/* Bischof Construction — simple static site
   Mobile-first, Cloudflare Pages–friendly */

:root {
  --color-bg: #1a1a1a;
  --color-surface: #2d2d2d;
  --color-text: #f0f0f0;
  --color-muted: #b0b0b0;
  --color-accent: #c9a227;
  --color-link: #e0c04a;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --space: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --touch-min: 44px;
  --max-width: 900px;
}

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

html {
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space);
  padding: var(--space);
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
  font-weight: 600;
  z-index: 100;
  transition: top 0.2s;
}
.skip-link:focus {
  top: var(--space);
}

a { color: var(--color-link); }
a:hover, a:focus { text-decoration: underline; }

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space);
}

/* Header */
.site-header {
  background: var(--color-surface);
  padding: var(--space-lg) var(--space);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: inline-block;
  margin-bottom: var(--space);
}
.logo img {
  max-height: 60px;
  width: auto;
}

.tagline {
  margin: 0 0 var(--space);
  font-size: 0.95rem;
  color: var(--color-muted);
}

.nav ul {
  list-style: none;
  margin: 0 0 var(--space);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.nav a {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  line-height: 2.2;
  text-decoration: none;
  color: var(--color-text);
}
.nav a:hover, .nav a:focus {
  color: var(--color-accent);
  text-decoration: none;
}

.header-inner .social {
  display: flex;
  gap: var(--space);
}
.header-inner .social a {
  min-height: var(--touch-min);
  padding: 0.5rem 0.75rem;
  line-height: 2.2;
  text-decoration: none;
}

/* Main sections */
main section {
  padding: var(--space-xl) 0;
}
main section:nth-child(even) {
  background: var(--color-surface);
}

.intro .lead {
  font-size: 1.1rem;
  margin-bottom: var(--space);
}

h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

/* Work / project grid */
.work-intro {
  margin: 0 0 var(--space-lg);
  max-width: 42em;
  color: var(--color-muted);
}
.work-outro {
  margin: var(--space-lg) 0 0;
  padding-top: var(--space);
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.95rem;
  color: var(--color-muted);
  max-width: 42em;
}
.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.project-card {
  background: var(--color-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.project-card img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.project-card h3 {
  margin: 0;
  padding: var(--space);
  font-size: 1.25rem;
}
.project-card p {
  margin: 0;
  padding: 0 var(--space) var(--space);
  font-size: 0.95rem;
  color: var(--color-muted);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space);
}

.gallery-item {
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-surface);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}
.gallery-item:hover img,
.gallery-item:focus img {
  transform: scale(1.03);
}
.gallery-item:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Testimonials */
.testimonials blockquote {
  margin: 0 0 var(--space-lg);
  padding: var(--space);
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg);
  border-radius: 0 8px 8px 0;
}
.testimonials blockquote:last-child {
  margin-bottom: 0;
}
.testimonials p {
  margin: 0 0 0.5rem;
  font-style: italic;
}
.testimonials cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Contact */
.contact .address {
  margin-bottom: var(--space);
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
  margin: var(--space) 0;
}
.btn {
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: 6px;
  font-weight: 600;
}
.btn:hover, .btn:focus {
  background: #d4ad2a;
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}
.contact-reveal {
  margin-top: var(--space);
  font-size: 1.1rem;
}

/* Footer */
.site-footer {
  padding: var(--space-lg) var(--space);
  background: var(--color-bg);
  border-top: 1px solid var(--color-surface);
  text-align: center;
}
.site-footer .social {
  display: flex;
  justify-content: center;
  gap: var(--space);
  margin: var(--space) 0;
}
.site-footer .social a {
  min-height: var(--touch-min);
  padding: 0.5rem 0.75rem;
  line-height: 2.2;
  text-decoration: none;
}
.copy {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space);
}
.lightbox[hidden] {
  display: none !important;
}

.lightbox-close {
  position: absolute;
  top: var(--space);
  right: var(--space);
  width: var(--touch-min);
  height: var(--touch-min);
  padding: 0;
  font-size: 2rem;
  line-height: 1;
  background: var(--color-surface);
  color: var(--color-text);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-close:hover, .lightbox-close:focus {
  background: var(--color-accent);
  color: var(--color-bg);
  outline: 2px solid var(--color-text);
}

.lightbox-content {
  max-width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.lightbox-caption {
  margin: var(--space) 0 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Tablet and up */
@media (min-width: 600px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space);
  }
  .logo { margin-bottom: 0; }
  .tagline { margin: 0; flex: 1 1 100%; }
  .nav ul { margin: 0; margin-right: auto; }
  .header-inner .social { margin-left: auto; }
}

@media (min-width: 700px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}