/* ============================================================================
   ADA Tech, LLC — site styles
   Single stylesheet for the whole site (replaces the old resources/css,
   stylesheet/ and theme/ folders). No frameworks, no JS.
   ============================================================================ */

:root {
    --bg: #0f1115;
    --bg-soft: #171a21;
    --text: #e7e9ee;
    --muted: #9aa3b2;
    --border: #2a2f3a;
    --accent: #3b82f6;
    --accent-ink: #5b9bff;
    --maxw: 720px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-ink); text-decoration: underline; }

/* --- Header ---------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(15, 17, 21, .72);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.brand {
    color: var(--text);
    font-weight: 650;
    font-size: 16px;
    letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }

.nav-links { display: flex; gap: 22px; }
.nav-links a { color: var(--muted); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.active { color: var(--text); }

/* --- Content -------------------------------------------------------------- */
main {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 80px 20px 96px;
}

h1 {
    font-size: clamp(30px, 5vw, 42px);
    line-height: 1.12;
    letter-spacing: -0.02em;
    font-weight: 680;
    margin: 0 0 20px;
}

h2 {
    font-size: 22px;
    letter-spacing: -0.01em;
    font-weight: 640;
    margin: 36px 0 14px;
}

p { margin: 0 0 16px; }
.lead { font-size: 18px; margin: 0 0 18px; }
.muted { color: var(--muted); }

/* --- Button --------------------------------------------------------------- */
.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 11px 20px;
    border-radius: 10px;
    transition: background .15s ease, transform .05s ease;
}
.btn:hover { background: var(--accent-ink); color: #fff; text-decoration: none; }
.btn:active { transform: translateY(1px); }

.cta { margin-top: 28px; }

/* --- Key/value rows (Site Info) ------------------------------------------- */
.rows { margin-top: 28px; border-top: 1px solid var(--border); }
.row {
    display: flex;
    gap: 16px;
    padding: 15px 2px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.row .k { width: 150px; flex-shrink: 0; color: var(--muted); font-weight: 500; }
.row .v { flex: 1; min-width: 220px; }

/* --- Footer --------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.site-footer .inner { max-width: var(--maxw); margin: 0 auto; padding: 24px 20px; }

@media (max-width: 480px) {
    main { padding: 52px 20px 72px; }
    .nav { padding: 13px 18px; }
    .nav-links { gap: 18px; }
}