, .32);
  --shadow-interactive: 0 16px 40px rgba(0, 0, 0, .3);

  /* White text keeps its contrast across the whole primary gradient. */
  --action-primary: linear-gradient(135deg, #d61c62, #a91d5d);
  --action-primary-hover: linear-gradient(135deg, #c41858, #941850);
  --action-primary-active: linear-gradient(135deg, #ae144c, #801443);
  --action-secondary: rgba(255, 255, 255, .04);
  --action-secondary-hover: rgba(255, 255, 255, .09);
  --action-secondary-active: rgba(255, 255, 255, .14);
  --shadow-action: 0 8px 18px rgba(255, 45, 111, .16);
  --control-height: 3.25rem;
  --control-height-compact: 2.75rem;
  --control-padding-inline: 1.5rem;
  --control-gap: .75rem;
  --focus-color: #ffe29a;
  --focus-width: 3px;
  --focus-offset: 4px;
  --motion-ui: .2s ease;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --inset-card: var(--space-5);
  --inset-panel: clamp(var(--space-5), 3vw, var(--space-6));
}

/* Links that navigate and buttons that act use the same geometry. */
.button,
.nav .button {
  display: inline-flex;
  position: relative;
  align-items: center;
  justify-content: center;
  gap: var(--control-gap);
  min-height: var(--control-height);
  max-width: 100%;
  padding: var(--space-3) var(--control-padding-inline);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--action-secondary);
  color: var(--text);
  font: inherit;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-strong);
  line-height: var(--line-height-heading);
  text-align: center;
  text-decoration: none;
  white-space: normal;
  overflow-wrap: anywhere;
  cursor: pointer;
  box-shadow: none;
  transform: none;
  filter: none;
  transition: background var(--motion-ui), border-color var(--motion-ui), box-shadow var(--motion-ui), color var(--motion-ui);
}
.button.primary {
  border-color: transparent;
  background: var(--action-primary);
  color: #fff;
  box-shadow: var(--shadow-action);
}
.button.compact {
  min-height: var(--control-height-compact);
  padding: var(--space-2) var(--space-4);
}
.button.text {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  font-weight: var(--font-weight-body);
}
.button > [aria-hidden="true"],
.button > svg {
  flex-shrink: 0;
}
@media (hover: hover) {
  .button:hover {
    border-color: var(--border-interactive);
    background: var(--action-secondary-hover);
  }
  .button.primary:hover {
    border-color: var(--border-primary-hover);
    background: var(--action-primary-hover);
  }
  .button.text:hover { border-color: transparent; background: var(--action-secondary-hover); color: var(--text); }
}
.button:active {
  background: var(--action-secondary-active);
}
.button.primary:active {
  background: var(--action-primary-active);
}
.button:disabled {
  opacity: .5;
  cursor: not-allowed;
  box-shadow: none;
}
.button:disabled:hover,
.button:disabled:active { background: var(--action-secondary); border-color: var(--border-strong); }
.button.primary:disabled:hover,
.button.primary:disabled:active { background: var(--action-primary); border-color: transparent; }

/* Existing components and opt-in primitives share these three recipes.
   Page styles own layout, illustrations and decorative pseudo-elements. */
:is(.ui-card, .ui-panel, .ui-inset, .service-card, .service-overview-card,
    .info-card, .content-card, .split-panel, .feature, .cta, .final-cta,
    .contact-cta, .service-cta, .audit-cta, .footer-panel, .process-board,
    .process-step-v2, .local-seo-strip, .conversion-panel, .faq-item,
    .lead-magnet, .email-fallback, .expert-intro, .use-case-band,
    .blog-content, .blog-cta, .blog-related-card, .cookie-toggle, .cookie-module-summary,
    .certification-group, .cert-card, .consultant-intro,
    .expert-grid article, .solutions-grid-v3 article, .proof-grid a,
    .blog-card a, .service-editorial .family, .service-editorial .diagnostic) {
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-card);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
}
.ui-card { padding: var(--inset-card); }
:is(.ui-panel, .content-card, .split-panel, .feature, .cta, .final-cta,
    .contact-cta, .service-cta, .audit-cta, .footer-panel, .process-board,
    .local-seo-strip, .conversion-panel, .expert-intro, .use-case-band,
    .blog-content, .blog-cta, .certification-group, .consultant-intro,
    .service-editorial .diagnostic) {
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-panel);
}
.ui-panel { padding: var(--inset-panel); }
:is(.ui-inset, .lead-magnet, .email-fallback, .cookie-toggle, .cookie-module-summary) {
  border-radius: var(--radius-control);
  background: var(--surface-inset);
  box-shadow: none;
}
.ui-inset { padding: var(--space-4); }
.cookie-panel {
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-panel);
  background: var(--surface-overlay);
  box-shadow: var(--shadow-panel);
}

/* Only actionable cards react. Static containers stay still. */
:is(.service-card, .proof-grid a, .blog-card > a, .blog-related-card, .cert-card, .service-overview-card, a.ui-card) {
  transition: border-color var(--motion-ui), box-shadow var(--motion-ui);
}
:is(.service-card, .proof-grid a, .blog-card > a, .blog-related-card, .cert-card, .service-overview-card, a.ui-card):focus-within {
  border-color: var(--border-interactive);
  box-shadow: var(--shadow-interactive);
}
@media (hover: hover) {
  :is(.service-card, .proof-grid a, .blog-card > a, .blog-related-card, .cert-card, .service-overview-card, a.ui-card):hover {
    border-color: var(--border-interactive);
    box-shadow: var(--shadow-interactive);
    transform: none;
  }
}

.contact-form :is(input, select, textarea),
.email-fallback textarea,
.ui-field {
  width: 100%;
  min-height: var(--control-height);
  padding: var(--space-3) var(--space-4);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--surface-field);
  color: var(--text);
  font: inherit;
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color-scheme: dark;
  transition: border-color var(--motion-ui), box-shadow var(--motion-ui);
}
.contact-form textarea,
textarea.ui-field { min-height: 8rem; resize: vertical; }
.contact-form :is(input, select, textarea)::placeholder,
.ui-field::placeholder { color: var(--muted); opacity: 1; }
.contact-form :is(input, select, textarea):focus,
.email-fallback textarea:focus,
.ui-field:focus { border-color: var(--border-interactive); box-shadow: none; }
.ui-field:disabled,
.contact-form :is(input, select, textarea):disabled { opacity: .5; cursor: not-allowed; }
.ui-field[readonly],
.email-fallback textarea[readonly] { background: var(--surface-inset); }

.related-links a,
.ui-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height-compact);
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--surface-inset);
  color: var(--muted);
  line-height: var(--line-height-heading);
  transition: border-color var(--motion-ui), background var(--motion-ui), color var(--motion-ui);
}
.related-links a:hover,
a.ui-chip:hover { border-color: var(--border-interactive); color: var(--text); }
.faq-item summary { min-height: var(--control-height); padding: var(--space-4) var(--space-5); }
.faq-item[open] { border-color: var(--border-strong); }
.nav-toggle,
.cookie-close { min-width: var(--control-height-compact); min-height: var(--control-height-compact); border-radius: var(--radius-control); }
.cookie-toggle i { background: var(--border-strong); transition: background var(--motion-ui); }
.cookie-toggle i::after { transition: transform var(--motion-ui); }
.cookie-toggle input:checked + i { background: var(--action-primary); }

/* Last in the cascade so every component has the same keyboard signal. */
:is(a, button, input, select, textarea, summary, [tabindex]):focus-visible,
.contact-form :is(input, select, textarea):focus-visible,
.email-fallback textarea:focus-visible,
.ui-field:focus-visible,
.service-editorial :is(a, summary):focus-visible,
.cookie-toggle input:focus-visible + i {
  outline: var(--focus-width) solid var(--focus-color);
  outline-offset: var(--focus-offset);
}
.faq-item summary:focus-visible { outline-offset: calc(-1 * var(--focus-offset)); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}