/* ═══════════════════════════════════════════
   STEM NEXUS AFRICA — index.css
   Home Page: Hero + About
═══════════════════════════════════════════ */

/* ─── HERO ───────────────────────────────── */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 120px;
  overflow: hidden;
  background: #222233;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,153,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,153,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-particles { position: absolute; inset: 0; pointer-events: none; }
.hero-content { position: relative; z-index: 2; }
.hero-tag {
  font-family: var(--font-head); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.3em; color: #0099FF; text-transform: uppercase;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.hero-tag::before { content: ''; width: 32px; height: 2px; background: #0099FF; }
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
  color: var(--white);
}
.hero-sub {
  font-size: 1.1rem; color: var(--grey); max-width: 560px;
  margin-bottom: 36px; line-height: 1.7;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-stats {
  display: flex; gap: 0; flex-wrap: wrap;
  border: 1px solid var(--grey-2);
}
.hero-stat {
  padding: 20px 36px;
  border-right: 1px solid var(--grey-2);
  display: flex; flex-direction: column;
}
.hero-stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-head); font-size: 2.6rem;
  font-weight: 900; color: #0099FF; line-height: 1;
}
.stat-plus { font-family: var(--font-head); font-size: 2rem; font-weight: 900; color: #0099FF; }
.stat-label {
  font-size: 0.78rem; color: var(--grey); letter-spacing: 0.08em;
  text-transform: uppercase; font-family: var(--font-head);
  font-weight: 600; margin-top: 4px;
}
.hero-scroll-hint {
  position: absolute; bottom: 40px; right: 48px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-head); font-size: 0.65rem; letter-spacing: 0.25em;
  color: var(--grey); text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, #0099FF, transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:1;transform:scaleY(1)} 50%{opacity:0.4;transform:scaleY(0.7)} }

/* ─── ABOUT ──────────────────────────────── */
.about-section { background: var(--white); }
.about-section .section-tag { color: #0099FF; }
.about-section .section-headline { color: #222233; }
.about-left { padding: 48px; }
.about-body { color: #555; line-height: 1.8; margin: 20px 0 32px; }
.mv-cards { display: flex; flex-direction: column; gap: 16px; }
.mv-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--white-2);
  border-left: 3px solid #0099FF;
  padding: 20px;
}
.mv-card__icon {
  width: 40px; height: 40px; background: #0099FF;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0; color: #fff;
}
.mv-card h4 {
  font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 6px; color: #222233;
}
.mv-card p { font-size: 0.9rem; color: #666; }

.about-right { background: var(--white-2); padding: 48px; }
.values-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  background: #e0e0e8;
}
.value-card {
  background: var(--white); padding: 28px 24px;
  transition: background var(--transition), transform var(--transition);
}
.value-card:hover { background: rgba(0,153,255,0.04); }
.value-card i { font-size: 1.5rem; color: #0099FF; margin-bottom: 12px; display: block; }
.value-card h5 {
  font-family: var(--font-head); font-weight: 700; font-size: 0.95rem;
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px; color: #222233;
}
.value-card p { font-size: 0.85rem; color: #666; }

/* ─── HOME CTA BAND ──────────────────────── */
.home-cta-band {
  background: #0099FF;
  padding: 64px 0;
}
.home-cta-band__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.home-cta-band .section-tag { color: rgba(255,255,255,0.7); }
.home-cta-band__title {
  font-family: var(--font-head); font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2rem);
  text-transform: uppercase; color: var(--white); line-height: 1.1;
  max-width: 500px;
}
.home-cta-band__actions { display: flex; gap: 16px; flex-wrap: wrap; flex-shrink: 0; }
.home-cta-band .btn-primary-sna {
  background: var(--white);
  color: #0099FF !important;
  border-color: var(--white);
}
.home-cta-band .btn-primary-sna:hover {
  background: #222233;
  border-color: #222233;
  color: var(--white) !important;
}
.home-cta-band .btn-outline-white {
  border-color: rgba(255,255,255,0.5);
  color: var(--white) !important;
}
.home-cta-band .btn-outline-white:hover {
  background: var(--white);
  color: #0099FF !important;
  border-color: var(--white);
}

/* ─── RESPONSIVE ─────────────────────────── */
@media (max-width: 991px) {
  .hero-section { padding: calc(var(--nav-h) + 24px) 0 100px; }
  .hero-headline { font-size: clamp(2.5rem, 10vw, 5rem); }
  .hero-stats { flex-wrap: wrap; }
  .hero-stat { padding: 16px 24px; flex: 1 1 40%; }
  .hero-scroll-hint { display: none; }
  .about-left, .about-right { padding: 36px 24px; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .home-cta-band__inner { flex-direction: column; text-align: center; }
  .home-cta-band__actions { justify-content: center; }
}
@media (max-width: 575px) {
  .hero-stats { border: none; flex-direction: row; flex-wrap: wrap; }
  .hero-stat { border: 1px solid var(--grey-2); margin: 2px; flex: 1 1 40%; }
  .hero-ctas { flex-direction: column; }
  .about-left, .about-right { padding: 28px 16px; }
  .values-grid { grid-template-columns: 1fr; }
}