/* RESET & BASE DARK THEME STYLES */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #0d0e12;
  color: #e2e8f0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 14, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background-color: #1a1c23;
  color: #a78bfa;
  font-size: 1.3rem;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}

.back-button:hover {
  background-color: #6366f1;
  color: #ffffff;
  border-color: #6366f1;
}

.nav-links {
  display: flex;
  gap: 12px;
}

.nav-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-btn-primary {
  background-color: #6366f1;
  color: #ffffff;
}

.nav-btn-primary:hover {
  background-color: #4f46e5;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.nav-btn-secondary {
  background-color: #1a1c23;
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-btn-secondary:hover {
  background-color: #262933;
  color: #ffffff;
}

/* MAIN LAYOUT */
.main-content {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 20px;
}

/* HERO HEADER */
.hero-header {
  margin-bottom: 36px;
}

.hero-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  background-color: rgba(99, 102, 241, 0.15);
  color: #a78bfa;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.hero-header h1 {
  font-size: 2.2rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.hero-header p {
  color: #94a3b8;
  font-size: 1rem;
  max-width: 700px;
}

/* CONTENT SECTIONS */
.content-section {
  margin-bottom: 48px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.section-header h2 {
  font-size: 1.35rem;
  color: #f1f5f9;
}

/* TECH STACK CARDS */
.tech-stack-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech-card {
  background-color: #14161d;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-left: 4px solid #6366f1;
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
}

.tech-icon {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.tech-card h3 {
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.tech-card p {
  color: #94a3b8;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.tech-card ul {
  padding-left: 20px;
  color: #cbd5e1;
  font-size: 0.92rem;
}

.tech-card li {
  margin-bottom: 4px;
}

.tech-card code {
  background-color: rgba(99, 102, 241, 0.15);
  color: #c084fc;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.88rem;
}