/* ===========================
    Reset and Base Styles
    =========================== */
* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
}

html {
     scroll-behavior: smooth;
}

body {
     font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
     line-height: 1.6;
     color: #2d3748;
     background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
     min-height: 100vh;
     display: flex;
     flex-direction: column;
}

/* ===========================
    Container
    =========================== */
.container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
}

/* ===========================
    Header and Navigation
    =========================== */
header {
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
     background: rgba(255, 255, 255, 0.95);
     backdrop-filter: blur(10px);
     border-bottom: 1px solid rgba(0, 0, 0, 0.1);
     z-index: 1000;
}

.navbar {
     padding: 1rem 0;
}

.nav-container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
     display: flex;
     justify-content: space-between;
     align-items: center;
}

.nav-brand {
     display: flex;
     align-items: center;
     gap: 12px;
}

.nav-logo {
     width: 40px;
     height: 40px;
     border-radius: 8px;
}

.brand-name {
     font-size: 1.5rem;
     font-weight: 700;
     color: #2d3748;
}

/* ===========================
    Buttons
    =========================== */
.btn {
     display: inline-flex;
     align-items: center;
     gap: 8px;
     padding: 12px 24px;
     border-radius: 50px;
     text-decoration: none;
     font-weight: 600;
     font-size: 0.95rem;
     transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
     border: none;
     cursor: pointer;
}

.btn-primary {
     background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
     color: white;
     box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
     transform: translateY(-2px);
     box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
     background: rgba(255, 255, 255, 0.2);
     color: white;
     border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
     background: rgba(255, 255, 255, 0.3);
     border-color: rgba(255, 255, 255, 0.5);
}

.install-btn {
     background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
     color: white;
     padding: 10px 20px;
     border-radius: 50px;
     text-decoration: none;
     font-weight: 600;
     display: flex;
     align-items: center;
     gap: 8px;
     transition: all 0.3s ease;
     box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.install-btn:hover {
     transform: translateY(-2px);
     box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

/* ===========================
    Main Content
    =========================== */
main {
     padding-top: 80px;
     flex: 1;
}

/* ===========================
    Footer
    =========================== */
footer {
     background: #2d3748;
     color: white;
     padding: 3rem 0;
}

.footer-content {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
     display: flex;
     justify-content: space-between;
     align-items: center;
     flex-wrap: wrap;
     gap: 1rem;
}

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

.footer-links a {
     color: #cbd5e0;
     text-decoration: none;
     font-weight: 500;
     transition: color 0.3s ease;
}

.footer-links a:hover {
     color: white;
}

.footer-copy p {
     color: #a0aec0;
     font-size: 0.9rem;
}

/* ===========================
    Responsive Design
    =========================== */
@media (max-width: 768px) {
     .nav-container {
          padding: 0 15px;
     }
     
     .brand-name {
          font-size: 1.2rem;
     }
     
     .install-btn {
          padding: 8px 16px;
          font-size: 0.9rem;
     }
     
     .footer-content {
          flex-direction: column;
          text-align: center;
     }
     
     .footer-links {
          justify-content: center;
          gap: 1rem;
     }
}