/* ============================================
   62010810.xyz — Digital Laboratory v2.0
   Cyberpunk UI Overhaul
   ============================================ */

:root {
  /* Core Palette — Neon Green + Deep Void */
  --color-bg: #050505;
  --color-bg-elevated: #0a0a0a;
  --color-bg-card: #0d0d0f;
  --color-surface: #111114;
  --color-surface-hover: #16161a;
  --color-border: #1a1a1f;
  --color-border-subtle: #141418;
  --color-border-glow: rgba(0, 255, 136, 0.3);

  --color-text-primary: #e8e8e8;
  --color-text-secondary: #888888;
  --color-text-muted: #555555;
  --color-text-dim: #333333;

  --color-accent: #00ff88;
  --color-accent-dim: #00cc6a;
  --color-accent-glow: rgba(0, 255, 136, 0.5);
  --color-accent-pulse: rgba(0, 255, 136, 0.2);

  --color-prompt: #ff5f56;
  --color-command: #4ecdc4;
  --color-success: #00ff88;
  --color-warning: #ffbd2e;
  --color-error: #ff5f56;

  /* Semantic Colors */
  --color-status-active: #00ff88;
  --color-status-wip: #ffbd2e;
  --color-status-exp: #ff6b9d;

  /* Typography */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Consolas', monospace;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-in-out-sine: cubic-bezier(0.37, 0, 0.63, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-slower: 800ms;
}

/* ============================================
   Base Reset & Global
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ============================================
   CRT Monitor Effects
   ============================================ */

.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  animation: scanline-shift 0.1s linear infinite;
}

@keyframes scanline-shift {
  0% { transform: translateY(0); }
  100% { transform: translateY(4px); }
}

.crt-flicker {
  position: absolute;
  inset: 0;
  background: rgba(0, 255, 136, 0.01);
  animation: flicker 0.15s infinite;
  opacity: 0.5;
}

@keyframes flicker {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.48; }
}

.vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    transparent 60%,
    rgba(0, 0, 0, 0.4) 100%
  );
}

/* ============================================
   Background Effects
   ============================================ */

.matrix-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.08;
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.03;
  background-image: 
    linear-gradient(rgba(0, 255, 136, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.nav--scrolled {
  padding: var(--space-sm) var(--space-xl);
  background: rgba(5, 5, 5, 0.95);
}

.nav__brand {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-size: 1.125rem;
  font-weight: 600;
}

.nav__brand-text {
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.nav__brand-domain {
  color: var(--color-accent);
  text-shadow: 0 0 20px var(--color-accent-glow);
}

.nav__links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  position: relative;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--duration-fast) ease;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-out-expo);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent);
}

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

.nav__status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--color-accent-glow);
}

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

.status-text {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* ============================================
   Main Layout
   ============================================ */

.main {
  position: relative;
  z-index: 2;
  padding-top: 80px;
}

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

.hero {
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: var(--space-4xl) var(--space-3xl);
  max-width: 1400px;
  margin: 0 auto;
  gap: var(--space-4xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(0, 255, 136, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  margin-bottom: var(--space-xl);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.badge__pulse {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  line-height: 1;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.hero__title-line {
  display: block;
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
  text-shadow: 0 0 60px var(--color-accent-glow);
}

/* Glitch Effect */
.glitch {
  position: relative;
  display: inline-block;
  color: var(--color-text-primary);
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  left: 2px;
  text-shadow: -1px 0 var(--color-prompt);
  clip: rect(24px, 550px, 90px, 0);
  animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: -1px 0 var(--color-command);
  clip: rect(85px, 550px, 140px, 0);
  animation: glitch-anim-2 2s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
  0% { clip: rect(20px, 9999px, 50px, 0); }
  20% { clip: rect(80px, 9999px, 120px, 0); }
  40% { clip: rect(10px, 9999px, 60px, 0); }
  60% { clip: rect(90px, 9999px, 130px, 0); }
  80% { clip: rect(40px, 9999px, 80px, 0); }
  100% { clip: rect(70px, 9999px, 110px, 0); }
}

@keyframes glitch-anim-2 {
  0% { clip: rect(60px, 9999px, 100px, 0); }
  20% { clip: rect(10px, 9999px, 40px, 0); }
  40% { clip: rect(100px, 9999px, 140px, 0); }
  60% { clip: rect(30px, 9999px, 70px, 0); }
  80% { clip: rect(120px, 9999px, 160px, 0); }
  100% { clip: rect(50px, 9999px, 90px, 0); }
}

.hero__description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  border-radius: 4px;
  transition: all var(--duration-fast) ease;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 600;
}

.btn--primary:hover {
  background: var(--color-accent-dim);
  box-shadow: 0 0 30px var(--color-accent-glow);
  transform: translateY(-2px);
}

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

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 255, 136, 0.05);
}

/* Hexagon Visual */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hexagon-grid {
  position: relative;
  width: 300px;
  height: 300px;
}

.hexagon {
  position: absolute;
  width: 120px;
  height: 138px;
  background: transparent;
  border: 1px solid var(--color-border);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  transition: all var(--duration-normal) ease;
}

.hexagon--1 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: var(--color-accent);
  box-shadow: 0 0 30px var(--color-accent-glow);
  animation: hexagon-pulse 4s ease-in-out infinite;
}

.hexagon--2 {
  top: 20%;
  left: 20%;
  width: 80px;
  height: 92px;
  opacity: 0.5;
  animation: hexagon-float 6s ease-in-out infinite;
}

.hexagon--3 {
  bottom: 20%;
  right: 20%;
  width: 60px;
  height: 69px;
  opacity: 0.3;
  animation: hexagon-float 5s ease-in-out infinite reverse;
}

@keyframes hexagon-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.8; }
}

@keyframes hexagon-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* ============================================
   Sections
   ============================================ */

.section {
  padding: var(--space-4xl) var(--space-3xl);
  max-width: 1400px;
  margin: 0 auto;
}

.section__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.section__number {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
}

.section__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   Terminal Section
   ============================================ */

.section--terminal {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 255, 136, 0.02) 50%, transparent 100%);
}

.terminal {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 60px rgba(0, 255, 136, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.terminal__controls {
  display: flex;
  gap: 6px;
}

.terminal__control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--duration-fast) ease;
}

.terminal__control:hover {
  transform: scale(1.2);
}

.terminal__control--close { background: #ff5f56; }
.terminal__control--minimize { background: #ffbd2e; }
.terminal__control--maximize { background: #27ca3f; }

.terminal__tabs {
  display: flex;
  gap: var(--space-xs);
  margin-left: var(--space-md);
}

.terminal__tab {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.terminal__tab--active {
  color: var(--color-accent);
  background: rgba(0, 255, 136, 0.1);
}

.terminal__title {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.terminal__body {
  padding: var(--space-lg);
  font-size: 0.875rem;
  line-height: 1.8;
  min-height: 300px;
  max-height: 400px;
  overflow-y: auto;
}

.terminal__line {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
  animation: fade-in 0.3s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.terminal__timestamp {
  color: var(--color-text-dim);
  font-size: 0.75rem;
  min-width: 60px;
}

.terminal__prompt {
  color: var(--color-accent);
  font-weight: 600;
  min-width: 100px;
}

.terminal__command {
  color: var(--color-command);
}

.terminal__output {
  color: var(--color-text-secondary);
  padding-left: 0;
  margin-bottom: var(--space-xs);
}

.terminal__highlight {
  color: var(--color-accent);
  background: rgba(0, 255, 136, 0.1);
  padding: 0 4px;
  border-radius: 2px;
}

.terminal__input-line {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-subtle);
}

.terminal__input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
  caret-color: var(--color-accent);
}

.terminal__input::placeholder {
  color: var(--color-text-dim);
}

.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--color-accent);
  animation: blink 1s step-end infinite;
}

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

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.project-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
  transition: all var(--duration-normal) var(--ease-out-expo);
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  transform: scaleX(0);
  transition: transform var(--duration-normal) ease;
}

.project-card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card--featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(0, 255, 136, 0.05) 100%);
  border-color: var(--color-accent);
}

.project-card--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  border-style: dashed;
  opacity: 0.5;
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.project-card__category {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(0, 255, 136, 0.1);
  border-radius: 4px;
}

.project-card__status {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border-radius: 2px;
  font-weight: 600;
}

.project-card__status--active {
  background: rgba(0, 255, 136, 0.15);
  color: var(--color-status-active);
}

.project-card__status--wip {
  background: rgba(255, 189, 46, 0.15);
  color: var(--color-status-wip);
}

.project-card__status--experimental {
  background: rgba(255, 107, 157, 0.15);
  color: var(--color-status-exp);
}

.project-card__title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
}

.project-card__description {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.project-card__meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.project-card__lang {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  padding: 2px 6px;
  background: var(--color-surface);
  border-radius: 2px;
}

.project-card__progress {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.progress-bar {
  flex: 1;
  height: 3px;
  background: var(--color-surface);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-dim), var(--color-accent));
  border-radius: 2px;
  transition: width 1s var(--ease-out-expo);
}

.progress-bar__text {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  min-width: 70px;
  text-align: right;
}

.project-card__empty-content {
  text-align: center;
  color: var(--color-text-muted);
}

.project-card__empty-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.project-card__empty-text {
  font-size: 0.75rem;
}

/* ============================================
   Stats Section
   ============================================ */

.stats-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.stat-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.stat-card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.stat-card--highlight {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(255, 95, 86, 0.05) 100%);
  border-color: rgba(255, 95, 86, 0.3);
}

.stat-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
  opacity: 0.7;
}

.stat-card__icon svg {
  width: 100%;
  height: 100%;
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.stat-card--highlight .stat-card__number {
  color: var(--color-prompt);
}

.stat-card__label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.stat-card__tag {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  background: rgba(255, 95, 86, 0.2);
  color: var(--color-prompt);
  border: 1px solid var(--color-prompt);
  border-radius: 2px;
}

.stat-card__trend {
  font-size: 0.625rem;
  color: var(--color-text-dim);
}

.stat-card__trend--up {
  color: var(--color-accent);
}

/* Radar Chart */
.stats-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-chart {
  position: relative;
  width: 250px;
  height: 250px;
}

.radar-chart__svg {
  width: 100%;
  height: 100%;
}

.radar-chart__grid {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
}

.radar-chart__data {
  fill: rgba(0, 255, 136, 0.1);
  stroke: var(--color-accent);
  stroke-width: 2;
  animation: radar-pulse 3s ease-in-out infinite;
}

@keyframes radar-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.radar-chart__labels {
  position: absolute;
  inset: 0;
}

.radar-chart__label {
  position: absolute;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  transform: translate(-50%, -50%);
}

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

.footer {
  padding: var(--space-3xl) var(--space-xl);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4xl);
}

.footer__content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.footer__logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.footer__version {
  font-size: 0.6875rem;
  color: var(--color-accent);
  padding: 2px 6px;
  background: rgba(0, 255, 136, 0.1);
  border-radius: 4px;
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
}

.footer__link {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}

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

.footer__text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer__copyright {
  font-size: 0.6875rem;
  color: var(--color-text-dim);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }

  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hexagon-grid {
    width: 200px;
    height: 200px;
  }

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

  .project-card--featured {
    grid-column: span 2;
  }

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

  .stats-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: var(--space-sm) var(--space-md);
  }

  .nav__links {
    display: none;
  }

  .hero {
    padding: var(--space-2xl) var(--space-md);
    min-height: auto;
  }

  .hero__title {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }

  .section {
    padding: var(--space-2xl) var(--space-md);
  }

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

  .project-card--featured {
    grid-column: span 1;
  }

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

  .terminal__body {
    font-size: 0.75rem;
    padding: var(--space-md);
  }

  .terminal__tabs {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

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

  .stat-card__number {
    font-size: 2rem;
  }

  .footer__links {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

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

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}