/* ============================================================
   LawTasksAI — shared.css
   Canonical header, footer, base typography, and nav JS behaviour.
   Loaded on every page. redesign.css supplements (index-only sections).
   ============================================================ */

/* ---- Variables (duplicate in redesign.css for pages that load both) ---- */
:root {
  --blue:        #2563eb;
  --blue-dark:   #1d4ed8;
  --blue-light:  #dbeafe;
  --blue-xlight: #eff6ff;
  --ink:         #0f172a;
  --ink-2:       #1e293b;
  --muted:       #374151;
  --muted-2:     #6b7280;
  --border:      #e2e8f0;
  --bg:          #f8fafc;
  --white:       #ffffff;
  --green:       #16a34a;
  --amber:       #f59e0b;
  --red:         #dc2626;
}

/* ---- Base reset & typography ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.0625rem !important;  /* 17px baseline */
  font-weight: 450;
  line-height: 1.7;
  color: #0f172a !important;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p, li {
  font-size: 1rem;          /* body copy: 1rem minimum */
  line-height: 1.7;
}

small, .small, figcaption, caption {
  font-size: 0.95rem;      /* small/secondary text: 0.875rem minimum */
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ============================================================
   SHARED HEADER
   ============================================================ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

/* For pages that use class="main-header" instead of bare <header> */
header.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

/* Document-style page headers (mastheads, site-header) are NOT nav headers */
header.site-header,
header.masthead {
  position: static;
  background: initial;
  backdrop-filter: none;
  border-bottom: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 12px;
}

/* ---- Logo ---- */
.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}
.logo span { color: var(--blue); }

/* ---- Nav links ---- */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links > a,
.nav-links .dropdown-toggle {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 7px 11px;
  border-radius: 7px;
  transition: color 0.15s, background 0.15s;
}
.nav-links > a:hover,
.nav-links .dropdown-toggle:hover {
  color: var(--ink);
  background: var(--bg);
}

/* ---- Dropdown ---- */
.dropdown { position: relative; }

.dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-family: inherit;
}
.dropdown-toggle::after {
  content: '▾';
  font-size: 0.85rem;
  opacity: 0.55;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  min-width: 220px;
  padding: 6px;
  z-index: 200;
}
.dropdown:hover .dropdown-menu { display: block; }

.dropdown-menu a {
  display: block;
  padding: 9px 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  border-radius: 6px;
  transition: all 0.15s;
}
.dropdown-menu a:hover { background: var(--bg); color: var(--ink); }

/* ---- CTA button in nav ---- */
.header-cta {
  padding: 9px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--blue);
  color: white !important;
  transition: background 0.15s;
  flex-shrink: 0;
}
.header-cta:hover { background: var(--blue-dark); }

/* ---- Hamburger ---- */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 300;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  transition: all 0.3s;
  border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ---- Mobile overlay ---- */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 150;
}
.mobile-overlay.active { display: block; }

/* ============================================================
   SHARED FOOTER  (.site-footer-shared)
   ============================================================ */
footer.site-footer-shared {
  background: var(--ink);
  color: #64748b;
  padding: 48px 0 32px;
}

footer.site-footer-shared .footer-disclaimer {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 12px 18px;
  margin-bottom: 32px;
}

footer.site-footer-shared .disclaimer-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 8px;
}

footer.site-footer-shared .footer-disclaimer span {
  font-size: 0.95rem;
  color: #94a3b8;
}

footer.site-footer-shared .footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
  margin-bottom: 32px;
}

footer.site-footer-shared .footer-brand .logo {
  color: white;
  display: block;
  margin-bottom: 10px;
}

footer.site-footer-shared .footer-brand p {
  font-size: 0.95rem;
  color: #64748b;
  max-width: 300px;
  line-height: 1.6;
}

footer.site-footer-shared .footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
}

footer.site-footer-shared .footer-links a {
  color: #64748b;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s;
}
footer.site-footer-shared .footer-links a:hover { color: white; }

footer.site-footer-shared .footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  font-size: 0.95rem;
  color: #475569;
}

footer.site-footer-shared .footer-bottom a {
  color: #64748b;
  text-decoration: none;
  transition: color 0.15s;
}
footer.site-footer-shared .footer-bottom a:hover { color: white; }

/* ============================================================
   RESPONSIVE — header & footer
   ============================================================ */
@media (max-width: 768px) {
  .hamburger { display: block; }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 72px 20px 28px;
    gap: 0;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    z-index: 200;
    align-items: flex-start;
    overflow-y: auto;
  }
  .nav-links.active { display: flex; }

  .nav-links > a,
  .nav-links .dropdown-toggle {
    width: 100%;
    padding: 12px 6px;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .dropdown { width: 100%; }
  .dropdown:hover .dropdown-menu { display: none; }
  .dropdown.mobile-open .dropdown-menu { display: block; }
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: 10px;
    border-radius: 0;
  }

  .header-cta { width: 100%; text-align: center; margin-top: 12px; }

  footer.site-footer-shared .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
}