/* ============================================================
   安心僱傭中心 — Pearl Minimal Palette
   No-Slop UI: clean, restrained, functional (Linear/Raycast/Stripe)
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --primary: #0066cc;
  --primary-hover: #0052a3;
  --primary-light: #e6f0fa;
  --secondary: #6610f2;
  --accent: #ff6b35;
  --accent-hover: #e55a2b;
  --text: #212529;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --border: #dee2e6;
  --border-light: #e9ecef;
  --focus-ring: #0066cc;
  --success: #198754;
  --danger: #dc3545;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-max: 12px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  --font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  --max-width: 1200px;
  --nav-height: 64px;
  --transition: 150ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--primary-hover);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 600;
  color: var(--text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.nav-logo:hover {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-bottom-color: var(--primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px var(--space-md);
  background: var(--accent);
  color: #fff !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  border: none;
  transition: background var(--transition);
}
.nav-cta:hover {
  background: var(--accent-hover);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

/* ============================================================
   HERO (index only — full-screen bg)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  margin-top: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: var(--space-2xl) var(--space-lg);
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.hero-content p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary-hover);
}

.btn-link {
  background: none;
  color: var(--primary);
  border: none;
  padding: 0;
  font-weight: 500;
}
.btn-link:hover {
  color: var(--primary-hover);
}

/* ============================================================
   SECTION COMMONS
   ============================================================ */
.section {
  padding: var(--space-3xl) 0;
}

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-body {
  padding: var(--space-lg);
}

.card-body h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.card-body p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-bottom: var(--space-sm);
}

/* ============================================================
   GRID LAYOUTS
   ============================================================ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* ============================================================
   WHY US / FEATURE CARDS
   ============================================================ */
.feature-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.feature-card .feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ============================================================
   NEWS / BLOG CARDS
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* ============================================================
   MISSION
   ============================================================ */
.mission-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.mission-content p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================================
   COLLABORATION / LOGOS
   ============================================================ */
.collab-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2xl);
}

.collab-logos .logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 60px;
  opacity: 0.5;
  transition: opacity var(--transition);
}
.collab-logos .logo-item:hover {
  opacity: 0.8;
}

.collab-logos svg {
  max-width: 100%;
  max-height: 100%;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* Contact info sidebar */
.contact-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-info-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-info-item .ci-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-size: 1.125rem;
}

.contact-info-item .ci-text strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text);
  margin-bottom: 2px;
}

.contact-info-item .ci-text span,
.contact-info-item .ci-text a {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* Hours table */
.hours-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-md);
}

.hours-table th,
.hours-table td {
  padding: 8px 12px;
  text-align: left;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--border-light);
}

.hours-table th {
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
}

.hours-table td {
  color: var(--text-secondary);
}

.hours-table tr:last-child th,
.hours-table tr:last-child td {
  border-bottom: none;
}

/* Map */
.map-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-lg);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
  font-size: var(--font-size-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-col h4 {
  color: #fff;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
}

.footer-col p,
.footer-col a,
.footer-col li {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  line-height: 2;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.about-hero h1 {
  margin-bottom: var(--space-sm);
}

.about-hero p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  max-width: 640px;
  margin: 0 auto;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

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

.team-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-md);
  border: 2px solid var(--border-light);
}

.team-card h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xs);
}

.team-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.cert-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.cert-card .cert-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.cert-card h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xs);
}

.cert-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================================
   SERVICES PAGE
   ============================================================ */
.services-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.services-hero h1 {
  margin-bottom: var(--space-sm);
}

.services-hero p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  max-width: 640px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.service-card {
  display: flex;
  gap: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: box-shadow var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
}

.service-card-img {
  flex-shrink: 0;
  width: 180px;
  height: 135px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.service-card-body h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.service-card-body p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ============================================================
   BLOG PAGE
   ============================================================ */
.blog-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.blog-hero h1 {
  margin-bottom: var(--space-sm);
}

.blog-hero p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  max-width: 640px;
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition);
  cursor: pointer;
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
}

.blog-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.blog-card-body {
  padding: var(--space-lg);
}

.blog-card-body .date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.blog-card-body h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.blog-card-body p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.pagination button {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.pagination button:hover:not(:disabled) {
  background: var(--bg);
  border-color: var(--primary);
  color: var(--primary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: default;
}

.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination .page-info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: 0 var(--space-sm);
}

/* Inline post view */
.post-detail {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-top: var(--space-xl);
}

.post-detail.active {
  display: block;
}

.post-detail .back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--primary);
  margin-bottom: var(--space-lg);
  cursor: pointer;
}
.post-detail .back-link:hover {
  color: var(--primary-hover);
}

.post-detail .post-date {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.post-detail h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-lg);
}

.post-detail .post-body {
  line-height: 1.8;
  color: var(--text-secondary);
}

.post-detail .post-body p {
  margin-bottom: var(--space-md);
}

.blog-list {
  transition: opacity var(--transition);
}

.blog-list.hidden {
  display: none;
}

/* ============================================================
   PAGE HEADER (generic for internal pages)
   ============================================================ */
.page-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  max-width: 640px;
  margin: 0 auto;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4, .team-grid, .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
    --font-size-3xl: 1.75rem;
    --font-size-4xl: 2rem;
    --space-3xl: 48px;
    --space-2xl: 32px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--surface);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform 200ms ease;
    overflow-y: auto;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: var(--font-size-base);
    padding: var(--space-sm) 0;
  }

  .grid-2, .grid-3, .services-grid, .blog-grid,
  .contact-split, .news-grid {
    grid-template-columns: 1fr;
  }

  .grid-4, .team-grid, .cert-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: var(--font-size-base);
  }

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

  .service-card-img {
    width: 100%;
    height: 200px;
  }

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

  .collab-logos .logo-item {
    width: 90px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .team-card img {
    width: 96px;
    height: 96px;
  }
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 999;
  width: 52px;
  height: 52px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover {
  background: #1ebe57;
  color: #fff;
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* ============================================================
   INLINE SVG MONOGRAMS (for collaboration logos)
   ============================================================ */
.monogram-circle {
  fill: var(--text-muted);
}

.monogram-text {
  fill: var(--bg);
  font-family: var(--font-family);
  font-weight: 700;
  font-size: 14px;
  text-anchor: middle;
  dominant-baseline: central;
}