/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
  /* Colors — rich dark theme */
  --bg-primary: #06060b;
  --bg-secondary: #0c0c14;
  --bg-tertiary: #111119;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.07);
  --bg-glass-border: rgba(255, 255, 255, 0.08);

  --text-primary: #e4e4ef;
  --text-secondary: #9494b0;
  --text-muted: #5a5a76;

  --accent-start: #7c6aff;
  --accent-mid: #5b8aff;
  --accent-end: #38bdf8;
  --accent-glow: rgba(124, 106, 255, 0.3);
  --accent-glow-strong: rgba(124, 106, 255, 0.55);

  --gradient-primary: linear-gradient(135deg, var(--accent-start), var(--accent-mid), var(--accent-end));
  --gradient-text: linear-gradient(135deg, #a78bfa, #7c6aff, #5b8aff, #38bdf8);

  --success: #22c55e;
  --error: #f43f5e;

  /* GitHub contribution colors */
  --contrib-0: rgba(255, 255, 255, 0.04);
  --contrib-1: rgba(124, 106, 255, 0.2);
  --contrib-2: rgba(124, 106, 255, 0.4);
  --contrib-3: rgba(124, 106, 255, 0.6);
  --contrib-4: rgba(124, 106, 255, 0.85);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-padding: 110px 0;
  --container-width: 1200px;

  /* Borders */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --shadow-glow-lg: 0 0 60px var(--accent-glow);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(124, 106, 255, 0.3);
  color: #fff;
}

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

ul {
  list-style: none;
}

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

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

.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.section {
  padding: var(--section-padding);
  position: relative;
}

/* ============================================
   MATRIX CANVAS (Background)
   ============================================ */
.matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* z-index: -1;
  opacity: 0.04; */
  /* z-index: 1; */
  opacity: 0.2;
  pointer-events: none;
}

/* ============================================
   CUSTOM CURSOR GLOW
   ============================================ */
.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 106, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

/* ============================================
   SECTION TITLES
   ============================================ */
.section-title {
  font-size: 2.8rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.title-decorator {
  color: var(--accent-start);
  font-family: var(--font-mono);
  font-weight: 500;
  margin-right: 0.3rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 4rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* ============================================
   GLASS CARD UTILITY
   ============================================ */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.glass-card .card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(124, 106, 255, 0.08) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.glass-card:hover .card-glow {
  opacity: 1;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 50px var(--accent-glow-strong);
}

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

.btn-outline:hover {
  border-color: var(--accent-start);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.85rem;
}

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

/* Ripple effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.25) 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform 0.5s, opacity 1s;
}

.ripple:active::after {
  transform: scale(0, 0);
  opacity: 0.3;
  transition: 0s;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(6, 6, 11, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--bg-glass-border);
  padding: 0.65rem 0;
}

.nav-container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

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

.nav-logo:hover {
  text-shadow: 0 0 20px var(--accent-glow);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.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);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

/* Dot grid background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent-start);
  border-radius: var(--radius-full);
  opacity: 0;
  animation: particleFloat 8s infinite ease-in-out;
}

@keyframes particleFloat {

  0%,
  100% {
    opacity: 0;
    transform: translateY(0) scale(0.5);
  }

  25% {
    opacity: 0.6;
  }

  50% {
    opacity: 0.3;
    transform: translateY(-120px) scale(1);
  }

  75% {
    opacity: 0.1;
  }
}

/* Animated glow orbs */
.hero-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero-glow-orb--1 {
  width: 500px;
  height: 500px;
  background: rgba(124, 106, 255, 0.12);
  top: -10%;
  left: -5%;
  animation-delay: 0s;
}

.hero-glow-orb--2 {
  width: 400px;
  height: 400px;
  background: rgba(56, 189, 248, 0.08);
  bottom: -10%;
  right: -5%;
  animation-delay: -4s;
}

.hero-glow-orb--3 {
  width: 300px;
  height: 300px;
  background: rgba(168, 85, 247, 0.08);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -8s;
}

@keyframes orbFloat {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -40px) scale(1.1);
  }

  66% {
    transform: translate(-20px, 30px) scale(0.9);
  }
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 90%;
  max-width: var(--container-width);
  position: relative;
  z-index: 2;
}

/* Hero Text */
.hero-content {
  padding: 0 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-mono);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 50px;
  color: var(--success);
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
  }

  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
  }
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--accent-start);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  font-family: var(--font-mono);
}

.hero-name {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-start) 70%, var(--accent-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2rem;
  font-family: var(--font-mono);
}

.typing-prefix {
  color: var(--accent-end);
}

.typing-text {
  color: var(--accent-start);
  font-weight: 600;
}

.cursor {
  color: var(--accent-start);
  animation: blink 0.8s steps(1) infinite;
  font-weight: 400;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2.2rem;
  line-height: 1.85;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-social {
  display: flex;
  gap: 0.8rem;
}

.social-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.social-icon:hover {
  color: #fff;
  border-color: var(--accent-start);
  background: rgba(124, 106, 255, 0.15);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* ============================================
   CODE EDITOR MOCKUP (Hero Right)
   ============================================ */
.hero-code {
  perspective: 1000px;
}

.code-window {
  background: rgba(12, 12, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(124, 106, 255, 0.08);
  transform: rotateY(-3deg) rotateX(2deg);
  transition: transform var(--transition-slow);
}

.code-window:hover {
  transform: rotateY(0deg) rotateX(0deg);
  box-shadow: var(--shadow-lg), 0 0 120px rgba(124, 106, 255, 0.12);
}

.code-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot--red {
  background: #ff5f57;
}

.dot--yellow {
  background: #febc2e;
}

.dot--green {
  background: #28c840;
}

.code-filename {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.code-actions {
  display: flex;
  gap: 0.8rem;
  color: var(--text-muted);
  font-size: 0.7rem;
}

.code-body {
  padding: 1.2rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-secondary);
  overflow: hidden;
  min-height: 340px;
}

.code-body code {
  white-space: pre;
}

/* Syntax Highlighting Classes — applied by JS */
.syn-keyword {
  color: #c792ea;
}

.syn-function {
  color: #82aaff;
}

.syn-string {
  color: #c3e88d;
}

.syn-comment {
  color: #546e7a;
  font-style: italic;
}

.syn-variable {
  color: #f78c6c;
}

.syn-bracket {
  color: #89ddff;
}

.syn-property {
  color: #ffcb6b;
}

.syn-number {
  color: #f78c6c;
}

.syn-operator {
  color: #89ddff;
}

.syn-class {
  color: #ffcb6b;
}

/* ============================================
/* ============================================
   TABBED CODE WINDOW
   ============================================ */
.code-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.code-tabs {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.code-tab {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  opacity: 0.7;
}

.code-tab:hover {
  opacity: 1;
  color: var(--text-primary);
}

.code-tab.active {
  opacity: 1;
  color: var(--accent-start);
  border-bottom-color: var(--accent-start);
}

.code-tab i {
  margin-right: 0.4rem;
  font-size: 0.85rem;
}

/* Window Content Views */
.window-content {
  position: relative;
  height: 380px;
  /* Fixed height for the code/terminal window */
  overflow: hidden;
  background: rgba(10, 10, 16, 0.6);
}

.view {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 1.2rem;
  overflow-y: auto;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  visibility: hidden;
}

.view.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
  visibility: visible;
  z-index: 10;
}

/* Custom scrollbar for views */
.view::-webkit-scrollbar {
  width: 6px;
}

.view::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

/* Code View */
.view-code .code-body {
  margin: 0;
  line-height: 1.6;
}

/* Terminal View */
.view-terminal {
  background: rgba(5, 5, 10, 0.8);
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
}

.repl-history {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.repl-input-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.repl-prompt {
  color: var(--success);
  font-weight: 700;
  user-select: none;
}

.repl-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  caret-color: var(--accent-start);
}

.repl-input::placeholder {
  color: var(--text-muted);
  font-style: italic;
  opacity: 0.4;
}

/* Terminal Line Styles */
.repl-line {
  animation: fadeIn 0.3s ease;
}

.repl-line-input {
  color: var(--text-primary);
  opacity: 0.9;
}

.repl-line-output {
  color: #c3e88d;
  padding-left: 1rem;
}

.repl-line-error {
  color: var(--error);
  padding-left: 1rem;
}

/* Scroll Mouse */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.scroll-down {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 14px;
  position: relative;
}

.mouse-wheel {
  width: 3px;
  height: 8px;
  background: var(--accent-start);
  border-radius: 3px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(14px);
  }
}

/* Fade-in animations */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 0.9s ease forwards 0.3s;
}

.fade-in--delay {
  animation-delay: 0.7s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--bg-secondary);
}

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

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 1rem;
  line-height: 1.85;
}

.about-text strong {
  color: var(--text-primary);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.3rem 1rem;
  transition: all var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 106, 255, 0.2);
}

.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  font-family: var(--font-mono);
}

/* GitHub-style Contribution Graph */
.contribution-section {
  margin-bottom: 2rem;
}

.contribution-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contribution-section h3 i {
  color: var(--accent-start);
}

.contribution-graph {
  display: grid;
  grid-template-columns: repeat(52, 1fr);
  grid-template-rows: repeat(7, 1fr);
  gap: 3px;
}

.contrib-cell {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 2px;
  background: var(--contrib-0);
  transition: all var(--transition-fast);
}

.contrib-cell:hover {
  outline: 1px solid var(--accent-start);
  transform: scale(1.5);
  z-index: 2;
  position: relative;
}

.contrib-cell.level-1 {
  background: var(--contrib-1);
}

.contrib-cell.level-2 {
  background: var(--contrib-2);
}

.contrib-cell.level-3 {
  background: var(--contrib-3);
}

.contrib-cell.level-4 {
  background: var(--contrib-4);
}

.contribution-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
  margin-top: 0.5rem;
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.legend-squares {
  display: flex;
  gap: 3px;
}

.legend-sq {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: block;
}

/* Skill bars */
.skill-bar-group {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.3rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.skill-bar-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-primary);
  border-radius: 10px;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
}

.skill-category {
  padding: 2rem;
  transition: all var(--transition-base);
}

.skill-category:hover {
  transform: translateY(-8px);
  border-color: rgba(124, 106, 255, 0.25);
  box-shadow: var(--shadow-glow);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.category-icon-wrap {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 106, 255, 0.1);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  color: var(--accent-start);
  transition: all var(--transition-base);
}

.skill-category:hover .category-icon-wrap {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.category-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 500;
  background: rgba(124, 106, 255, 0.06);
  border: 1px solid rgba(124, 106, 255, 0.12);
  border-radius: 50px;
  color: var(--text-primary);
  transition: all var(--transition-base);
  font-family: var(--font-mono);
}

.skill-tag:hover {
  background: rgba(124, 106, 255, 0.2);
  border-color: rgba(124, 106, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(124, 106, 255, 0.15);
}

.skill-tag i {
  font-size: 0.85rem;
  color: var(--accent-start);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.6rem;
}

.service-card {
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
}

.service-number {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(124, 106, 255, 0.2);
  letter-spacing: 0.05em;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--accent-start), transparent 60%);
  -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;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-start);
  background: rgba(124, 106, 255, 0.08);
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: #fff;
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(124, 106, 255, 0.1);
  border-color: rgba(124, 106, 255, 0.2);
}

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 3rem;
  color: rgba(124, 106, 255, 0.2);
  background: linear-gradient(135deg, rgba(124, 106, 255, 0.05), rgba(56, 189, 248, 0.05));
}

.project-float-code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.8rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: var(--accent-end);
  animation: floatCode 3s ease-in-out infinite;
}

@keyframes floatCode {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.project-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  background: rgba(6, 6, 11, 0.88);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-info {
  padding: 1.5rem;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--success);
  margin-bottom: 0.5rem;
}

.project-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.project-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tech span {
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(124, 106, 255, 0.08);
  border-radius: 50px;
  color: var(--accent-start);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

/* Terminal mockup */
.contact-terminal {
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.term-prompt {
  color: var(--success);
  font-weight: 600;
}

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

.term-string {
  color: #c3e88d;
}

.term-bool {
  color: #f78c6c;
}

.term-cursor {
  color: var(--accent-start);
  animation: blink 0.8s steps(1) infinite;
}

/* Contact Links */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1.2rem;
  transition: all var(--transition-base);
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.contact-link-item:hover {
  border-color: rgba(124, 106, 255, 0.3);
  transform: translateX(4px);
  color: var(--text-primary);
}

.contact-link-item i {
  color: var(--accent-start);
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.contact-social {
  display: flex;
  gap: 0.8rem;
}

/* Contact Form */
.contact-form {
  padding: 2.2rem;
}

.form-group {
  margin-bottom: 1.3rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-start);
  box-shadow: 0 0 0 3px rgba(124, 106, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  display: block;
  font-size: 0.75rem;
  color: var(--error);
  margin-top: 0.3rem;
  min-height: 1rem;
  font-family: var(--font-mono);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--error);
}

.form-success {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  text-align: center;
  color: var(--success);
  font-size: 0.9rem;
  font-weight: 500;
  background: rgba(34, 197, 94, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.15);
  border-radius: var(--radius-sm);
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.4s ease;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--bg-glass-border);
  background: var(--bg-primary);
}

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

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 0.8rem;
}

.footer-social a {
  color: var(--text-muted);
  font-size: 1.05rem;
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--accent-start);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* ============================================
   SCROLL REVEAL ANIMATION
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered reveal for grid children */
.services-grid .reveal:nth-child(2) {
  transition-delay: 0.08s;
}

.services-grid .reveal:nth-child(3) {
  transition-delay: 0.16s;
}

.services-grid .reveal:nth-child(4) {
  transition-delay: 0.24s;
}

.services-grid .reveal:nth-child(5) {
  transition-delay: 0.32s;
}

.services-grid .reveal:nth-child(6) {
  transition-delay: 0.4s;
}

.services-grid .reveal:nth-child(7) {
  transition-delay: 0.48s;
}

.services-grid .reveal:nth-child(8) {
  transition-delay: 0.56s;
}

.skills-categories .reveal:nth-child(2) {
  transition-delay: 0.1s;
}

.skills-categories .reveal:nth-child(3) {
  transition-delay: 0.2s;
}

.skills-categories .reveal:nth-child(4) {
  transition-delay: 0.3s;
}

.projects-grid .reveal:nth-child(2) {
  transition-delay: 0.12s;
}

.projects-grid .reveal:nth-child(3) {
  transition-delay: 0.24s;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-content {
    padding: 0;
  }

  .hero-description {
    margin: 0 auto 2rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-social {
    justify-content: center;
  }

  .hero-badge {
    margin: 0 auto 1.5rem;
  }

  .hero-code {
    max-width: 500px;
    margin: 0 auto;
  }

  .code-window {
    transform: none;
  }

  .code-window:hover {
    transform: none;
  }
}

@media (max-width: 992px) {
  .section {
    padding: 80px 0;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  .cursor-glow {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: rgba(6, 6, 11, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 0;
    transition: right var(--transition-base);
    border-left: 1px solid var(--bg-glass-border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-link {
    display: block;
    padding: 1rem 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .hamburger {
    display: flex;
  }

  /* Mobile Fixes */
  .hero-badge {
    display: none;
  }

  .hero-scroll {
    display: none;
  }

  .hero {
    align-items: flex-start;
    padding-top: 7rem;
    height: auto;
    min-height: 100vh;
  }

  .hero-code {
    display: none;
  }

  .code-window {
    width: 100%;
    margin: 0 auto;
  }

  .window-content {
    height: 320px;
  }

  .code-body,
  .terminal-body {
    font-size: 0.75rem;
  }

  .code-titlebar {
    padding: 0.4rem 0.8rem;
  }

  .code-tab {
    font-size: 0.75rem;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.65rem;
  }

  .contribution-graph {
    grid-template-columns: repeat(26, 1fr);
  }

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

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

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    width: 92%;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    /* max-width: 260px; */
    justify-content: center;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .contribution-graph {
    grid-template-columns: repeat(20, 1fr);
  }

  .project-image {
    height: 180px;
  }
}