/*
  American Council of ACA Website Prototype
  CSS organization:
  1. Settings / tokens
  2. Reset
  3. Base elements
  4. Typography
  5. Layout primitives
  6. Utilities
  7. Components
  8. Site chrome
  9. Page modules
  10. Container queries and fallbacks
*/

@layer settings, reset, base, typography, layout, utilities, components, chrome, modules, queries;

@layer settings {
  :root {
    color-scheme: light;

    --gray-950: #111111;
    --gray-900: #1f1f1f;
    --gray-800: #333333;
    --gray-700: #4d4d4d;
    --gray-600: #666666;
    --gray-500: #808080;
    --gray-400: #a6a6a6;
    --gray-300: #cfcfcf;
    --gray-200: #e5e5e5;
    --gray-100: #f3f3f3;
    --gray-050: #fafafa;
    --white: #ffffff;

    --color-text: var(--gray-900);
    --color-text-muted: var(--gray-700);
    --color-heading: var(--gray-950);
    --color-surface: var(--white);
    --color-surface-subtle: var(--gray-050);
    --color-surface-strong: var(--gray-950);
    --color-border: var(--gray-200);
    --color-link: var(--gray-950);
    --color-link-hover: var(--gray-600);

    --font-body: Verdana, Geneva, Tahoma, sans-serif;
    --font-heading: Georgia, "Times New Roman", serif;

    --text-xs: 0.78rem;
    --text-sm: 0.92rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: clamp(1.08rem, 2vw, 1.35rem);
    --heading-display: clamp(3rem, 7vw, 6.5rem);
    --heading-1: clamp(2.5rem, 6vw, 5.25rem);
    --heading-2: clamp(2rem, 4vw, 3.5rem);
    --heading-3: 1.45rem;
    --heading-4: 1.12rem;

    --space-2xs: 0.35rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4.5rem;
    --section-space: clamp(4rem, 8vw, 7rem);

    --container: 1180px;
    --container-narrow: 860px;
    --container-padding: 1rem;
    --grid-gap: clamp(2rem, 6vw, 5rem);

    --radius-sm: 0.35rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --radius-pill: 999px;
    --shadow-soft: 0 1rem 2rem rgba(17, 17, 17, 0.08);
    --shadow-card: 0 0.5rem 1.25rem rgba(17, 17, 17, 0.04);
  }
}

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body,
  h1,
  h2,
  h3,
  h4,
  p,
  figure,
  blockquote,
  dl,
  dd {
    margin: 0;
  }

  img,
  picture,
  svg,
  video {
    display: block;
    max-width: 100%;
  }

  button,
  input,
  textarea,
  select {
    font: inherit;
  }
}

@layer base {
  body {
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: var(--text-md);
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-surface);
  }

  main {
    overflow-x: clip;
  }

  a {
    color: var(--color-link);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.2em;
  }

  a:hover,
  a:focus-visible {
    color: var(--color-link-hover);
  }

  address {
    font-style: normal;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
  }

  th,
  td {
    padding: var(--space-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
  }

  th {
    color: var(--color-heading);
    font-weight: 800;
  }

  :focus-visible {
    outline: 3px solid var(--gray-950);
    outline-offset: 4px;
  }
}

@layer typography {
  h1,
  h2,
  h3,
  h4 {
    font-family: var(--font-heading);
    line-height: 1.12;
    color: var(--color-heading);
  }

  h1 {
    max-width: 13ch;
    font-size: var(--heading-1);
    letter-spacing: -0.055em;
  }

  h2 {
    font-size: var(--heading-2);
    letter-spacing: -0.04em;
  }

  h3 {
    font-size: var(--heading-3);
  }

  h4 {
    font-size: var(--heading-4);
  }

  p,
  li {
    color: var(--color-text-muted);
  }

  .eyebrow {
    color: var(--gray-700);
    font-size: var(--text-xs);
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .lead,
  .hero-summary {
    max-width: 44rem;
    font-size: var(--text-xl);
    color: var(--color-text-muted);
  }

  .page-title {
    max-width: 14ch;
  }

  .kicker {
    color: var(--gray-600);
    font-size: var(--text-sm);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
}

@layer layout {
  .container {
    width: min(calc(100% - (var(--container-padding) * 2)), var(--container));
    margin-inline: auto;
  }

  .container-narrow {
    width: min(calc(100% - (var(--container-padding) * 2)), var(--container-narrow));
    margin-inline: auto;
  }

  .container-query {
    container-type: inline-size;
  }

  .section {
    padding-block: var(--section-space);
  }

  .section-sm {
    padding-block: var(--space-3xl);
  }

  .cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--cluster-gap, var(--space-md));
  }

  .cluster-between {
    justify-content: space-between;
  }

  .cluster-center {
    justify-content: center;
  }

  .flow > * + * {
    margin-top: var(--flow-space, var(--space-md));
  }

  .two-column {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--grid-gap);
    align-items: center;
  }

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

  .centered {
    max-width: 50rem;
    margin-inline: auto;
    text-align: center;
  }

  .stack-lg {
    display: grid;
    gap: var(--space-2xl);
  }
}

@layer utilities {
  .list-reset {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .text-link {
    flex: 0 0 auto;
    font-weight: 700;
  }

  .skip-link {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    z-index: 100;
    transform: translateY(-150%);
    padding: var(--space-sm) var(--space-md);
    color: var(--white);
    background: var(--gray-950);
    border-radius: var(--radius-sm);
  }

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

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

  .surface-strong {
    color: var(--white);
    background: var(--color-surface-strong);
  }

  .surface-strong h2,
  .surface-strong h3,
  .surface-strong p,
  .surface-strong li {
    color: var(--white);
  }
}

@layer components {
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.75rem 1.15rem;
    color: var(--gray-950);
    background: transparent;
    border: 2px solid var(--gray-950);
    border-radius: var(--radius-pill);
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
    transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
  }

  .button-primary {
    color: var(--white);
    background: var(--gray-950);
  }

  .button-primary:hover,
  .button-primary:focus-visible {
    color: var(--white);
    background: var(--gray-700);
    border-color: var(--gray-700);
  }

  .button-secondary:hover,
  .button-secondary:focus-visible {
    color: var(--white);
    background: var(--gray-950);
  }

  .button-light {
    color: var(--gray-950);
    background: var(--white);
    border-color: var(--white);
  }

  .button-light:hover,
  .button-light:focus-visible {
    color: var(--gray-950);
    background: var(--gray-200);
    border-color: var(--gray-200);
  }

  .card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: var(--space-lg);
    background: var(--white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
  }

  .card-link {
    margin-top: auto;
    color: var(--gray-950);
    font-weight: 800;
  }

  .card-icon {
    width: 3.25rem;
    height: 3.25rem;
    margin-bottom: var(--space-md);
    border-radius: 50%;
  }

  .card .icon-frame {
    margin-bottom: var(--space-sm, 0.75rem);
}

  .card h3,
  .card p {
    margin-bottom: 0;
  }

  /* -----------------------------------------
   Components: Icons
----------------------------------------- */

.icon {
  width: var(--icon-size, 1.5rem);
  height: var(--icon-size, 1.5rem);
  stroke: currentColor;
  stroke-width: var(--icon-stroke, 1.8);
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex: 0 0 auto;
}

.icon-frame {
  display: inline-grid;
  place-items: center;
  width: var(--icon-frame-size, 3.25rem);
  height: var(--icon-frame-size, 3.25rem);
  color: var(--gray-950);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 999px;
}

.icon-frame .icon {
  --icon-size: 1.45rem;
}

/* Larger icon treatment for major action cards */

.icon-frame-large {
  --icon-frame-size: 4rem;
}

.icon-frame-large .icon {
  --icon-size: 1.8rem;
}

/* Reversed icon treatment for dark sections */

.icon-frame-inverse {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

  .image-placeholder,
  .media-card,
  .publication-cover,
  .card-icon,
  .story-thumb {
    background: linear-gradient(135deg, var(--gray-300), var(--gray-100));
    border: 1px solid var(--gray-300);
  }

  .section-heading {
    --flow-space: var(--space-sm);
  }

  .stat-card {
    padding: var(--space-lg);
    border-block: 1px solid var(--color-border);
  }

  .stat-number {
    display: block;
    color: var(--gray-950);
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1;
  }

  .callout {
    padding: clamp(2rem, 5vw, 4rem);
    border-radius: var(--radius-lg);
    background: var(--gray-100);
  }

  .breadcrumb {
    font-size: var(--text-sm);
  }

  .breadcrumb a {
    color: var(--gray-700);
    font-weight: 700;
  }
}

@layer chrome {
  .site-alert {
    color: var(--white);
    background: var(--gray-950);
    font-size: var(--text-sm);
  }

  .alert-inner {
    justify-content: center;
    padding-block: 0.8rem;
    text-align: center;
  }

  .alert-inner p,
  .alert-inner a {
    color: var(--gray-100);
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--color-border);
  }

  .header-inner {
    justify-content: space-between;
    gap: var(--space-lg);
    padding-block: var(--space-md);
  }

  .brand,
  .footer-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-950);
    font-weight: 800;
    text-decoration: none;
  }

  .brand-mark {
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    color: var(--white);
    background: var(--gray-950);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: 1.35rem;
  }

  .brand-text {
    display: grid;
    line-height: 1.2;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .brand-tagline {
    color: var(--gray-600);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .primary-nav ul {
    --cluster-gap: 1.15rem;
  }

  .primary-nav a,
  .footer-links a {
    color: var(--gray-800);
    font-size: var(--text-sm);
    font-weight: 700;
    text-decoration: none;
  }

  .primary-nav a[aria-current="page"] {
    color: var(--gray-950);
    text-decoration: underline;
    text-decoration-thickness: 0.12em;
  }

  .site-footer {
    padding-block: 4rem 2rem;
    color: var(--white);
    background: var(--gray-950);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 0.75fr 0.75fr;
    gap: var(--space-2xl);
  }

  .site-footer p,
  .site-footer a,
  .site-footer address {
    color: var(--gray-300);
  }

  .footer-brand {
    color: var(--white);
    font-size: 1.2rem;
  }

  .footer-heading {
    color: var(--white);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .footer-links {
    display: grid;
    gap: var(--space-xs);
  }

  .footer-bottom {
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    margin-top: var(--space-2xl);
    border-top: 1px solid var(--gray-800);
    font-size: var(--text-sm);
  }
}

@layer modules {
  .hero {
    border-bottom: 1px solid var(--color-border);
  }

  .hero-grid-variant {
    overflow: hidden;
    background: linear-gradient(120deg, var(--gray-100), var(--white));
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
    gap: var(--space-2xl);
    align-items: center;
    min-height: 74vh;
    padding-block: var(--space-3xl);
  }

  .hero-content {
    --flow-space: 1.25rem;
  }

  .hero-media {
    position: relative;
    min-height: 34rem;
  }

  .media-card-large {
    position: absolute;
    inset: 0 0 2rem 4rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
  }

  .media-card-small {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 52%;
    height: 42%;
    border: 1rem solid var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
  }

  .hero-actions,
  .button-row {
    --cluster-gap: 0.8rem;
    margin-top: var(--space-xl);
  }

  .hero-single {
    --hero-image: none;
    display: flex;
    align-items: center;
    min-height: 620px;
    color: var(--white);
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.58) 42%, rgba(0, 0, 0, 0.22) 100%),
      var(--hero-image);
    background-position: center;
    background-size: cover;
  }

  .hero-single .hero-content {
    max-width: 680px;
    padding-block: clamp(5rem, 10vw, 9rem);
  }

  .hero-single h1,
  .hero-single .eyebrow,
  .hero-single .hero-summary {
    color: var(--white);
  }

  .hero-single-centered {
    text-align: center;
    background:
      linear-gradient(rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0.62)),
      var(--hero-image);
    background-position: center;
    background-size: cover;
  }

  .hero-single-centered .hero-content,
  .hero-single-centered h1,
  .hero-single-centered .hero-summary {
    margin-inline: auto;
  }

  .hero-single-centered .hero-actions {
    justify-content: center;
  }

  .quick-links {
    color: var(--white);
    background: var(--gray-950);
  }

  .quick-link-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .quick-link-card {
    display: grid;
    align-content: start;
    min-height: 12rem;
    padding: var(--space-xl);
    color: var(--white);
    text-decoration: none;
    border-left: 1px solid var(--gray-700);
  }

  .quick-link-card:last-child {
    border-right: 1px solid var(--gray-700);
  }

  .quick-link-card:hover,
  .quick-link-card:focus-visible {
    color: var(--white);
    background: var(--gray-800);
  }

  .quick-link-label {
    display: block;
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    line-height: 1.15;
  }

  .quick-link-description {
    color: var(--gray-300);
    font-size: var(--text-sm);
  }

  .page-hero {
    padding-block: clamp(4rem, 8vw, 7rem);
    background: linear-gradient(120deg, var(--gray-100), var(--white));
    border-bottom: 1px solid var(--color-border);
  }

  .page-hero .container {
    display: grid;
    gap: var(--space-lg);
  }

  .image-placeholder-tall {
    min-height: 33rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
  }

  .section-copy p {
    max-width: 48rem;
  }

  .card-grid,
  .story-grid,
  .stats-grid {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
  }

  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .story-card {
    overflow: hidden;
    padding: 0;
  }

  .story-thumb {
    min-height: 14rem;
  }

  .story-card-content {
    display: grid;
    gap: var(--space-sm);
    padding: var(--space-lg);
  }

  .feature-list {
    display: grid;
    gap: var(--space-md);
    margin: var(--space-xl) 0 0;
    padding: 0;
    list-style: none;
  }

  .feature-list li {
    padding: var(--space-md);
    border-left: 4px solid var(--gray-950);
    background: var(--gray-050);
  }

  .publication-stack {
    position: relative;
    min-height: 28rem;
  }

  .publication-cover {
    position: absolute;
    width: 15rem;
    height: 21rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-soft);
  }

  .cover-one {
    top: 3rem;
    left: 0;
    background: var(--gray-300);
  }

  .cover-two {
    top: 0;
    left: 7rem;
    background: var(--gray-200);
  }

  .cover-three {
    top: 5rem;
    left: 14rem;
    background: var(--gray-400);
  }

  .matching-gift,
  .cta-band {
    padding-block: var(--space-2xl);
    color: var(--white);
    background: var(--gray-900);
  }

  .matching-inner,
  .cta-band-inner {
    justify-content: space-between;
    gap: var(--space-xl);
  }

  .matching-gift h2,
  .matching-gift p,
  .matching-gift .eyebrow,
  .cta-band h2,
  .cta-band p,
  .cta-band .eyebrow {
    color: var(--white);
  }

  .matching-gift .button-secondary,
  .cta-band .button-secondary {
    color: var(--white);
    border-color: var(--white);
  }

  .matching-gift .button-secondary:hover,
  .matching-gift .button-secondary:focus-visible,
  .cta-band .button-secondary:hover,
  .cta-band .button-secondary:focus-visible {
    color: var(--gray-950);
    background: var(--white);
  }

  .directory-list {
    display: grid;
    gap: var(--space-md);
  }

  .directory-item {
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--white);
  }

  .form-panel {
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--gray-050);
  }

  .form-row {
    display: grid;
    gap: var(--space-xs);
  }

  .input,
  .select,
  .textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background: var(--white);
  }

  .textarea {
    min-height: 8rem;
    resize: vertical;
  }
}

@layer queries {
  @container (max-width: 62rem) {
    .hero-grid,
    .two-column,
    .footer-grid {
      grid-template-columns: 1fr;
    }

    .hero-grid {
      min-height: auto;
    }

    .hero-media {
      min-height: 28rem;
    }

    .quick-link-grid,
    .card-grid,
    .story-grid,
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @container (max-width: 40rem) {
    .quick-link-grid,
    .card-grid,
    .story-grid,
    .stats-grid {
      grid-template-columns: 1fr;
    }

    .quick-link-card,
    .quick-link-card:last-child {
      border-right: 0;
      border-left: 0;
      border-top: 1px solid var(--gray-700);
    }

    .publication-stack {
      min-height: 23rem;
      transform: scale(0.82);
      transform-origin: left center;
    }
  }

  @media (max-width: 1060px) {
    .header-inner {
      align-items: flex-start;
    }

    .primary-nav {
      order: 3;
      width: 100%;
    }
  }

  @media (max-width: 760px) {
    .hero-single {
      min-height: auto;
      background:
        linear-gradient(rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.72)),
        var(--hero-image);
      background-position: center;
      background-size: cover;
    }

    .hero-single .hero-content {
      padding-block: 4.5rem;
    }

    .hero-actions .button,
    .button-row .button {
      width: 100%;
    }
  }

  @media (max-width: 680px) {
    .alert-inner,
    .matching-inner,
    .cta-band-inner,
    .footer-bottom {
      align-items: flex-start;
      flex-direction: column;
    }

    .primary-nav ul {
      display: grid;
      gap: var(--space-sm);
    }

    .hero-grid {
      padding-block: var(--space-2xl);
    }

    .hero-media {
      min-height: 20rem;
    }

    .media-card-large {
      inset: 0 0 2rem 2rem;
    }
  }
}