/* =========================================
   HOME ENVIRO — SUPPLEMENTAL STYLES
   For homeenviroinspection.com multi-page rebuild.
   Adds a few CSS variables + legacy content components
   (stat cards, timeline, diagrams, evidence grid, etc.)
   that exist on the original one-page site but not yet
   in the shared master stylesheet (css/styles.css).
   Do NOT redefine anything already in css/styles.css.
   ========================================= */

:root {
  --color-mint: #a7f3d0;
  --color-bright: #ffffff;
}

/* ---- Resource / topic cards (Resource Center, Services overview) ---- */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}
.resource-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: block;
}
.resource-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--color-primary); }
.resource-card__icon {
  width: 52px; height: 52px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.resource-card__title { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-3); color: var(--color-text); font-family: var(--font-display); }
.resource-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; margin-bottom: var(--space-4); }
.resource-card__meta { font-size: var(--text-xs); font-weight: 700; color: var(--color-primary); }


/* ---- Legacy content components (ported from original homeenviroinspection.com) ---- */

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.stat-card__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  display: block;
}
.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-card--lg {
  padding: var(--space-8) var(--space-6);
}
.stat-card--lg .stat-card__num {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}
.stat-card--lg .stat-card__label {
  font-size: var(--text-sm);
  font-weight: 600;
}

.credential-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
}
.section--dark .pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--color-bright);
}

/* Who we are — office photo */
.about-photo {
  margin-top: var(--space-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.about-photo img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* Featured investigation */
.investigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
@media (max-width: 900px) {
  .investigation {
    grid-template-columns: 1fr;
  }
}
.investigation img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.investigation__steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.investigation__step {
  display: flex;
  gap: var(--space-4);
}
.investigation__step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
}
.investigation__step h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}
.investigation__step p {
  font-size: var(--text-sm);
}

/* Methodology steps */
.method-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-6);
}
@media (max-width: 900px) {
  .method-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 560px) {
  .method-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}
.method-step {
  text-align: center;
}
.method-step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  box-shadow: 0 0 0 6px var(--color-primary-light);
}
.method-step h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.method-step p {
  font-size: var(--text-xs);
}

/* Evidence gallery */
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 900px) {
  .evidence-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .evidence-grid {
    grid-template-columns: 1fr;
  }
}
.evidence-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.evidence-item img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}
.evidence-item__caption {
  padding: var(--space-4) var(--space-5);
}
.evidence-item__caption h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.evidence-item__caption p {
  font-size: var(--text-xs);
  margin: 0;
}

/* Bio section */
.bio-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-16);
  align-items: start;
}
@media (max-width: 900px) {
  .bio-grid {
    grid-template-columns: 1fr;
  }
}
.bio-grid img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.bio-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.bio-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.bio-list svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Legal sections */
.legal-section h2 {
  margin-top: var(--space-2);
  margin-bottom: var(--space-6);
}
.legal-section p {
  margin-bottom: var(--space-4);
}

/* Field Photo Gallery */
.field-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
@media (max-width: 900px) {
  .field-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .field-gallery-grid {
    grid-template-columns: 1fr;
  }
}
.field-gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.field-gallery-item img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform var(--transition-interactive);
}
.field-gallery-item:hover img {
  transform: scale(1.04);
}
.field-gallery-item figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(to top, rgba(9, 22, 46, 0.88), rgba(9, 22, 46, 0));
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* Investigation Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline__item {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}
.timeline__node {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-mint);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.timeline__content h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-base);
  color: #fff;
  margin-bottom: var(--space-1);
}
.timeline__content p {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  max-width: 56ch;
}
.timeline__connector {
  width: 1px;
  height: var(--space-8);
  background: rgba(255, 255, 255, 0.2);
  margin-left: 22px;
}

/* Technical Diagrams */
.diagram-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 900px) {
  .diagram-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .diagram-grid {
    grid-template-columns: 1fr;
  }
}
.diagram-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.diagram-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: #fff;
}
.diagram-card figcaption {
  padding: var(--space-4) var(--space-5);
}
.diagram-card h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}
.diagram-card p {
  font-size: var(--text-xs);
  margin: 0;
}

/* Latest Research tag */

/* ---- Compatibility layer: legacy classes used by index.html and preserved
   case-study-*.html pages (card, grid, eyebrow, lede, section-header) ---- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section--dark .eyebrow { color: var(--color-mint); }

.section-header { max-width: 68ch; margin-bottom: clamp(var(--space-10), 5vw, var(--space-16)); }
.section-header--center { margin-inline: auto; text-align: center; }

.lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 62ch; }
.section--dark .lede { color: rgba(255,255,255,0.7); }

.grid { display: grid; gap: var(--space-8); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 900px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid--2, .grid--3, .grid--4, .grid--6 { grid-template-columns: 1fr; } }

.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); }
.card:hover { box-shadow: var(--shadow-md); border-color: var(--color-primary); }
.card__icon { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: var(--radius-lg); background: var(--color-primary-light); color: var(--color-primary); margin-bottom: var(--space-5); flex-shrink: 0; }
.card--link { text-decoration: none; display: block; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.card--link:hover { transform: translateY(-4px); }
.card__meta { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); font-weight: 700; color: var(--color-primary); margin-top: var(--space-4); }
.card h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; margin-bottom: var(--space-2); color: var(--color-text); }
.card p { color: var(--color-text-muted); font-size: var(--text-base); line-height: 1.7; }