/* Selibri — Concept page shared styles.
   Used by demo-auradent.html, demo-novasmile.html, demo-elite.html. */

.demo-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #142238;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  z-index: 100;
  flex-wrap: wrap;
}
.demo-bar > span { color: #a9b7ca; font-size: 14px; }
.demo-bar-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.demo-bar-link {
  color: #a9b7ca;
  font-size: 13px;
  text-decoration: none;
  transition: color 200ms ease;
}
.demo-bar-link:hover { color: #fff; }

/* Keep floating action buttons clear of this fixed bottom bar */
.demo-page .float-whatsapp { bottom: max(88px, calc(env(safe-area-inset-bottom) + 88px)); }
.demo-page .back-to-top { bottom: max(156px, calc(env(safe-area-inset-bottom) + 156px)); }
@media (max-width: 768px) {
  .demo-page .float-whatsapp { bottom: max(172px, calc(env(safe-area-inset-bottom) + 172px)); }
  .demo-page .back-to-top { bottom: max(240px, calc(env(safe-area-inset-bottom) + 240px)); }
}

.demo-header {
  padding: 152px 20px 48px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(10,22,40,0.85) 0%, rgba(10,22,40,1) 100%);
}
.demo-header h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff 0%, #a9b7ca 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.demo-header .eyebrow {
  display: inline-block;
  max-width: 480px;
  margin-bottom: 18px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--gray-400, #a9b7ca);
}
.demo-header p {
  color: #a9b7ca;
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

.demo-hero-image {
  padding: 28px 20px 0;
}
.demo-hero-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
  display: block;
}

.demo-section {
  padding: 72px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.demo-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.demo-approach {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.demo-approach h2 {
  margin: 14px 0 16px;
}
.demo-approach p {
  color: #a9b7ca;
  line-height: 1.7;
  font-size: 1.05rem;
}

/* keep the fixed demo-bar from covering the CTA */
.demo-page main,
.demo-page > section:last-of-type { padding-bottom: 120px; }
body.demo-page { padding-bottom: 80px; }

@media (max-width: 768px) {
  .demo-services { grid-template-columns: 1fr; }
  .demo-bar { flex-direction: column; text-align: center; padding: 14px; }
  .demo-bar-nav { justify-content: center; }
  .demo-header { padding: 128px 20px 40px; }
}

/* ---------- Case study additions (Overview, Challenge, Objectives,
   Responsive Experience, Technologies, Business Value, back-to-portfolio).
   Reuses existing tokens and card patterns — no new visual language. ---------- */

.back-to-portfolio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--gray-400, #a9b7ca);
  text-decoration: none;
  margin-bottom: 28px;
  transition: color var(--transition-fast, 150ms ease), gap var(--transition-base, 250ms ease);
}
.back-to-portfolio:hover,
.back-to-portfolio:focus-visible {
  color: var(--turquoise-light, #2DD4E8);
  gap: 10px;
}
.back-to-portfolio svg { flex-shrink: 0; }

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}
.case-meta-item {
  text-align: center;
  padding: 18px 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md, 12px);
  background: rgba(255,255,255,0.02);
}
.case-meta-item .label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turquoise-light, #2DD4E8);
  font-weight: 700;
  margin-bottom: 6px;
}
.case-meta-item .value {
  font-size: 0.88rem;
  color: var(--white, #fff);
  font-weight: 600;
  line-height: 1.4;
}

.case-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}
.case-split-block h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 1.15rem;
  color: var(--white, #fff);
}
.case-split-block .num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(47,109,246,0.18), rgba(15,181,214,0.18));
  color: var(--turquoise-light, #2DD4E8);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.case-split-block p {
  color: var(--gray-400, #a9b7ca);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.case-split-block ul {
  padding-left: 20px;
  margin-top: 6px;
  color: var(--gray-400, #a9b7ca);
}
.case-split-block li {
  line-height: 1.7;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 720px;
  margin: 24px auto 0;
}
.tech-tags span {
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(47,109,246,0.1);
  color: var(--electric-light, #4A85FF);
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid rgba(47,109,246,0.2);
}

@media (max-width: 860px) {
  .case-meta { grid-template-columns: repeat(2, 1fr); }
  .case-split { grid-template-columns: 1fr; gap: 28px; }
}