/* ========== Core AI PM Workflow — Shared Styles ========== */
/* Used by skill detail pages. index.html and journey.html retain their own inline styles. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #141414;
  color: #e8e8e8;
  line-height: 1.6;
  overflow-x: hidden;
}

code, pre, .mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ========== LAYOUT ========== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: #D97757; text-decoration: none; transition: color 0.2s; }
a:hover { color: #E8956A; }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }

/* ========== NAV ========== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(20, 20, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-weight: 700;
  font-size: 16px;
  color: #e8e8e8;
}

.nav-logo span { color: #D97757; }

.nav-links { display: flex; gap: 28px; list-style: none; }

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: #8892a4;
  transition: color 0.2s;
}

.nav-links a:hover { color: #e8e8e8; }

.nav-links a.active { color: #D97757; }

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #e8e8e8;
  font-size: 24px;
  cursor: pointer;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: #D97757;
  color: #141414;
}

.btn-primary:hover {
  background: #E8956A;
  color: #141414;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(217, 119, 87, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #e8e8e8;
  border: 1px solid rgba(255,255,255,0.15);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.04);
  color: #e8e8e8;
  transform: translateY(-1px);
}

/* ========== SECTION HELPERS ========== */
.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #D97757;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 16px;
}

.section-subtitle {
  color: #8892a4;
  font-size: 18px;
  max-width: 640px;
  line-height: 1.7;
}

/* ========== SKILL PAGE LAYOUT ========== */
.skill-hero {
  padding: 120px 0 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.skill-hero .category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(217, 119, 87, 0.3);
  background: rgba(217, 119, 87, 0.08);
  color: #D97757;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.skill-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.skill-hero .skill-tagline {
  font-size: 18px;
  color: #8892a4;
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.skill-hero .time-saved {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: #D97757;
}

.skill-hero .time-saved::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #D97757;
}

/* ========== SKILL CONTENT SECTIONS ========== */
.skill-content {
  padding: 64px 0;
}

.skill-content section {
  margin-bottom: 56px;
}

.skill-content section:last-child {
  margin-bottom: 0;
}

.skill-content h2 {
  font-size: 24px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.skill-content h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #E8956A;
}

.skill-content p {
  color: #8892a4;
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 720px;
}

.skill-content ul, .skill-content ol {
  list-style: none;
  margin-bottom: 20px;
}

.skill-content li:not(.process-step) {
  font-size: 15px;
  color: #8892a4;
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  line-height: 1.6;
}

.skill-content li:not(.process-step)::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: #D97757;
  font-weight: 700;
}

/* ========== PROMPT EXAMPLES ========== */
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.prompt-card {
  background: #242424;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: #e8e8e8;
  line-height: 1.5;
}

.prompt-card::before {
  content: '$ ';
  color: #27c93f;
}

/* ========== INFO CARDS ========== */
.info-card {
  background: #242424;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 16px;
}

.info-card h3 {
  margin-bottom: 12px;
}

.info-card p {
  margin-bottom: 0;
}

/* ========== PROCESS STEPS ========== */
.process-steps {
  counter-reset: step;
}

.process-step {
  background: #242424;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 24px 24px 24px 72px;
  margin-bottom: 12px;
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 24px;
  top: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(217, 119, 87, 0.15);
  color: #D97757;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  margin-bottom: 0;
}

/* ========== CODE BLOCKS ========== */
.skill-content pre {
  background: #1a1a1a;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 20px;
  font-size: 13px;
  line-height: 1.7;
  overflow-x: auto;
  margin-bottom: 20px;
}

.skill-content code {
  font-size: 13px;
}

.skill-content p code, .skill-content li code {
  background: rgba(217, 119, 87, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: #E8956A;
}

/* ========== CTA SECTION ========== */
.skill-cta {
  background: #1a1a1a;
  padding: 64px 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.skill-cta h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

.skill-cta p {
  color: #8892a4;
  font-size: 16px;
  margin-bottom: 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.skill-cta .cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== FOOTER ========== */
footer {
  padding: 48px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}

.footer-tagline {
  font-size: 15px;
  color: #8892a4;
  margin-bottom: 16px;
  font-style: italic;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-links a {
  font-size: 14px;
  color: #8892a4;
}

.footer-meta {
  font-size: 13px;
  color: #767676;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(12px);
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-mobile-toggle { display: block; }

  .skill-hero { padding: 100px 0 40px; }
  .skill-hero h1 { font-size: 32px; }

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

  .process-step { padding-left: 60px; }
  .process-step::before { left: 16px; }
}

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

/* ========== PRINT ========== */
@media print {
  body { background: #fff; color: #111; }
  nav { display: none; }
  .skill-hero { padding-top: 24px; }
  .info-card, .process-step, .prompt-card, .skill-cta {
    background: #f5f5f5;
    border-color: #ddd;
    color: #111;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .skill-content p, .skill-content li, .skill-cta p {
    color: #444;
  }
  a { color: #D97757; }
}