/* ============================================================
   JOSH BAKER PORTFOLIO — style.css
   ============================================================ */

/* --- Custom Properties --- */
:root {
  --bg-base:        #0D1117;
  --bg-surface:     #161B22;
  --bg-elevated:    #21262D;
  --border:         #30363D;
  --border-subtle:  #21262D;
  --accent:         #2EA8C7;
  --accent-hover:   #38C5E8;
  --text-primary:   #E6EDF3;
  --text-muted:     #8B949E;
  --font-display:   'Space Grotesk', system-ui, sans-serif;
  --font-mono:      'JetBrains Mono', 'Courier New', monospace;
  --radius:         8px;
  --max-w:          960px;
  --pad-x:          36px;
  --section-y:      72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* --- Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  transition: color 0.2s;
}
.nav-brand:hover { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-link {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link--accent { color: var(--accent); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px var(--pad-x) 20px;
  gap: 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-base);
}
.nav-mobile.open { display: flex; }
.nav-mobile-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-mobile-link:hover,
.nav-mobile-link--accent { color: var(--accent); }

/* --- Layout --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-y) var(--pad-x);
}
.section--hero .container { padding-top: 96px; padding-bottom: 88px; }
.divider { border-top: 1px solid var(--border-subtle); }

/* --- Section Labels & Titles --- */
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 32px;
}

/* --- Eyebrow --- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  padding: 11px 26px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
  border: none;
}
.btn--primary {
  background: var(--accent);
  color: var(--bg-base);
}
.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  font-weight: 500;
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Hero --- */
.hero-name {
  font-size: clamp(44px, 8vw, 72px);
  font-weight: 700;
  letter-spacing: -3px;
  line-height: 1;
  margin-bottom: 20px;
}
.hero-role-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 34px;
  margin-bottom: 26px;
}
.hero-role {
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 500;
  color: var(--text-muted);
}
.hero-cursor {
  display: inline-block;
  width: 2px;
  height: 22px;
  background: var(--accent);
  vertical-align: middle;
}
.hero-bio {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
}
.about-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 540px;
}
.about-text p + p { margin-top: 16px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-align: center;
  min-width: 100px;
}
.stat-value {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* --- Skills --- */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.skill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.2s;
}
.skill-card:hover { border-color: var(--accent); }
.skill-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

/* --- Chips --- */
.chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 9px;
  color: var(--text-muted);
}
.chip--accent { color: var(--accent); }
.chip-group { display: flex; flex-wrap: wrap; gap: 7px; }

/* --- Projects --- */
.projects-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 22px;
  transition: background 0.2s;
}
.project-card:hover { background: #1a2232; }
.project-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.project-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* --- Certifications --- */
.certs-row { display: flex; flex-wrap: wrap; gap: 14px; }
.cert-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.2s, transform 0.2s;
}
.cert-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.cert-card--active { border-color: var(--accent); }
.cert-badge {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--badge-text);
}
.cert-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}
.cert-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}
.cert-date--active { color: var(--accent); }

/* --- Contact --- */
.contact-bio {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 380px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 18px var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-left  { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.footer-right { font-family: var(--font-mono); font-size: 12px; color: var(--border); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --pad-x:       20px;
    --section-y:   52px;
  }

  .nav-links  { display: none; }
  .nav-toggle { display: flex; }

  .hero-name { letter-spacing: -2px; }

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-stats { grid-template-columns: repeat(4, 1fr); }

  .skills-grid   { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .skills-grid  { grid-template-columns: 1fr; }
  .about-stats  { grid-template-columns: 1fr 1fr; }
  .certs-row    { flex-direction: column; }
  .footer       { flex-direction: column; gap: 6px; text-align: center; }
}