/* global.css — shared styles across ALL pages */
/* Boston Tech Advisors — Global Styles */
/* ALL rules scoped to #bta-page to prevent WordPress/Elementor bleed */

/* =============================================
   FOOTER — SOCIAL ICONS
============================================= */
#bta-page .social-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
#bta-page .social-icon:hover {
  color: var(--white);
  border-color: var(--red);
  background: rgba(235,0,43,0.05);
}
#bta-page .social-icon svg {
  width: 16px;
  height: 16px;
  display: block;
  flex-shrink: 0;
}

/* =============================================
   NAV DROPDOWN
============================================= */
#bta-page .nav-item { position: relative; list-style: none; }

#bta-page .nav-link-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--light-muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  transition: color var(--transition);
  font-family: 'DM Sans', sans-serif;
  text-decoration: none;
}
#bta-page .nav-link-toggle:hover { color: var(--white); }

#bta-page .nav-chevron {
  transition: transform 250ms ease;
  flex-shrink: 0;
}
#bta-page .nav-item.has-dropdown.open .nav-chevron { transform: rotate(180deg); }

#bta-page .nav-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 220px;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  padding: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 100;
}
#bta-page .nav-item.has-dropdown.open .nav-dropdown {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

#bta-page .nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: 6px;
  color: var(--light-muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: background 200ms, color 200ms;
  font-family: 'DM Sans', sans-serif;
}
#bta-page .nav-dropdown-item:hover {
  background: rgba(235,0,43,0.08);
  color: #fff;
}

#bta-page .dropdown-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 200ms;
}
#bta-page .nav-dropdown-item:hover .dropdown-dot { opacity: 1; }

#bta-page .nav-item.active > a,
#bta-page .nav-item.active > .nav-link-toggle { color: var(--white); }
#bta-page .nav-item.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--red);
  border-radius: 1px;
}

/* Hamburger open state */
#bta-page .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#bta-page .hamburger.open span:nth-child(2) { opacity: 0; }
#bta-page .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 960px) {
  #bta-page .nav-links.mobile-open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(8,12,18,0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--navy-border);
    padding: 0.5rem 0 1.25rem;
    gap: 0;
  }
  #bta-page .nav-links.mobile-open .nav-item { width: 100%; }
  #bta-page .nav-links.mobile-open .nav-item > a,
  #bta-page .nav-links.mobile-open .nav-link-toggle {
    display: flex !important;
    justify-content: space-between;
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
    border-radius: 0;
    width: 100%;
  }
  #bta-page .nav-links.mobile-open .nav-dropdown {
    position: static;
    transform: none;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    pointer-events: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: rgba(235,0,43,0.04);
    padding: 0;
    transition: max-height 300ms ease, opacity 200ms ease;
  }
  #bta-page .nav-links.mobile-open .has-dropdown.open .nav-dropdown {
    opacity: 1;
    max-height: 220px;
    pointer-events: auto;
    padding: 0.25rem 0;
  }
  #bta-page .nav-links.mobile-open .nav-dropdown-item { padding: 0.7rem 2.5rem; }
  #bta-page .nav-item.active::after { display: none; }
}

/* =============================================
   BLOG — HERO
============================================= */
#bta-page .blog-hero {
  position: relative;
  background: linear-gradient(180deg, #080C12 0%, #0D1520 60%, #080C12 100%);
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 4vw, 4rem);
  overflow: hidden;
}
#bta-page .blog-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30,45,64,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,45,64,0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
  pointer-events: none;
}
#bta-page .blog-hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
#bta-page .blog-hero .eyebrow-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 1rem;
}
#bta-page .blog-hero h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.25rem;
}
#bta-page .blog-hero-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--light-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* =============================================
   BLOG — FILTER BAR
============================================= */
#bta-page .blog-filter-bar {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(8,12,18,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--navy-border);
  padding: 0.9rem 0;
}
#bta-page .blog-filter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
#bta-page .blog-filter-cats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
#bta-page .blog-filter-btn {
  background: transparent;
  border: 1px solid var(--navy-border);
  color: var(--muted);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: background 200ms, border-color 200ms, color 200ms;
  white-space: nowrap;
}
#bta-page .blog-filter-btn:hover,
#bta-page .blog-filter-btn.active {
  background: rgba(235,0,43,0.1);
  border-color: rgba(235,0,43,0.3);
  color: var(--white);
}

#bta-page .blog-search-wrap {
  position: relative;
  flex-shrink: 0;
}
#bta-page .blog-search-wrap svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--muted);
  pointer-events: none;
}
#bta-page #bta-blog-search {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  color: var(--white);
  border-radius: 6px;
  padding: 0.5rem 1rem 0.5rem 2.25rem;
  font-size: 0.875rem;
  font-family: 'DM Sans', sans-serif;
  width: 220px;
  transition: border-color 200ms;
  outline: none;
}
#bta-page #bta-blog-search::placeholder { color: var(--muted); }
#bta-page #bta-blog-search:focus { border-color: var(--red); }

/* =============================================
   BLOG — GRID
============================================= */
#bta-page .blog-grid-section { padding: clamp(3rem, 5vw, 5rem) 0; }

#bta-page #bta-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 960px) {
  #bta-page #bta-posts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  #bta-page #bta-posts-grid { grid-template-columns: 1fr; }
  #bta-page .blog-search-wrap { width: 100%; }
  #bta-page #bta-blog-search { width: 100%; }
  #bta-page .blog-filter-inner { flex-direction: column; align-items: flex-start; }
}

/* Loading spinner */
#bta-page #bta-loading {
  display: none;
  justify-content: center;
  align-items: center;
  grid-column: 1 / -1;
  padding: 4rem 0;
}
#bta-page .blog-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(235,0,43,0.15);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: bta-spin 0.7s linear infinite;
}
@keyframes bta-spin { to { transform: rotate(360deg); } }

/* Empty / error states */
#bta-page #bta-empty {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted);
  font-size: 1rem;
}
#bta-page .blog-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted);
}
#bta-page .blog-retry-btn {
  margin-top: 1rem;
  background: transparent;
  border: 1px solid var(--navy-border);
  color: var(--light-muted);
  border-radius: 6px;
  padding: 0.5rem 1.25rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 200ms, color 200ms;
}
#bta-page .blog-retry-btn:hover { border-color: var(--muted); color: var(--white); }

/* =============================================
   BLOG — POST CARD
============================================= */
#bta-page .blog-card {
  display: block;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 250ms ease, border-color 250ms ease, box-shadow 250ms ease;
}
#bta-page .blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(235,0,43,0.25);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

#bta-page .blog-card-thumb {
  position: relative;
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--navy-mid, #0D1520);
}
#bta-page .blog-card-thumb-placeholder {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(30,45,64,0.6) 25%, transparent 25%) -10px 0,
    linear-gradient(225deg, rgba(30,45,64,0.6) 25%, transparent 25%) -10px 0,
    linear-gradient(315deg, rgba(30,45,64,0.6) 25%, transparent 25%),
    linear-gradient(45deg, rgba(30,45,64,0.6) 25%, transparent 25%);
  background-size: 20px 20px;
  background-color: #0D1520;
  z-index: 0;
}
#bta-page .blog-card-thumb[style*="background-image"] .blog-card-thumb-placeholder {
  display: none;
}

#bta-page .blog-card-cat-badge {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: var(--red);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  z-index: 1;
  text-transform: uppercase;
}

#bta-page .blog-card-body { padding: 1.5rem; }

#bta-page .blog-card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#bta-page .blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#bta-page .blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--navy-border);
  padding-top: 1rem;
  margin-top: 1rem;
}
#bta-page .blog-card-date {
  font-size: 0.78rem;
  color: var(--muted);
}
#bta-page .blog-card-read-more {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--red);
}

/* =============================================
   BLOG — PAGINATION
============================================= */
#bta-page #bta-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 2.5rem 0 0;
  flex-wrap: wrap;
}
#bta-page .blog-page-btn {
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--navy-border);
  color: var(--muted);
  border-radius: 6px;
  font-size: 0.875rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: background 200ms, border-color 200ms, color 200ms;
  padding: 0 0.5rem;
}
#bta-page .blog-page-btn:hover {
  background: rgba(235,0,43,0.08);
  border-color: rgba(235,0,43,0.3);
  color: var(--white);
}
#bta-page .blog-page-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

/* =============================================
   BLOG — CTA BANNER
============================================= */
#bta-page .blog-cta {
  background: var(--navy-card);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
  padding: clamp(3rem, 5vw, 4.5rem) 0;
  text-align: center;
}
#bta-page .blog-cta-inner { max-width: 560px; margin: 0 auto; }
#bta-page .blog-cta h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
#bta-page .blog-cta p {
  font-size: 0.95rem;
  color: var(--light-muted);
  margin-bottom: 1.75rem;
  line-height: 1.65;
}
#bta-page .blog-cta-form {
  display: flex;
  gap: 0.5rem;
  max-width: 440px;
  margin: 0 auto;
}
#bta-page .blog-cta-input {
  flex: 1;
  background: var(--navy);
  border: 1px solid var(--navy-border);
  color: var(--white);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 200ms;
}
#bta-page .blog-cta-input::placeholder { color: var(--muted); }
#bta-page .blog-cta-input:focus { border-color: var(--red); }
#bta-page .blog-cta-submit {
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.7rem 1.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  transition: background 200ms, transform 200ms;
}
#bta-page .blog-cta-submit:hover {
  background: var(--red-light, #FF1A3E);
  transform: translateY(-1px);
}
@media (max-width: 480px) {
  #bta-page .blog-cta-form { flex-direction: column; }
}