:root {
  /* Romeo Purple Design System */
  --primary-start: #7c3aed;
  --primary-end: #4f46e5;
  --primary-rgb: 124, 58, 237;
  --accent-glow: rgba(124, 58, 237, 0.15);

  --bg-app: #050508;
  --bg-card: #0a0a0f;
  --bg-accent: #0f0f16;

  --text-main: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.45);

  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-highlight: rgba(255, 255, 255, 0.03);

  --anim-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --anim-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.5;
}

/* --- High Fidelity Layout Patterns --- */

.lp-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all 0.3s ease;
}

.lp-nav.scrolled {
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.85rem 0;
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2.5rem;
}

.lp-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: transform var(--anim-fast);
}

.lp-brand:hover {
  transform: scale(1.02);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.lp-nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.lp-nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color var(--anim-fast);
}

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

.lp-btn-login {
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: white;
  padding: 0.75rem 1.8rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.25);
  transition: all var(--anim-fast);
}

.lp-btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.4);
}

/* --- Hero Section --- */

.lp-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
  background: radial-gradient(
    circle at top center,
    rgba(124, 58, 237, 0.1) 0%,
    transparent 70%
  );
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 100vh;
  background: radial-gradient(
    circle at center,
    var(--accent-glow) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: -1;
}

.hero-content {
  max-width: 1000px;
  padding: 0 2rem;
  text-align: center;
  z-index: 10;
}

.lp-badge-uvp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  padding: 8px 16px;
  border-radius: 100px;
  color: #a78bfa;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 2rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.lp-hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -3px;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.lp-hero h1 .lp-accent {
  background: linear-gradient(135deg, #a78bfa, #818cf8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lp-hero p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 3.5rem;
  line-height: 1.65;
  font-weight: 500;
}

.lp-hero-actions {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  align-items: center;
}

.lp-btn-main {
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: white;
  padding: 1.1rem 2.8rem;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.3);
  transition: all var(--anim-fast);
}

.lp-btn-main:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 15px 40px rgba(var(--primary-rgb), 0.45);
}

.lp-btn-outline {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 1.1rem 2.8rem;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all var(--anim-fast);
}

.lp-btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* --- Key Features (Checklist) --- */
.lp-key-features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.lp-key-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0.85rem;
}

.lp-key-feature-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--anim-fast);
}

.lp-key-feature-item:hover {
  background: var(--bg-accent);
  border-color: rgba(var(--primary-rgb), 0.3);
  transform: translateY(-2px);
}

.lp-check-icon {
  color: var(--primary-start);
  flex-shrink: 0;
}

/* --- Features Grid --- */
.lp-features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.lp-section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.lp-section-header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.lp-section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.lp-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.lp-feature {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  transition: all var(--anim-slow);
}

.lp-feature:hover {
  border-color: rgba(var(--primary-rgb), 0.4);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.lp-feature-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    rgba(var(--primary-rgb), 0.15),
    transparent
  );
  border: 1px solid rgba(var(--primary-rgb), 0.2);
  color: var(--primary-start);
  margin-bottom: 1.5rem;
}

.lp-feature h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.lp-feature p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- CTA Section --- */
.lp-cta {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem 8rem;
}

.lp-cta-inner {
  text-align: center;
  padding: 4rem 2rem;
  background: radial-gradient(
    circle at center,
    var(--bg-card) 0%,
    var(--bg-app) 100%
  );
  border: 1px solid var(--glass-border);
  border-radius: 32px;
  position: relative;
  overflow: hidden;
}

.lp-cta-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at top right,
    rgba(var(--primary-rgb), 0.1),
    transparent 50%
  );
  pointer-events: none;
}

.lp-cta-inner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.lp-cta-inner p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

/* --- Footer Section --- */
.lp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.lp-footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Particles Background */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0; /* Behind other content */
  background-color: var(--bg-app);
}

/* Ensure content stays above the particles */
.lp {
  position: relative;
  z-index: 10;
}