/* Nabr Systems - shared styles (index, bookacall, legal pages)
   Tokens, fonts and the 4-part logo animation are carried over from the previous site. */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#ffffff; --bg-soft:#fafbff; --bg-alt:#f4f6fc; --bg-dark:#06070a; --bg-deep:#0a0b11;
  --text:#0b0d14; --text-2:#3a3f52; --text-3:#5f6578; --text-muted:#6b7186;
  --accent:#2E5BFF; --accent-2:#1B3BCC; --accent-tint:#7C9DFF;
  --accent-bg:rgba(46,91,255,0.06); --accent-line:rgba(46,91,255,0.16);
  --grad-primary:linear-gradient(135deg,#2E5BFF 0%,#1B3BCC 100%);
  --green:#10b981; --green-ink:#047857; --green-bg:rgba(16,185,129,0.09);
  --amber-ink:#92400e; --amber-bg:rgba(245,158,11,0.1);
  --border:#e5e8ef; --border-soft:#eef0f5; --border-light:#f3f4f8;
  --shadow-sm:0 1px 2px rgba(14,18,30,0.04);
  --shadow:0 2px 8px rgba(14,18,30,0.05),0 1px 3px rgba(14,18,30,0.03);
  --shadow-md:0 8px 24px rgba(14,18,30,0.06),0 2px 8px rgba(14,18,30,0.04);
  --shadow-lg:0 24px 64px rgba(14,18,30,0.09),0 4px 16px rgba(14,18,30,0.04);
  --radius:12px; --radius-lg:18px; --radius-xl:26px; --pill:9999px;
  --wrap:1180px; --wrap-narrow:780px;
  --ease:cubic-bezier(0.16,1,0.3,1);
  --ease-out:cubic-bezier(0.22,1,0.36,1);
  --font:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Instrument Serif',Georgia,serif;
  --gutter:32px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
html.lenis{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{font-family:var(--font);font-size:16px;line-height:1.65;color:var(--text-2);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:clip}
::selection{background:rgba(46,91,255,0.2)}
img{max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:12px;top:-60px;z-index:1000;background:var(--text);color:#fff;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:600}
.skip:focus{top:12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-0.01em;padding:0 .06em}
.grad{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
html[lang="ar"] .grad{padding-bottom:.18em;margin-bottom:-.18em;-webkit-box-decoration-break:clone;box-decoration-break:clone}

/* ── Logo animation (retained) ── */
.logo-part{transform-box:fill-box;transform-origin:center}
#pg-loader{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:opacity .5s var(--ease),visibility .5s}
#pg-loader.done{opacity:0;visibility:hidden;pointer-events:none}
.loader-logo{width:96px;height:96px}
#pg-loader .lp-tl{animation:lp-tl 1.1s var(--ease-out) .05s both}
#pg-loader .lp-tr{animation:lp-tr 1.1s var(--ease-out) .05s both}
#pg-loader .lp-br{animation:lp-br 1.1s var(--ease-out) .05s both}
#pg-loader .lp-bl{animation:lp-bl 1.1s var(--ease-out) .05s both}
@keyframes lp-tl{0%{transform:translate(0,0)}38%{transform:translate(-22px,-22px) rotate(-8deg)}72%{transform:translate(1.5px,1.5px)}100%{transform:translate(0,0)}}
@keyframes lp-tr{0%{transform:translate(0,0)}38%{transform:translate(22px,-22px) rotate(8deg)}72%{transform:translate(-1.5px,1.5px)}100%{transform:translate(0,0)}}
@keyframes lp-br{0%{transform:translate(0,0)}38%{transform:translate(22px,22px) rotate(-8deg)}72%{transform:translate(-1.5px,-1.5px)}100%{transform:translate(0,0)}}
@keyframes lp-bl{0%{transform:translate(0,0)}38%{transform:translate(-22px,22px) rotate(8deg)}72%{transform:translate(1.5px,-1.5px)}100%{transform:translate(0,0)}}
.brand:hover .lp-tl{animation:lp-tl-s .9s var(--ease-out)}
.brand:hover .lp-tr{animation:lp-tr-s .9s var(--ease-out)}
.brand:hover .lp-br{animation:lp-br-s .9s var(--ease-out)}
.brand:hover .lp-bl{animation:lp-bl-s .9s var(--ease-out)}
@keyframes lp-tl-s{40%{transform:translate(-4px,-4px)}}
@keyframes lp-tr-s{40%{transform:translate(4px,-4px)}}
@keyframes lp-br-s{40%{transform:translate(4px,4px)}}
@keyframes lp-bl-s{40%{transform:translate(-4px,4px)}}

/* ── Brand lockup ── */
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);direction:ltr}
.brand svg{width:30px;height:30px;flex-shrink:0}
.brand-name{font-size:21px;font-weight:900;letter-spacing:-0.02em;line-height:1}
.brand-name small{font-size:12px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-muted);margin-inline-start:7px;vertical-align:2px}

/* ── Nav (pill, retained) ── */
.nav-outer{position:fixed;top:0;left:0;right:0;z-index:500;padding:calc(14px + env(safe-area-inset-top,0px)) 20px 14px;transition:background .4s var(--ease),padding .3s var(--ease)}
.nav-outer.scrolled{background:rgba(255,255,255,0.8);backdrop-filter:blur(20px) saturate(170%);-webkit-backdrop-filter:blur(20px) saturate(170%);box-shadow:0 1px 0 rgba(14,18,30,0.06);padding-block:calc(9px + env(safe-area-inset-top,0px)) 9px}
.nav{position:relative;max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:8px;padding-inline:20px 8px;background:var(--bg);border:1px solid var(--border);border-radius:var(--pill);box-shadow:var(--shadow)}
.nav-links{display:flex;gap:2px;position:absolute;left:50%;transform:translateX(-50%)}
.nav-link{padding:8px 14px;font-size:14px;font-weight:500;color:var(--text-3);text-decoration:none;border-radius:var(--pill);transition:color .2s,background .2s}
.nav-link:hover{color:var(--text);background:var(--bg-alt)}
.nav-right{display:flex;align-items:center;gap:6px}
.nav-ghost{padding:9px 14px;font-size:14px;font-weight:600;color:var(--text-2);text-decoration:none;border-radius:var(--pill)}
.nav-ghost:hover{background:var(--bg-alt)}
.lang-switch{padding:8px 12px;font-size:13.5px;font-weight:600;color:var(--text-2);text-decoration:none;border:1px solid var(--border);border-radius:var(--pill);line-height:1;transition:border-color .2s,color .2s}
.lang-switch:hover{border-color:var(--accent);color:var(--accent)}
.lang-switch[lang="ar"]{font-family:'IBM Plex Sans Arabic',var(--font)}
.nav-hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:10px;border-radius:10px}
.nav-hamburger span{display:block;width:18px;height:1.5px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.mobile-panel{position:fixed;top:calc(76px + env(safe-area-inset-top,0px));left:16px;right:16px;background:var(--bg);border:1px solid var(--border);border-radius:18px;padding:12px;box-shadow:var(--shadow-lg);z-index:499;display:flex;flex-direction:column;gap:2px}
.mobile-panel[hidden]{display:none}
.mobile-panel a{padding:13px 14px;font-size:15.5px;font-weight:500;color:var(--text-2);text-decoration:none;border-radius:10px}
.mobile-panel a:hover{background:var(--bg-alt)}
.mobile-panel .btn{margin-top:8px;justify-content:center;color:#fff}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;font-family:inherit;font-size:15px;font-weight:600;line-height:1.2;color:#fff;background:var(--text);border:1px solid var(--text);border-radius:var(--pill);text-decoration:none;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,border-color .2s,color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(11,13,20,0.22)}
.btn:active{transform:translateY(0)}
.btn svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-ghost{color:var(--text);background:transparent;border-color:var(--border)}
.btn-ghost:hover{background:var(--bg);border-color:#cfd4e0;box-shadow:var(--shadow-md)}
.btn-light{background:#fff;color:var(--text);border-color:#fff}
.btn-light:hover{box-shadow:0 12px 30px rgba(0,0,0,0.35)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--accent);text-decoration:none;font-size:15px}
.text-link svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ── Section scaffolding ── */
.section{padding-block:120px;position:relative}
.section-soft{background:var(--bg-soft);border-block:1px solid var(--border-light)}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.kicker .num{font-variant-numeric:tabular-nums;color:var(--text-muted);font-weight:600}
.kicker .rule{width:22px;height:1px;background:currentColor;opacity:.5}
.h2{font-size:clamp(32px,4.2vw,54px);font-weight:600;letter-spacing:-0.035em;line-height:1.06;color:var(--text);max-width:860px;text-wrap:balance}
.lede{font-size:clamp(16.5px,1.5vw,18.5px);color:var(--text-3);line-height:1.7;max-width:620px;margin-top:20px;text-wrap:pretty}
.center{text-align:center}
.center .h2,.center .lede{margin-inline:auto}

/* ── Reveal ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.rd1{transition-delay:.08s}.rd2{transition-delay:.16s}.rd3{transition-delay:.24s}.rd4{transition-delay:.32s}

/* ── Footer ── */
.footer{background:#05060a;color:rgba(255,255,255,0.82);padding:72px var(--gutter) calc(30px + env(safe-area-inset-bottom,0px))}
.footer-grid{max-width:calc(var(--wrap) - 2*var(--gutter));margin:0 auto;display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer .brand{display:inline-flex;padding:0;opacity:1;color:#fff;margin-bottom:16px}
.footer .brand-name small{color:rgba(255,255,255,0.6)}
.footer-tag{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,0.62);max-width:300px}
.footer h3{font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.footer-col a{display:block;padding:5px 0;font-size:14.5px;color:rgba(255,255,255,0.72);text-decoration:none;transition:color .2s}
.footer-col a:hover{color:#fff}
.socials{display:flex;gap:10px;margin-top:14px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;border-radius:50%;border:1px solid rgba(255,255,255,0.14);color:rgba(255,255,255,0.75);transition:all .2s}
.socials a:hover{color:#fff;border-color:rgba(255,255,255,0.4);background:rgba(255,255,255,0.06)}
.socials svg{width:16px;height:16px}
.footer-legal{max-width:calc(var(--wrap) - 2*var(--gutter));margin:0 auto;padding-top:26px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,0.6)}
.footer-legal p{max-width:640px}
.footer-legal nav{display:flex;gap:18px}
.footer-legal a{color:rgba(255,255,255,0.6);text-decoration:none}
.footer-legal a:hover{color:#fff}

/* ── Legal / simple pages ── */
.page-head{padding:150px var(--gutter) 40px;max-width:var(--wrap-narrow);margin:0 auto}
.page-head h1{font-size:clamp(34px,5vw,52px);font-weight:600;letter-spacing:-0.035em;line-height:1.08;color:var(--text)}
.page-head p{color:var(--text-3);margin-top:12px}
.prose{max-width:var(--wrap-narrow);margin:0 auto;padding:0 var(--gutter) 100px;font-size:16px;color:var(--text-2)}
.prose h2{font-size:21px;font-weight:600;letter-spacing:-0.02em;color:var(--text);margin:38px 0 10px}
.prose p,.prose li{line-height:1.75;margin-bottom:12px}
.prose ul{padding-inline-start:22px}
.prose a{color:var(--accent)}
.notice{background:var(--amber-bg);border:1px solid rgba(245,158,11,0.3);color:var(--amber-ink);border-radius:12px;padding:14px 16px;font-size:14px;margin-bottom:28px}

/* ── Arabic / RTL ── */
html[lang="ar"] body{font-family:'IBM Plex Sans Arabic',var(--font)}
html[lang="ar"] .serif{font-family:inherit;font-style:normal;font-weight:700;letter-spacing:0;padding:0}
html[lang="ar"] :is(h1,h2,h3,h4,.h2,.kicker,.status,.examples span,.footer h3,.stage h4,.scr-head,.tag,.b-ai::before){letter-spacing:0!important;text-transform:none}
html[lang="ar"] :is(h1,.h2){line-height:1.3!important}
html[lang="ar"] :is(h3){line-height:1.45}
html[lang="ar"] .lede,html[lang="ar"] p,html[lang="ar"] li{line-height:1.85}
html[lang="ar"] .brand-name,html[lang="ar"] .brand-name small{font-family:var(--font)}
[dir="rtl"] .btn svg,[dir="rtl"] .text-link svg{transform:scaleX(-1)}
[dir="rtl"] .btn:hover svg,[dir="rtl"] .text-link:hover svg{transform:scaleX(-1) translateX(3px)}
[dir="rtl"] .nav-links{transform:translateX(50%);left:auto;right:50%}

@media(max-width:1000px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:860px){
  .nav-links,.nav-ghost{display:none}
  .nav-hamburger{display:flex}
  .nav{padding-inline-start:16px}
}
@media(max-width:600px){
  :root{--gutter:20px}
  .section{padding-block:80px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .nav-right .btn-sm{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}