/* Google-inspired Design System */
:root {
  /* Colors */
  --bg-color: #FFFFFF;
  --bg-light: #F8F9FA;
  --surface-variant: #F0F4F9; /* Grigio-blu di Google Workspace/Cloud */
  --primary-accent: #0B57D0; /* Blu Google Material 3 */
  --primary-hover: #0842A0;
  --text-dark: #1F1F1F; /* Grigio scuro Google */
  --text-light: #474747; /* Grigio medio Google */
  --border-color: #DADCE0; /* Colore bordi standard Google */
  --google-blue: #0B57D0;
  --google-red: #EA4335;
  --google-yellow: #FBBC05;
  --google-green: #34A853;
  
  /* Typography */
  --font-family: 'Roboto', 'Inter', sans-serif;
  --font-headers: 'Outfit', sans-serif;
  
  /* Shapes & Shadows (Material 3 standard) */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 28px;
  --box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
  --box-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-smooth: all 0.25s cubic-bezier(0.2, 0, 0, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headers);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}

p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--primary-hover);
}

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

/* Material Symbols Integration */
.material-symbols-outlined {
  font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
}

/* Typography Utilities */
.text-center { text-align: center; }

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5rem 0;
}

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

/* Buttons (Material 3 style) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 100px;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary-accent);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #FFFFFF;
  box-shadow: 0 1px 3px 1px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: rgba(11, 87, 208, 0.04);
  color: var(--primary-hover);
  border-color: var(--primary-accent);
}

.btn-tonal {
  background-color: #D3E3FD;
  color: #041E49;
}

.btn-tonal:hover {
  background-color: #C1D8FB;
}

/* Header & Navigation */
.site-header {
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

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

.header-brand {
  flex: 1;
  display: flex;
  align-items: center;
}

.main-nav {
  flex: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.header-actions {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-dark);
  padding: 8px;
}

.logo {
  font-family: var(--font-headers);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.5px;
  display: inline-flex;
  align-items: center;
}

.blinking-cursor {
  font-weight: 300;
  color: var(--primary-accent);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a:not(.btn) {
  position: relative;
  display: inline-block;
  padding: 0.6rem 1.25rem;
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 50px;
  background-color: transparent;
  transition: var(--transition-smooth);
}

.nav-links a:not(.btn):hover,
.nav-links a:not(.btn):focus {
  color: var(--text-dark);
  background-color: rgba(31, 31, 31, 0.06);
}

.nav-links a:not(.btn).active {
  color: var(--primary-accent);
  background-color: #E8F0FE; /* Pillola attiva in stile Google Workspace */
  font-weight: 600;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* Hero Section */
.hero {
  padding: 6rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 90%;
  color: var(--text-light);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image-wrapper {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-light);
  aspect-ratio: 4/3;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

/* Services Teaser */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.service-card {
  background-color: var(--bg-color);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-hover);
  background-color: #FAFBFD;
}

.service-icon {
  width: 56px;
  height: 56px;
  background-color: #E8F0FE;
  color: var(--primary-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-icon svg,
.service-icon .material-symbols-outlined {
  width: 24px;
  height: 24px;
  font-size: 24px;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  margin-top: 1rem;
}

.section-link:hover {
  gap: 0.75rem; /* slight arrow move effect */
}

/* Services Tabs Layout */
.services-tabs-section {
  background-color: var(--bg-color);
}

.services-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  font-family: var(--font-headers);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-light);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  background-color: rgba(31, 31, 31, 0.04);
  color: var(--text-dark);
}

.tab-btn.active {
  color: var(--primary-accent);
  background-color: #E8F0FE;
}

.tab-btn .material-symbols-outlined {
  font-size: 1.25rem;
}

/* Tab content and transitions */
.services-tabs-content {
  position: relative;
  min-height: 400px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeInSlideUp 0.4s cubic-bezier(0.2, 0, 0, 1) forwards;
}

@keyframes fadeInSlideUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subgrid for cards under each tab */
.services-subgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

/* Responsive adjustment for tabs */
@media (max-width: 768px) {
  .services-tabs-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    border-bottom: none;
    padding-bottom: 0;
  }
  .tab-btn {
    justify-content: center;
    padding: 1rem;
  }
}

/* About Me Snippet */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  border-radius: 24px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-image:hover {
  transform: translateY(-4px);
  border-color: var(--primary-accent);
  box-shadow: 0 12px 30px rgba(11, 87, 208, 0.15);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-image:hover img {
  transform: scale(1.06);
}

.about-content h2 {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
}

.about-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

/* Featured Work */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  margin-bottom: 2rem;
}

.portfolio-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
}

.portfolio-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-hover);
}

.portfolio-image {
  width: 100%;
  aspect-ratio: 16/10;
  background-color: var(--bg-light);
  overflow: hidden;
  position: relative;
}

.portfolio-image .placeholder {
  width: 100%;
  height: 100%;
  background: var(--surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-weight: bold;
  font-size: 1.25rem;
  transition: transform var(--transition-smooth);
  height: 300px;
}

.portfolio-card:hover .portfolio-image .placeholder {
  transform: scale(1.05);
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-info {
  padding: 2rem;
}

.portfolio-info h3 {
  font-family: var(--font-headers);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.portfolio-category {
  font-size: 0.85rem;
  color: var(--primary-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

/* Core Values (Why Choose Me) */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.value-item {
  padding: 2rem;
  background-color: var(--bg-color);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.value-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-hover);
}

.value-item h3 {
  font-family: var(--font-headers);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Contact Form CTA */
.contact-cta {
  background-color: var(--surface-variant);
  padding: 4rem 3rem;
  border-radius: var(--border-radius-xl);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  border: 1px solid var(--border-color);
}

.contact-cta h2 {
  font-family: var(--font-headers);
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

.contact-cta > p {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
}

.contact-form {
  display: grid;
  gap: 1.5rem;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-weight: 500;
  color: var(--text-light);
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.form-group:focus-within label {
  color: var(--primary-accent);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--text-dark);
  background-color: var(--bg-color);
  transition: border-color 0.2s ease;
}

.form-control:hover {
  border-color: var(--text-dark);
}

.form-control:focus {
  outline: none;
  border: 2px solid var(--primary-accent);
  padding: 0.82rem 1.22rem;
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

#form-messages {
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.5rem;
  font-weight: 500;
  border: 1px solid transparent;
  display: none;
  text-align: left;
}

.form-message-success {
  background-color: #E6F4EA;
  color: #137333;
  border-color: #CEEAD6;
}

.form-message-error {
  background-color: #FCE8E6;
  color: #C5221F;
  border-color: #FAD2CF;
}

/* Footer */
.site-footer {
  background-color: var(--bg-light);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  flex-direction: column;
  text-align: left; /* Changed from center */
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  width: 100%;
}

.copyright {
  color: #5F6368;
  font-size: 0.875rem;
}

/* Media Queries */
@media (max-width: 992px) {
  .hero-content h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .hero-grid, .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-content p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .about-content h2 {
    font-size: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-light);
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    border-radius: 0 0 16px 16px;
    z-index: 999;
  }
  
  .nav-links.active {
    display: flex;
    gap: 1.5rem;
  }

  .mobile-menu-btn {
    display: block;
  }
  
  .header-actions .btn {
    display: none; /* Hide top CTA to keep header clean */
  }
  
  .mobile-only-cta {
    display: block !important; /* Show CTA inside hamburger menu */
  }
  
  .contact-cta {
    padding: 3rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }
  .hero-buttons .btn {
    width: 100%;
  }
}

/* --- ANIMATIONS --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Subtle float animation for images */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

.float-anim {
  animation: float 6s ease-in-out infinite;
}

/* --- ACCESSIBILITY (A11Y) & RESPONSIVE IMPROVEMENTS --- */

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary-accent);
  color: #fff;
  padding: 12px 24px;
  z-index: 1001;
  transition: top 0.3s ease;
  border-bottom-right-radius: var(--border-radius-md);
  font-weight: 600;
}
.skip-link:focus {
  top: 0;
}

/* Global Focus States for Screen Readers & Keyboard Nav */
:focus-visible {
  outline: 3px solid var(--primary-accent);
  outline-offset: 3px;
}

/* Fluid Typography for Mobile-First Scaling */
h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem) !important;
}
h2 {
  font-size: clamp(2rem, 4vw, 2.5rem) !important;
}

/* Mobile Touch Target Fixes (min 48px height) */
.btn {
  padding: 1rem 1.75rem !important; /* Forces 48px+ min height */
}
.mobile-menu-btn {
  padding: 12px; /* 24px SVG + 24px padding = 48px tap target */
}

/* --- FOOTER --- */
.site-footer {
  background-color: var(--bg-light);
  color: var(--text-dark);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.site-footer h4 {
  color: var(--text-dark);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}

.footer-brand p {
  color: #5F6368;
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 1rem;
}

.footer-grid-5 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr 1fr;
  gap: 2rem;
  text-align: left;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a,
.footer-contact-list a,
.footer-contact-list {
  color: #5F6368;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s;
}

.footer-links-list a:hover,
.footer-contact-list a:hover {
  color: var(--primary-accent);
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: #5F6368;
}

.footer-contact-list svg {
  flex-shrink: 0;
  color: var(--primary-accent);
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  color: #5F6368;
  transition: color 0.3s, transform 0.3s;
}

.social-icons a:hover {
  color: var(--primary-accent);
  transform: translateY(-2px);
}

.footer-bottom {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: #5F6368;
  font-size: 0.875rem;
}

.footer-partners {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #5F6368;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
}

@media (max-width: 1024px) {
  .footer-grid-5 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .footer-grid-5 {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}

/* --- Timeline System --- */
.timeline-section {
  background-color: var(--bg-light);
  overflow: hidden;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  margin-bottom: 4rem;
  box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 3.5rem;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 3.5rem;
}

.timeline-dot {
  position: absolute;
  top: 2rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--primary-accent);
  border: 4px solid var(--card-bg, #ffffff);
  box-shadow: 0 0 0 2px var(--border-color);
  z-index: 2;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -9px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -9px;
}

.timeline-card {
  background-color: var(--card-bg, #ffffff);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  z-index: 1;
}

.timeline-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-accent);
}

/* Color dot green on hover */
.timeline-card:hover ~ .timeline-dot {
  background-color: var(--google-green);
  transform: scale(1.2);
}

.timeline-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1.0rem;
  background-color: #E8F0FE;
  color: var(--primary-accent);
  font-family: 'Outfit', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  margin-bottom: 1.25rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.timeline-card:hover .timeline-badge {
  background-color: var(--primary-accent);
  color: #ffffff;
}

.timeline-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.timeline-meta {
  font-size: 0.95rem;
  color: #5F6368;
  margin-bottom: 0.75rem;
  font-weight: 500;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.timeline-desc {
  font-size: 0.95rem;
  color: #5F6368;
  line-height: 1.6;
  margin: 0;
}

/* --- Mobile Responsiveness for Timeline --- */
@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
    transform: none;
  }

  .timeline-item {
    width: 100%;
    margin-bottom: 3rem;
  }

  .timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 0;
    padding-left: 3.5rem;
  }

  .timeline-item:nth-child(even) {
    left: 0;
    padding-left: 3.5rem;
  }

  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 11px;
    right: auto;
  }
}

.timeline-dot.dot-future {
  background-color: var(--google-yellow);
}

/* --- CONTACT SPLIT LAYOUT & CHATBOT --- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  max-width: 1100px;
  margin: 3rem auto 0 auto;
  align-items: stretch;
}

.contact-box {
  background-color: var(--bg-light);
  padding: 3rem 2.5rem;
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Chatbot container styles */
.chat-container {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 520px;
  max-height: 550px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition-smooth);
}

.chat-container:hover {
  box-shadow: var(--box-shadow-hover);
}

.chat-header {
  background-color: var(--surface-variant);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-accent);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.chat-header-info h3 {
  font-size: 1rem;
  margin-bottom: 0.1rem;
  color: var(--text-dark);
}

.chat-header-info span {
  font-size: 0.75rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.chat-header-info span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--google-green);
  border-radius: 50%;
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: var(--bg-light);
}

.chat-message {
  max-width: 85%;
  padding: 0.85rem 1.15rem;
  border-radius: var(--border-radius-md);
  font-size: 0.95rem;
  line-height: 1.5;
  animation: messageFadeIn 0.3s cubic-bezier(0.2, 0, 0, 1) forwards;
}

@keyframes messageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-message.bot {
  background-color: var(--surface-variant);
  color: var(--text-dark);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-message.user {
  background-color: var(--primary-accent);
  color: #FFFFFF;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-typing {
  align-self: flex-start;
  background-color: var(--surface-variant);
  padding: 0.85rem 1.15rem;
  border-radius: var(--border-radius-md);
  border-bottom-left-radius: 4px;
  display: flex;
  gap: 0.25rem;
  align-items: center;
  margin-top: 0.5rem;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  background-color: var(--text-light);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out;
}

.chat-typing span:nth-child(1) { animation-delay: 0s; }
.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

.chat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem 1rem 1.5rem;
  background-color: var(--bg-light);
}

.chat-chips:empty {
  display: none;
  padding: 0;
}

.chat-chip {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chat-chip:hover {
  background-color: var(--surface-variant);
  border-color: var(--primary-accent);
  color: var(--primary-accent);
}

.chat-input-area {
  display: flex;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  gap: 0.75rem;
  background-color: var(--bg-color);
}

.chat-input {
  flex: 1;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: var(--primary-accent);
}

.chat-send-btn {
  background-color: var(--primary-accent);
  color: #FFFFFF;
  border: none;
  border-radius: var(--border-radius-sm);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chat-send-btn:hover {
  background-color: var(--primary-hover);
}

@media (max-width: 992px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .contact-box {
    padding: 2.5rem 1.5rem;
  }
}