/* ============================================================
   Cerenium Technologies — index.css (Home page styles)
   ============================================================ */

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-slideshow { position: absolute; inset: 0; }

.slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease;
}

.slide.active { opacity: 1; }

/* Mobile hero image — shown on mobile, hidden on desktop */
.hero-mobile-image {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

@media (max-width: 768px) {
  .hero-slideshow { display: none; }
  .hero-mobile-image { display: block; }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(17,29,51,0.92) 0%,
    rgba(27,42,74,0.78) 60%,
    rgba(184,150,62,0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
  padding-top: 4rem;
  padding-bottom: 6rem;
  animation: heroFadeUp 0.9s ease both;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  color: var(--white);
  margin: 0.5rem 0 1.5rem;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
}

.hero-italic {
  color: var(--gold-light);
  font-style: italic;
  font-weight: 400;
}

.hero-subhead {
  color: rgba(255,255,255,0.78);
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 600px;
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-trust {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.trust-item { color: rgba(255,255,255,0.75); }
.trust-divider { color: var(--gold); }

/* Scroll Hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-hint span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: 12px;
  position: relative;
}
.hero-scroll-hint span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scrollDot 2s ease infinite;
}
@keyframes scrollDot {
  0%, 100% { opacity: 1; top: 6px; }
  50% { opacity: 0; top: 20px; }
}

/* ─── VALUE STRIP ────────────────────────────────────────────── */
.value-strip { padding: 3rem 0; }

.value-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  border-left: 1px solid rgba(184,150,62,0.25);
}

.value-icon {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.value-item .value-heading {
  color: var(--white);
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: none;
  letter-spacing: normal;
  line-height: 1.2;
}

.value-item p {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ─── INTRO ──────────────────────────────────────────────────── */
.intro { padding: 6rem 0; }

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.intro-image { position: relative; }

.intro-photo {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.intro-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-md);
}
.intro-badge img { height: 30px; width: auto; }

.intro-copy h2 { margin-bottom: 1rem; }
.intro-copy .gold-rule { margin-bottom: 1.5rem; }

/* ─── SERVICES OVERVIEW ──────────────────────────────────────── */
.services-overview { padding: 6rem 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.service-card:hover::before { transform: scaleX(1); }

.service-card-icon {
  width: 40px; height: 40px;
  color: var(--gold);
  margin-bottom: 1rem;
}
.service-card-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--navy);
}

.service-tagline {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--gold-text); /* gold-text = 5.09:1 on white — WCAG AA */
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.service-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.service-link:hover { color: var(--gold-text); } /* gold-text = 5.09:1 on white */

.services-cta { text-align: center; }

/* ─── WHY CERENIUM ───────────────────────────────────────────── */
.why-section { padding: 6rem 0; background: var(--white); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.why-item { padding: 0 0.5rem; }

.why-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--gold-pale);
  line-height: 1;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.why-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--navy);
}

.why-item p { font-size: 0.9rem; }

/* ─── CTA BAND ───────────────────────────────────────────────── */
.cta-band {
  position: relative;
  padding: 7rem 0;
  text-align: center;
  overflow: hidden;
}

.cta-band-bg {
  position: absolute;
  inset: 0;
}
.cta-band-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}

.cta-band-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}
.cta-band-content h2 { color: var(--white); margin-bottom: 1rem; }
.cta-band-content p  { color: rgba(255,255,255,0.72); font-size: 1.05rem; max-width: 800px; margin-left: auto; margin-right: auto; }

/* ─── INSIGHTS TEASER ────────────────────────────────────────── */
.insights-teaser { padding: 6rem 0; }

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.insight-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition);
}
.insight-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.insight-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy); /* navy on gold-pale = 12.18:1 — WCAG AA */
  background: var(--gold-pale);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}

.insight-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.insight-card p {
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid      { grid-template-columns: repeat(2, 1fr); }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .value-strip-grid { grid-template-columns: 1fr; }
  .intro-grid        { grid-template-columns: 1fr; gap: 3rem; }
  .intro-badge       { right: 1rem; bottom: -1rem; }
  .services-grid     { grid-template-columns: 1fr; }
  .why-grid          { grid-template-columns: 1fr 1fr; }
  .insights-grid     { grid-template-columns: 1fr; }

  .hero h1 { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .hero-content { padding-top: 2rem; }
}

@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
}