/* ============================================================
   Service detail pages — shared template styles
   Used by: agentic-ai, whatsapp-ai, crm-voice-ai,
            manufacturing-warehouse-ai, healthcare-ai,
            custom-enterprise-ai
   ============================================================ */

.section-head { max-width: 760px; }
.section-head .eyebrow { display: inline-block; margin-bottom: var(--space-3); }
.section-head h2 { margin-bottom: var(--space-3); }
.section-head .lead { color: var(--ink-muted); }

[data-split] .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}
[data-split].is-revealed .word { opacity: 1; transform: translateY(0); }

/* ============================================================
   SECTION 2 — HERO (service dashboard split)
   ============================================================ */

.sd-hero {
  position: relative;
  min-height: 92vh;
  padding-top: calc(var(--nav-height) + var(--space-7));
  padding-bottom: var(--space-9);
  overflow: hidden;
  isolation: isolate;
}
.sd-hero-bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(circle at 15% 30%, var(--lavender) 0%, transparent 40%),
              radial-gradient(circle at 85% 70%, var(--peach) 0%, transparent 40%);
}
.sd-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}
@media (max-width: 1024px) {
  .sd-hero-inner { grid-template-columns: 1fr; gap: var(--space-7); }
}

.sd-breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-4);
}
.sd-breadcrumb a { color: var(--ink-muted); }
.sd-breadcrumb a:hover { color: var(--ink); }

.sd-hero-headline {
  font-size: var(--fs-72);
  font-weight: 800;
  letter-spacing: var(--ls-tighter);
  line-height: var(--lh-tight);
  margin-block: var(--space-3) var(--space-5);
  max-width: 18ch;
}
.sd-hero-sub {
  color: var(--ink-muted);
  margin-bottom: var(--space-5);
  max-width: 56ch;
}
.sd-badges {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.sd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.sd-stage {
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--ink-hair);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-2);
  overflow: hidden;
}
.sd-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, var(--lavender), transparent 50%),
    radial-gradient(circle at 70% 70%, var(--mint), transparent 50%);
  opacity: 0.5;
}
.sd-stage > * { position: relative; z-index: 1; }
.sd-stage svg { width: 100%; height: auto; max-width: 500px; }

/* ============================================================
   SECTION 3 — PROBLEM (before/after split)
   ============================================================ */

.problem-section {
  background: var(--surface-1);
  padding-block: var(--space-9);
}

.problem-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--ink-hair);
  position: relative;
}
@media (max-width: 880px) {
  .problem-split { grid-template-columns: 1fr; }
}

.problem-side {
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
}
.problem-before {
  background: linear-gradient(135deg, #FFF5F5, #FFFFFF 80%);
}
.problem-after {
  background: linear-gradient(135deg, var(--mint), #FFFFFF 80%);
}

.problem-side h3 {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  color: var(--ink);
}
.problem-label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}
.problem-before .problem-label { color: #DC2626; }
.problem-after .problem-label  { color: #16A34A; }

.problem-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.problem-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--fs-16);
  line-height: var(--lh-normal);
  color: var(--ink);
}
.problem-list li::before {
  content: '';
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: var(--radius-pill);
  margin-top: 8px;
}
.problem-before .problem-list li::before { background: #DC2626; }
.problem-after .problem-list li::before  { background: #16A34A; }

/* ============================================================
   SECTION 4 — CAPABILITIES BENTO
   ============================================================ */

.capabilities-section { background: var(--bg); }
.capabilities-bento {
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(220px, auto);
}
@media (max-width: 880px) { .capabilities-bento { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .capabilities-bento { grid-template-columns: 1fr; } }

.cap-title {
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  color: var(--ink);
}
.cap-body {
  color: var(--ink-muted);
  font-size: var(--fs-14);
  line-height: var(--lh-normal);
}

/* ============================================================
   SECTION 5 — HOW IT WORKS (diagram + cards)
   ============================================================ */

.how-section { background: var(--surface-1); }

.how-it-works {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-7);
  align-items: center;
  margin-top: var(--space-7);
}
@media (max-width: 880px) {
  .how-it-works { grid-template-columns: 1fr; }
}

.how-diagram {
  background: linear-gradient(135deg, var(--lavender), var(--surface-1) 70%);
  border: 1px solid var(--ink-hair);
  border-radius: var(--radius-2xl);
  padding: var(--space-7);
  position: relative;
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.how-diagram svg { width: 100%; height: auto; }

.how-phases {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.how-phase {
  padding: var(--space-4);
  border: 1px solid var(--ink-hair);
  border-radius: var(--radius);
  background: var(--bg);
  transition: all var(--t-base) var(--ease-out);
}
.how-phase:hover {
  border-color: var(--accent);
  background: var(--lavender);
  transform: translateX(4px);
}
.how-phase-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--ls-wide);
  color: var(--accent);
  font-weight: 600;
}
.how-phase h4 {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  margin-block: 2px var(--space-2);
  color: var(--ink);
}
.how-phase p {
  font-size: var(--fs-14);
  color: var(--ink-muted);
  line-height: var(--lh-normal);
}

/* Service-specific diagram pulses */
.diag-pulse-ring {
  animation: dr-pulse 2.4s ease-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes dr-pulse {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}
.diag-packet {
  filter: drop-shadow(0 0 6px rgba(79,70,229,0.6));
}

/* ============================================================
   SECTION 6 — USE CASES (3D flip cards)
   ============================================================ */

.usecases-section { background: var(--bg); }

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-7);
}
@media (max-width: 880px) { .usecases-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .usecases-grid { grid-template-columns: 1fr; } }

.usecase {
  position: relative;
  height: 280px;
  perspective: 1200px;
  cursor: pointer;
}
.usecase-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 700ms var(--ease-out);
}
.usecase:hover .usecase-inner,
.usecase.is-flipped .usecase-inner {
  transform: rotateY(180deg);
}
.usecase-face {
  position: absolute;
  inset: 0;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--ink-hair);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--surface-1);
}
.usecase-face.is-front {
  align-items: flex-start;
  justify-content: space-between;
}
.usecase-face.is-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, var(--lavender), var(--surface-1) 80%);
}

.uc-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--lavender);
  color: var(--accent);
}
.uc-title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
  color: var(--ink);
}
.uc-hint {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--ls-wide);
  color: var(--ink-muted);
  text-transform: uppercase;
}
.uc-back-title {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  color: var(--ink);
}
.uc-back-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.uc-back-list li {
  display: flex;
  gap: var(--space-2);
  font-size: var(--fs-13, 13px);
  line-height: var(--lh-normal);
  color: var(--ink-muted);
}
.uc-back-list li strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
  flex-shrink: 0;
}
.uc-outcome {
  margin-top: auto;
  padding: var(--space-2) var(--space-3);
  background: var(--mint);
  border-radius: var(--radius);
  font-size: var(--fs-13, 13px);
  color: var(--ink);
  font-weight: 500;
}

/* ============================================================
   SECTION 7 — INDUSTRIES CHIP STRIP
   ============================================================ */

.industries-strip-section { background: var(--surface-1); }

.industries-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.istrip-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--ink-hair);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-14);
  color: var(--ink);
  transition: all var(--t-base) var(--ease-out);
}
.istrip-chip:hover {
  border-color: var(--accent);
  background: var(--lavender);
  transform: translateY(-1px);
}
.istrip-chip .arrow {
  color: var(--accent);
  transition: transform var(--t-base) var(--ease-out);
}
.istrip-chip:hover .arrow { transform: translateX(3px); }

/* ============================================================
   SECTION 8 — FAQ ACCORDION
   ============================================================ */

.sd-faq-section { background: var(--bg); }

.sd-faq {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-7);
  margin-top: var(--space-6);
}
@media (max-width: 880px) {
  .sd-faq { grid-template-columns: 1fr; }
}

.sd-faq h2 { margin: 0; }

.sd-faq-list {
  display: flex;
  flex-direction: column;
}

.sd-faq-item {
  border-bottom: 1px solid var(--ink-hair);
  padding-block: var(--space-4);
  position: relative;
}
.sd-faq-item::before {
  content: '';
  position: absolute;
  left: -16px;
  top: var(--space-4);
  width: 3px;
  height: 0;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transition: height 300ms var(--ease-out);
}
.sd-faq-item.is-open::before { height: 28px; }

.sd-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 600;
  letter-spacing: var(--ls-tight);
  color: var(--ink);
  cursor: pointer;
}
.sd-faq-toggle {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink-hair);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  transition: transform 300ms var(--ease-out), border-color 300ms var(--ease-out), color 300ms var(--ease-out);
}
.sd-faq-item.is-open .sd-faq-toggle {
  transform: rotate(45deg);
  border-color: var(--accent);
  color: var(--accent);
}

.sd-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms var(--ease-out), margin-top 400ms var(--ease-out);
}
.sd-faq-item.is-open .sd-faq-a {
  max-height: 320px;
  margin-top: var(--space-3);
}
.sd-faq-a p {
  color: var(--ink-muted);
  font-size: var(--fs-16);
  line-height: var(--lh-relaxed);
  max-width: 60ch;
}

/* ============================================================
   SECTION 9 — CTA (reuses .cta-section from components.css)
   ============================================================ */
.sd-cta-section { background: var(--surface-1); }