:root{--forest:#0F3A2E;--forest-deep:#0A2A21;--lime:#D4F26A;--lime-soft:#E8F7A8;--canvas:#F7F7F5;--paper:#FFF;--ink:#111714;--ink2:#2A332E;--muted:#5B6660;--border:#ECECEA;--border-strong:#DCDCD8;
--font-display:'Fraunces',serif;--font-body:-apple-system,BlinkMacSystemFont,'SF Pro Text','Inter',system-ui,'IBM Plex Sans Arabic','Noto Sans Arabic',sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-body);background:var(--canvas);color:var(--ink);line-height:1.65;font-size:16px}
.pnav{position:sticky;top:0;z-index:100;background:rgba(247,247,245,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.pnav-in{max-width:1080px;margin:0 auto;padding:15px 22px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--forest);line-height:1;text-decoration:none}
.logo .fv-mark{display:block;flex-shrink:0}
.wordmark{font-family:var(--font-display);font-weight:400;color:var(--forest);line-height:1;letter-spacing:-0.045em;font-size:1.45rem;white-space:nowrap}
.wordmark .flow{font-style:italic;font-weight:500}
.wordmark .verse{font-style:normal;font-weight:400}
.wordmark .dot{color:var(--forest)}
html[dir=rtl] .wordmark{direction:ltr}
.pnav-links{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.pnav-links>a:not(.btn){color:var(--ink2);text-decoration:none;font-size:.92rem;font-weight:500}
.pnav-links>a:not(.btn):hover{color:var(--forest)}
.pnav-links a.btn-primary{color:#fff}
.lang-btn{background:none;border:1.5px solid var(--border-strong);border-radius:20px;padding:6px 13px;font-family:var(--font-body);font-size:.85rem;font-weight:600;color:var(--ink2);cursor:pointer}
.lang-btn:hover{border-color:var(--forest);color:var(--forest)}
@media(max-width:820px){.pnav-links>a:not(.btn){display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:10px;font-weight:600;font-size:.95rem;text-decoration:none;cursor:pointer;border:1px solid transparent;font-family:var(--font-body);transition:all .25s ease}
.btn-primary{background:var(--forest);color:#fff !important}
.btn-primary:hover{background:var(--forest-deep)}
.btn-lime{background:var(--lime);color:var(--forest)}
.pwrap{max-width:880px;margin:0 auto;padding:48px 22px 80px}
.pwrap-wide{max-width:1080px;margin:0 auto;padding:48px 22px 80px}
.ptag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--forest);background:var(--lime-soft);border-radius:20px;padding:5px 14px;margin-bottom:14px}
html[dir=rtl] .ptag{letter-spacing:0}
h1{font-family:var(--font-display);font-size:2.3rem;color:var(--forest);line-height:1.15;margin-bottom:12px;text-wrap:balance}
h2{font-family:var(--font-display);font-size:1.45rem;color:var(--forest);margin:34px 0 10px}
h3{font-size:1.05rem;margin:22px 0 8px}
p{margin-bottom:14px;color:var(--ink2)}
.sub{font-size:1.05rem;color:var(--muted);max-width:60ch}
ul,ol{margin:0 0 14px 1.3em}
html[dir=rtl] ul,html[dir=rtl] ol{margin:0 1.3em 14px 0}
li{margin-bottom:6px;color:var(--ink2)}
.card{background:var(--paper);border:1px solid var(--border);border-radius:16px;padding:26px 28px;margin:18px 0}
.note{background:var(--lime-soft);border:1px solid var(--forest);border-radius:12px;padding:14px 18px;font-size:.92rem;margin:16px 0}
.warn{background:#FFFBEB;border:1px solid #FCD34D;border-radius:12px;padding:14px 18px;font-size:.92rem;margin:16px 0;color:#78350F}
.tblwrap{overflow-x:auto;background:var(--paper);border:1px solid var(--border);border-radius:14px;margin:18px 0}
table{border-collapse:collapse;width:100%;font-size:.92rem;min-width:560px}
th{background:var(--forest);color:#fff;text-align:start;padding:11px 14px;font-weight:600;font-size:.85rem}
td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top;color:var(--ink2)}
tr:last-child td{border-bottom:none}
td.y{color:#15803d;font-weight:700}td.n{color:#b91c1c;font-weight:600}td.p{color:#a16207;font-weight:600}
.calc{display:grid;gap:14px}
.calc label{font-size:.88rem;font-weight:600;color:var(--ink2)}
.calc input[type=number]{width:100%;padding:11px 14px;border:1.5px solid var(--border-strong);border-radius:10px;font-size:1rem;font-family:var(--font-body);background:var(--paper)}
.calc input[type=range]{width:100%;accent-color:var(--forest)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.calc-grid{grid-template-columns:1fr}}
.result{background:var(--forest);color:var(--lime-soft);border-radius:16px;padding:24px 28px;margin-top:8px}
.result .big{font-family:var(--font-display);font-size:2.4rem;color:var(--lime);line-height:1.1;font-variant-numeric:tabular-nums}
.result .rlabel{font-size:.85rem;opacity:.85;margin-bottom:4px}
.result .rrow{margin-top:14px}
.cta-strip{background:var(--forest);border-radius:18px;padding:34px 30px;text-align:center;margin-top:44px}
.cta-strip h2{color:#F5F2EA;margin:0 0 8px;font-size:1.5rem}
.cta-strip p{color:rgba(245,242,234,.8);margin-bottom:18px}
.pfoot{border-top:1px solid var(--border);padding:26px 22px;text-align:center;font-size:.85rem;color:var(--muted)}
.pfoot a{color:var(--muted)}
.help-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:22px}
.help-card{background:var(--paper);border:1px solid var(--border);border-radius:14px;padding:20px 22px;text-decoration:none;display:block;transition:border-color .15s}
.help-card:hover{border-color:var(--forest)}
.help-card b{color:var(--forest);font-size:1rem;display:block;margin-bottom:5px}
.help-card span{font-size:.86rem;color:var(--muted)}
.help-cat{font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:30px 0 4px}
html[dir=rtl] .help-cat{letter-spacing:0}
.src{font-size:.8rem;color:var(--muted);margin-top:22px;line-height:1.7}

/* ── i18n default-hide (paired with the pre-paint data-lang stamp in each page's
   <head>). Before this, a no-JS or pre-paint render showed EN+AR stacked ("soup"),
   including to crawlers. Now exactly one language renders from first paint. The
   pre-paint script sets html[data-lang]; JS toggling swaps it. `revert` restores
   each element's natural display (inline span or block div). */
.i18n-ar{display:none}
html[data-lang="ar"] .i18n-ar{display:revert}
html[data-lang="ar"] .i18n-en{display:none}
/* Arabic headings: Fraunces has no Arabic glyphs — use the Arabic body face */
html[dir="rtl"] h1,html[dir="rtl"] h2,html[dir="rtl"] h3,html[dir="rtl"] h4,html[dir="rtl"] .quote-body{font-family:'IBM Plex Sans Arabic','Noto Sans Arabic',var(--font-body)}