/* BLACKOUT shared styles. Colours come from the project logo:
   near-black #141414, cream #FBF1DF, and the tan/gold of the compass star (#E9BE80, #D4A062). */
:root {
  --bg: #141414; --bg2: #1a1815; --card: #1f1c18; --card2: #26221c;
  --ink: #FBF1DF; --muted: #b9a88c; --line: #3a3128;
  --gold: #E9BE80; --gold2: #D4A062; --hl: #EFCB93;
  --accent: #E9BE80; --accent-ink: #141414;
  --ok: #8fd19e; --bad: #ff8f7a; --warn: #f0c36a;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
  --display: "Chakra Petch", "IBM Plex Sans Arabic", "Segoe UI", sans-serif;
  --body: "IBM Plex Sans", "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #FAF6EE; --bg2: #f3ead9; --card: #fffdf8; --card2: #f6eedf;
  --ink: #1A1A1A; --muted: #6a5a44; --line: #e0cfae;
  --gold: #b9853f; --gold2: #D4A062; --hl: #8a5a1f;
  --accent: #1A1A1A; --accent-ink: #FAF6EE;
  --ok: #1f7a45; --bad: #b3361e; --warn: #96650a;
  --shadow: 0 18px 44px rgba(90, 64, 38, .16);
  color-scheme: light;
}
:root[data-lang="ar"] { --display: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 1rem/1.65 var(--body); -webkit-font-smoothing: antialiased;
  transition: background .35s, color .35s; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--hl); }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.15; margin: 0; text-wrap: balance; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Language and theme switches: both versions live in the page; CSS shows one. */
:root:not([data-lang="ar"]) .ar, :root[data-lang="ar"] .en { display: none !important; }
:root:not([data-theme="light"]) .only-light, :root[data-theme="light"] .only-dark { display: none !important; }
.ltr { direction: ltr; unicode-bidi: isolate; }
/* An element marked hidden must never show, even if another rule sets its display. */
[hidden] { display: none !important; }

.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }
section { padding: 72px 0; }
.eyebrow { font: 500 .78rem var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--hl); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
:root[data-lang="ar"] .eyebrow { letter-spacing: 0; font-family: var(--body); font-size: .9rem; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--gold); }
.h-sec { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 600; margin-bottom: 14px; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 66ch; }

/* Header */
#site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 22px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 600 1.15rem "Chakra Petch", sans-serif; letter-spacing: .2em; }
.brand img { height: 30px; width: auto; }
#nav { display: flex; gap: 4px; margin-inline-start: auto; }
#nav a { color: var(--muted); text-decoration: none; padding: 8px 14px; border-radius: 999px; font-weight: 500; font-size: .95rem; transition: color .2s, background .2s; }
#nav a:hover { color: var(--ink); }
#nav a[aria-current] { color: var(--accent-ink); background: var(--accent); }
.tools { display: flex; gap: 8px; }
.tool { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; font: 600 .85rem var(--body); transition: border-color .2s, transform .2s; }
.tool:hover { border-color: var(--gold); transform: translateY(-1px); }
.tool.menu { display: none; }
.signin-top { display: inline-flex; align-items: center; gap: 7px; height: 38px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--gold); color: var(--ink); background: var(--card); text-decoration: none; font: 600 .85rem var(--body); transition: transform .2s, background .2s; }
.signin-top:hover { transform: translateY(-1px); }
.signin-top.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
@media (max-width: 760px) {
  .tool.menu { display: grid; }
  #nav { display: none; position: absolute; inset-inline: 0; top: 64px; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px 20px 16px; }
  #site-header.open #nav { display: flex; }
  .tools { margin-inline-start: auto; }
  .brand { letter-spacing: .12em; font-size: 1rem; }
  .brand span { display: none; }
  .signin-top { padding: 0 11px; }
}

/* Buttons, chips, cards */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 22px; border-radius: 999px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); font: 600 .95rem var(--body); text-decoration: none; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px color-mix(in srgb, var(--gold2) 35%, transparent); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--gold); box-shadow: none; }
.btn .arrow { transition: transform .2s; }
:root[dir="rtl"] .btn .arrow { transform: scaleX(-1); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); font: 500 .85rem var(--body); cursor: pointer; transition: all .2s; }
.chip:hover { color: var(--ink); border-color: var(--gold); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; transition: transform .25s, border-color .25s, box-shadow .25s; }
a.card, button.card { color: inherit; text-decoration: none; text-align: start; font: inherit; cursor: pointer; display: block; width: 100%; }
a.card:hover, button.card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.tag { display: inline-block; font: 500 .72rem var(--mono); padding: 3px 9px; border-radius: 6px; border: 1px solid var(--line); color: var(--muted); }
.tag.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.tag.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); }
.tag.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 45%, transparent); }
.note { border-inline-start: 3px solid var(--gold); background: var(--card2); padding: 14px 18px; border-radius: 0 12px 12px 0; color: var(--muted); font-size: .95rem; }
:root[dir="rtl"] .note { border-radius: 12px 0 0 12px; }

/* Tables */
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: start; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 .74rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: var(--card2); white-space: nowrap; }
:root[data-lang="ar"] th { font-family: var(--body); letter-spacing: 0; font-size: .85rem; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--gold) 6%, transparent); }
td.num, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Page hero for inner pages */
.page-hero { padding: 64px 0 34px; position: relative; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; margin-bottom: 14px; }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }
/* Do not shorten animations here: a looping animation squeezed to 0.01s shows as rapid flashing. Each page switches its own decorative motion off instead. */

/* Modal / lightbox */
.modal { position: fixed; inset: 0; z-index: 90; display: none; place-items: center; padding: 20px; background: rgba(8, 7, 6, .72); backdrop-filter: blur(6px); }
.modal.open { display: grid; }
.modal .box { background: var(--card); border: 1px solid var(--line); border-radius: 20px; max-width: 760px; width: 100%; max-height: 90vh; overflow: auto; padding: 26px; position: relative; box-shadow: var(--shadow); animation: pop .25s ease; }
.modal .close { position: absolute; top: 14px; inset-inline-end: 14px; }
@keyframes pop { from { opacity: 0; transform: scale(.96) translateY(10px); } }

/* Footer */
#site-footer { border-top: 1px solid var(--line); margin-top: 40px; color: var(--muted); font-size: .9rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding: 30px 0; align-items: center; }
.foot strong { font: 600 1rem "Chakra Petch", sans-serif; letter-spacing: .2em; color: var(--ink); }
.foot p { margin: 0; }