/* CSS Design System for David Ruiz Urraca CV website */

/* -----------------------------------------
   1. Theme Variables & Reset
   ----------------------------------------- */
:root {
  /* Colors */
  --bg-primary: #0A1328;
  --bg-secondary: #0D1A39;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  /* Accents & Gradients */
  --accent-color: #3B82F6; /* Electric Blue */
  --accent-secondary: #8B5CF6; /* Kotlin Purple */
  --accent-green: #10B981; /* Android Green */
  --accent-cyan: #06B6D4; /* Flutter Cyan */
  
  /* Gradient Blends (Flutter + Kotlin / Android) */
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-color) 50%, var(--accent-secondary) 100%);
  --gradient-text: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #C084FC 100%);
  --gradient-glow: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);

  /* Glassmorphism Configuration */
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.05);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  --glass-blur: blur(20px);
  
  /* Typography */
  --font-title: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Transitions */
  --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.15s ease;
  
  /* Spacing & Sizes */
  --header-height: 80px;
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  overflow-x: hidden;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center top;
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

/* -----------------------------------------
   2. Background Animated Orbs
   ----------------------------------------- */
.bg-orb-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -100;
  overflow: hidden;
  pointer-events: none;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  mix-blend-mode: screen;
}

.orb-1 {
  top: -10%;
  left: 10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 80%);
  animation: floatOrb 25s infinite alternate ease-in-out;
}

.orb-2 {
  bottom: 10%;
  right: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 80%);
  animation: floatOrb 30s infinite alternate-reverse ease-in-out 2s;
}

.orb-3 {
  top: 40%;
  left: 50%;
  width: 35vw;
  height: 35vw;
  background: radial-gradient(circle, var(--accent-color) 0%, transparent 80%);
  animation: floatOrb 20s infinite alternate ease-in-out 4s;
}

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(5%, 10%) scale(1.1);
  }
  100% {
    transform: translate(-5%, -5%) scale(0.95);
  }
}

/* -----------------------------------------
   3. Typography & Utility Styles
   ----------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

strong {
  color: #fff;
  font-weight: 600;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.text-muted {
  color: var(--text-secondary);
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 40px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-title.compact {
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.scroll-offset {
  scroll-margin-top: var(--header-height);
}

/* -----------------------------------------
   4. Glassmorphism System & Cards
   ----------------------------------------- */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-2px);
}

/* Spotlight Hover Effect */
.spotlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    600px circle at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(255, 255, 255, 0.12),
    transparent 40%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 2;
}

/* Background Card Glow */
.spotlight-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: radial-gradient(
    400px circle at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(59, 130, 246, 0.04),
    transparent 50%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
}

@media (hover: hover) {
  .spotlight-card:hover::before {
    opacity: 1;
  }
  .spotlight-card:hover::after {
    opacity: 1;
  }
}

/* -----------------------------------------
   5. Buttons & Controls
   ----------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Skip Link (Accessibility) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--gradient-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  font-family: var(--font-title);
  font-weight: 600;
  z-index: 9999;
  transition: top 0.3s ease;
  box-shadow: var(--glass-shadow);
}

.skip-link:focus {
  top: 0;
  outline: none;
}

/* Focus Visible Styles (Keyboard Navigation) */
a:focus, button:focus, [tabindex]:focus {
  outline: none;
}

a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.5);
}

/* Language Switcher Styles */
.lang-switch-container {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  padding: 4px 10px;
  border-radius: 20px;
}

.lang-switch-btn {
  color: var(--text-secondary);
  transition: var(--transition-fast);
  padding: 2px 6px;
  border-radius: 4px;
}

.lang-switch-btn:hover {
  color: var(--text-primary);
}

.lang-switch-btn.active {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.lang-switch-divider {
  opacity: 0.3;
}

/* -----------------------------------------
   6. Header & Navbar
   ----------------------------------------- */
.glass-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(10, 19, 40, 0.7);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition-smooth);
}

.glass-header.scrolled {
  height: 65px;
  background: rgba(10, 19, 40, 0.85);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .gradient-text {
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-item:hover, .nav-item.active {
  color: var(--text-primary);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
  border-radius: 1px;
}

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

.btn-contact {
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.05);
}

.btn-contact:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.6);
}

.btn-contact::after {
  display: none;
}

.btn-cv {
  border-color: rgba(6, 182, 212, 0.3) !important;
  background: rgba(6, 182, 212, 0.05) !important;
}

.btn-cv:hover {
  background: rgba(6, 182, 212, 0.15) !important;
  border-color: rgba(6, 182, 212, 0.6) !important;
}

/* Mobile Menu Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* -----------------------------------------
   7. Hero Section
   ----------------------------------------- */
.hero-section {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 56px;
  position: relative;
}

/* First section after the hero sits closer to it */
#about.section-container {
  padding-top: 32px;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 60px;
  align-items: center;
}

.hero-avatar-wrapper {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--glass-shadow);
  z-index: 2;
  position: relative;
}

.avatar-glow {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: var(--gradient-primary);
  border-radius: 50%;
  z-index: 1;
  filter: blur(15px);
  opacity: 0.6;
  animation: pulseGlow 8s infinite alternate ease-in-out;
}

@keyframes pulseGlow {
  0% {
    transform: scale(0.98);
    opacity: 0.4;
  }
  100% {
    transform: scale(1.02);
    opacity: 0.7;
  }
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

#hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.3;
  /* Reserve space for up to 2 lines so a long dynamic role wrapping
     to a second line never shifts the rest of the page down. */
  min-height: calc(2 * 1.5rem * 1.3);
}

.cursor {
  animation: blinkCursor 0.8s infinite;
  font-weight: 300;
  margin-left: 2px;
}

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

.hero-lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

.social-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* -----------------------------------------
   8. About / Professional Profile
   ----------------------------------------- */
#about-card {
  padding: 40px;
}

.profile-highlight {
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.profile-highlight p strong {
  color: var(--text-primary);
}

.profile-highlight code {
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.95rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* -----------------------------------------
   9. Experience Timeline
   ----------------------------------------- */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 32px;
}

/* Vertical timeline line */
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan) 0%, var(--accent-secondary) 100%);
  opacity: 0.4;
}

.timeline-item {
  margin-bottom: 40px;
  padding: 30px;
  position: relative;
}

/* Timeline dot indicator */
.timeline-item::before {
  content: '';
  position: absolute;
  top: 36px;
  left: -32px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  z-index: 5;
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
  transition: var(--transition-smooth);
}

.timeline-item:hover::before {
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  transform: scale(1.15);
}

/* Specific accent matching on timeline items */
.timeline-item:nth-child(even)::before {
  border-color: var(--accent-secondary);
}
.timeline-item:nth-child(even):hover::before {
  background: var(--accent-secondary);
  box-shadow: 0 0 12px var(--accent-secondary);
}

.timeline-header {
  margin-bottom: 20px;
}

.timeline-duration {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 6px;
}

.timeline-item:nth-child(even) .timeline-duration {
  color: var(--accent-secondary);
}

.role-title {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.company-name {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.company-name a {
  color: #fff;
  border-bottom: 1px dashed rgba(255,255,255,0.3);
}

.company-name a:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.location-badge {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
}

.role-desc {
  color: var(--text-primary);
  margin-bottom: 16px;
  font-weight: 500;
}

.role-bullets {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}

.role-bullets li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.role-bullets li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent-cyan);
  font-size: 0.85rem;
}

.timeline-item:nth-child(even) .role-bullets li::before {
  color: var(--accent-secondary);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tags span {
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.tech-tags span:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Older Experiences Collapsible styles */
.collapse-trigger-container {
  display: flex;
  justify-content: center;
  margin: 30px 0 10px 0;
}

.btn-collapse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 0.95rem;
}

.arrow-icon {
  transition: transform 0.35s ease;
}

.btn-collapse.active .arrow-icon {
  transform: rotate(180deg);
}

.collapsed-experience {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0, 1, 0, 1);
}

.collapsed-experience.expanded {
  max-height: 2000px; /* arbitrary large value */
  transition: max-height 0.8s cubic-bezier(1, 0, 1, 0);
}

/* -----------------------------------------
   10. Projects Section
   ----------------------------------------- */
.section-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin: -24px 0 36px 0;
  max-width: 620px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.project-card {
  /* Per-card accent, overridden by modifier classes below */
  --proj-accent: var(--accent-color);
  --proj-accent-soft: rgba(59, 130, 246, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.project-card--cyan {
  --proj-accent: var(--accent-cyan);
  --proj-accent-soft: rgba(6, 182, 212, 0.14);
}

.project-card--purple {
  --proj-accent: var(--accent-secondary);
  --proj-accent-soft: rgba(139, 92, 246, 0.14);
}

.project-card--green {
  --proj-accent: var(--accent-green);
  --proj-accent-soft: rgba(16, 185, 129, 0.14);
}

/* Branded thumbnail (placeholder until a real screenshot is dropped in) */
.project-thumb {
  position: relative;
  height: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background:
    radial-gradient(120% 120% at 50% 0%, var(--proj-accent-soft) 0%, transparent 60%),
    var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass);
  overflow: hidden;
}

.project-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10, 19, 40, 0.4) 100%);
  pointer-events: none;
}

img.project-thumb {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.project-monogram {
  font-family: var(--font-title);
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--proj-accent);
  text-shadow: 0 0 24px var(--proj-accent-soft);
  line-height: 1;
}

.project-thumb-platform {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  background: rgba(10, 19, 40, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-glass);
  z-index: 2;
  transition: var(--transition-fast);
}

.project-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  transition: var(--transition-smooth);
}

.project-card--cyan .project-thumb-img,
.project-card--green .project-thumb-img {
  object-position: top;
}

.project-card:hover .project-thumb-img {
  opacity: 0.85;
  transform: scale(1.03);
}

.project-ribbon {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  color: #fff;
  background: var(--proj-accent-soft);
  border: 1px solid var(--proj-accent);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.project-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.project-meta {
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--proj-accent);
}

.project-title {
  font-size: 1.35rem;
  color: #fff;
  margin-top: -2px;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.project-desc code {
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.85rem;
  color: #fff;
}

.project-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  padding: 4px 0;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 14px 0;
}

.project-metric {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.project-metric strong {
  display: block;
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--text-primary);
  line-height: 1.2;
  text-transform: none;
  letter-spacing: -0.01em;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}

.project-link {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--proj-accent-soft);
  border: 1px solid var(--proj-accent);
  color: var(--text-primary);
}

.project-link:hover {
  filter: brightness(1.25);
  transform: translateY(-1px);
}

.project-link[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-glass);
  border-style: dashed;
}

.project-link--note {
  background: transparent;
  border: 1px dashed var(--border-glass);
  color: var(--text-muted);
  font-weight: 500;
}

/* -----------------------------------------
   11. Skills Section
   ----------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 600px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}


.skill-category-card {
  padding: 30px;
}

.skill-category-title {
  font-size: 1.25rem;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 10px;
  color: #fff;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-badge {
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.skill-badge:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.skill-badge.highlight {
  background: rgba(59, 130, 246, 0.05);
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--text-primary);
  font-weight: 500;
}

.skill-badge.highlight:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.15);
}

/* -----------------------------------------
   12. Education & Languages Section
   ----------------------------------------- */
.edu-lang-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
}

.edu-card, .lang-card {
  padding: 40px;
  display: flex;
  flex-direction: column;
}

.edu-item {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid rgba(255, 255, 255, 0.08);
}

.edu-degree {
  font-size: 1.25rem;
  margin: 6px 0 4px 0;
  color: #fff;
}

.edu-school {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.edu-details {
  color: var(--text-secondary);
}

/* Languages List & Level Indicators */
.lang-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
  height: 100%;
}

.lang-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lang-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.lang-name {
  font-weight: 600;
  color: #fff;
}

.lang-level {
  color: var(--text-secondary);
}

.lang-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
  overflow: hidden;
}

.lang-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
}

/* -----------------------------------------
   Now Section Styles
   ----------------------------------------- */
.now-card {
  padding: 40px;
}

.now-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.now-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-size: 1.1rem;
}

.now-lead {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 500;
}

.now-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.now-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.now-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}

/* -----------------------------------------
   Testimonials Section Styles
   ----------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.testimonial-stars {
  color: #FBBF24;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-secondary);
  font-style: italic;
  position: relative;
}

.testimonial-author {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-glass);
  padding-top: 16px;
}

.author-name {
  color: #fff;
  display: block;
}

.author-company {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* -----------------------------------------
   Speaking, Writing & Open Source Section Styles
   ----------------------------------------- */
.contributions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.contribution-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contribution-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.05);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(6, 182, 212, 0.15);
  flex-shrink: 0;
}

.contribution-card:nth-child(2) .contribution-icon {
  background: rgba(139, 92, 246, 0.05);
  color: var(--accent-secondary);
  border-color: rgba(139, 92, 246, 0.15);
}

.contribution-card:nth-child(3) .contribution-icon {
  background: rgba(16, 185, 129, 0.05);
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.15);
}

.contribution-title {
  font-size: 1.2rem;
  color: #fff;
}

.contribution-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* -----------------------------------------
   Interests Card
   ----------------------------------------- */
.interests-card {
  margin-top: 32px;
  padding: 40px;
}

.interests-list {
  display: flex;
  flex-direction: column;
}

.interest-item {
  display: flex;
  align-items: center;
  gap: 20px;
}

.interests-list .interest-item + .interest-item {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.interest-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.05);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(6, 182, 212, 0.15);
  flex-shrink: 0;
}

.interest-body {
  flex: 1;
}

.interest-title {
  font-size: 1.2rem;
  color: #fff;
  margin: 0 0 6px 0;
}

.interest-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

@media (max-width: 600px) {
  .interest-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

/* -----------------------------------------
   Skills Radar Chart Layout Styles
   ----------------------------------------- */
.radar-chart-container {
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 450px;
  margin: 50px auto 0 auto;
  width: 100%;
}

.radar-chart-wrapper {
  width: 100%;
  max-width: 390px;
  aspect-ratio: 1;
}

.radar-chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.radar-label {
  fill: var(--text-secondary);
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.radar-label--top {
  fill: var(--text-primary);
}

.radar-pct {
  font-size: 0.82em;
  fill: var(--text-muted);
}

.radar-polygon {
  animation: radarPulse 6s infinite ease-in-out;
  transform-origin: 160px 160px;
}

@keyframes radarPulse {
  0%, 100% {
    filter: drop-shadow(0 0 2px rgba(6, 182, 212, 0.2));
  }
  50% {
    filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.5));
  }
}


/* -----------------------------------------
   13. Contact Section
   ----------------------------------------- */
.contact-section {
  text-align: center;
}

.contact-card {
  padding: 50px 40px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-prompt {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.contact-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  text-align: left;
  max-width: 520px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.02);
  transition: var(--transition-smooth);
  position: relative;
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-glass);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.05);
  color: var(--accent-color);
  flex-shrink: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.contact-value:hover {
  color: var(--accent-color);
}

.btn-copy {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  margin-left: auto;
}

.btn-copy:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-copy.copied {
  color: var(--accent-green);
}

#copy-tooltip {
  position: absolute;
  top: -30px;
  right: 15px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.btn-copy:hover #copy-tooltip {
  opacity: 1;
}

/* -----------------------------------------
   14. Footer Section
   ----------------------------------------- */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 40px 24px;
  margin-top: 60px;
  text-align: center;
  background: rgba(5, 10, 25, 0.5);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-meta {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.15);
}

/* -----------------------------------------
   15. Responsive Layouts
   ----------------------------------------- */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-text {
    align-items: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .edu-lang-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  #hero-title {
    font-size: 2.75rem;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .section-container {
    padding: 60px 20px;
  }
  
  /* Mobile Hamburger Nav Menu */
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(10, 19, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    flex-direction: column;
    padding: 50px 24px;
    gap: 30px;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.3s ease;
    pointer-events: none;
    z-index: 999;
  }
  
  .nav-links.mobile-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav-item {
    font-size: 1.25rem;
    width: 100%;
    text-align: center;
    padding: 10px 0;
  }
  
  .btn-contact {
    width: 80%;
    margin: 0 auto;
  }
  
  /* Hamburger menu animations */
  .mobile-menu-toggle.active .menu-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .mobile-menu-toggle.active .menu-bar:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active .menu-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  /* Timeline lines modifications */
  .timeline {
    padding-left: 20px;
  }
  
  .timeline::before {
    left: 4px;
  }
  
  .timeline-item {
    padding: 20px;
  }
  
  .timeline-item::before {
    left: -24px;
    width: 12px;
    height: 12px;
    top: 24px;
  }
  
  .contact-details {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  #about-card, .edu-card, .lang-card {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  #hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.15rem;
    min-height: 64px; /* Accommodates 2-line wraps without pushing content */
  }

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

/* -----------------------------------------
   16. Reduced Motion Preferences
   ----------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .bg-orb,
  .avatar-glow,
  .status-dot,
  .cursor {
    animation: none !important;
  }

  .cursor {
    opacity: 1;
  }
}

/* -----------------------------------------
   16b. Reduced Data Preferences
   ----------------------------------------- */
@media (prefers-reduced-data: reduce) {
  .bg-orb-container,
  .avatar-glow,
  .bg-orb {
    display: none !important;
    animation: none !important;
  }
}

/* -----------------------------------------
   17. Print Stylesheet
   ----------------------------------------- */
@media print {
  :root {
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #4b5563;
  }

  body {
    background: #ffffff !important;
    color: #111827 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Hide chrome and decoration */
  .bg-orb-container,
  .glass-header,
  .mobile-menu-toggle,
  .avatar-glow,
  .hero-actions,
  .social-links,
  .status-badge,
  .collapse-trigger-container,
  .btn-copy,
  .footer-meta {
    display: none !important;
  }

  main.main-content,
  .section-container,
  .hero-section {
    padding: 12px 0 !important;
    min-height: auto !important;
  }

  .hero-section {
    padding-top: 0 !important;
  }

  .hero-container {
    grid-template-columns: 200px 1fr !important;
    gap: 24px !important;
  }

  .hero-avatar-wrapper {
    width: 160px;
    height: 160px;
  }

  /* Flatten glass effects for ink-friendly output */
  .glass-card,
  .glass-header,
  .contact-item {
    background: #ffffff !important;
    border: 1px solid #d1d5db !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    break-inside: avoid;
  }

  .gradient-text {
    -webkit-text-fill-color: #1d4ed8 !important;
    color: #1d4ed8 !important;
  }

  .skill-badge,
  .tech-tags span,
  .location-badge {
    background: #f3f4f6 !important;
    border: 1px solid #d1d5db !important;
    color: #374151 !important;
  }

  /* Always show older experience when printing */
  .collapsed-experience {
    max-height: none !important;
    overflow: visible !important;
  }

  a {
    color: #1d4ed8 !important;
  }

  .timeline-item {
    break-inside: avoid;
  }
}