/* NightGuardian site: night blue with the warm light of a watchman's lantern. No frameworks, no web fonts. */
:root {
    color-scheme: dark;
    --bg: #080d1c;
    --bg2: #0c1430;
    --surface: #111a36;
    --surface2: #16224a;
    --line: #243059;
    --text: #e9edfa;
    --muted: #a0abcd;
    --accent: #f5b942;
    --accent-2: #ffd98a;
    --accent-ink: #1a1203;
    --blue: #5b7cfa;
    --danger: #ff7b7b;
    --ok: #5ee0a0;
    --radius: 14px;
    --shadow: 0 10px 40px rgb(0 0 0 / .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

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

a { color: var(--accent-2); text-underline-offset: .18em; }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; }
code, pre, kbd { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { font-size: .88em; background: rgb(255 255 255 / .08); padding: .08em .38em; border-radius: .35em; }
h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -.01em; }
p { margin: 0 0 1rem; }

.wrap { width: min(72rem, 100% - 2rem); margin-inline: auto; }
.section { padding: 4.5rem 0; }
.section.alt { background: linear-gradient(180deg, var(--bg2), var(--bg)); }
.eyebrow { color: var(--accent); font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: .8rem; }
.section h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); margin-bottom: .8rem; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 46rem; }
.muted { color: var(--muted); }

/* --- navigation ------------------------------------------------------------------------------------------------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgb(8 13 28 / .82); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 1rem; min-height: 3.6rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; color: #fff; text-decoration: none; letter-spacing: -.01em; }
.brand svg { width: 1.6rem; height: 1.6rem; }
.nav-links { display: none; margin-left: auto; align-items: center; gap: 1.15rem; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.nav-links a:hover { color: #fff; }
.nav-links a.btn { color: var(--accent-ink); font-size: .9rem; }
.nav-links a.btn:hover { color: var(--accent-ink); }
.nav-menu { margin-left: auto; position: relative; }
.nav-menu summary { list-style: none; cursor: pointer; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 10px; color: var(--text); font-size: .9rem; }
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu[open] .menu-panel { display: grid; }
.menu-panel { display: none; position: absolute; right: 0; top: 2.9rem; min-width: 14rem; gap: .2rem; padding: .6rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.menu-panel a { padding: .55rem .7rem; border-radius: 8px; color: var(--text); text-decoration: none; }
.menu-panel a:hover { background: var(--surface2); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang a { padding: .25rem .65rem; font-size: .8rem; font-weight: 700; color: var(--muted); text-decoration: none; }
.lang a[aria-current="true"] { background: var(--accent); color: var(--accent-ink); }
@media (min-width: 62rem) {
    .nav-links { display: flex; }
    .nav-menu { display: none; }
}

/* --- buttons ---------------------------------------------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; border: 1px solid transparent; border-radius: 12px; padding: .72rem 1.2rem; font: inherit; font-weight: 700; font-size: .95rem; text-decoration: none; cursor: pointer; transition: transform .12s ease, background .12s ease, box-shadow .12s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 0 rgb(245 185 66 / .5), 0 8px 24px rgb(245 185 66 / .22); }
.btn-primary:hover { background: var(--accent-2); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); color: #fff; border-color: #34437a; }
.btn-danger { background: #e5484d; color: #fff; }
.btn-sm { padding: .5rem .9rem; font-size: .88rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* --- hero ------------------------------------------------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; padding: 5.5rem 0 4.5rem; background:
    radial-gradient(60rem 28rem at 78% -10%, rgb(245 185 66 / .16), transparent 60%),
    radial-gradient(50rem 30rem at 10% 0%, rgb(91 124 250 / .18), transparent 60%),
    var(--bg); }
.hero::before { content: ""; position: absolute; inset: 0; background-image:
    radial-gradient(1.2px 1.2px at 12% 22%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 68%, #cdd7ff 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 64% 18%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 82% 58%, #cdd7ff 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 92% 12%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 46% 40%, #cdd7ff 50%, transparent 51%);
    opacity: .6; pointer-events: none; }
.hero-tag { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; margin-bottom: 1.1rem; }
.pill { display: inline-block; padding: .3rem .8rem; border: 1px solid rgb(245 185 66 / .45); border-radius: 999px; color: var(--accent); font-weight: 700; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; background: rgb(245 185 66 / .08); }
.btn-gh { background: var(--surface); color: var(--text); border-color: var(--line); gap: .45rem; white-space: nowrap; }
.btn-gh:hover { background: var(--surface2); color: #fff; border-color: #34437a; }
.nav-links a.btn-gh { color: var(--text); }
.nav-links a.btn-gh:hover { color: #fff; }
.btn-gh .gh-stars { padding-left: .55rem; margin-left: .15rem; border-left: 1px solid var(--line); color: var(--accent-2); font-weight: 700; }
.menu-panel a.btn-gh { margin-top: .3rem; }
.repo-link { margin: .8rem 0 0; font-size: .9rem; }
.hero .wrap { position: relative; display: grid; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 5.4vw, 3.6rem); font-weight: 800; letter-spacing: -.025em; margin-bottom: 1.1rem; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .sub { color: var(--muted); font-size: clamp(1.02rem, 1.6vw, 1.2rem); max-width: 40rem; margin-bottom: 1.8rem; }
.hero .note { color: var(--muted); font-size: .86rem; margin-top: 1.1rem; }
.hero-shot { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow), 0 0 80px rgb(91 124 250 / .18); background: var(--surface); }
.hero-shot img { display: block; width: 100%; aspect-ratio: 16 / 11; object-fit: cover; object-position: top left; }
@media (min-width: 62rem) { .hero .wrap { grid-template-columns: 1.05fr .95fr; } }

/* --- cards and grids -------------------------------------------------------------------------------------------- */
.grid { display: grid; gap: 1.1rem; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(21rem, 1fr)); }
.card { background: linear-gradient(180deg, var(--surface2), var(--surface)); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem 1.4rem; }
.card h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
.card .icon { display: inline-grid; place-items: center; width: 2.3rem; height: 2.3rem; border-radius: 10px; background: rgb(245 185 66 / .14); color: var(--accent); margin-bottom: .8rem; font-size: 1.15rem; }

.problems { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: .7rem; }
.problems li { display: flex; gap: .8rem; align-items: flex-start; padding: .9rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); }
.problems li::before { content: "!"; flex: none; display: grid; place-items: center; width: 1.5rem; height: 1.5rem; margin-top: .1rem; border-radius: 50%; background: rgb(255 123 123 / .16); color: var(--danger); font-weight: 800; font-size: .85rem; }

/* --- how it works ----------------------------------------------------------------------------------------------- */
.diagram { margin: 2rem 0; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.diagram { overflow-x: auto; }
.diagram svg { display: block; width: 100%; min-width: 46rem; height: auto; }
.diagram text { font: 600 13px system-ui, sans-serif; fill: var(--text); }
.diagram .sub { font-weight: 500; font-size: 11px; fill: var(--muted); }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: .9rem; }
.steps li { counter-increment: step; display: flex; gap: .9rem; align-items: flex-start; color: var(--muted); }
.steps li::before { content: counter(step); flex: none; display: grid; place-items: center; width: 1.9rem; height: 1.9rem; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: .9rem; }

/* --- screenshots ------------------------------------------------------------------------------------------------ */
.shots { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); margin-top: 2rem; }
.shot { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.shot img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; background: #fff; }
.shot figcaption { padding: .8rem 1rem; color: var(--muted); font-size: .88rem; }

/* --- install and code ------------------------------------------------------------------------------------------- */
pre.code { margin: .8rem 0 0; padding: 1rem 1.1rem; background: #050914; border: 1px solid var(--line); border-radius: 12px; overflow-x: auto; color: #dbe4ff; font-size: .84rem; line-height: 1.6; }
.install .card { display: flex; flex-direction: column; }
.install .num { color: var(--accent); font-weight: 800; font-size: .85rem; letter-spacing: .08em; }

/* --- table ------------------------------------------------------------------------------------------------------ */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); margin-top: 1.4rem; }
table { width: 100%; border-collapse: collapse; min-width: 30rem; }
th, td { padding: .85rem 1.1rem; text-align: left; border-bottom: 1px solid var(--line); }
th { background: var(--surface2); color: var(--muted); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
.badge { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.badge.ok { background: rgb(94 224 160 / .14); color: var(--ok); }
.badge.wanted { background: rgb(245 185 66 / .14); color: var(--accent); }

/* --- live demo and support -------------------------------------------------------------------------------------- */
.panel-box { display: grid; gap: 2rem; align-items: center; padding: 2rem; border: 1px solid #34437a; border-radius: 20px; background: radial-gradient(40rem 20rem at 100% 0%, rgb(245 185 66 / .14), transparent 60%), var(--surface); }
@media (min-width: 52rem) { .panel-box { grid-template-columns: 1.2fr .8fr; padding: 2.6rem; } }
.cred { margin: 0; padding: 1.1rem 1.2rem; border: 1px dashed #3a4a85; border-radius: 12px; background: rgb(0 0 0 / .22); }
.cred dt { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; margin-top: .5rem; }
.cred dt:first-child { margin-top: 0; }
.cred dd { margin: .1rem 0 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #fff; word-break: break-all; }
.support { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 52rem) { .support.has-qr { grid-template-columns: 1fr auto; } }
.qr { text-align: center; }
.qr .qr-box { display: inline-block; padding: .7rem; background: #fff; border-radius: 14px; }
.qr svg { display: block; width: 9.5rem; height: 9.5rem; }
.qr small { display: block; margin-top: .5rem; color: var(--muted); }

/* --- links and footer ------------------------------------------------------------------------------------------- */
.linklist { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); margin-top: 1.4rem; }
.linklist a { display: block; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); text-decoration: none; }
.linklist a:hover { border-color: var(--accent); }
.footer { border-top: 1px solid var(--line); padding: 2.4rem 0 3rem; color: var(--muted); font-size: .92rem; }
.footer .wrap { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between; align-items: center; }

/* --- the live demo page (/try) ---------------------------------------------------------------------------------- */
.page { padding: 2.2rem 0 3.5rem; }
.page h1 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); margin-bottom: .5rem; }
.page h2 { margin: 2.6rem 0 .8rem; font-size: 1.3rem; }
.tcard { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem 1.25rem; }
.tcard h3 { font-size: 1.02rem; margin-bottom: .4rem; }
.tcard p { color: var(--muted); font-size: .9rem; margin: 0 0 .6rem; }
.tcard .expect { color: var(--accent-2); font-size: .82rem; }
.tcard form, .tcard > .btn, .tcard > .row { margin-top: auto; }
.row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.row form { margin: 0; }
.flash { background: var(--surface); border: 1px solid var(--ok); border-left-width: 5px; border-radius: 12px; padding: .9rem 1.1rem; margin-bottom: 1.2rem; }
.flash pre { margin: .35rem 0 0; white-space: pre-wrap; word-break: break-word; color: var(--muted); font-size: .85rem; }
.flash .flash-link { display: inline-block; margin-top: .5rem; }
.warn { background: rgb(245 185 66 / .12); border: 1px solid rgb(245 185 66 / .4); color: var(--accent-2); border-radius: 12px; padding: .8rem 1.1rem; margin-bottom: 1.2rem; font-size: .92rem; }
.result { margin-top: .6rem; padding: .6rem .8rem; border: 1px solid var(--line); border-radius: 10px; white-space: pre-wrap; font-size: .82rem; }
.status { margin: 0; padding: 1rem 1.2rem; background: #050914; border: 1px solid var(--line); border-radius: 12px; overflow-x: auto; font-size: .82rem; }
input[type=number], input[type=password], input[type=text] { padding: .5rem .7rem; border: 1px solid var(--line); border-radius: 9px; background: #050914; color: var(--text); font: inherit; }
input[type=number] { width: 5.5rem; }
label { color: var(--muted); font-size: .9rem; }
.center-box { width: min(26rem, 100% - 2rem); margin: 4rem auto; }
.center-box .tcard { padding: 1.6rem; }