/* ==========================================================================
   Yanabee («ينابيع») — "Spring water" design system
   Deep water ink, spring teal and aqua, with the document's warm orange and
   leaf-green accents, plus one colour per team (--t1 … --t7).
   Contract (names stay, values may change): see docs/YANABEE.md.
   ========================================================================== */
:root{
  color-scheme:light;
  --bg:#f3f8f7;--bg-2:#e7f1ef;--surface:#ffffff;--surface-2:#f0f7f5;--surface-3:#e1eeeb;
  --ink:#0c2230;--ink-2:#284352;--muted:#55707d;--line:#d6e5e2;--line-2:#bfd4d0;
  --brand:#0a7680;--brand-2:#075a62;--on-brand:#ffffff;--head:#072433;
  --accent:#12a8a4;--sky:#2c63d6;--sun:#d9762a;--leaf:#2f9157;
  --t1:#0e8a62;--t2:#b0651a;--t3:#cf4330;--t4:#3b5bdb;--t5:#4a8f1f;--t6:#8743c0;--t7:#c03668;
  --grad:linear-gradient(135deg,#13b5ad 0%,#0f8fb0 45%,#2c63d6 100%);
  --grad-soft:linear-gradient(135deg,rgba(19,181,173,.14),rgba(44,99,214,.12));
  --glass:rgba(255,255,255,.74);--glass-line:rgba(12,34,48,.09);
  --hero-1:#d5f1ec;--hero-2:#dbe7fb;--hero-3:#fbe9d6;
  --shadow-sm:0 1px 2px rgba(7,36,51,.06),0 2px 8px rgba(7,36,51,.05);
  --shadow:0 14px 34px -16px rgba(7,36,51,.25),0 2px 6px rgba(7,36,51,.04);
  --shadow-lg:0 40px 80px -32px rgba(7,36,51,.42);
  --r:22px;--r-sm:14px;--r-lg:32px;
  --font:'IBM Plex Sans Arabic',system-ui,-apple-system,'Segoe UI',Tahoma,sans-serif;
  --font-h:'Readex Pro','IBM Plex Sans Arabic',system-ui,sans-serif;
  --font-q:Amiri,'Traditional Arabic','Times New Roman',serif;
  --ease:cubic-bezier(.22,.8,.24,1);
  --nav-h:66px;--tab-h:0px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  color-scheme:dark;
  --bg:#04131a;--bg-2:#071b23;--surface:#0a1f28;--surface-2:#0e2832;--surface-3:#13333e;
  --ink:#e2f1f0;--ink-2:#bad2d3;--muted:#86a2a8;--line:#15323c;--line-2:#20454f;
  --brand:#45d0c3;--brand-2:#8ae4da;--on-brand:#03171c;--head:#f0fbfa;
  --accent:#3ee0d1;--sky:#7ea7ff;--sun:#f4a25c;--leaf:#6fd08f;
  --t1:#46d39c;--t2:#f0a95a;--t3:#ff8d75;--t4:#91a8ff;--t5:#9bd66b;--t6:#cb9cf3;--t7:#f388b2;
  --grad:linear-gradient(135deg,#2fd8c9 0%,#1aa6c4 45%,#5b86f0 100%);
  --grad-soft:linear-gradient(135deg,rgba(47,216,201,.12),rgba(91,134,240,.12));
  --glass:rgba(6,24,31,.74);--glass-line:rgba(255,255,255,.08);
  --hero-1:#06302f;--hero-2:#0c2246;--hero-3:#2a1d10;
  --shadow-sm:0 1px 2px rgba(0,0,0,.45);
  --shadow:0 14px 34px -14px rgba(0,0,0,.65);
  --shadow-lg:0 40px 80px -30px rgba(0,0,0,.8);
}}
:root[data-theme=dark]{
  color-scheme:dark;
  --bg:#04131a;--bg-2:#071b23;--surface:#0a1f28;--surface-2:#0e2832;--surface-3:#13333e;
  --ink:#e2f1f0;--ink-2:#bad2d3;--muted:#86a2a8;--line:#15323c;--line-2:#20454f;
  --brand:#45d0c3;--brand-2:#8ae4da;--on-brand:#03171c;--head:#f0fbfa;
  --accent:#3ee0d1;--sky:#7ea7ff;--sun:#f4a25c;--leaf:#6fd08f;
  --t1:#46d39c;--t2:#f0a95a;--t3:#ff8d75;--t4:#91a8ff;--t5:#9bd66b;--t6:#cb9cf3;--t7:#f388b2;
  --grad:linear-gradient(135deg,#2fd8c9 0%,#1aa6c4 45%,#5b86f0 100%);
  --grad-soft:linear-gradient(135deg,rgba(47,216,201,.12),rgba(91,134,240,.12));
  --glass:rgba(6,24,31,.74);--glass-line:rgba(255,255,255,.08);
  --hero-1:#06302f;--hero-2:#0c2246;--hero-3:#2a1d10;
  --shadow-sm:0 1px 2px rgba(0,0,0,.45);
  --shadow:0 14px 34px -14px rgba(0,0,0,.65);
  --shadow-lg:0 40px 80px -30px rgba(0,0,0,.8);
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.9;font-size:17px;overflow-x:clip;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .4s,color .4s;
  padding-bottom:var(--tab-h)}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--font-h);color:var(--head);line-height:1.35;font-weight:700;text-wrap:balance}
bdi[lang=en]{font-family:'Readex Pro',var(--font);font-weight:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:8px}
::selection{background:var(--accent);color:#04131a}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.center{text-align:center}
.muted{color:var(--muted)}
.i{width:20px;height:20px;flex:none}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;top:-60px;inset-inline-start:12px;z-index:300;background:var(--brand);color:var(--on-brand);padding:8px 16px;border-radius:10px;text-decoration:none;transition:top .2s}
.skip:focus-visible{top:12px}
@media(prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root){animation:vt-out .2s ease both}
  ::view-transition-new(root){animation:vt-in .34s var(--ease) both}
}
@keyframes vt-out{to{opacity:0;transform:translateY(-6px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(10px)}}
.nav{view-transition-name:nav}.tabbar{view-transition-name:tabbar}

/* reveal on scroll (only when JS is running) */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}

/* ---------- buttons, chips ---------- */
.btns{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btns.center{justify-content:center}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:999px;font-weight:600;font-family:var(--font-h);
  text-decoration:none;font-size:1rem;line-height:1.4;border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s,background-color .25s,color .25s;min-height:48px}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -12px rgba(16,143,176,.7)}
[data-theme=dark] .btn-primary{color:#03171c}
.btn-primary:hover{box-shadow:0 18px 32px -12px rgba(16,143,176,.8)}
.btn-ghost{background:var(--glass);border-color:var(--line-2);color:var(--head);backdrop-filter:blur(10px)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-soft{background:color-mix(in oklab,var(--brand) 12%,transparent);color:var(--brand)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:.92rem;font-weight:500;text-decoration:none;
  background:var(--glass);border:1px solid var(--line);color:var(--ink-2);transition:border-color .2s,color .2s,background-color .2s,transform .2s}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;font-size:.85rem;font-weight:600;
  background:color-mix(in oklab,var(--sc,var(--brand)) 13%,transparent);color:var(--sc,var(--brand))}
.tag .i{width:16px;height:16px}

/* ---------- sections ---------- */
.sec{padding-block:clamp(64px,9vw,112px);position:relative;--sc:var(--brand)}
.sec.alt{background:var(--bg-2)}
.sec.band{background:linear-gradient(180deg,var(--bg) 0,var(--bg-2) 18%,var(--bg-2) 82%,var(--bg) 100%)}
.sec-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:clamp(28px,4vw,44px);max-width:860px}
.sec-head h2{font-size:clamp(1.65rem,3.2vw,2.5rem);font-weight:700;margin-top:6px}
.sec-sub{color:var(--muted);font-size:1.08rem;margin-top:8px;max-width:760px}
.sec-num{font-family:var(--font-h);font-weight:700;font-size:clamp(2.6rem,6vw,4.2rem);line-height:1;color:transparent;
  -webkit-text-stroke:1.5px color-mix(in oklab,var(--sc) 70%,transparent);min-width:1.2em}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:600;font-size:.95rem;color:color-mix(in oklab,var(--sc) 70%,var(--ink));
  background:color-mix(in oklab,var(--sc) 11%,transparent);padding:4px 14px 4px 12px;border-radius:14px;text-wrap:balance;line-height:1.6}
.kicker .i{width:18px;height:18px}
.lead{font-size:clamp(1.08rem,1.6vw,1.22rem);color:var(--ink-2);max-width:820px;margin-bottom:28px}

/* ---------- cards ---------- */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.4vw,28px);
  box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),translate .35s var(--ease),box-shadow .35s,border-color .35s}
.card:hover{box-shadow:var(--shadow);border-color:var(--line-2)}
a.card{text-decoration:none;display:block}
a.card:hover{translate:0 -4px}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--ink-2)}
.card .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:color-mix(in oklab,var(--sc,var(--brand)) 13%,transparent);color:var(--sc,var(--brand))}
.card .ic .i{width:24px;height:24px}

/* ---------- lists ---------- */
.list{display:grid;gap:14px}
.list>li{position:relative;padding-inline-start:30px}
.list>li::before{content:"";position:absolute;inset-inline-start:4px;top:.72em;width:12px;height:12px;border-radius:50% 50% 50% 0;
  transform:rotate(-45deg);background:var(--sc,var(--brand));opacity:.9}
.list .lbl{display:block;font-family:var(--font-h);font-weight:600;color:var(--head);font-size:1.04rem;margin-bottom:2px}
.list .body{color:var(--ink-2)}
.sublist{display:grid;gap:10px;margin-top:12px;padding:14px 16px;border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--line)}
.sublist>li{position:relative;padding-inline-start:22px}
.sublist>li::before{content:"";position:absolute;inset-inline-start:2px;top:.8em;width:9px;height:2px;border-radius:2px;background:var(--sc,var(--brand))}
.sublist .lbl{display:inline;font-weight:600;color:var(--head)}
.sublist .lbl::after{content:": "}

/* ---------- table (cards on phones) ---------- */
.tbl-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-sm)}
.tbl{width:100%;border-collapse:collapse;font-size:1rem}
.tbl th,.tbl td{padding:16px 20px;text-align:start;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{font-family:var(--font-h);font-weight:600;color:var(--on-brand);background:var(--brand);border-bottom:0}
[data-theme=dark] .tbl thead th{background:color-mix(in oklab,var(--brand) 26%,var(--surface));color:var(--head)}
.tbl tbody th{font-family:var(--font-h);font-weight:600;color:var(--head);background:var(--surface-2);width:24%}
.tbl tbody tr:last-child>*{border-bottom:0}
.tbl tbody tr{transition:background-color .2s}
.tbl tbody tr:hover td{background:color-mix(in oklab,var(--brand) 5%,transparent)}
@media(max-width:760px){
  .tbl thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .tbl,.tbl tbody,.tbl tr,.tbl th,.tbl td{display:block;width:100%}
  .tbl tr{padding:6px 0;border-bottom:1px solid var(--line)}
  .tbl tbody tr:last-child{border-bottom:0}
  .tbl tbody th,.tbl td{border:0;padding:8px 18px;background:none}
  .tbl tbody th{font-size:1.08rem;color:var(--brand);width:auto}
  .tbl td::before{content:attr(data-th);display:block;font-size:.82rem;font-weight:600;color:var(--muted);font-family:var(--font-h)}
}

/* ---------- quotations ---------- */
.verse{font-family:var(--font-q);font-size:clamp(1.45rem,2.6vw,1.95rem);line-height:2.15;color:var(--head);text-align:center;font-weight:400}
.hadith{font-family:var(--font-q);font-size:clamp(1.25rem,2.1vw,1.55rem);line-height:2.1;color:var(--head);text-align:center}

/* ---------- stats & rings ---------- */
.stat{display:flex;flex-direction:column;gap:2px}
.stat b{font-family:var(--font-h);font-size:clamp(2rem,4.4vw,3rem);font-weight:700;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.95rem}
@property --p{syntax:'<number>';inherits:true;initial-value:0}
.ring{--p:var(--v,0);--rc:var(--brand);transition:--p 1.4s var(--ease);width:var(--rs,120px);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;position:relative;
  background:conic-gradient(var(--rc) calc(var(--p)*1%),color-mix(in oklab,var(--rc) 14%,transparent) 0)}
.ring::before{content:"";position:absolute;inset:var(--rw,11px);border-radius:50%;background:var(--surface)}
.ring>*{position:relative;font-family:var(--font-h);font-weight:700;color:var(--head)}
.js [data-ring]:not(.in){--p:0}
/* deep-link highlight (main.js adds .flash to the #target) */
.flash{animation:flash 1.8s var(--ease)}
@keyframes flash{0%,30%{box-shadow:0 0 0 4px color-mix(in oklab,var(--accent) 55%,transparent)}100%{box-shadow:0 0 0 4px transparent}}

/* ---------- hero (inner pages; home has its own in home.css) ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--bg-2),var(--bg));-webkit-mask-image:linear-gradient(#000 62%,transparent);mask-image:linear-gradient(#000 62%,transparent)}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.75}
.blob.b1{width:520px;height:520px;background:var(--hero-1);inset-inline-start:-140px;top:-160px}
.blob.b2{width:460px;height:460px;background:var(--hero-2);inset-inline-end:-120px;top:-60px}
.blob.b3{width:360px;height:360px;background:var(--hero-3);inset-inline-start:40%;bottom:-200px;opacity:.55}
@media(prefers-reduced-motion:no-preference){
  .blob{animation:drift 18s ease-in-out infinite alternate}
  .blob.b2{animation-duration:22s;animation-delay:-6s}
  .blob.b3{animation-duration:26s;animation-delay:-12s}
}
@keyframes drift{to{transform:translate(40px,30px) scale(1.08)}}
.hero-page{padding:calc(var(--nav-h) + clamp(48px,7vw,88px)) 0 clamp(44px,6vw,72px)}
.hero-grid{display:grid;gap:32px;align-items:center}
.hero-page .hero-grid{grid-template-columns:minmax(0,1fr)}
.hero-page.has-visual .hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr)}
@media(max-width:900px){.hero-page.has-visual .hero-grid{grid-template-columns:1fr}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:500;font-size:.95rem;color:var(--brand);
  background:var(--glass);border:1px solid var(--glass-line);padding:6px 16px 6px 12px;border-radius:999px;backdrop-filter:blur(8px)}
.eb-logo{width:22px;height:22px}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.7rem);font-weight:700;margin:18px 0 14px;letter-spacing:0}
.hero-lead{font-size:clamp(1.08rem,1.7vw,1.26rem);color:var(--ink-2);max-width:780px;margin-bottom:22px}
.hero .chips{margin-top:8px}

/* ---------- CTA ---------- */
.cta{padding-block:clamp(56px,8vw,96px)}
.cta-card{position:relative;overflow:hidden;isolation:isolate;text-align:center;border-radius:var(--r-lg);padding:clamp(40px,6vw,72px) clamp(22px,5vw,64px);
  color:#f2fbfa;background:#062a33;box-shadow:var(--shadow-lg)}
.cta-bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(600px 300px at 85% 0%,rgba(47,216,201,.45),transparent 60%),
  radial-gradient(520px 320px at 10% 100%,rgba(44,99,214,.5),transparent 60%),
  linear-gradient(135deg,#06323a,#0b2447)}
.cta-logo{margin:0 auto 18px;width:64px;height:64px;filter:drop-shadow(0 10px 24px rgba(0,0,0,.35))}
.cta h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.4rem);margin-bottom:10px}
.cta p{color:rgba(242,251,250,.84);max-width:720px;margin:0 auto 26px;font-size:1.08rem}
.cta .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:#fff}
.cta .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.14)}
.cta .btn-primary{background:#fff;color:#073b44;box-shadow:0 14px 30px -12px rgba(0,0,0,.5)}

/* ==========================================================================
   Shell: nav, footer, tab bar, sheet, search, chat, to-top, progress
   ========================================================================== */
.progress{position:fixed;top:0;inset-inline:0;height:3px;z-index:120;background:var(--grad);transform:scaleX(0);transform-origin:right;pointer-events:none}
.nav{position:fixed;top:0;inset-inline:0;z-index:100;padding:12px 16px 0;transition:transform .45s var(--ease)}
.nav.hide{transform:translateY(-120%)}
.nav-bar{max-width:1240px;margin:0 auto;height:var(--nav-h);display:flex;align-items:center;gap:16px;padding:0 10px 0 14px;border-radius:20px;
  background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);
  transition:box-shadow .3s,background-color .3s}
.nav.scrolled .nav-bar{box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand .logo{width:42px;height:42px}
.brand span{display:flex;flex-direction:column;line-height:1.2}
.brand b{font-family:var(--font-h);font-size:1.3rem;font-weight:700;color:var(--head)}
.brand small{font-size:.74rem;color:var(--muted);font-weight:500}
.links{position:relative;display:flex;gap:2px;margin-inline:auto;padding:4px}
.links a{position:relative;z-index:1;padding:8px 15px;border-radius:12px;text-decoration:none;font-weight:500;font-size:.98rem;color:var(--ink-2);white-space:nowrap;transition:color .2s}
.links a:hover,.links a.active{color:var(--brand)}
.links a.active{font-weight:600}
.pill{position:absolute;top:4px;bottom:4px;right:0;border-radius:12px;opacity:0;transition:transform .4s var(--ease),width .4s var(--ease),opacity .2s;pointer-events:none}
.pill-active{background:color-mix(in oklab,var(--brand) 12%,transparent)}
.pill-hover{background:color-mix(in oklab,var(--ink) 6%,transparent)}
.actions{display:flex;align-items:center;gap:6px;flex:none}
.icon-btn{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:var(--ink-2);transition:background-color .2s,color .2s}
.icon-btn:hover{background:color-mix(in oklab,var(--ink) 7%,transparent);color:var(--brand)}
.theme-toggle .moon{display:none}
[data-theme=dark] .theme-toggle .sun{display:none}
[data-theme=dark] .theme-toggle .moon{display:block}
.btn-ai{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:12px;font-weight:600;font-family:var(--font-h);font-size:.95rem;
  background:var(--grad);color:#fff;box-shadow:0 8px 20px -10px rgba(16,143,176,.8);transition:transform .2s,box-shadow .2s}
[data-theme=dark] .btn-ai{color:#03171c}
.btn-ai:hover{transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(16,143,176,.9)}
.menu-btn{display:none}
@media(max-width:1080px){.links a{padding:8px 11px;font-size:.93rem}.brand small{display:none}}
@media(max-width:960px){.links{display:none}.menu-btn{display:grid}.actions{margin-inline-start:auto}}
@media(max-width:860px){
  :root{--tab-h:calc(66px + env(safe-area-inset-bottom))}
  html{scroll-padding-bottom:calc(var(--tab-h) + 16px)}
  .btn-ai,.menu-btn{display:none}
  .nav{padding:8px 10px 0}
  .nav-bar{height:58px;border-radius:16px}
  .brand .logo{width:36px;height:36px}
}

/* footer */
.footer{position:relative;margin-top:40px;background:#04202a;color:#c9dfe0;padding:56px 0 calc(28px + var(--tab-h))}
[data-theme=dark] .footer{background:#020d12}
.foot-wave{position:absolute;top:-38px;inset-inline:0;height:40px;color:#04202a;pointer-events:none}
[data-theme=dark] .foot-wave{color:#020d12}
.foot-wave svg{width:100%;height:100%;fill:currentColor}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr 1.3fr;gap:32px}
.footer .foot-h{color:#fff;font-size:1rem;margin-bottom:14px}
.footer a{display:block;color:#a9c6c8;text-decoration:none;padding:7px 0;font-size:.95rem;line-height:1.6;transition:color .2s}
.footer a:hover{color:#5ee6d8}
.foot-brand .brand b{color:#fff;font-size:1.6rem}
.foot-brand p{margin-top:14px;color:#a9c6c8;font-size:.95rem;max-width:300px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:.88rem;color:#86a6a9}
.link-btn{display:inline-flex;align-items:center;gap:6px;color:#a9c6c8;font-size:.88rem;min-height:44px}
.link-btn:hover{color:#5ee6d8}
.link-btn .i{width:16px;height:16px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* mobile tab bar */
.tabbar{display:none}
@media(max-width:860px){
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;inset-inline:0;z-index:90;height:var(--tab-h);
    padding:6px 6px env(safe-area-inset-bottom);background:var(--glass);border-top:1px solid var(--glass-line);
    backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4)}
  .tabbar a,.tabbar button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;
    font-size:.72rem;font-weight:500;color:var(--muted);border-radius:12px;min-height:48px}
  .tabbar .i{width:22px;height:22px}
  .tabbar .active{color:var(--brand);font-weight:600}
  .tabbar .active .i{background:color-mix(in oklab,var(--brand) 14%,transparent);border-radius:10px;padding:2px;width:30px;height:26px}
  .tabbar .tab-ai{color:#fff}
  .tabbar .tab-ai .i{width:46px;height:46px;padding:11px;border-radius:16px;background:var(--grad);margin-top:-22px;box-shadow:0 10px 22px -8px rgba(16,143,176,.85)}
  .tabbar .tab-ai span{color:var(--ink-2);font-weight:500}
  [data-theme=dark] .tabbar .tab-ai .i{color:#03171c}
}

/* bottom sheet */
.sheet{position:fixed;inset:0;z-index:150}
.sheet-backdrop{position:absolute;inset:0;background:rgba(2,14,19,.5);opacity:0;transition:opacity .35s}
.sheet-panel{position:absolute;bottom:0;inset-inline:0;max-height:88vh;overflow:auto;background:var(--surface);border-radius:26px 26px 0 0;
  padding:10px 18px calc(22px + env(safe-area-inset-bottom));transform:translateY(100%);transition:transform .42s var(--ease);box-shadow:var(--shadow-lg)}
.sheet.open .sheet-backdrop{opacity:1}
.sheet.open .sheet-panel{transform:none}
.sheet-handle{width:44px;height:5px;border-radius:5px;background:var(--line-2);margin:4px auto 10px}
.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.sheet-head b{font-family:var(--font-h);font-size:1.15rem;color:var(--head)}
.sheet-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sheet-item{display:flex;align-items:center;gap:12px;padding:12px 14px;min-height:68px;line-height:1.4;font-size:.95rem;border-radius:16px;background:var(--surface-2);border:1px solid var(--line);
  text-decoration:none;font-weight:600;color:var(--ink);opacity:0;transform:translateY(12px);transition:opacity .35s,transform .35s var(--ease),border-color .2s}
.sheet.open .sheet-item{opacity:1;transform:none}
.sheet-item .i{color:var(--brand)}
.sheet-item.active{border-color:var(--brand);color:var(--brand)}
.sheet-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-top:12px}
.sheet-wide{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 8px;border-radius:16px;background:var(--surface-2);border:1px solid var(--line);font-weight:600;font-size:.92rem}
.sheet-wide.ai{background:var(--grad);color:#fff;border:0}
[data-theme=dark] .sheet-wide.ai{color:#03171c}
.label-dark{display:none}
[data-theme=dark] .label-dark{display:inline}
[data-theme=dark] .label-light{display:none}

/* search palette */
.search{position:fixed;inset:0;z-index:170;display:flex;justify-content:center;align-items:flex-start;padding:min(12vh,110px) 16px 16px}
.search[hidden]{display:none}
.search-backdrop{position:absolute;inset:0;background:rgba(2,14,19,.55);backdrop-filter:blur(4px);animation:fade .2s ease}
.search-panel{position:relative;width:min(680px,100%);max-height:min(72vh,640px);display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line-2);
  border-radius:22px;box-shadow:var(--shadow-lg);overflow:hidden;animation:pop .28s var(--ease)}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}}
.search-bar{display:flex;align-items:center;gap:10px;padding:10px 12px 10px 16px;border-bottom:1px solid var(--line)}
.search-bar>.i{color:var(--brand)}
.search-bar input{flex:1;min-width:0;border:0;background:none;font-size:1.08rem;padding:8px 0;outline:none}
.search-bar input::-webkit-search-cancel-button{display:none}
.search-results{overflow:auto;padding:8px;flex:1}
.search-foot{padding:8px 16px;border-top:1px solid var(--line);font-size:.8rem;color:var(--muted)}
kbd{font-family:'Readex Pro',var(--font);font-size:.75rem;padding:1px 6px;border-radius:6px;border:1px solid var(--line-2);background:var(--surface-2)}
@media(max-width:860px){.search{padding-top:12px}.search-foot{display:none}}

/* chat */
.chat-fab{position:fixed;inset-inline-end:22px;bottom:22px;z-index:95;display:flex;align-items:center;gap:10px;padding:13px 20px 13px 16px;border-radius:999px;
  font-family:var(--font-h);font-weight:600;background:var(--grad);color:#fff;box-shadow:0 18px 36px -14px rgba(16,143,176,.9);transition:transform .25s var(--ease),opacity .25s}
[data-theme=dark] .chat-fab{color:#03171c}
.chat-fab:hover{transform:translateY(-3px)}
.chat-open .chat-fab{opacity:0;pointer-events:none}
@media(max-width:860px){.chat-fab{display:none}}
.chat{position:fixed;inset-inline-end:22px;bottom:22px;z-index:160;width:min(410px,calc(100vw - 32px));height:min(640px,calc(100vh - 120px))}
.chat[hidden]{display:none}
.chat-panel{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line-2);border-radius:24px;box-shadow:var(--shadow-lg);overflow:hidden;animation:pop .3s var(--ease)}
.chat-head{display:flex;align-items:center;gap:10px;padding:12px 12px 12px 14px;border-bottom:1px solid var(--line);background:var(--grad-soft)}
.chat-head .logo{width:38px;height:38px}
.chat-head>div{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}
.chat-head b{font-family:var(--font-h);color:var(--head)}
.chat-head small{color:var(--muted);font-size:.8rem;display:flex;align-items:center;gap:6px}
.chat-head .dot{width:8px;height:8px;border-radius:50%;background:var(--leaf);box-shadow:0 0 0 3px color-mix(in oklab,var(--leaf) 25%,transparent)}
.chat.offline .chat-head .dot{background:var(--sun);box-shadow:0 0 0 3px color-mix(in oklab,var(--sun) 25%,transparent)}
.chat-log{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.msg{max-width:88%;padding:11px 15px;border-radius:18px;font-size:.98rem;line-height:1.8;overflow-wrap:anywhere}
.msg.user{align-self:flex-start;background:var(--brand);color:var(--on-brand);border-end-start-radius:6px}
.msg.bot{align-self:flex-end;background:var(--surface-2);border:1px solid var(--line);border-end-end-radius:6px}
.msg.err{border-color:color-mix(in oklab,var(--sun) 45%,transparent);background:color-mix(in oklab,var(--sun) 9%,var(--surface))}
.msg p+p,.msg p+ul,.msg ul+p{margin-top:6px}
.msg ul,.msg ol{padding-inline-start:18px;list-style:disc}
.msg ol{list-style:decimal}
.msg a{color:var(--brand);font-weight:600}
.msg .src{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.msg .src a{font-size:.82rem;font-weight:600;text-decoration:none;padding:3px 10px;border-radius:999px;background:color-mix(in oklab,var(--brand) 12%,transparent)}
.typing{display:inline-flex;gap:4px;padding:4px 0}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.chat-suggest{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
.chat-suggest button{font-size:.85rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink-2);transition:border-color .2s,color .2s}
.chat-suggest button:hover{border-color:var(--brand);color:var(--brand)}
.chat-form{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
.chat-form textarea{flex:1;resize:none;border:1px solid var(--line-2);border-radius:16px;padding:10px 14px;background:var(--surface-2);max-height:130px;line-height:1.6;outline:none}
.chat-form textarea:focus{border-color:var(--brand)}
.chat-send{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--grad);color:#fff;flex:none}
[data-theme=dark] .chat-send{color:#03171c}
.chat-send:disabled{opacity:.45;cursor:not-allowed}
.chat-send .i{transform:scaleX(-1)}
.chat-note{font-size:.75rem;color:var(--muted);text-align:center;padding:0 12px 10px}
@media(max-width:760px){
  .chat{inset:0;width:auto;height:auto}
  .chat-panel{border-radius:0;border:0}
}

/* to top */
.totop{position:fixed;inset-inline-end:22px;bottom:92px;z-index:90;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line-2);color:var(--brand);box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s,transform .3s var(--ease)}
.totop.show{opacity:1;transform:none;pointer-events:auto}
@media(max-width:860px){.totop{bottom:calc(var(--tab-h) + 14px);inset-inline-end:14px;width:42px;height:42px}}

/* ---------- small screens ---------- */
@media(max-width:600px){
  body{font-size:16.5px}
  .wrap{padding:0 18px}
  .sec-head{gap:12px}
  .sec-num{display:none}
}

/* ---------- reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;animation-delay:0s!important;transition-duration:.001ms!important;transition-delay:0s!important;scroll-behavior:auto!important}
  .js .rv{opacity:1;transform:none}
}

/* ---------- print ---------- */
@media print{
  :root{--bg:#fff;--bg-2:#fff;--surface:#fff;--surface-2:#fff;--ink:#000;--ink-2:#111;--head:#000;--muted:#333;--line:#bbb}
  .nav,.tabbar,.chat-fab,.chat,.totop,.progress,.sheet,.search,.skip,.foot-wave,.hero-bg,.btns,.chips,.link-btn{display:none!important}
  body{padding:0;font-size:12pt}
  .js .rv{opacity:1!important;transform:none!important}
  .hero-page{padding:0 0 12pt}
  .sec{padding-block:14pt;break-inside:auto}
  .card,.tbl-wrap{box-shadow:none;break-inside:avoid}
  .footer{background:none;color:#000;padding:12pt 0}
  .footer a,.footer .foot-h,.foot-bottom{color:#000}
  .grad-text,.tm-h1-a,.q-h1-main,.op-ring-c b,.stat b{background:none!important;-webkit-text-fill-color:currentColor!important;color:#000!important}
  .cta{display:none}
}

/* 404 */
.nf{min-height:80vh;display:grid;align-items:center}
.nf-logo{width:96px;height:96px;margin:0 auto 8px}
.nf h1{margin-top:8px}

/* no JavaScript: hide controls that only work with it (content stays fully readable) */
html:not(.js) [data-open-chat],html:not(.js) [data-open-search],html:not(.js) .theme-toggle,html:not(.js) .chat-fab,html:not(.js) [data-open-sheet],html:not(.js) [data-print]{display:none!important}
html:not(.js) .tabbar{grid-template-columns:repeat(3,1fr)}
/* desktop: keep the floating assistant button clear of the footer controls */
@media(min-width:861px){.footer{padding-bottom:96px}}