:root {
  --bg-dark: #090d16;
  --card-bg: rgba(30, 41, 59, 0.7);
  --border-color: rgba(255, 255, 255, 0.1);
  --primary-blue: #3b82f6;
  --primary-hover: #2563eb;
  --accent-cyan: #06b6d4;
  --rec-red: #ef4444;
  --gold-star: #f59e0b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --radius-md: 16px;
  --font-family: 'Plus Jakarta Sans', 'Segoe UI', 'Helvetica Neue', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Scroll Progress Bar */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan), var(--rec-red));
  width: 0%;
  z-index: 1000;
  transition: width 0.1s linear;
}

/* Background Glowing Gradient & Particle Mesh Effects */
.bg-glow-1 {
  position: fixed;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, rgba(0, 0, 0, 0) 70%);
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
  animation: pulseGlow 8s infinite alternate ease-in-out;
}

.bg-glow-2 {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  bottom: 10%;
  right: -100px;
  pointer-events: none;
  z-index: 0;
  animation: pulseGlow 10s infinite alternate-reverse ease-in-out;
}

@keyframes pulseGlow {
  0% { transform: translateX(-50%) scale(1); opacity: 0.7; }
  100% { transform: translateX(-50%) scale(1.15); opacity: 1; }
}

header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background-color: rgba(9, 13, 22, 0.85);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #ffffff;
  font-weight: 800;
  font-size: 20px;
}

.logo-badge {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-hover));
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.hero {
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 24px 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--primary-blue);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

.hero-mockup-wrapper {
  margin-top: 48px;
  position: relative;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 16px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(6, 182, 212, 0.1));
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

.hero-mockup-img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}

/* Feature Grid */
.features-section {
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 24px;
  position: relative;
  z-index: 1;
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 48px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.card-icon {
  font-size: 36px;
  margin-bottom: 18px;
}

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

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

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Comparison Table */
.comparison-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px;
  position: relative;
  z-index: 1;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: rgba(15, 23, 42, 0.9);
  font-size: 15px;
}

.comparison-table td {
  font-size: 14px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  background-color: rgba(9, 13, 22, 0.95);
  position: relative;
  z-index: 1;
}

footer a {
  color: var(--primary-blue);
  text-decoration: none;
  margin: 0 10px;
}

footer a:hover {
  text-decoration: underline;
}