/* AI Chat Saver site — light by default, dark via the header toggle (html[data-theme=dark]). */
:root{
  --bg:#fbfaff; --bg2:#f3f0fb; --card:#ffffff; --text:#17142b; --muted:#5d5873; --line:#e6e1f2;
  --a1:#7c3aed; --a2:#f2622e; --accent:#6d28d9; --accent-ink:#ffffff; --ok:#0f8a5f;
  --grad:linear-gradient(135deg,#7c3aed 0%,#c2369b 55%,#f2622e 100%);
  --shadow:0 1px 2px rgba(23,20,43,.05),0 8px 24px rgba(23,20,43,.06);
  --r:16px; --font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
html[data-theme="dark"]{
  color-scheme:dark; --bg:#0e0c18; --bg2:#151223; --card:#1a1729; --text:#efedf7; --muted:#a7a2bd; --line:#2c2741;
    --accent:#a78bfa; --accent-ink:#140f24; --ok:#4ade9b;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font);overflow-wrap:break-word}
img{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:780px}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:8px;background:var(--card);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:8px}

/* header */
.site-head{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand img{display:block}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;padding:7px 11px;border-radius:999px;font-size:15px;font-weight:500}
.nav a:hover{color:var(--text);background:var(--bg2)}
.nav a[aria-current="page"]{color:var(--text);background:var(--bg2)}
.theme-toggle{display:inline-grid;place-items:center;width:36px;height:36px;margin-left:6px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;padding:0}
.theme-toggle:hover{background:var(--bg2)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .moon{display:block}.theme-toggle .sun{display:none}
html[data-theme="dark"] .theme-toggle .moon{display:none}html[data-theme="dark"] .theme-toggle .sun{display:block}
@media (max-width:640px){.head-row{padding:8px 0;justify-content:center}.nav{justify-content:center}.nav a{padding:6px 9px;font-size:14px}}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 56px;text-align:center}
.hero::before{content:"";position:absolute;inset:-40% -10% auto;height:520px;background:radial-gradient(closest-side,rgba(124,58,237,.18),transparent),radial-gradient(closest-side at 70% 60%,rgba(242,98,46,.14),transparent);pointer-events:none}
.hero .wrap{position:relative}
.hero-logo{width:96px;height:96px;filter:drop-shadow(0 12px 22px rgba(124,58,237,.28))}
.eyebrow{display:inline-block;margin:0 0 10px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}
.hero h1{font-size:clamp(34px,6vw,58px);margin:20px auto 14px;max-width:16ch}
.grad-text{padding:0 .08em 0 0;-webkit-box-decoration-break:clone;box-decoration-break:clone;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:640px;margin:0 auto 28px}
.stores{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.store{display:inline-flex;align-items:center;gap:10px;padding:10px 18px 10px 12px;border-radius:14px;background:var(--text);color:var(--bg);text-decoration:none;font-weight:600;line-height:1.15;text-align:left}
.store small{display:block;font-size:11px;font-weight:500;opacity:.75}
.store.soon{background:var(--card);color:var(--text);border:1px dashed var(--line);box-shadow:var(--shadow)}
.store.soon span span,.store.soon>span{color:var(--text)}
.store-ic{width:28px;height:28px;flex:none}
.hero-note{margin-top:16px;font-size:14px;color:var(--muted)}

/* sections */
section{padding:56px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 32px}
.section-head h2{font-size:clamp(26px,3.6vw,36px)}
.section-head p{color:var(--muted);margin:0}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.ai-list{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;list-style:none;padding:0;margin:0 auto;max-width:780px}
.ai-list li{position:relative;width:64px;height:64px;display:grid;place-items:center;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .15s ease;cursor:default;outline:none}
.ai-list li img{width:36px;height:36px;display:block}
.ai-list li:hover,.ai-list li:focus-visible{transform:translateY(-3px)}
.ai-list li::after{content:attr(data-name);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(4px);white-space:nowrap;padding:5px 10px;border-radius:8px;background:var(--text);color:var(--bg);font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease;z-index:5}
.ai-list li:hover::after,.ai-list li:focus::after{opacity:1;transform:translateX(-50%) translateY(0)}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.card h3{font-size:19px;margin:12px 0 8px}
.card p{margin:0;color:var(--muted)}
.card ul{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.card li{margin:3px 0}
.ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--grad);color:#fff}
.ic svg{width:22px;height:22px}
kbd{font:600 .85em var(--mono);padding:2px 7px;border-radius:6px;border:1px solid var(--line);border-bottom-width:2px;background:var(--bg2);color:var(--text);white-space:nowrap}

.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 22px 70px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;display:grid;place-items:center}
.steps strong{display:block;margin-bottom:4px}
.steps span{color:var(--muted)}

.privacy-band{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:center}
.privacy-band ul{list-style:none;padding:0;margin:0}
.privacy-band li{padding:10px 0 10px 32px;position:relative;border-bottom:1px solid var(--line)}
.privacy-band li::before{content:"✓";position:absolute;left:4px;top:9px;color:var(--ok);font-weight:800}
@media (max-width:800px){.privacy-band{grid-template-columns:1fr}}

.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:0 0 10px}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:10px 0 0;color:var(--muted)}

.cta{text-align:center}
.btn{display:inline-block;padding:12px 22px;border-radius:12px;background:var(--grad);color:#fff;text-decoration:none;font-weight:700;border:0;font-size:16px}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn[aria-disabled="true"]{opacity:.7;cursor:default}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
@media (max-width:900px){.plans{grid-template-columns:1fr;max-width:480px;margin:0 auto}}
.plan{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow);position:relative}
.plan.featured{box-shadow:-16px 14px 50px -4px rgba(239,68,68,.35),16px 14px 50px -4px rgba(249,115,22,.385),0 2px 8px rgba(23,20,43,.06)}
.plan h2{font-size:22px;margin:0 0 4px}
.plan .sub{color:var(--muted);margin:0 0 18px;font-size:15px}
.price{display:flex;align-items:baseline;gap:6px;min-height:52px;margin-bottom:6px}
.price-num{font-size:40px;font-weight:800;letter-spacing:-.03em}
.price-per{color:var(--muted)}
.price-soon{font-size:26px;font-weight:700;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:16px 0 22px;flex:1}
.plan li{padding:7px 0 7px 28px;position:relative}
.plan li::before{content:"✓";position:absolute;left:2px;color:var(--ok);font-weight:800}
.plan .btn{text-align:center}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--grad);color:#fff;letter-spacing:.02em}
.plan .badge{position:absolute;top:-12px;right:20px}
.status{align-self:flex-start;display:inline-block;font-size:13px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--bg2);border:1px solid var(--line);color:var(--muted);margin-bottom:14px}
.fine{font-size:14px;color:var(--muted);text-align:center;max-width:720px;margin:22px auto 0}

/* policy pages */
.doc{padding:48px 20px 64px}
.doc-head{border-bottom:1px solid var(--line);margin-bottom:28px;padding-bottom:18px}
.doc-head h1{font-size:clamp(30px,5vw,42px)}
.doc-head .muted{margin:0}
.prose h2{font-size:23px;margin:2em 0 .6em}
.prose h3{font-size:18px;margin:1.6em 0 .5em}
.prose p,.prose li{color:var(--text)}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:5px 0}
.prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--bg2)}
.prose code{font:.9em var(--mono);background:var(--bg2);padding:1px 6px;border-radius:6px}
.prose blockquote{margin:16px 0;padding:12px 16px;border-left:4px solid var(--a1);background:var(--bg2);border-radius:0 10px 10px 0}
.prose blockquote p{margin:0}

/* 404 */
.notfound{text-align:center;padding:96px 20px}
.notfound h1{font-size:72px;margin:0}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--bg2);padding:32px 0;margin-top:24px}
.foot-row{display:grid;gap:14px}
.foot-brand{display:flex;align-items:center;gap:8px;font-weight:700}
.foot-brand img{display:block}
.foot-nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.foot-nav a{color:var(--muted);text-decoration:none;font-size:15px}
.foot-nav a:hover{color:var(--text);text-decoration:underline}
.foot-note{margin:0;font-size:13px;color:var(--muted)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* language menu (beside the theme toggle; same button style) */
.lang{position:relative;display:inline-flex}
.lang-toggle{display:inline-grid;place-items:center;width:36px;height:36px;margin-left:6px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;padding:0}
.lang-toggle:hover,.lang-toggle[aria-expanded="true"]{background:var(--bg2)}
.lang-toggle svg{width:18px;height:18px}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:20;min-width:168px;margin:0;padding:6px;list-style:none;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.lang-menu[hidden]{display:none}
.lang-menu a{display:block;padding:7px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:15px;line-height:1.4;white-space:nowrap;text-align:left}
.lang-menu a:hover,.lang-menu a:focus-visible{background:var(--bg2)}
.lang-menu a[aria-current="true"]{color:var(--accent);font-weight:700}

/* pricing: buy button sits under the price, above the feature list */
.plan .price + .btn{margin-top:10px}

/* right-to-left pages (Arabic) */
[dir="rtl"] .skip{left:auto;right:-999px}
[dir="rtl"] .skip:focus{right:8px}
[dir="rtl"] .theme-toggle,[dir="rtl"] .lang-toggle{margin-left:0;margin-right:6px}
[dir="rtl"] .lang-menu{right:auto;left:0}
[dir="rtl"] .lang-menu a{text-align:right}
[dir="rtl"] h1,[dir="rtl"] h2,[dir="rtl"] h3,[dir="rtl"] .brand,[dir="rtl"] .eyebrow{letter-spacing:0}
[dir="rtl"] .store{text-align:right;padding:10px 12px 10px 18px}
[dir="rtl"] .card ul{padding-left:0;padding-right:18px}
[dir="rtl"] .steps li{padding:22px 70px 22px 22px}
[dir="rtl"] .steps li::before{left:auto;right:20px}
[dir="rtl"] .privacy-band li{padding:10px 32px 10px 0}
[dir="rtl"] .privacy-band li::before{left:auto;right:4px}
[dir="rtl"] .plan li{padding:7px 28px 7px 0}
[dir="rtl"] .plan li::before{left:auto;right:2px}
[dir="rtl"] .plan .badge{right:auto;left:20px}
[dir="rtl"] .grad-text{padding:0 0 0 .08em}
[dir="rtl"] kbd,[dir="rtl"] code{direction:ltr;unicode-bidi:isolate}

/* announcement bar (admin panel: Announcement; off by default) */
.announce{background:var(--ann-bg,#6d28d9);color:var(--ann-fg,#fff);font-size:15px;line-height:1.45}
.announce-row{display:flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding-top:8px;padding-bottom:8px}
.announce p{margin:0;text-align:center;font-weight:600}
.announce a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.announce-x{flex:none;display:inline-grid;place-items:center;width:30px;height:30px;border:0;border-radius:999px;background:transparent;color:inherit;cursor:pointer;padding:0;opacity:.85}
.announce-x:hover{opacity:1;background:rgba(255,255,255,.18)}
.announce-x svg{width:16px;height:16px}

/* hero extras (admin panel: Homepage hero buttons, Store links version) */
.hero-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.store-version{margin:12px 0 0;font-size:13px;color:var(--muted)}

/* four plans when the optional Lifetime card is on */
.plans.plans-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1100px){.plans.plans-4{grid-template-columns:repeat(2,1fr);max-width:820px;margin:0 auto}}
@media (max-width:640px){.plans.plans-4{grid-template-columns:1fr;max-width:480px}}

/* maintenance page */
.maint-box{text-align:center;padding:96px 20px}
.maint-box h1{font-size:clamp(30px,5vw,44px);margin:20px 0 10px}
/* "Save X%" pill on the Yearly card (absolute: never changes card size or alignment) */
.plan .save-pill{position:absolute;top:-12px;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:12px;font-weight:700;line-height:1.5;padding:2px 11px;border-radius:999px;letter-spacing:.02em;color:#c2410c;background:linear-gradient(90deg,#fff1f0,#fff4ea);border:1px solid rgba(239,68,68,.32);box-shadow:-6px 4px 14px -6px rgba(239,68,68,.45),6px 4px 14px -6px rgba(249,115,22,.5);pointer-events:none}
.plan .save-pill.side{left:20px;transform:none}
[dir="rtl"] .plan .save-pill.side{left:auto;right:20px}
html[data-theme="dark"] .plan .save-pill{color:#fdba74;background:linear-gradient(90deg,#2b1518,#2d1a10);border-color:rgba(249,115,22,.42);box-shadow:-6px 4px 16px -6px rgba(239,68,68,.55),6px 4px 16px -6px rgba(249,115,22,.55)}

/* ===== feature showcase (home #features): ONE feature per row, zig-zag sides, scroll parallax (features.html) ===== */
.feat-sec{overflow:hidden}
@supports (overflow:clip){.feat-sec{overflow:visible;overflow-x:clip}}
.feat-rows{list-style:none;margin:0 auto;padding:12px 20px 40px;max-width:1240px;display:flex;flex-direction:column;gap:clamp(84px,11vw,150px)}
.frow{--sx:-1;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;gap:clamp(28px,5.2vw,76px);min-width:0;margin:0}
.frow.flip{--sx:1;grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.frow.flip .frow-text{order:2}.frow.flip .frow-media{order:1}
[dir="rtl"] .frow{--sx:1}[dir="rtl"] .frow.flip{--sx:-1}
.frow-text,.frow-media{min-width:0;position:relative}
.frow-tin{max-width:410px;margin-inline-start:auto}
.frow.flip .frow-tin{margin-inline-start:0}
.frow-num{display:block;width:max-content;font-size:13px;font-weight:800;letter-spacing:.16em;margin:0 0 14px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.frow-num::after{content:"";display:block;width:34px;height:3px;border-radius:3px;margin-top:10px;background:var(--grad)}
.feat-title{margin:0 0 12px;font-size:clamp(23px,2.5vw,32px);font-weight:750;letter-spacing:-.02em;line-height:1.18;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;text-wrap:balance}
.feat-desc{margin:0;font-size:clamp(16px,1.4vw,18.5px);line-height:1.55;color:var(--muted);text-wrap:pretty}
.pro-chip{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;font-size:11.5px;font-weight:750;letter-spacing:.04em;color:#fff;background:linear-gradient(135deg,#ef4444,#f97316);box-shadow:0 4px 12px -4px rgba(239,68,68,.55)}
.frow-vin{position:relative;isolation:isolate}
/* no coloured border / outline / glow around the videos: neutral shadow only (owner request) */
.frow-glow{display:none}
.feat-card{position:relative;border-radius:18px;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.feat-media{position:relative;display:block;width:100%;padding:0;border:0;outline:0;cursor:pointer;border-radius:18px;overflow:hidden;padding-top:34px;-webkit-tap-highlight-color:transparent;
  background:var(--card);box-shadow:0 2px 6px rgba(20,20,30,.06),0 26px 54px -26px rgba(20,20,30,.28);transition:box-shadow .3s ease;isolation:isolate}
.feat-media::after,.feat-media::before{content:none}
@media (hover:hover){.feat-card:hover{transform:translateY(-3px)}.feat-card:hover .feat-media{box-shadow:0 3px 8px rgba(20,20,30,.07),0 32px 64px -28px rgba(20,20,30,.34)}}
.feat-media:focus{outline:0}
.feat-media:focus-visible,.feat-zoom:focus-visible{outline:2px solid color-mix(in srgb,var(--text) 55%,transparent);outline-offset:3px}   /* keyboard only, neutral grey */
.feat-bar{position:absolute;inset:0 0 auto;height:34px;display:flex;align-items:center;gap:6px;padding:0 13px;background:color-mix(in srgb,var(--bg2) 92%,#fff);border-bottom:1px solid var(--line);z-index:1}
.feat-bar i{width:10px;height:10px;border-radius:50%;background:#e5e1ef}.feat-bar i:nth-child(1){background:#ff5f57}.feat-bar i:nth-child(2){background:#febc2e}.feat-bar i:nth-child(3){background:#28c840}
.feat-video{position:relative;width:100%;height:auto;aspect-ratio:1280/800;object-fit:cover;display:block;background:var(--bg2);outline:0;border:0}
/* zoom arrow: hidden (not focusable) until the video is clicked/tapped (.zoom-on); never on plain hover */
.feat-zoom{position:absolute;left:50%;bottom:14px;z-index:2;width:44px;height:44px;margin:0;padding:0;border:0;border-radius:12px;display:grid;place-items:center;cursor:zoom-in;color:#fff;background:rgba(17,17,27,.66);
  box-shadow:0 4px 14px rgba(0,0,0,.25);-webkit-tap-highlight-color:transparent;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  visibility:hidden;opacity:0;pointer-events:none;transform:translate(-50%,6px);transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}
.feat-zoom svg{width:18px;height:18px}
.feat-card.zoom-on .feat-zoom{visibility:visible;opacity:1;pointer-events:auto;transform:translate(-50%,0);transition:opacity .2s ease,transform .2s ease,visibility 0s}
.feat-zoom:hover{background:rgba(17,17,27,.8)}
html[data-theme="dark"] .feat-bar{background:#1f1b30}
html[data-theme="dark"] .feat-bar i{opacity:.9}
html[data-theme="dark"] .feat-media{box-shadow:0 2px 8px rgba(0,0,0,.35),0 30px 64px -24px rgba(0,0,0,.75)}
@media (hover:hover){html[data-theme="dark"] .feat-card:hover .feat-media{box-shadow:0 3px 10px rgba(0,0,0,.4),0 36px 72px -26px rgba(0,0,0,.85)}}
/* scroll reveal (only when the script runs, .fx): the text slides in from its own side + fades, the video rises + scales; parallax transforms sit on the outer [data-par] wrappers */
.feat-sec.fx .frow-tin{opacity:0;transform:translate3d(calc(var(--sx) * 64px),0,0);transition:opacity .75s ease .12s,transform 1s cubic-bezier(.16,.8,.22,1) .12s}
.feat-sec.fx .frow-vin{opacity:0;transform:translate3d(0,28px,0) scale(.94);transition:opacity .8s ease,transform 1.05s cubic-bezier(.16,.8,.22,1)}
.feat-sec.fx .frow.in .frow-tin,.feat-sec.fx .frow.in .frow-vin{opacity:1;transform:none}
.frow.near [data-par]{will-change:transform}
/* parallax on the compositor where the browser has scroll-driven animations (no script per frame); the script drives it elsewhere.
   Same mapping as the script: row entering at the bottom = pushed down by the amplitude, leaving at the top = pulled up. */
@supports (animation-timeline:view()){
  .feat-sec.sda .frow{view-timeline:--frow block;--av:36px;--at:92px}
  .feat-sec.sda .frow [data-par="v"]{animation:frow-pv linear both;animation-timeline:--frow;animation-range:cover 0% cover 100%}
  .feat-sec.sda .frow [data-par="t"]{animation:frow-pt linear both;animation-timeline:--frow;animation-range:cover 0% cover 100%}
  @media (max-width:760px){.feat-sec.sda .frow{--av:0px;--at:14px}}
}
@keyframes frow-pv{from{transform:translate3d(0,var(--av),0)}to{transform:translate3d(0,calc(var(--av) * -1),0)}}
@keyframes frow-pt{from{transform:translate3d(0,var(--at),0)}to{transform:translate3d(0,calc(var(--at) * -1),0)}}
@media (max-width:980px){.frow,.frow.flip{gap:32px}.frow{grid-template-columns:minmax(0,1fr) minmax(0,1.25fr)}.frow.flip{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}}
@media (max-width:760px){
  .feat-rows{gap:68px;padding-bottom:24px}
  .frow,.frow.flip{grid-template-columns:minmax(0,1fr);gap:28px}
  .frow .frow-media,.frow.flip .frow-media{order:1}.frow .frow-text,.frow.flip .frow-text{order:2}
  .frow-tin,.frow.flip .frow-tin{max-width:none;margin:0}
  .frow-num{margin-bottom:10px}.frow-num::after{margin-top:8px}
  .feat-title{margin-bottom:8px}
  .feat-sec.fx .frow-tin{transform:translate3d(calc(var(--sx) * 36px),0,0)}
  .feat-sec.fx .frow-vin{transform:translate3d(0,12px,0) scale(.96)}
}
@media (prefers-reduced-motion:reduce){.feat-card,.feat-media,.feat-zoom,.feat-card.zoom-on .feat-zoom{transition:none}.feat-card:hover{transform:none}}
.feat-dialog{width:min(1180px,94vw);max-height:94vh;padding:0;border:0;border-radius:18px;background:var(--card);color:var(--text);box-shadow:0 30px 80px rgba(0,0,0,.45);overflow:hidden}
.feat-dialog::backdrop{background:rgba(10,8,20,.72);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.feat-big{display:block;width:100%;height:auto;max-height:calc(94vh - 56px);background:#000;aspect-ratio:1280/800}
.feat-big-title{margin:0;padding:14px 56px 16px 20px;font-weight:650}
.feat-dialog form{position:absolute;top:10px;right:10px;margin:0;z-index:2}
[dir="rtl"] .feat-dialog form{right:auto;left:10px}
[dir="rtl"] .feat-big-title{padding:14px 20px 16px 56px}
.feat-close{width:38px;height:38px;border-radius:12px;border:0;display:grid;place-items:center;cursor:pointer;color:#fff;background:rgba(17,17,27,.66);backdrop-filter:blur(6px)}
.feat-close svg{width:18px;height:18px}

/* ===== Help (home #help): tutorial video + steps ===== */
.help{scroll-margin-top:72px}
.help-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:40px;align-items:center}
.help-video{position:relative;border-radius:18px;overflow:hidden;background:#0e0c18;aspect-ratio:1280/800;
  box-shadow:0 0 0 1px var(--line),0 24px 60px -18px rgba(124,58,237,.45)}
.help-video::before{content:"";position:absolute;inset:-2px;z-index:-1;border-radius:20px;background:var(--grad);opacity:.5;filter:blur(18px)}
.help-video video{display:block;width:100%;height:100%;object-fit:cover;background:#0e0c18}
.help-text h2{font-size:clamp(26px,3.4vw,34px);margin:0 0 8px}
.help-text>.muted{margin:0 0 18px}
.help-steps{list-style:none;counter-reset:hs;margin:0;padding:0;display:grid;gap:10px}
.help-steps li{counter-increment:hs;position:relative;padding:12px 14px 12px 56px;border-radius:14px;background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.help-steps li::before{content:counter(hs);position:absolute;left:14px;top:12px;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;font-size:14px;display:grid;place-items:center}
.help-steps b{font-weight:650}
.help-steps span{color:var(--muted);font-size:15px;line-height:1.5}
[dir="rtl"] .help-steps li{padding:12px 56px 12px 14px}
[dir="rtl"] .help-steps li::before{left:auto;right:14px}
.help-more{margin:16px 0 0;font-size:15px;color:var(--muted)}
@media (max-width:900px){.help-grid{grid-template-columns:1fr;gap:28px}}

/* ===== phone top bar (≤640px): brand + language + theme on one row, the links (incl. Help) centred on the next ===== */
@media (max-width:640px){
  .head-row{gap:6px 2px;padding:8px 14px}
  .head-row .nav{display:contents}
  .head-row .brand{order:0}
  .head-row .lang{order:1;margin-inline-start:auto}
  .head-row .theme-toggle{order:2}
  .head-row::after{content:"";order:3;flex-basis:100%;height:0}
  .head-row .nav>a{order:4}
}

/* help video: big centred play button until the tutorial starts */
.help-play{position:absolute;left:50%;top:50%;z-index:2;width:76px;height:76px;margin:-38px 0 0 -38px;border:0;border-radius:50%;padding:0;cursor:pointer;display:grid;place-items:center;
  color:#fff;background:var(--grad);box-shadow:0 0 0 8px rgba(255,255,255,.28),0 14px 34px -6px rgba(124,58,237,.7);transition:transform .2s ease,box-shadow .2s ease}
.help-play svg{width:30px;height:30px;margin-left:4px}
.help-play:hover{transform:scale(1.07)}
.help-play:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.help-video.playing .help-play{display:none}
@media (max-width:600px){.help-play{width:62px;height:62px;margin:-31px 0 0 -31px}.help-play svg{width:24px;height:24px}}
@media (prefers-reduced-motion:reduce){.help-play{transition:none}.help-play:hover{transform:none}}