/* ============================================
   FUTURISTIC PORTFOLIO - MAIN STYLESHEET
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #86af49;
  --color-secondary: #b5e7a0;
  --color-accent: #e3eaa7;
  --color-bg: #000000;
  --color-bg-secondary: #0a0a0a;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-surface-hover: rgba(134, 175, 73, 0.08);
  --color-border: rgba(134, 175, 73, 0.15);
  --color-text: #e3eaa7;
  --color-text-muted: #d5e1df;
  --color-text-dim: #86af49;
  --font-display: 'Orbitron', sans-serif;
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;
  --glass-bg: rgba(0, 0, 0, 0.75);
  --glass-border: rgba(134, 175, 73, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --neon-glow: 0 0 20px rgba(134, 175, 73, 0.35);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 12px;
  --radius-lg: 20px;
  --navbar-height: 70px;
}

[data-theme="light"] {
  --color-bg: #f0f4f8;
  --color-bg-secondary: #e2e8f0;
  --color-surface: rgba(0, 0, 0, 0.03);
  --color-surface-hover: rgba(0, 0, 0, 0.06);
  --color-border: rgba(0, 0, 0, 0.08);
  --color-text: #1e293b;
  --color-text-muted: #475569;
  --color-text-dim: #94a3b8;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --neon-glow: 0 0 20px rgba(134, 175, 73, 0.2);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

ul { list-style: none; }

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  z-index: 10000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 10px;
}

/* --- Custom Cursor --- */
.cursor-dot, .cursor-outline {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
}

.cursor-outline {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-primary);
  opacity: 0.5;
}

.cursor-outline.cursor-hover {
  width: 60px;
  height: 60px;
  background: rgba(134, 175, 73, 0.1);
  border-color: var(--color-accent);
}

.cursor-dot.cursor-hover {
  transform: translate(-50%, -50%) scale(0.5);
}

/* --- Scroll Progress --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 10001;
  transition: width 0.1s linear;
}

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

/* --- Loader --- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.6s, visibility 0.6s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
}

.loader-ring {
  width: 60px;
  height: 60px;
  border: 3px solid transparent;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

.loader-ring-2 {
  width: 40px;
  height: 40px;
  border-top-color: var(--color-accent);
  animation-direction: reverse;
  animation-duration: 0.8s;
  margin-top: -50px;
}

.loader-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.loader-dots::after {
  content: '';
  animation: dots 1.5s infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Glass Card --- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glass-card:hover {
  border-color: rgba(134, 175, 73, 0.3);
  box-shadow: var(--neon-glow), var(--glass-shadow);
}

/* --- Section --- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-primary);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 1px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Reveal Animations --- */
.reveal-up, .reveal-left, .reveal-right, .reveal-scale {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-scale { transform: scale(0.9); }

.revealed {
  opacity: 1 !important;
  transform: translate(0) scale(1) !important;
}

.stagger-in {
  animation: staggerIn 0.6s ease forwards;
}

@keyframes staggerIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(134, 175, 73, 0.35);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-full { width: 100%; justify-content: center; }

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 1000;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 2px;
}

.logo-bracket { color: var(--color-primary); }
.logo-text { color: var(--color-accent); }

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  padding: 4px 0;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  text-align: center;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 16px;
  transition: color var(--transition);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--color-primary);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--navbar-height);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-greeting {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--color-text), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-titles {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 20px;
  min-height: 2.5rem;
}

.typing-cursor {
  animation: blink 1s infinite;
  color: var(--color-primary);
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(134, 175, 73, 0.3);
}

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  transition: transform 0.3s ease;
}

.hero-image-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(134, 175, 73, 0.3), transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

.hero-image-ring {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--color-primary);
  border-right-color: var(--color-accent);
  animation: spin 8s linear infinite;
}

.hero-image {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  border: 3px solid var(--color-border);
  animation: float 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-floating-icons {
  position: absolute;
  inset: 0;
}

.float-icon {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: floatIcon 3s ease-in-out infinite;
  animation-delay: var(--delay);
  transition: transform 0.3s ease;
}

.float-icon i.devicon {
  font-size: 1.6rem;
}

.float-icon:nth-child(1) { top: 10%; left: 5%; }
.float-icon:nth-child(2) { top: 20%; right: 0; }
.float-icon:nth-child(3) { bottom: 20%; left: 0; }
.float-icon:nth-child(4) { bottom: 10%; right: 5%; }

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-dim);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--color-text-dim);
  border-radius: 12px;
  position: relative;
}

.scroll-mouse::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
  animation: scrollWheel 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scrollWheel {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 20px; }
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-summary {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 30px;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-detail {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.about-detail:hover {
  border-color: rgba(134, 175, 73, 0.3);
  transform: translateX(5px);
}

.about-detail i {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-top: 4px;
}

.about-detail h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.about-detail p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  padding: 30px 24px;
  text-align: center;
  transition: transform var(--transition);
}

.stat-card:hover { transform: translateY(-5px); }

.stat-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

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

.skill-card {
  padding: 28px;
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.skill-card-header i {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.skill-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.skill-name {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.skill-name i {
  margin-right: 8px;
  vertical-align: middle;
}

.skill-name i.devicon {
  font-size: 1.15rem;
}

.skill-name i:not(.devicon) {
  color: var(--color-primary);
}

.skill-card-header i.devicon {
  font-size: 1.5rem;
}

.skill-card-header i:not(.devicon) {
  color: var(--color-primary);
}

.social-link i.devicon {
  font-size: 1.2rem;
}

.contact-icon i.devicon {
  font-size: 1.3rem;
}

.github-card h3 i.devicon {
  font-size: 1.2rem;
  margin-right: 4px;
}

/* GitHub icon - white on dark theme */
.devicon-github-original {
  filter: brightness(0) invert(1);
}

[data-theme="light"] .devicon-github-original {
  filter: none;
}

.skill-percent {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
}

.skill-bar {
  height: 6px;
  background: var(--color-surface);
  border-radius: 3px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 3px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  right: 0;
  top: -2px;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent);
}

/* --- Timeline --- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  width: 50%;
  padding: 0 40px;
}

.timeline-item:nth-child(odd) {
  margin-left: 0;
  padding-right: 40px;
  text-align: right;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding-left: 40px;
}

.timeline-dot {
  position: absolute;
  top: 20px;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 15px rgba(134, 175, 73, 0.5);
  z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot { right: -8px; }
.timeline-item:nth-child(even) .timeline-dot { left: -8px; }

.timeline-content {
  padding: 28px;
}

.timeline-period {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 1px;
}

.timeline-content h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin: 8px 0;
}

.timeline-company {
  color: var(--color-primary);
  font-size: 1rem;
  margin-bottom: 12px;
}

.timeline-company i { margin-right: 6px; }

.timeline-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.timeline-section {
  margin-top: 16px;
  text-align: left;
}

.timeline-section h5 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.timeline-section ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.timeline-section li { margin-bottom: 4px; }

.achievements-list { list-style: none !important; padding-left: 0 !important; }
.achievements-list li i { color: #fbbf24; margin-right: 6px; }

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  padding: 4px 12px;
  background: rgba(134, 175, 73, 0.1);
  border: 1px solid rgba(134, 175, 73, 0.2);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--color-primary);
}

.edu-grade {
  color: var(--color-accent) !important;
  font-weight: 600;
}

.edu-grade i { margin-right: 6px; }

/* --- Projects --- */
.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(134, 175, 73, 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 550px));
  justify-content: center;
  gap: 28px;
}

.project-card {
  overflow: hidden;
  width: 100%;
  max-width: 550px;
  margin: 0 auto;
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.project-category {
  padding: 4px 12px;
  background: var(--project-color, var(--color-primary));
  border-radius: 20px;
  font-size: 0.8rem;
  color: #fff;
  font-weight: 600;
}

.project-body {
  padding: 24px;
}

.project-body h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.project-body > p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
  line-height: 1.6;
}

.project-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.project-features span {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.project-features i {
  color: var(--color-accent);
  margin-right: 6px;
  font-size: 0.75rem;
}

.project-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

/* --- Certifications Slider --- */
.cert-slider {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cert-track-wrapper {
  overflow: hidden;
  flex: 1;
}

.cert-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cert-slide {
  min-width: 100%;
  padding: 0 10px;
}

.cert-card {
  display: flex;
  gap: 30px;
  padding: 30px;
  align-items: center;
}

.cert-image {
  flex-shrink: 0;
  width: 200px;
  height: 150px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.cert-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-info h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.cert-org, .cert-date {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.cert-org i, .cert-date i {
  color: var(--color-primary);
  margin-right: 8px;
}

/* --- Achievements --- */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.achievement-card {
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition);
}

.achievement-card:hover { transform: translateY(-8px) scale(1.02); }

.achievement-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(134, 175, 73, 0.2), rgba(181, 231, 160, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
}

.achievement-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.achievement-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}

.service-card:hover { transform: translateY(-8px); }

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.service-glow {
  position: absolute;
  bottom: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(134, 175, 73, 0.15), transparent 70%);
  transition: bottom 0.5s ease;
}

.service-card:hover .service-glow { bottom: -30%; }

/* --- GitHub Stats --- */
.github-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.github-card {
  padding: 24px;
}

.github-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.github-card h3 i { color: var(--color-primary); }

.contribution-graph {
  display: flex;
  gap: 3px;
  overflow-x: auto;
  padding: 4px 0;
}

.contrib-week {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contrib-cell {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--color-surface);
}

.contrib-cell.level-1 { background: rgba(134, 175, 73, 0.2); }
.contrib-cell.level-2 { background: rgba(134, 175, 73, 0.4); }
.contrib-cell.level-3 { background: rgba(134, 175, 73, 0.6); }
.contrib-cell.level-4 { background: rgba(134, 175, 73, 0.9); }

.repo-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.gh-stat {
  text-align: center;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius);
}

.gh-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

.gh-stat span:last-child {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.streak-stats {
  display: flex;
  justify-content: space-around;
  text-align: center;
}

.streak-flame {
  font-size: 2rem;
  color: #f97316;
  margin-bottom: 8px;
  animation: flicker 1.5s infinite;
}

.streak-best { color: #fbbf24; }

@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.streak-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.streak-item span:last-child {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.lang-item { margin-bottom: 14px; }

.lang-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

.lang-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 8px;
}

.lang-bar {
  height: 8px;
  background: var(--color-surface);
  border-radius: 4px;
  overflow: hidden;
}

.lang-progress {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease;
}

/* --- Slider Controls --- */
.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition);
  flex-shrink: 0;
}

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

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  transition: all var(--transition);
  padding: 0;
}

.dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 5px;
}

/* --- Testimonials --- */
.testimonial-slider {
  max-width: 700px;
  margin: 0 auto;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 10px;
}

.testimonial-card {
  padding: 40px;
  text-align: center;
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
}

.testimonial-author h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 30px;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: center;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(134, 175, 73, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-text-dim);
  margin-bottom: 2px;
}

.contact-item a, .contact-item span {
  color: var(--color-text);
  font-size: 0.95rem;
}

/* Form */
.contact-form {
  padding: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(134, 175, 73, 0.2);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.form-error {
  display: block;
  color: #ef4444;
  font-size: 0.8rem;
  margin-top: 4px;
  min-height: 18px;
}

.form-success {
  text-align: center;
  padding: 20px;
  margin-top: 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius);
  color: #10b981;
  animation: fadeIn 0.5s ease;
}

.form-success i {
  font-size: 2rem;
  margin-bottom: 8px;
  display: block;
}

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

/* --- Footer --- */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 300px;
}

.footer-links h4, .footer-social h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.footer-links li { margin-bottom: 8px; }

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-social-icons {
  display: flex;
  gap: 12px;
}

.footer-social-icons a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: 0.85rem;
}

.footer-credit {
  margin-top: 8px;
}

.footer-credit i { color: #ef4444; }

/* --- FAB --- */
.fab-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 900;
}

.fab {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  box-shadow: 0 4px 20px rgba(134, 175, 73, 0.4);
  transition: all var(--transition);
}

.fab:hover { transform: scale(1.1); }

.fab-main {
  position: relative;
  z-index: 2;
}

.fab-main.open { transform: rotate(45deg); }

.fab-menu {
  position: absolute;
  bottom: 60px;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
}

.fab-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fab-item {
  width: 44px;
  height: 44px;
  font-size: 0.9rem;
}

/* --- Color Picker --- */
.color-picker {
  position: fixed;
  bottom: 100px;
  right: 30px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 16px;
  z-index: 900;
  box-shadow: var(--glass-shadow);
}

.color-picker p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  text-align: center;
}

.color-options {
  display: flex;
  gap: 8px;
}

.color-option {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.color-option.active {
  border-color: #fff;
  transform: scale(1.15);
}

.color-option:hover { transform: scale(1.1); }

/* --- Selection --- */
::selection {
  background: rgba(134, 175, 73, 0.3);
  color: var(--color-text);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-secondary); }

#testimonials {
  display: none;
}