/* ============================================================
   DIGITAL BUSINESS NUGGETS — Components
   All UI components for the newsletter website
   ============================================================ */

@layer components {

  /* ============================================================
     NAVIGATION
     ============================================================ */
  .nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: color-mix(in srgb, var(--color-bg) 85%, transparent);
    backdrop-filter: blur(12px) saturate(1.5);
    -webkit-backdrop-filter: blur(12px) saturate(1.5);
    border-block-end: 1px solid var(--color-border);
    height: var(--nav-height);
    transition: background var(--duration-slow) var(--ease-default),
                border-color var(--duration-slow) var(--ease-default);
  }

  .nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
    height: 100%;
  }

  .nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-heading);
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    white-space: nowrap;
  }

  .nav__logo-icon {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-gold);
  }

  .nav__logo-text span {
    color: var(--color-accent);
  }

  .nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .nav__link {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: color var(--duration-fast) var(--ease-default),
                background var(--duration-fast) var(--ease-default);
    letter-spacing: var(--tracking-wide);
  }

  .nav__link:hover,
  .nav__link:focus-visible {
    color: var(--color-heading);
    background: var(--color-surface-hover);
  }

  .nav__link--active {
    color: var(--color-heading);
    background: var(--color-surface-hover);
  }

  .nav__link--cta {
    background: var(--color-heading);
    color: var(--color-text-inverse) !important;
    font-weight: var(--weight-semibold);
    padding: var(--space-2) var(--space-5);
  }

  .nav__link--cta:hover {
    background: var(--color-link);
    color: white !important;
  }

  /* Mobile nav toggle */
  .nav__toggle {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-heading);
  }

  .nav__toggle:hover {
    background: var(--color-surface-hover);
  }

  @media (max-width: 768px) {
    .nav__toggle { display: flex; }

    .nav__links {
      display: none;
      position: absolute;
      top: var(--nav-height);
      left: 0;
      right: 0;
      flex-direction: column;
      padding: var(--space-4) var(--gutter);
      background: var(--color-bg-elevated);
      border-block-end: 1px solid var(--color-border);
      box-shadow: var(--shadow-lg);
      gap: var(--space-1);
    }

    .nav__links--open {
      display: flex;
    }

    .nav__link {
      width: 100%;
      padding: var(--space-3) var(--space-4);
    }
  }


  /* ============================================================
     HERO SECTION
     ============================================================ */
  .hero {
    padding: var(--space-24) var(--gutter) var(--space-16);
    background: var(--gradient-hero);
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 800px 400px at 20% 80%, color-mix(in srgb, var(--color-accent) 6%, transparent), transparent),
      radial-gradient(ellipse 600px 300px at 80% 20%, color-mix(in srgb, var(--color-accent) 4%, transparent), transparent);
    pointer-events: none;
  }

  .hero__inner {
    max-width: var(--wide-width);
    margin-inline: auto;
    position: relative;
  }

  .hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-accent-text);
    background: var(--color-accent-soft);
    border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-block-end: var(--space-8);
  }

  .hero__badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
  }

  .hero__title {
    font-size: var(--text-5xl);
    font-weight: var(--weight-extrabold);
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-block-end: var(--space-6);
    max-width: 18ch;
    margin-inline: auto;
  }

  .hero__title .gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero__subtitle {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    max-width: 48ch;
    margin-inline: auto;
    margin-block-end: var(--space-10);
  }

  .hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
  }

  .hero__stat {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    justify-content: center;
    margin-block-start: var(--space-12);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
  }

  .hero__stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
  }

  .hero__stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-heading);
  }


  /* ============================================================
     BUTTONS
     ============================================================ */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    line-height: 1;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-default);
    white-space: nowrap;
    letter-spacing: var(--tracking-wide);
  }

  .btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

  .btn--primary {
    background: var(--color-heading);
    color: var(--color-text-inverse);
  }

  .btn--primary:hover {
    background: var(--color-link);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }

  .btn--gold {
    background: var(--gradient-gold);
    color: var(--gold-900);
  }

  .btn--gold:hover {
    box-shadow: var(--shadow-gold);
    transform: translateY(-1px);
  }

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

  .btn--outline:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-heading);
  }

  .btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
  }

  .btn--ghost:hover {
    color: var(--color-heading);
    background: var(--color-surface-hover);
  }

  .btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-xl);
  }

  .btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
  }


  /* ============================================================
     EPISODE CARDS
     ============================================================ */
  .episode-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--duration-normal) var(--ease-default),
                box-shadow var(--duration-normal) var(--ease-default),
                border-color var(--duration-normal) var(--ease-default);
    text-decoration: none;
    color: inherit;
  }

  .episode-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-strong);
    color: inherit;
  }

  .episode-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg-recessed);
  }

  .episode-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-default);
  }

  .episode-card:hover .episode-card__image img {
    transform: scale(1.03);
  }

  .episode-card__number {
    display: inline-flex;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    background: var(--gradient-gold);
    color: var(--gold-900);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    letter-spacing: var(--tracking-wide);
  }

  .episode-card__guest {
    display: inline-flex;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    background: var(--color-bg-recessed);
    color: var(--color-text-secondary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    letter-spacing: var(--tracking-wide);
  }

  .episode-card__body {
    padding: var(--space-5) var(--space-5) var(--space-6);
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .episode-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    margin-block-end: var(--space-3);
    letter-spacing: var(--tracking-wide);
  }

  .episode-card__meta-separator {
    width: 3px;
    height: 3px;
    border-radius: var(--radius-full);
    background: var(--color-text-tertiary);
    opacity: 0.5;
  }

  .episode-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    line-height: var(--leading-snug);
    color: var(--color-heading);
    margin-block-end: var(--space-3);
    transition: color var(--duration-fast) var(--ease-default);
  }

  .episode-card:hover .episode-card__title {
    color: var(--color-accent);
  }

  .episode-card__excerpt {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-text-secondary);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .episode-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-block-start: var(--space-4);
  }

  /* Featured variant (side-by-side, 50/50) */
  .episode-card--featured {
    grid-column: 1 / -1;
  }

  @media (min-width: 640px) {
    .episode-card--featured {
      flex-direction: row;
    }

    .episode-card--featured .episode-card__image {
      flex: 0 0 50%;
      max-width: 50%;
      aspect-ratio: 16 / 9;
    }

    .episode-card--featured .episode-card__body {
      flex: 1;
      padding: var(--space-6) var(--space-8);
      justify-content: center;
    }

    .episode-card--featured .episode-card__title {
      font-size: var(--text-2xl);
    }

    .episode-card--featured .episode-card__excerpt {
      -webkit-line-clamp: 4;
    }
  }


  /* ============================================================
     EPISODE GRID
     ============================================================ */
  .episode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: var(--space-6);
  }

  .episode-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: var(--space-4);
  }


  /* ============================================================
     TAGS / PILLS
     ============================================================ */
  .tag {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    color: var(--color-text-secondary);
    background: var(--color-bg-recessed);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-default);
    white-space: nowrap;
  }

  a.tag:hover {
    color: var(--color-accent-text);
    background: var(--color-accent-soft);
  }

  .tag--active {
    color: var(--color-accent-text);
    background: var(--color-accent-soft);
    border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
  }

  .tag--gold {
    color: var(--gold-800);
    background: var(--gold-50);
  }


  /* ============================================================
     ARTICLE LAYOUT
     ============================================================ */
  .article {
    max-width: var(--content-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
  }

  .article__header {
    padding-block: var(--space-16) var(--space-10);
    text-align: center;
  }

  .article__number {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-accent-text);
    margin-block-end: var(--space-4);
  }

  .article__title {
    font-size: var(--text-4xl);
    max-width: 20ch;
    margin-inline: auto;
    margin-block-end: var(--space-6);
  }

  .article__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
  }

  .article__cover {
    margin-block-end: var(--space-12);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
  }

  .article__content {
    max-width: var(--measure);
    margin-inline: auto;
  }

  .article__content > * + * {
    margin-block-start: var(--space-6);
  }

  .article__content h2 {
    margin-block-start: var(--space-16);
    margin-block-end: var(--space-6);
    padding-block-start: var(--space-8);
    border-block-start: 1px solid var(--color-border);
  }

  .article__content h2:first-child {
    border-block-start: none;
    padding-block-start: 0;
    margin-block-start: 0;
  }

  .article__content h3 {
    margin-block-start: var(--space-10);
    margin-block-end: var(--space-4);
  }


  /* ============================================================
     AUTHOR BIO CARD
     ============================================================ */
  .author-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
  }

  .author-card__avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--color-accent-soft);
    flex-shrink: 0;
  }

  .author-card__info {
    flex: 1;
    min-width: 0;
  }

  .author-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-heading);
    margin-block-end: var(--space-1);
  }

  .author-card__role {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-accent-text);
    font-weight: var(--weight-medium);
    margin-block-end: var(--space-3);
  }

  .author-card__bio {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-text-secondary);
    margin-block-end: var(--space-4);
  }

  .author-card__links {
    display: flex;
    gap: var(--space-3);
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .author-card__links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    background: var(--color-bg-recessed);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-default);
    font-size: var(--text-sm);
  }

  .author-card__links a:hover {
    color: var(--color-heading);
    background: var(--color-surface-hover);
  }

  @media (max-width: 640px) {
    .author-card {
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .author-card__links {
      justify-content: center;
    }
  }


  /* ============================================================
     SUBSCRIBE CTA
     ============================================================ */
  .subscribe-cta {
    padding: var(--space-16) var(--gutter);
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .subscribe-cta--boxed {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-12) var(--space-8);
    max-width: var(--wide-width);
    margin-inline: auto;
  }

  .subscribe-cta--golden {
    background: var(--gradient-hero);
    border-color: color-mix(in srgb, var(--color-accent) 15%, transparent);
  }

  .subscribe-cta__title {
    font-size: var(--text-3xl);
    margin-block-end: var(--space-4);
  }

  .subscribe-cta__text {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 40ch;
    margin-inline: auto;
    margin-block-end: var(--space-8);
  }

  .subscribe-cta__form {
    display: flex;
    gap: var(--space-3);
    max-width: 28rem;
    margin-inline: auto;
  }

  .subscribe-cta__input {
    flex: 1;
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-ui);
    font-size: var(--text-base);
    background: var(--color-bg);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    transition: border-color var(--duration-fast) var(--ease-default),
                box-shadow var(--duration-fast) var(--ease-default);
  }

  .subscribe-cta__input::placeholder {
    color: var(--color-text-tertiary);
  }

  .subscribe-cta__input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
  }

  .subscribe-cta__note {
    margin-block-start: var(--space-4);
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
  }

  @media (max-width: 640px) {
    .subscribe-cta__form {
      flex-direction: column;
    }
  }


  /* ============================================================
     BREADCRUMBS
     ============================================================ */
  .breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-1);
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    letter-spacing: var(--tracking-wide);
  }

  .breadcrumbs a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-default);
  }

  .breadcrumbs a:hover {
    color: var(--color-link);
  }

  .breadcrumbs__separator {
    color: var(--color-text-tertiary);
    opacity: 0.4;
    margin-inline: var(--space-1);
  }


  /* ============================================================
     CALLOUT / HIGHLIGHT BOX
     ============================================================ */
  .callout {
    margin-block: var(--space-8);
    padding: var(--space-6) var(--space-8);
    background: var(--color-accent-soft);
    border: 1px solid color-mix(in srgb, var(--color-accent) 15%, transparent);
    border-radius: var(--radius-lg);
    position: relative;
  }

  .callout__icon {
    position: absolute;
    top: calc(var(--space-6) - 2px);
    left: var(--space-8);
    font-size: var(--text-lg);
  }

  .callout--with-icon {
    padding-left: calc(var(--space-8) + var(--space-8));
  }

  .callout__title {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--color-accent-text);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-block-end: var(--space-2);
  }

  .callout p {
    font-size: var(--text-sm);
    margin-block-end: 0;
    color: var(--color-text);
  }


  /* ============================================================
     SOURCE / CITATION
     ============================================================ */
  .sources {
    margin-block: var(--space-8);
    padding: var(--space-6);
    background: var(--color-bg-recessed);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
  }

  .sources__title {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-block-end: var(--space-3);
  }

  .sources ul {
    margin: 0;
    padding-inline-start: var(--space-4);
  }

  .sources li {
    font-size: var(--text-sm);
    margin-block-end: var(--space-2);
    padding-inline-start: var(--space-1);
  }


  /* ============================================================
     RELATED EPISODES
     ============================================================ */
  .related {
    padding-block: var(--space-16);
    border-block-start: 1px solid var(--color-border);
  }

  .related__title {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-block-end: var(--space-8);
    text-align: center;
  }


  /* ============================================================
     SECTION HEADERS
     ============================================================ */
  .section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    margin-block-end: var(--space-8);
    flex-wrap: wrap;
  }

  .section-header__title {
    font-size: var(--text-2xl);
  }

  .section-header__link {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    white-space: nowrap;
  }


  /* ============================================================
     DARK MODE TOGGLE
     ============================================================ */
  .theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--duration-fast) var(--ease-default);
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }

  .theme-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-heading);
  }

  .theme-toggle__icon {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--duration-slow) var(--ease-spring);
  }

  .theme-toggle__sun,
  .theme-toggle__moon {
    position: absolute;
    transition: opacity var(--duration-normal) var(--ease-default),
                transform var(--duration-slow) var(--ease-spring);
  }

  .theme-toggle__sun {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }

  .theme-toggle__moon {
    opacity: 0;
    transform: scale(0.5) rotate(-90deg);
  }

  [data-theme="dark"] .theme-toggle__sun {
    opacity: 0;
    transform: scale(0.5) rotate(90deg);
  }

  [data-theme="dark"] .theme-toggle__moon {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle__sun {
      opacity: 0;
      transform: scale(0.5) rotate(90deg);
    }

    :root:not([data-theme="light"]) .theme-toggle__moon {
      opacity: 1;
      transform: scale(1) rotate(0deg);
    }
  }


  /* ============================================================
     FOOTER
     ============================================================ */
  .footer {
    border-block-start: 1px solid var(--color-border);
    padding: var(--space-12) var(--gutter);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
  }

  .footer__inner {
    max-width: var(--max-width);
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
  }

  .footer__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-8);
  }

  .footer__brand {
    max-width: 32ch;
  }

  .footer__brand-name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--color-heading);
    margin-block-end: var(--space-3);
  }

  .footer__brand-name span {
    color: var(--color-accent);
  }

  .footer__nav {
    display: flex;
    gap: var(--space-12);
    flex-wrap: wrap;
  }

  .footer__nav-group h6 {
    margin-block-end: var(--space-3);
  }

  .footer__nav-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer__nav-group li {
    margin-block-end: var(--space-2);
    padding: 0;
  }

  .footer__nav-group a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-default);
  }

  .footer__nav-group a:hover {
    color: var(--color-heading);
  }

  .footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding-block-start: var(--space-8);
    border-block-start: 1px solid var(--color-border);
  }

  .footer__social {
    display: flex;
    gap: var(--space-3);
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-default);
  }

  .footer__social a:hover {
    color: var(--color-heading);
    background: var(--color-surface-hover);
  }

  @media (max-width: 640px) {
    .footer__top,
    .footer__bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }
}