/* ===========================
   BioGuard - Landing Page Styles
   =========================== */

/* Hero Section */
.landing-body {
  background: #06080f;
  color: #e6edf3;
  font-family: 'Cairo', 'Inter', sans-serif;
  overflow-x: hidden;
}

/* Top Landing Nav */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(6, 8, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s;
}

.landing-nav.scrolled {
  padding: 12px 40px;
  background: rgba(6, 8, 15, 0.95);
}

.landing-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.landing-nav-logo img { width: 36px; height: 36px; object-fit: contain; }
.landing-nav-logo span {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #0a84ff, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
}

.landing-nav-links a {
  padding: 7px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.landing-nav-links a:hover {
  color: white;
  background: rgba(255,255,255,0.06);
}

.landing-nav-actions { display: flex; align-items: center; gap: 10px; }

.btn-nav-outline {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  background: transparent;
  color: rgba(255,255,255,0.8);
  font-family: 'Cairo', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-nav-outline:hover { background: rgba(255,255,255,0.08); color: white; }

.btn-nav-primary {
  padding: 8px 20px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, #0a84ff, #0066cc);
  color: white;
  font-family: 'Cairo', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(10,132,255,0.4);
}
.btn-nav-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(10,132,255,0.5); }

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 40px 60px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(10,132,255,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,212,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(123,94,167,0.08) 0%, transparent 50%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(10,132,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,132,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(10,132,255,0.1);
  border: 1px solid rgba(10,132,255,0.3);
  border-radius: 20px;
  color: #58a6ff;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  animation: fadeInUp 0.5s ease;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  animation: fadeInUp 0.5s ease 0.1s forwards;
  opacity: 0;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #0a84ff, #00d4ff, #30d158);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 32px;
  animation: fadeInUp 0.5s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeInUp 0.5s ease 0.3s forwards;
  opacity: 0;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, #0a84ff, #0066cc);
  color: white;
  border: none;
  border-radius: 10px;
  font-family: 'Cairo', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 8px 32px rgba(10,132,255,0.4);
  text-decoration: none;
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(10,132,255,0.5);
}

.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: transparent;
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  font-family: 'Cairo', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}
.btn-hero-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.4);
  color: white;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  animation: fadeInUp 0.5s ease 0.4s forwards;
  opacity: 0;
}

.hero-stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #0a84ff, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 2px; }

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeIn 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-dashboard-preview {
  background: rgba(28, 33, 40, 0.8);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(10,132,255,0.1);
  animation: float 4s ease-in-out infinite;
  backdrop-filter: blur(10px);
}

.dashboard-preview-header {
  background: rgba(13,17,23,0.9);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.preview-dots { display: flex; gap: 6px; }
.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.preview-dot:nth-child(1) { background: #ff5f57; }
.preview-dot:nth-child(2) { background: #ffbd2e; }
.preview-dot:nth-child(3) { background: #28c940; }

.preview-title {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
}

.dashboard-preview-body {
  padding: 16px;
}

.preview-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.preview-metric {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

.preview-metric-val {
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
}

.preview-metric-label {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
}

.preview-chart-bar {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 12px;
  height: 100px;
  display: flex;
  align-items: flex-end;
  gap: 6px;
}

.chart-bar-item {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(to top, #0a84ff, #00d4ff);
  opacity: 0.7;
  transition: height 0.5s ease;
}

/* Floating Widgets */
.floating-widget {
  position: absolute;
  background: rgba(28,33,40,0.9);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 12px 16px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  min-width: 160px;
  z-index: 3;
}

.floating-widget-1 {
  top: -20px;
  left: -40px;
  animation: float 3s ease-in-out infinite;
}

.floating-widget-2 {
  bottom: 20px;
  right: -30px;
  animation: float 4s ease-in-out 1s infinite;
}

.fw-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
}

.fw-label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
}

.fw-trend {
  font-size: 0.68rem;
  color: #30d158;
  font-weight: 600;
}

/* Feature Cards Section */
.features-section {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header-center {
  text-align: center;
  margin-bottom: 50px;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #0a84ff;
  margin-bottom: 12px;
}

.section-heading {
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
}

.section-subheading {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card {
  background: rgba(28,33,40,0.6);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.feature-card:hover {
  background: rgba(10,132,255,0.08);
  border-color: rgba(10,132,255,0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(10,132,255,0.15);
}

.feature-card-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin: 0 auto 16px;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(10,132,255,0.3));
  transition: transform 0.3s;
}

.feature-card:hover .feature-card-img { transform: scale(1.1) rotate(-5deg); }

.feature-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.feature-card-desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: 80px 40px;
  text-align: center;
}

.cta-inner {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(10,132,255,0.08);
  border: 1px solid rgba(10,132,255,0.2);
  border-radius: 24px;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(10,132,255,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
}

.cta-subtitle {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
}

/* ===========================
   LANDING FOOTER
   =========================== */
.landing-footer {
  padding: 24px 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}