/* E-Trading design system — editorial, RTL-first. Gold #c59a3a on ink; paper whites. */
:root{
  --ink:#0d0c0a;--ink2:#17150f;--ink3:#26221a;
  --gold:#c59a3a;--gold-hi:#e8d3a2;--gold-lo:#8a6420;--gold-tx:#d9b35a;
  --paper:#fbf8f2;--white:#fff;--line:#e6dcc6;--line-d:rgba(232,211,162,.18);
  --mute:#5f584a;--mute-d:#a89f8b;
  --f-head:'Playfair Display','Amiri','Noto Naskh Arabic',serif;
  --f-body:'IBM Plex Sans Arabic','IBM Plex Sans',system-ui,'Segoe UI',Tahoma,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.2,.8,.2,1);--ease-io:cubic-bezier(.7,0,.2,1);
  --wrap:1200px;--gut:clamp(18px,4vw,48px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--f-body);background:var(--paper);color:var(--ink);line-height:1.75;font-size:17px;overflow-x:hidden;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit;background:none;border:0}
h1,h2,h3,h4{font-family:var(--f-head);font-weight:700;line-height:1.22;letter-spacing:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--gold);color:var(--ink);padding:10px 16px;z-index:200;border-radius:8px}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.kick{font-family:var(--f-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-lo);display:inline-flex;align-items:center;gap:12px;direction:ltr}
.kick::before{content:"";width:34px;height:1px;background:currentColor}
.dark .kick,.kick.on-dark{color:var(--gold-tx)}
.lead{color:var(--mute);max-width:58ch;font-size:1.08rem}
.dark .lead{color:var(--mute-d)}
.en{font-family:var(--f-head);direction:ltr;unicode-bidi:isolate}
section{position:relative}
main{overflow-x:clip}
.sec{padding-block:clamp(72px,11vw,150px)}
.dark{background:var(--ink);color:#f3ebd9}
.paper2{background:#f4eedf}
h2.big{font-size:clamp(34px,5.6vw,72px);margin-block:18px 22px}
h2.mid{font-size:clamp(28px,3.6vw,48px);margin-block:14px 16px}

/* buttons */
.btn{--bg:var(--ink);--fg:#fff;position:relative;display:inline-flex;align-items:center;gap:12px;padding:15px 28px;border-radius:999px;background:var(--bg);color:var(--fg);font-weight:600;overflow:hidden;isolation:isolate;transition:color .35s var(--ease),transform .35s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;background:var(--gold);transform:translateY(101%);transition:transform .45s var(--ease);z-index:-1}
.btn:hover::before,.btn:focus-visible::before{transform:none}
.btn:hover,.btn:focus-visible{color:var(--ink)}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(-5px)}
.btn.gold{--bg:var(--gold);--fg:var(--ink)}
.btn.gold::before{background:#f3e3b5}
.btn.ghost{--bg:transparent;--fg:currentColor;box-shadow:inset 0 0 0 1px currentColor}
.btn.ghost::before{background:var(--gold)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1px var(--gold)}
.link{display:inline-flex;gap:10px;align-items:center;border-bottom:1px solid currentColor;padding-bottom:3px;font-weight:600}
.link:hover{color:var(--gold-lo)}.dark .link:hover{color:var(--gold-tx)}

/* header */
.top{color:#f3ebd9;position:fixed;inset:0 0 auto 0;z-index:60;transition:background .4s,backdrop-filter .4s,transform .5s var(--ease)}
.top.solid{background:rgba(13,12,10,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.top.light{color:var(--ink)}
.top.light.solid{background:rgba(251,248,242,.88);box-shadow:0 1px 0 var(--line)}
.top.hide{transform:translateY(-100%)}
.top .in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--f-head);font-weight:700;letter-spacing:.14em;font-size:18px;direction:ltr}
.brand img{width:44px;height:44px;object-fit:contain}
.dn{display:none}
.navl{display:none;gap:30px;font-size:15px}
.navl a{position:relative;padding-block:6px;opacity:.82;transition:opacity .3s}
.navl a::after{content:"";position:absolute;inset-inline:0;bottom:0;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.navl a:hover,.navl a[aria-current=page]{opacity:1}
.navl a:hover::after,.navl a[aria-current=page]::after{transform:scaleX(1)}
.burger{width:46px;height:46px;border-radius:50%;box-shadow:inset 0 0 0 1px currentColor;display:grid;place-content:center;gap:5px;position:relative;z-index:80}
.burger i{display:block;width:20px;height:1.6px;background:currentColor;transition:.4s var(--ease)}
.burger[aria-expanded=true]{color:#f3ebd9}
.burger[aria-expanded=true] i:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.burger[aria-expanded=true] i:nth-child(2){opacity:0}
.burger[aria-expanded=true] i:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:70;background:var(--ink);color:#f3ebd9;display:grid;align-content:center;padding:90px var(--gut) 40px;clip-path:circle(0 at calc(100% - 44px) 44px);visibility:hidden;transition:clip-path .8s var(--ease-io),visibility 0s .8s}
html[dir=rtl] .menu{clip-path:circle(0 at 44px 44px)}
.menu.on{clip-path:circle(160% at calc(100% - 44px) 44px);visibility:visible;transition:clip-path .8s var(--ease-io),visibility 0s}
html[dir=rtl] .menu.on{clip-path:circle(160% at 44px 44px)}
.menu nav{display:grid;max-width:var(--wrap);margin-inline:auto;width:100%}
.menu a.m{font-family:var(--f-head);font-size:clamp(30px,6vw,56px);padding-block:6px;display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line-d);opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease),color .3s}
.menu.on a.m{opacity:1;transform:none}
.menu a.m small{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--gold-tx);direction:ltr}
.menu a.m:hover{color:var(--gold-tx)}
.menu .mf{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;color:var(--mute-d);font-size:15px}
.menu .mf a:hover{color:var(--gold-tx)}
@media(min-width:960px){.navl{display:flex}.burger{display:none}.dn{display:inline-flex}}

/* hero */
.hero{min-height:100svh;background:radial-gradient(1100px 600px at 20% 30%,#1d180e 0%,var(--ink) 65%);color:#f3ebd9;display:grid;align-items:center;padding-block:120px 70px;overflow:hidden}
.hero .emblem{position:absolute;inset-inline-end:3%;top:52%;width:min(62vw,640px);translate:0 -50%;opacity:.09;pointer-events:none;will-change:transform}
.hero .emblem img{width:100%;filter:drop-shadow(0 0 60px rgba(197,154,58,.25))}
.hero .grid{position:relative;display:grid;gap:clamp(30px,5vw,70px);align-items:center;grid-template-columns:1fr}
@media(min-width:980px){.hero .grid{grid-template-columns:.85fr 1.35fr}}
.hero h1{font-size:clamp(38px,5.2vw,78px);margin-block:20px 22px}
.hero h1 .en{display:block;font-size:.42em;font-weight:400;font-style:italic;color:var(--gold-tx);margin-top:.5em;letter-spacing:.01em}
.hero .acts{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.seal{width:clamp(110px,14vw,170px);margin-bottom:6px}
.seal{position:relative}.seal img{width:100%}
.scene{position:relative;border:1px solid var(--line-d);background:linear-gradient(180deg,rgba(23,21,15,.92),rgba(13,12,10,.96));border-radius:6px;padding:18px 18px 14px;direction:ltr}
.scene .hud{display:flex;justify-content:space-between;align-items:center;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;color:var(--mute-d);padding-bottom:12px;border-bottom:1px solid var(--line-d);margin-bottom:10px;gap:12px}
.scene .hud b{color:var(--gold-tx);font-weight:500}
.scene svg{width:100%;height:auto;overflow:visible}
.scene .cap{direction:rtl;margin-top:12px;min-height:3.4em;font-size:15px;color:#e9dfc8;display:grid;gap:2px}
.scene .cap em{font-style:normal;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;color:var(--gold-tx);direction:ltr;text-align:right}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;direction:ltr}
.steps button{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;padding:7px 10px;border:1px solid var(--line-d);border-radius:99px;color:var(--mute-d);transition:.3s}
.steps button[aria-pressed=true]{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.steps button:hover{border-color:var(--gold)}
.scene .pp{margin-inline-start:auto;font-family:var(--f-mono);font-size:11px;color:var(--mute-d);padding:7px 10px;border:1px solid var(--line-d);border-radius:99px}
.scene .note{direction:rtl;font-size:12.5px;color:var(--mute-d);margin-top:10px}
/* scene primitives */
.cn{transition:opacity .5s var(--ease),transform .6s var(--ease)}
.cn.hid,.ov.hid{opacity:0}
.cn.hid{transform:translateY(8px)}
.ov{transition:opacity .6s var(--ease)}
.ov .draw{stroke-dasharray:1;stroke-dashoffset:0;transition:stroke-dashoffset 1s var(--ease)}
.ov.hid .draw{stroke-dashoffset:1}
.bull{fill:#e8d3a2;stroke:#e8d3a2}.bear{fill:#0d0c0a;stroke:#c59a3a}
.lbl{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.06em;fill:#e8d3a2}
.pulse{transform-box:fill-box;transform-origin:center;animation:pulse 1.8s var(--ease) infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.6);opacity:0}}

/* reveal */
[data-r]{opacity:0;transition:opacity .9s var(--ease),transform .9s var(--ease),clip-path 1.1s var(--ease-io);transition-delay:calc(var(--i,0)*90ms)}
[data-r=up]{transform:translateY(34px)}
[data-r=mask]{clip-path:inset(0 0 100% 0)}
[data-r=zoom]{transform:scale(.94)}
.in-view[data-r],[data-r].in-view{opacity:1;transform:none;clip-path:inset(0 0 0 0)}
.no-js [data-r]{opacity:1;transform:none;clip-path:none}

/* credentials */
.cred{display:grid;gap:clamp(18px,3vw,36px);grid-template-columns:1fr}
@media(min-width:900px){.cred{grid-template-columns:repeat(12,1fr);align-items:end}
  .c1{grid-column:1/6}.c2{grid-column:6/9;margin-bottom:-40px}.c3{grid-column:9/13;margin-top:80px}}
.cert{position:relative;display:block;width:100%;text-align:start;border-radius:4px;overflow:hidden;background:#fff;box-shadow:0 30px 60px -34px rgba(13,12,10,.5);transform-style:preserve-3d;transition:transform .5s var(--ease),box-shadow .5s}
.cert img{width:100%;height:auto;transition:transform 1s var(--ease)}
.cert:hover img{transform:scale(1.035)}
.cert::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.35) 50%,transparent 65%);transform:translateX(-120%);transition:transform .9s var(--ease);pointer-events:none}
.cert:hover::after{transform:translateX(120%)}
.cmeta{display:flex;justify-content:space-between;gap:10px;margin-top:12px;font-size:14px;color:var(--mute)}
.cmeta b{color:var(--ink);font-family:var(--f-head)}
.cmeta span.en{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em}
.lb{position:fixed;inset:0;z-index:120;background:rgba(13,12,10,.92);display:none;place-items:center;padding:24px}
.lb.on{display:grid;animation:fade .35s var(--ease)}
.lb img{max-height:88vh;width:auto;max-width:94vw;border-radius:4px;box-shadow:0 40px 90px -30px #000}
.lb .x{position:absolute;top:18px;inset-inline-end:18px;width:48px;height:48px;border-radius:50%;box-shadow:inset 0 0 0 1px #e8d3a2;color:#e8d3a2;font-size:22px}
@keyframes fade{from{opacity:0}}
.dark .disc{color:var(--mute-d)}
.disc{border-inline-start:2px solid var(--gold);padding:6px 18px;color:var(--mute);font-size:15px;max-width:70ch;margin-top:46px}

/* founder */
.founder{display:grid;gap:clamp(28px,5vw,80px);align-items:center}
@media(min-width:900px){.founder{grid-template-columns:.8fr 1.2fr}}
.portrait{position:relative;aspect-ratio:4/5;overflow:hidden;border-radius:2px}
.portrait img{width:100%;height:112%;object-fit:cover;object-position:50% 30%;will-change:transform}
.portrait::after{content:"";position:absolute;inset:14px;border:1px solid rgba(232,211,162,.5);pointer-events:none}
.facts{list-style:none;display:grid;gap:0;margin-top:26px;border-top:1px solid var(--line-d)}
.facts li{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--line-d);color:#e9dfc8}
.facts li b{font-family:var(--f-mono);color:var(--gold-tx);font-size:12px;letter-spacing:.14em;min-width:92px;direction:ltr;padding-top:5px;font-weight:500}

/* philosophy */
.quote{font-family:var(--f-head);font-size:clamp(24px,3.2vw,42px);line-height:1.4;direction:ltr;text-align:left;max-width:30ch}
.quote p+p{margin-top:.8em;font-size:.62em;line-height:1.7;opacity:.82;max-width:52ch;font-family:var(--f-body);direction:ltr}
.phil{display:grid;gap:40px}
@media(min-width:900px){.phil{grid-template-columns:1.1fr .9fr;align-items:start}}
.phil .ar{color:var(--mute);border-inline-start:1px solid var(--line);padding-inline-start:26px;display:grid;gap:14px}
.vm{display:grid;gap:30px;margin-top:60px}
@media(min-width:820px){.vm{grid-template-columns:1fr 1fr}}
.vm h3{font-size:24px;margin-bottom:8px}.vm p{color:var(--mute)}

/* method */
.meth{display:grid;gap:0;margin-top:54px}
.stage{display:grid;gap:12px 40px;padding-block:34px;border-top:1px solid var(--line);position:relative}
.stage:last-child{border-bottom:1px solid var(--line)}
.stage .n{font-family:var(--f-head);font-size:clamp(70px,10vw,150px);line-height:.8;color:transparent;-webkit-text-stroke:1px var(--gold);direction:ltr;text-align:right;transition:color .6s}
.stage:hover .n{color:rgba(197,154,58,.16)}
.stage h3{font-size:clamp(24px,3vw,36px)}.stage p{color:var(--mute);max-width:54ch}
@media(min-width:900px){
  .stage{grid-template-columns:200px 1fr 1.1fr;align-items:center}
  .stage:nth-child(2){margin-inline-start:9%}
  .stage:nth-child(3){margin-inline-start:18%}
}

/* courses */
.courses{display:grid;gap:26px;margin-top:56px}
@media(min-width:960px){.courses{grid-template-columns:.8fr 1.2fr;align-items:stretch}}
.course{position:relative;padding:clamp(26px,3.5vw,48px);display:flex;flex-direction:column;gap:14px;overflow:hidden}
.course.free{border:1px solid var(--line);background:#fff;color:var(--ink)}
.course.pro{background:var(--ink);color:#f3ebd9}
.course.pro::before{content:"";position:absolute;inset-inline-end:-80px;top:-80px;width:300px;height:300px;border:1px solid var(--line-d);border-radius:50%}
.course.pro::after{content:"";position:absolute;inset-inline-end:-30px;top:-30px;width:200px;height:200px;border:1px solid var(--line-d);border-radius:50%}
.course .tag{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;direction:ltr;color:var(--gold-lo);text-align:right}
.course.pro .tag{color:var(--gold-tx)}
.course h3{font-size:clamp(26px,3vw,40px)}
.course .price{font-family:var(--f-head);font-weight:700;font-size:clamp(44px,6vw,84px);line-height:1;direction:ltr;text-align:right;color:var(--gold-lo)}
.course.pro .price{color:var(--gold-tx)}
.course .price small{font-family:var(--f-mono);font-size:14px;letter-spacing:.1em;margin-inline-start:8px;font-weight:400}
.course ul{list-style:none;display:grid;gap:6px;color:var(--mute);font-size:15.5px}
.course.pro ul{color:#cfc4aa}
.course li{display:flex;gap:10px}.course li::before{content:"";width:6px;height:6px;background:var(--gold);transform:rotate(45deg);margin-top:11px;flex:none}
.spec{display:flex;gap:22px;flex-wrap:wrap;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.08em;direction:ltr;padding-block:12px;border-block:1px solid currentColor;opacity:.85}
.bonus{display:flex;align-items:center;gap:12px;padding:14px 16px;background:rgba(197,154,58,.12);border:1px solid rgba(197,154,58,.35);font-size:15px}
.bonus b{font-family:var(--f-head);font-size:24px;color:var(--gold-lo);direction:ltr}
.pro .bonus b{color:var(--gold-tx)}
.course .acts{margin-top:auto;display:flex;gap:12px;flex-wrap:wrap;padding-top:14px}

/* telegram / inzo / faq */
.tg{display:grid;gap:30px;align-items:center}
@media(min-width:900px){.tg{grid-template-columns:1.2fr .8fr}}
.tgmark{white-space:nowrap;font-family:var(--f-head);font-size:clamp(34px,6vw,92px);line-height:.9;color:transparent;-webkit-text-stroke:1px var(--gold-tx);direction:ltr;opacity:.7}
.inzo{display:grid;gap:34px}
@media(min-width:900px){.inzo{grid-template-columns:1fr 1fr;gap:70px}}
.inzo .offer{background:var(--ink);color:#f3ebd9;padding:clamp(26px,4vw,50px);position:relative}
.inzo .offer .amt{font-family:var(--f-head);font-size:clamp(70px,9vw,130px);line-height:1;color:var(--gold-tx);direction:ltr;text-align:right}
.disclose{font-size:14.5px;color:var(--mute);border-top:1px solid var(--line);padding-top:16px;margin-top:22px}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:20px 0;font-family:var(--f-head);font-size:clamp(19px,2.2vw,26px)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);font-size:26px;color:var(--gold-lo);transition:transform .4s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 22px;color:var(--mute);max-width:70ch}
.dark .faq details{border-color:var(--line-d)}.dark .faq .a{color:var(--mute-d)}

/* page head */
.phead{background:var(--ink);color:#f3ebd9;padding:170px 0 80px;position:relative;overflow:hidden}
.phead::after{content:"";position:absolute;inset-inline-start:-6%;bottom:-40%;width:520px;aspect-ratio:1;background:url(../img/logo-512.png) center/contain no-repeat;opacity:.08}
.phead h1{font-size:clamp(38px,6vw,84px);margin-top:16px}
.prose{max-width:72ch}.prose h2{font-size:clamp(24px,3vw,34px);margin:2.2em 0 .5em}.prose p,.prose li{color:#3b362b;margin-bottom:.9em}.prose ul{padding-inline-start:1.2em}
.prose a{color:var(--gold-lo);text-decoration:underline;text-underline-offset:3px}
.two{display:grid;gap:30px}@media(min-width:900px){.two{grid-template-columns:1fr 1fr;gap:70px}}
.cdetail{display:grid;gap:40px}@media(min-width:960px){.cdetail{grid-template-columns:1.3fr .7fr;gap:70px}}
.aside{position:sticky;top:100px;align-self:start;border:1px solid var(--line);padding:28px;background:#fff;display:grid;gap:14px}
.topics{list-style:none;display:grid;border-top:1px solid var(--line)}
.topics li{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:18px;font-family:var(--f-head);font-size:21px}
.topics li span{font-family:var(--f-mono);font-size:12px;color:var(--gold-lo);padding-top:7px;direction:ltr}

/* calculator */
.calc{display:grid;gap:26px}@media(min-width:980px){.calc{grid-template-columns:1.1fr .9fr;gap:50px}}
.panel{background:#fff;border:1px solid var(--line);padding:clamp(20px,3vw,36px)}
.panel.dk{background:var(--ink);color:#f3ebd9;border-color:var(--ink)}
.fgrid{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.fgrid .full{grid-column:1/-1}
label.f{display:grid;gap:6px;font-size:13.5px;color:var(--mute)}
.f input,.f select{font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:2px;direction:ltr;text-align:start;width:100%}
.f input:focus,.f select:focus{outline:2px solid var(--gold);border-color:var(--gold)}
.f .hint{font-size:12px;color:#7a7260}
details.adv{grid-column:1/-1;border:1px dashed var(--line);padding:12px 14px}
details.adv summary{cursor:pointer;font-weight:600;font-size:14.5px}
details.adv .fgrid{margin-top:14px}
.res{display:grid;gap:0}
.res .row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line-d);font-size:15px;color:#cfc4aa}
.res .row b{font-family:var(--f-head);font-size:20px;color:#f3ebd9;direction:ltr}
.res .main{padding:6px 0 22px;border-bottom:1px solid var(--line-d)}
.res .main small{font-family:var(--f-mono);letter-spacing:.14em;font-size:11px;color:var(--gold-tx);display:block}
.res .main b{font-family:var(--f-head);font-size:clamp(56px,7vw,92px);line-height:1;color:var(--gold-tx);direction:ltr;display:block;text-align:right}
.msg{padding:12px 14px;font-size:14.5px;margin-top:14px;border-inline-start:3px solid var(--gold)}
.msg.err{background:rgba(190,70,50,.14);border-color:#d0604a;color:#f1c1b6}
.msg.warn{background:rgba(197,154,58,.14);color:#f0dfb2}
.src{font-family:var(--f-mono);font-size:12px;color:var(--mute-d);margin-top:16px;direction:ltr;text-align:right}

/* contact */
.ch{display:grid;gap:0;border-top:1px solid var(--line)}
.ch a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);font-family:var(--f-head);font-size:clamp(22px,3vw,34px);transition:padding .4s var(--ease),color .3s}
.ch a:hover{padding-inline-start:18px;color:var(--gold-lo)}
.ch a small{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--mute);direction:ltr}
.form{display:grid;gap:16px}
.form textarea{font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--line);background:#fff;min-height:140px;resize:vertical;width:100%;border-radius:2px}
.form textarea:focus{outline:2px solid var(--gold)}
.form .st{font-size:14px;color:var(--mute)}

/* footer */
footer{background:var(--ink);color:#cfc4aa;padding:80px 0 30px;font-size:15px}
.fg{display:grid;gap:40px}@media(min-width:900px){.fg{grid-template-columns:1.3fr 1fr 1fr 1fr}}
footer h4{font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;color:var(--gold-tx);margin-bottom:16px;font-weight:500;direction:ltr;text-align:right}
footer ul{list-style:none;display:grid;gap:9px}
footer a:hover{color:var(--gold-tx)}
.fbrand img{width:96px;margin-bottom:14px}
.risk{margin-top:54px;padding-top:22px;border-top:1px solid var(--line-d);font-size:13.5px;color:#a89f8b;display:grid;gap:10px}

/* support */
.sup{position:fixed;inset-inline-start:18px;bottom:18px;z-index:90}
.sup .fab{display:flex;align-items:center;gap:10px;padding:13px 20px;border-radius:999px;background:var(--ink);color:#f3ebd9;box-shadow:0 14px 34px -12px rgba(0,0,0,.55),inset 0 0 0 1px var(--line-d);font-size:15px;transition:transform .3s var(--ease),background .3s}
.sup .fab:hover{background:var(--gold);color:var(--ink);transform:translateY(-3px)}
.sup .fab svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.chat{position:absolute;bottom:62px;inset-inline-start:0;width:min(340px,calc(100vw - 36px));background:#fff;border:1px solid var(--line);box-shadow:0 30px 60px -24px rgba(0,0,0,.5);display:none}
.chat.on{display:block;animation:fade .3s var(--ease)}
.chat header{background:var(--ink);color:#f3ebd9;padding:14px 16px;font-family:var(--f-head);font-size:17px}
.chat header small{display:block;font-family:var(--f-body);font-size:12.5px;color:var(--mute-d)}
.msgs{height:250px;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:8px;font-size:14.5px}
.msgs div{padding:9px 13px;max-width:88%;line-height:1.6}
.msgs .b{background:var(--paper);border:1px solid var(--line)}
.msgs .u{background:var(--ink);color:#fff;align-self:flex-end}
.msgs a{color:var(--gold-lo);text-decoration:underline}
.quick{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px}
.quick button{font-size:12.5px;border:1px solid var(--line);padding:5px 11px;border-radius:99px}
.quick button:hover{border-color:var(--gold);color:var(--gold-lo)}
.chat form{display:flex;border-top:1px solid var(--line)}
.chat input{flex:1;border:0;padding:13px 14px;font:inherit;font-size:15px;background:#fff;min-width:0}
.chat form button{padding:0 16px;color:var(--gold-lo);font-weight:600}

/* fx */
.fxl{position:fixed;pointer-events:none;z-index:150;left:0;top:0}
/* page enter / view transitions */
@view-transition{navigation:auto}
::view-transition-old(root){animation:.25s var(--ease) both vtout}
::view-transition-new(root){animation:.45s var(--ease) both vtin}
@keyframes vtout{to{opacity:0}}@keyframes vtin{from{opacity:0;transform:translateY(10px)}}
.err404{min-height:100svh;display:grid;place-content:center;text-align:center;gap:20px;background:var(--ink);color:#f3ebd9;padding:40px}
.err404 .n{font-family:var(--f-head);font-size:clamp(100px,22vw,260px);line-height:.9;color:transparent;-webkit-text-stroke:1px var(--gold)}

@media(max-width:640px){body{font-size:16px}.fgrid{grid-template-columns:1fr}.scene{padding:12px}.hero{padding-top:104px}.sup .fab span{display:none}.sup .fab{padding:14px}}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-r]{opacity:1!important;transform:none!important;clip-path:none!important}
}

/* Responsive refinement: phones and small tablets */
@media (max-width: 760px) {
  :root { --gut: 18px; }
  body { font-size: 16px; }
  .wrap { width: 100%; }
  .sec { padding-block: 58px; }
  .top .in { height: 64px; gap: 12px; }
  .brand { gap: 8px; font-size: 15px; letter-spacing: .08em; }
  .brand img { width: 38px; height: 38px; }
  .burger { width: 42px; height: 42px; }
  .hero { min-height: auto; padding-block: 104px 54px; }
  .hero .grid { grid-template-columns: minmax(0,1fr); gap: 26px; }
  .hero h1 { font-size: clamp(34px, 9vw, 52px); }
  .hero .lead { font-size: 1rem; }
  .hero .acts, .course .acts { gap: 10px; }
  .btn { justify-content: center; padding: 13px 19px; font-size: 14px; }
  .scene { min-width: 0; padding: 12px; }
  .scene .hud { flex-wrap: wrap; font-size: 10px; }
  .steps button { padding: 7px 8px; font-size: 10px; }
  .phead { padding: 128px 0 54px; }
  .phead::after { width: 300px; }
  .founder, .phil, .tg, .inzo, .two, .cdetail, .calc { grid-template-columns: minmax(0,1fr); gap: 26px; }
  .aside { position: static; padding: 20px; }
  .topics li { font-size: 18px; gap: 12px; }
  .course { padding: 24px 20px; }
  .course.pro::before { width: 210px; height: 210px; }
  .course.pro::after { width: 150px; height: 150px; }
  .spec { gap: 10px 16px; font-size: 11px; }
  .panel { padding: 20px 16px; }
  .fgrid { grid-template-columns: minmax(0,1fr); }
  .fgrid .full, details.adv { grid-column: auto; }
  .res .row { align-items: flex-start; font-size: 13px; }
  .res .row b { font-size: 17px; }
  .res .main b { font-size: clamp(48px, 14vw, 70px); }
  .ch a { align-items: flex-start; flex-wrap: wrap; font-size: clamp(20px, 6vw, 27px); padding: 17px 0; }
  .fg { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px 20px; }
  footer { padding: 56px 0 24px; }
  .risk { margin-top: 34px; }
  .sup { inset-inline-start: 12px; bottom: max(12px, env(safe-area-inset-bottom)); }
  .chat { width: min(340px, calc(100vw - 24px)); }
  .menu { padding: 82px 20px 30px; }
  .menu a.m { font-size: clamp(28px, 8vw, 42px); }
  .disc { margin-top: 28px; font-size: 13px; }
  .quote { font-size: clamp(24px, 7vw, 34px); }
  .facts li { gap: 10px; flex-wrap: wrap; }
  .facts li b { min-width: 82px; }
  table { display: block; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  pre, code { overflow-wrap: anywhere; }
  img, svg, video, iframe { max-width: 100%; }
  .wrap > *, .grid > *, .founder > *, .calc > *, .courses > *, .fg > * { min-width: 0; }
}
@media (min-width: 420px) and (max-width: 760px) {
  .cred { grid-template-columns: repeat(2, minmax(0,1fr)); align-items: start; }
  .cred .c1, .cred .c2, .cred .c3 { grid-column: auto; margin: 0; }
}
@media (max-width: 380px) {
  :root { --gut: 15px; }
  .brand { font-size: 13px; }
  .hero h1 { font-size: 33px; }
  .fg { grid-template-columns: minmax(0,1fr); }
  .hero .acts .btn { width: 100%; }
}

/* Mobile hardening — E-TRADING phase 1
   Additive overrides: preserve the existing visual system and page structure. */
:where(.wrap, .top .in, .hero .grid, .scene, .panel, .course, .aside,
       .founder, .phil, .tg, .inzo, .two, .cdetail, .calc, .fg, .cred,
       .courses, .vm, .stage) > * {
  min-width: 0;
}
:where(p, li, a, button, label, small, strong, b) {
  overflow-wrap: anywhere;
}
button, .btn, a {
  -webkit-tap-highlight-color: transparent;
}
:where(button, .btn, .burger, .steps button, .pp, .quick button) {
  touch-action: manipulation;
}

@media (max-width: 760px) {
  html { scroll-padding-top: 76px; }
  body { max-width: 100%; }
  .top .in { min-width: 0; }
  .brand { min-width: 0; max-width: calc(100% - 58px); }
  .brand span { overflow-wrap: normal; }
  .menu {
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-top: max(82px, env(safe-area-inset-top));
    padding-bottom: max(30px, env(safe-area-inset-bottom));
  }
  .menu nav { min-width: 0; }
  .menu a.m { min-width: 0; gap: 12px; }
  .hero .emblem { width: min(78vw, 390px); opacity: .055; }
  .hero .grid, .hero .grid > *, .scene, .scene > * { min-width: 0; }
  .hero .acts { align-items: stretch; }
  .hero .acts .btn, .course .acts .btn { min-height: 46px; }
  .scene .hud > * { min-width: 0; }
  .scene svg { max-width: 100%; }
  .steps { row-gap: 8px; }
  .steps button { min-height: 36px; }
  .cred { grid-template-columns: minmax(0, 1fr); }
  .cred .c1, .cred .c2, .cred .c3 { grid-column: auto; margin: 0; }
  .cert { min-width: 0; }
  .course .acts { align-items: stretch; }
  .course .acts .btn { flex: 1 1 150px; }
  .spec { flex-wrap: wrap; }
  .fgrid, .fgrid .full, details.adv { min-width: 0; }
  .f input, .f select, .form textarea, .chat input { min-width: 0; max-width: 100%; }
  .res .row { min-width: 0; }
  .res .row > * { min-width: 0; }
  .res .row b { overflow-wrap: anywhere; text-align: end; }
  .ch a { min-width: 0; }
  .ch a small { max-width: 100%; overflow-wrap: anywhere; }
  .fg { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  footer .fbrand { grid-column: 1 / -1; }
  .sup { bottom: max(12px, env(safe-area-inset-bottom)); }
  .sup .fab { min-width: 48px; min-height: 48px; justify-content: center; }
  .chat { max-height: min(70svh, 520px); }
  .msgs { max-height: min(42svh, 300px); }
  table { width: 100%; }
  th, td { overflow-wrap: anywhere; }
  iframe, video { max-width: 100%; }
}

@media (max-width: 420px) {
  :root { --gut: 15px; }
  .wrap { padding-inline: var(--gut); }
  .top .in { gap: 8px; }
  .brand { gap: 7px; font-size: 12px; letter-spacing: .045em; }
  .brand img { width: 34px; height: 34px; }
  .burger { flex: 0 0 40px; width: 40px; height: 40px; }
  .hero { padding-block: 96px 44px; }
  .hero h1 { font-size: clamp(30px, 8.5vw, 36px); }
  .hero .acts .btn { width: 100%; }
  .scene { padding: 10px; }
  .scene .hud { gap: 7px; }
  .scene .cap { font-size: 13px; }
  .steps button { padding-inline: 7px; }
  .phead { padding: 116px 0 44px; }
  .phead h1 { font-size: clamp(32px, 9vw, 42px); }
  .sec { padding-block: 48px; }
  .panel { padding: 18px 14px; }
  .course { padding: 22px 16px; }
  .course .acts .btn { flex-basis: 100%; }
  .res .main b { font-size: clamp(42px, 13vw, 58px); }
  .fg { grid-template-columns: minmax(0, 1fr); }
  footer .fbrand { grid-column: auto; }
  .chat { width: calc(100vw - 24px); }
}

@media (max-width: 350px) {
  .brand { font-size: 11px; }
  .brand img { width: 30px; height: 30px; }
  .hero h1 { font-size: 29px; }
  .scene .hud { font-size: 9px; }
  .menu a.m { font-size: 26px; }
}

/* Final viewport audit fixes */
@media (max-width: 760px) {
  /* On short landscape phones, keep the first menu item reachable while scrolling. */
  .menu { align-content: start; }
}
@media (min-width: 420px) and (max-width: 760px) {
  /* Restore the intended two-column certificate layout on medium phones/tablets. */
  .cred { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  .cred .c1, .cred .c2, .cred .c3 { grid-column: auto; margin: 0; }
}


/* E-TRADING mobile composition update
   Layout-only overrides: keep desktop rules, content, assets and interactions unchanged. */
@media (max-width: 760px) {
  /* Certificates become a compact two-card gallery instead of a long stack. */
  .cred {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 14px;
  }
  .cred .c1, .cred .c2, .cred .c3 {
    grid-column: auto;
    margin: 0;
  }

  /* Course cards stay complete, but become a horizontal swipe gallery on phones. */
  .courses {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(84%, 1fr);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0 2px 14px;
    margin-inline: -2px;
  }
  .courses > .course {
    min-width: 0;
    scroll-snap-align: start;
  }
}

@media (min-width: 360px) and (max-width: 760px) {
  /* Founder portrait and biography share the screen without shrinking the text excessively. */
  .founder {
    grid-template-columns: minmax(104px, .72fr) minmax(0, 1.28fr);
    gap: 16px;
    align-items: start;
  }
  .founder .portrait {
    aspect-ratio: 3 / 4;
  }

  /* Short value cards and method stages use compact paired layouts. */
  .vm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
  }
  .stage {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 8px 14px;
    align-items: start;
    padding-block: 22px;
  }
  .stage .n {
    grid-row: span 2;
    align-self: center;
    font-size: clamp(52px, 13vw, 76px);
  }
  .stage h3 {
    font-size: clamp(18px, 4.5vw, 24px);
  }
  .stage p {
    font-size: 14px;
  }
}

@media (min-width: 420px) and (max-width: 760px) {
  /* The community callout uses a split composition on wider phones. */
  .tg {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 18px;
  }
  .tgmark {
    white-space: normal;
    font-size: clamp(30px, 7vw, 48px);
    overflow-wrap: anywhere;
  }
}

@media (min-width: 560px) and (max-width: 760px) {
  /* On large phones / landscape phones, paired content sections regain columns. */
  .hero .grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 18px;
    align-items: center;
  }
  .hero {
    padding-block: 96px 42px;
  }
  .hero h1 {
    font-size: clamp(28px, 5.4vw, 40px);
  }
  .phil {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 20px;
    align-items: start;
  }
  .phil .ar {
    padding-inline-start: 14px;
  }
  .inzo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: stretch;
  }
  .two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .cdetail {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    gap: 20px;
    align-items: start;
  }
  .cdetail .aside {
    position: static;
    padding: 18px;
  }
  .courses {
    grid-auto-columns: minmax(66%, 1fr);
  }
}

@media (min-width: 680px) and (max-width: 760px) {
  /* The calculator form and result panel can sit together on wider tablet-sized screens. */
  .calc {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 18px;
    align-items: start;
  }
  .panel {
    padding: 18px 14px;
  }
}