/* ==========================================================================
   1955 Cleveland Avenue Professional Building — Modern Stylesheet
   Built with modern CSS architecture: Custom Properties, CSS Grid & Subgrid,
   Container Queries, Logical Properties, text-wrap: balance/pretty, and :user-invalid
   ========================================================================== */

:root {
  color-scheme: light;
  --clr-bg: #faf8f5;
  --clr-surface: #ffffff;
  --clr-surface-alt: #f2ede4;
  --clr-surface-elevated: #fffdf9;
  --clr-primary: #1b365d;
  --clr-primary-dark: #10223d;
  --clr-primary-light: #e8eef5;
  --clr-accent: #9e7332;
  --clr-accent-light: #f7f0e2;
  --clr-text: #1c2430;
  --clr-text-muted: #525d6d;
  --clr-border: #d8d0c5;
  --clr-border-subtle: #e6dfd5;
  --clr-error: #d93025;
  --clr-error-bg: #fce8e6;
  --clr-success: #188038;
  --clr-success-bg: #e6f4ea;

  --font-serif: "Georgia", "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

  --shadow-sm: 0 1px 3px rgba(16, 34, 61, 0.07), 0 1px 2px rgba(16, 34, 61, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(16, 34, 61, 0.1), 0 4px 10px -2px rgba(16, 34, 61, 0.05);
  --shadow-lg: 0 20px 40px -12px rgba(16, 34, 61, 0.18);

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;

  --container-max: 76rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-block-start: 5.5rem;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  text-align: start;
  overflow-wrap: break-word;
}

/* Typography & Legibility (improve-text-layout-and-legibility, typography) */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--clr-primary-dark);
  line-height: 1.2;
  margin-block-start: 0;
  text-wrap: balance;
}

p, blockquote, li, .pretty-text {
  text-wrap: pretty;
}

p {
  max-inline-size: 75ch;
  margin-block-start: 0;
}

img, svg, canvas, video {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

/* Focus visibility */
:focus-visible {
  outline: 3px solid var(--clr-accent);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  inset-block-start: -100%;
  inset-inline-start: 1rem;
  background: var(--clr-primary-dark);
  color: #fff;
  padding-block: 0.75rem;
  padding-inline: 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  inset-block-start: 1rem;
}

/* Layout Container */
.container {
  inline-size: min(100% - 2.5rem, var(--container-max));
  margin-inline: auto;
}

/* Top Utility Bar */
.top-bar {
  background-color: var(--clr-primary-dark);
  color: #e2e8f0;
  font-size: 0.875rem;
  padding-block: 0.5rem;
  border-block-end: 1px solid rgba(255, 255, 255, 0.12);
}

.top-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.75rem;
}

.top-bar-info {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  gap: 1.25rem;
}

.top-bar-item {
  display: inline-flex;
  align-items: safe center;
  gap: 0.4rem;
}

.top-bar-actions {
  display: flex;
  align-items: safe center;
  gap: 1rem;
}

.top-bar a,
.top-bar-btn {
  color: #f8fafc;
  text-decoration: none;
  font-weight: 500;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: safe center;
  gap: 0.35rem;
}

.top-bar a:hover,
.top-bar-btn:hover {
  color: #fbbf24;
  text-decoration: underline;
}

/* Main Site Header */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-block-end: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.875rem;
}

.brand {
  display: flex;
  align-items: safe center;
  gap: 0.875rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  inline-size: 3rem;
  block-size: 3rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: #fff;
  display: grid;
  place-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.03em;
  border: 2px solid var(--clr-accent);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  font-weight: 700;
  color: var(--clr-primary-dark);
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.primary-nav ul {
  display: flex;
  flex-wrap: wrap;
  flex-wrap: balance;
  align-items: safe center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  display: inline-block;
  padding-block: 0.5rem;
  padding-inline: 0.75rem;
  color: var(--clr-text);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.primary-nav a:hover,
.primary-nav a[aria-current="true"] {
  background-color: var(--clr-primary-light);
  color: var(--clr-primary-dark);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: safe center;
  justify-content: center;
  gap: 0.5rem;
  padding-block: 0.75rem;
  padding-inline: 1.375rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--clr-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--clr-primary-dark);
}

.btn-accent {
  background-color: var(--clr-accent);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: #845e26;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.btn-outline:hover {
  background-color: var(--clr-primary-light);
}

.btn-light {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.btn-light:hover {
  background-color: rgba(255, 255, 255, 0.24);
}

.btn-sm {
  padding-block: 0.5rem;
  padding-inline: 0.875rem;
  font-size: 0.875rem;
}

/* Hero Section (#home) */
.hero {
  position: relative;
  background: linear-gradient(125deg, #0f213c 0%, #1b365d 55%, #274773 100%);
  color: #ffffff;
  padding-block: clamp(3rem, 6vw, 5.5rem);
  border-block-end: 4px solid var(--clr-accent);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: safe center;
  gap: 0.5rem;
  background-color: rgba(158, 115, 50, 0.3);
  border: 1px solid rgba(251, 191, 36, 0.45);
  color: #fde68a;
  padding-block: 0.35rem;
  padding-inline: 0.85rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-block-end: 1.25rem;
}

.hero h1 {
  color: #ffffff;
  font-size: clamp(2rem, 1.35rem + 2.5vw, 3.125rem);
  margin-block-end: 1rem;
}

.hero-lead {
  font-size: clamp(1.05rem, 0.95rem + 0.35vw, 1.2rem);
  color: #e2e8f0;
  line-height: 1.65;
  margin-block-end: 1.5rem;
}

.hero-welcome-box {
  background-color: rgba(255, 255, 255, 0.08);
  border-inline-start: 4px solid var(--clr-accent);
  padding: 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-block-end: 1.75rem;
}

.hero-welcome-box h2 {
  color: #fde68a;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-block-end: 0.5rem;
}

.hero-welcome-box p {
  color: #f1f5f9;
  font-size: 0.95rem;
  margin-block-end: 0;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.hero-visual-card {
  background-color: var(--clr-surface);
  color: var(--clr-text);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--clr-border);
}

.hero-illustration {
  aspect-ratio: 16 / 10;
  inline-size: 100%;
  border-radius: var(--radius-md);
  overflow: clip;
  background-color: #e5ecf4;
  margin-block-end: 1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  text-align: center;
  padding-block-start: 0.5rem;
}

.hero-stat-item {
  background-color: var(--clr-surface-alt);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-sm);
}

.hero-stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-primary-dark);
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  font-weight: 500;
}

/* Section Shared Styling */
.section {
  padding-block: clamp(3.5rem, 6vw, 5.5rem);
}

.section-alt {
  background-color: var(--clr-surface-alt);
  border-block: 1px solid var(--clr-border-subtle);
}

.section-header {
  margin-block-end: 2.5rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-accent);
  margin-block-end: 0.5rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 1.3rem + 1.5vw, 2.375rem);
  margin-block-end: 0.75rem;
}

.section-header p {
  color: var(--clr-text-muted);
  font-size: 1.0625rem;
}

/* Filter Toolbar for Executive Office Suites */
.suites-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 2rem;
  background-color: var(--clr-surface);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  flex-wrap: balance;
  gap: 0.5rem;
}

.filter-btn {
  background-color: var(--clr-surface-alt);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  padding-block: 0.45rem;
  padding-inline: 0.95rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-btn[aria-pressed="true"],
.filter-btn:hover {
  background-color: var(--clr-primary);
  color: #ffffff;
  border-color: var(--clr-primary);
}

/* Subgrid Card Layout for Executive Office Suites (css-layout) */
.suites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  grid-auto-rows: auto 1fr auto;
  gap: 1.5rem;
}

.suite-card {
  grid-row: span 3;
  display: grid;
  /* Same-cascade fallback: ignored when subgrid is supported */
  grid-template-rows: auto 1fr auto;
  grid-template-rows: subgrid;
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.suite-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.suite-card[hidden] {
  display: none;
}

.suite-card-header {
  border-block-end: 1px solid var(--clr-border-subtle);
  padding-block-end: 0.875rem;
  margin-block-end: 0.875rem;
}

.suite-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-block-end: 0.5rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding-block: 0.2rem;
  padding-inline: 0.6rem;
  border-radius: 999px;
  background-color: var(--clr-primary-light);
  color: var(--clr-primary-dark);
}

.badge-accent {
  background-color: var(--clr-accent-light);
  color: #6e4d1c;
}

.suite-card h3 {
  font-size: 1.35rem;
  margin-block-end: 0.25rem;
}

.suite-dimensions {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--clr-accent);
}

.suite-card-body {
  margin-block-end: 1.25rem;
}

.suite-card-body p {
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
  margin-block-end: 0.875rem;
}

.suite-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.875rem;
}

.suite-features li {
  display: flex;
  align-items: safe center;
  gap: 0.5rem;
}

.suite-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--clr-border-subtle);
}

/* Interactive Floorplan Schematic Box */
.floorplan-box {
  margin-block-start: 2.5rem;
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
}

.floorplan-header {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 1.25rem;
}

.floorplan-svg-wrap {
  inline-size: 100%;
  overflow-x: auto;
  background-color: #f8fafc;
  border: 1px solid var(--clr-border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

/* Amenities Grid (#amenities) */
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1.5rem;
}

.amenity-card {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.amenity-icon {
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border-radius: var(--radius-sm);
  background-color: var(--clr-primary-light);
  color: var(--clr-primary);
  display: grid;
  place-content: center;
  margin-block-end: 1rem;
}

.amenity-card h3 {
  font-size: 1.15rem;
  margin-block-end: 0.5rem;
}

.amenity-card p {
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
  margin-block-end: 0;
}

/* Location & Courts Section (#location) */
.location-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 2rem;
  align-items: start;
}

.location-details-card {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.court-proximity-list {
  list-style: none;
  padding: 0;
  margin-block: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.court-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1rem;
  background-color: var(--clr-surface-alt);
  border-radius: var(--radius-sm);
  border-inline-start: 3px solid var(--clr-primary);
}

.court-distance {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--clr-primary);
  background-color: var(--clr-primary-light);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.map-card {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.map-illustration {
  aspect-ratio: 16 / 11;
  inline-size: 100%;
  border-radius: var(--radius-sm);
  background-color: #eef2f6;
  overflow: clip;
}

/* Responsive Pricing & Packages Matrix (#prices - responsive-table guide) */
.table-wrapper {
  overflow: auto;
  max-inline-size: 100%;
  max-block-size: min(640px, 82vh);
  container-type: inline-size;
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.pricing-table {
  inline-size: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: start;
  --label-1: "Service / Feature";
  --label-2: "Virtual Office Package";
  --label-3: "Standard Executive Suite";
  --label-4: "Premier Full-Service Suite";
}

.pricing-table caption {
  padding: 1.125rem 1.25rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-primary-dark);
  text-align: start;
  background-color: var(--clr-surface-alt);
  border-block-end: 1px solid var(--clr-border);
}

.pricing-table th,
.pricing-table td {
  padding: 0.9rem 1.125rem;
  border-block-end: 1px solid var(--clr-border-subtle);
  vertical-align: middle;
}

/* Sticky column headers (desktop) */
.pricing-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
}

.pricing-table thead th {
  background-color: var(--clr-primary-dark);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Sticky row headers (desktop) */
.pricing-table tbody th {
  position: sticky;
  inset-inline-start: 0;
  z-index: 1;
  background-color: var(--clr-surface);
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--clr-text);
  border-inline-end: 1px solid var(--clr-border-subtle);
}

.pricing-table tbody tr:nth-child(even) th,
.pricing-table tbody tr:nth-child(even) td {
  background-color: #fcfaf7;
}

.check-included {
  display: inline-flex;
  align-items: safe center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--clr-success);
}

.check-na {
  color: var(--clr-text-muted);
}

/* Responsive Stacked Layout under 600px container width (responsive-table guide) */
@container (width < 600px) {
  .pricing-table,
  .pricing-table thead,
  .pricing-table tbody,
  .pricing-table tr,
  .pricing-table th,
  .pricing-table td {
    display: block;
  }

  .pricing-table thead {
    /* MANDATORY: Hide column header from layout and screen readers */
    display: none;
  }

  .pricing-table tr {
    margin-block-end: 1.25rem;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
  }

  .pricing-table tbody th {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    background-color: var(--clr-surface-alt) !important;
    border-inline-end: none;
  }

  .pricing-table td:nth-child(2)::before {
    content: var(--label-2) ": ";
    font-weight: 600;
    color: var(--clr-primary-dark);
  }

  .pricing-table td:nth-child(3)::before {
    content: var(--label-3) ": ";
    font-weight: 600;
    color: var(--clr-primary-dark);
  }

  .pricing-table td:nth-child(4)::before {
    content: var(--label-4) ": ";
    font-weight: 600;
    color: var(--clr-primary-dark);
  }
}

/* Photos Gallery Section (#photos) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16.5rem), 1fr));
  gap: 1.25rem;
}

.gallery-card {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: clip;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.gallery-trigger {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  text-align: start;
  cursor: pointer;
  color: inherit;
  font: inherit;
  display: flex;
  flex-direction: column;
  block-size: 100%;
}

.gallery-thumb {
  aspect-ratio: 4 / 3;
  inline-size: 100%;
  background-color: #e2e8f0;
  overflow: clip;
  position: relative;
}

.gallery-thumb svg {
  inline-size: 100%;
  block-size: 100%;
  transition: transform 0.25s ease;
}

.gallery-trigger:hover .gallery-thumb svg {
  transform: scale(1.03);
}

.gallery-caption {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.gallery-caption h3 {
  font-size: 1.05rem;
  margin-block-end: 0.35rem;
}

.gallery-caption p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-block-end: 0;
}

/* Conference Room Calendar Section (#calendar) */
.calendar-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: 2rem;
  align-items: start;
}

.calendar-widget {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.calendar-header {
  display: flex;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-end: 1rem;
}

.calendar-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.calendar-weekdays,
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.35rem;
  text-align: center;
}

.calendar-weekdays div {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  padding-block: 0.4rem;
  text-transform: uppercase;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border-subtle);
  background-color: var(--clr-surface);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
}

.cal-day:hover:not(:disabled) {
  border-color: var(--clr-primary);
  background-color: var(--clr-primary-light);
}

.cal-day[aria-selected="true"] {
  background-color: var(--clr-primary);
  color: #ffffff;
  border-color: var(--clr-primary);
}

.cal-day:disabled {
  opacity: 0.4;
  cursor: default;
  background-color: #f8fafc;
}

.cal-dot {
  inline-size: 0.35rem;
  block-size: 0.35rem;
  border-radius: 50%;
  background-color: var(--clr-accent);
  margin-block-start: 0.15rem;
}

.cal-day[aria-selected="true"] .cal-dot {
  background-color: #fde68a;
}

.schedule-panel {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.slot-list {
  list-style: none;
  padding: 0;
  margin-block: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.slot-item {
  display: flex;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border-subtle);
  background-color: var(--clr-surface-alt);
}

.slot-status-open {
  color: var(--clr-success);
  font-weight: 700;
  font-size: 0.8125rem;
}

.slot-status-booked {
  color: var(--clr-text-muted);
  font-size: 0.8125rem;
}

/* Contact Us & Form Validation (#contact - forms & validate-input-after-interaction guides) */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: 2.5rem;
  align-items: start;
}

.contact-form-card {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
}

.field {
  margin-block-end: 1.375rem;
}

.field label,
.fieldset-legend {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--clr-primary-dark);
  margin-block-end: 0.25rem; /* Gestalt Proximity Rule: closer to input than adjacent fields */
}

.required-marker {
  color: var(--clr-error);
  font-weight: 700;
}

.hint {
  display: block;
  color: var(--clr-text-muted);
  font-size: 0.825rem;
  margin-block-end: 0.35rem;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="password"],
.field select,
.field textarea {
  inline-size: 100%;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--clr-text);
  background-color: #ffffff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.field textarea {
  min-block-size: 7rem;
  resize: vertical;
}

.radio-group {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  margin-block-end: 1.375rem;
  background-color: var(--clr-surface-elevated);
}

.radio-options {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-block-start: 0.5rem;
}

.radio-label {
  display: inline-flex;
  align-items: safe center;
  gap: 0.45rem;
  font-size: 0.9375rem;
  cursor: pointer;
}

.radio-label input[type="radio"] {
  accent-color: var(--clr-primary);
  inline-size: 1.1rem;
  block-size: 1.1rem;
}

.error-msg {
  display: none;
  color: var(--clr-error);
  font-size: 0.85rem;
  font-weight: 600;
  margin-block-start: 0.35rem;
}

/* DO: Show invalid state only after user interaction (:user-invalid + JS fallback) */
.field input:user-invalid,
.field textarea:user-invalid,
.field select:user-invalid,
.field input.user-invalid-fallback,
.field textarea.user-invalid-fallback,
.field select.user-invalid-fallback {
  border-color: var(--clr-error);
  background-color: var(--clr-error-bg);
}

.field input:user-invalid ~ .error-msg,
.field textarea:user-invalid ~ .error-msg,
.field select:user-invalid ~ .error-msg,
.field input.user-invalid-fallback ~ .error-msg,
.field textarea.user-invalid-fallback ~ .error-msg,
.field select.user-invalid-fallback ~ .error-msg {
  display: block;
}

/* Positive reinforcement for :user-valid state */
.field input:user-valid,
.field textarea:user-valid,
.field input.user-valid-fallback,
.field textarea.user-valid-fallback {
  border-color: var(--clr-success);
}

.form-status {
  margin-block-start: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.form-status[hidden] {
  display: none;
}

.form-status.success {
  background-color: var(--clr-success-bg);
  color: var(--clr-success);
  border: 1px solid var(--clr-success);
}

/* Native Modal Dialogs & Popovers (light-dismiss-a-dialog & declarative-dialog-popover-control) */
dialog {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 0;
  max-inline-size: min(92vw, 38rem);
  inline-size: 100%;
  box-shadow: var(--shadow-lg);
  background-color: var(--clr-surface);
  color: var(--clr-text);
  overscroll-behavior: contain;
}

dialog::backdrop {
  background-color: rgba(15, 33, 60, 0.65);
  backdrop-filter: blur(3px);
}

.dialog-inner {
  padding: 1.75rem;
}

.dialog-header {
  display: flex;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  border-block-end: 1px solid var(--clr-border-subtle);
  padding-block-end: 1rem;
  margin-block-end: 1.25rem;
}

.dialog-header h2 {
  margin: 0;
  font-size: 1.4rem;
}

/* Popover styling with polyfill class compatibility */
[popover]:is(:popover-open, .\:popover-open) {
  display: block;
}

.quick-rates-popover {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  max-inline-size: 24rem;
  background-color: var(--clr-surface);
  color: var(--clr-text);
  box-shadow: var(--shadow-lg);
}

/* Footer */
.site-footer {
  background-color: var(--clr-primary-dark);
  color: #cbd5e1;
  padding-block: 3rem 2rem;
  border-block-start: 4px solid var(--clr-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 2rem;
  margin-block-end: 2rem;
}

.site-footer h3 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-block-end: 0.75rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: #fde68a;
  text-decoration: underline;
}

.footer-bottom {
  border-block-start: 1px solid rgba(255, 255, 255, 0.14);
  padding-block-start: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
}