/**
 * Nanban Elevation — World-class front page (landing only)
 * Cinematic hero · stats · marquee · premium sections
 */

/* ── Ambient canvas behind hero ── */
#loginScreen.nb-ultra .nb-hero-ambient {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

#loginScreen.nb-ultra .nb-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: nbOrbFloat 18s ease-in-out infinite;
}

#loginScreen.nb-ultra .nb-hero-orb--1 {
  width: min(55vw, 520px);
  height: min(55vw, 520px);
  top: -8%;
  right: -6%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.45) 0%, transparent 70%);
  animation-delay: 0s;
}

#loginScreen.nb-ultra .nb-hero-orb--2 {
  width: min(45vw, 420px);
  height: min(45vw, 420px);
  bottom: 10%;
  left: -10%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.28) 0%, transparent 70%);
  animation-delay: -6s;
}

#loginScreen.nb-ultra .nb-hero-orb--3 {
  width: min(35vw, 320px);
  height: min(35vw, 320px);
  bottom: 35%;
  right: 18%;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.18) 0%, transparent 70%);
  animation-delay: -12s;
}

@keyframes nbOrbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(24px, -18px) scale(1.06); }
  66% { transform: translate(-16px, 12px) scale(0.96); }
}

#loginScreen.nb-ultra .nb-hero-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* ── Cinematic video ── */
#loginScreen.nb-ultra .nb-hero-video {
  animation: nbHeroKenBurns 28s ease-in-out infinite alternate;
  filter: saturate(1.05) contrast(1.02) brightness(1.05);
}

@keyframes nbHeroKenBurns {
  0% { transform: scale(1.06) translate(0, 0); }
  100% { transform: scale(1.14) translate(-1.2%, -0.8%); }
}

#loginScreen.nb-ultra .nb-hero-overlay {
  background:
    linear-gradient(105deg, rgba(247, 245, 242, 0.88) 0%, rgba(247, 245, 242, 0.35) 42%, rgba(247, 245, 242, 0.72) 100%),
    linear-gradient(to top, rgba(247, 245, 242, 0.96) 0%, transparent 38%),
    radial-gradient(ellipse 90% 60% at 70% 20%, rgba(220, 38, 38, 0.06), transparent 55%) !important;
}

#loginScreen.nb-ultra .nb-hero-content {
  position: relative;
  z-index: 4;
}

/* ── Kicker badge ── */
#loginScreen.nb-ultra .nb-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: clamp(24px, 4vw, 36px);
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  color: #475569;
}

#loginScreen.nb-ultra .nb-hero-kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.85);
  animation: nbPulseDot 2s ease-in-out infinite;
}

@keyframes nbPulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.85); }
}

/* ── Hero typography ── */
#loginScreen.nb-ultra .nb-hero-title-main {
  display: block;
  font-size: 0.52em;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #475569;
  margin-bottom: 0.12em;
  line-height: 1.15;
}

#loginScreen.nb-ultra .nb-hero-title-gradient,
#loginScreen.nb-ultra #nbHeroSchoolName,
#loginScreen.nb-ultra .nb-hero-school-name {
  display: block;
  background: none !important;
  background-image: none !important;
  -webkit-background-clip: border-box !important;
  background-clip: border-box !important;
  color: #991b1b !important;
  -webkit-text-fill-color: #991b1b !important;
  animation: none !important;
  filter: none !important;
}

@keyframes nbShimmerTitle {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

#loginScreen.nb-ultra .nb-hero-title .nb-line-accent {
  margin-top: 0.5em;
  font-size: 0.38em !important;
  color: #64748b !important;
  font-weight: 500;
  letter-spacing: 0.04em;
}

#loginScreen.nb-ultra .nb-hero-glass-cta {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92) !important;
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
  backdrop-filter: blur(24px) saturate(1.4) !important;
  -webkit-backdrop-filter: blur(24px) saturate(1.4) !important;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.8) inset,
    0 32px 80px -24px rgba(15, 23, 42, 0.12),
    0 0 60px -20px rgba(220, 38, 38, 0.08) !important;
}

#loginScreen.nb-ultra .nb-hero-glass-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  pointer-events: none;
}

#loginScreen.nb-ultra .nb-btn-primary {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow:
    0 0 0 1px rgba(220, 38, 38, 0.2),
    0 16px 48px -12px rgba(220, 38, 38, 0.35),
    0 8px 24px rgba(15, 23, 42, 0.08) !important;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease !important;
}

#loginScreen.nb-ultra .nb-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(220, 38, 38, 0.3),
    0 20px 56px -12px rgba(220, 38, 38, 0.4),
    0 12px 32px rgba(15, 23, 42, 0.1) !important;
}

#loginScreen.nb-ultra .nb-btn-outline {
  border-color: rgba(15, 23, 42, 0.12) !important;
  background: rgba(255, 255, 255, 0.85) !important;
  color: #18181b !important;
  transition: all 0.25s ease !important;
}

#loginScreen.nb-ultra .nb-btn-outline:hover {
  background: #ffffff !important;
  border-color: rgba(220, 38, 38, 0.25) !important;
  transform: translateY(-1px);
}

/* ── Hero stats strip ── */
#loginScreen.nb-ultra .nb-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: clamp(36px, 5vw, 56px);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 24px 64px -32px rgba(15, 23, 42, 0.12);
}

#loginScreen.nb-ultra .nb-hero-stat {
  padding: clamp(18px, 3vw, 24px) clamp(12px, 2vw, 20px);
  text-align: center;
  background: rgba(255, 255, 255, 0.9);
  transition: background 0.3s ease;
}

#loginScreen.nb-ultra .nb-hero-stat:hover {
  background: rgba(220, 38, 38, 0.04);
}

#loginScreen.nb-ultra .nb-hero-stat strong {
  display: block;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: linear-gradient(180deg, #18181b 0%, #dc2626 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

#loginScreen.nb-ultra .nb-hero-stat span {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #64748b;
}

#loginScreen.nb-ultra .nb-hero-trust {
  display: none;
}

/* ── Marquee trust band ── */
#loginScreen.nb-ultra .nb-marquee-band {
  position: relative;
  z-index: 5;
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

#loginScreen.nb-ultra .nb-marquee-track {
  display: flex;
  width: max-content;
  animation: nbMarqueeScroll 32s linear infinite;
  gap: 0;
}

#loginScreen.nb-ultra .nb-marquee-track span {
  flex-shrink: 0;
  padding: 0 28px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #64748b;
  white-space: nowrap;
}

#loginScreen.nb-ultra .nb-marquee-track span em {
  font-style: normal;
  color: #dc2626;
  margin: 0 6px;
}

@keyframes nbMarqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Nav elevation ── */
#loginScreen.nb-ultra .nb-nav {
  background: rgba(255, 255, 255, 0.78) !important;
  border-bottom-color: rgba(15, 23, 42, 0.06) !important;
}

#loginScreen.nb-ultra .nb-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.94) !important;
  box-shadow: 0 12px 40px -20px rgba(15, 23, 42, 0.1);
  border-bottom-color: rgba(15, 23, 42, 0.08) !important;
}

#loginScreen.nb-ultra .nb-lboard-mark {
  filter: drop-shadow(0 4px 16px rgba(220, 38, 38, 0.45));
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

#loginScreen.nb-ultra .nb-nav-brand:hover .nb-lboard-mark {
  transform: scale(1.06) rotate(-3deg);
}

#loginScreen.nb-ultra .nb-nav-btn--primary {
  background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
  color: #fff !important;
  box-shadow: 0 8px 28px -8px rgba(220, 38, 38, 0.45) !important;
}

/* ── Section elevation ── */
#loginScreen.nb-ultra .nb-section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #dc2626 !important;
}

#loginScreen.nb-ultra .nb-section-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, #6366f1, transparent);
  border-radius: 2px;
}

#loginScreen.nb-ultra .nb-section-title {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.045em !important;
  line-height: 1.02 !important;
}

#loginScreen.nb-ultra .nb-section--why {
  position: relative;
  background: #ffffff !important;
}

#loginScreen.nb-ultra .nb-section--why::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(600px, 80%);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.4), transparent);
}

#loginScreen.nb-ultra .nb-bento-why-cell {
  border-radius: 24px !important;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease, border-color 0.35s ease !important;
}

#loginScreen.nb-ultra .nb-bento-why-cell:hover {
  transform: translateY(-8px) scale(1.01) !important;
  border-color: rgba(220, 38, 38, 0.2) !important;
  box-shadow:
    0 0 0 1px rgba(220, 38, 38, 0.08),
    0 32px 80px -24px rgba(15, 23, 42, 0.12),
    0 0 48px -16px rgba(220, 38, 38, 0.08) !important;
}

#loginScreen.nb-ultra .nb-bento-svg {
  width: 52px !important;
  height: 52px !important;
  padding: 12px;
  border-radius: 16px;
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.15);
  color: #dc2626 !important;
  margin-bottom: 20px !important;
}

#loginScreen.nb-ultra .nb-bento-why-cell h3 {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem) !important;
  margin-bottom: 10px !important;
}

#loginScreen.nb-ultra .nb-bento-ta {
  color: #64748b !important;
  font-weight: 500 !important;
  font-size: 14px !important;
}

#publicPortal .nb-public-bento-card {
  border-radius: 24px !important;
  padding: clamp(24px, 3vw, 32px) !important;
  background: #ffffff !important;
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06) !important;
}

#publicPortal .nb-public-bento-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08), transparent 70%);
  pointer-events: none;
}

#publicPortal .nb-public-bento-card--quiz {
  border-left: 3px solid #6366f1 !important;
}

#publicPortal .nb-public-bento-card--hub {
  border-left: 3px solid #22d3ee !important;
}

#publicPortal .nb-btn-public {
  border-radius: 14px !important;
  padding: 14px 24px !important;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
  box-shadow: 0 12px 32px -8px rgba(99, 102, 241, 0.55) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

#publicPortal .nb-btn-public:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -8px rgba(99, 102, 241, 0.7) !important;
}

/* ── Enquiry section aurora ── */
#loginScreen.nb-ultra .nb-enquiry-wrap {
  position: relative;
  overflow: hidden;
  background: #f3f1ed !important;
}

#loginScreen.nb-ultra .nb-enquiry-wrap::before {
  content: "";
  position: absolute;
  inset: -40% -20%;
  background:
    radial-gradient(ellipse 50% 40% at 20% 50%, rgba(99, 102, 241, 0.15), transparent 55%),
    radial-gradient(ellipse 40% 35% at 80% 60%, rgba(34, 211, 238, 0.1), transparent 50%);
  pointer-events: none;
  animation: nbAuroraShift 20s ease-in-out infinite alternate;
}

@keyframes nbAuroraShift {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(3%, -2%) rotate(2deg); }
}

#loginScreen.nb-ultra .nb-enquiry-inner {
  position: relative;
  z-index: 1;
}

#loginScreen.nb-ultra .nb-enquiry-copy h2 {
  font-size: clamp(2rem, 4.5vw, 2.85rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.04em !important;
}

#loginScreen.nb-ultra .nb-enquiry-perk {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom-color: rgba(255, 255, 255, 0.06) !important;
}

#loginScreen.nb-ultra .nb-enquiry-perk::before {
  content: "✓";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: #34d399;
  font-size: 11px;
  font-weight: 900;
  display: grid;
  place-items: center;
}

#loginScreen.nb-ultra .nb-enquiry-glass {
  border-radius: 28px !important;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 40px 100px -40px rgba(0, 0, 0, 0.85),
    0 0 80px -30px rgba(99, 102, 241, 0.15) !important;
}

#loginScreen.nb-ultra .nb-enquiry-form input,
#loginScreen.nb-ultra .nb-enquiry-form select,
#loginScreen.nb-ultra .nb-enquiry-form textarea {
  border-radius: 16px !important;
  background: #ffffff !important;
  border-color: rgba(15, 23, 42, 0.12) !important;
  color: #18181b !important;
}

#loginScreen.nb-ultra .nb-enquiry-form select option {
  background: #ffffff !important;
  color: #18181b !important;
}

#loginScreen.nb-ultra .nb-footer--premium {
  background: linear-gradient(180deg, #ffffff 0%, #f7f5f2 100%) !important;
  padding: clamp(56px, 8vw, 80px) clamp(24px, 6vw, 64px) clamp(40px, 6vw, 64px) !important;
  text-align: left !important;
}

#loginScreen.nb-ultra .nb-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(32px, 5vw, 48px);
  max-width: 1100px;
  margin: 0 auto;
}

#loginScreen.nb-ultra .nb-footer-grid h4 {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #94a3b8;
  margin: 0 0 16px;
}

#loginScreen.nb-ultra .nb-footer-partner {
  font-size: 14px !important;
  line-height: 1.6 !important;
  color: #64748b !important;
}

#loginScreen.nb-ultra .nb-footer-partner a {
  color: #4f46e5 !important;
  text-decoration: none;
  transition: color 0.2s ease;
}

#loginScreen.nb-ultra .nb-footer-partner a:hover {
  color: #dc2626 !important;
}

#loginScreen.nb-ultra .nb-footer-partner strong {
  color: #18181b !important;
  font-weight: 700 !important;
}

/* ── Scroll indicator ── */
#loginScreen.nb-ultra .nb-hero-scroll {
  z-index: 4;
}

#loginScreen.nb-ultra .nb-hero-scroll-line {
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.8), transparent) !important;
}

/* ── Video cards learning hub ── */
#publicPortal .nb-video-card {
  border-radius: 20px !important;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease !important;
}

#publicPortal .nb-video-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 24px 56px -20px rgba(0, 0, 0, 0.65);
  border-color: rgba(99, 102, 241, 0.35) !important;
}

#publicPortal .nb-video-card__play {
  transition: transform 0.3s ease, background 0.3s ease !important;
}

#publicPortal .nb-video-card:hover .nb-video-card__play {
  transform: scale(1.12);
  background: rgba(99, 102, 241, 0.35) !important;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  #loginScreen.nb-ultra .nb-hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  #loginScreen.nb-ultra .nb-hero-title {
    font-size: clamp(2rem, 10vw, 2.75rem) !important;
    max-width: none !important;
  }

  #loginScreen.nb-ultra .nb-hero-cta {
    flex-direction: column;
  }

  #loginScreen.nb-ultra .nb-hero-cta .nb-btn {
    width: 100%;
    text-align: center;
  }

  #loginScreen.nb-ultra .nb-footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  #loginScreen.nb-ultra .nb-bento-why {
    grid-template-columns: 1fr !important;
  }

  #publicPortal .nb-public-bento-card--quiz,
  #publicPortal .nb-public-bento-card--hub {
    grid-column: span 12 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  #loginScreen.nb-ultra .nb-hero-video,
  #loginScreen.nb-ultra .nb-hero-orb,
  #loginScreen.nb-ultra .nb-marquee-track,
  #loginScreen.nb-ultra .nb-hero-title-gradient {
    animation: none !important;
  }
}