/* landing.css - KavachG High-Tech Enterprise Landing Page Styles */
:root {
  --bg-deep: #030712;
  --bg-panel: rgba(13, 22, 33, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.35);
  --accent-cyan: #00f0ff;
  --accent-emerald: #00e5a3;
  --accent-amber: #ffb703;
  --accent-red: #ff3366;
  --accent-purple: #a855f7;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --font-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* Edge-to-Edge Full Width Header Navbar */
.navbar {
  width: 100%;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
}

.navbar-inner {
  max-width: 1350px;
  margin: 0 auto;
  padding: 1.15rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
}


.brand-logo {
  height: 42px;
  border: none;
  outline: none;
  background: transparent;
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.5));
}

.brand-name {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;

}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.btn-cta {
  background: linear-gradient(135deg, #00f0ff 0%, #00a8ff 100%);
  color: #030712;
  font-weight: 700;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.65);
}

.btn-secondary-cta {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.btn-secondary-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: clamp(2.5rem, 8vh, 5.5rem) 1rem clamp(2rem, 6vh, 4rem);
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(85vh - 80px);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #38bdf8 50%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}


.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.25rem;
}

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

/* Stats Banner */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  margin-bottom: 5rem;
  box-shadow: 0 16px 36px -8px rgba(0,0,0,0.5);
  content-visibility: auto;
  contain-intrinsic-size: 1px 120px;
}

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

.stat-item h3 {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  margin-bottom: 0.25rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Features Grid */
.features {
  padding: 3rem 0;
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}


.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-header .muted {
  font-size: 1rem;
  color: var(--text-muted);
}

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

.feature-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.75rem;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: 0 12px 30px -8px rgba(0, 240, 255, 0.15);
}

.feature-icon {
  margin-bottom: 1rem;
  display: inline-flex;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Pulse Dot */
.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Enterprise Multi-Column Footer (Edge-to-Edge Full Width) */
footer {
  width: 100%;
  margin-top: 5rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 4rem 0 2rem;
  position: relative;
  z-index: 10;
}

.footer-inner {
  max-width: 1350px;
  margin: 0 auto;
  padding: 0 2rem;
}


.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.footer-brand-header img {
  height: 32px;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.4));
}

.footer-brand-header span {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  background: rgba(0, 229, 163, 0.08);
  border: 1px solid rgba(0, 229, 163, 0.25);
  padding: 4px 10px;
  border-radius: 6px;
  width: fit-content;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

.footer-team-member {
  font-size: 0.8rem;
  color: #e2e8f0;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.footer-team-member span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
  color: #fff;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}


@media (max-width: 900px) {
  .hero h1 { font-size: 2.25rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .stats-banner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .navbar { padding: 1rem; }
  .nav-links {
    display: flex;
    overflow-x: auto;
    max-width: 100%;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    gap: 1rem;
  }
}

@media (max-width: 640px) {
  .container { padding: 0 1rem; }
  .navbar { flex-direction: column; gap: 1rem; align-items: stretch; }
  .navbar .btn-cta { text-align: center; justify-content: center; }
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions a { width: 100%; text-align: center; }
  .stats-banner { grid-template-columns: 1fr; padding: 1.5rem 1rem; }
  .feature-card[style*="grid-template-columns: 220px 1fr"] {
    grid-template-columns: 1fr !important;
  }
  .demo-card div[style*="height: 460px"] {
    height: 260px !important;
  }
}