:root {
  --primary: #10b981; /* Emerald green */
  --primary-hover: #059669;
  --bg-dark: #0f172a; /* Slate 900 */
  --bg-darker: #020617; /* Slate 950 */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-darker);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background elements for modern look */
.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, rgba(2,6,23,0) 70%);
  top: -200px;
  left: -200px;
  z-index: -1;
  pointer-events: none;
}
.bg-glow-right {
  position: fixed;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56,189,248,0.1) 0%, rgba(2,6,23,0) 70%);
  bottom: 10%;
  right: -100px;
  z-index: -1;
  pointer-events: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  height: 40px;
  width: 40px;
  border-radius: 10px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.23);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  max-width: 540px;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

/* Phone Mockup */
.phone-mockup {
  position: relative;
  width: 320px;
  height: 650px;
  margin: 0 auto;
  border-radius: 40px;
  background: var(--bg-dark);
  border: 8px solid #1e293b;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--glass-border);
  overflow: hidden;
  transform: rotate(-2deg);
  transition: transform 0.5s ease;
}

.phone-mockup:hover {
  transform: rotate(0deg) translateY(-10px);
}

.phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 25px;
  background: #1e293b;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
  z-index: 10;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #000;
  position: relative;
}

.phone-screen video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Features */
.features {
  padding: 6rem 0;
  text-align: center;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: left;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border-color: rgba(16, 185, 129, 0.3);
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Tech Stack */
.tech-stack {
  padding: 4rem 0;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(15,23,42,0) 0%, rgba(15,23,42,0.5) 100%);
}

.tech-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  margin-top: 2rem;
  opacity: 0.7;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: opacity 0.3s ease;
}

.tech-item:hover {
  opacity: 1;
  color: var(--text-main);
}

.tech-item svg {
  width: 40px;
  height: 40px;
}

/* Footer */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 4rem 0;
  }
  
  .hero-content {
    margin: 0 auto;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .phone-mockup {
    transform: rotate(0);
    margin-top: 2rem;
  }
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    display: none; /* Hide on very small screens for simplicity, or implement a hamburger */
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}