:root {
  --bg-dark: #07080b;
  --bg-panel: #0d0f14;
  --border-color: rgba(255, 255, 255, 0.05);
  --border-hover: rgba(255, 255, 255, 0.12);
  
  --text-bright: #f3f4f6;
  --text-muted: #8e96a3;
  --text-dark: #565d68;
  
  --accent-cyan: #06b6d4;
  --accent-violet: #8b5cf6;
  --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  
  --font-sans: 'Outfit', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  background-image: linear-gradient(rgba(7, 8, 11, 0.84), rgba(7, 8, 11, 0.84)), url('assets/cyber_mainframe_bg.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  color: var(--text-bright);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Shifting Mesh Glows */
.mesh-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
  mix-blend-mode: screen;
}

.nebula-1 {
  top: -15%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 75%);
  animation: drift-1 25s ease-in-out infinite alternate;
}

.nebula-2 {
  top: 25%;
  right: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 75%);
  animation: drift-2 30s ease-in-out infinite alternate;
}

.nebula-3 {
  bottom: -15%;
  left: 25%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 75%);
  animation: drift-3 20s ease-in-out infinite alternate;
}

@keyframes drift-1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(100px, 60px) scale(1.15); }
}

@keyframes drift-2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-80px, -70px) scale(1.1); }
}

@keyframes drift-3 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, -50px) scale(1.2); }
}

/* Typography Utility */
.font-display {
  font-family: var(--font-display);
}

/* Header */
.header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 1.5rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulse 2s ease-in-out infinite;
}

.logo h1 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6, 182, 212, 0.05);
  border: 1px solid rgba(6, 182, 212, 0.15);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  text-decoration: none;
  cursor: default;
  transition: all 0.2s ease;
}

.system-status:hover {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.35);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

.status-indicator {
  width: 6px;
  height: 6px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: blink 1.5s infinite;
}

.status-text {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

.intro-section {
  max-width: 650px;
  margin-bottom: 4rem;
}

.subtitle {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.description {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  perspective: 1000px;
}

/* Project Cards */
.project-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
}

.card-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(6, 182, 212, 0.12) 0%, transparent 50%);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-inner {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 2;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
}

.badge {
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.badge-active {
  background-color: rgba(6, 182, 212, 0.08);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge-planned {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-dark);
  border: 1px solid var(--border-color);
}

.project-index {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
}

.card-content {
  margin-bottom: 2rem;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tags span {
  font-size: 0.725rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  border-radius: 0.25rem;
}

.card-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.btn-launch {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  background: transparent;
}

/* Active card styles */
.project-card.active:hover {
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.45);
}

.project-card.active:hover .card-glow {
  opacity: 1;
}

.project-card.active .btn-launch {
  background: var(--gradient-accent);
  color: #07080b;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.25);
}

.project-card.active .btn-launch:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.project-card.active .btn-launch .arrow {
  transition: transform 0.2s ease;
}

.project-card.active .btn-launch:hover .arrow {
  transform: translateX(3px);
}

/* Planned card styles */
.project-card.planned {
  opacity: 0.65;
}

.project-card.planned .btn-launch {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  cursor: not-allowed;
}

/* Main Footer */
.main-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-dark);
}

/* Animations */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.8;
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}