/* Shared chrome for marketing pages: tokens, reset, nav, buttons, footer. */

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

:root {
    --paper: #F6F4EE;
    --paper2: #ECE9E1;
    --ink: #14131A;
    --deep: #17152B;
    --violet: #5747D9;
    --violet-dark: #4736C0;
    --tint: #ECE9FB;
    --border: #D9D5CA;
    --border-soft: #ECE9E1;
    --muted: #6E6B7A;
    --faint: #9C99A8;
    --body: #4B4956;
    --white: #FFFFFF;
    --sans: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
    --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
    --mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
    --radius: 12px;
    --nav-height: 64px;
}

html { scroll-behavior: smooth; }

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--violet); text-decoration: none; }
a:hover { color: var(--violet-dark); }

img { max-width: 100%; display: block; }

.container { max-width: 1248px; margin: 0 auto; padding: 0 32px; }

.serif { font-family: var(--serif); font-style: italic; font-weight: 400; }

.mono {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.mono-plain {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.02em;
    color: var(--muted);
    white-space: nowrap;
}

/* ── NAV ── */
nav.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: var(--nav-height);
    max-width: 1248px;
    margin: 0 auto;
    padding: 0 32px;
}
.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.01em;
    text-decoration: none;
}
.nav-logo:hover { color: var(--ink); }
.nav-logo img { height: 24px; width: 24px; }
.nav-links {
    display: flex;
    align-items: center;
    justify-self: center;
    gap: 8px;
}
.nav-link {
    font-size: 15px;
    color: var(--ink);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}
.nav-link:hover { color: var(--ink); background: var(--paper2); }
.nav-link.active { color: var(--violet-dark); }
.nav-right {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 16px;
}
.nav-mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
}

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 18px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: #2A2833; border-color: #2A2833; color: var(--paper); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--paper2); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); padding: 0 6px; }
.btn-ghost:hover { color: var(--violet-dark); }
.btn-lg { height: 48px; padding: 0 22px; }
.btn:disabled { opacity: 0.6; cursor: default; }

/* ── FOOTER ── */
footer.site-footer {
    border-top: 1px solid var(--border);
    padding: 32px 0 48px;
    margin-top: 96px;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
}
.footer-logo img { height: 20px; width: 20px; }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-link { font-size: 14px; color: var(--body); text-decoration: none; transition: color 0.15s; }
.footer-link:hover { color: var(--ink); }
.footer-copy { font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; color: var(--muted); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .nav-inner { display: flex; justify-content: space-between; padding: 0 20px; }
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 12px 20px 16px;
        background: var(--paper);
        border-bottom: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .nav-link { padding: 10px 8px; font-size: 16px; }
    .nav-right { gap: 8px; }
    .nav-right .btn-ghost { display: none; }
    .nav-mobile-toggle { display: inline-flex; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
    footer.site-footer { margin-top: 64px; }
}