/* Hero */
.landing-hero {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--brand-rgb), 0.08) 0%, transparent 70%);
}
.landing-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1.5rem;
  color: var(--content);
}
.landing-hero h1 .accent { color: var(--brand); }
.landing-hero .subtitle {
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--tertiary);
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}
.hero-cta { display: inline-flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.hero-cta a {
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.hero-cta a:hover { transform: translateY(-2px); }
.btn-primary-cta {
  background: var(--brand);
  color: var(--brand-text);
  box-shadow: 0 4px 20px rgba(var(--brand-rgb), 0.25);
}
.btn-secondary-cta {
  background: var(--entry);
  color: var(--content);
  border: 1px solid var(--border);
}

/* Stats */
.landing-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--code-block-bg);
}
.stat { text-align: center; }
.stat-value { font-size: 1.8rem; font-weight: 800; color: var(--brand); display: block; }
.stat-label { font-size: 0.85rem; color: var(--tertiary); text-transform: uppercase; letter-spacing: 0.06em; }

/* Sections */
.landing-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}
.landing-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
  color: var(--content);
}
.landing-section h2 .accent { color: var(--brand); }
.section-sub {
  color: var(--tertiary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 0 2.5rem;
  line-height: 1.6;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: rgba(var(--brand-rgb), 0.25);
  transform: translateY(-2px);
}
.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  display: block;
  width: 48px; height: 48px; line-height: 48px;
  text-align: center;
  background: rgba(var(--brand-rgb), 0.08);
  border-radius: 10px;
}
.feature-card h3 { font-size: 1.15rem; font-weight: 600; margin: 0 0 0.5rem; color: var(--content); }
.feature-card p { font-size: 0.92rem; color: var(--tertiary); line-height: 1.6; margin: 0; }

/* AI highlight */
.ai-highlight {
  background: linear-gradient(135deg, rgba(var(--brand-rgb), 0.04) 0%, rgba(var(--brand-rgb), 0.01) 100%);
  border-top: 1px solid rgba(var(--brand-rgb), 0.1);
  border-bottom: 1px solid rgba(var(--brand-rgb), 0.1);
}
.ai-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
@media (max-width: 768px) { .ai-cols { grid-template-columns: 1fr; } }
.ai-text h2 { margin-bottom: 1rem; }
.ai-text p { color: var(--secondary); line-height: 1.7; margin: 0 0 1rem; }
.stat-callout {
  display: inline-block;
  background: rgba(var(--brand-rgb), 0.1);
  border: 1px solid rgba(var(--brand-rgb), 0.2);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  color: var(--brand);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 0.5rem;
}

/* Code block */
.code-block {
  background: var(--code-block-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
  color: var(--secondary);
}
.code-block span {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  border-radius: 0 !important;
}
.code-block .comment { color: var(--tertiary); }
.code-block .kw { color: var(--brand); }
.code-block .str { color: var(--brand-hover); }
.code-block .fn { color: var(--secondary); }

/* AI conversations */
.ai-conversations {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 900px) { .ai-conversations { grid-template-columns: 1fr; } }
.ai-convo {
  display: flex;
  flex-direction: column;
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}
.convo-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tertiary);
  margin-bottom: 1rem;
}
.ai-bubble {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.5;
}
.ai-bubble.user {
  background: rgba(var(--brand-rgb), 0.1);
  border: 1px solid rgba(var(--brand-rgb), 0.15);
  color: var(--content);
}
.ai-bubble.agent {
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: var(--secondary);
  margin-top: auto !important;
  margin-bottom: 0 !important;
}
.bubble-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
  display: block;
}
.ai-bubble.user .bubble-tag { color: var(--brand); }
.ai-bubble.agent .bubble-tag { color: var(--brand-hover); }

/* Pricing */
.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--entry);
  border: 2px solid rgba(var(--brand-rgb), 0.2);
  border-radius: 16px;
  padding: 3rem;
  text-align: center;
}
.price { font-size: 3.5rem; font-weight: 800; color: var(--content); line-height: 1; }
.price span { font-size: 1.1rem; font-weight: 400; color: var(--tertiary); }
.price-sub { color: var(--tertiary); margin: 0.5rem 0 2rem; }
.pricing-card ul { list-style: none; padding: 0; margin: 0 0 2rem; text-align: left; }
.pricing-card li {
  padding: 0.5rem 0;
  color: var(--secondary);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}
.pricing-card li::before { content: '\2713'; color: var(--brand); font-weight: 700; margin-right: 0.75rem; }
.pricing-card .btn-primary-cta {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
}

/* Migration steps */
.migration-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.migration-step {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.step-num {
  display: inline-block;
  width: 40px; height: 40px; line-height: 40px;
  background: var(--brand);
  color: var(--brand-text);
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 1rem;
}
.migration-step h4 { color: var(--content); margin: 0 0 0.5rem; font-size: 1.05rem; }
.migration-step p { color: var(--tertiary); font-size: 0.88rem; margin: 0; line-height: 1.5; }

/* CTA */
.landing-cta {
  text-align: center;
  padding: 5rem 1.5rem;
  background: linear-gradient(180deg, transparent 0%, rgba(var(--brand-rgb), 0.04) 100%);
}
.landing-cta h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); color: var(--content); margin: 0 0 1rem; }
.landing-cta p { color: var(--tertiary); font-size: 1.1rem; margin: 0 0 2rem; }
.sep { border-top: 1px solid var(--border); }

/* ============================================
   HEADER / NAV / FOOTER — Premium overrides
   ============================================ */

/* --- Header glow border --- */
.site-header {
  border-bottom: none;
  box-shadow:
    0 1px 0 0 var(--header-border),
    0 4px 24px -2px rgba(var(--brand-rgb), 0.08);
}
.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(var(--brand-rgb), 0.4) 50%,
    transparent 100%
  );
  pointer-events: none;
}

/* --- Nav link uppercase + hover underline animation --- */
.menu-list > .menu-item > a {
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  font-size: 0.8125rem;
}
.menu-list > .menu-item > a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--header-hover);
  border-radius: 1px;
  transition: width 0.25s ease, left 0.25s ease;
}
.menu-list > .menu-item > a:hover::after {
  width: 100%;
  left: 0;
}

/* --- Dropdown refinement --- */
.dropdown-menu {
  border: 1px solid rgba(var(--brand-rgb), 0.12);
  border-top: 2px solid rgba(var(--brand-rgb), 0.35);
  border-radius: 8px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(var(--brand-rgb), 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.5rem 0;
}
.dropdown-menu a {
  border-radius: 4px;
  margin: 0 0.35rem;
  padding: 0.5rem 0.75rem;
}
.dropdown-menu a:hover {
  background: rgba(var(--brand-rgb), 0.1);
}

/* --- Logo subtle glow on hover --- */
.header-logo a {
  transition: filter 0.3s ease;
}
.header-logo a:hover {
  filter: drop-shadow(0 0 8px rgba(var(--brand-rgb), 0.3));
}

/* --- Theme toggle refinement --- */
.theme-toggle-btn {
  border-radius: 8px;
  padding: 0.35rem;
  transition: color 0.3s ease, background 0.2s ease;
}
.theme-toggle-btn:hover {
  background: rgba(var(--brand-rgb), 0.1);
}

/* --- Cart/Support icon hover glow --- */
.header-cart-link:hover,
.header-support-link:hover {
  filter: drop-shadow(0 0 6px rgba(var(--brand-rgb), 0.35));
}

/* --- Sub-banner polish --- */
.latest-posts-banner {
  background: linear-gradient(
    90deg,
    var(--banner-bg) 0%,
    rgba(var(--brand-rgb), 0.06) 50%,
    var(--banner-bg) 100%
  );
  border-bottom-color: rgba(var(--brand-rgb), 0.08);
}
.latest-post-link {
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* --- Footer glow top-edge --- */
.site-footer {
  position: relative;
  padding: 4rem 0 1.5rem;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(var(--brand-rgb), 0.35) 50%,
    transparent 100%
  );
  pointer-events: none;
}

/* --- Footer headings --- */
.footer-heading {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--footer-text);
  opacity: 0.6;
  margin-bottom: 1.25rem;
}

/* --- Footer links refined --- */
.footer-link {
  font-size: 0.92rem;
  transition: color 0.25s ease, padding-left 0.25s ease;
}
.footer-link:hover {
  padding-left: 4px;
}

/* --- Social icons glow ring --- */
.footer-social-icon {
  border: 1px solid transparent;
  transition: color 0.3s, transform 0.2s, border-color 0.3s, box-shadow 0.3s;
}
.footer-social-icon:hover {
  border-color: rgba(var(--brand-rgb), 0.25);
  box-shadow: 0 0 16px rgba(var(--brand-rgb), 0.15);
}

/* --- Footer bottom refinement --- */
.footer-bottom {
  border-top: 1px solid rgba(var(--brand-rgb), 0.08);
  padding-top: 1.5rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* --- Mobile refinements --- */
@media (max-width: 768px) {
  .menu-list > .menu-item > a::after { display: none; }
  .site-header::after { left: 5%; right: 5%; }
  .site-footer::before { left: 5%; right: 5%; }
}