:root {
  --bg-color: #0d1117;
  --panel-bg: rgba(22, 27, 34, 0.8);
  --accent-color: #00ff41;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --border-color: rgba(48, 54, 61, 0.8);
  --glow: 0 0 20px rgba(0, 255, 65, 0.2);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  padding: 2rem;
  overflow-x: hidden;
}

/* Background grid effect */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 2px 2px, rgba(0, 255, 65, 0.05) 1px, transparent 0);
  background-size: 40px 40px;
  z-index: -1;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(90deg, #fff, var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.back-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  background: var(--panel-bg);
}

.back-link:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
  box-shadow: var(--glow);
}

/* Content Sections */
.section {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  margin-bottom: 2rem;
  opacity: 0;
  animation: slideIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  animation-delay: calc(var(--animation-order, 0) * 0.1s + 0.1s);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: rgba(13, 17, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  opacity: 0;
  animation: slideIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  animation-delay: calc(var(--animation-order, 0) * 0.1s + 0.1s);
}

.project-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--accent-color);
  box-shadow: var(--glow);
  background: rgba(22, 27, 34, 0.8);
}

.project-card h3 {
  margin-bottom: 0.5rem;
  color: var(--accent-color);
}

.project-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Skills Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.75rem;
  background: rgba(0, 255, 65, 0.1);
  color: var(--accent-color);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

input, textarea {
  width: 100%;
  padding: 0.8rem;
  background: rgba(13, 17, 23, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.3s ease;
}

input:focus, textarea:focus {
  border-color: var(--accent-color);
}

.submit-btn {
  background: var(--accent-color);
  color: var(--bg-color);
  border: none;
  padding: 1rem 2rem;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.submit-btn:hover {
  transform: scale(1.02);
  box-shadow: var(--glow);
}

/* Responsive */
@media (max-width: 600px) {
  body { padding: 1rem; }
  .title { font-size: 2rem; }
  .section { padding: 1.5rem; }
}

/* GLOBAL PAGE TRANSITIONS */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-color); /* matches interior.css background */
  z-index: 99999;
  opacity: 1;
  pointer-events: none;
  transition: opacity 400ms ease-in-out;
}