/* ============================================================
   Benjamin Townsend — main.css
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:wght@400;600;700&family=Lato:wght@400;700&display=swap');

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  --color-primary:        #2C3E50;
  --color-primary-light:  #34495E;
  --color-accent:         #E74C3C;
  --color-accent-alt:     #27AE60;
  --color-surface:        #FFFFFF;
  --color-surface-alt:    #ECF0F1;
  --color-border:         #BDC3C7;
  --color-text-primary:   #2C3E50;
  --color-text-secondary: #7F8C8D;
  --color-text-inverse:   #FFFFFF;

  --font-heading: 'Fira Sans', sans-serif;
  --font-body:    'Lato', sans-serif;

  --max-width: 900px;
  --header-height: 60px;
  --radius: 6px;
  --shadow: 0 2px 8px rgba(0,0,0,.12);
  --transition: .2s ease;
}

/* ============================================================
   CSS Reset
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

ul, ol {
  padding-left: 1.5rem;
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text-primary);
  margin-bottom: .5em;
}

h1 { font-size: clamp(2rem, 5vw, 3rem);   font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem;  font-weight: 600; }
h5 { font-size: 1rem;    font-weight: 600; }
h6 { font-size: .9rem;   font-weight: 600; }

p { margin-bottom: 1rem; }

ul, ol { margin-bottom: 1rem; }

li { margin-bottom: .25rem; }

strong { font-weight: 700; }

em { font-style: italic; }

blockquote {
  border-left: 4px solid var(--color-accent);
  padding: .75rem 1rem;
  margin: 1.5rem 0;
  background: var(--color-surface-alt);
  font-style: italic;
  color: var(--color-text-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

code {
  font-family: 'Courier New', Courier, monospace;
  font-size: .9em;
  background: var(--color-surface-alt);
  padding: .15em .4em;
  border-radius: 3px;
  color: var(--color-primary);
}

pre {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: 1.5rem;
  font-size: .9rem;
  line-height: 1.6;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

main {
  flex: 1;
}

section {
  padding: 3rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin: .5rem auto 0;
  border-radius: 2px;
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  background: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1rem;
}

.site-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text-inverse) !important;
  text-decoration: none !important;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-brand:hover {
  color: var(--color-border) !important;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: .25rem;
  padding: 0;
  margin: 0;
}

.site-nav ul li a {
  color: var(--color-text-inverse);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: .95rem;
  padding: .4rem .75rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
  display: block;
}

.site-nav ul li a:hover,
.site-nav ul li a.active {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  text-decoration: none;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: 2px solid rgba(255,255,255,.6);
  border-radius: var(--radius);
  cursor: pointer;
  padding: .35rem .5rem;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-inverse);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 2rem 0;
  margin-top: auto;
  text-align: center;
}

.site-footer p {
  margin-bottom: .5rem;
  font-size: .9rem;
  opacity: .9;
}

.site-footer a {
  color: var(--color-border);
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
}

.site-footer a:hover {
  color: var(--color-text-inverse);
  text-decoration: underline;
  opacity: 0.8;
}

.site-footer a img {
  margin: 0 0.25rem;
  transition: transform 0.2s;
}

.site-footer a:hover img {
  transform: scale(1.15);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 1rem;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  color: var(--color-text-inverse);
  margin-bottom: .5rem;
}

.hero .tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--color-border);
  margin-bottom: 1.5rem;
}

.hero .lead {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  opacity: .9;
}

.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background: #c0392b;
  color: var(--color-text-inverse);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(231,76,60,.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-inverse);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.1);
  color: var(--color-text-inverse);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  text-decoration: none;
}

.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   Cards
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: .75rem;
}

.card h3 {
  margin-bottom: .5rem;
  color: var(--color-primary);
}

.card p {
  color: var(--color-text-secondary);
  font-size: .95rem;
  margin-bottom: 1rem;
}

.card .card-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-accent);
}

/* ============================================================
   Page Header (inner pages)
   ============================================================ */
.page-header {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 2.5rem 0;
}

.page-header h1 {
  color: var(--color-text-inverse);
  margin-bottom: .25rem;
}

.page-header .page-subtitle {
  color: var(--color-border);
  font-size: 1.05rem;
}

/* ============================================================
   Prose / Article Content
   ============================================================ */
.prose {
  max-width: 760px;
}

.prose h2 {
  margin-top: 2rem;
  margin-bottom: .75rem;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--color-surface-alt);
}

.prose h3 {
  margin-top: 1.5rem;
  margin-bottom: .5rem;
  color: var(--color-primary-light);
}

.prose h4 {
  margin-top: 1.25rem;
  margin-bottom: .4rem;
}

.prose ul,
.prose ol {
  margin-bottom: 1rem;
}

.prose li {
  margin-bottom: .4rem;
}

.article-meta {
  color: var(--color-text-secondary);
  font-size: .9rem;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.article-meta time {
  font-weight: 700;
}

/* Tags */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.tag {
  display: inline-block;
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  font-size: .8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: .25rem .65rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

/* Article list on hub page */
.article-list {
  list-style: none;
  padding: 0;
}

.article-list li {
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
}

.article-list li:last-child {
  border-bottom: none;
}

.article-list .article-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: .3rem;
  display: block;
}

.article-list .article-title:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.article-list .article-date {
  color: var(--color-text-secondary);
  font-size: .85rem;
  margin-bottom: .5rem;
}

.article-list .article-excerpt {
  color: var(--color-text-secondary);
  font-size: .95rem;
}

/* ============================================================
   About Page
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-top: 2rem;
}

.about-photo {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--color-border);
  box-shadow: var(--shadow);
}

.about-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

/* ============================================================
   CV Page
   ============================================================ */
.cv-section {
  margin-bottom: 2.5rem;
}

.cv-section h2 {
  color: var(--color-primary);
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: .4rem;
  margin-bottom: 1.25rem;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.cv-job {
  margin-bottom: 1.75rem;
  padding-left: 1rem;
  border-left: 3px solid var(--color-surface-alt);
}

.cv-job:hover {
  border-left-color: var(--color-accent);
}

.cv-job-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: .1rem;
}

.cv-job-meta {
  color: var(--color-text-secondary);
  font-size: .9rem;
  margin-bottom: .6rem;
  font-style: italic;
}

.cv-job ul {
  margin-bottom: 0;
  font-size: .95rem;
}

.cv-skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: .75rem;
}

.cv-skill-item {
  background: var(--color-surface-alt);
  padding: .6rem 1rem;
  border-radius: var(--radius);
  font-size: .9rem;
}

.cv-skill-item strong {
  display: block;
  color: var(--color-primary);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .2rem;
}

/* ============================================================
   Consulting Page
   ============================================================ */
.consulting-logo {
  max-width: 280px;
  margin-bottom: 1.5rem;
}

.consulting-contact {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: var(--color-surface-alt);
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
}

.consulting-contact a {
  color: var(--color-primary);
}

.services-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}

.services-list li {
  background: var(--color-surface-alt);
  padding: .6rem 1rem;
  border-radius: var(--radius);
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.services-list li::before {
  content: '✓';
  color: var(--color-accent-alt);
  font-weight: 700;
  flex-shrink: 0;
}

.philosophy-list {
  list-style: none;
  padding: 0;
}

.philosophy-list li {
  padding: .5rem 0 .5rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.philosophy-list li:last-child { border-bottom: none; }

.philosophy-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  padding: 2.5rem;
  border-radius: var(--radius);
  text-align: center;
  margin-top: 2rem;
}

.cta-box h2 {
  color: var(--color-text-inverse);
  margin-bottom: .75rem;
}

.cta-box p {
  color: var(--color-border);
  margin-bottom: 1.25rem;
}

/* ============================================================
   Birds Page
   ============================================================ */
.birds-hero-img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

/* Photo Gallery */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.photo-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow);
}

.photo-gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform .3s ease;
}

.photo-gallery figure:hover img {
  transform: scale(1.05);
}

/* ============================================================
   Archive Page
   ============================================================ */
.archive-list {
  list-style: none;
  padding: 0;
}

.archive-list li {
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--color-border);
  font-family: 'Courier New', monospace;
  font-size: .9rem;
  color: var(--color-text-secondary);
}

.archive-list li:last-child { border-bottom: none; }

/* ============================================================
   404 Page
   ============================================================ */
.error-page {
  text-align: center;
  padding: 5rem 1.5rem;
}

.error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-surface-alt);
  line-height: 1;
  margin-bottom: .5rem;
}

.error-page h2 {
  margin-bottom: 1rem;
}

.error-page p {
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto 1.5rem;
}

.error-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
  font-size: .85rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  display: flex;
  gap: .5rem;
  align-items: center;
}

.breadcrumb a { color: var(--color-accent); }

.breadcrumb-sep { color: var(--color-border); }

/* ============================================================
   Utility
   ============================================================ */
.text-secondary { color: var(--color-text-secondary); }
.text-center    { text-align: center; }
.mt-1  { margin-top: 1rem; }
.mt-2  { margin-top: 2rem; }
.mb-0  { margin-bottom: 0; }
.mb-1  { margin-bottom: 1rem; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}


/* ============================================================
   Responsive — Tablet (768px)
   ============================================================ */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-primary-light);
    padding: 1rem 1.5rem 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
  }

  .nav-open .site-nav {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: .25rem;
  }

  .site-nav ul li a {
    padding: .6rem .75rem;
    border-radius: var(--radius);
    font-size: 1rem;
  }

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

  .about-photo {
    margin: 0 auto;
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

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

  section {
    padding: 2rem 0;
  }

  .consulting-contact {
    flex-direction: column;
    gap: .75rem;
  }


}

/* ============================================================
   Responsive — Mobile (480px)
   ============================================================ */
@media (max-width: 480px) {
  .photo-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .photo-gallery img {
    height: 160px;
  }

  .cta-box {
    padding: 1.75rem 1.25rem;
  }
}

/* ============================================================
   Print (CV page)
   ============================================================ */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .breadcrumb,
  .btn {
    display: none !important;
  }

  body {
    font-size: .9rem;
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .cv-section h2 {
    border-bottom-color: #000;
  }

  .page-header {
    background: none;
    padding: .5rem 0;
  }

  .page-header h1 {
    color: #000;
    font-size: 1.5rem;
  }

  .page-header .page-subtitle {
    color: #333;
  }

  main {
    padding: 0;
  }

  section {
    padding: .75rem 0;
  }
}