/* ==========================================================================
   CD SHARED — collision-free utilities and primitives
   File: /assets/css/shared.css

   Purpose:
   - Shared animations
   - Buttons
   - Cards
   - Section headers
   - Page hero utilities
   - Skip-link compatibility
   - Reveal compatibility for old + new templates

   Depends on:
   - /assets/css/base.css loaded first
   ========================================================================== */


/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes cd-fade-up {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cd-scale-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}


/* ==========================================================================
   Reveal utilities
   Supports:
   - New: .cd-reveal.is-visible
   - Legacy: .reveal-section.visible
   ========================================================================== */

.cd-reveal,
.reveal-section {
  opacity: 0;
  transform: translateY(1.75rem);
  transition:
    opacity 600ms var(--cd-ease, cubic-bezier(0.2, 0, 0, 1)),
    transform 600ms var(--cd-ease, cubic-bezier(0.2, 0, 0, 1));
  will-change: opacity, transform;
}

.cd-reveal.is-visible,
.reveal-section.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ==========================================================================
   Skip links
   Supports:
   - New: .cd-skip-link
   - Legacy: .skip-link
   ========================================================================== */

.cd-skip-link,
.skip-link {
  position: absolute;
  top: 0;
  left: var(--cd-gutter, 24px);
  z-index: 9999;
  transform: translateY(-120%);
  padding: 0.55rem 1rem;
  border-radius: 0 0 var(--cd-radius-md, 8px) var(--cd-radius-md, 8px);
  background: var(--cd-text, #1a1916);
  color: var(--cd-bg, #faf9f7);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: transform var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1));
}

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


/* ==========================================================================
   Buttons
   ========================================================================== */

.cd-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border: 1px solid transparent;
  border-radius: var(--cd-radius-pill, 9999px);
  background: var(--cd-accent, #c67b4e);
  color: var(--cd-white, #ffffff);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition:
    background var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    border-color var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    color var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    transform var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    box-shadow var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1));
}

.cd-button:hover,
.cd-button:focus-visible {
  background: var(--cd-accent-hover, #b06a40);
  color: var(--cd-white, #ffffff);
  transform: translateY(-1px);
}

.cd-button:focus-visible {
  outline: 2px solid var(--cd-accent, #c67b4e);
  outline-offset: 4px;
}

.cd-button--dark {
  background: var(--cd-text, #1a1916);
  color: var(--cd-bg, #faf9f7);
}

.cd-button--dark:hover,
.cd-button--dark:focus-visible {
  background: var(--cd-accent-dark, #8b5e3c);
  color: var(--cd-white, #ffffff);
}

.cd-button--ghost {
  background: transparent;
  border-color: var(--cd-border, #e8e5e0);
  color: var(--cd-text, #1a1916);
}

.cd-button--ghost:hover,
.cd-button--ghost:focus-visible {
  background: var(--cd-bg-muted, #faf7f2);
  border-color: var(--cd-accent, #c67b4e);
  color: var(--cd-text, #1a1916);
}


/* ==========================================================================
   Cards
   ========================================================================== */

.cd-card {
  background: var(--cd-surface, #ffffff);
  border: 1px solid var(--cd-border, #e8e5e0);
  border-radius: var(--cd-radius-lg, 16px);
  box-shadow: var(--cd-shadow-sm, 0 2px 8px rgb(26 25 22 / 0.06));
}


/* ==========================================================================
   Common labels / typography helpers
   ========================================================================== */

.cd-eyebrow {
  color: var(--cd-accent, #c67b4e);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

.cd-section-header {
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--cd-space-lg, 2.5rem);
  text-align: center;
}

.cd-section-title {
  margin-bottom: var(--cd-space-xs, 0.625rem);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.cd-section-subtitle {
  color: var(--cd-text-muted, #6b6560);
  font-size: 1rem;
  font-style: italic;
}


/* ==========================================================================
   Page hero
   Used by:
   - about
   - contact
   - legal
   - hubs if needed
   ========================================================================== */

.cd-page-hero {
  padding: var(--cd-space-2xl, 6rem) 0 var(--cd-space-xl, 4rem);
  margin-bottom: var(--cd-space-xl, 4rem);
  border-bottom: 1px solid var(--cd-border, #e8e5e0);
  text-align: center;
}

.cd-page-hero__title {
  margin-bottom: var(--cd-space-md, 1.5rem);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
}

.cd-page-hero__intro {
  max-width: 580px;
  margin-inline: auto;
  color: var(--cd-text-muted, #6b6560);
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.75;
}


/* ==========================================================================
   Layout helpers
   ========================================================================== */

.cd-stack > * + * {
  margin-top: var(--cd-space-md, 1.5rem);
}

.cd-flow > * + * {
  margin-top: 1rem;
}

.cd-center {
  text-align: center;
}

.cd-muted {
  color: var(--cd-text-muted, #6b6560);
}


/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 640px) {
  .cd-page-hero {
    padding-top: var(--cd-space-xl, 4rem);
    margin-bottom: var(--cd-space-lg, 2.5rem);
  }

  .cd-section-header {
    margin-bottom: var(--cd-space-md, 1.5rem);
  }
}


/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .cd-reveal,
  .reveal-section {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .cd-button {
    transition: none;
  }

  .cd-button:hover,
  .cd-button:focus-visible {
    transform: none;
  }
}

/* ========================================================================== 
Editorial shared components
Used by:
- /blog/
- /guides/
Requires page scopes to define --editorial-* aliases.
========================================================================== */
.cd-blog-page .cd-breadcrumb,
.cd-buying-page .cd-breadcrumb {
  width: min(100%, var(--editorial-container, var(--cd-container, 1280px)));
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--editorial-accent, var(--cd-accent, #c67b4e));
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-transform: uppercase;
}

.cd-blog-page .cd-breadcrumb a,
.cd-buying-page .cd-breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1));
}

.cd-blog-page .cd-breadcrumb a:hover,
.cd-buying-page .cd-breadcrumb a:hover,
.cd-blog-page .cd-breadcrumb a:focus-visible,
.cd-buying-page .cd-breadcrumb a:focus-visible {
  color: var(--editorial-text, var(--cd-text, #241f1b));
}

.cd-blog-page .cd-breadcrumb span[aria-hidden='true'],
.cd-buying-page .cd-breadcrumb span[aria-hidden='true'] {
  color: var(--editorial-border, var(--cd-border, #e8e5e0));
}

.cd-blog-page .cd-breadcrumb span:last-child,
.cd-buying-page .cd-breadcrumb span:last-child {
  color: var(--editorial-text, var(--cd-text, #241f1b));
}

.cd-editorial-page .cd-eyebrow,
.cd-blog-page .cd-eyebrow,
.cd-buying-page .cd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  margin: 0 0 1rem;
  padding: 0.46rem 0.78rem;
  border: 1px solid var(--editorial-border, var(--cd-border, rgba(63, 48, 40, 0.14)));
  border-radius: 999px;
  background: rgba(255, 250, 243, 0.76);
  color: var(--editorial-accent-dark, var(--cd-accent-dark, #3f3028));
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.085em;
  line-height: 1;
  text-transform: uppercase;
}

.cd-blog-page .cd-eyebrow::before,
.cd-buying-page .cd-eyebrow::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--editorial-accent, var(--cd-accent, #a85f45));
}

.cd-editorial-page .cd-section-heading,
.cd-blog-page .cd-section-heading,
.cd-buying-page .cd-section-heading {
  max-width: min(100%, 47.5rem);
  margin: 0 0 clamp(1.25rem, 3vw, 1.8rem);
}

.cd-editorial-page .cd-section-heading h2,
.cd-blog-page .cd-section-heading h2,
.cd-buying-page .cd-section-heading h2 {
  margin: 0;
  color: var(--editorial-text, var(--cd-text, #241f1b));
  font-family: var(--font-heading, var(--cd-font-serif, Georgia, serif));
  font-size: clamp(2.15rem, 5.4vw, 4.35rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.cd-editorial-page .cd-section-heading p:not(.cd-eyebrow),
.cd-blog-page .cd-section-heading p:not(.cd-eyebrow),
.cd-buying-page .cd-section-heading p:not(.cd-eyebrow) {
  margin: 1rem 0 0;
  color: var(--editorial-muted, var(--cd-text-muted, #75685e));
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.7;
}

.cd-editorial-page .cd-card-link,
.cd-blog-page .cd-card-link,
.cd-buying-page .cd-card-link {
  display: inline-flex;
  width: fit-content;
  color: var(--editorial-accent, var(--cd-accent, #a85f45));
  font-weight: 900;
}

@media (max-width: 820px) {
  .cd-blog-page .cd-section-heading h2,
  .cd-buying-page .cd-section-heading h2 {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }
}

@media (max-width: 460px) {
  .cd-blog-page .cd-breadcrumb,
  .cd-buying-page .cd-breadcrumb {
    padding-inline: 0.875rem;
  }
}


/* ========================================================================== 
Editorial layout primitives
Used by:
- /
- /blog/
- /guides/
========================================================================== */
.cd-editorial-page {
  --editorial-container: var(--cd-container);
  --editorial-gutter: var(--cd-gutter);
  --editorial-hero-padding-block: var(--cd-space-xl);
  --editorial-topics-margin-top: var(--cd-space-md);
  --editorial-section-margin-top: clamp(2.5rem, 6vw, 5rem);
}

.cd-editorial-shell,
.cd-editorial-hero,
.cd-editorial-topics,
.cd-editorial-section,
.cd-editorial-cta {
  width: min(100% - (var(--editorial-gutter) * 2), var(--editorial-container));
  margin-inline: auto;
}

.cd-editorial-hero {
  margin-top: 0;
  padding-block: var(--editorial-hero-padding-block);
}

.cd-editorial-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.88fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.cd-editorial-hero__copy { max-width: 720px; }
.cd-editorial-hero__visual { position: relative; min-height: 460px; }

.cd-editorial-photo {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border: 8px solid color-mix(in srgb, var(--cd-surface) 88%, transparent);
  border-radius: var(--cd-radius-xl);
  background: var(--cd-surface);
  box-shadow: var(--cd-shadow-lg);
}

.cd-editorial-photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.cd-editorial-photo--main { inset: 2.5rem 3.5rem 0 0; z-index: 1; }
.cd-editorial-photo--top { top: 0; right: 0; left: auto; z-index: 2; width: 43%; height: auto; aspect-ratio: 1; }
.cd-editorial-photo--bottom { right: auto; bottom: 1.25rem; left: 0; z-index: 3; width: 38%; height: auto; aspect-ratio: 1; }

.cd-editorial-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--editorial-topics-margin-top);
}

.cd-editorial-section { margin-top: var(--editorial-section-margin-top); }

/* Editorial topic pills — shared white surface for Home / Blog / Guides. */
.cd-editorial-page .cd-editorial-topics a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--editorial-border, var(--cd-border));
  border-radius: var(--cd-radius-pill, 999px);
  background: var(--cd-white, #ffffff);
  color: var(--editorial-text, var(--cd-text));
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: var(--editorial-shadow-soft, var(--cd-shadow-sm));
  transition:
    transform var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    border-color var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    color var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    background var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1)),
    box-shadow var(--cd-transition, 220ms cubic-bezier(0.2, 0, 0, 1));
}

.cd-editorial-page .cd-editorial-topics a:hover,
.cd-editorial-page .cd-editorial-topics a:focus-visible {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--editorial-accent, var(--cd-accent)) 48%, var(--editorial-border, var(--cd-border)));
  background: var(--cd-white, #ffffff);
  color: var(--editorial-accent, var(--cd-accent));
  box-shadow: var(--editorial-shadow, var(--cd-shadow-md));
}

@media (max-width: 1040px) {
  .cd-editorial-hero__inner { grid-template-columns: 1fr; }
  .cd-editorial-hero__visual { min-height: 380px; }
}
@media (max-width: 820px) {
  .cd-editorial-hero { padding-top: var(--cd-space-lg, 2.5rem); }
  .cd-editorial-topics { margin-top: var(--cd-space-sm, 1rem); }
}
@media (max-width: 768px) {
  .cd-editorial-hero__visual { min-height: auto; }
  .cd-editorial-photo { position: static; border-width: 6px; }
  .cd-editorial-photo--main { aspect-ratio: 4 / 3; }
  .cd-editorial-photo--top,
  .cd-editorial-photo--bottom { display: none; }
}