/* =============================================================
   LARKEN — components.css
   Header, Footer, Buttons, Badges, Cards, Portfolio Grid.
   All classes use the ls- prefix. Zero !important.
   ============================================================= */


/* ============================================================
   1. HEADER / NAV
   ============================================================ */
.ls-header {
  position: sticky;
  top: 0;
  z-index: 9000;
  width: 100%;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--ls-border-subtle);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  height: var(--ls-nav-height);
  display: flex;
  align-items: center;
}

.ls-header.is-scrolled {
  background: rgba(10, 10, 10, 0.92);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.ls-header-inner {
  width: min(var(--ls-container-max), 100% - 80px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

/* Logo */
.ls-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
  color: var(--ls-text);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}
.ls-logo:hover { opacity: 0.8; color: var(--ls-text); }

/* Nav list */
.ls-nav { display: flex; }
.ls-nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.ls-nav-link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ls-text-muted);
  padding: 8px 14px;
  border-radius: var(--ls-radius-pill);
  transition: var(--ls-transition);
  white-space: nowrap;
}
.ls-nav-link:hover,
.ls-nav-item.is-active .ls-nav-link {
  color: var(--ls-text);
  background: var(--ls-surface-2);
}
.ls-nav-item.is-active .ls-nav-link {
  color: var(--ls-accent-2);
}

/* Hamburger button */
.ls-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--ls-surface-2);
  border: 1px solid var(--ls-border-subtle);
  border-radius: var(--ls-radius-sm);
  cursor: pointer;
  padding: 0;
  transition: var(--ls-transition);
}
.ls-burger:hover {
  background: var(--ls-surface-3);
  border-color: var(--ls-border-medium);
}

.ls-burger-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ls-text);
  border-radius: 2px;
  transition: var(--ls-transition);
  transform-origin: center;
}

/* Hamburger open state */
.ls-burger.is-open .ls-burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ls-burger.is-open .ls-burger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.ls-burger.is-open .ls-burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.ls-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 8000;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.ls-nav-overlay.is-open {
  opacity: 1;
}

/* Mobile nav — slide in from right */
@media (max-width: 768px) {
  .ls-burger { display: flex; }

  .ls-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--ls-surface);
    border-left: 1px solid var(--ls-border-subtle);
    padding: calc(var(--ls-nav-height) + 24px) 32px 48px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 8500;
    overflow-y: auto;
  }

  .ls-nav.is-open {
    transform: translateX(0);
  }

  .ls-nav-overlay { display: block; }

  .ls-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
  }

  .ls-nav-item { width: 100%; }

  .ls-nav-link {
    display: block;
    width: 100%;
    font-size: 1rem;
    padding: 14px 16px;
    border-radius: var(--ls-radius-sm);
  }

  .ls-header-inner {
    width: calc(100% - 48px);
  }
}


/* ============================================================
   2. FOOTER
   ============================================================ */
.ls-footer {
  background: var(--ls-surface);
  border-top: 1px solid var(--ls-border-subtle);
  padding-top: 80px;
}

.ls-footer-inner {
  width: min(var(--ls-container-max), 100% - var(--ls-section-pad-h) * 2);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
}

.ls-footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--ls-text);
  display: block;
  margin-bottom: 16px;
  transition: opacity 0.2s;
}
.ls-footer-logo:hover { opacity: 0.7; color: var(--ls-text); }

.ls-footer-tagline {
  color: var(--ls-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.ls-footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 24px;
}

.ls-footer-nav ul {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.ls-footer-nav a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ls-text-muted);
  padding: 6px 12px;
  border-radius: var(--ls-radius-pill);
  transition: var(--ls-transition);
}
.ls-footer-nav a:hover { color: var(--ls-text); background: var(--ls-surface-2); }

.ls-footer-social { display: flex; gap: 12px; }

.ls-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--ls-surface-2);
  border: 1px solid var(--ls-border-subtle);
  border-radius: 50%;
  color: var(--ls-text-muted);
  transition: var(--ls-transition);
}
.ls-social-link:hover {
  background: var(--ls-accent);
  border-color: var(--ls-accent);
  color: #ffffff;
  box-shadow: 0 0 20px var(--ls-glow);
  transform: translateY(-2px);
}

.ls-footer-bottom {
  border-top: 1px solid var(--ls-border-subtle);
  padding: 24px 0;
  text-align: center;
}
.ls-footer-bottom p {
  color: var(--ls-text-faint);
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .ls-footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .ls-footer-right {
    align-items: flex-start;
  }
  .ls-footer-nav ul { justify-content: flex-start; }
}


/* ============================================================
   3. BUTTONS
   ============================================================ */
.ls-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 14px 28px;
  border-radius: var(--ls-radius-pill);
  transition: var(--ls-transition);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  border: none;
  outline: none;
}

.ls-btn:focus-visible {
  outline: 2px solid var(--ls-accent);
  outline-offset: 3px;
}

/* Primary — filled indigo */
.ls-btn--primary {
  background: var(--ls-accent);
  color: #ffffff;
  box-shadow: 0 0 24px var(--ls-glow), 0 4px 16px rgba(0, 0, 0, 0.3);
}
.ls-btn--primary:hover {
  background: var(--ls-accent-2);
  color: #ffffff;
  box-shadow: 0 0 40px var(--ls-glow), 0 8px 32px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}
.ls-btn--primary:active { transform: translateY(0); }

/* Ghost — transparent outline */
.ls-btn--ghost {
  background: transparent;
  color: var(--ls-text);
  border: 1px solid var(--ls-border-subtle);
}
.ls-btn--ghost:hover {
  color: var(--ls-accent-2);
  border-color: var(--ls-accent);
  box-shadow: 0 0 16px var(--ls-glow-sm);
  transform: translateY(-2px);
}

/* Arrow animation */
.ls-btn-arrow { transition: transform 0.2s ease; display: inline-block; }
.ls-btn:hover .ls-btn-arrow { transform: translateX(4px); }


/* ============================================================
   4. BADGES / TAGS
   ============================================================ */
.ls-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ls-accent-2);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  padding: 4px 12px;
  border-radius: var(--ls-radius-pill);
  white-space: nowrap;
}


/* ============================================================
   5. PORTFOLIO CARDS
   ============================================================ */
.ls-card {
  background: var(--ls-surface);
  border: 1px solid var(--ls-border-subtle);
  border-radius: var(--ls-radius);
  overflow: hidden;
  transition: var(--ls-transition);
  display: flex;
  flex-direction: column;
}

.ls-card:hover {
  border-color: var(--ls-border);
  box-shadow: 0 0 40px var(--ls-glow-sm), 0 24px 64px rgba(0, 0, 0, 0.5);
  transform: translateY(-6px);
}

.ls-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.ls-card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--ls-surface-2);
}

.ls-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.ls-card:hover .ls-card-img {
  transform: scale(1.06);
}

.ls-card-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--ls-surface-2) 0%, var(--ls-surface-3) 100%);
}

.ls-card-body {
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}

.ls-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ls-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--ls-text);
  margin: 0;
  flex: 1;
}
.ls-card:hover .ls-card-title { color: var(--ls-accent-2); }

.ls-card-excerpt {
  font-size: 0.875rem;
  color: var(--ls-text-faint);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ls-card-cta {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ls-text-muted);
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
}
.ls-card:hover .ls-card-cta { color: var(--ls-accent-2); }

.ls-arrow { transition: transform 0.2s ease; display: inline-block; }
.ls-card:hover .ls-arrow { transform: translateX(4px); }


/* ============================================================
   6. PORTFOLIO GRID
   ============================================================ */
.ls-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* Staggered animation delay via CSS custom prop from PHP */
.ls-portfolio-grid > div {
  animation-delay: calc(var(--card-index, 0) * 80ms);
}

@media (max-width: 900px) {
  .ls-portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .ls-portfolio-grid { grid-template-columns: 1fr; gap: 20px; }
}


/* ============================================================
   7. EMPTY STATE
   ============================================================ */
.ls-empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--ls-text-faint);
}


/* ============================================================
   8. BACK LINK
   ============================================================ */
.ls-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ls-text-muted);
  transition: var(--ls-transition);
  padding: 8px 0;
}
.ls-back-link svg { transition: transform 0.2s ease; }
.ls-back-link:hover { color: var(--ls-accent-2); }
.ls-back-link:hover svg { transform: translateX(-4px); }


/* ============================================================
   9. PROSE (case study body content & Gutenberg / Elementor reset)
   ============================================================ */
.ls-prose,
.ls-case-content {
  color: var(--ls-text-muted);
  line-height: 1.85;
  font-size: 1.05rem;
  letter-spacing: -0.005em;
}

/* Reset Elementor widget container inline wrappers */
.ls-case-content .elementor-widget-container {
  display: block;
  width: 100%;
}

.ls-prose h2, .ls-case-content h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 48px 0 20px;
  color: var(--ls-text);
  line-height: 1.25;
}

.ls-prose h3, .ls-case-content h3 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 36px 0 16px;
  color: var(--ls-text);
  line-height: 1.3;
}

.ls-prose h4, .ls-case-content h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--ls-text);
}

.ls-prose p, .ls-case-content p {
  margin-bottom: 24px;
}

.ls-prose ul, .ls-case-content ul,
.ls-prose ol, .ls-case-content ol {
  padding-left: 24px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ls-prose li, .ls-case-content li {
  margin-bottom: 4px;
  color: var(--ls-text-muted);
}

.ls-prose a, .ls-case-content a {
  color: var(--ls-accent-2);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: var(--ls-transition);
}
.ls-prose a:hover, .ls-case-content a:hover {
  color: var(--ls-accent-3);
  text-shadow: 0 0 12px var(--ls-glow);
}

/* Figures & Images in Post Body */
.ls-prose figure, .ls-case-content figure,
.ls-prose img, .ls-case-content img,
.ls-prose .wp-block-image, .ls-case-content .wp-block-image {
  margin: 36px 0;
  width: 100%;
  height: auto;
  border-radius: var(--ls-radius);
}

.ls-prose img, .ls-case-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--ls-radius);
  border: 1px solid var(--ls-border-subtle);
  background: var(--ls-surface-2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.ls-prose img:hover, .ls-case-content img:hover {
  border-color: var(--ls-border);
  box-shadow: 0 0 40px var(--ls-glow-xs), 0 20px 60px rgba(0, 0, 0, 0.6);
  transform: translateY(-2px);
}

.ls-prose figcaption, .ls-case-content figcaption {
  font-size: 0.825rem;
  color: var(--ls-text-faint);
  text-align: center;
  margin-top: 10px;
  font-style: italic;
}

/* Callout Quote Boxes */
.ls-prose blockquote, .ls-case-content blockquote,
.ls-prose .wp-block-quote, .ls-case-content .wp-block-quote {
  border-left: 3px solid var(--ls-accent);
  padding: 20px 28px;
  background: var(--ls-surface);
  border-radius: 0 var(--ls-radius) var(--ls-radius) 0;
  margin: 32px 0;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ls-text);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.ls-prose strong, .ls-case-content strong {
  color: var(--ls-text);
  font-weight: 700;
}

.ls-prose code, .ls-case-content code {
  background: var(--ls-surface-2);
  color: var(--ls-accent-3);
  padding: 3px 8px;
  border-radius: var(--ls-radius-xs);
  font-size: 0.9em;
  font-family: var(--font-mono);
  border: 1px solid var(--ls-border-subtle);
}