/* Pixel Accounting & Bookkeeping LLC — design system
   Palette: ink navy / teal / gold on paper. Signature: the accountant's double rule. */

:root{
  --ink:#FFFFFF;
  --navy:#161820;
  --navy-soft:#1E2028;
  --teal:#C9963A;
  --teal-dark:#E8B55A;
  --gold:#C9963A;
  --gold-soft:#E8B55A;
  --paper:#0F1014;
  --card:#1E2028;
  --line:rgba(255,255,255,.09);
  --body:rgba(255,255,255,.80);
  --muted:rgba(255,255,255,.55);
  --radius:10px;
  --font-display:"Cairo",Georgia,sans-serif;
  --font-body:"Cairo",system-ui,sans-serif;
  --font-mono:"Spline Sans Mono",ui-monospace,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  margin:0;background:var(--paper);color:var(--body);
  font-family:var(--font-body);font-size:1.0625rem;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--teal-dark)}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}

h1,h2,h3{font-family:var(--font-display);color:var(--ink);line-height:1.15;
  font-weight:500;letter-spacing:-.01em;margin:0 0 .6em;
  font-variation-settings:"opsz" 60}
h1{font-size:clamp(2.1rem,5.2vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.25rem)}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1em}
.lede{font-size:1.15rem;color:var(--body)}
.muted{color:var(--muted)}

/* Signature: the accountant's double rule (a closed total) */
.rule-total{border:0;height:7px;width:72px;margin:0 0 1.6rem;
  border-top:2px solid var(--gold);border-bottom:1px solid var(--gold)}
.center .rule-total{margin-left:auto;margin-right:auto}

/* Eyebrow labels */
.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal);display:block;margin-bottom:.9rem}

.container{max-width:1120px;margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}
section{padding:clamp(3rem,7vw,5.5rem) 0}
.center{text-align:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,251,249,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:1.5rem;min-height:66px}
.brand{display:flex;align-items:baseline;gap:.55rem;text-decoration:none;margin-right:auto}
.brand-mark{font-family:var(--font-mono);font-weight:600;font-size:1.05rem;color:var(--paper);
  background:var(--ink);padding:.28rem .5rem;border-radius:6px;letter-spacing:.02em}
.brand-mark span{color:var(--gold)}
.brand-name{font-family:var(--font-display);font-size:1.1rem;color:var(--ink);font-weight:600}
.nav-links{display:flex;gap:1.4rem;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);text-decoration:none;font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--teal)}
.nav-toggle{display:none}
.nav-toggle-label{display:none;cursor:pointer;padding:.5rem;margin-left:auto}
.nav-toggle-label span,.nav-toggle-label span::before,.nav-toggle-label span::after{
  display:block;width:22px;height:2px;background:var(--ink);position:relative;content:""}
.nav-toggle-label span::before{position:absolute;top:-7px}
.nav-toggle-label span::after{position:absolute;top:7px}

@media (max-width:820px){
  .nav-toggle-label{display:block}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:var(--paper);
    border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;
    padding:1rem clamp(1.1rem,4vw,2rem) 1.4rem;gap:1rem}
  .nav-toggle:checked ~ .nav-links{display:flex}
  .nav .btn{display:none}
  .nav-links .btn{display:inline-flex}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.98rem;
  padding:.72rem 1.35rem;border-radius:999px;text-decoration:none;border:1.5px solid transparent;
  transition:transform .15s ease,background .15s ease}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-dark);color:#fff}
.btn-whatsapp{background:#128C4A;color:#fff}
.btn-whatsapp:hover{background:#0E7A3F;color:#fff}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-light{background:var(--paper);color:var(--ink)}
.btn-light:hover{background:#fff}

/* ---------- Hero ---------- */
.hero{padding:clamp(3rem,7vw,5.5rem) 0 clamp(2.5rem,6vw,4.5rem);
  display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero .actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.hero-note{font-size:.9rem;color:var(--muted);margin-top:1rem}
@media (max-width:900px){.hero{grid-template-columns:1fr}}

/* ---------- Ledger card (signature artefact) ---------- */
.ledger-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 18px 40px -24px rgba(13,27,42,.35);padding:1.4rem 1.5rem 1.2rem;
  font-family:var(--font-mono);font-size:.86rem;color:var(--ink)}
.ledger-card .lc-head{display:flex;justify-content:space-between;align-items:baseline;
  border-bottom:1px solid var(--line);padding-bottom:.7rem;margin-bottom:.4rem}
.ledger-card .lc-title{font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.74rem}
.ledger-card .lc-period{color:var(--muted);font-size:.74rem}
.lrow{display:flex;justify-content:space-between;align-items:baseline;padding:.42rem 0;
  border-bottom:1px dotted var(--line)}
.lrow .lbl{color:var(--body);font-family:var(--font-body);font-size:.9rem}
.lrow .fig{font-variant-numeric:tabular-nums;font-weight:500}
.lrow.total{border-bottom:0;padding-top:.6rem;margin-top:.2rem}
.lrow.total .lbl{font-weight:700;color:var(--ink);font-family:var(--font-body)}
.lrow.total .fig{font-weight:700;color:var(--teal-dark);
  border-bottom:3px double var(--gold);padding-bottom:2px}
.fig.good{color:var(--teal-dark)}
.lc-foot{margin-top:.9rem;font-size:.72rem;color:var(--muted);font-family:var(--font-body)}

/* ---------- Card grids ---------- */
.grid{display:grid;gap:1.2rem}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid.cols-3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem 1.5rem 1.3rem;display:flex;flex-direction:column}
.card h3{margin-bottom:.5rem}
.card p{font-size:.97rem;margin-bottom:.9rem}
.card .more{margin-top:auto;font-weight:600;font-size:.92rem;text-decoration:none}
.card .kicker{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--gold);margin-bottom:.55rem;display:block;filter:brightness(.85)}

/* ---------- Dark band ---------- */
.band{background:var(--ink);color:#D9DEE4}
.band h2,.band h3{color:var(--paper)}
.band .eyebrow{color:var(--gold-soft)}
.band a:not(.btn){color:var(--gold-soft)}
.band .card{background:var(--navy);border-color:#22364F;color:#C9D2DB}
.band .card h3{color:var(--paper)}
.band .lrow{border-color:#2A3E58}
.band .lrow .lbl{color:#B9C4CE}

/* ---------- Steps (true sequence) ---------- */
.steps{counter-reset:step;display:grid;gap:1.1rem;grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{counter-increment:step;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.3rem 1.3rem 1.1rem}
.step::before{content:counter(step,decimal-leading-zero);font-family:var(--font-mono);
  color:var(--gold);font-size:.85rem;letter-spacing:.08em;display:block;margin-bottom:.6rem;
  filter:brightness(.85)}
.step h3{font-size:1.05rem;margin-bottom:.35rem}
.step p{font-size:.92rem;margin:0;color:var(--muted)}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}

/* ---------- Checklist ---------- */
.checks{list-style:none;padding:0;margin:0 0 1.2rem}
.checks li{padding:.45rem 0 .45rem 1.7rem;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;top:.42rem;color:var(--teal);
  font-weight:700}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--line);padding:.4rem 0}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink);padding:.7rem 0;list-style:none;
  display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--gold);font-size:1.1rem;
  filter:brightness(.85)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:.9rem;margin:0;font-size:.97rem}

/* ---------- Pricing ledger ---------- */
.price-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
@media (max-width:900px){.price-cards{grid-template-columns:1fr}}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem 1.6rem;display:flex;flex-direction:column}
.price-card.featured{border-color:var(--gold);box-shadow:0 16px 36px -22px rgba(201,162,39,.5)}
.price-card .tier{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal)}
.price-card .amount{font-family:var(--font-mono);font-size:2rem;color:var(--ink);
  font-variant-numeric:tabular-nums;margin:.5rem 0 .1rem}
.price-card .amount small{font-size:.85rem;color:var(--muted)}
.price-card .per{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.price-card .btn{margin-top:auto;justify-content:center}

/* ---------- Trust strip ---------- */
.trust{display:flex;flex-wrap:wrap;gap:1rem 2.2rem;justify-content:center;
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em;color:var(--muted)}
.trust span::before{content:"— ";color:var(--gold)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--navy-soft);border-radius:var(--radius);
  padding:clamp(2rem,5vw,3.2rem);display:flex;flex-wrap:wrap;gap:1.5rem;
  align-items:center;justify-content:space-between}
.cta-band h2{color:var(--paper);margin:0 0 .3rem}
.cta-band p{color:#B9C4CE;margin:0}
.cta-band .actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* ---------- Calculator ---------- */
.calc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;max-width:560px}
.calc label{display:block;font-weight:600;font-size:.92rem;color:var(--ink);margin:.9rem 0 .3rem}
.calc input[type=number]{width:100%;padding:.65rem .8rem;border:1px solid var(--line);
  border-radius:8px;font-family:var(--font-mono);font-size:1rem;background:var(--paper)}
.calc .hint{font-size:.8rem;color:var(--muted)}
.calc-result{margin-top:1.3rem;display:none}
.calc-result.show{display:block}
.calc-result .big{font-family:var(--font-mono);font-size:2.2rem;color:var(--ink);
  font-variant-numeric:tabular-nums;border-bottom:3px double var(--gold);
  display:inline-block;padding-bottom:3px}
.calc-result .verdict{margin-top:.6rem;font-weight:600}
.verdict.ok{color:var(--teal-dark)}
.verdict.warn{color:#A15C00}
.verdict.bad{color:#9E2B25}

/* ---------- Breadcrumbs ---------- */
.crumbs{font-size:.85rem;color:var(--muted);padding-top:1.4rem}
.crumbs a{color:var(--muted)}
.crumbs span{color:var(--gold)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#9AA7B2;padding:3.2rem 0 2rem;margin-top:2rem;
  font-size:.92rem}
.site-footer h4{color:var(--paper);font-family:var(--font-body);font-size:.8rem;
  text-transform:uppercase;letter-spacing:.12em;margin:0 0 .8rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.45rem}
.site-footer a{color:#B9C4CE;text-decoration:none}
.site-footer a:hover{color:var(--gold-soft)}
.footer-bottom{border-top:1px solid #22364F;margin-top:2.4rem;padding-top:1.4rem;
  display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between;font-size:.82rem}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;right:1.1rem;bottom:1.1rem;z-index:60;background:#128C4A;color:#fff;
  border-radius:999px;padding:.8rem 1.15rem;font-weight:700;font-size:.95rem;
  text-decoration:none;box-shadow:0 10px 26px -8px rgba(18,140,74,.6);
  display:inline-flex;align-items:center;gap:.5rem}
.wa-float:hover{background:#0E7A3F;color:#fff}
@media print{.wa-float{display:none}}

/* ---------- Page hero (interior) ---------- */
.page-hero{padding:clamp(2.2rem,5vw,3.6rem) 0 clamp(1.6rem,4vw,2.6rem)}
.page-hero p{max-width:62ch}

/* ---------- Table ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl th{text-align:left;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);border-bottom:2px solid var(--ink);
  padding:.5rem .6rem}
.tbl td{border-bottom:1px solid var(--line);padding:.6rem}
.tbl td.fig{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right}

/* ---------- RTL (Arabic) ---------- */
[dir=rtl] body{font-family:"IBM Plex Sans Arabic",var(--font-body)}
[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3{font-family:"Noto Naskh Arabic",var(--font-display);letter-spacing:0}
[dir=rtl] .checks li{padding:.45rem 1.7rem .45rem 0}
[dir=rtl] .checks li::before{left:auto;right:0}
[dir=rtl] .brand{margin-right:0;margin-left:auto}
[dir=rtl] .nav-toggle-label{margin-left:0;margin-right:auto}
[dir=rtl] .lede,[dir=rtl] p{line-height:1.9}
[dir=rtl] .eyebrow{letter-spacing:0}

/* ---------- Blog ---------- */
.post-meta{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);
  letter-spacing:.06em;text-transform:uppercase;margin-bottom:.8rem;display:block}
.post-body{max-width:70ch}
.post-body h2{margin-top:2.2rem;font-size:1.5rem}
.post-body ul{padding-left:1.2rem}
.post-body li{margin-bottom:.4rem}
.post-body table{width:100%;border-collapse:collapse;font-size:.92rem;margin:1rem 0}
.post-body th{text-align:left;border-bottom:2px solid var(--ink);padding:.4rem .5rem;
  font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}
.post-body td{border-bottom:1px solid var(--line);padding:.5rem}
.post-card .date{font-family:var(--font-mono);font-size:.72rem;color:var(--muted)}

/* ---------- Tool result rows ---------- */
.res-rows{margin-top:1rem;font-family:var(--font-mono);font-size:.92rem}
.res-rows .lrow .lbl{font-size:.88rem}

/* ---------- Quiz (QFZP checker) ---------- */
.quiz label.q{display:flex;gap:.7rem;align-items:flex-start;padding:.7rem 0;
  border-bottom:1px solid var(--line);font-weight:500;color:var(--ink);cursor:pointer}
.quiz input{margin-top:.3rem;accent-color:var(--teal)}

/* ---------- RTL (Arabic) ---------- */
[dir=rtl] body,[dir=rtl]{font-family:var(--font-body-ar,"Tajawal"),var(--font-body)}
[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3{font-family:"Amiri",var(--font-display);letter-spacing:0}
[dir=rtl] .checks li{padding:.45rem 1.7rem .45rem 0}
[dir=rtl] .checks li::before{left:auto;right:0}
[dir=rtl] .wa-float{right:auto;left:1.1rem}
[dir=rtl] .brand{margin-right:0;margin-left:auto}
[dir=rtl] .rule-total{margin-right:0}
[dir=rtl] .lrow .fig{font-family:var(--font-mono)}
.lang-switch{font-size:.9rem;font-weight:600}

/* ---------- Quiz (freezone checker) ---------- */
.quiz{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;max-width:640px}
.quiz .q{display:flex;gap:.7rem;align-items:flex-start;padding:.55rem 0;border-bottom:1px dotted var(--line)}
.quiz .q input{margin-top:.35rem;width:18px;height:18px;accent-color:var(--teal)}
.quiz .q label{font-size:.97rem;color:var(--ink)}
[dir=rtl] .quiz .q{text-align:right}

/* ---------- Blog ---------- */
.post-list{display:grid;gap:1.2rem}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem 1.5rem}
.post-card h3{margin-bottom:.3rem}
.post-card .pmeta{font-family:var(--font-mono);font-size:.74rem;color:var(--muted);letter-spacing:.06em}
.post-body{max-width:72ch}
.post-body h2{margin-top:2.2rem;font-size:1.5rem}
.post-body h3{margin-top:1.6rem}
.post-body ul{padding-left:1.3rem}
.post-body blockquote{border-left:3px solid var(--gold);margin:1.2rem 0;padding:.3rem 1.1rem;color:var(--muted);font-style:italic}
.post-body table{width:100%;border-collapse:collapse;font-size:.93rem;margin:1.2rem 0}
.post-body th{text-align:left;border-bottom:2px solid var(--ink);padding:.45rem .5rem;font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}
.post-body td{border-bottom:1px solid var(--line);padding:.5rem}


/* ============ LIVE-SITE THEME (charcoal + gold, from pixelaccounting.ae) ============ */
:root{--gold-pale:rgba(201,150,58,.12);--gold-border:rgba(201,150,58,.28)}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.035;
 background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
main,header,footer{position:relative;z-index:1}
h1,h2,h3{font-weight:700;letter-spacing:0}
.site-header{background:rgba(15,16,20,.92)}
.brand-mark{background:#0F1014;border:1px solid var(--gold-border);color:#fff}
.brand-mark span{color:var(--gold)}
.btn-primary{background:var(--gold);color:#0F1014}
.btn-primary:hover{background:#E8B55A;color:#0F1014}
.btn-ghost{border-color:var(--gold);color:var(--gold)}
.btn-ghost:hover{background:var(--gold);color:#0F1014}
.eyebrow{color:var(--gold)}
.card,.step,.price-card,.calc,.quiz,.post-card,.ledger-card{box-shadow:0 4px 32px rgba(0,0,0,.35)}
.ledger-card{border-color:var(--gold-border)}
.lrow.total .fig{color:var(--gold-soft)}
.fig.good{color:var(--gold-soft)}
.card .kicker{filter:none;color:var(--gold)}
.card .more,a{color:var(--gold)}
a:hover{color:var(--gold-soft)}
.nav-links a{color:rgba(255,255,255,.85)}
.nav-links a:hover{color:var(--gold)}
.nav-toggle-label span,.nav-toggle-label span::before,.nav-toggle-label span::after{background:#fff}
.band{background:#161820;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .card{background:#252830;border-color:rgba(255,255,255,.09)}
.band .lrow{border-color:rgba(255,255,255,.12)}
.step::before{filter:none}
.faq summary::after{filter:none}
.cta-band{background:#1E2028;border:1px solid var(--gold-border)}
.price-card.featured{box-shadow:0 0 40px rgba(201,150,58,.18)}
.price-card .amount{color:#fff}
.calc input[type=number]{background:#0F1014;color:#fff;border-color:rgba(255,255,255,.15)}
.calc input[type=number]::placeholder{color:rgba(255,255,255,.35)}
.verdict.ok{color:#E8B55A}
.verdict.warn{color:#F0A84A}
.verdict.bad{color:#FF7A6E}
.calc-result .big{color:#fff}
.quiz .q input{accent-color:var(--gold)}
.quiz .q label{color:rgba(255,255,255,.9)}
.tbl th{border-bottom-color:var(--gold)}
.post-body th{border-bottom-color:var(--gold)}
.site-footer{background:#0B0C0F;border-top:1px solid var(--line)}
.crumbs span{color:var(--gold)}
[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3{font-family:"Cairo",sans-serif}
[dir=rtl] body,[dir=rtl]{font-family:"Cairo",sans-serif}

/* ---- fix: light headings on dark bands (paper var is now dark) ---- */
.band h2,.band h3,.band .card h3{color:#FFFFFF}
.cta-band h2{color:#FFFFFF}
.site-footer h4{color:#FFFFFF}
.btn-light{background:#FFFFFF;color:#0F1014}
.btn-light:hover{background:#E8B55A;color:#0F1014}

/* ---- logo ---- */
.brand-logo{height:42px;width:auto;display:block}
.footer-logo{height:52px;width:auto;margin-bottom:1rem}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (max-width:480px){.brand-logo{height:34px}}

/* ---- diagrams & photo slot ---- */
.diagram{margin:1.6rem 0 0;background:#16181D;border:1px solid var(--line);border-radius:var(--radius);padding:1rem}
.diagram svg{width:100%;height:auto;display:block}
.about-grid{display:grid;grid-template-columns:300px 1fr;gap:clamp(1.6rem,4vw,3rem);align-items:start}
@media (max-width:760px){.about-grid{grid-template-columns:1fr}.photo-slot{max-width:320px}}
.photo-slot{margin:0}
.photo-slot img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--gold-border);box-shadow:0 4px 32px rgba(0,0,0,.35)}
.photo-slot figcaption{margin-top:.7rem;font-size:.95rem;color:var(--muted)}
.photo-slot figcaption strong{color:#fff}

/* ---- nav dropdowns ---- */
.nav-links li{position:relative}
.nav-links .caret{font-size:.6rem;opacity:.6}
.sub{display:none;position:absolute;top:100%;left:0;background:#1E2028;border:1px solid rgba(255,255,255,.12);
 border-radius:10px;padding:.45rem 0;min-width:250px;list-style:none;margin:0;box-shadow:0 14px 34px rgba(0,0,0,.5);z-index:70}
li.has-sub:hover>.sub,li.has-sub:focus-within>.sub{display:block}
.sub li{padding:0}
.sub a{display:block;padding:.5rem 1.1rem;font-size:.9rem;white-space:nowrap}
.sub a:hover{background:rgba(201,150,58,.1);color:var(--gold)}
li.has-sub::after{content:'';position:absolute;left:0;right:0;top:100%;height:12px}
@media (max-width:820px){
 .sub{display:block;position:static;background:none;border:0;box-shadow:none;padding:.2rem 0 .4rem 1rem;min-width:0}
 .sub a{padding:.35rem 0;color:rgba(255,255,255,.65)!important;font-size:.9rem}
 .nav-links{max-height:calc(100vh - 66px);overflow:auto}
 .nav-links .caret{display:none}
}

/* ---- dropdown fix: anchor panels to their menu item ---- */
.nav-links>li{position:relative}
.sub{z-index:70;min-width:230px;border-radius:10px;box-shadow:0 14px 34px rgba(0,0,0,.55);padding:.4rem 0;margin:0;list-style:none}
li.has-sub>a{cursor:pointer}
[dir=rtl] .sub{left:auto;right:0}

/* ---- background hardening: never rely on body alone ---- */
html{background:#0F1014;color-scheme:dark}
body{background:#0F1014}