/* =====================================================
   DESIGN-SYSTEM.CSS — RankBoost Agency (Redesign 2026)
   Shared page-level components consolidated here
   to eliminate duplication across 25+ page CSS files.
   ===================================================== */

/* ===== PAGE HERO (all inner pages) ===== */
.rb-hero {
  position: relative;
  overflow: hidden;
  padding-top: var(--section-py-lg);
  padding-bottom: var(--section-py);
  background: linear-gradient(180deg, #FAFAFD 0%, #ffffff 100%);
}
.rb-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 10% 20%, rgba(91,71,224,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 92% 16%, rgba(200,255,0,0.16) 0%, transparent 60%);
  pointer-events: none;
}
/* Floating orbs */
.rb-hero-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(30px);
  opacity: 0.5;
  pointer-events: none;
  will-change: transform;
}
.rb-hero-orb--purple {
  width: 240px; height: 240px;
  left: 4%; top: 20%;
  background: rgba(91,71,224,0.2);
  animation: floatOrb 7s ease-in-out infinite;
}
.rb-hero-orb--lime {
  width: 180px; height: 180px;
  right: 8%; top: 12%;
  background: rgba(200,255,0,0.4);
  animation: floatOrb 8s ease-in-out infinite reverse;
}
@keyframes floatOrb {
  0%, 100% { transform: translate(0,0); }
  33% { transform: translate(20px,-30px); }
  66% { transform: translate(-15px,20px); }
}

/* Hero content wrapper — narrow pages */
.rb-hero-content { position: relative; z-index: 1; max-width: 860px; }
.rb-hero-content h1 {
  font-size: var(--fs-h1); font-weight: 800;
  line-height: 1.06; letter-spacing: -0.032em;
  color: var(--ink); margin-top: var(--space-md);
}
.rb-hero-ctas { display: flex; flex-wrap: wrap; gap: var(--grid-gap-sm); margin-top: var(--space-lg); }

/* Grid hero variant (two-column) */
.rb-hero--grid::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(91,71,224,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,71,224,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}

/* AI Solutions / two-col hero inner */
.ais-hero-inner {
  display: grid;
  gap: var(--grid-gap-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (min-width: 1024px) { .ais-hero-inner { grid-template-columns: 1fr 460px; } }

/* ===== STATS BLOCK (dark card with 2×2 grid) ===== */
.rb-stats-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap-sm);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink);
  padding: var(--card-pad);
  box-shadow: var(--shadow-lg);
}
.rb-stat {
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.06);
  padding: var(--card-pad);
  border: 1px solid rgba(255,255,255,0.07);
  transition: background 200ms;
}
.rb-stat:hover { background: rgba(255,255,255,0.09); }
.rb-stat strong {
  display: block; font-size: 32px; font-weight: 900;
  color: var(--accent); line-height: 1; letter-spacing: -0.04em;
}
.rb-stat span {
  display: block; margin-top: 7px;
  font-size: 12px; font-weight: 600;
  color: rgba(255,255,255,0.55); line-height: 1.4;
}

/* ===== RESULTS BAR (dark band with two-col layout) ===== */
.gs-results-bar {
  padding: var(--section-py) 0;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.gs-results-bar::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(200,255,0,0.06), transparent 60%);
  pointer-events: none;
}
.gs-results-inner {
  display: grid;
  gap: var(--grid-gap-lg);
  position: relative;
  z-index: 1;
}
@media (min-width: 1024px) {
  .gs-results-inner { grid-template-columns: 1fr 1fr; align-items: center; }
}
.gs-results-copy h2 { color: #fff; }
.gs-results-copy .eyebrow { color: var(--accent); }
.gs-results-copy .eyebrow::before { background: var(--accent); }
.gs-results-copy p {
  color: rgba(255,255,255,0.62);
  margin-top: var(--space-md);
  font-size: 16px;
  line-height: 1.78;
}

/* Metrics 2×2 grid in dark band */
.gs-metrics {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr 1fr;
}
.gs-metric {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r-lg);
  padding: var(--card-pad) 24px;
  transition: background 200ms, transform 200ms var(--ease);
}
.gs-metric:hover { background: rgba(255,255,255,0.09); transform: translateY(-3px); }
.gs-metric strong {
  display: block;
  font-size: 42px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-xs);
}
.gs-metric span {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.55;
}

/* ===== FAQ SECTION & LIST (shared) ===== */
.gs-faq-section, .rb-faq-section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
  background: var(--surface-2);
}
.rb-faq-grid {
  display: grid;
  gap: var(--grid-gap-lg);
  align-items: start;
}
@media (min-width: 1024px) { .rb-faq-grid { grid-template-columns: 340px 1fr; } }

.gs-faq-list details {
  border-bottom: 1px solid var(--line);
  transition: background 180ms;
}
.gs-faq-list details:first-child { border-top: 1px solid var(--line); }
.gs-faq-list details:hover { background: rgba(91,71,224,0.02); }
.gs-faq-list summary {
  padding: var(--card-pad) 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--grid-gap-sm);
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--ink);
  user-select: none;
  transition: color 180ms;
}
.gs-faq-list summary::-webkit-details-marker { display: none; }
.gs-faq-list details[open] > summary { color: var(--primary); }
.gs-faq-list .chevron-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 999px;
  background: var(--surface-3);
  display: inline-flex;
  align-items: center; justify-content: center;
  color: var(--primary);
  transition: transform 240ms, background 200ms;
}
.gs-faq-list details[open] > summary .chevron-icon {
  transform: rotate(180deg);
  background: var(--primary-light);
}
.gs-faq-list details p {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.80;
  color: var(--ink-muted);
  padding-right: 44px;
}

/* ===== AI SOLUTION CARD GRID ===== */
.ais-grid {
  display: grid;
  gap: var(--grid-gap);
  margin-top: var(--space-md);
}
@media (min-width: 768px)  { .ais-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1200px) { .ais-grid { grid-template-columns: repeat(3, 1fr); } }

.ais-card {
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
  padding: var(--card-pad-lg);
  display: flex;
  flex-direction: column;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.ais-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(91,71,224,0.22);
}
.ais-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--primary-light) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.3s;
}
.ais-card:hover::before { opacity: 1; }
.ais-card h3 {
  font-size: 19px; font-weight: 800;
  letter-spacing: -0.015em; margin-bottom: var(--space-sm);
  position: relative;
}
.ais-card p {
  font-size: 14px; color: var(--ink-muted);
  line-height: 1.72; flex: 1; margin-bottom: var(--space-md);
  position: relative;
}
.ais-card-icon {
  width: 50px; height: 50px;
  border-radius: var(--r-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: var(--space-md);
  transition: background 200ms, color 200ms;
  position: relative;
}
.ais-card:hover .ais-card-icon { background: var(--primary); color: #fff; }
.ais-card-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  border-radius: 100px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px; font-weight: 900;
  text-transform: uppercase; letter-spacing: 0.08em;
  width: fit-content; margin-bottom: var(--space-sm);
}
.ais-card-features {
  list-style: none; padding: 0; margin: 0 0 22px;
  display: grid; gap: var(--space-sm); position: relative;
}
.ais-card-features li {
  font-size: 12.5px; color: var(--ink-muted);
  font-weight: 700; display: flex;
  align-items: center; gap: 7px; line-height: 1.4;
}
.ais-card-features li::before {
  content: '→'; color: var(--primary);
  font-weight: 900; font-size: 11px; flex-shrink: 0;
}
.ais-card-cta {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--primary); font-size: 13.5px; font-weight: 800;
  text-decoration: none; transition: gap 180ms;
  margin-top: auto; position: relative;
}
.ais-card-cta:hover { gap: 11px; }
.ais-card-cta .arrow-icon svg { width: 16px; height: 16px; }

/* ===== VISUAL PANEL ===== */
.rb-visual-panel {
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  background: var(--surface); position: relative;
}
.rb-visual-panel img { width: 100%; height: 100%; object-fit: cover; }

/* ===== FINAL CTA BOX ===== */
.rb-final-cta { padding: var(--section-py) 0; background: var(--surface); }
.rb-final-cta-box {
  background: linear-gradient(135deg, var(--ink) 0%, #1a1830 100%);
  border-radius: var(--r-2xl);
  padding: var(--space-3xl) var(--space-2xl);
  display: grid;
  gap: var(--grid-gap-lg);
  align-items: center;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.rb-final-cta-box::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 90% 80%, rgba(200,255,0,0.09) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 20%, rgba(91,71,224,0.15) 0%, transparent 60%);
  pointer-events: none;
}
@media (min-width: 1024px) { .rb-final-cta-box { grid-template-columns: 1.1fr 0.9fr; } }
.rb-final-cta-copy { position: relative; z-index: 1; }
.rb-final-cta-copy .eyebrow { color: var(--accent); }
.rb-final-cta-copy .eyebrow::before { background: var(--accent); }
.rb-final-cta-copy h2 {
  color: #fff; font-size: clamp(26px, 2.8vw, 40px);
  letter-spacing: -0.028em; margin-top: var(--space-sm);
}
.rb-final-cta-copy p {
  color: rgba(255,255,255,0.65); margin-top: var(--space-md);
  font-size: var(--fs-body-lg); line-height: 1.78;
}
.rb-final-cta-visual {
  position: relative; z-index: 1;
  border-radius: var(--r-lg); overflow: hidden;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  min-height: 280px;
}
.rb-final-cta-visual img { width: 100%; height: 100%; object-fit: cover; opacity: 0.75; }

/* Shared animations used in page-level CSS */
@keyframes acbFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
  .rb-hero { padding-top: 118px; padding-bottom: 80px; }
  .rb-final-cta-box { padding: 44px 28px; gap: var(--space-xl); }
  .ais-hero-inner { grid-template-columns: 1fr; gap: var(--space-xl); }
  .gs-metrics { grid-template-columns: 1fr; }
}