@layer reset, base, primitives;

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
  }

  body {
    min-height: 100vh;
    min-height: 100dvh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

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

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

  button {
    background: none;
    border: none;
    cursor: pointer;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul,
  ol {
    list-style: none;
  }

  table {
    border-collapse: collapse;
    border-spacing: 0;
  }

  blockquote,
  q {
    quotes: none;
  }

  blockquote::before,
  blockquote::after,
  q::before,
  q::after {
    content: "";
    content: none;
  }

  hr {
    border: none;
    border-top: 1px solid currentColor;
    opacity: 0.25;
  }

  abbr[title] {
    text-decoration: underline dotted;
    cursor: help;
  }

  mark {
    background-color: #d4a843;
    color: #0f1a2b;
  }

  small {
    font-size: 0.875em;
  }

  sub,
  sup {
    font-size: 0.75em;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }

  sup {
    top: -0.5em;
  }

  sub {
    bottom: -0.25em;
  }

  code,
  kbd,
  samp,
  pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.9em;
  }

  pre {
    overflow: auto;
    white-space: pre-wrap;
  }

  fieldset {
    border: none;
  }

  legend {
    padding: 0;
  }

  textarea {
    resize: vertical;
  }

  [hidden] {
    display: none !important;
  }

  :focus-visible {
    outline: 2px solid #1e3a5f;
    outline-offset: 2px;
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}

@layer base {
  :root {
    --color-architectural-white: #f8f9fa;
    --color-blueprint-blue: #1e3a5f;
    --color-concrete-grey: #5a6b7a;
    --color-park-green: #4a7c59;
    --color-restrained-yellow: #d4a843;
    --color-deep-navy: #0f1a2b;
    --color-soft-concrete: #e9ecef;
    --color-alert-red: #b23a48;

    --font-heading: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-body: "Source Serif 4", Georgia, "Times New Roman", serif;

    --text-display-size: clamp(2.5rem, 5vw + 1rem, 3.5rem);
    --text-display-line-height: 1.1;
    --text-display-letter-spacing: -0.02em;
    --text-display-weight: 700;

    --text-h1-size: clamp(2rem, 3.5vw + 0.75rem, 2.5rem);
    --text-h1-line-height: 1.2;
    --text-h1-letter-spacing: -0.01em;
    --text-h1-weight: 700;

    --text-h2-size: clamp(1.6rem, 2.5vw + 0.5rem, 2rem);
    --text-h2-line-height: 1.25;
    --text-h2-letter-spacing: 0;
    --text-h2-weight: 600;

    --text-h3-size: clamp(1.3rem, 1.5vw + 0.5rem, 1.5rem);
    --text-h3-line-height: 1.3;
    --text-h3-letter-spacing: 0;
    --text-h3-weight: 600;

    --text-h4-size: clamp(1.1rem, 1vw + 0.5rem, 1.25rem);
    --text-h4-line-height: 1.4;
    --text-h4-letter-spacing: 0;
    --text-h4-weight: 600;

    --text-body-large-size: 1.125rem;
    --text-body-large-line-height: 1.6;
    --text-body-large-letter-spacing: 0.01em;
    --text-body-large-weight: 400;

    --text-body-size: 1rem;
    --text-body-line-height: 1.6;
    --text-body-letter-spacing: 0.01em;
    --text-body-weight: 400;

    --text-caption-size: 0.875rem;
    --text-caption-line-height: 1.5;
    --text-caption-letter-spacing: 0.02em;
    --text-caption-weight: 500;

    --text-label-size: 0.75rem;
    --text-label-line-height: 1.4;
    --text-label-letter-spacing: 0.08em;
    --text-label-weight: 600;

    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    --container-main-max: 1200px;
    --container-editorial-max: 720px;
    --container-padding-mobile: 1.5rem;
    --container-padding-tablet: 2rem;
    --container-padding-desktop: 3rem;

    --border-thin: 1px solid var(--color-concrete-grey);
    --border-thick: 2px solid var(--color-blueprint-blue);
    --border-active: 2px solid var(--color-blueprint-blue);

    --shadow-subtle: 0 2px 8px rgba(15, 26, 43, 0.08);

    --radius-none: 0;
    --radius-button: 2px;
    --radius-card: 4px;

    --transition-fast: 150ms ease-out;
    --transition-medium: 200ms ease-out;
    --transition-fade: 300ms ease-out;

    --gutter: 1.5rem;
  }

  html {
    font-family: var(--font-body);
    font-size: 100%;
    background-color: var(--color-architectural-white);
    color: var(--color-deep-navy);
  }

  body {
    font-size: var(--text-body-size);
    font-weight: var(--text-body-weight);
    line-height: var(--text-body-line-height);
    letter-spacing: var(--text-body-letter-spacing);
    background-color: var(--color-architectural-white);
    color: var(--color-deep-navy);
    overflow-x: hidden;
    width: 100%;
  }

  h1,
  h2,
  h3,
  h4 {
    font-family: var(--font-heading);
    color: var(--color-blueprint-blue);
    text-wrap: balance;
  }

  h1 {
    font-size: var(--text-h1-size);
    line-height: var(--text-h1-line-height);
    letter-spacing: var(--text-h1-letter-spacing);
    font-weight: var(--text-h1-weight);
    margin-block-end: var(--space-lg);
  }

  h2 {
    font-size: var(--text-h2-size);
    line-height: var(--text-h2-line-height);
    letter-spacing: var(--text-h2-letter-spacing);
    font-weight: var(--text-h2-weight);
    margin-block-end: var(--space-md);
  }

  h3 {
    font-size: var(--text-h3-size);
    line-height: var(--text-h3-line-height);
    letter-spacing: var(--text-h3-letter-spacing);
    font-weight: var(--text-h3-weight);
    margin-block-end: var(--space-sm);
  }

  h4 {
    font-size: var(--text-h4-size);
    line-height: var(--text-h4-line-height);
    letter-spacing: var(--text-h4-letter-spacing);
    font-weight: var(--text-h4-weight);
    margin-block-end: var(--space-sm);
  }

  .display {
    font-family: var(--font-heading);
    font-size: var(--text-display-size);
    line-height: var(--text-display-line-height);
    letter-spacing: var(--text-display-letter-spacing);
    font-weight: var(--text-display-weight);
    color: var(--color-blueprint-blue);
    margin-block-end: var(--space-lg);
    text-wrap: balance;
  }

  p {
    font-size: var(--text-body-size);
    line-height: var(--text-body-line-height);
    letter-spacing: var(--text-body-letter-spacing);
    font-weight: var(--text-body-weight);
    color: var(--color-deep-navy);
    margin-block-end: var(--space-md);
  }

  .body-large {
    font-size: var(--text-body-large-size);
    line-height: var(--text-body-large-line-height);
    letter-spacing: var(--text-body-large-letter-spacing);
    font-weight: var(--text-body-large-weight);
    margin-block-end: var(--space-md);
  }

  .caption {
    font-family: var(--font-heading);
    font-size: var(--text-caption-size);
    line-height: var(--text-caption-line-height);
    letter-spacing: var(--text-caption-letter-spacing);
    font-weight: var(--text-caption-weight);
    color: var(--color-concrete-grey);
  }

  .label {
    font-family: var(--font-heading);
    font-size: var(--text-label-size);
    line-height: var(--text-label-line-height);
    letter-spacing: var(--text-label-letter-spacing);
    font-weight: var(--text-label-weight);
    text-transform: uppercase;
    color: var(--color-concrete-grey);
  }

  a {
    color: var(--color-blueprint-blue);
    text-decoration: none;
    transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
    text-underline-offset: 3px;
  }

  a:hover {
    text-decoration: underline;
    text-decoration-color: var(--color-blueprint-blue);
    text-decoration-thickness: 2px;
  }

  a:focus-visible {
    outline: 2px solid var(--color-blueprint-blue);
    outline-offset: 2px;
  }

  strong,
  b {
    font-weight: 700;
  }

  em,
  i {
    font-style: italic;
  }

  blockquote {
    border-inline-start: 2px solid var(--color-blueprint-blue);
    padding-inline-start: var(--space-lg);
    margin-block-end: var(--space-lg);
    color: var(--color-concrete-grey);
    font-style: italic;
  }

  blockquote p {
    color: inherit;
    margin-block-end: var(--space-sm);
  }

  blockquote p:last-child {
    margin-block-end: 0;
  }

  ul,
  ol {
    margin-block-end: var(--space-md);
    padding-inline-start: var(--space-lg);
  }

  ul {
    list-style: disc;
  }

  ol {
    list-style: decimal;
  }

  ul ul,
  ol ol,
  ul ol,
  ol ul {
    margin-block-end: 0;
  }

  .content-list {
    list-style: disc;
    padding-inline-start: var(--space-lg);
    margin-block-end: var(--space-md);
  }

  .content-list li {
    margin-block-end: var(--space-xs);
  }

  .content-list li:last-child {
    margin-block-end: 0;
  }

  figure {
    margin-block-end: var(--space-lg);
  }

  figure img {
    border: 1px solid var(--color-concrete-grey);
    border-radius: var(--radius-none);
  }

  figcaption {
    font-family: var(--font-heading);
    font-size: var(--text-caption-size);
    line-height: var(--text-caption-line-height);
    letter-spacing: var(--text-caption-letter-spacing);
    font-weight: var(--text-caption-weight);
    color: var(--color-concrete-grey);
    margin-block-start: var(--space-xs);
    text-align: start;
  }

  hr {
    border: none;
    border-top: 1px solid var(--color-concrete-grey);
    margin-block: var(--space-xl);
  }

  table {
    width: 100%;
    margin-block-end: var(--space-lg);
    border: 1px solid var(--color-concrete-grey);
    font-size: var(--text-body-size);
    line-height: var(--text-body-line-height);
  }

  th,
  td {
    padding: var(--space-sm) var(--space-md);
    text-align: start;
    border-bottom: 1px solid var(--color-concrete-grey);
  }

  th {
    font-family: var(--font-heading);
    font-weight: 600;
    background-color: var(--color-soft-concrete);
    color: var(--color-blueprint-blue);
  }

  tbody tr:nth-child(even) {
    background-color: var(--color-soft-concrete);
  }

  tbody tr:nth-child(odd) {
    background-color: var(--color-architectural-white);
  }

  label {
    font-family: var(--font-heading);
    font-size: var(--text-label-size);
    line-height: var(--text-label-line-height);
    letter-spacing: var(--text-label-letter-spacing);
    font-weight: var(--text-label-weight);
    text-transform: uppercase;
    color: var(--color-concrete-grey);
    display: block;
    margin-block-end: var(--space-xs);
  }

  input[type="text"],
  input[type="email"],
  input[type="url"],
  input[type="password"],
  input[type="search"],
  input[type="tel"],
  input[type="number"],
  select,
  textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-concrete-grey);
    border-radius: var(--radius-button);
    background-color: var(--color-architectural-white);
    color: var(--color-deep-navy);
    font-family: var(--font-body);
    font-size: var(--text-body-size);
    line-height: var(--text-body-line-height);
    transition: border-color var(--transition-fast);
  }

  input[type="text"]:focus,
  input[type="email"]:focus,
  input[type="url"]:focus,
  input[type="password"]:focus,
  input[type="search"]:focus,
  input[type="tel"]:focus,
  input[type="number"]:focus,
  select:focus,
  textarea:focus {
    outline: none;
    border: 2px solid var(--color-blueprint-blue);
    padding: calc(var(--space-sm) - 1px) calc(var(--space-md) - 1px);
  }

  input::placeholder,
  textarea::placeholder {
    color: var(--color-concrete-grey);
    opacity: 0.7;
  }

  select {
    appearance: auto;
  }

  textarea {
    min-height: 8rem;
  }

  button,
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--color-blueprint-blue);
    border-radius: var(--radius-button);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    line-height: 1.4;
  }

  .button-primary {
    background-color: var(--color-restrained-yellow);
    color: var(--color-deep-navy);
    border-color: var(--color-blueprint-blue);
  }

  .button-primary:hover {
    background-color: #c29435;
    color: var(--color-deep-navy);
    text-decoration: none;
  }

  .button-secondary {
    background-color: transparent;
    color: var(--color-blueprint-blue);
    border-color: var(--color-blueprint-blue);
  }

  .button-secondary:hover {
    background-color: var(--color-soft-concrete);
    color: var(--color-blueprint-blue);
    text-decoration: none;
  }

  .button:focus-visible {
    outline: 2px solid var(--color-blueprint-blue);
    outline-offset: 2px;
  }

  .button-arrow {
    display: inline-block;
    transition: transform var(--transition-fast);
  }

  .button:hover .button-arrow {
    transform: translateX(2px);
  }

  /* Image-based store button (e.g. Google Play badge) */
  .button-store {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 0;
    border-radius: var(--radius-button);
    transition: opacity var(--transition-fast);
  }

  .button-store:hover {
    opacity: 0.92;
  }

  .button-store:focus-visible {
    outline: 2px solid var(--color-blueprint-blue);
    outline-offset: 2px;
  }

  /* Height matches the .button component so layouts stay aligned */
  .button-store__img {
    height: calc(var(--space-sm) * 2 + 1.4 * 0.875rem + 2px);
    width: auto;
    display: block;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  .blueprint-grid-overlay {
    position: relative;
  }

  .blueprint-grid-overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(to right, rgba(30, 58, 95, 0.05) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(30, 58, 95, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 1;
  }

  .skeleton {
    background-color: var(--color-soft-concrete);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
    border-radius: var(--radius-card);
    min-height: 1rem;
  }

  @keyframes skeleton-pulse {
    0%,
    100% {
      opacity: 0.5;
    }
    50% {
      opacity: 1;
    }
  }

  .fade-in {
    animation: fade-in 300ms ease-out both;
  }

  @keyframes fade-in {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  :last-child {
    margin-block-end: 0;
  }

  h1:last-child,
  h2:last-child,
  h3:last-child,
  h4:last-child,
  p:last-child,
  ul:last-child,
  ol:last-child,
  blockquote:last-child,
  figure:last-child,
  table:last-child,
  hr:last-child {
    margin-block-end: 0;
  }
}

@layer primitives {
  .container {
    width: 100%;
    max-width: var(--container-main-max);
    margin-inline: auto;
    padding-inline: var(--container-padding-mobile);
  }

  .container-editorial {
    width: 100%;
    max-width: var(--container-editorial-max);
    margin-inline: auto;
    padding-inline: var(--container-padding-mobile);
  }

  .container-zone {
    width: 100%;
    max-width: var(--container-main-max);
    margin-inline: auto;
    padding-inline: var(--container-padding-mobile);
    border-top: 1px solid var(--color-concrete-grey);
    border-bottom: 1px solid var(--color-concrete-grey);
  }

  .card {
    background-color: var(--color-architectural-white);
    border: 1px solid var(--color-concrete-grey);
    border-radius: var(--radius-card);
    padding: var(--space-lg);
    transition: box-shadow var(--transition-fast);
  }

  .card:hover {
    box-shadow: var(--shadow-subtle);
  }

  .card > :last-child {
    margin-block-end: 0;
  }

  .card-secondary {
    background-color: var(--color-soft-concrete);
    border: 1px solid var(--color-concrete-grey);
    border-radius: var(--radius-card);
    padding: var(--space-lg);
  }

  .card-secondary > :last-child {
    margin-block-end: 0;
  }

  .panel {
    background-color: var(--color-architectural-white);
    border: 1px solid var(--color-concrete-grey);
    border-radius: var(--radius-card);
    padding: var(--space-lg);
  }

  .panel > :last-child {
    margin-block-end: 0;
  }

  .zone-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-heading);
    font-size: var(--text-label-size);
    line-height: var(--text-label-line-height);
    letter-spacing: var(--text-label-letter-spacing);
    font-weight: var(--text-label-weight);
    text-transform: uppercase;
    color: var(--color-concrete-grey);
  }

  .zone-label::before {
    content: "";
    display: inline-block;
    width: 0.75rem;
    height: 0.75rem;
    background-color: currentColor;
    flex-shrink: 0;
  }

  .zone-label-green {
    color: var(--color-park-green);
  }

  .zone-label-yellow {
    color: var(--color-restrained-yellow);
  }

  .zone-label-red {
    color: var(--color-alert-red);
  }

  .zone-label-blue {
    color: var(--color-blueprint-blue);
  }

  .divider {
    border: none;
    border-top: 1px solid var(--color-concrete-grey);
    margin-block: var(--space-xl);
  }

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

  .flex > * {
    min-width: 0;
    flex-shrink: 1;
  }

  .flex-nowrap {
    flex-wrap: nowrap;
  }

  .flex-align-center {
    align-items: center;
  }

  .flex-align-start {
    align-items: flex-start;
  }

  .flex-align-end {
    align-items: flex-end;
  }

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

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

  .flex-justify-end {
    justify-content: flex-end;
  }

  .flex-column {
    flex-direction: column;
  }

  .flex-grow {
    flex-grow: 1;
  }

  .flex-shrink-0 {
    flex-shrink: 0;
  }

  .flex-wrap {
    flex-wrap: wrap;
  }

  .flex-nowrap {
    flex-wrap: nowrap;
  }

  .gap-2xs {
    gap: var(--space-2xs);
  }

  .gap-xs {
    gap: var(--space-xs);
  }

  .gap-sm {
    gap: var(--space-sm);
  }

  .gap-md {
    gap: var(--space-md);
  }

  .gap-lg {
    gap: var(--space-lg);
  }

  .gap-xl {
    gap: var(--space-xl);
  }

  .gap-2xl {
    gap: var(--space-2xl);
  }

  .grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: var(--space-lg);
  }

  .grid-auto > * {
    min-width: 0;
  }

  .stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }

  .stack > * {
    min-width: 0;
  }

  .stack-sm {
    gap: var(--space-sm);
  }

  .stack-lg {
    gap: var(--space-lg);
  }

  .stack-xl {
    gap: var(--space-xl);
  }

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

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

  .section-lg {
    padding-block: var(--space-4xl);
  }

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

  .text-start {
    text-align: start;
  }

  .text-end {
    text-align: end;
  }

  .text-blueprint {
    color: var(--color-blueprint-blue);
  }

  .text-concrete {
    color: var(--color-concrete-grey);
  }

  .text-deep-navy {
    color: var(--color-deep-navy);
  }

  .text-park-green {
    color: var(--color-park-green);
  }

  .text-restrained-yellow {
    color: var(--color-restrained-yellow);
  }

  .text-alert-red {
    color: var(--color-alert-red);
  }

  .bg-architectural-white {
    background-color: var(--color-architectural-white);
  }

  .bg-soft-concrete {
    background-color: var(--color-soft-concrete);
  }

  .bg-deep-navy {
    background-color: var(--color-deep-navy);
  }

  .bg-blueprint-blue {
    background-color: var(--color-blueprint-blue);
  }

  .bg-restrained-yellow {
    background-color: var(--color-restrained-yellow);
  }

  .border-thin {
    border: 1px solid var(--color-concrete-grey);
  }

  .border-thick {
    border: 2px solid var(--color-blueprint-blue);
  }

  .border-top {
    border-top: 1px solid var(--color-concrete-grey);
  }

  .border-bottom {
    border-bottom: 1px solid var(--color-concrete-grey);
  }

  .radius-none {
    border-radius: var(--radius-none);
  }

  .radius-button {
    border-radius: var(--radius-button);
  }

  .radius-card {
    border-radius: var(--radius-card);
  }

  .shadow-subtle {
    box-shadow: var(--shadow-subtle);
  }

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 9999;
    background-color: var(--color-restrained-yellow);
    color: var(--color-deep-navy);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--color-blueprint-blue);
    border-radius: var(--radius-button);
    transition: top var(--transition-fast);
  }

  .skip-link:focus {
    top: 0;
    outline: 2px solid var(--color-blueprint-blue);
    outline-offset: 2px;
  }
}

@media (min-width: 768px) {
  :root {
    --container-padding-mobile: var(--container-padding-tablet);
  }

  .container,
  .container-editorial,
  .container-zone {
    padding-inline: var(--container-padding-tablet);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding-mobile: var(--container-padding-desktop);
  }

  .container,
  .container-editorial,
  .container-zone {
    padding-inline: var(--container-padding-desktop);
  }
}