/* LinkShort base styles: tokens, reset, layout, nav, buttons, logo, footer */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

:root {
    --bg: #070e22;
    --bg-2: #0b1530;
    --surface: rgba(255, 255, 255, .035);
    --surface-strong: rgba(255, 255, 255, .06);
    --border: rgba(255, 255, 255, .09);
    --border-strong: rgba(127, 219, 255, .35);
    --white: #ffffff;
    --text: #e8eefc;
    --muted: #93a3c7;
    --blue: #4da3ff;
    --baby-blue: #7fdbff;
    --safe: #1fd47b;
    --warning: #f5c518;
    --unsafe: #ff4d4d;
    --radius: 18px;
    --container: 1100px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(900px 500px at 78% -5%, rgba(77, 163, 255, .18), transparent 60%),
        radial-gradient(700px 500px at 5% 20%, rgba(127, 219, 255, .08), transparent 60%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.center { align-items: center; justify-content: center; padding: 24px; }

a { color: inherit; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }

/* Logo: <span class="logo-link">Link</span>Short */
.logo {
    display: inline-flex;
    align-items: center;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -.02em;
    color: var(--white);
    text-decoration: none;
}
.logo .logo-link {
    color: var(--baby-blue);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}
.logo-top { font-size: 2rem; margin-bottom: 28px; }

/* Nav */
.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
    background: rgba(7, 14, 34, .72);
    border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 500; transition: color .2s; }
.nav-link:hover { color: var(--white); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: var(--baby-blue);
    color: #05122b;
    font: inherit;
    font-weight: 700;
    font-size: .95rem;
    text-decoration: none;
    cursor: pointer;
    transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(127, 219, 255, .35); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-strong); border-color: var(--border-strong); box-shadow: none; }
.btn-sm { padding: 8px 16px; font-size: .85rem; border-radius: 10px; }
.btn-block { width: 100%; }

footer.site-footer {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding: 28px 0;
    color: var(--muted);
    font-size: .85rem;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-inner .logo { font-size: 1.1rem; }