/* PropArbiter — site styles
   Tokens first (light in :root, dark twice: media query + explicit toggle),
   then base, components, sections, auth, motion. */

:root{
  color-scheme:light;
  --bg:#F3F6F5; --bg-2:#E9EFED; --surface:#FFFFFF; --surface-2:#EEF2F0;
  --ink:#131C1A; --ink-2:#2C3936; --muted:#5B6A66; --line:#D8E0DD; --line-2:#C3CECA;
  --accent:#0E6B63; --accent-ink:#FFFFFF; --accent-soft:#DFEEEB; --accent-line:#B9D5D0;
  --chart-ref:#0A9384; --chart-firm:#B8820F;
  --pass:#1E7A3F; --pass-bg:#E2F1E6; --fail:#B23A30; --fail-bg:#F8E6E3; --warn:#8F6508; --warn-bg:#F5EDDA;
  --hero-ink:#F1F6F4; --hero-muted:#B7C6C1; --hero-accent:#6FD3C7; --hero-accent-ink:#07211E;
  --dark-bg:#0A100F; --dark-surface:#121A19; --dark-line:rgba(255,255,255,.09);
  --shadow:0 1px 2px rgba(19,28,26,.06),0 12px 32px -12px rgba(19,28,26,.18);
  --shadow-lg:0 2px 4px rgba(19,28,26,.05),0 30px 60px -24px rgba(19,28,26,.32);
  --r-s:6px; --r-m:12px; --r-l:20px;
  --font-display:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Source Serif 4",Georgia,"Times New Roman",serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --nav-h:72px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#0B1211; --bg-2:#0F1716; --surface:#131B1A; --surface-2:#192221;
    --ink:#E6EEEB; --ink-2:#C3CFCB; --muted:#8FA09B; --line:#24302E; --line-2:#33413E;
    --accent:#4FC3B7; --accent-ink:#07211E; --accent-soft:#143530; --accent-line:#1F4A45;
    --chart-ref:#1CA497; --chart-firm:#B88A25;
    --pass:#5CC07B; --pass-bg:#16281C; --fail:#E07B6F; --fail-bg:#2E1B18; --warn:#D4A73F; --warn-bg:#2B2413;
    --dark-bg:#070C0B; --dark-surface:#0E1514;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px -12px rgba(0,0,0,.6);
    --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 30px 60px -24px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0B1211; --bg-2:#0F1716; --surface:#131B1A; --surface-2:#192221;
  --ink:#E6EEEB; --ink-2:#C3CFCB; --muted:#8FA09B; --line:#24302E; --line-2:#33413E;
  --accent:#4FC3B7; --accent-ink:#07211E; --accent-soft:#143530; --accent-line:#1F4A45;
  --chart-ref:#1CA497; --chart-firm:#B88A25;
  --pass:#5CC07B; --pass-bg:#16281C; --fail:#E07B6F; --fail-bg:#2E1B18; --warn:#D4A73F; --warn-bg:#2B2413;
  --dark-bg:#070C0B; --dark-surface:#0E1514;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px -12px rgba(0,0,0,.6);
  --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 30px 60px -24px rgba(0,0,0,.7);
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .4s,color .4s}
img{max-width:100%;display:block}
a{color:inherit}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
svg{display:block}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:700;letter-spacing:-.025em;line-height:1.05;text-wrap:balance}
h1,h2,.display{font-stretch:112%}
h1 em,h2 em{font-family:var(--font-body);font-style:italic;font-weight:400;font-stretch:100%;letter-spacing:-.01em;color:var(--accent)}
.container{width:min(1200px,100% - 56px);margin-inline:auto}
@media (max-width:640px){.container{width:min(1200px,100% - 40px)}}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow .n{font-weight:600;padding:3px 8px;border:1px solid var(--accent-line);border-radius:4px;letter-spacing:.08em}
.h2{font-size:clamp(32px,4.4vw,58px);max-width:20ch}
.lead{font-size:clamp(17px,1.35vw,20px);color:var(--muted);max-width:62ch;text-wrap:pretty}
.sec-head{display:grid;gap:20px;margin-bottom:clamp(40px,5vw,64px)}
.mono{font-family:var(--font-mono)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:14.5px;letter-spacing:.01em;padding:14px 22px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);text-decoration:none;position:relative;overflow:hidden;white-space:nowrap;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .25s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow);border-color:var(--accent-line)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.28) 50%,transparent 70%);transform:translateX(-130%);transition:transform .8s var(--ease)}
.btn-primary:hover::after{transform:translateX(130%)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.26);color:var(--hero-ink);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.btn-lg{padding:17px 28px;font-size:15.5px}
.btn-block{width:100%}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}
.hero .btn-primary,.nav:not(.scrolled) .btn-primary{background:var(--hero-accent);color:var(--hero-accent-ink)}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;height:var(--nav-h);display:flex;align-items:center;color:var(--hero-ink);transition:background .35s,border-color .35s,color .35s,box-shadow .35s}
.nav .container{display:flex;align-items:center;gap:22px}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid var(--line);color:var(--ink)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:-.01em;text-decoration:none}
.brand svg{width:26px;height:26px}
.nav-links{display:flex;gap:2px;margin-left:auto;font-family:var(--font-display);font-size:14px;font-weight:500}
.nav-links a{padding:8px 12px;border-radius:999px;white-space:nowrap;text-decoration:none;opacity:.82;transition:background .2s,opacity .2s}
.nav-links a:hover{opacity:1;background:color-mix(in srgb,currentColor 10%,transparent)}
.nav-tools{display:flex;align-items:center;gap:6px}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:999px;border:1px solid transparent;transition:background .2s,border-color .2s}
.icon-btn:hover{background:color-mix(in srgb,currentColor 10%,transparent)}
.icon-btn svg{width:20px;height:20px}
.nav .btn{padding:10px 18px;font-size:13.5px}
.nav .btn-login{background:transparent;border-color:color-mix(in srgb,currentColor 28%,transparent);color:inherit}
.nav .btn-login:hover{border-color:currentColor}
.burger{display:none}
.theme-btn .sun,.theme-btn .moon{position:absolute;transition:transform .45s var(--ease),opacity .3s}
.theme-btn{position:relative}
.theme-btn .moon{opacity:0;transform:rotate(-90deg) scale(.6)}
:root[data-theme="dark"] .theme-btn .moon{opacity:1;transform:none}
:root[data-theme="dark"] .theme-btn .sun{opacity:0;transform:rotate(90deg) scale(.6)}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-btn .moon{opacity:1;transform:none}
  :root:not([data-theme="light"]) .theme-btn .sun{opacity:0;transform:rotate(90deg) scale(.6)}
}
.lang{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 12px 0 10px;border-radius:999px;border:1px solid transparent;font-family:var(--font-mono);font-size:12.5px;font-weight:600;letter-spacing:.06em;transition:background .2s}
.lang-btn:hover{background:color-mix(in srgb,currentColor 10%,transparent)}
.lang-btn svg{width:17px;height:17px}
.lang-list{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;display:none;z-index:70}
.lang.open .lang-list{display:block;animation:pop .2s var(--ease)}
.lang-list button{width:100%;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:9px;font-family:var(--font-display);font-size:14px;font-weight:500;text-align:left}
.lang-list button:hover{background:var(--surface-2)}
.lang-list button[aria-current="true"]{color:var(--accent);font-weight:600}
.lang-list button .code{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted);width:24px}
.lang-list button[aria-current="true"] .code{color:var(--accent)}

/* mobile menu */
.menu-backdrop{position:fixed;inset:0;z-index:54;background:rgba(6,16,15,.5);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s .3s}
body.menu-open .menu-backdrop{opacity:1;visibility:visible;transition:opacity .3s}
.menu{position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:55;background:var(--surface);color:var(--ink);padding:calc(var(--nav-h) + 6px) 22px 22px;display:flex;flex-direction:column;gap:16px;overflow:auto;box-shadow:var(--shadow-lg);border-left:1px solid var(--line);transform:translateX(100%);visibility:hidden;transition:transform .35s var(--ease),visibility 0s .35s}
body.menu-open .menu{transform:none;visibility:visible;transition:transform .35s var(--ease)}
.menu-h{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:-12px}
body.menu-open{overflow:hidden}
body.menu-open .nav{background:var(--bg);color:var(--ink);border-bottom:1px solid var(--line)}
.menu-links{display:grid;gap:4px}
.menu-links a{font-family:var(--font-display);font-stretch:108%;font-weight:700;font-size:19px;letter-spacing:-.015em;text-decoration:none;padding:9px 0;border-bottom:1px solid var(--line)}
.menu-row{display:flex;flex-wrap:wrap;gap:8px}
.menu-row .chip-btn{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;padding:9px 13px;border:1px solid var(--line-2);border-radius:999px}
.menu-row .chip-btn[aria-current="true"]{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.menu-actions{display:grid;gap:10px;margin-top:auto}

/* ---------- hero ---------- */
.hero{position:relative;color:var(--hero-ink);padding:calc(var(--nav-h) + clamp(48px,8vh,96px)) 0 clamp(72px,9vh,112px);overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:-6% 0 0 0;z-index:-2;background:#0A1514 url("hero.jpg") center 30%/cover no-repeat;transform:scale(1.1);will-change:transform}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(6,16,15,.6) 0%,rgba(6,16,15,.4) 45%,rgba(6,16,15,.5) 100%),
  linear-gradient(100deg,rgba(4,22,20,.86) 0%,rgba(4,22,20,.5) 50%,rgba(14,80,74,.32) 100%)}
.hero-grain{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.09;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--hero-accent);margin-bottom:26px}
.hero-kicker::before{content:"";width:28px;height:1px;background:currentColor}
.hero h1{font-size:clamp(42px,6.4vw,88px);color:#fff;max-width:14ch;text-shadow:0 2px 24px rgba(0,0,0,.25)}
.hero h1 em{color:var(--hero-accent)}
.hero-lead{margin-top:26px;font-size:clamp(17px,1.45vw,20.5px);color:var(--hero-muted);max-width:52ch;text-wrap:pretty}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.hero-chips span{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);padding:7px 12px;border-radius:999px;color:#DCE7E3;backdrop-filter:blur(6px)}
.hero .in{animation:in .9s var(--ease) both;animation-delay:calc(var(--d,0)*100ms)}
.hero-scroll{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--hero-muted);display:flex;flex-direction:column;align-items:center;gap:8px;opacity:.8}
.hero-scroll i{width:1px;height:34px;background:linear-gradient(var(--hero-accent),transparent);animation:drip 2.2s infinite}

/* feed monitor (always dark: it sits on the photo) */
.monitor{will-change:transform;background:rgba(9,20,19,.74);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-l);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 40px 90px -30px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.08);overflow:hidden;font-family:var(--font-mono);color:#DCE7E3}
.monitor-head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.monitor-head .sym{color:#8FA09B;font-weight:500}
.monitor-head .live{margin-left:auto;display:flex;align-items:center;gap:8px;color:#8FA09B;text-transform:none;letter-spacing:0;font-size:11px;font-weight:400}
.dot{width:7px;height:7px;border-radius:50%;background:#4FC3B7;box-shadow:0 0 0 0 rgba(79,195,183,.55);animation:pulse 2.2s infinite}
.monitor canvas{display:block;width:100%;height:230px}
.monitor-legend{display:flex;flex-wrap:wrap;gap:8px 20px;padding:12px 18px 0;font-size:11.5px;color:#A9B8B3}
.monitor-legend span{display:inline-flex;align-items:center;gap:8px}
.monitor-legend i{width:18px;height:0;border-top:2.5px solid #1CA497;display:inline-block}
.monitor-legend i.firm{border-top-color:#B88A25;border-top-style:dashed}
.monitor-legend i.band{width:14px;height:12px;border:0;background:rgba(184,138,37,.28);border-radius:2px}
.monitor-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.08);margin-top:12px}
.stat{padding:12px 14px;border-right:1px solid rgba(255,255,255,.08);min-width:0}
.stat:last-child{border-right:0}
.stat .k{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#8FA09B;display:block;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stat .v{font-size:16.5px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums;white-space:nowrap}
.stat .v.warn{color:#E0B14A}
.stat .v.ok{color:#6FD3C7}

/* ---------- tape ---------- */
.tape{border-bottom:1px solid var(--line);background:var(--surface);overflow:hidden;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);position:relative}
.tape::before,.tape::after{content:"";position:absolute;top:0;bottom:0;width:80px;z-index:1;pointer-events:none}
.tape::before{left:0;background:linear-gradient(90deg,var(--surface),transparent)}
.tape::after{right:0;background:linear-gradient(-90deg,var(--surface),transparent)}
.tape-track{display:flex;width:max-content;animation:tape 60s linear infinite}
.tape:hover .tape-track{animation-play-state:paused}
.tape-item{display:inline-flex;align-items:center;gap:12px;padding:14px 26px;border-right:1px solid var(--line);white-space:nowrap}
.tape-item .st{font-family:var(--font-display);font-size:10.5px;font-weight:600;padding:3px 8px;border-radius:4px;letter-spacing:.06em}
.st.pass{color:var(--pass);background:var(--pass-bg)}.st.fail{color:var(--fail);background:var(--fail-bg)}.st.warn{color:var(--warn);background:var(--warn-bg)}.st.na{color:var(--muted);background:var(--surface-2)}

/* ---------- sections ---------- */
.section{padding:clamp(72px,9vw,128px) 0;position:relative}
.section-alt{background:var(--bg-2)}
.section-dark{background:var(--dark-bg);color:#E6EEEB;--bg:var(--dark-bg);--surface:var(--dark-surface);--surface-2:#182120;--ink:#E6EEEB;--ink-2:#C3CFCB;--muted:#8FA09B;--line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.16);--accent:#4FC3B7;--accent-ink:#07211E;--accent-soft:#143530;--accent-line:#1F4A45;--chart-ref:#1CA497;--chart-firm:#B88A25;--pass:#5CC07B;--pass-bg:#16281C;--fail:#E07B6F;--fail-bg:#2E1B18;--warn:#D4A73F;--warn-bg:#2B2413;--shadow-lg:0 2px 4px rgba(0,0,0,.3),0 30px 60px -24px rgba(0,0,0,.7)}
.section-dark .eyebrow{color:#6FD3C7}
.section-dark h2 em{color:#6FD3C7}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:start}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:30px}
.card h3{font-size:21px;margin-bottom:8px}
.card p{color:var(--muted);font-size:16px}
.spot{position:relative;overflow:hidden}
.spot::before{content:"";position:absolute;inset:0;background:radial-gradient(460px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--accent) 16%,transparent),transparent 62%);opacity:0;transition:opacity .45s;pointer-events:none}
.spot:hover::before{opacity:1}
.spot > *{position:relative}
.callout{border-left:3px solid var(--accent);background:var(--accent-soft);padding:20px 24px;border-radius:0 var(--r-m) var(--r-m) 0}
.callout h4{font-size:16.5px;margin-bottom:6px}
.callout p{font-size:16px;color:var(--ink-2)}
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-display);font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;white-space:nowrap}
.pill.pass{color:var(--pass);background:var(--pass-bg)}.pill.fail{color:var(--fail);background:var(--fail-bg)}.pill.warn{color:var(--warn);background:var(--warn-bg)}.pill.na{color:var(--muted);background:var(--surface-2)}.pill.wait{color:var(--muted);background:var(--surface-2)}
.spin{width:10px;height:10px;border:1.5px solid currentColor;border-right-color:transparent;border-radius:50%;animation:rot .8s linear infinite}
.ticks li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:16.5px}
.ticks li svg{flex:0 0 auto;width:20px;height:20px;margin-top:3px;color:var(--pass)}
.big-quote{margin-top:clamp(48px,6vw,80px);padding-top:clamp(32px,4vw,48px);border-top:1px solid var(--line);font-size:clamp(22px,2.6vw,32px);font-style:italic;line-height:1.3;max-width:34ch;text-wrap:pretty;color:var(--ink-2)}
.big-quote::before{content:"“";font-family:var(--font-display);font-stretch:112%;color:var(--accent);font-style:normal;margin-right:4px}

/* leak */
.bleeds{display:grid;gap:0;margin-top:8px}
.bleed{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:26px 0;border-top:1px solid var(--line)}
.bleed .ico{width:48px;height:48px;border-radius:12px;background:var(--fail-bg);color:var(--fail);display:grid;place-items:center}
.bleed .ico svg{width:22px;height:22px}
.bleed h3{font-size:20px;margin-bottom:6px}
.bleed p{color:var(--muted);font-size:16px}
.calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:30px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.calc::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--fail) 14%,transparent),transparent 70%);pointer-events:none}
.calc-title{font-family:var(--font-display);font-weight:600;font-size:19px}
.calc-note{font-size:14.5px;color:var(--muted);margin-top:4px}
.calc-row{margin-top:22px}
.calc-row label{display:flex;justify-content:space-between;gap:12px;font-family:var(--font-display);font-size:13.5px;font-weight:500;margin-bottom:8px}
.calc-row output{font-family:var(--font-mono);font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:28px;margin:0;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(90deg,var(--accent) var(--p,50%),var(--line-2) var(--p,50%))}
input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:var(--line-2)}
input[type=range]::-moz-range-progress{height:4px;border-radius:2px;background:var(--accent)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--surface);border:2px solid var(--accent);margin-top:-8px;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:transform .2s}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--surface);border:2px solid var(--accent);box-shadow:0 2px 6px rgba(0,0,0,.2)}
input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.12)}
.calc-result{margin-top:26px;padding-top:22px;border-top:1px dashed var(--line-2)}
.calc-big{font-family:var(--font-display);font-stretch:112%;font-weight:700;font-size:clamp(40px,4.8vw,58px);letter-spacing:-.035em;line-height:1;color:var(--fail);font-variant-numeric:tabular-nums}
.calc-sub{font-size:15.5px;color:var(--muted);margin-top:10px}
.calc-meta{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:16px;font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.calc-meta b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

/* how */
.fields{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:26px}
.field{border:1.5px solid var(--accent-line);background:var(--surface);border-radius:var(--r-m);padding:16px 18px;position:relative;overflow:hidden}
.field::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--accent),transparent)}
.field .lab{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.field .val{font-family:var(--font-mono);font-size:19px;font-weight:500;letter-spacing:.02em}
.field .note{font-size:14px;color:var(--muted);margin-top:6px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:clamp(36px,5vw,56px);position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:19px;height:1px;background:var(--line)}
.step{position:relative;padding-top:56px}
.step-n{position:absolute;top:0;left:0;width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-family:var(--font-mono);font-weight:600;font-size:14px;display:grid;place-items:center;box-shadow:0 0 0 6px var(--bg)}
.step h3{font-size:22px;margin-bottom:8px}
.step p{color:var(--muted);font-size:16px}
.how-foot{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;margin-top:clamp(36px,5vw,56px);align-items:start}
.platforms{font-family:var(--font-mono);font-size:12.5px;line-height:1.7;color:var(--muted);padding:18px 0;border-top:1px solid var(--line)}
.platforms b{color:var(--ink);font-weight:600}

/* checks */
.checks-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tags span{font-family:var(--font-display);font-size:14px;font-weight:500;padding:9px 13px;border:1px solid var(--line);border-radius:9px;background:var(--surface-2);display:inline-flex;align-items:center;gap:8px}
.tags span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.tags span.hot{border-color:color-mix(in srgb,var(--warn) 45%,transparent);background:var(--warn-bg);color:var(--warn)}
.tags span.hot::before{background:var(--warn)}
.checks-foot{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px;align-items:stretch}
.undecidable{display:flex;align-items:center;padding:30px}
.undecidable p{font-size:clamp(19px,2vw,23px);font-style:italic;line-height:1.35;color:var(--ink-2);text-wrap:pretty;margin:0}
.undecidable p em{font-style:normal;font-family:var(--font-display);font-weight:600;color:var(--accent);border-bottom:2px dashed var(--accent-line)}

/* arbitrage */
.arb-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(18px,3vw,36px);overflow:hidden}
.arb-panel .ref{stroke:var(--chart-ref)}
.arb-panel .firm{stroke:var(--chart-firm)}
.arb-panel .draw{stroke-dasharray:1400;stroke-dashoffset:1400}
.arb-panel.in .draw{animation:draw 2.4s var(--ease) forwards}
.arb-panel .band{fill:var(--warn-bg);opacity:.9}
.arb-panel .t{fill:var(--muted);font-size:14px}
.arb-panel .t-ref{fill:var(--chart-ref);font-weight:600;font-size:15px}
.arb-panel .t-firm{fill:var(--chart-firm);font-weight:600;font-size:15px}
.arb-panel .t-warn{fill:var(--warn);font-weight:700;font-size:13.5px;letter-spacing:.08em}
.arb-panel .t-fail{fill:var(--fail);font-weight:700;font-size:16px}
.arb-panel .t-dim{fill:var(--muted);font-size:13px}
.arb-panel .entry{fill:var(--fail)}
.arb-panel .ring{fill:none;stroke:var(--fail);opacity:0}
.arb-panel.in .ring{animation:ring 2s 2.2s infinite}
.arb-points{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.arb-points .card h3{font-size:19px;display:flex;align-items:center;gap:10px}
.arb-points .card h3 svg{width:22px;height:22px;color:var(--accent);flex:0 0 auto}
.arb-note{margin-top:22px;font-family:var(--font-mono);font-size:12.5px;line-height:1.7;color:var(--muted);padding:16px 20px;border:1px dashed var(--line-2);border-radius:var(--r-m)}

/* report */
.report{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--shadow-lg);overflow:hidden;font-family:var(--font-display)}
.report-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap}
.report-head .t{font-weight:700;font-size:17px;letter-spacing:-.01em}
.report-head .acc{font-family:var(--font-mono);font-size:12.5px;color:var(--muted);margin-top:4px}
.report-head .meta{margin-left:auto;text-align:right;font-family:var(--font-mono);font-size:11.5px;line-height:1.7;color:var(--muted)}
.report-head .meta b{color:var(--ink);font-weight:500}
.rrow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;border-top:1px solid var(--line);font-size:15px}
.rrow:first-of-type{border-top:0}
.rrow .rn{display:flex;flex-direction:column;gap:3px;min-width:0}
.rrow .src{font-family:var(--font-body);font-style:italic;font-size:13.5px;color:var(--muted);display:none}
.rrow.show-src .src{display:block}
.rrow .pill{min-width:92px;justify-content:center;transition:transform .3s var(--ease)}
.rrow .pill.stamp{animation:stamp .45s var(--ease)}
.verify{background:#0F1B19;color:#D9E6E2;padding:16px 24px;font-family:var(--font-mono);display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center}
.verify .k{font-size:10.5px;color:#7FA098;letter-spacing:.12em;text-transform:uppercase}
.verify .u{font-size:13.5px;color:#8FD3C8;word-break:break-all}
.verify .h{font-size:11px;color:#9FB2AD;grid-column:1/-1;word-break:break-all}
.verify .badge{font-family:var(--font-display);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:6px;background:rgba(92,192,123,.18);color:#7ED89A;grid-row:1/3}
.rules-card{margin-top:26px}
.rules-card h3{font-size:19px;margin-bottom:8px}

/* trust */
.trust{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:var(--surface)}
.trust-item{padding:30px 28px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item h3{font-size:17.5px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.trust-item h3 svg{width:18px;height:18px;color:var(--accent)}
.trust-item p{font-size:15px;color:var(--muted)}
.trust-h{font-size:clamp(26px,3vw,36px);margin-bottom:28px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:32px 28px;display:flex;flex-direction:column;gap:18px;position:relative;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent-line)}
.plan.featured{border-color:var(--accent);box-shadow:var(--shadow-lg)}
.plan-badge{position:absolute;top:18px;right:20px;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:var(--accent);color:var(--accent-ink);padding:5px 10px;border-radius:6px}
.plan-name{font-size:22px}
.plan-for{font-size:15px;color:var(--muted);margin-top:-8px}
.plan-price{font-family:var(--font-display);font-stretch:112%;font-weight:700;font-size:36px;letter-spacing:-.03em;line-height:1;display:flex;align-items:baseline;gap:10px;padding:6px 0 4px}
.plan-price small{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.plan-feats{display:grid;gap:10px;font-family:var(--font-body);font-size:15.5px;flex:1}
.plan-feats li{display:flex;gap:10px;align-items:flex-start}
.plan-feats li svg{width:18px;height:18px;flex:0 0 auto;color:var(--accent);margin-top:2px}
.plan .btn{margin-top:auto}
.incl{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:center;margin-top:30px;font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.incl b{font-weight:600;color:var(--ink);letter-spacing:.06em;text-transform:uppercase;font-size:11px}
.incl span{display:inline-flex;align-items:center;gap:8px}
.incl span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.trader-note{margin-top:28px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.trader-note p{font-size:16px;color:var(--ink-2)}

/* faq */
.faq{max-width:840px;margin-inline:auto;border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-family:var(--font-display);font-size:18px;font-weight:600;text-align:left;letter-spacing:-.01em}
.faq-q .plus{flex:0 0 auto;width:30px;height:30px;border:1px solid var(--line-2);border-radius:50%;display:grid;place-items:center;transform:rotate(45deg);transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s}
.faq-q .plus svg{width:14px;height:14px}
.faq-item.open .plus{transform:rotate(0deg);background:var(--accent);color:var(--accent-ink);border-color:transparent}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s var(--ease)}
.faq-a > div{overflow:hidden}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a p{padding:0 48px 26px 0;color:var(--muted);font-size:16.5px;max-width:66ch}

/* quote form */
.quote-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,72px);align-items:start}
.contact-line{margin-top:28px;font-family:var(--font-mono);font-size:13px;color:var(--muted);line-height:1.8}
.contact-line a{color:var(--accent);text-decoration:none;font-weight:600}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(22px,3vw,34px);box-shadow:var(--shadow-lg)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f{display:flex;flex-direction:column;gap:6px;min-width:0}
.f.full{grid-column:1/-1}
.f label{font-family:var(--font-display);font-size:13px;font-weight:600;letter-spacing:.01em}
.f input,.f select,.f textarea{font-family:var(--font-display);font-size:15px;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;background:var(--bg);color:var(--ink);width:100%;transition:border-color .2s,box-shadow .2s}
.f textarea{min-height:96px;resize:vertical}
.f select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237c8b87' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 12px center;padding-right:38px}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.f .err{font-family:var(--font-display);font-size:12.5px;color:var(--fail);display:none}
.f.invalid input,.f.invalid select{border-color:var(--fail)}
.f.invalid .err{display:block}
.form-foot{margin-top:18px;display:grid;gap:12px}
.form-privacy{font-size:13.5px;color:var(--muted);text-align:center}
.form-sent{display:none;padding:28px;text-align:center;font-size:17px;line-height:1.5}
.form-sent svg{width:44px;height:44px;color:var(--pass);margin:0 auto 14px}
.form.sent form{display:none}
.form.sent .form-sent{display:block}

/* footer */
.footer{border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 32px;background:var(--bg-2)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-family:var(--font-mono);font-size:12.5px;color:var(--muted);max-width:32ch;line-height:1.7}
.foot-col h4{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.foot-col a{display:block;font-family:var(--font-display);font-size:14.5px;text-decoration:none;padding:5px 0;color:var(--ink-2);transition:color .2s}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:12px;color:var(--muted)}

/* ---------- auth ---------- */
body.is-auth .site,body.is-auth .nav,body.is-auth .menu{display:none}
.auth{display:none;min-height:100vh;min-height:100svh}
body.is-auth .auth{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.auth-side{position:relative;background:#0A1514 url("auth.jpg") center/cover no-repeat;color:#F1F6F4;padding:36px 40px;display:flex;flex-direction:column;isolation:isolate;overflow:hidden}
.auth-side::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(165deg,rgba(6,20,19,.9) 0%,rgba(6,20,19,.66) 55%,rgba(14,80,74,.5) 100%)}
.auth-side .brand{color:#fff}
.auth-side .aq{margin-top:auto;font-family:var(--font-body);font-style:italic;font-size:clamp(22px,2.3vw,30px);line-height:1.3;max-width:22ch;color:#EAF2EF;text-wrap:pretty}
.auth-side .aq::before{content:"“";font-family:var(--font-display);font-style:normal;color:var(--hero-accent)}
.auth-side .achips{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.auth-side .achips span{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);padding:7px 12px;border-radius:999px;color:#DCE7E3}
.auth-main{display:flex;flex-direction:column;padding:22px clamp(24px,6vw,96px) 48px;background:var(--bg)}
.auth-top{display:flex;align-items:center;gap:6px}
.auth-top .back{margin-right:auto;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:14px;font-weight:500;text-decoration:none;color:var(--muted);padding:8px 10px 8px 4px;border-radius:999px}
.auth-top .back:hover{color:var(--ink)}
.auth-top .back svg{width:18px;height:18px}
.auth-card{max-width:440px;width:100%;margin:auto;padding:36px 0 24px}
.auth-card h1{font-size:clamp(30px,3.4vw,42px);margin-bottom:10px}
.auth-card .sub{color:var(--muted);margin-bottom:28px;font-size:16px;text-wrap:pretty}
.auth-view{display:none}
.auth-view.active{display:block;animation:in .5s var(--ease)}
.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:20px}
.seg button{padding:10px;border-radius:9px;font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--muted);transition:background .25s,color .25s,box-shadow .25s}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.auth-card .f + .f{margin-top:14px}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:46px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:34px;height:34px;display:grid;place-items:center;color:var(--muted);border-radius:8px}
.pw-toggle:hover{color:var(--ink);background:var(--surface-2)}
.pw-toggle svg{width:18px;height:18px}
.strength{display:flex;align-items:center;gap:5px;margin-top:8px}
.strength i{height:4px;flex:1;background:var(--line);border-radius:2px;transition:background .3s}
.strength[data-level="1"] i:nth-child(1){background:var(--fail)}
.strength[data-level="2"] i:nth-child(-n+2){background:var(--warn)}
.strength[data-level="3"] i:nth-child(-n+3){background:var(--pass)}
.strength .strength-t{font-family:var(--font-mono);font-size:11px;color:var(--muted);margin-left:8px;min-width:64px;text-align:right}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted);margin-top:16px}
.check input{margin:4px 0 0;accent-color:var(--accent);width:16px;height:16px;flex:0 0 auto}
.check a{color:var(--accent);text-decoration:none;font-weight:600;font-family:var(--font-display)}
.auth-row{display:flex;justify-content:space-between;align-items:center;font-size:14.5px;margin-top:16px}
.auth-row a{color:var(--accent);text-decoration:none;font-weight:600;font-family:var(--font-display);font-size:14px}
.auth-card .btn-block{margin-top:22px}
.or{display:flex;align-items:center;gap:14px;color:var(--muted);font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;margin:22px 0}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-foot{margin-top:26px;font-size:15px;color:var(--muted);text-align:center}
.auth-foot a{color:var(--accent);font-weight:600;font-family:var(--font-display);text-decoration:none}
.auth-msg{display:none;padding:14px 16px;border-radius:10px;background:var(--pass-bg);color:var(--pass);font-family:var(--font-display);font-size:14px;margin-top:16px}
.auth-msg.show{display:block}

/* ---------- misc ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);opacity:0;background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:12px;font-family:var(--font-display);font-size:14px;box-shadow:var(--shadow-lg);transition:opacity .35s,transform .35s var(--ease);z-index:100;max-width:calc(100% - 40px);text-align:center;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- motion ---------- */
.rv{transition:opacity .9s var(--ease),transform .9s var(--ease)}
.pre{opacity:.001;transform:translateY(22px)}
.rv.in{opacity:1;transform:none}
@keyframes in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(-6px) scale(.98)}to{opacity:1;transform:none}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(79,195,183,.55)}70%{box-shadow:0 0 0 9px rgba(79,195,183,0)}100%{box-shadow:0 0 0 0 rgba(79,195,183,0)}}
@keyframes rot{to{transform:rotate(360deg)}}
@keyframes tape{to{transform:translateX(-50%)}}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes ring{0%{opacity:.7;r:8}100%{opacity:0;r:26}}
@keyframes stamp{0%{transform:scale(1.35);opacity:0}60%{transform:scale(.96);opacity:1}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .pre{opacity:1;transform:none}
  .tape-track{animation:none}
  .arb-panel .draw{stroke-dashoffset:0}
}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .trust{grid-template-columns:1fr 1fr}
  .trust-item:nth-child(2){border-right:0}
  .trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .hero h1{max-width:16ch}
  .grid-2,.quote-grid,.checks-grid,.checks-foot,.how-foot{grid-template-columns:1fr}
  .arb-points{grid-template-columns:1fr}
  .arb-points .card{padding:24px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (min-width:961px){.menu,.menu-backdrop{display:none}}
@media (max-width:960px){
  .nav-links,.nav .btn-login,.nav .btn-quote{display:none}
  .nav-tools{margin-left:auto;gap:2px}
  .burger{display:grid}
  .nav .container{gap:12px}
  .lang-btn{padding:0 8px 0 8px}
}
@media (max-width:360px){.nav .lang-btn > span{display:none}.nav .lang-btn{padding:0 9px}}
@media (max-width:900px){
  body.is-auth .auth{grid-template-columns:1fr}
  .auth-side{min-height:0;padding:22px 24px 26px}
  .auth-side .aq{font-size:19px;margin-top:22px;max-width:none}
  .auth-side .achips{display:none}
  .auth-card{padding-top:24px}
}
@media (max-width:768px){
  .fields,.steps,.plans{grid-template-columns:1fr}
  .steps::before{display:none}
  .steps{gap:22px}
  .step{padding-top:0;padding-left:58px}
  .plan.featured{transform:none}
  .fgrid{grid-template-columns:1fr}
  .trader-note{grid-template-columns:1fr}
  .monitor-stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.08)}
  .monitor canvas{height:190px}
  .report-head .meta{margin-left:0;text-align:left;width:100%}
  .rrow{padding:13px 18px}
  .verify{grid-template-columns:1fr}
  .verify .badge{grid-row:auto;justify-self:start}
  .hero-scroll{display:none}
  .faq-a p{padding-right:0}
  .trust{grid-template-columns:1fr}
  .trust-item{border-right:0;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:0}
}
@media (max-width:480px){
  .hero-actions .btn{width:100%}
  .calc{padding:22px}
  .card{padding:22px}
  .foot-grid{grid-template-columns:1fr}
}

/* ---------- late additions ---------- */
[hidden]{display:none!important}
.arb-panel .wipe{transform:scaleX(0);transform-origin:0 0;transition:transform 2.2s var(--ease)}
.arb-panel.in .wipe{transform:scaleX(1)}
.arb-panel .lbl{opacity:0;transition:opacity .6s 1.6s}
.arb-panel.in .lbl{opacity:1}
@media (prefers-reduced-motion:reduce){.arb-panel .wipe{transform:none}.arb-panel .lbl{opacity:1}}
.pw-toggle .off{display:none}.pw-toggle.on .off{display:block}.pw-toggle.on .onn{display:none}
.burger .x{display:none}body.menu-open .burger .x{display:block}body.menu-open .burger .bars{display:none}

@media (max-width:1220px){.nav-links a{padding:8px 9px;font-size:13.5px}.nav .container{gap:14px}}

.hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden;opacity:0}

/* ---------- logo colours ---------- */
.brand{--logo-bg:var(--accent);--logo-fg:var(--accent-ink)}
.nav:not(.scrolled) .brand,.auth-side .brand{--logo-bg:var(--hero-accent);--logo-fg:var(--hero-accent-ink)}
body.menu-open .nav .brand{--logo-bg:var(--accent);--logo-fg:var(--accent-ink)}
.brand svg{width:27px;height:27px;flex:0 0 auto}

/* ---------- arbitrage replay panel ---------- */
.arb-panel{padding:0}
.arb-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.arb-title{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:16px}
.arb-sub{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);margin-top:4px;letter-spacing:.02em}
.arb-replay{padding:9px 14px;font-size:13px;background:var(--surface-2)}
.arb-chart{padding:14px 10px 4px;min-height:200px}
.arb-svg{display:block;width:100%;height:auto;font-family:var(--font-mono);overflow:visible}
.arb-svg .arb-grid{stroke:var(--line);stroke-width:1}
.arb-svg .arb-ax{fill:var(--muted);font-size:10.5px;font-variant-numeric:tabular-nums}
.arb-svg .arb-ref{fill:none;stroke:var(--chart-ref);stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}
.arb-svg .arb-firm{fill:none;stroke:var(--chart-firm);stroke-width:2;stroke-dasharray:6 5;stroke-linejoin:round;stroke-linecap:round}
.arb-svg .arb-lg{fill:var(--ink-2);font-family:var(--font-display);font-size:12px;font-weight:500}
.arb-svg .arb-band{fill:var(--warn);fill-opacity:.14}
.arb-svg .arb-warn{fill:var(--warn);font-size:10.5px;font-weight:600;letter-spacing:.08em}
.arb-svg .arb-dim{stroke:var(--ink-2);stroke-width:1.2;fill:none;opacity:.7}
.arb-svg .arb-base{stroke:var(--fail);stroke-width:1.2;stroke-dasharray:2 4;opacity:.7}
.arb-svg .arb-known{fill:var(--accent);font-family:var(--font-display);font-size:12px;font-weight:600}
.arb-svg .arb-entry{fill:var(--fail);stroke:var(--surface);stroke-width:2.5}
.arb-svg .arb-exit{fill:var(--pass);stroke:var(--surface);stroke-width:2.5}
.arb-svg .arb-fail{fill:var(--fail);font-family:var(--font-display);font-size:12px;font-weight:700}
.arb-svg .arb-pass{fill:var(--pass);font-family:var(--font-display);font-size:12px;font-weight:700}
.arb-svg .arb-note{fill:var(--muted);font-size:10.5px}
.arb-svg [data-stage]{opacity:0;transition:opacity .55s var(--ease)}
.arb-panel.s2 [data-stage="2"],.arb-panel.s3 [data-stage="3"],.arb-panel.s4 [data-stage="4"],.arb-panel.s5 [data-stage="5"],.arb-panel.s6 [data-stage="6"]{opacity:1}
.arb-ev{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.arb-ev .tile{padding:16px 20px;border-right:1px solid var(--line);opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.arb-ev .tile:nth-child(2){transition-delay:.12s}.arb-ev .tile:nth-child(3){transition-delay:.24s;border-right:0}.arb-ev .tile.wide{transition-delay:.36s;grid-column:1/-1;border-right:0;border-top:1px solid var(--line);position:relative}
.arb-panel.s7 .arb-ev .tile{opacity:1;transform:none}
.arb-ev .k{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.arb-ev .v{font-family:var(--font-display);font-stretch:108%;font-weight:700;font-size:24px;letter-spacing:-.02em;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.arb-ev .v.warn{color:var(--warn)}.arb-ev .v.fail{color:var(--fail)}.arb-ev .v.ok{color:var(--pass)}
.arb-ev .v small{font-family:var(--font-body);font-weight:400;font-size:14.5px;letter-spacing:0;color:var(--muted);font-stretch:100%}
.arb-ev .rug{margin-top:12px;height:34px}
.arb-ev .rug svg{display:block;width:100%;height:34px}
.arb-ev .rug line{stroke:var(--line-2);stroke-width:1.5;vector-effect:non-scaling-stroke;opacity:0;transition:opacity .35s var(--ease);transition-delay:calc(var(--i)*5ms)}
.arb-ev .rug line.hot{stroke:var(--warn);stroke-width:2.5}
.arb-panel.s7 .arb-ev .rug line{opacity:1}
.arb-verdict{position:absolute;top:16px;right:20px}
@media (max-width:640px){
  .arb-ev{grid-template-columns:1fr 1fr}
  .arb-ev .tile:nth-child(2){border-right:0}
  .arb-ev .tile:nth-child(3){border-top:1px solid var(--line);grid-column:1/-1}
  .arb-ev .v{font-size:21px}
  .arb-verdict{position:static;margin-top:12px;display:inline-flex}
  .arb-chart{padding:10px 4px 0}
}
@media (prefers-reduced-motion:reduce){.arb-svg [data-stage],.arb-ev .tile,.arb-ev .rug line{opacity:1;transform:none;transition:none}}

/* ---------- back to top ---------- */
.totop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);box-shadow:var(--shadow-lg);display:grid;place-items:center;opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .35s var(--ease),transform .35s var(--ease),background .2s,color .2s;z-index:50}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{background:var(--accent);color:var(--accent-ink);border-color:transparent}
body.is-auth .totop,body.menu-open .totop{display:none}
@media (max-width:640px){.totop{right:14px;bottom:14px;width:42px;height:42px}}

.arb-legend{display:flex;flex-wrap:wrap;gap:8px 22px;padding:14px 22px 0;font-family:var(--font-display);font-size:12.5px;font-weight:500;color:var(--ink-2)}
.arb-legend span{display:inline-flex;align-items:center;gap:9px}
.arb-legend i{width:22px;height:0;border-top:2.5px solid var(--chart-ref)}
.arb-legend i.firm{border-top:2px dashed var(--chart-firm)}

/* ---------- auth: fit the screen on desktop ---------- */
@media (min-width:901px){
  body.is-auth .auth{height:100vh;height:100svh;overflow:hidden}
  .auth-main{overflow:auto;padding:18px clamp(24px,5vw,80px) 24px}
  .auth-card{padding:14px 0 10px}
  .auth-card h1{font-size:clamp(26px,3vw,34px);margin-bottom:6px}
  .auth-card .sub{margin-bottom:16px;font-size:15px}
  .auth-card .f + .f{margin-top:10px}
  .auth-card .f input{padding:10px 12px}
  .seg{margin-bottom:14px}.seg button{padding:8px}
  .auth-card .btn-block{margin-top:14px;padding:13px 22px}
  .auth-foot{margin-top:14px;font-size:14px}
  .check{margin-top:12px}.auth-row{margin-top:12px}
  .strength{margin-top:6px}
}
@media (min-width:901px) and (max-height:720px){
  .auth-card h1{font-size:24px}.auth-card .sub{margin-bottom:10px;font-size:14px}
  .auth-card .f + .f{margin-top:7px}.auth-card .f input{padding:8px 11px}.auth-card .f label{font-size:12.5px}
  .auth-card .btn-block{margin-top:10px;padding:11px 20px}.auth-foot{margin-top:10px}.check{margin-top:9px}.auth-row{margin-top:9px}
  .auth-side .aq{font-size:19px}
}

/* ---------- scrollbar ---------- */
html{scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:99px;border:3px solid var(--bg);background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:var(--accent);background-clip:padding-box}
.auth-main::-webkit-scrollbar-thumb{border-color:var(--bg)}

/* ---------- multi-page: nav without a hero, page headers, links ---------- */
body.no-hero .nav{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid var(--line);color:var(--ink)}
body.no-hero .nav .brand,body.no-hero .nav .btn-primary{--logo-bg:var(--accent);--logo-fg:var(--accent-ink)}
body.no-hero .nav .btn-primary{background:var(--accent);color:var(--accent-ink)}
.page-hero{padding:calc(var(--nav-h) + clamp(40px,7vw,80px)) 0 clamp(28px,4vw,48px)}
.page-hero .container{display:grid;gap:18px}
.page-hero .page-h1{font-size:clamp(34px,5vw,66px);max-width:18ch;overflow-wrap:anywhere;hyphens:auto}
.page-hero + .section{padding-top:clamp(24px,4vw,48px)}
.more{margin-top:28px}
.more a{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--accent);text-decoration:none;display:inline-flex;align-items:center;gap:8px;border-bottom:1.5px solid transparent;transition:border-color .2s,gap .2s}
.more a::after{content:"→";transition:transform .25s var(--ease)}
.more a:hover{border-bottom-color:var(--accent)}
.more a:hover::after{transform:translateX(4px)}
.more-light a{color:#6FD3C7}
.more-light a:hover{border-bottom-color:#6FD3C7}

/* ---------- long-form pages ---------- */
.page{padding:calc(var(--nav-h) + clamp(40px,7vw,80px)) 0 clamp(64px,8vw,112px)}
.page p,.page ul{max-width:76ch}
.page-wrap{width:min(1200px,100% - 56px);margin-inline:auto}
.page-head{display:grid;gap:18px;margin-bottom:40px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.page-head .lead{max-width:62ch}
.page-head h1{font-size:clamp(34px,5vw,66px);max-width:18ch;overflow-wrap:anywhere;hyphens:auto}
.page-meta{font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:.04em}
.page-toc{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:baseline;font-family:var(--font-display);font-size:13.5px;margin-bottom:36px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.page-toc b{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-right:6px}
.page-toc a{color:var(--accent);text-decoration:none}
.page-toc a:hover{text-decoration:underline}
.page section{margin-bottom:38px;scroll-margin-top:calc(var(--nav-h) + 20px)}
.page h2{font-size:23px;margin-bottom:12px}
.page p{margin-bottom:12px;color:var(--ink-2);text-wrap:pretty}
.page ul{padding-left:22px;list-style:disc;display:grid;gap:9px;color:var(--ink-2);margin-bottom:12px}
.page li{padding-left:4px}
.page a{color:var(--accent)}
.page b{color:var(--ink);font-family:var(--font-display);font-weight:600;font-size:.95em}
.page-form{margin-top:12px}
.page-form h2{margin-bottom:18px}
@media (max-width:640px){.page-wrap{width:min(1200px,100% - 40px)}}

/* ---------- language offer ---------- */
.langbar{position:fixed;left:50%;bottom:22px;transform:translate(-50%,0);z-index:52;display:flex;align-items:center;gap:12px;padding:10px 12px 10px 16px;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);border-radius:14px;box-shadow:var(--shadow-lg);font-family:var(--font-display);font-size:14px;max-width:calc(100% - 100px);animation:pop .3s var(--ease)}
.langbar .btn{padding:8px 14px;font-size:13px}
.langbar .icon-btn{width:32px;height:32px;color:var(--muted)}
.langbar .icon-btn svg{width:16px;height:16px}
@media (max-width:640px){.langbar{left:14px;right:14px;transform:none;max-width:none;flex-wrap:wrap}body.has-langbar .totop{bottom:96px}}

/* ---------- back to top, with scroll progress ---------- */
.totop{width:50px;height:50px;background:var(--surface);color:var(--ink);border:0;box-shadow:var(--shadow-lg)}
.totop .ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.totop .track{fill:none;stroke:var(--line);stroke-width:2.5}
.totop .bar{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:131.95;stroke-dashoffset:calc(131.95 * (1 - var(--p,0)));transition:stroke-dashoffset .12s linear}
.totop .arrow{position:relative;transition:transform .25s var(--ease)}
.totop:hover{background:var(--surface);color:var(--accent)}
.totop:hover .arrow{transform:translateY(-2px)}

.h2,.hero h1{overflow-wrap:anywhere}
.page h2{overflow-wrap:anywhere;hyphens:auto}

.page-form .form{max-width:760px}
.page-toc{max-width:76ch}

/* ---------- FAQ: grouped, open answers, sticky topics, search ---------- */
.faq-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.faq-side{position:sticky;top:calc(var(--nav-h) + 24px);display:grid;gap:18px}
.faq-search{display:flex;align-items:center;gap:10px;padding:0 14px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);color:var(--muted);transition:border-color .2s,box-shadow .2s}
.faq-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.faq-search input{flex:1;min-width:0;border:0;background:transparent;padding:12px 0;font-family:var(--font-display);font-size:14.5px;color:var(--ink);outline:none}
.faq-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.faq-topics{display:grid;gap:2px}
.faq-topics-h{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:6px 12px 8px}
.faq-topics a{font-family:var(--font-display);font-size:14.5px;font-weight:500;color:var(--ink-2);text-decoration:none;padding:9px 12px;border-radius:9px;border-left:2px solid transparent;transition:background .2s,color .2s,border-color .2s}
.faq-topics a:hover{background:var(--surface-2);color:var(--ink)}
.faq-topics a.active{color:var(--accent);background:var(--accent-soft);border-left-color:var(--accent);border-radius:0 9px 9px 0}
.faq-main{display:grid;gap:clamp(28px,4vw,44px);min-width:0}
.faq-group{scroll-margin-top:calc(var(--nav-h) + 24px);display:grid;gap:12px}
.faq-group h2{font-size:15px;font-family:var(--font-mono);font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:4px}
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:24px 26px;scroll-margin-top:calc(var(--nav-h) + 24px)}
.faq-card h3{font-size:19px;margin-bottom:10px;text-wrap:pretty}
.faq-card p{color:var(--ink-2);font-size:16.5px;max-width:70ch}
.faq-card mark{background:var(--warn-bg);color:inherit;border-radius:3px;padding:0 2px}
.faq-empty{color:var(--muted);font-size:16.5px;padding:24px;border:1px dashed var(--line-2);border-radius:var(--r-m)}
@media (max-width:900px){
  .faq-layout{grid-template-columns:1fr;gap:20px}
  .faq-side{position:static;gap:12px}
  .faq-topics{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .faq-topics::-webkit-scrollbar{display:none}
  .faq-topics-h{display:none}
  .faq-topics a{white-space:nowrap;border:1px solid var(--line-2);border-radius:999px;padding:8px 14px;font-size:13.5px}
  .faq-topics a.active{border-radius:999px;border-color:transparent;background:var(--accent);color:var(--accent-ink)}
  .faq-card{padding:20px}
}

.menu-actions{gap:8px}
.menu-actions .btn{padding:12px 20px;font-size:14px}

/* ---------- custom dropdowns (selects) ---------- */
.dd{position:relative}
.dd select{position:absolute;left:0;bottom:0;width:1px;height:1px;opacity:0;pointer-events:none;margin:0;padding:0;border:0}
.dd-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;font-family:var(--font-display);font-size:15px;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;background:var(--bg);color:var(--ink);text-align:left;cursor:pointer;transition:border-color .2s,box-shadow .2s}
.dd-btn svg{width:16px;height:16px;color:var(--muted);flex:0 0 auto;transition:transform .25s var(--ease)}
.dd-btn:focus-visible,.dd.open .dd-btn{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.f.invalid .dd-btn{border-color:var(--fail)}
.dd-list{position:absolute;left:0;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;display:none;z-index:45;max-height:280px;overflow:auto}
.dd.open .dd-list{display:block;animation:pop .2s var(--ease)}
.dd-list [role="option"]{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:9px;font-family:var(--font-display);font-size:14.5px;font-weight:500;cursor:pointer;color:var(--ink)}
.dd-list [role="option"]:hover,.dd-list [role="option"].focus{background:var(--surface-2)}
.dd-list [role="option"][aria-selected="true"]{color:var(--accent);font-weight:600}
.dd-list [role="option"][aria-selected="true"]::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* ---------- short screens: drawer ---------- */
@media (max-width:960px) and (max-height:620px){.menu-links a{font-size:17px;padding:7px 0}.menu{gap:12px}.menu-actions .btn{padding:10px 18px}}

/* ---------- auth on phones: brand strip + compact form, no page scroll ---------- */
@media (max-width:900px){
  body.is-auth .auth{height:100vh;height:100svh;overflow:hidden;grid-template-rows:auto minmax(0,1fr)}
  .auth-side{min-height:0;padding:12px 20px;flex-direction:row;align-items:center;justify-content:space-between}
  .auth-side .aq,.auth-side .achips{display:none}
  .auth-main{overflow:auto;padding:8px 20px 14px;-webkit-overflow-scrolling:touch}
  .auth-top .back{font-size:13px;padding:6px 8px 6px 2px}
  .auth-card{padding:8px 0 0;margin:0 auto}
  .auth-card h1{font-size:24px;margin-bottom:4px}
  .auth-card .sub{font-size:13.5px;margin-bottom:12px}
  .seg{margin-bottom:10px}.seg button{padding:7px;font-size:13px}
  .auth-card .f + .f{margin-top:8px}
  .auth-card .f label{font-size:12px}
  .auth-card .f input{padding:9px 12px;font-size:14px}
  .pw-wrap input{padding-right:40px}
  .strength{margin-top:5px}.strength i{height:3px}
  .check{margin-top:9px;font-size:13px}
  .auth-row{margin-top:8px;font-size:13px}
  .auth-card .btn-block{margin-top:10px;padding:11px 20px;font-size:14px}
  .auth-foot{margin-top:10px;font-size:13.5px}
  .auth-msg{margin-top:10px;padding:10px 12px;font-size:13px}
}
@media (max-width:900px) and (max-height:600px){
  .auth-card h1{font-size:21px}.auth-card .sub{display:none}.auth-card .f + .f{margin-top:6px}.auth-card .f input{padding:8px 11px}.auth-card .btn-block{margin-top:8px;padding:10px 18px}
}
@media (max-width:900px) and (max-height:720px){
  .auth-side{padding:8px 20px}
  #viewSignup .sub{display:none}
  .auth-card h1{font-size:22px;margin-bottom:6px}
  .seg{margin-bottom:8px}
  .auth-card .f + .f{margin-top:6px}
  .auth-card .f input{padding:8px 11px}
  .strength{margin-top:4px}
  .check{margin-top:7px}
  .auth-card .btn-block{margin-top:8px;padding:10px 18px}
  .auth-foot{margin-top:8px}
}

.foot-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:14px}
.foot-links a{font-family:var(--font-display)!important;font-size:13.5px;color:var(--ink-2);text-decoration:none;display:inline-flex;align-items:center;gap:7px;max-width:none!important}
.foot-links a svg{width:15px;height:15px;color:var(--accent)}
.foot-links a:hover{color:var(--accent)}