/* ==========================================================================
   DESIGN SYSTEM - SLEEK LIGHT MODE PORTFOLIO
   ========================================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* CSS Variables */
:root {
  /* Color Palette */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;       /* Slate 900 */
  --text-secondary: #334155;     /* Slate 700 */
  --text-muted: #64748b;         /* Slate 500 */
  
  --accent-sapphire: #2563eb;    /* Pure Royal Blue */
  --accent-sapphire-rgb: 37, 99, 235;
  --accent-sapphire-hover: #1d4ed8;
  --accent-sapphire-light: #eff6ff;

  --accent-emerald: #10b981;     /* Pure Emerald Green */
  --accent-emerald-rgb: 16, 185, 129;
  --accent-emerald-hover: #059669;
  --accent-emerald-light: #ecfdf5;

  /* Borders & Shadows */
  --border-color: #e2e8f0;       /* Slate 200 */
  --border-hover: #cbd5e1;       /* Slate 300 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.04), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.06);

  /* Animation */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables Override */
[data-theme="dark"] {
  --bg-primary: #0a0b10;         /* Pure Deep Slate-Black */
  --bg-secondary: #12131a;       /* Dark Card/Panel Hue */
  --bg-tertiary: #1a1c26;        /* Highlight Hue */
  --text-primary: #f8fafc;       /* Slate 50 */
  --text-secondary: #cbd5e1;     /* Slate 300 */
  --text-muted: #94a3b8;         /* Slate 400 */
  
  --accent-sapphire-light: rgba(37, 99, 235, 0.15);
  --accent-emerald-light: rgba(16, 185, 129, 0.15);
  
  --border-color: #1e293b;       /* Dark Slate 700 */
  --border-hover: #334155;       /* Dark Slate 600 */
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   BASE & RESET STYLES
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

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

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================================================
   LAYOUT CONTAINERS & UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 7rem 0 3rem 0;
}

.section-title-wrapper {
  margin-bottom: 4rem;
  text-align: center;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: inline-block;
  position: relative;
  padding-bottom: 0.75rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 4px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--accent-sapphire), var(--accent-emerald));
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-top: 0.75rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Accent Gradients */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-sapphire), var(--accent-emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Clean Accent Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background-color: var(--accent-sapphire-light);
  color: var(--accent-sapphire);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-emerald {
  background-color: var(--accent-emerald-light);
  color: var(--accent-emerald);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  border-radius: var(--radius-md);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background-color: var(--accent-sapphire);
  color: var(--bg-primary);
  box-shadow: 0 4px 14px 0 rgba(var(--accent-sapphire-rgb), 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-sapphire-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(var(--accent-sapphire-rgb), 0.4);
}

.btn-secondary {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background-color: var(--bg-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
  height: 80px;
  display: flex;
  align-items: center;
}

.navbar.scrolled {
  height: 70px;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: var(--radius-full);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-item a {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.25rem 0;
}

.nav-item a:hover {
  color: var(--accent-sapphire);
}

/* Sliding underline animation */
.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-sapphire);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-left: 1.5rem;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-sapphire);
  color: var(--accent-sapphire);
  background-color: var(--bg-secondary);
  transform: scale(1.05);
}

.theme-toggle-btn .material-icons-outlined {
  font-size: 20px;
  transition: var(--transition-smooth);
}

/* Adjust navbar in dark mode to not be translucent white */
[data-theme="dark"] .navbar {
  background-color: rgba(10, 11, 16, 0.85);
}
[data-theme="dark"] .navbar.scrolled {
  background-color: rgba(10, 11, 16, 0.95);
}

/* Adjust vertical canvas styling in dark mode for premium glowing effect */
[data-theme="dark"] .visual-canvas::before {
  opacity: 0.15;
}
[data-theme="dark"] .visual-card {
  background-color: rgba(18, 19, 26, 0.85);
  border-color: rgba(255, 255, 255, 0.05);
}
[data-theme="dark"] .visual-card-line {
  background-color: var(--border-color);
}

/* ==========================================================================
   HERO / HEADER SECTION
   ========================================================================== */
.hero {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding-top: 100px;
  background: radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.03) 0%, transparent 40%),
              radial-gradient(circle at 10% 90%, rgba(16, 185, 129, 0.03) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

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

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  height: 2.2rem; /* Avoid layout shifts when typing */
  display: flex;
  align-items: center;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
}

/* Visual Illustration container */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.visual-canvas {
  width: 380px;
  height: 380px;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Geometric premium design grids */
.visual-canvas::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border-color) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 30px 30px;
  background-position: center;
  opacity: 0.4;
}

.visual-orb-1 {
  position: absolute;
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, var(--accent-sapphire), rgba(var(--accent-sapphire-rgb), 0.4));
  filter: blur(40px);
  border-radius: var(--radius-full);
  top: 20%;
  left: 20%;
  animation: floatOrb 8s ease-in-out infinite;
}

.visual-orb-2 {
  position: absolute;
  width: 160px;
  height: 160px;
  background: linear-gradient(135deg, var(--accent-emerald), rgba(var(--accent-emerald-rgb), 0.4));
  filter: blur(45px);
  border-radius: var(--radius-full);
  bottom: 20%;
  right: 20%;
  animation: floatOrb 10s ease-in-out infinite reverse;
}

.visual-card {
  position: relative;
  z-index: 10;
  width: 260px;
  padding: 1.5rem;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.visual-card-line {
  height: 6px;
  background-color: var(--border-color);
  border-radius: var(--radius-full);
}

.visual-card-line.short { width: 40%; }
.visual-card-line.medium { width: 70%; }
.visual-card-line.long { width: 90%; }
.visual-card-line.accent-blue { background-color: var(--accent-sapphire); width: 55%; }
.visual-card-line.accent-green { background-color: var(--accent-emerald); width: 75%; }

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.1); }
}

/* ==========================================================================
   ABOUT & SKILLS SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4.5rem;
  align-items: flex-start;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-details p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

.skills-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skills-header {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1rem;
}

.skill-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: var(--transition-smooth);
}

.skill-card:hover {
  background-color: var(--bg-primary);
  border-color: var(--accent-sapphire);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.skill-icon {
  width: 40px;
  height: 40px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.skill-card:hover .skill-icon {
  color: var(--accent-sapphire);
  transform: scale(1.1);
}

.skill-card.emerald-hover:hover {
  border-color: var(--accent-emerald);
}
.skill-card.emerald-hover:hover .skill-icon {
  color: var(--accent-emerald);
}

.skill-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* ==========================================================================
   EXPERIENCE / TIMELINE SECTION
   ========================================================================== */
.experience {
  background-color: var(--bg-secondary);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding: 2rem 0;
}

/* Central vertical timeline bar */
.timeline::before {
  content: '';
  position: absolute;
  left: 31px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: 4rem;
}

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

/* Bullet node points */
.timeline-dot {
  position: absolute;
  left: 20px;
  top: 6px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--bg-primary);
  border: 4px solid var(--accent-sapphire);
  z-index: 10;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.2);
  border-color: var(--accent-emerald);
  box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.15);
}

.timeline-content {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-content {
  border-color: var(--accent-sapphire);
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-company {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--accent-sapphire);
  font-weight: 600;
  font-size: 0.95rem;
}

.timeline-date {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-tertiary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.timeline-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

.timeline-desc ul {
  list-style-position: inside;
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-desc li {
  margin-left: 0.5rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   GITHUB PROJECTS SECTION
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  min-height: 250px;
  position: relative;
}

/* Premium Project Card */
.project-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 260px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: transparent;
  transition: var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-sapphire);
  box-shadow: var(--shadow-xl);
}

.project-card:hover::before {
  background-color: var(--accent-sapphire);
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.project-folder-icon {
  color: var(--accent-sapphire);
}

.project-link {
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.project-card:hover .project-link {
  color: var(--accent-sapphire);
}

.project-link:hover {
  color: var(--accent-sapphire-hover) !important;
  transform: scale(1.1);
}

.project-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
}

.project-stat-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.project-stat-item svg {
  width: 16px;
  height: 16px;
}

.project-lang {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-color {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
}

/* Loading Skeleton State */
.skeleton-card {
  pointer-events: none;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
}

.skeleton-item {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loadingSkeleton 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

.skeleton-icon { width: 40px; height: 40px; }
.skeleton-title { width: 60%; height: 24px; margin-bottom: 1rem; }
.skeleton-text-1 { width: 90%; height: 14px; margin-bottom: 0.5rem; }
.skeleton-text-2 { width: 80%; height: 14px; margin-bottom: 1.5rem; }
.skeleton-footer { width: 50%; height: 16px; }

/* Dynamic Error / Empty Alert */
.error-alert {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.error-title {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.error-desc {
  color: var(--text-muted);
  max-width: 500px;
}

/* ==========================================================================
   CONTACT / SOCIAL SECTION
   ========================================================================== */
.contact {
  background-color: var(--bg-secondary);
}

.contact-card {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.contact-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-desc {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

/* Unique interactive email utility card */
.email-copier {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  margin-bottom: 2.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.email-copier:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-sapphire);
}

.email-address {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.email-copy-icon {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: var(--transition-fast);
}

.email-copier:hover .email-copy-icon {
  color: var(--accent-sapphire);
}

.email-copied-toast {
  font-size: 0.85rem;
  color: var(--accent-emerald);
  font-weight: 600;
  display: none;
  align-items: center;
  gap: 0.25rem;
}

/* Social links icons line */
.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-btn {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.social-btn:hover {
  background-color: var(--accent-sapphire);
  color: var(--bg-primary);
  border-color: var(--accent-sapphire);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2);
}

.social-btn.emerald-hover:hover {
  background-color: var(--accent-emerald);
  border-color: var(--accent-emerald);
  box-shadow: 0 5px 15px rgba(16, 185, 129, 0.2);
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  background-color: var(--bg-primary);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-credits {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
}

/* ==========================================================================
   MOBILE & RESPONSIVE STYLES
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .hero-title {
    font-size: 3rem;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .visual-canvas {
    width: 320px;
    height: 320px;
  }
  .visual-card {
    width: 220px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 5rem 0 2rem 0;
  }
  .section-title {
    font-size: 2rem;
  }
  .nav-links {
    display: none; /* Can be toggleable in JS later */
  }
  .mobile-menu-btn {
    display: block;
  }
  .timeline::before {
    left: 17px;
  }
  .timeline-item {
    padding-left: 50px;
  }
  .timeline-dot {
    left: 6px;
  }
  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .timeline-date {
    margin-top: 0.25rem;
  }
  .contact-card {
    padding: 2rem 1.5rem;
  }
  .email-address {
    font-size: 0.95rem;
  }
  .footer-content {
    flex-direction: column;
  }
}