/* fillstash.com — main.css
   medical-clean (skeleton) + paper-card (accent)
   class-prefix: xb-  ·  seed XINH678B9F */

:root{
  --primary:#0a93b0;
  --primary-deep:#077387;
  --accent:#8e3cb2;
  --accent-soft:#f3e7f8;
  --bg:#f5fbfc;
  --surface:#ffffff;
  --paper:#fbf7ef;
  --ink:#0e1c22;
  --muted:#586d75;
  --line:#d9e7eb;
  --line-2:#e7d9c3;
  --ok:#1a8f5e;
  --ring:rgba(10,147,176,.35);
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:26px;
  --shadow:0 1px 2px rgba(14,28,34,.05),0 10px 30px rgba(14,28,34,.06);
  --shadow-paper:3px 3px 0 var(--line-2);
  --ff:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --ff-h:"Plus Jakarta Sans",var(--ff);
  --ff-ar:"Cairo","Noto Kufi Arabic",var(--ff);
  --wrap:1160px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--ff);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body.xb-noscroll{overflow:hidden}
[dir="rtl"] body,[lang="ar"]{font-family:var(--ff-ar)}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--ff-h);line-height:1.18;font-weight:700;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.15rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.1rem)}
h3{font-size:1.25rem}
p{margin:0 0 1rem}
a{color:var(--primary-deep)}
a.xb-link{text-decoration:underline;text-decoration-style:wavy;text-underline-offset:3px;text-decoration-thickness:1px}
a.xb-link:hover{color:var(--accent)}
.xb-wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.xb-narrow{max-width:760px;margin-inline:auto}
.xb-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.xb-mt-2{margin-top:.5rem}.xb-mt-4{margin-top:1rem}.xb-mt-6{margin-top:1.5rem}.xb-mt-8{margin-top:2rem}
.xb-tc{text-align:center}
.xb-muted{color:var(--muted)}
.xb-mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.02em}

/* ---------- skip / noscript ---------- */
.xb-skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--r-sm);z-index:200;transition:top .2s}
.xb-skip:focus{top:12px}
.xb-noscript{background:#fff4d6;color:#5a4a10;text-align:center;padding:8px;font-size:.9rem}

/* ---------- announcement ---------- */
.xb-annc{background:var(--ink);color:#eafaff;font-size:.9rem}
.xb-annc .xb-wrap{display:flex;align-items:center;gap:12px;justify-content:center;min-height:40px;padding-block:6px}
.xb-annc b{color:#7fe4ff}

/* ---------- header (split logo in middle, sticky shrink) ---------- */
.xb-hdr-wrap{position:sticky;top:0;z-index:80}
.xb-hdr{
  background:rgba(255,255,255,.92);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);transition:padding .2s;
}
.xb-hdr .xb-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;min-height:74px;transition:min-height .2s}
.xb-hdr.xb-shrunk .xb-wrap{min-height:60px}
.xb-nav{display:flex;gap:20px;align-items:center}
.xb-nav.xb-nav-r{justify-content:flex-end}
.xb-nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.97rem;padding:6px 2px;position:relative}
.xb-nav a:hover{color:var(--primary-deep)}
.xb-nav a[aria-current="page"]{color:var(--primary-deep)}
.xb-nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px}
.xb-brand{display:flex;flex-direction:column;align-items:center;text-decoration:none;line-height:1}
.xb-brand svg{height:34px;width:auto}
.xb-hdr-actions{display:flex;gap:10px;align-items:center;justify-content:flex-end}
.xb-icon-btn{display:grid;place-items:center;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.xb-icon-btn:hover{border-color:var(--primary);color:var(--primary-deep)}
.xb-hburg{display:none}

/* language dropdown */
.xb-lang{position:relative}
.xb-lang summary{list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);font-size:.9rem;font-weight:600}
.xb-lang summary::-webkit-details-marker{display:none}
.xb-lang-menu{position:absolute;inset-inline-end:0;margin-top:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);min-width:150px;padding:6px;z-index:90}
.xb-lang-menu a{display:block;padding:9px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.92rem}
.xb-lang-menu a:hover{background:var(--bg)}

/* ---------- buttons (NOT pill: soft-rect per §6) ---------- */
.xb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--ff-h);font-weight:700;font-size:1rem;line-height:1;
  padding:14px 22px;border-radius:var(--r-sm);border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;transition:background .15s,color .15s,transform .05s;
  min-height:48px;position:relative;overflow:hidden;
}
.xb-btn:active{transform:translateY(1px)}
.xb-btn--primary{background:var(--primary-deep);color:#fff}
.xb-btn--primary:hover{background:#065f70}
.xb-btn--accent{background:var(--accent);color:#fff}
.xb-btn--accent:hover{background:#78319a}
.xb-btn--outline{background:transparent;color:var(--primary-deep);border-color:var(--primary)}
.xb-btn--outline:hover{background:#e9f6f9}
.xb-btn--full{width:100%}
.xb-btn--lg{padding:16px 28px;font-size:1.08rem}

/* ripple (micro_interactions) */
.xb-btn::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--x,50%) var(--y,50%),rgba(255,255,255,.4),transparent 45%);opacity:0;transition:opacity .4s}
.xb-btn:active::after{opacity:1;transition:none}

/* ---------- hero ---------- */
.xb-hero{padding:56px 0 40px;position:relative;overflow:hidden}
.xb-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.xb-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:#6c2c8a;font-weight:700;font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;padding:6px 14px;border-radius:999px}
.xb-hero h1{margin-top:16px}
.xb-hero-sub{font-size:1.15rem;color:var(--muted);max-width:44ch}
.xb-hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.xb-trust-strip{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:var(--muted);font-size:.9rem}
.xb-trust-strip span{display:inline-flex;align-items:center;gap:7px}
.xb-trust-strip svg{width:18px;height:18px;color:var(--primary)}

/* paper-card side panel */
.xb-panel{
  background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-xl);
  box-shadow:var(--shadow-paper);padding:28px;position:relative;
}
.xb-panel::before{content:attr(data-tag);position:absolute;top:-13px;inset-inline-start:24px;background:var(--accent);color:#fff;font-family:var(--ff-h);font-weight:700;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.xb-need{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:14px}
.xb-need li{display:flex;gap:12px;align-items:flex-start}
.xb-need b.xb-num{flex:0 0 30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-family:var(--ff-h);font-size:.9rem}

/* ---------- sections ---------- */
.xb-sec{padding:52px 0}
.xb-sec--alt{background:var(--surface);border-block:1px solid var(--line)}
.xb-sec-head{max-width:620px;margin-bottom:28px}
.xb-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.xb-c-6{grid-column:span 6}.xb-c-4{grid-column:span 4}.xb-c-3{grid-column:span 3}

.xb-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;height:100%}
.xb-card--paper{background:var(--paper);border-color:var(--line-2);box-shadow:var(--shadow-paper)}
.xb-card h3{margin-top:8px}
.xb-card .xb-ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.xb-card .xb-ic svg{width:24px;height:24px}

/* price-tag badge (paper-card accent) */
.xb-tag{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;font-weight:700;font-size:.85rem;padding:5px 12px 5px 10px;border-radius:6px 12px 12px 6px;position:relative}
.xb-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;opacity:.85}

/* use-cases list (roman numbered) */
.xb-uses{list-style:none;counter-reset:rc;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
.xb-uses li{counter-increment:rc;display:flex;gap:12px;align-items:baseline}
.xb-uses li::before{content:counter(rc,upper-roman);font-family:var(--ff-h);font-weight:700;color:var(--accent);min-width:34px}

/* comparison vs legacy */
.xb-vs{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.xb-vs>div{padding:22px 24px}
.xb-vs .xb-vs-old{background:var(--bg)}
.xb-vs .xb-vs-new{background:var(--paper);border-inline-start:1px solid var(--line-2)}
.xb-vs h3{font-size:1.05rem}
.xb-vs ul{margin:0;padding-inline-start:18px}
.xb-vs li{margin-bottom:8px;color:var(--muted)}
.xb-vs-new li{color:var(--ink)}

/* ---------- forms ---------- */
.xb-form{display:flex;flex-direction:column;gap:18px}
.xb-field{display:flex;flex-direction:column;gap:6px}
.xb-field label{font-weight:600;font-size:.95rem}
.xb-input,.xb-select,textarea.xb-input{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);font:inherit;color:var(--ink);transition:border-color .15s,box-shadow .15s;
}
.xb-input:focus,.xb-select:focus,textarea.xb-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}
.xb-input[aria-invalid="true"]{border-color:#d34}
.xb-hint{font-size:.82rem;color:var(--muted)}
.xb-err{font-size:.82rem;color:#c0392b;min-height:1em}
.xb-phone{display:flex}
.xb-phone .xb-cc{display:flex;align-items:center;padding:0 12px;border:1.5px solid var(--line);border-inline-end:0;border-radius:var(--r-sm) 0 0 var(--r-sm);background:var(--bg);font-weight:600;color:var(--muted)}
[dir="rtl"] .xb-phone .xb-cc{border-radius:0 var(--r-sm) var(--r-sm) 0;border-inline-end:1.5px solid var(--line);border-inline-start:0}
.xb-phone .xb-input{border-radius:0 var(--r-sm) var(--r-sm) 0}
[dir="rtl"] .xb-phone .xb-input{border-radius:var(--r-sm) 0 0 var(--r-sm)}

/* preset amount chips (visible selected state) */
.xb-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.xb-chip{position:relative}
.xb-chip input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.xb-chip span{
  display:flex;align-items:center;justify-content:center;min-height:52px;padding:0 8px;
  border:1.5px solid var(--line);border-radius:var(--r-sm);background:var(--surface);
  font-family:var(--ff-h);font-weight:700;font-size:1.05rem;transition:.12s;cursor:pointer;
}
.xb-chip input:hover+span{border-color:var(--primary)}
.xb-chip input:checked+span,.xb-chip.is-on span{background:var(--primary-deep);border-color:var(--primary-deep);color:#fff}
.xb-chip input:focus-visible+span{box-shadow:0 0 0 4px var(--ring)}

/* honeypot + captcha */
.xb-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.xb-cap{display:flex;align-items:center;gap:10px;background:var(--bg);border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 14px}
.xb-cap input{width:20px;height:20px;accent-color:var(--primary-deep)}

/* inline toast/success */
.xb-toast{background:#e9f8f0;border:1px solid #bfe6d2;color:#12694a;border-radius:var(--r-md);padding:16px 18px}

/* ---------- FAQ ---------- */
.xb-faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden}
.xb-faq summary{list-style:none;cursor:pointer;padding:18px 20px;font-family:var(--ff-h);font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center}
.xb-faq summary::-webkit-details-marker{display:none}
.xb-faq summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}
.xb-faq details[open] summary::after{content:"–"}
.xb-faq details>div{padding:0 20px 18px;color:var(--muted)}

/* ---------- breadcrumbs (colored chips) ---------- */
.xb-bc{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:16px 0 0;margin:0;font-size:.85rem}
.xb-bc li a,.xb-bc li span{display:inline-block;background:var(--accent-soft);color:#6c2c8a;padding:4px 12px;border-radius:999px;text-decoration:none}
.xb-bc li span{background:var(--bg);color:var(--muted)}

/* ---------- contact cards ---------- */
.xb-contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.xb-ct{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px}
.xb-ct .xb-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--ff-h);font-weight:700;font-size:.85rem;margin-bottom:8px}

/* ---------- callout / quote ---------- */
.xb-callout{border-inline-start:4px solid var(--accent);background:var(--paper);border-radius:0 var(--r-md) var(--r-md) 0;padding:16px 20px;margin:0}
[dir="rtl"] .xb-callout{border-radius:var(--r-md) 0 0 var(--r-md)}

/* dropcap */
.xb-dropcap::first-letter{font-family:var(--ff-h);font-weight:700;font-size:3.4em;float:inline-start;line-height:.8;padding-inline-end:10px;color:var(--accent)}
[dir="rtl"] .xb-dropcap::first-letter{float:right}

/* ---------- footer ---------- */
.xb-ftr{background:var(--ink);color:#c9dde3;margin-top:20px}
.xb-ftr .xb-wrap{padding-block:44px 28px}
.xb-ftr-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.xb-ftr h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.05em}
.xb-ftr a{color:#c9dde3;text-decoration:none;font-size:.92rem}
.xb-ftr a:hover{color:#fff}
.xb-ftr ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.xb-ftr-news input{width:100%;padding:11px 12px;border-radius:var(--r-sm);border:1px solid #2b4048;background:#12262d;color:#fff}
.xb-ftr-brand svg{height:40px}
.xb-ftr-bottom{border-top:1px solid #23383f;margin-top:28px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#8fa9b1}
.xb-flag{display:inline-flex;align-items:center;gap:8px}
.xb-flag svg{width:22px;height:15px;border-radius:2px}

/* ---------- floating ---------- */
.xb-wa{position:fixed;inset-block-end:22px;inset-inline-end:22px;z-index:70;display:inline-flex;align-items:center;gap:8px;background:#1eb15a;color:#fff;font-weight:700;padding:12px 16px;border-radius:999px;text-decoration:none;box-shadow:var(--shadow)}
.xb-wa svg{width:22px;height:22px}
.xb-top{position:fixed;inset-block-end:22px;inset-inline-start:22px;z-index:70;width:14px;height:14px;border-radius:50%;background:var(--accent);border:0;cursor:pointer;opacity:0;transform:scale(.6);transition:.2s}
.xb-top.xb-vis{opacity:1;transform:scale(1)}
.xb-top:hover{box-shadow:0 0 0 6px var(--accent-soft)}

/* scroll progress thread (vertical) */
.xb-thread{position:fixed;inset-block:0;inset-inline-start:0;width:3px;z-index:75;background:transparent}
.xb-thread::after{content:"";position:absolute;inset-block-start:0;inset-inline:0;height:var(--p,0%);background:linear-gradient(var(--primary),var(--accent))}

/* ---------- mobile drawer (CSS-driven: visibility+opacity+transform) ---------- */
.xb-drawer-backdrop{
  position:fixed;inset:0;z-index:110;background:rgba(6,20,26,.5);
  visibility:hidden;opacity:0;transition:opacity .28s ease,visibility 0s linear .28s;
}
.xb-drawer{
  position:fixed;inset-block:0;inset-inline-end:0;z-index:120;width:min(86vw,340px);
  background:var(--surface);border-inline-start:1px solid var(--line);
  padding:24px;overflow-y:auto;
  visibility:hidden;opacity:0;transform:translateX(24px);
  transition:opacity .28s ease,transform .28s ease,visibility 0s linear .28s;
}
[dir="rtl"] .xb-drawer{transform:translateX(-24px)}
body.xb-drawer-open .xb-drawer-backdrop{visibility:visible;opacity:1;transition:opacity .28s ease}
body.xb-drawer-open .xb-drawer{visibility:visible;opacity:1;transform:none;transition:opacity .28s ease,transform .28s ease}
.xb-drawer nav{display:flex;flex-direction:column;gap:4px;margin-top:20px}
.xb-drawer nav a{padding:12px 10px;border-radius:var(--r-sm);text-decoration:none;color:var(--ink);font-weight:600;border-bottom:1px solid var(--line)}
.xb-drawer nav a:hover{background:var(--bg)}
.xb-drawer-close{background:none;border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 14px;cursor:pointer;font-weight:600}

/* ---------- redirect overlay (spinner only) ---------- */
.xb-redirect{position:fixed;inset:0;z-index:300;background:rgba(245,251,252,.96);display:none;place-items:center}
.xb-redirect.xb-on{display:grid}
.xb-spin{width:52px;height:52px;border-radius:50%;border:5px solid var(--line);border-top-color:var(--primary);animation:xb-rot .8s linear infinite}
@keyframes xb-rot{to{transform:rotate(360deg)}}

/* confetti */
.xb-conf{position:fixed;inset:0;pointer-events:none;z-index:250;overflow:hidden}
.xb-conf i{position:absolute;top:-10px;width:9px;height:14px;opacity:.9;animation:xb-fall linear forwards}
@keyframes xb-fall{to{transform:translateY(105vh) rotate(540deg)}}

/* newsprint grain (subtle, paper accent) */
.xb-grain{position:relative}
.xb-grain::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .xb-hero-grid{grid-template-columns:1fr;gap:28px}
  .xb-ftr-top{grid-template-columns:1fr 1fr}
  .xb-c-6,.xb-c-4,.xb-c-3{grid-column:span 6}
  .xb-vs{grid-template-columns:1fr}
  .xb-vs .xb-vs-new{border-inline-start:0;border-top:1px solid var(--line-2)}
  .xb-uses{grid-template-columns:1fr}
  .xb-nav{display:none}
  .xb-hburg{display:grid}
  .xb-hdr .xb-wrap{grid-template-columns:auto 1fr auto}
  .xb-brand{align-items:flex-start}
}
@media(max-width:560px){
  body{font-size:16px}
  .xb-contact-grid{grid-template-columns:1fr}
  .xb-ftr-top{grid-template-columns:1fr}
  .xb-c-6,.xb-c-4,.xb-c-3{grid-column:span 12}
  .xb-hero{padding-top:36px}
  .xb-wa span{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto}
}
@media print{.xb-hdr-wrap,.xb-wa,.xb-top,.xb-thread,.xb-drawer,.xb-drawer-backdrop{display:none}}