:root {
    --bg: #09090b;
    --surface: #18181b;
    --primary: #fe2c55;
    --text: #fafafa;
    --text-muted: #a1a1aa;
    --border: #27272a;
}
body {
    margin: 0;
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}
header {
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    background: rgba(9, 9, 11, 0.9);
    position: sticky;
    top: 0;
    backdrop-filter: blur(10px);
    z-index: 100;
}
.logo { font-size: 1.5rem; font-weight: 800; color: white; text-decoration: none; text-transform: uppercase; letter-spacing: 1px; }
nav a { color: var(--text-muted); text-decoration: none; margin-left: 1.5rem; font-weight: 500; transition: color 0.2s; }
nav a:hover { color: var(--text); }
.btn-app { background: var(--text); color: var(--bg); padding: 0.5rem 1rem; border-radius: 6px; font-weight: bold; margin-left: 1.5rem; }
.btn-app:hover { background: var(--primary); color: white; }

main { min-height: 60vh; }
.section-container { padding: 5rem 5%; max-width: 1000px; margin: 0 auto; border-bottom: 1px solid var(--border); }
.section-container:last-child { border-bottom: none; }
.section-container h2 { font-size: 2.2rem; margin-top: 0; margin-bottom: 1.5rem; color: white; }
.section-container p { font-size: 1.15rem; color: var(--text-muted); }

.hero { text-align: center; max-width: 900px; margin: 0 auto; padding: 6rem 5%; border-bottom: 1px solid var(--border); }
.hero h1 { font-size: 3.5rem; margin-bottom: 1rem; line-height: 1.1; font-weight: 800; }
.hero p { font-size: 1.25rem; color: var(--text-muted); max-width: 700px; margin: 0 auto 2.5rem auto; }
.hero-buttons { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.btn-primary { background: var(--primary); color: white; padding: 0.75rem 1.5rem; border-radius: 6px; font-weight: bold; text-decoration: none; transition: opacity 0.2s; border: none; font-size: 1rem;}
.btn-primary:hover { opacity: 0.9; color: white;}
.btn-secondary { background: transparent; color: white; padding: 0.75rem 1.5rem; border-radius: 6px; font-weight: bold; text-decoration: none; border: 1px solid var(--border); transition: background 0.2s; }
.btn-secondary:hover { background: var(--surface); color: white;}

.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.step { background: var(--surface); padding: 1.5rem; border-radius: 12px; border: 1px solid var(--border); }
.step h3 { margin-top: 0; color: white; font-size: 1.2rem; }
.step p { margin-bottom: 0; font-size: 1rem; }

.cta-section { text-align: center; padding: 6rem 5%; background: var(--surface); }
.cta-section h2 { font-size: 2.5rem; margin-bottom: 2rem; }

footer { padding: 3rem 5%; text-align: center; border-top: 1px solid var(--border); color: var(--text-muted); background: var(--surface); }
footer a { color: var(--text-muted); text-decoration: none; margin: 0 15px; }
footer a:hover { color: var(--text); }

@media (max-width: 768px) {
    header { flex-direction: column; gap: 1rem; }
    nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
    nav a { margin-left: 0; }
    .hero h1 { font-size: 2.5rem; }
    .section-container h2 { font-size: 1.8rem; }
}