/* =============================================================
   layout.css — Lytton Studio
   Mobile-first · Responsive · WCAG AA
   
   KAB: updated 18 July 2026
   ============================================================= */

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

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

body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }

#site {
  display: flex;
  flex-direction: column;
  flex: 1 0 auto;
  width: 100%;
}

#skipNav {
  position: absolute; left: -999rem; top: 0;
  padding: 0.5rem 1rem; background: #000; color: #fff; z-index: 2000;
}
#skipNav:focus { left: 0.5rem; top: 0.5rem; }

:root {
  --page-pad:    1rem;
  --page-pad-md: 2rem;
  --page-pad-lg: 3rem;
  --page-pad-xl:  4rem;
  --page-pad-xxl: 6rem;
}

/* ── Sticky site-header wrapper (masthead + nav band travel together) ── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
}

/* ── Masthead ── */
#masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem var(--page-pad);
  width: 100%;
  min-height: 3.5rem;
}

#masthead .logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

#masthead .brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  min-width: 0;
}

#masthead .brand-name {
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

#masthead .brand-tagline {
  font-size: clamp(0.65rem, 2vw, 0.78rem);
  line-height: 1.3;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Hamburger ── */
#nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.35rem;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 0.5rem;
  flex-shrink: 0;
}
#nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
#nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
#nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Nav — mobile hidden ── */
.global-nav { display: none; width: 100%; }
.global-nav.is-open { display: block; }

.global-nav ul { list-style: none; margin: 0; padding: 0.5rem 0; display: flex; flex-direction: column; }
.global-nav li { margin: 0; }
.global-nav a {
  display: block;
  padding: 0.75rem var(--page-pad);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.global-nav li:last-child a { border-bottom: none; }

/* ── Tablet 640px+ ── */
@media (min-width: 40rem) {
  #nav-toggle { display: none; }

  .global-nav {
    display: block !important;
    width: 100%;
  }
  .global-nav ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.4rem var(--page-pad-md);
  }
  .global-nav a {
    padding: 0.3rem 0.85rem;
    border-radius: var(--ls-radius-pill, 999rem);
    border-bottom: none;
    font-size: 0.9rem;
  }
  #masthead { padding: 0.6rem var(--page-pad-md); }
  #masthead .logo-img { width: 48px; height: 48px; }
}

/* ── Desktop 1024px+ ── */
@media (min-width: 64rem) {
  #masthead { padding: 0.75rem var(--page-pad-lg); }
  #masthead .logo-img { width: 56px; height: 56px; }
  .global-nav ul { padding: 0.5rem var(--page-pad-lg); gap: 0.35rem; }
}

/* ── Main content ── */
main, .main-content {
  flex: 1 0 auto;
  padding: 1.5rem var(--page-pad) 2.5rem;
}
@media (min-width: 40rem) {
  main, .main-content { padding: 2rem var(--page-pad-md) 3rem; }
}
@media (min-width: 64rem) {
  main, .main-content {
    padding: 2.5rem var(--page-pad-lg) 4rem;
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }
}

section { margin-bottom: 1.5rem; }
section:last-of-type { margin-bottom: 0; }
.main-content ul { padding-left: 1.25rem; }



/* ── Service grid (2-col on tablet+) ── */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 40rem) {
  .service-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Footer ── */
footer {
  flex-shrink: 0;
  padding: 1.5rem var(--page-pad) 2rem;
}
@media (min-width: 40rem) { footer { padding: 2rem var(--page-pad-md); } }
@media (min-width: 64rem) { footer { padding: 2.5rem var(--page-pad-lg); } }

/* ── About page two-column grid ── */
/* ── About page two-column grid ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.about-main {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 40rem) {
  .about-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .about-sidebar {
    float: none;
    width: auto;
    margin: 0;
  }
}

@media (min-width: 64rem) {
  .about-grid {
    grid-template-columns: 2fr 1fr;
  }

  .about-page .about-sidebar {
    position: sticky;
    top: 5rem;
  }
}


/* ── About page two-column grid ── 
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 40rem) {
  .about-grid {
    grid-template-columns: 4fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }
}

.about-main {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 40rem) {
  .about-sidebar {
    float: right;
    width: 220px;
    margin: 0 0 1rem 1.5rem;
  }
  .about-grid {
    display: block;
  }
}

@media (min-width: 64rem) {
  .about-page .about-sidebar {
    position: sticky;
    top: 5rem;
  }
} */ 

/* ── Quote blocks (sidebar version) ── */
.quote-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Equal gutter between quote and certifications in sidebar */
.about-sidebar .quote-column {
  gap: 1.25rem;
}
.about-sidebar section {
  margin-top: 0.25rem;
}

.quote-block {
  background: linear-gradient(135deg, rgba(191,216,193,0.35), rgba(207,199,232,0.30));
  border: 1px solid var(--ls-border);
  border-left: 3px solid var(--ls-teal);
  border-radius: var(--ls-radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--ls-shadow);
}

.quote-block p {
  font-style: italic;
  color: var(--ls-text);
  margin-bottom: 0.35rem;
}

.quote-block .author {
  display: block;
  font-size: 0.82rem;
  color: var(--ls-text-muted);
}

/* =============================================================
   WIDE SCREEN ADDITIONS — appended March 2026
   Handles 1280px, 1600px, 1920px+ monitors without dead margins
   ============================================================= */

/* ── Wide desktop 1280px+ ── */
@media (min-width: 80rem) {
  main, .main-content {
    max-width: 84rem;
    padding-left: var(--page-pad-xl);
    padding-right: var(--page-pad-xl);
  }

  #masthead {
    padding-left: var(--page-pad-xl);
    padding-right: var(--page-pad-xl);
  }

  .global-nav ul {
    padding-left: var(--page-pad-xl);
    padding-right: var(--page-pad-xl);
  }

  footer {
    padding-left: var(--page-pad-xl);
    padding-right: var(--page-pad-xl);
  }
}

/* ── Ultra-wide 1600px+ ── */
@media (min-width: 100rem) {
  main, .main-content {
    max-width: 96rem;
    padding-left: var(--page-pad-xxl);
    padding-right: var(--page-pad-xxl);
  }

  #masthead {
    padding-left: var(--page-pad-xxl);
    padding-right: var(--page-pad-xxl);
  }

  .global-nav ul {
    padding-left: var(--page-pad-xxl);
    padding-right: var(--page-pad-xxl);
  }

  footer {
    padding-left: var(--page-pad-xxl);
    padding-right: var(--page-pad-xxl);
  }
}

/* ── 1920px+ monitors ── */
/* Content caps at 108rem; side padding grows to fill gracefully */
@media (min-width: 120rem) {
  main, .main-content {
    max-width: 108rem;
  }
}