/* ZeroTask marketing site — component layer on the ZERONEX tokens. Mobile-first; no raw brand colours outside the tokens. */
@font-face{font-family:'Vazirmatn';font-weight:400;font-display:swap;src:url(../../App/assets/fonts/Vazirmatn-Regular.woff2) format('woff2')}
@font-face{font-family:'Vazirmatn';font-weight:500;font-display:swap;src:url(../../App/assets/fonts/Vazirmatn-Medium.woff2) format('woff2')}
@font-face{font-family:'Vazirmatn';font-weight:600;font-display:swap;src:url(../../App/assets/fonts/Vazirmatn-SemiBold.woff2) format('woff2')}
@font-face{font-family:'Vazirmatn';font-weight:700;font-display:swap;src:url(../../App/assets/fonts/Vazirmatn-Bold.woff2) format('woff2')}

:root{--hdr-h:64px;--tab-h:64px;--ease:cubic-bezier(.22,.8,.24,1);--wrap:1180px}
html{scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body.site{background:var(--bg-canvas);color:var(--fg-primary);font-family:var(--zx-font-fa);line-height:1.85;-webkit-tap-highlight-color:transparent}
.site a{text-decoration:none;color:inherit}
.site img,.site svg{max-width:100%}
.si{width:1.2em;height:1.2em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em;flex:none}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:max(20px,env(safe-area-inset-right))}
.skip{position:fixed;inset-block-start:-60px;inset-inline-start:12px;z-index:100;background:var(--accent);color:var(--fg-on-brand);padding:.6rem 1rem;border-radius:var(--zx-r-sm)}
.skip:focus{inset-block-start:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.site .btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;padding:.55rem 1.15rem;border-radius:var(--zx-r-pill);font-weight:600;font-size:.95rem;border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s,background .2s,border-color .2s;white-space:nowrap}
.site .btn-lg{min-height:54px;padding:.75rem 1.7rem;font-size:1.02rem}
.site .btn-primary{background:var(--grad-brand);color:#fff;border:0;box-shadow:var(--shadow-glow)}
.site .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.site .btn-primary:active{transform:translateY(0) scale(.98)}
.site .btn-secondary{background:var(--bg-inset);border-color:var(--border-default);color:var(--fg-primary)}
.site .btn-secondary:hover{border-color:var(--border-strong);background:var(--bg-hover)}
.site .btn-ghost{color:var(--fg-secondary);background:transparent}
.site .btn-ghost:hover{color:var(--fg-primary);background:var(--bg-hover)}
.icon-btn{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:transparent;border:1px solid var(--border-subtle);color:var(--fg-secondary);transition:.2s}
.icon-btn:hover{background:var(--bg-hover);color:var(--fg-primary)}
.th-light{display:none}[data-bs-theme=light] .th-light{display:inline}[data-bs-theme=light] .th-dark{display:none}

/* ---------- header ---------- */
.hdr{position:fixed;inset-inline:0;top:0;z-index:50;padding-top:env(safe-area-inset-top);transition:background .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
.hdr.stuck{background:color-mix(in srgb,var(--bg-canvas) 82%,transparent);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);border-color:var(--border-subtle)}
.hdr-in{height:var(--hdr-h);display:flex;align-items:center;gap:1rem}
.logo{display:inline-flex;align-items:center;gap:.65rem}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--grad-brand);color:#fff;font-family:var(--zx-font-display);font-weight:600;box-shadow:var(--shadow-glow)}
.logo-word{font-family:var(--zx-font-display);letter-spacing:.24em;font-weight:300;font-size:.95rem;direction:ltr}
.logo-word b{font-weight:600;color:var(--fg-brand)}
.nav-d{display:none;margin-inline:auto;gap:.2rem}
.nav-d a{padding:.45rem .85rem;border-radius:var(--zx-r-pill);color:var(--fg-secondary);font-size:.92rem;transition:.2s}
.nav-d a:hover,.nav-d a[aria-current]{color:var(--fg-primary);background:var(--bg-hover)}
.hdr-act{display:flex;align-items:center;gap:.5rem;margin-inline-start:auto}
.menu-btn{display:inline-grid}

/* ---------- mobile sheet + tab bar (native-app feel) ---------- */
.sheet-bg{position:fixed;inset:0;z-index:60;background:var(--bg-overlay);backdrop-filter:blur(4px);opacity:0;transition:opacity .3s}
.sheet-bg.on{opacity:1}
.sheet{position:fixed;inset-inline:0;bottom:0;z-index:61;background:var(--bg-surface);border-top:1px solid var(--border-default);border-radius:26px 26px 0 0;padding:10px 20px calc(24px + env(safe-area-inset-bottom));transform:translateY(105%);transition:transform .38s var(--ease);box-shadow:var(--shadow-lg);max-height:86dvh;overflow:auto}
.sheet.on{transform:none}
.sheet-grip{width:44px;height:5px;border-radius:9px;background:var(--border-strong);margin:4px auto 14px}
.sheet nav a{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 .4rem;border-bottom:1px solid var(--border-subtle);font-size:1.05rem}
.sheet nav a[aria-current]{color:var(--fg-brand)}
.sheet-cta{display:grid;grid-template-columns:1fr 1.4fr;gap:.7rem;margin-top:1.2rem}
.tabbar{position:fixed;inset-inline:0;bottom:0;z-index:45;display:grid;grid-template-columns:repeat(5,1fr);padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--bg-canvas) 84%,transparent);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);border-top:1px solid var(--border-subtle)}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:50px;border-radius:14px;font-size:.7rem;color:var(--fg-muted);transition:.2s}
.tabbar a .si{width:22px;height:22px}
.tabbar a[aria-current]{color:var(--fg-brand)}
.tabbar a:active{transform:scale(.92)}
.tabbar .tab-go{color:#fff;background:var(--grad-brand);margin:2px 4px;box-shadow:var(--shadow-glow)}
@media (min-width:992px){.nav-d{display:flex}.menu-btn{display:none}.tabbar{display:none}.sheet,.sheet-bg{display:none!important}}
@media (max-width:991.98px){body.site{padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom))}.hdr-act .btn-primary{display:none}}

/* ---------- sections ---------- */
.sec{padding:clamp(56px,9vw,112px) 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--fg-brand);background:var(--accent-soft);border:1px solid var(--border-default);padding:.25rem .8rem;border-radius:var(--zx-r-pill);margin-bottom:1rem}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.h2{font-size:clamp(1.65rem,3.6vw,2.6rem);line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:0 0 .8rem}
.lead{font-size:clamp(1rem,1.5vw,1.15rem);color:var(--fg-secondary);max-width:62ch}
.sec-head{max-width:760px;margin-bottom:clamp(28px,5vw,56px)}
.sec-head.center{text-align:center;margin-inline:auto}.sec-head.center .lead{margin-inline:auto}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
[data-bs-theme=dark] .grad-text{background-image:linear-gradient(120deg,var(--zx-teal-200),var(--zx-teal-400) 55%,var(--zx-aurum-300))}
.card-s{background:var(--bg-surface);background-image:var(--grad-surface);border:1px solid var(--border-subtle);border-radius:var(--zx-r-xl);padding:clamp(20px,3vw,32px);transition:transform .35s var(--ease),border-color .3s,box-shadow .3s}
.card-s:hover{border-color:var(--border-default);transform:translateY(-4px);box-shadow:var(--shadow-md)}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:calc(var(--hdr-h) + clamp(36px,7vw,96px));padding-bottom:clamp(40px,6vw,88px);overflow:hidden}
.hero::before{content:'';position:absolute;inset:-20% -10% auto;height:90%;background:radial-gradient(60% 55% at 70% 20%,rgba(69,189,180,.22),transparent 70%),radial-gradient(40% 40% at 15% 40%,rgba(201,166,107,.12),transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;inset:0;background-image:linear-gradient(var(--border-subtle) 1px,transparent 1px),linear-gradient(90deg,var(--border-subtle) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent);-webkit-mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent);opacity:.5;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;gap:clamp(32px,5vw,64px);align-items:center}
@media (min-width:992px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.hero h1{font-size:clamp(2.1rem,6.2vw,4rem);line-height:1.25;font-weight:700;letter-spacing:-.02em;margin:0 0 1.1rem}
.hero .lead{font-size:clamp(1.02rem,1.9vw,1.25rem)}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.8rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin-top:1.6rem;color:var(--fg-muted);font-size:.88rem}
.hero-meta span{display:inline-flex;align-items:center;gap:.4rem}.hero-meta .si{color:var(--accent)}
@media (max-width:575.98px){.hero-cta .btn{flex:1 1 100%}}

/* ---------- phone mockup ---------- */
.stage{position:relative;display:grid;place-items:center;min-height:520px}
.phone{position:relative;width:min(300px,76vw);aspect-ratio:9/18.6;border-radius:44px;background:var(--bg-sunken);border:1px solid var(--border-strong);box-shadow:var(--shadow-lg),0 0 0 8px color-mix(in srgb,var(--bg-raised) 90%,transparent),var(--shadow-glow);padding:14px;overflow:hidden}
.phone::before{content:'';position:absolute;top:10px;left:50%;translate:-50% 0;width:84px;height:22px;border-radius:12px;background:#000;z-index:3}
.ph-scr{height:100%;border-radius:32px;background:var(--bg-canvas);padding:34px 14px 14px;display:flex;flex-direction:column;gap:10px;overflow:hidden;font-size:.78rem}
.ph-h{display:flex;align-items:center;justify-content:space-between}
.ph-h b{font-size:1rem}.ph-h small{color:var(--fg-muted)}
.ph-ring{position:relative;display:grid;place-items:center;width:64px;height:64px}
.ph-ring svg{position:absolute;inset:0;transform:rotate(-90deg)}
.ph-ring circle{fill:none;stroke-width:6;stroke-linecap:round}
.ph-ring .bg{stroke:var(--border-default)}.ph-ring .fg{stroke:var(--accent);stroke-dasharray:176;stroke-dashoffset:176;transition:stroke-dashoffset 1.2s var(--ease)}
.in .ph-ring .fg{stroke-dashoffset:50}
.ph-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:16px;padding:10px 12px}
.ph-task{display:flex;align-items:center;gap:.6rem;padding:.55rem .2rem;border-bottom:1px solid var(--border-subtle)}
.ph-task:last-child{border:0}
.ph-chk{width:18px;height:18px;border-radius:6px;border:1.5px solid var(--border-strong);display:grid;place-items:center;flex:none;transition:.4s var(--ease)}
.ph-task.done .ph-chk{background:var(--accent);border-color:var(--accent);color:var(--fg-on-brand)}
.ph-task.done .t{text-decoration:line-through;color:var(--fg-muted)}
.ph-chk .si{width:12px;height:12px;stroke-width:3;opacity:0;transition:.3s}.ph-task.done .ph-chk .si{opacity:1}
.ph-task .t{flex:1}.ph-task em{font-style:normal;color:var(--fg-muted);font-size:.7rem}
.ph-habits{display:flex;gap:6px;margin-top:6px}
.ph-habits i{flex:1;height:26px;border-radius:8px;background:var(--bg-inset);border:1px solid var(--border-subtle)}
.ph-habits i.on{background:var(--accent-soft);border-color:var(--border-strong)}
.ph-tab{margin-top:auto;display:flex;justify-content:space-around;padding:8px;border-radius:18px;background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--fg-muted)}
.ph-tab .si{width:18px;height:18px}.ph-tab .act{color:var(--fg-brand)}
.float{position:absolute;z-index:2;background:var(--bg-raised);border:1px solid var(--border-default);border-radius:18px;padding:.7rem .9rem;box-shadow:var(--shadow-md);font-size:.8rem;display:flex;align-items:center;gap:.6rem;animation:bob 6s ease-in-out infinite}
.float .ic{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--accent-soft);color:var(--fg-brand)}
.float small{display:block;color:var(--fg-muted);font-size:.7rem}
.f1{top:8%;inset-inline-end:-2%}.f2{bottom:14%;inset-inline-start:-4%;animation-delay:-2s}.f3{bottom:-2%;inset-inline-end:6%;animation-delay:-4s}
@keyframes bob{50%{transform:translateY(-10px)}}
@media (max-width:575.98px){.f1{inset-inline-end:-6px}.f2{inset-inline-start:-6px}.stage{min-height:480px}}

/* ---------- trust strip ---------- */
.strip{border-block:1px solid var(--border-subtle);background:var(--bg-inset);padding:18px 0;overflow:hidden}
.marq{display:flex;gap:2.2rem;width:max-content;animation:marq 38s linear infinite}
.marq span{display:inline-flex;align-items:center;gap:.55rem;color:var(--fg-secondary);font-size:.95rem;white-space:nowrap}
.marq .si{color:var(--accent)}
@keyframes marq{to{transform:translateX(50%)}}
.strip:hover .marq{animation-play-state:paused}

/* ---------- bento ---------- */
.bento{display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:640px){.bento{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.bento{grid-template-columns:repeat(6,1fr)}.b-2{grid-column:span 2}.b-3{grid-column:span 3}.b-4{grid-column:span 4}}
.bento .card-s{display:flex;flex-direction:column;gap:.6rem;overflow:hidden;position:relative}
.bento h3{font-size:1.2rem;font-weight:600;margin:.4rem 0 0}
.bento p{margin:0;color:var(--fg-secondary);font-size:.95rem}
.ic-b{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--accent-soft);color:var(--fg-brand);border:1px solid var(--border-default)}
.ic-b.gold{background:rgba(201,166,107,.14);color:var(--zx-aurum-400);border-color:rgba(201,166,107,.3)}
.mini{margin-top:auto;padding-top:.8rem;display:flex;flex-wrap:wrap;gap:.4rem}
.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .65rem;border-radius:var(--zx-r-pill);background:var(--bg-inset);border:1px solid var(--border-subtle);font-size:.78rem;color:var(--fg-secondary)}
.chip.ok{color:var(--success);border-color:color-mix(in srgb,var(--success) 40%,transparent)}

/* ---------- steps ---------- */
.steps{display:grid;gap:14px;counter-reset:s}
@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{counter-increment:s;position:relative;padding-top:3.2rem}
.step::before{content:counter(s);position:absolute;top:1.2rem;inset-inline-start:1.6rem;font-family:var(--zx-font-display);font-size:2.4rem;font-weight:200;line-height:1;color:var(--fg-brand);opacity:.7}
.step h3{font-size:1.15rem;margin:0 0 .4rem}.step p{margin:0;color:var(--fg-secondary);font-size:.95rem}

/* ---------- split / chat mock ---------- */
.split{display:grid;gap:clamp(28px,5vw,64px);align-items:center}
@media (min-width:992px){.split{grid-template-columns:1fr 1fr}.split.rev>:first-child{order:2}}
.ticks{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.7rem}
.ticks li{display:flex;gap:.7rem;align-items:flex-start;color:var(--fg-secondary)}
.ticks .si{color:var(--accent);margin-top:.35rem}
.chat{width:min(340px,88vw);margin-inline:auto;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:28px;box-shadow:var(--shadow-lg);overflow:hidden;font-size:.82rem}
.chat-top{display:flex;align-items:center;gap:.7rem;padding:.8rem 1rem;border-bottom:1px solid var(--border-subtle);background:var(--bg-raised)}
.chat-top .av{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--grad-brand);color:#fff;font-weight:700}
.chat-top small{display:block;color:var(--fg-muted);font-size:.7rem;line-height:1.3}
.chat-body{padding:14px;display:flex;flex-direction:column;gap:9px;min-height:300px}
.msg{max-width:86%;padding:.55rem .8rem;border-radius:16px;line-height:1.7;transition:.45s var(--ease)}
.js .msg{opacity:0;transform:translateY(8px)}
.js .msg.show{opacity:1;transform:none}
.msg.me{align-self:flex-start;background:var(--accent);color:var(--fg-on-brand);border-end-start-radius:4px}
.msg.bot{align-self:flex-end;background:var(--bg-raised);border:1px solid var(--border-subtle);border-end-end-radius:4px}
.msg .wave{display:flex;align-items:center;gap:2px;height:20px}.msg .wave i{width:3px;border-radius:2px;background:currentColor;opacity:.8;height:30%}
.msg .wave i:nth-child(3n){height:90%}.msg .wave i:nth-child(3n+1){height:55%}.msg .wave i:nth-child(5n){height:75%}
.kb{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-top:.5rem}
.kb span{text-align:center;padding:.4rem;border-radius:10px;background:var(--bg-inset);border:1px solid var(--border-default);font-size:.76rem;color:var(--fg-brand)}
.reply-kb{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:8px;background:var(--bg-sunken);border-top:1px solid var(--border-subtle)}
.reply-kb span{text-align:center;padding:.38rem .2rem;border-radius:9px;background:var(--bg-surface);border:1px solid var(--border-subtle);font-size:.68rem;color:var(--fg-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- screens carousel (snap) ---------- */
.snap{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 24px;margin-inline:-20px;scrollbar-width:none}
.snap::-webkit-scrollbar{display:none}
.snap>*{scroll-snap-align:center;flex:0 0 min(300px,78vw)}
@media (min-width:992px){.snap{display:grid;grid-template-columns:repeat(4,1fr);overflow:visible;margin:0;padding:0}.snap>*{flex:initial}}
.mod{min-height:230px}
.mod .big{font-family:var(--zx-font-display);font-size:2.1rem;font-weight:300;color:var(--fg-brand);line-height:1.1}

/* ---------- pricing ---------- */
.plans{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:760px){.plans{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}
.plan{display:flex;flex-direction:column;gap:1rem;position:relative}
.plan.hot{border-color:var(--border-brand);box-shadow:var(--shadow-glow);background-image:var(--grad-surface),linear-gradient(180deg,var(--accent-soft),transparent 40%)}
.plan .tag{position:absolute;top:-13px;inset-inline-start:24px;background:var(--grad-aurum);color:#1b1305;font-size:.74rem;font-weight:700;padding:.15rem .8rem;border-radius:var(--zx-r-pill)}
.plan h3{margin:0;font-size:1.2rem}
.price{display:flex;align-items:baseline;gap:.4rem}.price b{font-family:var(--zx-font-display);font-size:2.4rem;font-weight:300;line-height:1}.price small{color:var(--fg-muted)}
.plan ul{list-style:none;padding:0;margin:0;display:grid;gap:.55rem;color:var(--fg-secondary);font-size:.93rem}
.plan li{display:flex;gap:.6rem}.plan li .si{color:var(--accent);margin-top:.35rem}
.plan .btn{margin-top:auto}

/* ---------- table (compare) ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--border-subtle);border-radius:var(--zx-r-lg)}
.tbl{width:100%;border-collapse:collapse;min-width:560px;font-size:.92rem}
.tbl th,.tbl td{padding:.8rem 1rem;text-align:center;border-bottom:1px solid var(--border-subtle)}
.tbl th:first-child,.tbl td:first-child{text-align:start;color:var(--fg-secondary)}
.tbl thead th{background:var(--bg-inset);font-weight:600}
.tbl tr:last-child td{border:0}

/* ---------- faq ---------- */
.faq{display:grid;gap:10px;max-width:860px;margin-inline:auto}
.faq details{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--zx-r-lg);transition:border-color .25s}
.faq details[open]{border-color:var(--border-default)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.05rem 1.3rem;min-height:56px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary .si{transition:transform .3s var(--ease);color:var(--fg-muted)}
.faq details[open] summary .si{transform:rotate(180deg);color:var(--accent)}
.faq .ans{padding:0 1.3rem 1.2rem;color:var(--fg-secondary)}

/* ---------- CTA + footer ---------- */
.cta-box{position:relative;overflow:hidden;text-align:center;padding:clamp(36px,7vw,80px) clamp(20px,5vw,60px);border-radius:32px;border:1px solid var(--border-strong);background:var(--bg-surface);background-image:linear-gradient(160deg,var(--accent-soft),transparent 60%)}
.cta-glow{position:absolute;width:520px;height:520px;inset-inline-start:50%;top:-340px;translate:-50% 0;border-radius:50%;background:radial-gradient(circle,rgba(69,189,180,.35),transparent 65%);pointer-events:none}
.cta-box h2{position:relative;font-size:clamp(1.6rem,4vw,2.7rem);font-weight:700;margin:0 0 .7rem}
.cta-box p{position:relative;color:var(--fg-secondary);margin:0 auto 1.6rem;max-width:52ch}
.cta-row{position:relative;display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}
@media (max-width:575.98px){.cta-row .btn{flex:1 1 100%}}
.ftr{border-top:1px solid var(--border-subtle);padding:clamp(36px,6vw,64px) 0 28px;background:var(--bg-sunken)}
.ftr-grid{display:grid;gap:28px;grid-template-columns:1fr 1fr}
@media (min-width:860px){.ftr-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.ftr-grid>div:first-child{grid-column:1/-1}@media (min-width:860px){.ftr-grid>div:first-child{grid-column:auto}}
.ftr h3{font-size:.85rem;color:var(--fg-muted);font-weight:500;margin:0 0 .8rem}
.ftr nav a{display:block;padding:.28rem 0;color:var(--fg-secondary);font-size:.93rem;min-height:32px}.ftr nav a:hover{color:var(--fg-primary)}
.ftr-note{color:var(--fg-muted);font-size:.9rem;margin:.9rem 0 0;max-width:34ch}
.ftr-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--border-subtle);color:var(--fg-muted);font-size:.82rem}

/* ---------- inner pages ---------- */
.page-hero{padding-top:calc(var(--hdr-h) + clamp(36px,6vw,84px));padding-bottom:clamp(20px,4vw,48px);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:-30% 0 auto;height:100%;background:radial-gradient(50% 50% at 50% 0,rgba(69,189,180,.2),transparent 70%);pointer-events:none}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(1.9rem,5vw,3.2rem);font-weight:700;line-height:1.3;margin:0 0 .8rem}
.prose{max-width:760px;margin-inline:auto;color:var(--fg-secondary)}
.prose h2{color:var(--fg-primary);font-size:1.35rem;margin:2.2rem 0 .6rem}.prose h3{color:var(--fg-primary);font-size:1.1rem}
.prose li{margin:.3rem 0}.prose strong{color:var(--fg-primary)}
.prose blockquote{border-inline-start:3px solid var(--accent);margin:1rem 0;padding:.4rem 1rem;background:var(--bg-inset);border-radius:var(--zx-r-sm)}
.prose code{background:var(--bg-inset);padding:.1rem .4rem;border-radius:6px;direction:ltr;unicode-bidi:embed}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .reveal{opacity:1;transform:none}.js .msg{opacity:1;transform:none}}
.ftr-bot a{color:var(--fg-secondary);font-weight:600;text-decoration:underline;text-underline-offset:3px}.ftr-bot a:hover{color:var(--fg-brand)}