/* CyberShield Enterprise — World-Class Landing Page */

.cs-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: calc(var(--nav-height) + 80px) 24px 100px;
  position: relative;
  z-index: 1;
}

.cs-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
  animation: fadeUp 0.8s ease-out;
}

.cs-hero-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.cs-hero-line { display: block; }
.cs-hero-line.accent {
  background: linear-gradient(135deg, #60a5fa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cs-hero-tagline {
  font-size: 1.25rem;
  color: #93c5fd;
  margin-bottom: 16px;
  font-weight: 500;
}

.cs-hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.cs-hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.cs-hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  justify-content: center;
}

.cs-stat {
  text-align: center;
}

.cs-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: #60a5fa;
  font-variant-numeric: tabular-nums;
}

.cs-stat-unit {
  font-size: 1.25rem;
  color: #93c5fd;
  margin-left: 2px;
}

.cs-stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Why section */
.cs-why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.cs-why-card {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 20px;
  padding: 36px;
  transition: all 0.4s ease;
}

.cs-why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.cs-why-icon,
.cs-platform-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.cs-why-icon svg,
.cs-platform-icon svg {
  width: 100%;
  height: 100%;
  color: #60a5fa;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cs-why-card:hover .cs-why-icon svg,
.cs-platform-card:hover .cs-platform-icon svg {
  color: #38bdf8;
  transform: scale(1.1);
}

.cs-icon-lightning svg { animation: csPulse 2s ease-in-out infinite; }
.cs-icon-shield svg { animation: csFloat 3s ease-in-out infinite; }
.cs-icon-ai svg { animation: csGlow 2.5s ease-in-out infinite; }
.cs-icon-globe svg { animation: csFloat 3.5s ease-in-out infinite; }
.cs-icon-desktop svg { animation: csPulse 2.2s ease-in-out infinite; }
.cs-icon-mobile svg { animation: csFloat 2.8s ease-in-out infinite; }
.cs-icon-apple svg { animation: csPulse 2.4s ease-in-out infinite; }
.cs-icon-doc svg { animation: csFloat 3.2s ease-in-out infinite; }

@keyframes csPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.05); }
}

@keyframes csFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes csGlow {
  0%, 100% { filter: drop-shadow(0 0 4px rgba(96, 165, 250, 0.4)); }
  50% { filter: drop-shadow(0 0 12px rgba(96, 165, 250, 0.7)); }
}


.cs-why-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.cs-why-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* Platforms */
.cs-platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.cs-platform-card {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.4s ease;
}

.cs-platform-card.featured {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.15);
}

.cs-platform-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.3);
}


.cs-platform-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.cs-platform-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.cs-platform-tech {
  font-size: 0.8rem;
  color: rgba(148, 163, 184, 0.8);
  font-family: var(--font-mono);
}

/* API section */
.cs-api-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 700px;
  margin: 0 auto;
}

.cs-api-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 12px;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.cs-api-item:hover {
  border-color: rgba(59, 130, 246, 0.3);
}

.cs-api-badge {
  padding: 6px 12px;
  background: rgba(59, 130, 246, 0.2);
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #93c5fd;
  min-width: 80px;
  text-align: center;
}

/* Features grid */
.cs-features-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}

.cs-feature {
  padding: 12px 20px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  font-size: 0.95rem;
  color: #93c5fd;
  transition: all 0.3s ease;
}

.cs-feature {
  animation: csFeatureReveal 0.5s ease-out backwards;
}

.cs-feature:nth-child(1) { animation-delay: 0.05s; }
.cs-feature:nth-child(2) { animation-delay: 0.1s; }
.cs-feature:nth-child(3) { animation-delay: 0.15s; }
.cs-feature:nth-child(4) { animation-delay: 0.2s; }
.cs-feature:nth-child(5) { animation-delay: 0.25s; }
.cs-feature:nth-child(6) { animation-delay: 0.3s; }
.cs-feature:nth-child(7) { animation-delay: 0.35s; }
.cs-feature:nth-child(8) { animation-delay: 0.4s; }
.cs-feature:nth-child(9) { animation-delay: 0.45s; }
.cs-feature:nth-child(10) { animation-delay: 0.5s; }
.cs-feature:nth-child(11) { animation-delay: 0.55s; }
.cs-feature:nth-child(12) { animation-delay: 0.6s; }
.cs-feature:nth-child(13) { animation-delay: 0.65s; }
.cs-feature:nth-child(14) { animation-delay: 0.7s; }
.cs-feature:nth-child(15) { animation-delay: 0.75s; }
.cs-feature:nth-child(16) { animation-delay: 0.8s; }
.cs-feature:nth-child(17) { animation-delay: 0.85s; }
.cs-feature:nth-child(18) { animation-delay: 0.9s; }
.cs-feature:nth-child(19) { animation-delay: 0.95s; }
.cs-feature:nth-child(20) { animation-delay: 1s; }
.cs-feature:nth-child(21) { animation-delay: 1.05s; }

@keyframes csFeatureReveal {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.cs-feature:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
}

/* Summary */
.cs-summary-box {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 24px;
  padding: 60px;
  text-align: center;
}

.cs-summary-box h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 24px;
}

.cs-summary-box p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 16px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.cs-summary-box .btn {
  margin-top: 24px;
}

@media (max-width: 768px) {
  .cs-hero-stats { gap: 32px; }
  .cs-platform-grid { grid-template-columns: 1fr; }
}