* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1f2933;
    line-height: 1.5;
}

a { text-decoration: none; }

.nav {
    border-bottom: 1px solid #e4e7eb;
    background: #fff;
}
.nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand { font-weight: 700; font-size: 1.2rem; color: #1f2933; }

.btn-ghost {
    padding: .5rem 1.1rem;
    border: 1px solid #2563eb;
    border-radius: 6px;
    color: #2563eb;
    font-size: .9rem;
}
.btn-ghost:hover { background: #2563eb; color: #fff; }

.btn-primary {
    display: inline-block;
    padding: .8rem 1.6rem;
    background: #2563eb;
    color: #fff;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
}
.btn-primary:hover { background: #1d4ed8; }

.hero {
    background: linear-gradient(135deg, #1f2933, #323f4b);
    color: #fff;
    text-align: center;
    padding: 5rem 1.5rem;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero h1 { font-size: 2.2rem; margin-bottom: 1rem; }
.hero-sub { font-size: 1.1rem; color: #cbd2d9; margin-bottom: 2rem; }

.features { padding: 4rem 1.5rem; background: #f4f6f8; }
.features-inner {
    max-width: 1080px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}
.feature h3 { margin: 0 0 .5rem; font-size: 1.1rem; }
.feature p { margin: 0; color: #52606d; font-size: .95rem; }

.cta {
    text-align: center;
    padding: 4rem 1.5rem;
}
.cta h2 { font-size: 1.6rem; margin-bottom: 1.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }

.footer {
    border-top: 1px solid #e4e7eb;
    padding: 1.5rem;
    text-align: center;
    color: #7b8794;
    font-size: .85rem;
}