/* SysInfo Pro 2.0 Design System */
:root {
  --bg-main: #0b1329;
  --bg-card: rgba(30, 41, 59, 0.7);
  --border-card: rgba(51, 65, 85, 0.8);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-blue: #38bdf8;
  --accent-glow: #0284c7;
  --accent-green: #22c55e;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Glowing Radial Background Blobs */
.bg-glow {
  position: absolute;
  width: 550px;
  max-width: 90vw;
  height: 550px;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  top: -100px;
  left: 10%;
  background: radial-gradient(circle, #38bdf8 0%, #0284c7 100%);
}

.bg-glow-2 {
  top: 500px;
  right: 5%;
  background: radial-gradient(circle, #6366f1 0%, #3b82f6 100%);
}

.site-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Header Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-v2 {
  font-size: 0.7rem;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #ffffff;
}

.nav-btn-download {
  background: rgba(56, 189, 248, 0.12) !important;
  color: var(--accent-blue) !important;
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.2s !important;
}

.nav-btn-download:hover {
  background: rgba(56, 189, 248, 0.25) !important;
  color: #ffffff !important;
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: 5rem 1rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-card);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 2.2rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  padding: 0.9rem 2.2rem;
  border-radius: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.4);
  transition: all 0.25s ease;
  max-width: 100%;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(2, 132, 199, 0.6);
  background: linear-gradient(135deg, #0369a1 0%, #1d4ed8 100%);
}

.sys-req {
  font-size: 0.78rem;
  color: #64748b;
  text-align: center;
}

/* App Screenshot Section */
.preview-section {
  margin: 3rem 0 5rem;
}

.glass-frame {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-card);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
}

.frame-header {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.2rem;
  background: rgba(30, 41, 59, 0.6);
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
  position: relative;
}

.frame-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #22c55e; }

.frame-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: #64748b;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60%;
}

.app-screenshot {
  width: 100%;
  height: auto;
  display: block;
}

/* Feature Grid */
.features-section {
  padding: 3rem 0;
}

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

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  padding: 1.8rem;
  border-radius: 1rem;
  backdrop-filter: blur(10px);
  transition: all 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* CTA Footer */
.footer-cta {
  padding: 5rem 0 3rem;
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid var(--border-card);
  padding: 3.5rem 2rem;
  border-radius: 1.5rem;
  backdrop-filter: blur(12px);
  margin-bottom: 3rem;
}

.cta-box h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.cta-box p {
  color: var(--text-muted);
  margin-bottom: 1.8rem;
}

.footer-bottom {
  color: #64748b;
  font-size: 0.85rem;
  border-top: 1px solid rgba(51, 65, 85, 0.3);
  padding-top: 2rem;
}

/* Fully Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.8rem;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-wrapper {
    padding: 0 1.25rem;
  }
  .navbar {
    padding: 1rem 0;
  }
  .nav-links a:not(.nav-btn-download) {
    display: none;
  }
  .hero-section {
    padding: 3.5rem 0.5rem 2rem;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 0.98rem;
    margin-bottom: 1.8rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .feature-card {
    padding: 1.4rem;
  }
  .preview-section {
    margin: 2rem 0 3.5rem;
  }
  .cta-box {
    padding: 2.5rem 1.25rem;
  }
  .cta-box h2 {
    font-size: 1.6rem;
  }
  .primary-btn {
    width: 100%;
    max-width: 340px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-badge {
    font-size: 0.72rem;
    padding: 0.35rem 0.75rem;
  }
  .logo-text {
    font-size: 1.15rem;
  }
  .badge-v2 {
    font-size: 0.65rem;
  }
  .section-title {
    font-size: 1.7rem;
  }
  .primary-btn {
    font-size: 0.92rem;
    padding: 0.85rem 1.5rem;
  }
}