/* ============================================================
   NEUROJOURNEY — Modernistic Retro-DIY, Sexy Polished
   Color: Navy #063559 + Mint #62FF88
   Typography: Inter (body) + JetBrains Mono (accents)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

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

:root {
  --navy: #063559;
  --navy-deep: #031b2e;
  --navy-light: #0a4a7a;
  --mint: #62FF88;
  --mint-dim: rgba(98, 255, 136, 0.15);
  --mint-glow: rgba(98, 255, 136, 0.06);
  --cyan: #8aeaff;
  --white: #f0f4f8;
  --white-dim: rgba(240, 244, 248, 0.7);
  --slate: #94a3b8;
  --amber: #fbbf24;
  --red: #ff6b6b;
  --card-bg: rgba(6, 53, 89, 0.45);
  --card-border: rgba(98, 255, 136, 0.12);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 820px;
  --transition: 200ms ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--navy-deep);
  color: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle dot grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(98, 255, 136, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* --- LAYOUT --- */
.site-wrapper {
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- HEADER / NAV --- */
.site-header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  background: rgba(3, 27, 46, 0.85);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--white);
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.logo-text .accent {
  color: var(--mint);
}

nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

nav a:hover,
nav a.active {
  color: var(--mint);
  background: var(--mint-dim);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--card-border);
  color: var(--mint);
  font-size: 1.2rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(3, 27, 46, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem;
    gap: 0.25rem;
  }
  nav.open { display: flex; }
  nav a {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }
}

/* --- HERO --- */
.hero {
  padding: 5rem 0 3rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mint);
  background: var(--mint-dim);
  border: 1px solid var(--card-border);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1rem;
}

.hero h1 .mint { color: var(--mint); }

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--white-dim);
  max-width: 560px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.hero-question {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cyan);
  font-style: italic;
  margin-bottom: 2rem;
}

.hero-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate);
  opacity: 0.7;
}

/* --- SECTION HEADERS --- */
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--card-border);
}

.section-header h2 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint);
  white-space: nowrap;
}

.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--card-border), transparent);
}

/* --- POST CARDS --- */
.posts-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 4rem;
}

.post-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--white);
  transition: all var(--transition);
  display: block;
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--mint);
  opacity: 0;
  transition: opacity var(--transition);
}

.post-card:hover {
  border-color: rgba(98, 255, 136, 0.25);
  background: rgba(6, 53, 89, 0.6);
  box-shadow: 0 0 30px var(--mint-glow);
  transform: translateY(-1px);
}

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

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.post-card-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--slate);
  letter-spacing: 0.05em;
}

.post-card-category {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint);
  background: var(--mint-dim);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.post-card-ygtss {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--slate);
  margin-left: auto;
}

.post-card-ygtss .score {
  font-weight: 700;
}

.post-card-ygtss .score.good { color: var(--mint); }
.post-card-ygtss .score.moderate { color: var(--amber); }
.post-card-ygtss .score.severe { color: var(--red); }

.post-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.post-card-excerpt {
  font-size: 0.88rem;
  color: var(--white-dim);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- TIMELINE VIEW --- */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--mint), var(--navy-light), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}

.timeline-dot {
  position: absolute;
  left: -2.15rem;
  top: 1.5rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
  border: 2px solid var(--navy-deep);
  box-shadow: 0 0 8px var(--mint-glow);
}

.timeline-item .post-card {
  margin-left: 0;
}

.timeline-date-marker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.5rem 0;
  margin-bottom: 0.5rem;
  position: relative;
}

.timeline-date-marker::before {
  content: '';
  position: absolute;
  left: -2.35rem;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--navy-deep);
  border: 2px solid var(--mint);
  transform: translateY(-50%);
}

/* --- SINGLE POST --- */
.post-header {
  padding: 4rem 0 2rem;
}

.post-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--slate);
}

.post-meta .author {
  color: var(--mint);
}

.post-content {
  padding-bottom: 3rem;
}

.post-content p {
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.8;
}

.post-content .lead {
  font-size: 1.15rem;
  color: var(--white);
  font-weight: 500;
  border-left: 3px solid var(--mint);
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

.post-content h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--mint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 2.5rem 0 1rem;
}

.post-content ul, .post-content ol {
  margin: 0 0 1.5rem 1.5rem;
}

.post-content li {
  margin-bottom: 0.4rem;
  line-height: 1.7;
  color: var(--white-dim);
}

.post-content li strong {
  color: var(--white);
}

.post-content blockquote {
  background: var(--mint-dim);
  border-left: 3px solid var(--mint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--white);
  font-size: 1.05rem;
  line-height: 1.6;
}

.post-content em {
  color: var(--cyan);
  font-style: italic;
}

.post-content strong {
  color: var(--white);
  font-weight: 600;
}

/* Metric blocks */
.metric-block {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(6, 53, 89, 0.6);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  margin: 1rem 0;
  font-family: var(--font-mono);
}

.metric-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.metric-value.good { color: var(--mint); }
.metric-value.moderate { color: var(--amber); }
.metric-value.severe { color: var(--red); }
.metric-value.critical { color: var(--red); text-shadow: 0 0 10px rgba(255, 107, 107, 0.3); }

.metric-desc {
  font-size: 0.65rem;
  color: var(--slate);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Post images */
.post-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.post-images img {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  transition: transform var(--transition);
}

.post-images img:hover {
  transform: scale(1.02);
}

/* Post navigation */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0;
  border-top: 1px solid var(--card-border);
  margin-top: 2rem;
}

.post-nav a {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  transition: all var(--transition);
  max-width: 48%;
}

.post-nav a:hover {
  border-color: rgba(98, 255, 136, 0.25);
  background: var(--card-bg);
}

.post-nav-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint);
  margin-bottom: 0.25rem;
}

.post-nav-title {
  font-size: 0.85rem;
  color: var(--white-dim);
  line-height: 1.4;
}

.post-nav .next { text-align: right; margin-left: auto; }

/* Tags */
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 2rem 0;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate);
  background: rgba(6, 53, 89, 0.4);
  border: 1px solid rgba(148, 163, 184, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  text-decoration: none;
  transition: all var(--transition);
}

.tag:hover {
  color: var(--mint);
  border-color: var(--card-border);
}

/* Disclaimer box */
.disclaimer-box {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin: 2rem 0;
  font-size: 0.85rem;
  color: var(--white-dim);
  line-height: 1.6;
}

.disclaimer-box strong {
  color: var(--amber);
}

/* Closing thought */
.closing-thought {
  text-align: center;
  font-size: 1.1rem;
  color: var(--cyan);
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
}

/* --- PAGE CONTENT --- */
.page-header {
  padding: 4rem 0 2rem;
}

.page-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
}

.page-content {
  padding-bottom: 4rem;
}

.page-content p,
.page-content ul,
.page-content ol,
.page-content blockquote,
.page-content h3 {
  /* Inherit post-content styles */
}

/* --- FOOTER --- */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 2.5rem 0;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--slate);
  margin-bottom: 0.5rem;
}

.footer-brand .mint { color: var(--mint); }

.footer-note {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--slate);
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--slate);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--mint);
}

/* --- 404 --- */
.not-found {
  text-align: center;
  padding: 6rem 0;
}

.not-found h1 {
  font-family: var(--font-mono);
  font-size: 4rem;
  color: var(--mint);
  margin-bottom: 1rem;
}

.not-found p {
  color: var(--slate);
  margin-bottom: 2rem;
}

.not-found a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 2px;
  transition: border-color var(--transition);
}

.not-found a:hover {
  border-color: var(--mint);
}

/* --- STATS BAR (homepage) --- */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  padding: 2rem 0;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--mint);
  display: block;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate);
}

/* --- YGTSS SPARKLINE (for timeline) --- */
.ygtss-journey {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

.ygtss-journey h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint);
  margin-bottom: 1rem;
}

.ygtss-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 80px;
}

.ygtss-bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  min-width: 8px;
  transition: opacity var(--transition);
  cursor: default;
  position: relative;
}

.ygtss-bar:hover { opacity: 0.8; }
.ygtss-bar.good { background: var(--mint); }
.ygtss-bar.moderate { background: var(--amber); }
.ygtss-bar.severe { background: var(--red); }

/* --- CATEGORY PAGE --- */
.category-header {
  padding: 4rem 0 2rem;
}

.category-header h1 {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.category-header .cat-name {
  color: var(--mint);
}

/* --- UTILITIES --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Print styles */
@media print {
  body { background: #fff; color: #000; }
  body::before { display: none; }
  .site-header, .site-footer, .post-nav { display: none; }
  .post-content { max-width: 100%; }
}