/* ============================================
   Portfolio CV - Design System
   Palette: Verde Naturale / Earthy Green
   ============================================ */

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

:root {
  /* Palette */
  --color-primary: #005F02;
  --color-secondary: #427A43;
  --color-highlight: #C0B87A;
  --color-cream: #F2E3BB;
  --color-bg-dark: #1a1f16;
  --color-bg-card: #252b20;
  --color-bg-sidebar: #1c2218;
  --color-bg-section: #212820;
  --color-text-primary: #f0ede4;
  --color-text-secondary: #a8a48c;
  --color-border: #3a3f34;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --sidebar-left-width: 280px;
  --sidebar-right-width: 300px;

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

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Shadows */
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.4);

  /* Chat Widget */
  --chat-width: 380px;
  --chat-height: 520px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Interactive Circuit Canvas */
#circuitCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

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

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

/* ============================================
   Left Sidebar (Fixed)
   ============================================ */

.sidebar-left {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-left-width);
  height: 100vh;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--color-bg-sidebar) 0%, #1a2116 100%);
  border-right: 1px solid rgba(192, 184, 122, 0.12);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

/* Profile */
.profile-section {
  text-align: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.profile-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 3px solid var(--color-primary);
  object-fit: cover;
  margin: 0 auto var(--space-md);
  display: block;
  background: var(--color-bg-card);
  box-shadow: 0 0 0 0 rgba(0, 95, 2, 0.4);
  animation: profile-glow 3s ease-in-out infinite;
}

@keyframes profile-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(0, 95, 2, 0.3), 0 0 20px rgba(0, 95, 2, 0.1); }
  50% { box-shadow: 0 0 16px rgba(0, 95, 2, 0.5), 0 0 40px rgba(0, 95, 2, 0.15); }
}

.profile-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-cream);
}

.profile-role {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
  line-height: 1.4;
}

.profile-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-highlight);
  margin-top: var(--space-sm);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Navigation */
.sidebar-nav {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-secondary);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-cream);
  background: rgba(0, 95, 2, 0.15);
  border-left-color: var(--color-primary);
}

/* Contacts */
.sidebar-contacts {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.78rem;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
  word-break: break-all;
}

.contact-link:hover {
  color: var(--color-highlight);
}

.contact-link svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

/* Social Icons */
.sidebar-socials {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.social-icon svg {
  width: 18px;
  height: 18px;
}

/* Sidebar Footer */
.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-lg);
}

.sidebar-credit {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  opacity: 0.6;
}

/* Sidebar Scrollbar */
.sidebar-left::-webkit-scrollbar,
.sidebar-right::-webkit-scrollbar {
  width: 4px;
}

.sidebar-left::-webkit-scrollbar-thumb,
.sidebar-right::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

/* ============================================
   Right Sidebar (Fixed)
   ============================================ */

.sidebar-right {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--sidebar-right-width);
  height: 100vh;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--color-bg-sidebar) 0%, #1a2116 100%);
  border-left: 1px solid rgba(192, 184, 122, 0.12);
  padding: var(--space-xl) var(--space-lg);
  z-index: 100;
}

.sidebar-section {
  margin-bottom: var(--space-lg);
  background: rgba(37, 43, 32, 0.5);
  border: 1px solid rgba(58, 63, 52, 0.6);
  border-radius: 12px;
  padding: var(--space-md);
  opacity: 0;
  transform: translateX(20px);
  animation: sidebar-slide-in 0.5s ease-out forwards;
}

.sidebar-section:nth-child(1) { animation-delay: 0.2s; }
.sidebar-section:nth-child(2) { animation-delay: 0.4s; }
.sidebar-section:nth-child(3) { animation-delay: 0.6s; }
.sidebar-section:nth-child(4) { animation-delay: 0.8s; }

@keyframes sidebar-slide-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Sidebar section hover highlight */
.sidebar-section:hover {
  border-color: rgba(192, 184, 122, 0.25);
  background: rgba(37, 43, 32, 0.7);
  transition: all var(--transition-base);
}

.sidebar-heading {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-highlight);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-md);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.timeline-item:hover {
  background: rgba(0, 95, 2, 0.15);
  border-left: 2px solid rgba(66, 122, 67, 0.5);
  padding-left: calc(var(--space-sm) - 2px);
}

.timeline-item:hover .timeline-dot {
  box-shadow: 0 0 8px rgba(0, 95, 2, 0.6);
  transform: scale(1.3);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-lg) + 3px);
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg-card);
  transition: all var(--transition-fast);
}

.timeline-period {
  font-size: 0.7rem;
  color: var(--color-highlight);
  font-weight: 600;
}

.timeline-role {
  font-size: 0.85rem;
  color: var(--color-cream);
  font-weight: 600;
  margin-top: 2px;
}

.timeline-company {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Education Cards */
.education-card {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.education-card:hover {
  background: rgba(192, 184, 122, 0.06);
  border-bottom-color: transparent;
}

.education-card:last-child {
  border-bottom: none;
}

.edu-year {
  font-size: 0.7rem;
  color: var(--color-highlight);
  font-weight: 600;
}

.edu-degree {
  font-size: 0.82rem;
  color: var(--color-cream);
  font-weight: 500;
  margin-top: 2px;
}

.edu-school {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
}

/* Highlight Pills */
.highlight-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.pill {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(192, 184, 122, 0.12);
  color: var(--color-highlight);
  border: 1px solid rgba(192, 184, 122, 0.25);
  transition: all var(--transition-fast);
  cursor: default;
}

.pill:hover {
  background: rgba(192, 184, 122, 0.25);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(192, 184, 122, 0.15);
}

/* Language Items */
.language-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  font-size: 0.82rem;
}

.lang-name {
  color: var(--color-cream);
}

.lang-level {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
}

/* ============================================
   Mobile Header
   ============================================ */

.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-bg-sidebar);
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  padding: 0 var(--space-md);
  z-index: 101;
  justify-content: space-between;
}

.hamburger-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-cream);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar-overlay.active {
  display: block;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
  margin-left: var(--sidebar-left-width);
  margin-right: var(--sidebar-right-width);
  min-height: 100vh;
  padding: var(--space-2xl) var(--space-xl);
}

/* Section Styles */
.section {
  margin-bottom: var(--space-2xl);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-xl);
}

/* Section Divider - decorative bar between panels */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2xl);
  gap: var(--space-sm);
}

.section-divider::before,
.section-divider::after {
  content: '';
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, transparent, var(--color-border));
}

.section-divider::after {
  background: linear-gradient(90deg, var(--color-border), transparent);
}

.section-divider span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  opacity: 0.6;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-cream);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
  background-color: var(--color-bg-card);
  background-image: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(0, 95, 2, 0.12) 50%, rgba(192, 184, 122, 0.06) 100%);
  background-size: 200% 200%;
  animation: hero-gradient 8s ease infinite;
  border-radius: 16px;
  padding: var(--space-3xl) var(--space-xl);
  margin-bottom: var(--space-2xl);
  border: 1px solid var(--color-border);
}

@keyframes hero-gradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-greeting {
  color: var(--color-highlight);
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-name {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-cream);
  margin: var(--space-sm) 0;
  line-height: 1.2;
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--color-secondary);
  font-weight: 500;
}

.hero-description {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  max-width: 600px;
}

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

.highlight-card {
  text-align: center;
  padding: var(--space-md);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.highlight-card:hover {
  border-color: var(--color-highlight);
}

.highlight-number {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-highlight);
}

.highlight-label {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
  display: block;
}

/* ============================================
   About Section
   ============================================ */

.about-content p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

/* ============================================
   Experience Section
   ============================================ */

.experience-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.experience-card {
  background: linear-gradient(135deg, #2a3224 0%, #252b20 100%);
  border: 1px solid rgba(66, 122, 67, 0.3);
  border-left: 3px solid var(--color-primary);
  border-radius: 12px;
  padding: var(--space-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.experience-card:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #263228 0%, #242e22 100%);
  box-shadow: 0 6px 24px rgba(0, 95, 2, 0.2), var(--shadow-hover);
  border-color: rgba(66, 122, 67, 0.5);
  border-left-color: var(--color-secondary);
}

.exp-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.exp-logo {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  object-fit: contain;
  background: white;
  padding: 6px;
  flex-shrink: 0;
}

.exp-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-cream);
}

.exp-company {
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-top: 2px;
}

.exp-period {
  font-size: 0.75rem;
  color: var(--color-highlight);
  font-weight: 600;
  display: inline-block;
  margin-top: 4px;
  padding: 2px 8px;
  background: rgba(192, 184, 122, 0.1);
  border-radius: 4px;
}

.exp-details {
  list-style: none;
  padding: 0;
}

.exp-details li {
  padding: var(--space-xs) 0;
  padding-left: var(--space-md);
  position: relative;
  font-size: 0.85rem;
  color: #c8c4b0;
  line-height: 1.6;
}

.exp-details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ============================================
   Projects Section
   ============================================ */

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

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 95, 2, 0.2), var(--shadow-hover);
  border-color: var(--color-secondary);
}

/* Project card with live link */
.project-card-live {
  cursor: pointer;
}

.project-link-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.project-card-live:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 32px rgba(0, 95, 2, 0.35), var(--shadow-hover);
}

/* Project Status Badges */
.project-status {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 3;
}

.status-private {
  background: rgba(140, 30, 30, 0.85);
  color: #fca5a5;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(200, 60, 60, 0.4);
}

.status-live {
  background: rgba(0, 95, 2, 0.85);
  color: #a0f5a0;
  backdrop-filter: blur(4px);
  animation: glow-badge 2s ease-in-out infinite alternate;
}

.status-active {
  background: rgba(192, 184, 122, 0.85);
  color: #1a1f16;
  backdrop-filter: blur(4px);
  font-weight: 800;
}

@keyframes glow-badge {
  from { box-shadow: 0 0 4px rgba(0, 95, 2, 0.4); }
  to { box-shadow: 0 0 12px rgba(0, 95, 2, 0.8); }
}

/* Project Credentials */
.project-credentials {
  font-size: 0.72rem;
  color: var(--color-highlight);
  margin-top: var(--space-xs);
  padding: 4px 8px;
  background: rgba(192, 184, 122, 0.08);
  border-radius: 6px;
  border: 1px dashed rgba(192, 184, 122, 0.3);
}

.external-link-icon {
  vertical-align: middle;
  margin-left: 4px;
  opacity: 0.6;
}

.project-image {
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.project-image-placeholder {
  font-size: 2.5rem;
  opacity: 0.3;
}

.project-body {
  padding: var(--space-md);
}

.project-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-sm);
}

.project-description {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.tag {
  font-size: 0.68rem;
  padding: 3px 10px;
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: 0.3px;
  background: rgba(0, 95, 2, 0.15);
  color: var(--color-secondary);
  border: 1px solid rgba(66, 122, 67, 0.25);
  transition: all var(--transition-fast);
}

/* Language/Framework tags - vibrant green */
.tag-lang {
  background: rgba(0, 95, 2, 0.2);
  color: #6fcf6f;
  border-color: rgba(0, 160, 0, 0.3);
}

/* Tool/Platform tags - highlight gold */
.tag-tool {
  background: rgba(192, 184, 122, 0.12);
  color: var(--color-highlight);
  border-color: rgba(192, 184, 122, 0.25);
}

/* Domain/Business tags - cream accent */
.tag-domain {
  background: rgba(242, 227, 187, 0.1);
  color: var(--color-cream);
  border-color: rgba(242, 227, 187, 0.2);
}

/* ============================================
   Skills Section
   ============================================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-md);
}

.subsection-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-cream);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition-base);
}

.skill-card:hover {
  border-color: var(--color-highlight);
  transform: translateY(-2px);
}

.skill-icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
}

.skill-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-cream);
}

.skill-detail {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* ============================================
   Passions Section
   ============================================ */

.passions-section {
  background: linear-gradient(135deg, var(--color-bg-section) 0%, rgba(0, 95, 2, 0.1) 100%);
  border-radius: 16px;
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.passions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}

.passion-card {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.passion-card:hover {
  border-color: var(--color-primary);
  background: rgba(0, 95, 2, 0.1);
  transform: translateY(-3px);
}

.passion-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.passion-card h4 {
  font-size: 0.95rem;
  color: var(--color-cream);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.passion-card p {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  text-align: center;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.site-footer p {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.footer-note {
  margin-top: var(--space-xs);
  opacity: 0.6;
  font-size: 0.7rem !important;
}

/* ============================================
   Chat Widget
   ============================================ */

.chat-widget {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 1000;
}

/* Toggle Button */
.chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--color-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 95, 2, 0.4);
  transition: all var(--transition-base);
  position: relative;
}

.chat-toggle:hover {
  background: var(--color-secondary);
  transform: scale(1.05);
}

.chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #e74c3c;
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Chat Window */
.chat-window {
  position: absolute;
  bottom: calc(56px + var(--space-md));
  right: 0;
  width: var(--chat-width);
  height: var(--chat-height);
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.9) translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  transform-origin: bottom right;
}

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

/* Chat Header */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  flex-shrink: 0;
}

.header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: white;
}

.chat-header h2 {
  font-size: 0.9rem;
  font-weight: 600;
}

.chat-header .subtitle {
  font-size: 0.7rem;
  opacity: 0.8;
  margin-top: 1px;
}

.header-actions {
  display: flex;
  gap: 6px;
}

.btn-lang,
.btn-clear {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: white;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.72rem;
  transition: background var(--transition-fast);
}

.btn-lang:hover,
.btn-clear:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Chat Messages */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-messages::-webkit-scrollbar {
  width: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.message {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.5;
  font-size: 0.83rem;
  word-wrap: break-word;
}

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

.message-bot {
  align-self: flex-start;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 4px;
  color: var(--color-text-primary);
}

.message-error {
  align-self: center;
  background: #7f1d1d;
  border: 1px solid #991b1b;
  color: #fca5a5;
  font-size: 0.78rem;
  text-align: center;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  align-self: flex-start;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-secondary);
  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% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

/* Chat Input */
.chat-input-area {
  padding: 10px 12px;
  background: var(--color-bg-sidebar);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.chat-form {
  display: flex;
  gap: 8px;
}

#messageInput {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  font-size: 0.83rem;
  font-family: var(--font-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

#messageInput:focus {
  border-color: var(--color-primary);
}

#messageInput::placeholder {
  color: var(--color-text-secondary);
}

#sendBtn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: var(--color-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

#sendBtn:hover {
  background: var(--color-secondary);
}

#sendBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Staggered animation for child cards */
.reveal.visible .project-card,
.reveal.visible .experience-card,
.reveal.visible .skill-card,
.reveal.visible .passion-card {
  opacity: 0;
  animation: stagger-in 0.5s ease-out forwards;
}

.project-card.reveal.visible {
  opacity: 0;
  animation: stagger-in 0.5s ease-out forwards;
}

.experience-card.reveal.visible {
  opacity: 0;
  animation: stagger-in 0.5s ease-out forwards;
}

/* Stagger delays for grid children */
.reveal.visible .skill-card:nth-child(1),
.reveal.visible .passion-card:nth-child(1) { animation-delay: 0s; }
.reveal.visible .skill-card:nth-child(2),
.reveal.visible .passion-card:nth-child(2) { animation-delay: 0.08s; }
.reveal.visible .skill-card:nth-child(3),
.reveal.visible .passion-card:nth-child(3) { animation-delay: 0.16s; }
.reveal.visible .skill-card:nth-child(4),
.reveal.visible .passion-card:nth-child(4) { animation-delay: 0.24s; }
.reveal.visible .skill-card:nth-child(5) { animation-delay: 0.32s; }
.reveal.visible .skill-card:nth-child(6) { animation-delay: 0.4s; }
.reveal.visible .skill-card:nth-child(7) { animation-delay: 0.48s; }
.reveal.visible .skill-card:nth-child(8) { animation-delay: 0.56s; }

/* Stagger for individual reveal cards */
.project-card.reveal:nth-child(1) { transition-delay: 0s; }
.project-card.reveal:nth-child(2) { transition-delay: 0.1s; }
.project-card.reveal:nth-child(3) { transition-delay: 0.2s; }
.project-card.reveal:nth-child(4) { transition-delay: 0.3s; }
.project-card.reveal:nth-child(5) { transition-delay: 0.4s; }
.project-card.reveal:nth-child(6) { transition-delay: 0.5s; }

.experience-card.reveal:nth-child(1) { transition-delay: 0s; }
.experience-card.reveal:nth-child(2) { transition-delay: 0.15s; }
.experience-card.reveal:nth-child(3) { transition-delay: 0.3s; }

@keyframes stagger-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Highlight card counter animation */
.highlight-card {
  transition: all var(--transition-base);
}

.highlight-card:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Chat toggle pulse animation */
.chat-toggle {
  animation: chat-pulse 3s ease-in-out infinite;
}

.chat-toggle:hover {
  animation: none;
}

@keyframes chat-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(0, 95, 2, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(0, 95, 2, 0.7), 0 0 50px rgba(0, 95, 2, 0.2); }
}

/* Smooth nav link transitions */
.nav-link {
  position: relative;
  overflow: hidden;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .reveal.visible .skill-card,
  .reveal.visible .passion-card,
  .project-card.reveal.visible,
  .experience-card.reveal.visible { animation: none; opacity: 1; }
  .hero-section { animation: none; }
  .profile-photo { animation: none; }
  .chat-toggle { animation: none; }
  .status-live { animation: none; }
  .sidebar-section { opacity: 1; transform: none; animation: none; }
}

/* ============================================
   Responsive: Tablet Landscape (<=1200px)
   ============================================ */

@media (max-width: 1200px) {
  .sidebar-right {
    display: none;
  }

  .main-content {
    margin-right: 0;
  }

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

/* ============================================
   Responsive: Tablet Portrait (<=1024px)
   ============================================ */

@media (max-width: 1024px) {
  .sidebar-left {
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .sidebar-left.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: var(--space-lg) var(--space-md);
    padding-top: 80px;
  }

  .mobile-header {
    display: flex;
  }
}

/* ============================================
   Responsive: Mobile (<=768px)
   ============================================ */

@media (max-width: 768px) {
  .hero-section {
    padding: var(--space-xl) var(--space-md);
  }

  .hero-name {
    font-size: 1.8rem;
  }

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

  .projects-grid {
    grid-template-columns: 1fr;
  }

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

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

  .passions-section {
    padding: var(--space-xl) var(--space-md);
  }

  .chat-window {
    width: calc(100vw - 32px);
    height: 65vh;
    right: calc(-1 * var(--space-lg) + 16px);
  }
}

/* ============================================
   Responsive: Small Mobile (<=480px)
   ============================================ */

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

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .passions-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .chat-widget {
    bottom: var(--space-md);
    right: var(--space-md);
  }

  .main-content {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}