/* ==========================================================================
   NusaShield Official Landing Page - National Cyber Defense Platform
   Design System: Tactical Dark Mode / Neon Cyberpunk / Executive Elegance
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg-dark: #070a10;
  --bg-card: rgba(14, 20, 32, 0.75);
  --bg-card-hover: rgba(22, 32, 50, 0.95);
  --border-cyan: rgba(0, 240, 255, 0.2);
  --border-glow: rgba(0, 240, 255, 0.6);
  
  --cyan: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.4);
  --red: #ff3366;
  --green: #00ff88;
  --purple: #9933ff;
  --gold: #ffd700;
  
  --text-light: #f5f9fc;
  --text-muted: #8b9bb4;
  
  --font-main: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(153, 51, 255, 0.08) 0%, transparent 50%),
    linear-gradient(to bottom, #070a10, #090e17);
}

/* Nav */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 60px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(7, 10, 16, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-cyan);
  z-index: 1000;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--cyan), var(--red));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 0 20px var(--cyan-glow);
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  background: linear-gradient(90deg, #fff, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Buttons */
.btn {
  padding: 12px 26px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #0099cc);
  color: #050811;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 240, 255, 0.7);
}

.btn-outline {
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
}

.btn-outline:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

/* Hero Section */
.hero {
  padding: 180px 60px 100px;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--cyan);
  border-radius: 30px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 28px;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
}

.hero h1 {
  font-size: 54px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(90deg, var(--cyan), #9966ff, var(--red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 840px;
  margin: 0 auto 40px;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 70px;
}

/* Live Telemetry Banner */
.telemetry-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: 16px;
  padding: 24px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

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

.telemetry-item .num {
  font-size: 34px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--cyan);
  margin-bottom: 4px;
}

.telemetry-item .label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Section Common */
.section {
  padding: 100px 60px;
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 700px;
  margin: 0 auto;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: 16px;
  padding: 36px 30px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 12px 32px rgba(0, 240, 255, 0.25);
  background: var(--bg-card-hover);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 20px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Ecosystem Integration Section */
.ecosystem-container {
  background: linear-gradient(180deg, rgba(14, 20, 32, 0.9), rgba(7, 10, 16, 0.95));
  border: 1px solid var(--border-cyan);
  border-radius: 20px;
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.eco-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.eco-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border-left: 4px solid var(--cyan);
}

.eco-item.gold { border-left-color: var(--gold); }
.eco-item.purple { border-left-color: var(--purple); }
.eco-item.green { border-left-color: var(--green); }
.eco-item.red { border-left-color: var(--red); }

.eco-item .title { font-weight: 700; font-size: 15px; }
.eco-item .desc { font-size: 12px; color: var(--text-muted); }

/* Compliance Badges */
.compliance-banner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 40px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.compliance-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-light);
}

.compliance-badge span {
  font-size: 24px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-cyan);
  padding: 60px 60px 30px;
  background: #04060a;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 14px;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--cyan);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 992px) {
  .hero h1 { font-size: 38px; }
  .telemetry-banner { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .ecosystem-container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .navbar { padding: 16px 24px; }
  .section { padding: 60px 24px; }
}