:root {
--bg: #000;
--surface: #1C1C1E;
--text-primary: #F5F5F7;
--text-secondary: #86868B;
--accent: #0071E3;
--border: rgba(255, 255, 255, 0.1);
--nav-height: 48px;
--font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

body {
background-color: var(--bg);
color: var(--text-primary);
font-family: var(--font-family);
-webkit-font-smoothing: antialiased;
line-height: 1.47059;
font-weight: 400;
letter-spacing: -0.022em;
padding-top: var(--nav-height);
}

/* Typography */
h1, h2, h3, h4 {
font-weight: 600;
letter-spacing: -0.003em;
}

/* Navigation */
nav {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: var(--nav-height);
background: rgba(0, 0, 0, 0.8);
backdrop-filter: saturate(180%) blur(20px);
z-index: 9999;
border-bottom: 0.5px solid var(--border);
display: flex;
justify-content: center;
}

.nav-content {
width: 100%;
max-width: 1024px;
height: 100%;
display: flex;
justify-content: space-between;
align-items: center;
padding: 0 22px;
}

.logo-block {
display: flex;
align-items: center;
gap: 8px;
text-decoration: none;
color: #fff;
transition: opacity 0.2s;
}

.logo-block:hover { opacity: 0.8; }

.logo-img { width: 24px; height: 24px; }
.logo-text { font-size: 19px; font-weight: 600; letter-spacing: -0.02em; }

.nav-links { display: flex; gap: 24px; }
.nav-links a {
color: #f5f5f7;
text-decoration: none;
font-size: 12px;
font-weight: 400;
opacity: 0.8;
transition: opacity 0.2s;
}
.nav-links a:hover { opacity: 1; }

/* Buttons */
.cta-button {
display: inline-block;
background: var(--accent);
color: #fff;
padding: 12px 22px;
border-radius: 980px;
text-decoration: none;
font-size: 17px;
font-weight: 400;
text-align: center;
transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-button:hover {
background: #0077ED;
transform: scale(1.02);
}

/* Footer */
footer {
padding: 60px 22px;
background: #000;
border-top: 0.5px solid var(--border);
color: var(--text-secondary);
font-size: 12px;
text-align: center;
}

.footer-content {
max-width: 1024px;
margin: 0 auto;
}

@media (max-width: 734px) {
.nav-content { padding: 0 16px; }
.nav-links { gap: 16px; }
}