@layer reset, tokens, base, layout, components, utilities;

/* ==========================================================================
   EDITORIAL UI COMPONENTS, TOP-LAYER DIALOGS & FORMS
   ========================================================================== */
@layer components {
  /* ========================================================================
     TYPOGRAPHIC PRIMITIVES & EYEBROWS
     ======================================================================== */
  .eyebrow,
  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-editorial);

    &::before {
      content: "";
      display: inline-block;
      inline-size: 1.75rem;
      block-size: 1px;
      background-color: var(--accent-rule);
      flex-shrink: 0;
    }
  }

  .section-title {
    font-size: var(--text-2xl);
    letter-spacing: -0.01em;
    color: var(--ink-primary);
  }

  .section-subtitle {
    font-size: var(--text-lead);
    color: var(--ink-secondary);
    max-inline-size: 58ch;
    line-height: var(--leading-body);
  }

  /* ========================================================================
     BUTTONS (Content-sized with min-block-size for WCAG 1.4.12 Text Spacing)
     ======================================================================== */
  .btn {
    display: inline-flex;
    align-items: safe center;
    justify-content: center;
    gap: 0.5rem;
    min-block-size: 2.875rem;
    padding-block: 0.75rem;
    padding-inline: 1.5rem;
    border-radius: var(--radius-xs);
    border: 1px solid transparent;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: 0.03em;
    text-decoration: none;
    cursor: pointer;
    transition:
      background-color var(--duration-fast) ease,
      color var(--duration-fast) ease,
      border-color var(--duration-fast) ease,
      box-shadow var(--duration-fast) ease;

    @media (pointer: coarse) {
      min-block-size: 3rem;
    }

    &:disabled {
      opacity: 0.55;
      cursor: not-allowed;
    }
  }

  .btn-primary {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--ink-on-dark);

    &:hover:not(:disabled) {
      background-color: var(--accent-primary-hover);
      border-color: var(--accent-primary-hover);
    }
  }

  .btn-outline {
    background-color: transparent;
    border-color: var(--border-control);
    color: var(--ink-primary);

    &:hover:not(:disabled) {
      background-color: var(--surface-muted);
      border-color: var(--ink-primary);
    }
  }

  /* ========================================================================
     BRAND, NAV LINKS & MOBILE NAVIGATION DRAWER (<dialog>)
     ======================================================================== */
  .nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-display);
    font-size: clamp(1.45rem, 1.3rem + 0.5vw, 1.75rem);
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.1;
    text-decoration: none;
    color: var(--ink-primary);

    & img {
      max-block-size: 2.35rem;
      inline-size: auto;
    }
  }

  /* Optional Canva double-ruled cartouche stamp (SMITH STREET / DESIGN) */
  .brand-cartouche {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-block: 0.35rem;
    padding-inline: 0.85rem;
    background-color: var(--surface-putty);
    color: var(--color-paper);
    border: 1px solid var(--surface-elevated);
    outline: 1px solid var(--color-taupe-rule);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    line-height: 1.25;
    text-transform: uppercase;
    text-align: center;
  }

  .nav-links a:not(.btn) {
    position: relative;
    padding-block: 0.375rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--ink-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) ease;

    &::after {
      content: "";
      position: absolute;
      inset-inline: 0;
      inset-block-end: 0;
      block-size: 1px;
      background-color: var(--accent-editorial);
      opacity: 0;
      transition: opacity var(--duration-fast) ease;
    }

    &:hover,
    &:focus-visible {
      color: var(--ink-primary);

      &::after {
        opacity: 1;
      }
    }
  }

  .nav-cta {
    min-block-size: 2.5rem;
    padding-block: 0.5rem;
    padding-inline: 1.2rem;
  }

  .mobile-menu-btn,
  .mobile-nav-close {
    appearance: none;
    align-items: center;
    justify-content: center;
    min-inline-size: 2.75rem;
    min-block-size: 2.75rem;
    padding: 0.5rem;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border-control);
    background-color: transparent;
    color: var(--ink-primary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease;

    @media (pointer: coarse) {
      min-inline-size: 3rem;
      min-block-size: 3rem;
    }

    &:hover:not(:disabled) {
      background-color: var(--surface-subtle);
      border-color: var(--ink-primary);
    }
  }

  /* Top-layer Mobile Drawer Dialog (@starting-style + separate allow-discrete) */
  dialog.mobile-nav-dialog {
    inset-block: 0;
    inset-inline: auto 0;
    margin-block: 0;
    margin-inline: auto 0;
    inline-size: min(22rem, 86dvw);
    block-size: 100dvh;
    max-inline-size: none;
    max-block-size: none;
    padding: clamp(1.5rem, 5vw, 2.25rem);
    border: 0;
    border-inline-start: 1px solid var(--border-hairline);
    background-color: var(--surface-canvas);
    color: var(--ink-primary);
    box-shadow: var(--shadow-dialog);
    overflow-y: auto;
    opacity: 0;

    transition-property: opacity, transform, display, overlay;
    transition-duration: 0.28s;
    transition-timing-function: var(--ease-editorial);
    transition-behavior: allow-discrete;

    @media (prefers-reduced-motion: no-preference) {
      transform: translateX(100%);
    }

    @media (prefers-reduced-motion: reduce) {
      transition-duration: 0.1s;
    }

    &::backdrop {
      background-color: rgb(22 20 18 / 0);
      backdrop-filter: blur(2px);
      transition-property: background-color, display, overlay;
      transition-duration: 0.28s;
      transition-timing-function: ease-out;
      transition-behavior: allow-discrete;
    }
  }

  dialog.mobile-nav-dialog[open]:where(:not([data-closing])) {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    opacity: 1;

    @starting-style {
      opacity: 0;
    }

    @media (prefers-reduced-motion: no-preference) {
      transform: translateX(0);

      @starting-style {
        transform: translateX(100%);
      }
    }

    &::backdrop {
      background-color: rgb(22 20 18 / 0.52);

      @starting-style {
        background-color: rgb(22 20 18 / 0);
      }
    }
  }

  .mobile-nav-close {
    display: inline-flex;
    align-self: flex-end;
  }

  .mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;

    & a:not(.btn) {
      display: flex;
      align-items: center;
      min-block-size: 3rem;
      padding-block: 0.65rem;
      border-block-end: 1px solid var(--border-hairline);
      font-family: var(--font-display);
      font-size: 1.5rem;
      font-weight: 500;
      text-decoration: none;
      color: var(--ink-primary);
      transition: color var(--duration-fast) ease, padding-inline-start var(--duration-fast) ease;

      &:hover,
      &:focus-visible {
        color: var(--accent-primary);
      }
    }

    & .nav-cta {
      margin-block-start: 1.25rem;
      inline-size: 100%;
      min-block-size: 3rem;
    }
  }

  /* ========================================================================
     HERO COMPONENTS
     ======================================================================== */
  .hero-title {
    font-size: var(--text-hero);
    line-height: var(--leading-tight);
    letter-spacing: -0.018em;
    max-inline-size: 16ch;
  }

  .hero-lead {
    font-size: var(--text-lead);
    color: var(--ink-secondary);
    max-inline-size: 55ch;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: safe center;
    gap: 0.875rem;
    padding-block-start: 0.25rem;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
    gap: 1.25rem 1.75rem;
    inline-size: 100%;
    margin-block-start: 0.75rem;
    padding-block-start: 1.65rem;
    border-block-start: 1px solid var(--border-hairline);
  }

  .hero-stat {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;

    & strong {
      font-family: var(--font-display);
      font-size: clamp(1.5rem, 1.35rem + 0.5vw, 1.85rem);
      font-weight: 600;
      line-height: 1.1;
      color: var(--ink-primary);
    }

    & span {
      font-size: var(--text-xs);
      line-height: 1.45;
      color: var(--ink-muted);
    }
  }

  .hero-frame {
    background-color: var(--surface-elevated);
    padding: clamp(0.625rem, 1.4vw, 1rem);
    border: 1px solid var(--border-hairline);
    box-shadow: var(--shadow-md);
  }

  .hero-img {
    inline-size: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    background-color: var(--surface-muted);
  }

  .hero-caption {
    padding-block-start: 0.85rem;
    padding-inline: 0.25rem;
    font-size: var(--text-xs);
    line-height: 1.5;
    color: var(--ink-muted);
  }

  /* ========================================================================
     PORTFOLIO FILTERS, CARDS & GROUP VIEW TRANSITIONS
     ======================================================================== */
  .filter-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: 2.5rem;
    padding-block: 0.5rem;
    padding-inline: 1.2rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-control);
    background-color: transparent;
    color: var(--ink-secondary);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition:
      background-color var(--duration-fast) ease,
      color var(--duration-fast) ease,
      border-color var(--duration-fast) ease;

    @media (pointer: coarse) {
      min-block-size: 2.75rem;
    }

    &:hover:not(:disabled):not([aria-pressed="true"]) {
      background-color: var(--surface-subtle);
      color: var(--ink-primary);
      border-color: var(--ink-primary);
    }

    &[aria-pressed="true"] {
      background-color: var(--accent-primary);
      border-color: var(--accent-primary);
      color: var(--ink-on-dark);
      font-weight: 600;
    }
  }

  .portfolio-card {
    view-transition-class: portfolio-card;
    display: flex;
    flex-direction: column;
  }

  .portfolio-empty {
    grid-column: 1 / -1;
    padding-block: 2.5rem;
    color: var(--ink-muted);
    font-style: italic;
  }

  ::view-transition-group(.portfolio-card) {
    animation-duration: 0.36s;
    animation-timing-function: var(--ease-editorial);
  }

  ::view-transition-new(.portfolio-card):only-child {
    animation: portfolio-card-enter 0.32s var(--ease-editorial) both;
  }

  ::view-transition-old(.portfolio-card):only-child {
    animation: portfolio-card-exit 0.22s ease-in both;
  }

  @keyframes portfolio-card-enter {
    from {
      opacity: 0;
      scale: 0.96;
    }
  }

  @keyframes portfolio-card-exit {
    to {
      opacity: 0;
      scale: 0.96;
    }
  }

  .portfolio-card-trigger {
    appearance: none;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    inline-size: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: start;
    cursor: pointer;
  }

  .portfolio-card-media {
    position: relative;
    inline-size: 100%;
    aspect-ratio: 4 / 5;
    overflow: clip;
    background-color: var(--surface-subtle);
    border: 1px solid var(--border-hairline);
    transition: border-color var(--duration-base) ease, box-shadow var(--duration-base) ease;
  }

  .portfolio-card[data-aspect="portrait"] .portfolio-card-media {
    aspect-ratio: 4 / 5;
  }

  .portfolio-card[data-aspect="square"] .portfolio-card-media {
    aspect-ratio: 1 / 1;
  }

  .portfolio-card[data-aspect="landscape"] .portfolio-card-media {
    aspect-ratio: 4 / 3;
  }

  .portfolio-card-img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;

    @media (prefers-reduced-motion: no-preference) {
      transition: transform var(--duration-slow) var(--ease-editorial);
    }
  }

  .portfolio-card-trigger:is(:hover, :focus-visible) {
    & .portfolio-card-media {
      border-color: var(--border-control);
      box-shadow: var(--shadow-md);
    }

    & .portfolio-card-img {
      @media (prefers-reduced-motion: no-preference) {
        transform: scale(1.035);
      }
    }

    & .portfolio-card-title {
      color: var(--accent-primary);
    }
  }

  .portfolio-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-inline: 0.125rem;
  }

  .portfolio-card-tag {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-editorial);
  }

  .portfolio-card-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 500;
    line-height: 1.25;
    color: var(--ink-primary);
    transition: color var(--duration-fast) ease;
  }

  /* ========================================================================
     LIGHTBOX MODAL <dialog> (Top-layer @starting-style + two-column desktop)
     ======================================================================== */
  dialog.lightbox-dialog {
    margin: auto;
    padding: 0;
    inline-size: min(94dvw, 72rem);
    max-block-size: min(92dvh, 54rem);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-sm);
    background-color: var(--surface-elevated);
    color: var(--ink-primary);
    box-shadow: var(--shadow-dialog);
    overflow-y: auto;
    opacity: 0;

    transition-property: opacity, transform, display, overlay;
    transition-duration: 0.28s;
    transition-timing-function: var(--ease-editorial);
    transition-behavior: allow-discrete;

    @media (prefers-reduced-motion: no-preference) {
      transform: scale(0.96) translateY(0.5rem);
    }

    @media (prefers-reduced-motion: reduce) {
      transition-duration: 0.1s;
    }

    &::backdrop {
      background-color: rgb(22 20 18 / 0);
      backdrop-filter: blur(4px);
      transition-property: background-color, display, overlay;
      transition-duration: 0.28s;
      transition-timing-function: ease-out;
      transition-behavior: allow-discrete;
    }
  }

  dialog.lightbox-dialog[open]:where(:not([data-closing])) {
    opacity: 1;

    @starting-style {
      opacity: 0;
    }

    @media (prefers-reduced-motion: no-preference) {
      transform: scale(1) translateY(0);

      @starting-style {
        transform: scale(0.96) translateY(0.5rem);
      }
    }

    &::backdrop {
      background-color: rgb(22 20 18 / 0.78);

      @starting-style {
        background-color: rgb(22 20 18 / 0);
      }
    }
  }

  .lightbox-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);

    @media (min-width: 54rem) {
      grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.85fr);
      min-block-size: min(78dvh, 44rem);
    }
  }

  .lightbox-close {
    position: absolute;
    inset-block-start: 0.875rem;
    inset-inline-end: 0.875rem;
    z-index: 5;
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 2.75rem;
    min-block-size: 2.75rem;
    padding: 0;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-control);
    background-color: color-mix(in oklab, var(--surface-elevated) 94%, transparent);
    color: var(--ink-primary);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease;

    &:hover:not(:disabled) {
      background-color: var(--surface-muted);
      border-color: var(--ink-primary);
    }
  }

  .lightbox-media {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.875rem, 2vw, 1.75rem);
    background-color: var(--surface-subtle);
  }

  .lightbox-img {
    inline-size: auto;
    max-inline-size: 100%;
    max-height: 80dvh;
    object-fit: contain;
    box-shadow: var(--shadow-sm);

    @media (max-width: 53.9375rem) {
      max-height: 54dvh;
    }
  }

  .lightbox-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: clamp(1.35rem, 3vw, 2.5rem);
    border-block-start: 1px solid var(--border-hairline);

    @media (min-width: 54rem) {
      padding-block-start: 3.5rem;
      border-block-start: 0;
      border-inline-start: 1px solid var(--border-hairline);
    }
  }

  .lightbox-tag {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-editorial);
  }

  .lightbox-title {
    font-size: var(--text-xl);
    line-height: 1.2;
  }

  .lightbox-date {
    font-size: var(--text-xs);
    letter-spacing: 0.04em;
    color: var(--ink-muted);
  }

  .lightbox-caption {
    font-size: var(--text-sm);
    line-height: 1.65;
    color: var(--ink-secondary);
    white-space: pre-line;
    overflow-y: auto;
    max-block-size: 15rem;
    overscroll-behavior: contain;
    padding-inline-end: 0.25rem;
  }

  .lightbox-footer {
    margin-block-start: auto;
    padding-block-start: 1.25rem;
    border-block-start: 1px solid var(--border-hairline);
    display: flex;
    flex-wrap: wrap;
    align-items: safe center;
    justify-content: space-between;
    gap: 0.875rem;
  }

  .lightbox-controls {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
  }

  .lightbox-nav-btn {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 2.625rem;
    min-block-size: 2.625rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-control);
    background-color: transparent;
    color: var(--ink-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease;

    @media (pointer: coarse) {
      min-inline-size: 2.875rem;
      min-block-size: 2.875rem;
    }

    &:hover:not(:disabled) {
      background-color: var(--surface-subtle);
      border-color: var(--ink-primary);
    }

    &:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }
  }

  .lightbox-counter {
    min-inline-size: 3.25rem;
    text-align: center;
    font-size: var(--text-xs);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--ink-muted);
  }

  /* ========================================================================
     SERVICES CARDS
     ======================================================================== */
  .service-card {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: clamp(1.5rem, 2.5vw, 2.15rem);
    background-color: var(--surface-canvas);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-xs);
    transition: border-color var(--duration-base) ease, box-shadow var(--duration-base) ease;

    &:hover {
      border-color: var(--border-subtle);
      box-shadow: var(--shadow-sm);
    }
  }

  .service-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-style: italic;
    font-weight: 500;
    line-height: 1;
    color: var(--accent-editorial);
  }

  .service-title {
    font-size: var(--text-xl);
    line-height: 1.2;
  }

  .service-desc {
    font-size: var(--text-sm);
    color: var(--ink-secondary);
    line-height: 1.65;
  }

  .service-highlights {
    margin-block-start: auto;
    margin-block-end: 0;
    padding-block-start: 1.1rem;
    padding-inline-start: 0;
    border-block-start: 1px solid var(--border-hairline);
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    font-size: var(--text-sm);
    color: var(--ink-secondary);

    & li {
      position: relative;
      padding-inline-start: 1.15rem;
      line-height: 1.5;

      /* Pure visual brass dash without text characters so screen readers don't announce punctuation */
      &::before {
        content: "";
        position: absolute;
        inset-inline-start: 0;
        inset-block-start: 0.7em;
        inline-size: 0.6rem;
        block-size: 1px;
        background-color: var(--accent-editorial);
      }
    }
  }

  /* ========================================================================
     DESIGN PROCESS 8-PHASE CARDS & CANVA GUIDE BANNER
     ======================================================================== */
  .process-card {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: clamp(1.35rem, 2.2vw, 1.85rem);
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-hairline);
    border-block-start: 3px solid var(--surface-putty);
    border-radius: var(--radius-xs);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--duration-base) ease, box-shadow var(--duration-base) ease;

    &:hover {
      border-color: var(--border-subtle);
      border-block-start-color: var(--accent-primary);
      box-shadow: var(--shadow-md);
    }
  }

  .process-card-head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
    padding-block-end: 0.85rem;
    border-block-end: 1px solid var(--border-hairline);
  }

  .process-step-num {
    display: inline-flex;
    align-items: center;
    padding-block: 0.18rem;
    padding-inline: 0.55rem;
    border-radius: var(--radius-xs);
    background-color: color-mix(in oklab, var(--surface-putty) 60%, var(--surface-elevated));
    border: 1px solid var(--border-subtle);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-primary);
  }

  .process-step-title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 1.15rem + 0.4vw, 1.45rem);
    font-weight: 500;
    line-height: 1.22;
    color: var(--ink-primary);
  }

  .process-deliverables {
    margin: 0;
    padding-inline-start: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    font-size: var(--text-sm);
    color: var(--ink-secondary);

    & li {
      position: relative;
      padding-inline-start: 1.05rem;
      line-height: 1.5;

      &::before {
        content: "";
        position: absolute;
        inset-inline-start: 0;
        inset-block-start: 0.68em;
        inline-size: 0.55rem;
        block-size: 1px;
        background-color: var(--accent-editorial);
      }
    }
  }

  .process-guide-banner {
    padding: clamp(1.5rem, 3vw, 2.35rem);
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    outline: 1px solid var(--border-hairline);
    outline-offset: -6px;
    border-radius: var(--radius-xs);
    box-shadow: var(--shadow-sm);

    & > :not(img, figure, a:has(img)) {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 0.85rem;
    }

    & p {
      font-size: var(--text-sm);
      line-height: 1.65;
      color: var(--ink-secondary);
      max-inline-size: 60ch;
    }
  }

  .process-guide-preview {
    inline-size: 100%;
    max-inline-size: 32rem;
    aspect-ratio: 1056 / 816;
    object-fit: contain;
    margin-inline: auto;
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
  }

  /* ========================================================================
     ABOUT STUDIO SECTION
     ======================================================================== */
  .about-media {
    max-inline-size: 34rem;
    margin-inline: auto;
    inline-size: 100%;
    padding: clamp(0.625rem, 1.4vw, 1rem);
    background-color: var(--surface-subtle);
    border: 1px solid var(--border-hairline);
    box-shadow: var(--shadow-md);
  }

  .about-img {
    inline-size: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    background-color: var(--surface-muted);
  }

  .about-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;

    & > p:not(.section-eyebrow) {
      color: var(--ink-secondary);
      max-inline-size: 62ch;
    }
  }

  .about-quote {
    margin-block: 0.5rem;
    padding-block: 0.35rem;
    padding-inline-start: 1.35rem;
    border-inline-start: 2px solid var(--accent-editorial);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-style: italic;
    line-height: var(--leading-snug);
    color: var(--ink-primary);
    max-inline-size: 52ch;
  }

  .credentials-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr));
    gap: 1.25rem 1.5rem;
    inline-size: 100%;
    margin-block-start: 0.5rem;
    padding-block-start: 1.5rem;
    border-block-start: 1px solid var(--border-hairline);
  }

  .credential-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;

    & strong {
      font-family: var(--font-display);
      font-size: 1.35rem;
      font-weight: 600;
      line-height: 1.15;
      color: var(--ink-primary);
    }

    & span {
      font-size: var(--text-xs);
      color: var(--ink-muted);
    }
  }

  /* ========================================================================
     CURATED SOURCES (SHOPMY) CARDS
     ======================================================================== */
  .source-card {
    container: source-card / inline-size;
    display: flex;
    flex-direction: column;
    background-color: var(--surface-canvas);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-xs);
    overflow: clip;
    text-decoration: none;
    color: inherit;
    transition:
      border-color var(--duration-base) ease,
      box-shadow var(--duration-base) ease,
      transform var(--duration-base) var(--ease-editorial);

    &:hover,
    &:focus-visible {
      border-color: var(--border-control);
      box-shadow: var(--shadow-md);

      @media (prefers-reduced-motion: no-preference) {
        transform: translateY(-2px);
      }

      & .source-card-img {
        @media (prefers-reduced-motion: no-preference) {
          transform: scale(1.035);
        }
      }

      & .source-card-cta {
        color: var(--accent-primary-hover);
      }
    }
  }

  .source-card-media {
    aspect-ratio: 4 / 3;
    overflow: clip;
    background-color: var(--surface-muted);
    border-block-end: 1px solid var(--border-hairline);
  }

  .source-card-img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;

    @media (prefers-reduced-motion: no-preference) {
      transition: transform var(--duration-slow) var(--ease-editorial);
    }
  }

  .source-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.5rem;
    padding: clamp(1.25rem, 4cqi, 1.65rem);
  }

  .source-card-title {
    font-size: var(--text-lg);
    line-height: 1.25;
  }

  .source-card-subtitle {
    font-size: var(--text-sm);
    color: var(--ink-secondary);
    line-height: 1.55;
  }

  .source-card-cta {
    margin-block-start: auto;
    padding-block-start: 0.75rem;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-primary);
    transition: color var(--duration-fast) ease;
  }

  /* ========================================================================
     PROJECT INQUIRY INFO & ACCESSIBLE FORM (:user-invalid post-interaction)
     ======================================================================== */
  .inquire-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .inquire-contact-list {
    margin-block-start: 1rem;
    margin-block-end: 0;
    padding-block-start: 1.5rem;
    padding-inline-start: 0;
    inline-size: 100%;
    border-block-start: 1px solid var(--border-hairline);
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    font-size: var(--text-sm);
    color: var(--ink-secondary);

    & strong {
      color: var(--ink-primary);
      font-weight: 600;
      margin-inline-end: 0.25rem;
    }

    & a {
      color: var(--accent-primary);
      font-weight: 500;

      &:hover {
        color: var(--accent-primary-hover);
      }
    }
  }

  /* Kick-Off Prep Onboarding Questionnaire (<details> disclosure per accordion guide) */
  .questionnaire-disclosure {
    inline-size: 100%;
    margin-block-start: 0.75rem;
    border: 1px solid var(--border-control);
    border-radius: var(--radius-xs);
    background-color: var(--surface-elevated);
    box-shadow: var(--shadow-sm);

    &::details-content {
      interpolate-size: allow-keywords;
      overflow: clip;
      contain: layout;
    }

    &:not([open])::details-content {
      block-size: 0;
    }

    @media (prefers-reduced-motion: no-preference) {
      &::details-content {
        transition-property: block-size, content-visibility, display;
        transition-duration: 0.28s;
        transition-timing-function: var(--ease-editorial);
        transition-behavior: allow-discrete;
      }
    }
  }

  .questionnaire-summary {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-block-size: 3.125rem;
    padding-block: 0.875rem;
    padding-inline: 1.15rem;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--ink-primary);
    cursor: pointer;
    transition: background-color var(--duration-fast) ease;

    &::-webkit-details-marker {
      display: none;
    }

    &:hover {
      background-color: var(--surface-subtle);
    }

    /* Marker placed directly before label text for vertical scanning & low-vision association */
    &::before {
      content: "";
      inline-size: 1em;
      block-size: 1em;
      flex-shrink: 0;
      background-color: currentColor;
      -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat center / contain;
      mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.25' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat center / contain;
      rotate: -90deg;
    }

    &:dir(rtl)::before {
      rotate: 90deg;
    }

    .questionnaire-disclosure[open] > &::before {
      rotate: 0deg;
    }

    @media (prefers-reduced-motion: no-preference) {
      &::before {
        transition: rotate 0.2s var(--ease-editorial);
      }
    }
  }

  .questionnaire-body {
    padding: 1rem 1.25rem 1.25rem;
    border-block-start: 1px solid var(--border-hairline);
    background-color: var(--surface-canvas);
  }

  .questionnaire-intro {
    margin-block-end: 0.85rem;
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--ink-secondary);
  }

  .questionnaire-list {
    margin: 0;
    padding-inline-start: 1.45rem;
    list-style-type: decimal;
    font-size: var(--text-sm);
    line-height: 1.55;
    color: var(--ink-secondary);

    & li + li {
      margin-block-start: 0.6rem;
    }

    & li::marker {
      color: var(--accent-editorial);
      font-weight: 600;
      font-variant-numeric: tabular-nums;
    }
  }

  .questionnaire-item {
    padding-inline-start: 0.2rem;
  }

  .inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 1.35rem;
    padding: clamp(1.5rem, 3.5vw, 2.65rem);
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
  }

  /* Gestalt proximity: smaller gap inside .form-field (0.4rem) than between fields (1.35rem) */
  .form-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;

    & label {
      font-size: var(--text-sm);
      font-weight: 500;
      color: var(--ink-primary);

      & span[aria-hidden="true"] {
        color: var(--accent-editorial);
      }
    }

    & :is(input, select, textarea) {
      inline-size: 100%;
      min-block-size: 3rem;
      padding-block: 0.75rem;
      padding-inline: 0.95rem;
      border: 1px solid var(--border-control);
      border-radius: var(--radius-xs);
      background-color: var(--surface-canvas);
      color: var(--ink-primary);
      font: inherit;
      font-size: max(1rem, 1em); /* >= 16px prevents iOS Safari auto-zoom */
      line-height: 1.45;
      transition: border-color var(--duration-fast) ease, background-color var(--duration-fast) ease;

      @media (pointer: coarse) {
        min-block-size: 3.25rem;
      }

      &::placeholder {
        color: var(--ink-muted);
        opacity: 0.72;
      }

      &:hover:not(:disabled) {
        border-color: var(--ink-primary);
      }

      /* Post-interaction validation only — avoids premature errors while typing */
      &:is(:user-invalid, .user-invalid-fallback, [aria-invalid="true"]) {
        border-color: var(--color-terracotta);
        background-color: var(--color-terracotta-tint);
      }

      &:is(:user-valid, .user-valid-fallback):not([aria-invalid="true"], .auth-gate-form input) {
        border-color: var(--color-moss);
      }
    }

    & select {
      appearance: none;
      padding-inline-end: 2.5rem;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231E1C1A' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 0.9rem center;
      cursor: pointer;
    }

    & textarea {
      min-block-size: 8rem;
      resize: vertical;
      field-sizing: content;
    }
  }

  /* Support inline error messages added dynamically by scripts */
  .form-field :is(.error-msg, .field-error, .form-error, [data-error-message]) {
    font-size: var(--text-xs);
    font-weight: 500;
    line-height: 1.45;
    color: var(--color-terracotta);
  }

  .btn-submit {
    align-self: flex-start;
    min-inline-size: min(100%, 15rem);
  }

  .form-feedback {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.35rem 1.5rem;
    border-radius: var(--radius-xs);
    border: 1px solid var(--accent-primary);
    border-inline-start-width: 4px;
    background-color: var(--surface-subtle);
    color: var(--ink-primary);
    font-size: var(--text-sm);
    line-height: 1.6;

    & :is(h3, h4, strong) {
      color: var(--ink-primary);
    }

    & .btn[data-copied] {
      background-color: var(--color-moss);
      border-color: var(--color-moss);
      color: var(--ink-on-dark);
    }

    & .btn[data-failed] {
      background-color: var(--color-terracotta);
      border-color: var(--color-terracotta);
      color: var(--ink-on-dark);
    }
  }

  /* ========================================================================
     PRIVATE STUDIO PASSWORD GATE PLAQUE & CONTROLS
     ======================================================================== */
  .auth-gate-card {
    inline-size: min(100%, 28.5rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.95rem;
    padding-block: clamp(2rem, 5vw, 2.85rem);
    padding-inline: clamp(1.5rem, 5vw, 2.75rem);
    background-color: var(--surface-elevated);
    border: 2px solid var(--surface-putty);
    outline: 1px solid var(--surface-putty);
    outline-offset: -8px;
    border-radius: var(--radius-xs);
    box-shadow: var(--shadow-md);

    @media (prefers-contrast: more) {
      border-color: var(--border-control);
      outline-color: var(--border-subtle);
    }

    @media (forced-colors: active) {
      border-color: CanvasText;
      outline-color: CanvasText;
    }

    & .eyebrow {
      justify-content: center;
      margin-block-start: 0.15rem;

      &::before,
      &::after {
        content: "";
        display: inline-block;
        inline-size: 1.25rem;
        block-size: 1px;
        background-color: var(--accent-rule);
        flex-shrink: 0;
      }
    }
  }

  .auth-gate-logo {
    display: block;
    inline-size: auto;
    max-inline-size: min(100%, 12.8125rem);
    block-size: auto;
    margin-inline: auto;
    margin-block-end: 0.2rem;
  }

  .auth-gate-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 1.45rem + 1.1vw, 2.2rem);
    font-weight: 500;
    line-height: 1.16;
    letter-spacing: -0.01em;
    color: var(--ink-primary);
  }

  .auth-gate-subtitle {
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--ink-secondary);
    max-inline-size: 38ch;
  }

  .auth-gate-form {
    inline-size: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-block-start: 0.5rem;
    text-align: start;

    & .field-error {
      padding-block: 0.55rem;
      padding-inline: 0.75rem;
      border-inline-start: 3px solid var(--color-terracotta);
      border-radius: var(--radius-xs);
      background-color: var(--color-terracotta-tint);
      color: var(--color-terracotta);
      font-size: var(--text-xs);
      font-weight: 500;
      line-height: 1.45;
    }
  }

  .password-input-wrap {
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
    inline-size: 100%;

    & input {
      flex: 1 1 0%;
      min-inline-size: 0;

      &::-ms-reveal,
      &::-ms-clear {
        display: none;
      }
    }
  }

  .password-toggle-btn {
    appearance: none;
    display: inline-flex;
    align-items: safe center;
    justify-content: center;
    flex-shrink: 0;
    min-inline-size: 4.5rem;
    min-block-size: 3rem;
    padding-block: 0.65rem;
    padding-inline: 0.9rem;
    border: 1px solid var(--border-control);
    border-radius: var(--radius-xs);
    background-color: var(--surface-subtle);
    color: var(--ink-primary);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1;
    cursor: pointer;
    transition:
      background-color var(--duration-fast) ease,
      color var(--duration-fast) ease,
      border-color var(--duration-fast) ease;

    @media (pointer: coarse) {
      min-block-size: 3.25rem;
    }

    &:hover:not(:disabled) {
      background-color: var(--surface-muted);
      border-color: var(--ink-primary);
    }

    &[aria-pressed="true"] {
      background-color: var(--accent-primary);
      border-color: var(--accent-primary);
      color: var(--ink-on-dark);

      &:hover:not(:disabled) {
        background-color: var(--accent-primary-hover);
        border-color: var(--accent-primary-hover);
      }
    }

    @media (forced-colors: active) {
      border-color: ButtonText;

      &[aria-pressed="true"] {
        background-color: Highlight;
        border-color: Highlight;
        color: HighlightText;
      }
    }
  }

  .auth-gate-submit {
    inline-size: 100%;
    min-block-size: 3rem;

    @media (pointer: coarse) {
      min-block-size: 3.25rem;
    }
  }

  /* ========================================================================
     FOOTER COMPONENTS
     ======================================================================== */
  .footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    max-inline-size: 30rem;

    & .nav-brand {
      color: var(--ink-on-dark);
    }

    & p {
      font-size: var(--text-sm);
      color: var(--ink-on-dark-muted);
      line-height: 1.6;
    }

    &:focus-within :where(a:any-link):focus-visible {
      outline-color: var(--ink-on-dark);
    }
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    flex-wrap: balance;
    gap: 0.75rem 1.5rem;
    align-items: center;

    @media (min-width: 52rem) {
      justify-content: flex-end;
    }

    & a {
      font-size: var(--text-sm);
      color: var(--ink-on-dark-muted);
      text-decoration: none;
      transition: color var(--duration-fast) ease;

      &:hover,
      &:focus-visible {
        color: var(--ink-on-dark);
        text-decoration: underline;
      }

      &:focus-visible {
        outline-color: var(--ink-on-dark);
      }
    }
  }

  .footer-lock-btn {
    appearance: none;
    display: inline-flex;
    align-items: safe center;
    justify-content: center;
    gap: 0.4rem;
    min-block-size: 2.25rem;
    padding-block: 0.375rem;
    padding-inline: 0.8rem;
    border: 1px solid var(--border-on-dark-control);
    border-radius: var(--radius-xs);
    background-color: transparent;
    color: var(--ink-on-dark-muted);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.2;
    cursor: pointer;
    transition:
      color var(--duration-fast) ease,
      border-color var(--duration-fast) ease,
      background-color var(--duration-fast) ease;

    @media (pointer: coarse) {
      min-block-size: 2.75rem;
      padding-inline: 0.95rem;
    }

    &:hover:not(:disabled) {
      color: var(--ink-on-dark);
      border-color: var(--ink-on-dark);
      background-color: rgb(250 248 245 / 0.08);
    }

    &:focus-visible {
      color: var(--ink-on-dark);
      outline-color: var(--ink-on-dark);
    }
  }

  .footer-copy {
    padding-block-start: 1.75rem;
    border-block-start: 1px solid rgb(250 248 245 / 0.14);
    font-size: var(--text-xs);
    color: var(--ink-on-dark-muted);

    & a {
      color: var(--ink-on-dark);

      &:focus-visible {
        outline-color: var(--ink-on-dark);
      }
    }
  }
}