/* Julie Hendry - Personal Site */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&family=Inter:wght@400;500;600&display=swap');

:root {
  --accent: #0f766e;
  --accent-light: #14b8a6;
  --dark: #111827;
  --dark-mid: #1e293b;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e5e7eb;
  --radius: 8px;
}

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

html { font-size: 18px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Source Serif 4', Georgia, serif;
  line-height: 1.25;
  color: var(--dark);
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-light); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 740px; }

/* Navigation */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.site-name {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.15rem; font-weight: 600; color: var(--dark);
}
.site-name:hover { color: var(--accent); }
.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links a {
  color: var(--text-light); font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.01em; padding: 0.25rem 0;
  border-bottom: 2px solid transparent; transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--dark); border-bottom-color: var(--accent); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--dark); margin: 5px 0; transition: 0.3s; }

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}
.hero h1 { font-size: 2.4rem; max-width: 780px; margin-bottom: 1.25rem; font-weight: 700; }
.hero .subtitle {
  font-size: 1.05rem; color: var(--text-light); max-width: 640px; line-height: 1.7;
}

/* Page Header */
.page-header { padding: 4rem 0 2.5rem; border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: 2rem; margin-bottom: 0.75rem; }
.page-header .lead { font-size: 1.05rem; color: var(--text-light); max-width: 600px; line-height: 1.7; }

/* Sections */
.section { padding: 3.5rem 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark); color: #e5e7eb; }
.section-dark h2, .section-dark h3 { color: #f9fafb; }
.section-dark a { color: var(--accent-light); }
.section-dark p { color: #d1d5db; }

/* Labels */
.label, .era-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
}
.era-label { margin-bottom: 0.5rem; }

/* Section Header */
.section-header { margin-bottom: 1.5rem; }
.section-header h2 { margin-top: 0.35rem; font-size: 1.5rem; }

/* Era Cards (homepage) */
.era-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.era-card {
  padding: 2rem; background: var(--bg-alt); border-radius: var(--radius);
  border: 1px solid var(--border); transition: border-color 0.2s;
}
.era-card:hover { border-color: var(--accent); }
.era-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.era-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0.5rem; }
.credentials-inline { font-style: italic; font-size: 0.85rem; color: var(--text-light); }

/* Work Blocks */
.work-block { padding: 2rem 0; border-bottom: 1px solid var(--border); }
.work-block:last-child { border-bottom: none; }
.work-block h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.work-link {
  display: inline-block; margin-top: 1rem;
  font-size: 0.85rem; font-weight: 600; color: var(--accent);
  border-bottom: 1px solid var(--accent);
}
.work-link:hover { color: var(--accent-light); border-bottom-color: var(--accent-light); }

/* Timeline */
.timeline-block { padding: 2rem 0; border-bottom: 1px solid var(--border); }
.timeline-block:last-child { border-bottom: none; }
.timeline-period {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem; font-weight: 600; color: var(--accent);
  letter-spacing: 0.05em; margin-bottom: 0.35rem;
}
.timeline-block h3 { font-size: 1.2rem; margin-bottom: 0.75rem; }

/* Credentials */
.credentials-list { list-style: none; margin-bottom: 1.5rem; }
.credentials-list li {
  padding: 0.6rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.credentials-list li:last-child { border-bottom: none; }
.credentials-list .org { color: var(--text-light); font-size: 0.8rem; }

/* Contact Form */
.contact-form { max-width: 520px; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 0.35rem; color: var(--text);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.65rem 0.85rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-family: inherit; font-size: 0.9rem; color: var(--text);
  background: var(--bg); transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-group textarea { min-height: 140px; resize: vertical; }

.btn {
  display: inline-block; padding: 0.7rem 1.75rem;
  background: var(--accent); color: white; border: none;
  border-radius: var(--radius); font-family: inherit;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: background 0.2s;
}
.btn:hover { background: var(--accent-light); color: white; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Archive Notice */
.archive-notice {
  padding: 1.25rem; background: var(--bg-alt); border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem; color: var(--text-light); margin-top: 1rem;
}

/* Writing Meta */
.writing-meta { font-size: 0.8rem; color: var(--text-light); margin-bottom: 1rem; }

/* Footer */
.site-footer {
  padding: 2rem 0; border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--text-light);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }

/* Section Divider */
.section-divider {
  width: 60px; height: 1px; background: var(--accent);
  margin: 0 auto; opacity: 0.4;
}

/* Case Study Highlight */
.case-highlight {
  padding: 1.5rem; background: var(--bg-alt); border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0; margin-bottom: 1rem;
}
.case-highlight h4 { font-size: 1rem; margin-bottom: 0.35rem; }
.case-highlight p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }

/* About Intro */
.about-intro {
  display: flex; align-items: center; gap: 2.5rem;
}
.about-photo img {
  width: 280px; height: 280px; object-fit: cover;
  border-radius: var(--radius);
  display: block;
}
.about-text { flex: 1; }

/* Utilities */
.mt-3 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }

/* Mobile */
@media (max-width: 768px) {
  html { font-size: 16px; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: white; border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 1rem 1.5rem; gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0.5rem 0; }
  .era-grid { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0 2.5rem; }
  .hero h1 { font-size: 1.75rem; }
  .about-intro { flex-direction: column; text-align: center; gap: 1.5rem; }
  .about-photo img { width: 200px; height: 200px; margin: 0 auto; }
  .about-text .lead { max-width: none; }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.5rem; }
}