/* ═══════════════════════════════════════════
   HAILEY L JOHNSON — Academic Website
   Design: Warm organic minimalism
   Palette: Earthy greens + warm sand + amber
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,700;1,9..144,400;1,9..144,600&family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&family=DM+Mono:wght@300;400&display=swap');

/* ── TOKENS ── */
:root {
  --green-deep:   #2a4030;
  --green-rich:   #3d6147;
  --green-mid:    #5a8a62;
  --green-light:  #8ab890;
  --green-pale:   #c4d9c6;
  --green-mist:   #edf4ee;
  --sand:         #f6f1e9;
  --sand-dark:    #ede7db;
  --amber:        #8a5520;
  --amber-light:  #d4a06a;
  --amber-pale:   #f2e4ce;
  --text-dark:    #1c2e20;
  --text-mid:     #3a5540;
  --text-light:   #4d6e53;
  --white:        #fefffe;
  --focus-ring:   #2a6db5;

  --font-display: 'Lora', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;

  --radius-sm:  3px;
  --radius-md:  6px;
  --shadow-sm:  0 2px 8px rgba(42,64,48,0.08);
  --shadow-md:  0 8px 32px rgba(42,64,48,0.12);
  --shadow-lg:  0 20px 60px rgba(42,64,48,0.15);

  --max-w: 1080px;
  --nav-h: 64px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
img, video { max-width: 100%; display: block; }
a { color: var(--green-rich); }
ul { list-style: none; }

/* ── LANGUAGE TOGGLE ── */
.lang-simple { display: none; }
.simple-mode .lang-academic { display: none; }
.simple-mode .lang-simple   { display: inline; }
.simple-mode div.lang-simple,
.simple-mode section.lang-simple { display: block; }

.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: none;
  border: 1.5px solid var(--green-mid);
  border-radius: 20px;
  padding: .28rem .65rem;
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--green-deep);
  transition: background .18s, color .18s, border-color .18s;
  white-space: nowrap;
  flex-shrink: 0;
}
.lang-toggle-btn:hover {
  background: var(--green-mist);
  border-color: var(--green-rich);
}
.lang-toggle-btn[aria-checked="true"] {
  background: var(--green-deep);
  color: var(--white);
  border-color: var(--green-deep);
}
.lang-toggle-track {
  width: 24px; height: 13px;
  border-radius: 7px;
  background: currentColor;
  opacity: .35;
  position: relative;
  flex-shrink: 0;
  transition: opacity .18s;
}
.lang-toggle-btn[aria-checked="true"] .lang-toggle-track { opacity: .7; }
.lang-toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: white;
  transition: left .18s;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.lang-toggle-btn[aria-checked="true"] .lang-toggle-thumb { left: 13px; }

/* ── SKIP LINK (Accessibility) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  background: var(--green-deep);
  color: var(--white);
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ── FOCUS STYLES ── */
:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── BODY ── */
body {
  font-family: var(--font-body);
  background-color: var(--sand);
  color: var(--text-dark);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── GRAIN OVERLAY ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9000;
}

/* ── NAVIGATION ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--nav-h);
  background: rgba(246, 241, 233, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--green-pale);
  display: flex;
  align-items: center;
  padding: 0 2.5rem;
  justify-content: space-between;
  gap: 2rem;
}

.nav-home {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--green-deep);
  text-decoration: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-home:hover { color: var(--green-rich); }

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

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-mid);
  text-decoration: none;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.18s, background 0.18s;
}
.nav-links a:hover        { color: var(--green-deep); background: var(--green-mist); }
.nav-links a[aria-current="page"] {
  color: var(--green-deep);
  background: var(--green-pale);
  font-weight: 400;
}

/* ── MOBILE NAV TOGGLE ── */
.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--green-pale);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--green-deep);
  font-size: 1.1rem;
  line-height: 1;
}
.nav-toggle:focus-visible { outline: 3px solid var(--focus-ring); }

/* ── PAGE WRAPPER ── */
.page-wrapper {
  flex: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3.5rem 2.5rem 5rem;
}

/* ── PAGE HEADER ── */
.page-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--green-pale);
}

.page-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  color: var(--green-deep);
  line-height: 1.15;
  font-weight: 600;
}

.page-subtitle {
  margin-top: 0.75rem;
  font-size: 1.05rem;
  color: var(--text-light);
  font-weight: 300;
  max-width: 60ch;
}

/* ── SECTION HEADING ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-rich);
  margin-bottom: 0.4rem;
}

h2.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  color: var(--green-deep);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

/* ── PROSE ── */
.prose {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.8;
  max-width: 70ch;
}
.prose p { margin-bottom: 1.1rem; }
.prose a { color: var(--green-rich); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--green-deep); }
.prose strong { color: var(--text-dark); font-weight: 500; }
.prose ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1.1rem; }
.prose ul li { margin-bottom: 0.35rem; }

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: linear-gradient(to right, var(--green-pale) 0%, transparent 100%);
  margin: 3rem 0;
  border: none;
}

/* ── BADGE ── */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  line-height: 1.6;
}
.badge-green  { background: var(--green-mist); color: var(--green-rich); border: 1px solid var(--green-pale); }
.badge-amber  { background: var(--amber-pale);  color: var(--amber);      border: 1px solid var(--amber-light); }
.badge-active { background: var(--green-mist); color: var(--green-rich); border: 1px solid var(--green-pale); }
.badge-done   { background: var(--sand-dark);  color: var(--text-light); border: 1px solid var(--green-pale); }

.status-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green-light);
  margin-right: 5px;
  vertical-align: middle;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--green-deep);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--green-rich); box-shadow: var(--shadow-md); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--green-deep);
  border: 1.5px solid var(--green-mid);
}
.btn-outline:hover { background: var(--green-mist); }

/* ── REVEAL ANIMATION ── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── FOOTER ── */
.site-footer {
  background: #3a5c3e;
  color: var(--green-pale);
  padding: 2.5rem;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-name {
  font-family: 'Fraunces', serif;
  font-size: 1.05rem;
  color: var(--white);
}
.footer-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--green-pale);
  margin-top: 0.2rem;
  letter-spacing: 0.06em;
}
.footer-links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  align-items: center;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  transition: color 0.18s;
}
.footer-links a:hover { color: var(--green-pale); }
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--green-pale);
}

/* ── PROJECT DETAIL PAGES ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-light);
  text-decoration: none;
  margin-bottom: 2.5rem;
  transition: color 0.18s;
}
.back-link:hover { color: var(--green-rich); }

.project-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.project-gallery {
  margin: 2.5rem 0 3rem;
}

.gallery-grid {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--green-pale);
  flex: 1 1 300px;
  max-width: 600px;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

.gallery-caption {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
  padding: 0.45rem 0.75rem;
  background: var(--sand-dark);
}

.project-section {
  margin-bottom: 2.5rem;
}

.project-section h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--green-deep);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--green-pale);
}

.project-section p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.85;
}

.project-section p + p { margin-top: 0.75rem; }

.project-resources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* ── RESPONSIVE ── */
@media (max-width: 720px) {
  .site-nav { padding: 0 1.25rem; }
  .nav-toggle { display: flex; align-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--sand);
    border-bottom: 1px solid var(--green-pale);
    flex-direction: column;
    padding: 1rem 1.25rem;
    gap: 0.1rem;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 0.8rem; padding: 0.6rem 0.9rem; }
  .lang-toggle-btn { font-size: 0.58rem; padding: 0.22rem 0.5rem; }
  .page-wrapper { padding: 2.5rem 1.25rem 4rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.2rem; }
}