/* ============================================================
   Rishon Biochem - Main Stylesheet
   Version: 2.0 | AI-Optimized | SEO-Enhanced | Responsive
   ============================================================ */

/* ---------- CSS Variables / Theme System ---------- */
:root {
  /* Brand Colors - PRESERVE original scheme */
  --color-primary: #2E7D32;       /* Forest Green - main brand */
  --color-primary-dark: #1B5E20;  /* Deep Green */
  --color-primary-light: #4CAF50; /* Light Green */
  --color-secondary: #1565C0;      /* Ocean Blue */
  --color-accent: #FF6F00;         /* Warm Orange - CTA */
  --color-bg: #FFFFFF;             /* Page background */
  --color-bg-alt: #F8FAF5;         /* Alternate section bg */
  --color-bg-dark: #1A1A1A;        /* Dark mode bg */
  --color-text: #212121;           /* Primary text */
  --color-text-secondary: #616161; /* Secondary text */
  --color-border: #E0E0E0;         /* Borders */
  --color-success: #43A047;
  --color-error: #E53935;
  --color-warning: #FB8C00;

  /* Typography */
  --font-primary: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.75rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --line-height: 1.6;

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

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-index layers */
  --z-header: 100;
  --z-dropdown: 200;
  --z-modal: 300;
  --z-chatbot: 400;
  --z-toast: 500;

  /* Header height */
  --header-height: 72px;

  /* Container max widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;
}

/* ---------- Dark / Light Theme ---------- */
[data-theme="dark"] {
  --color-bg: #1A1A1A;
  --color-bg-alt: #242424;
  --color-text: #E8E8E8;
  --color-text-secondary: #A0A0A0;
  --color-border: #333333;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
}

[data-theme="sepia"] {
  --color-bg: #F5E6D3;
  --color-bg-alt: #EDD9C0;
  --color-text: #5C3D2E;
  --color-text-secondary: #8B6E5A;
  --color-border: #D4B896;
  --color-primary: #8B4513;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Accessibility */
.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: -40px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  transition: top 0.3s;
}
.skip-link:focus { top: 0; }

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-dark); text-decoration: underline; }
a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

/* Lists */
ul, ol { list-style: none; }

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
}

/* Forms */
input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  color: var(--color-text);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

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); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p { margin-bottom: var(--space-md); }

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-accent { color: var(--color-accent); }

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

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-xl { max-width: var(--container-xl); }
.container-2xl { max-width: var(--container-2xl); }

.section {
  padding: var(--space-4xl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

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

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; align-items: center; }
.flex-col { flex-direction: column; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-header);
  transition: box-shadow var(--transition-base), background var(--transition-base);
}

[data-theme="dark"] .site-header {
  background: rgba(26,26,26,0.97);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.site-logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* Desktop Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(46,125,50,0.08);
  text-decoration: none;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: var(--space-md);
  padding-left: var(--space-md);
  border-left: 1px solid var(--color-border);
}

.lang-btn {
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.lang-btn.active,
.lang-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(46,125,50,0.06);
  text-decoration: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-md);
}

.menu-toggle span {
  display: block;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Mobile Navigation ---------- */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-xl);
    gap: var(--space-sm);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: calc(var(--z-header) - 1);
  }

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

  .nav-link {
    padding: var(--space-md);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }

  .lang-switcher {
    margin: var(--space-md) 0 0 0;
    padding: var(--space-md) 0 0 0;
    border-left: none;
    border-top: 1px solid var(--color-border);
  }

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

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 40%, #A5D6A7 100%);
  overflow: hidden;
}

.hero-dark {
  background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 40%, #388E3C 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 14px;
  background: rgba(255,255,255,0.85);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
}

.hero p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 560px;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(0,0,0,0.1);
}

.stat-item {}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* Hero Visual */
.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 55%;
  max-width: 700px;
  z-index: 1;
}

.hero-visual svg {
  width: 100%;
  height: auto;
}

/* Floating elements */
.hero-float {
  position: absolute;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 4px 16px rgba(46,125,50,0.35);
}

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

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: #E65100;
  border-color: #E65100;
  color: #fff;
}

.btn-sm { padding: 8px 18px; font-size: var(--font-size-xs); }
.btn-lg { padding: 16px 36px; font-size: var(--font-size-base); }

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: rgba(46,125,50,0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
  font-size: 1.5rem;
}

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

.card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* Product Card */
.product-card {
  overflow: hidden;
}

.product-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  background: var(--color-bg-alt);
}

.product-card-cas {
  display: inline-block;
  padding: 3px 10px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-family: monospace;
  margin-bottom: var(--space-sm);
}

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

.product-card-desc {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
}

.product-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.tag {
  padding: 4px 10px;
  background: rgba(46,125,50,0.08);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ---------- Section Headers ---------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: 0;
}

.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(46,125,50,0.1);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

/* ---------- About / Features ---------- */
.feature-icon-lg {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

/* ---------- Products Grid ---------- */
.products-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 8px 20px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text);
}

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

/* ---------- Contact Form ---------- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46,125,50,0.15);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: var(--space-xs);
}

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

/* ---------- FAQ Accordion ---------- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  text-align: left;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: var(--space-lg);
}

.faq-answer p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #1A2E1A;
  color: rgba(255,255,255,0.75);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  color: #fff;
  font-size: var(--font-size-xl);
  font-weight: 700;
  text-decoration: none;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.footer-heading {
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.4);
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Chatbot ---------- */
.chatbot-launcher {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-chatbot);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.chatbot-launcher:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-xl);
  background: var(--color-primary-dark);
}

.chatbot-launcher svg {
  width: 28px;
  height: 28px;
}

.chatbot-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  border: 2px solid #fff;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

.chatbot-window {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 380px;
  height: 560px;
  max-width: calc(100vw - 48px);
  max-height: calc(100vh - 120px);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: var(--z-chatbot);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-base);
}

.chatbot-window.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chatbot-header {
  padding: var(--space-lg);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.chatbot-header-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.chatbot-avatar {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.chatbot-name {
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.chatbot-status {
  font-size: var(--font-size-xs);
  opacity: 0.8;
}

.chatbot-close {
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.chatbot-close:hover { background: rgba(255,255,255,0.3); }

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  scroll-behavior: smooth;
}

.chat-msg {
  display: flex;
  gap: var(--space-sm);
  max-width: 85%;
  animation: msg-in 0.3s ease;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg.bot {
  align-self: flex-start;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 4px;
}

.chat-msg.user .chat-msg-avatar {
  background: var(--color-secondary);
}

.chat-msg-bubble {
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.chat-msg.bot .chat-msg-bubble {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-bottom-left-radius: var(--radius-sm);
}

.chat-msg.user .chat-msg-bubble {
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: var(--radius-sm);
}

.chat-msg-time {
  font-size: 10px;
  color: var(--color-text-secondary);
  margin-top: 4px;
  padding: 0 4px;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  background: var(--color-text-secondary);
  border-radius: var(--radius-full);
  animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

.chatbot-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.chat-suggestion {
  padding: 6px 12px;
  background: rgba(46,125,50,0.08);
  border: 1px solid rgba(46,125,50,0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.chatbot-input-area {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}

.chatbot-input {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  background: var(--color-bg);
  color: var(--color-text);
  resize: none;
  max-height: 120px;
  transition: border-color var(--transition-fast);
}

.chatbot-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.chatbot-send {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.chatbot-send:hover { background: var(--color-primary-dark); }
.chatbot-send:disabled { background: var(--color-border); cursor: not-allowed; }

/* Chat Suggestions */
.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 12px;
  margin-top: 4px;
}
.chat-suggestion {
  padding: 6px 12px;
  background: rgba(46, 125, 50, 0.08);
  border: 1px solid rgba(46, 125, 50, 0.2);
  border-radius: 14px;
  font-size: 0.78rem;
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.chat-suggestion:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

.chatbot-esc-note {
  padding: var(--space-sm) var(--space-lg);
  font-size: 10px;
  color: var(--color-text-secondary);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

/* ---------- Holiday Effects ---------- */
.holiday-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9998;
  overflow: hidden;
}

/* Snowflakes */
.holiday-snowflake {
  position: absolute;
  top: -20px;
  color: rgba(255,255,255,0.9);
  font-size: 1rem;
  animation: snowfall linear infinite;
  pointer-events: none;
  text-shadow: 0 0 4px rgba(100,150,255,0.5);
}

@keyframes snowfall {
  0% { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(360deg); opacity: 0.3; }
}

/* Lanterns (Chinese New Year) */
.holiday-lantern {
  position: absolute;
  top: 0;
  width: 40px;
  text-align: center;
  animation: lantern-sway 4s ease-in-out infinite alternate;
  pointer-events: none;
}

.holiday-lantern .lantern-body {
  font-size: 2.5rem;
  line-height: 1;
}

.holiday-lantern .lantern-string {
  display: block;
  width: 1px;
  height: 20px;
  background: #8B0000;
  margin: 0 auto;
}

@keyframes lantern-sway {
  0% { transform: rotate(-5deg); }
  100% { transform: rotate(5deg); }
}

/* Fireworks */
.holiday-firework {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  animation: firework-explode 1.5s ease-out forwards;
  pointer-events: none;
}

@keyframes firework-explode {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1); opacity: 1; }
  100% { transform: scale(3); opacity: 0; }
}

/* Petals (Cherry Blossom) */
.holiday-petal {
  position: absolute;
  top: -20px;
  color: rgba(255,182,193,0.7);
  font-size: 0.8rem;
  animation: petal-fall linear infinite;
  pointer-events: none;
}

@keyframes petal-fall {
  0% { transform: translateY(-20px) translateX(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) translateX(100px) rotate(360deg); opacity: 0; }
}

/* Moon / Mid Autumn */
.holiday-moon-glow {
  position: fixed;
  top: 20px;
  right: 40px;
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, #FFF9C4 0%, #FFD54F 40%, transparent 70%);
  border-radius: var(--radius-full);
  pointer-events: none;
  animation: moon-pulse 4s ease-in-out infinite;
  z-index: 9997;
}

@keyframes moon-pulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; }
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: calc(var(--z-chatbot) - 1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  font-size: 1.2rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ---------- Loading / Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-alt) 25%, var(--color-border) 50%, var(--color-bg-alt) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Cookie Banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-lg) var(--space-xl);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  font-size: var(--font-size-sm);
}

.cookie-banner.show { display: flex; }

.cookie-banner-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* ---------- Page Transitions ---------- */
.page-content {
  animation: page-in 0.4s ease;
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Animations on Scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Print Styles ---------- */
@media print {
  .site-header, .site-footer, .chatbot-launcher, .back-to-top, .cookie-banner { display: none !important; }
  body { color: #000; background: #fff; }
  .section { padding: 1rem 0; }
  a { color: #000; }
}

/* ---------- Responsive Grid Adjustments ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section { padding: var(--space-3xl) 0; }
  .container { padding: 0 var(--space-md); }
  .hero { min-height: auto; padding-top: calc(var(--header-height) + var(--space-2xl)); padding-bottom: var(--space-3xl); }
  .hero-visual { display: none; }
  .hero-stats { gap: var(--space-xl); }
  .form-row { grid-template-columns: 1fr; }
  .header-inner { padding: 0 var(--space-md); }
}

@media (max-width: 480px) {
  :root {
    --font-size-base: 15px;
  }
  .btn { width: 100%; justify-content: center; }
  .hero h1 { font-size: 1.75rem; }
}

/* ---------- Theme Switcher (Accessibility) ---------- */
.theme-switcher {
  position: fixed;
  top: calc(var(--header-height) + 12px);
  right: 24px;
  z-index: calc(var(--z-header) + 1);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
  color: var(--color-text);
}

.theme-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: scale(1.1);
}

/* ---------- Certification Badges ---------- */
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin: var(--space-xl) 0;
}

.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-width: 100px;
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.cert-badge-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: calc(var(--header-height) + var(--space-lg)) 0 var(--space-lg);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb-sep { opacity: 0.4; }

/* ---------- Tables ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.data-table th {
  background: var(--color-bg-alt);
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
}

.data-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.data-table tr:hover td {
  background: rgba(46,125,50,0.04);
}

/* ---------- Toast Notifications ---------- */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 12px);
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  pointer-events: auto;
  animation: toast-in 0.3s ease, toast-out 0.3s ease 2.7s forwards;
  max-width: 340px;
}

.toast.success { border-left: 4px solid var(--color-success); }
.toast.error { border-left: 4px solid var(--color-error); }
.toast.warning { border-left: 4px solid var(--color-warning); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  to { opacity: 0; transform: translateX(20px); }
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  backdrop-filter: blur(4px);
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modal-in 0.3s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body { padding: var(--space-xl); }
.modal-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* ---------- Utility Classes ---------- */
.hidden { display: none !important; }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }
.pt-0 { padding-top: 0 !important; }
.hidden-mobile { display: block; }
@media (max-width: 768px) { .hidden-mobile { display: none; } }

/* --- Extra styles for page templates --- */
.skip-link{position:absolute;top:-9999px;left:-9999px;z-index:9999;background:#fff;padding:8px 16px;color:var(--color-primary);border-radius:4px;text-decoration:none;font-weight:600}
.skip-link:focus{top:8px;left:8px}

/* Page header / breadcrumb */
.page-header{background:linear-gradient(135deg,#1B5E20,#2E7D32);padding:60px 0 40px;color:#fff;text-align:center}
.page-header h1{color:#fff;margin:0 0 12px;font-size:2.5rem}
.page-header p{color:rgba(255,255,255,0.85);font-size:1.05rem;max-width:600px;margin:0 auto 20px}
.breadcrumb{display:flex;align-items:center;gap:8px;justify-content:center;font-size:0.9rem;color:rgba(255,255,255,0.7);margin-top:16px}
.breadcrumb a{color:rgba(255,255,255,0.85);text-decoration:none}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{opacity:0.6}

/* Product grid (for category pages) */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}

/* Product card extras */
.product-card-img{display:block;width:100%;height:200px;overflow:hidden;border-radius:var(--radius-md);position:relative;background:var(--color-bg-alt)}
.product-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.product-card-img:hover img{transform:scale(1.05)}
.product-card-body{padding:16px 4px 4px}
.product-card-title{font-size:1rem;font-weight:600;margin:0 0 8px;line-height:1.4}
.product-card-title a{color:var(--color-text);text-decoration:none}
.product-card-title a:hover{color:var(--color-primary)}
.product-card-brief{color:var(--color-text-secondary);font-size:0.875rem;line-height:1.5;margin:0 0 12px}
.product-card-actions{margin-top:auto}

/* Card badge */
.card-badge{position:absolute;top:10px;right:10px;background:var(--color-accent);color:#fff;font-size:0.75rem;font-weight:600;padding:3px 10px;border-radius:var(--radius-full);z-index:2}

/* Page layout with sidebar */
.page-with-sidebar{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start}
@media(max-width:768px){.page-with-sidebar{grid-template-columns:1fr}}

/* Sidebar */
.sidebar{position:sticky;top:calc(var(--header-height) + 20px)}
.sidebar-widget{background:#fff;border-radius:var(--radius-md);box-shadow:0 1px 3px rgba(0,0,0,.08);padding:20px}
.sidebar-widget-title{font-size:.85rem;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;margin:0 0 12px;padding-bottom:8px;border-bottom:2px solid var(--color-primary)}
.sidebar-cat-list{list-style:none;margin:0;padding:0}
.sidebar-cat-list li{margin-bottom:2px}
.sidebar-cat-list li a{display:block;padding:7px 10px;border-radius:6px;color:var(--color-text);font-size:0.9rem;text-decoration:none;transition:all .2s}
.sidebar-cat-list li a:hover,.sidebar-cat-list li a.active{background:rgba(46,125,50,.08);color:var(--color-primary);font-weight:500}

/* Filter bar */
.filter-bar{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}

/* Loading state */
.loading{padding:40px;text-align:center;color:var(--color-text-secondary)}

/* Pagination */
.pagination{display:flex;gap:4px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 8px;border-radius:6px;font-size:0.9rem;text-decoration:none;transition:all .2s;border:1px solid var(--color-border);color:var(--color-text)}
.pagination a:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.pagination span{background:var(--color-primary);color:#fff;border-color:var(--color-primary);font-weight:600}

/* News card extras */
.news-card{display:flex;flex-direction:column}
.news-card-img{display:block;width:100%;height:180px;overflow:hidden;border-radius:var(--radius-md);margin-bottom:16px;background:var(--color-bg-alt)}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.news-card-img:hover img{transform:scale(1.05)}
.news-card-body{flex:1;padding:0}
.news-card-date{font-size:0.8rem;color:var(--color-text-secondary);margin-bottom:8px}
.news-card-title{font-size:1.1rem;font-weight:600;line-height:1.4;margin:0 0 8px}
.news-card-title a{color:var(--color-text);text-decoration:none}
.news-card-title a:hover{color:var(--color-primary)}
.news-card-excerpt{color:var(--color-text-secondary);font-size:0.9rem;line-height:1.6;margin:0 0 12px}
.news-card-link{color:var(--color-primary);font-size:0.9rem;font-weight:500;text-decoration:none;display:inline-flex;align-items:center;gap:4px}
.news-card-link:hover{text-decoration:underline}

/* Site logo extras */
.site-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--color-primary)}
.logo-text{font-size:1.2rem;font-weight:700;color:var(--color-text);line-height:1.2;display:flex;flex-direction:column}
.logo-sub{font-size:0.75rem;font-weight:400;color:var(--color-text-secondary)}

/* Lang switcher (if used) */
.lang-switcher{display:flex;align-items:center;gap:4px}

/* Back to top */
.back-to-top{position:fixed;bottom:80px;right:24px;width:44px;height:44px;background:var(--color-primary);color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;transition:opacity .3s;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.back-to-top.visible{opacity:1}
.back-to-top:hover{background:var(--color-primary-dark)}

/* Chatbot */
.chatbot-launcher{position:fixed;bottom:24px;right:24px;width:56px;height:56px;background:var(--color-primary);color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:1.4rem;z-index:1001;box-shadow:0 4px 16px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s}
.chatbot-launcher:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(0,0,0,.25)}
.chatbot-badge{position:absolute;top:-2px;right:-2px;width:14px;height:14px;background:#ef4444;border-radius:50%;border:2px solid #fff}

/* Reveal animation (if JS uses it) */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---------- Contact Page Redesign ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px}
.contact-card{background:#fff;border-radius:var(--radius-lg);padding:40px 28px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,0.06);border:1px solid var(--color-border);transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .35s,border-color .35s}
.contact-card:hover{transform:translateY(-8px);box-shadow:0 16px 48px rgba(46,125,50,.12);border-color:var(--color-primary-light)}
.contact-card-icon{width:68px;height:68px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:#fff;box-shadow:0 6px 18px rgba(46,125,50,.25)}
.contact-card-icon svg{width:28px;height:28px;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.contact-card-title{font-size:var(--font-size-lg);font-weight:700;margin:0 0 8px;color:var(--color-text)}
.contact-card-text{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.6;margin:0 0 14px;word-break:break-word}
.contact-card-link{color:var(--color-primary);font-weight:600;font-size:var(--font-size-sm);text-decoration:none;transition:color .2s}
.contact-card-link:hover{color:var(--color-primary-dark);text-decoration:underline}

.contact-form-card{background:#fff;border-radius:var(--radius-xl);padding:48px 56px;box-shadow:0 4px 24px rgba(0,0,0,0.04);border:1px solid var(--color-border);max-width:860px;margin:0 auto}
.contact-form-header{text-align:center;margin-bottom:36px}
.contact-form-header h2{font-size:var(--font-size-2xl);color:var(--color-text);margin:12px 0 8px}
.contact-form-header p{color:var(--color-text-secondary);font-size:var(--font-size-base);margin:0}
.contact-page .contact-form{max-width:none;margin:0}
.contact-page .btn-primary{min-width:220px}

@media(max-width:768px){
  .contact-cards{grid-template-columns:1fr;gap:16px;margin-bottom:32px}
  .contact-card{padding:32px 20px}
  .contact-form-card{padding:28px 20px;border-radius:var(--radius-lg)}
  .contact-form-header h2{font-size:var(--font-size-xl)}
}
@media(max-width:480px){
  .contact-card-icon{width:56px;height:56px}
  .contact-card-icon svg{width:24px;height:24px}
  .contact-page .btn-primary{width:100%}
}