/* ============================================================
   FrugalNova - AI SEO Optimization (SGE Ready)
   Prefix: aisearch-
   ============================================================ */

/* --------- HERO SECTION (Minimal & Static) --------- */
.aisearch-hero {
  position: relative;
  min-height: 65svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: #fdfdfd;
  background-image: radial-gradient(circle at top right, rgba(26,46,68,0.03) 0%, transparent 60%),
                    radial-gradient(circle at bottom left, rgba(181,36,106,0.02) 0%, transparent 60%);
  padding: 10rem 0 5rem 0;
  overflow: hidden;
  border-bottom: 1px solid var(--clr-border);
}

.aisearch-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
}

.aisearch-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
  padding: 0.5rem 1.2rem;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  box-shadow: 0 4px 12px rgba(26,46,68,0.03);
}

.aisearch-hero-title {
  font-family: var(--font-headings);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.aisearch-hero-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--clr-text-muted);
  margin-bottom: 2.5rem;
  font-weight: 400;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* --------- SHARED SECTION STYLES --------- */
.aisearch-section {
  padding: 6rem 0;
  background: #fff;
}

.aisearch-section-alt {
  background: #f8f9fa;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.aisearch-header {
  margin-bottom: 3.5rem;
  max-width: 650px;
}

.aisearch-header-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.aisearch-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 0.75rem;
}

.aisearch-title {
  font-family: var(--font-headings);
  font-size: 2.2rem;
  color: var(--clr-primary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.aisearch-desc {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* --------- SECTION 1: AI SEO ARCHITECTURE (Cards Panel) --------- */
.aisearch-arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.aisearch-arch-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  transition: all var(--dur-med) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.aisearch-arch-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: transparent;
  transition: background var(--dur-med);
}

.aisearch-arch-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(26,46,68,0.04);
  border-color: rgba(26,46,68,0.1);
}

.aisearch-arch-card:hover::before {
  background: var(--clr-primary);
}

.aisearch-arch-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--clr-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
  border: 1px solid var(--clr-border);
}

.aisearch-arch-card h3 {
  font-family: var(--font-headings);
  font-size: 1.25rem;
  color: var(--clr-primary);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.aisearch-arch-card p {
  color: var(--clr-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --------- SECTION 2: SGE & CONVERSATIONAL (Modular Layout) --------- */
.aisearch-sge-wrap {
  display: flex;
  align-items: stretch;
  gap: 3rem;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.aisearch-sge-content {
  flex: 1;
  padding: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.aisearch-sge-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.aisearch-sge-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.aisearch-sge-item i {
  color: var(--clr-accent);
  font-size: 1.2rem;
  margin-top: 3px;
}

.aisearch-sge-item h4 {
  font-family: var(--font-headings);
  font-size: 1.1rem;
  color: var(--clr-primary);
  margin-bottom: 0.25rem;
}

.aisearch-sge-item p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
}

.aisearch-sge-visual {
  flex: 1;
  background: var(--clr-primary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

/* Subtle data flow visual */
.aisearch-sge-flow {
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.aisearch-flow-node {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-headings);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(4px);
}

.aisearch-flow-node span {
  font-size: 0.75rem;
  color: var(--clr-accent-light);
  background: rgba(181,36,106,0.2);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

/* --------- SECTION 3: ENTITY RANKING SYSTEMS (Data rows) --------- */
.aisearch-entity-list {
  display: flex;
  flex-direction: column;
}

.aisearch-entity-row {
  display: flex;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--clr-border);
  gap: 3rem;
  transition: padding-left var(--dur-fast);
}

.aisearch-entity-row:first-child {
  border-top: 1px solid var(--clr-border);
}

.aisearch-entity-row:hover {
  padding-left: 1rem;
}

.aisearch-entity-num {
  font-family: var(--font-headings);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-text-light);
  width: 40px;
}

.aisearch-entity-content {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.aisearch-entity-content h3 {
  font-family: var(--font-headings);
  font-size: 1.2rem;
  color: var(--clr-primary);
  flex: 0 0 30%;
}

.aisearch-entity-content p {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  flex: 1;
}

.aisearch-entity-action {
  color: var(--clr-accent);
  font-size: 1.2rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--dur-fast);
}

.aisearch-entity-row:hover .aisearch-entity-action {
  opacity: 1;
  transform: translateX(0);
}

/* --------- SECTION 4: COMPACT CTA --------- */
.aisearch-cta {
  background: var(--clr-primary);
  padding: 4rem 0;
}

.aisearch-cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.aisearch-cta-text h2 {
  font-family: var(--font-headings);
  font-size: 2rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.aisearch-cta-text p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
}

.aisearch-cta-actions .btn {
  background: #fff;
  color: var(--clr-primary);
  border: none;
}
.aisearch-cta-actions .btn:hover {
  background: var(--clr-surface-2);
}

/* --------- RESPONSIVE --------- */
@media (max-width: 992px) {
  .aisearch-sge-wrap {
    flex-direction: column;
  }
  .aisearch-sge-content {
    padding: 3rem 2rem;
  }
  .aisearch-sge-visual {
    padding: 4rem 2rem;
  }
  .aisearch-entity-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .aisearch-entity-content h3 {
    flex: auto;
  }
  .aisearch-cta-strip {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .aisearch-hero {
    padding: 8rem 0 4rem 0;
  }
  .aisearch-hero-title {
    font-size: 2.2rem;
  }
  .aisearch-section {
    padding: 4rem 0;
  }
  .aisearch-entity-row {
    padding: 1.5rem 0;
    gap: 1.5rem;
  }
  .aisearch-entity-row:hover {
    padding-left: 0;
  }
  .aisearch-entity-action {
    display: none;
  }
}