/* cartesianecu.com: sales site. Same brand tokens as the app (wwwroot/styles.css). Dark + light themes. */
@font-face{font-family:'Russo One';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/russo-one-400.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/plex-sans-400.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/plex-sans-ext-400.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --bg:#101316; --bg2:#0b0e10; --panel:#16191d; --panel2:#1b1f24; --line:#272d34; --line2:#333b44;
  --text:#e2e6ea; --muted:#8b939c; --accent:#ff8a3d; --accent2:#ffb37a; --accent-ink:#1a0f06;
  --ok:#4bd08a; --shadow:0 20px 50px rgba(0,0,0,.45); --radius:16px; --maxw:1120px; --head-h:66px; --accent-text:var(--accent);
  --rg-line:rgba(226,230,234,.5); --rg-fill:rgba(255,138,61,.07);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f6f7f9; --bg2:#eef1f4; --panel:#ffffff; --panel2:#f3f5f8; --line:#e2e6ea; --line2:#d3d9e0;
  --text:#171a1e; --muted:#5c646d; --accent:#e6761f; --accent2:#b95a10; --accent-ink:#ffffff;
  --ok:#1f9d63; --shadow:0 20px 45px rgba(20,30,45,.12);
  --rg-line:rgba(23,26,30,.42); --rg-fill:rgba(230,118,31,.08); --accent-text:#9e4c0b;
  color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 1px);-webkit-text-size-adjust:100%;text-size-adjust:100%}
a,button,summary,input,label{-webkit-tap-highlight-color:transparent}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 'IBM Plex Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{line-height:1.15;margin:0;text-wrap:balance}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:780px}

.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:10px}
.skip:focus{left:16px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;padding:12px 22px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,background .15s ease,border-color .15s ease,color .15s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
@media (hover:hover){.btn-primary:hover{background:var(--accent2);border-color:var(--accent2)}}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line2)}
@media (hover:hover){.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}}
.btn-lg{padding:15px 30px;font-size:17px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(16,19,22,.94);background:color-mix(in srgb,var(--bg) 82%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:20px;height:var(--head-h)}
:root[data-theme="light"] .site-head{background:rgba(246,247,249,.94);background:color-mix(in srgb,var(--bg) 82%,transparent)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.brand-ico{width:30px;height:30px;flex:none}
.brand-word{font-family:'Russo One',sans-serif;font-size:20px;letter-spacing:.04em}
.brand-word span{color:var(--accent)}
.nav{display:flex;gap:26px;margin-left:8px}
.nav a{color:var(--muted);font-size:15px;font-weight:500;padding:6px 0;position:relative}
@media (hover:hover){.nav a:hover{color:var(--text)}}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--accent);transition:right .2s ease}
@media (hover:hover){.nav a:hover::after{right:0}}
.head-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
/* language dropdown (assets/i18n.js builds it in every [data-lang-dd]): the current language's flag and code, a caret; the
   menu lists the four languages, each with its flag and its name in its own language, the current one checked */
.lang-dd{position:relative;flex:none}
.lang-dd:empty{width:88px;height:38px}              /* the button's room until i18n.js draws it (no shift in the header) */
/* min-width = that room: a flag that cannot load (hidden) leaves the button as wide, its code and caret centred */
.lang-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:88px;height:38px;padding:0 8px 0 9px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);font:inherit;font-size:13px;font-weight:600;letter-spacing:.04em;line-height:1;cursor:pointer;transition:color .15s,border-color .15s}
@media (hover:hover){.lang-btn:hover{border-color:var(--accent)}.lang-btn:hover .lang-caret{color:var(--accent)}}
.lang-btn[aria-expanded="true"]{border-color:var(--accent)}
.lang-btn .lang-code{min-width:1.9em}
.lang-caret{width:12px;height:12px;flex:none;color:var(--muted);transition:transform .15s,color .15s}
.lang-btn[aria-expanded="true"] .lang-caret{transform:rotate(180deg)}
.lang-flag{display:block;width:20px;height:15px;flex:none;border-radius:2px;object-fit:cover;background:var(--line);box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.lang-flag[hidden]{display:none}
.lang-pop{position:absolute;top:calc(100% + 6px);right:0;z-index:60;min-width:190px;padding:6px;background:var(--panel);border:1px solid var(--line2);border-radius:12px;box-shadow:var(--shadow)}
.lang-pop[hidden]{display:none}
.lang-opt{display:flex;align-items:center;gap:10px;width:100%;min-height:40px;padding:8px 10px;border:0;border-radius:8px;background:none;color:var(--text);font:inherit;font-size:14px;line-height:1.3;text-align:left;cursor:pointer}
@media (hover:hover){.lang-opt:hover{background:var(--panel2)}}
.lang-opt:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.lang-opt[aria-checked="true"]{font-weight:600}
.lang-ck{width:16px;height:16px;flex:none;margin-left:auto;color:var(--accent-text)}
.lang-opt[aria-checked="false"] .lang-ck{visibility:hidden}
@media (pointer:coarse){.lang-opt{min-height:44px}}
/* header Download: label + icon; icon only where the header gets tight */
.head-dl{padding:0 14px;height:38px;font-size:14px;border-radius:10px;gap:7px}
.head-dl svg{width:17px;height:17px;flex:none}
.theme-btn{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--muted);cursor:pointer;transition:color .15s,border-color .15s}
@media (hover:hover){.theme-btn:hover{color:var(--accent);border-color:var(--accent)}}
.theme-btn svg{width:18px;height:18px}
.theme-btn .i-moon{display:none}
:root[data-theme="light"] .theme-btn .i-sun{display:none}
:root[data-theme="light"] .theme-btn .i-moon{display:block}
.menu-btn{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--panel);cursor:pointer;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.menu-btn span{width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s}

/* hero */
.hero{position:relative;overflow:hidden;padding:74px 0 0}
.hero::before{content:"";position:absolute;inset:-30% -10% auto;height:520px;background:radial-gradient(60% 60% at 70% 20%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 70%);pointer-events:none;z-index:0}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center;padding-bottom:56px}
.hero-title{font-family:'Russo One',sans-serif;font-size:clamp(34px,5.2vw,54px);letter-spacing:.01em;margin:0}
.hero-sub{margin:18px 0 0;font-size:clamp(16px,2.2vw,19px);color:var(--muted);max-width:52ch}
.hero-tags{margin:10px 0 0;font-size:clamp(15px,2vw,17px);font-weight:700;letter-spacing:.01em;color:var(--accent-text)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;list-style:none;padding:0;margin:26px 0 0;color:var(--muted);font-size:14px}
.hero-points li{position:relative;padding-left:22px}
.hero-points li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:14px;height:14px;background:var(--ok);-webkit-mask:no-repeat center/14px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");mask:no-repeat center/14px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}

/* sections */
.section{padding:84px 0}
.section.alt{background:var(--bg2)}
.sec-head{max-width:640px;margin:0 auto 44px;text-align:center}
.kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text)}
.sec-head h2{font-family:'Russo One',sans-serif;font-size:clamp(26px,4vw,38px);margin:12px 0 0}
.sec-lede{margin:14px 0 0;color:var(--muted);font-size:17px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
/* features: five cards on three columns, the last row centred (six half-columns, each card spans two) */
@media (min-width:761px){.feat-grid{grid-template-columns:repeat(6,1fr)}.feat-grid > .feat{grid-column:span 2}.feat-grid > .feat:nth-child(4):nth-last-child(2){grid-column:2 / span 2}}

/* feature cards */
.feat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .15s ease,border-color .15s ease}
@media (hover:hover){.feat:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}}
.feat-ico{width:44px;height:44px;border-radius:12px;background:color-mix(in srgb,var(--accent) 15%,transparent);position:relative;margin-bottom:16px}
.feat-ico::after{content:"";position:absolute;inset:0;margin:auto;width:24px;height:24px;background:var(--accent);-webkit-mask:no-repeat center/24px var(--ic);mask:no-repeat center/24px var(--ic)}
.feat h3{font-size:19px;margin-bottom:8px}
.feat p{color:var(--muted);font-size:15px;margin:0}
[data-ico="check"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 12l5 5L20 6' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
[data-ico="shield"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3l7 3v5c0 4.5-3 7.8-7 9-4-1.2-7-4.5-7-9V6z' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3Cpath d='M9 12l2 2 4-4' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
[data-ico="layers"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3l9 5-9 5-9-5z M3 13l9 5 9-5' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E")}
[data-ico="plug"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 3v5M15 3v5M6 8h12v3a6 6 0 0 1-12 0zM12 17v4' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
[data-ico="globe"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9' fill='none' stroke='%23000' stroke-width='2'/%3E%3Cpath d='M3 12h18M12 3c3 3 3 15 0 18M12 3c-3 3-3 15 0 18' fill='none' stroke='%23000' stroke-width='2'/%3E%3C/svg%3E")}
[data-ico="refresh"]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 11a8 8 0 0 0-14-4L4 9M4 13a8 8 0 0 0 14 4l2-2' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M4 4v5h5M20 20v-5h-5' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}

/* coverage */
.cov-foot{text-align:center;margin:32px auto 0;color:var(--muted);max-width:60ch}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.step-n{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent-text);font-family:'Russo One',sans-serif;font-size:18px;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px;margin:0}

/* band */
.band{background:linear-gradient(120deg,color-mix(in srgb,var(--accent) 14%,var(--bg2)),var(--bg2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:70px 0}
.band-in{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.band-copy h2{font-family:'Russo One',sans-serif;font-size:clamp(24px,3.4vw,32px)}
.band-copy p{color:var(--muted);font-size:17px;margin:14px 0 0;max-width:58ch}
.band-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.stat b{font-family:'Russo One',sans-serif;font-size:22px;color:var(--accent)}
.stat span{color:var(--muted);font-size:12.5px;line-height:1.35}

/* access */
.access-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ac{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:10px}
.ac-n{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-family:'Russo One',sans-serif;font-size:16px}
.ac h3{font-size:18px;margin-top:4px}
.ac p{color:var(--muted);font-size:15px;margin:0;flex:1}
.ac .btn{margin-top:8px;align-self:flex-start}
.ac-meta{font-family:ui-monospace,'Cascadia Mono',Consolas,monospace;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.ac-meta[hidden]{display:none}
@media (min-width:761px){.ac{position:relative;padding-bottom:52px}.ac-meta{position:absolute;left:28px;bottom:22px}}

/* faq */
.faq{display:grid;gap:12px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:2px 20px;transition:border-color .15s}
.faq details[open]{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.faq summary{list-style:none;cursor:pointer;font-weight:600;padding:16px 30px 16px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:0;top:18px;width:16px;height:16px;background:var(--muted);-webkit-mask:no-repeat center/16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");mask:no-repeat center/16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");transition:transform .2s}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq p{color:var(--muted);margin:0 0 16px;font-size:15px}

/* contact */
.contact{text-align:center}
.contact .btn{margin-top:6px}
.contact-mail{margin:14px 0 0;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:16px}
.contact-mail a{color:var(--accent);text-decoration:none;overflow-wrap:anywhere}
.contact-mail a:hover{text-decoration:underline}
.contact-alt{margin:16px 0 0;color:var(--muted);font-size:14px}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--bg2);padding:44px 0 26px}
.foot-in{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
.foot-brand .brand-word{font-family:'Russo One',sans-serif;font-size:22px}
.foot-brand p{color:var(--muted);font-size:14px;margin:10px 0 0;max-width:34ch}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.foot-nav a{color:var(--muted);font-size:14px}
@media (hover:hover){.foot-nav a:hover{color:var(--accent)}}
.foot-legal{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot-note{max-width:62ch}

/* responsive */
@media (max-width:920px){
  /* the header's backdrop-filter makes it the containing block of this fixed drawer, so the height is explicit */
  .nav{position:fixed;inset:var(--head-h) 0 auto;height:calc(100vh - var(--head-h));height:calc(100dvh - var(--head-h));flex-direction:column;gap:0;background:var(--bg);padding:8px 24px calc(24px + env(safe-area-inset-bottom));overflow-y:auto;overscroll-behavior:contain;margin:0;
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}
  body.nav-open .nav{opacity:1;visibility:visible;transform:none;transition:opacity .2s ease,transform .2s ease}
  body.nav-open{overflow:hidden}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav a::after{display:none}
  .menu-btn{display:flex}
  body.nav-open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  body.nav-open .menu-btn span:nth-child(2){opacity:0}
  body.nav-open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .hero-in{grid-template-columns:1fr;gap:36px;padding-bottom:48px}
  .hero-art{max-width:460px;margin:0 auto;width:100%}
  .band-in{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .grid-3{grid-template-columns:1fr}
  .access-cards{grid-template-columns:1fr}
  .section{padding:60px 0}
  .hero{padding:48px 0 0}
  .head-in{gap:10px}
}
@media (max-width:480px){
  .steps{grid-template-columns:1fr}
  .wrap{padding:0 18px}
}
/* language dropdown: in the header on wide screens, inside the menu drawer on phones (its list opens below it there) */
.nav-lang{display:none}
@media (max-width:560px){
  .head-tools > .lang-dd{display:none}
  .nav-lang{display:block;align-self:flex-start;margin-top:16px}
  .nav-lang .lang-pop{left:0;right:auto}
}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;margin-top:8px}
.price{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;display:flex;flex-direction:column;gap:16px;position:relative}
.price.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow)}
.price-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--accent-ink);font-size:12px;font-weight:700;letter-spacing:.03em;padding:5px 14px;border-radius:999px;white-space:nowrap}
.price-name{font-family:'Russo One',sans-serif;font-size:20px;letter-spacing:.06em}
.price-fig{font-family:'Russo One',sans-serif;font-size:44px;color:var(--accent);line-height:1;display:flex;align-items:baseline}
.price-fig .cur{font-size:26px;margin-right:2px}
.price-fig .per{font-family:'IBM Plex Sans',sans-serif;font-size:14px;color:var(--muted);font-weight:500;margin-left:8px;align-self:center}
.price-list{list-style:none;padding:0;margin:0;display:grid;gap:11px;flex:1;align-content:start}
.price-list li{color:var(--muted);font-size:15px;padding-left:26px;position:relative}
.price-list li::before{content:"";position:absolute;left:0;top:2px;width:16px;height:16px;background:var(--ok);-webkit-mask:no-repeat center/16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");mask:no-repeat center/16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.price-list li b{color:var(--text);font-weight:700}
.price-list .pk{font-size:16px;color:var(--text)}
.price .btn{margin-top:4px}
.price-renew{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:0;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:15px}
.price-renew b{color:var(--text);font-weight:700}
.price-foot{text-align:center;margin:30px auto 0;color:var(--muted);max-width:62ch;font-size:14px}
@media (max-width:920px) and (min-width:761px){.price-grid{grid-template-columns:repeat(3,1fr);gap:12px}.price{padding:24px 16px;gap:12px}.price-fig{font-size:34px}.price-name{font-size:18px}}

/* ============ product screenshots: one image per theme ============ */
:root:not([data-theme="light"]) .shot-light,
:root[data-theme="light"] .shot-dark{display:none}

/* ---- hero stage: a flat screenshot on a measured frame (rulers + origin), one scan pass, three annotations ---- */
.stage{position:relative;padding:20px 0 0 20px}
.ruler{position:absolute;pointer-events:none}
.ruler-x{left:20px;right:0;top:0;height:13px;border-bottom:1px solid var(--line2);
  background:repeating-linear-gradient(90deg,var(--line2) 0 1px,transparent 1px 50px) left bottom/100% 12px no-repeat,
             repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 10px) left bottom/100% 5px no-repeat}
.ruler-y{left:0;top:20px;bottom:36px;width:13px;border-right:1px solid var(--line2);
  background:repeating-linear-gradient(180deg,var(--line2) 0 1px,transparent 1px 50px) right top/12px 100% no-repeat,
             repeating-linear-gradient(180deg,var(--line) 0 1px,transparent 1px 10px) right top/5px 100% no-repeat}
.origin{position:absolute;left:2px;top:2px;width:10px;height:10px;border-radius:50%;border:2px solid var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.app-shot{margin:0;position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line2);background:var(--panel);
  box-shadow:0 34px 70px -28px rgba(0,0,0,.65)}
:root[data-theme="light"] .app-shot{box-shadow:0 28px 56px -26px rgba(20,30,45,.32)}
/* the pictures' boxes (.app-shot img, .shot-view, .shot-card, .shot-card img: width, ratio, fit, padding) are in the block
   "shots" at the end, written with the pictures: the ECU LIST's count over them depends on them */
.shot-view img:not([src]){display:none}   /* hero picture of the inactive theme (shots.js loads it on switch) */
.stage-cap{margin:12px 0 0;display:flex;justify-content:space-between;gap:12px;font:12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted);letter-spacing:.02em}
.stage-cap > span[aria-hidden]{color:var(--accent-text);white-space:nowrap}

.scan{position:absolute;left:0;right:0;top:0;height:0;opacity:0;pointer-events:none;animation:scan 1.6s cubic-bezier(.45,0,.25,1) .35s both}
.scan::before{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(to bottom,transparent,color-mix(in srgb,var(--accent) 16%,transparent))}
.scan::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);box-shadow:0 0 16px 2px color-mix(in srgb,var(--accent) 70%,transparent)}
@keyframes scan{0%{top:0;opacity:1}85%{opacity:1}100%{top:100%;opacity:0}}

/* hero frames: thin corner brackets mark each working area of the screenshot (a measured look, no glowing dots);
   the brackets are 8 background gradients, the tag straddles the top edge; a frame zooms into its area */
.rg{position:absolute;z-index:2;padding:0;margin:0;border:0;border-radius:2px;font:inherit;color:inherit;cursor:zoom-in;--c:var(--rg-line);--bl:14px;
  background:linear-gradient(var(--c),var(--c)) left top/var(--bl) 1.5px,linear-gradient(var(--c),var(--c)) left top/1.5px var(--bl),
    linear-gradient(var(--c),var(--c)) right top/var(--bl) 1.5px,linear-gradient(var(--c),var(--c)) right top/1.5px var(--bl),
    linear-gradient(var(--c),var(--c)) left bottom/var(--bl) 1.5px,linear-gradient(var(--c),var(--c)) left bottom/1.5px var(--bl),
    linear-gradient(var(--c),var(--c)) right bottom/var(--bl) 1.5px,linear-gradient(var(--c),var(--c)) right bottom/1.5px var(--bl);
  background-repeat:no-repeat;background-color:transparent;transition:background-color .2s;animation:rgIn .6s ease both}
.rg em{position:absolute;left:0;top:0;display:inline-flex;align-items:center;gap:6px;padding:3px 7px;border-radius:2px 0 4px 0;
  font:600 10px/1.1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em;text-transform:uppercase;font-style:normal;white-space:nowrap;
  color:var(--muted);background:var(--bg);border:1px solid var(--line2);transition:color .2s,background-color .2s,border-color .2s;z-index:1}
.rg em{font-size:clamp(7px,2.05cqw,10px);line-height:1;padding:.25em .5em}   /* scales with the picture where container units exist */
.rg em b{color:var(--text);font-weight:700}
.rg:focus-visible{--c:var(--accent);background-color:var(--rg-fill)}
@media (hover:hover){.rg:hover{--c:var(--accent);background-color:var(--rg-fill)}}
.rg:focus-visible em{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}
@media (hover:hover){.rg:hover em{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}}
.rg:focus-visible em b{color:var(--accent-ink)}
@media (hover:hover){.rg:hover em b{color:var(--accent-ink)}}
.rg:focus-visible{outline:none}
/* measured from the screenshot (1320 x 900 layout): x, y, width, height */
.rg-sol{left:23.94%;top:12%;width:53.64%;height:22.89%;animation-delay:.9s}
.rg-ecu{left:78.79%;top:11.56%;width:20.15%;height:83.56%;animation-delay:1.05s}
.rg-dtc{left:1.06%;top:11.56%;width:21.82%;height:53.56%;animation-delay:1.2s}
.rg-save{left:1.06%;top:66.67%;width:76.52%;height:28.44%;animation-delay:1.35s}
@keyframes rgIn{from{opacity:0}to{opacity:1}}
/* the wave: every 12 s a light runs over the frames from top-left to bottom-right (03 DTC, 01, 04, 02): the corners
   light up, a thin outline ripples outward and the tag glows, then everything rests. Pseudo-elements only, so it never
   fights the :hover / focus styles of the frame itself; pointer-events none so taps still reach the frame. */
.rg::after{content:"";position:absolute;inset:0;border-radius:2px;pointer-events:none;opacity:0;
  background:linear-gradient(var(--accent),var(--accent)) left top/calc(var(--bl) + 6px) 1.5px,linear-gradient(var(--accent),var(--accent)) left top/1.5px calc(var(--bl) + 6px),
    linear-gradient(var(--accent),var(--accent)) right top/calc(var(--bl) + 6px) 1.5px,linear-gradient(var(--accent),var(--accent)) right top/1.5px calc(var(--bl) + 6px),
    linear-gradient(var(--accent),var(--accent)) left bottom/calc(var(--bl) + 6px) 1.5px,linear-gradient(var(--accent),var(--accent)) left bottom/1.5px calc(var(--bl) + 6px),
    linear-gradient(var(--accent),var(--accent)) right bottom/calc(var(--bl) + 6px) 1.5px,linear-gradient(var(--accent),var(--accent)) right bottom/1.5px calc(var(--bl) + 6px);
  background-repeat:no-repeat;background-color:var(--rg-fill);animation:rgGlow 12s ease-in-out infinite}
.rg::before{content:"";position:absolute;inset:0;border:1px solid var(--accent);border-radius:3px;pointer-events:none;opacity:0;animation:rgRipple 12s ease-out infinite}
.rg em::before{content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;pointer-events:none;opacity:0;border:1px solid var(--accent);
  box-shadow:0 0 12px rgba(255,138,61,.55);animation:rgGlow 12s ease-in-out infinite}
.rg-dtc::after,.rg-dtc::before,.rg-dtc em::before{animation-delay:2.2s}
.rg-sol::after,.rg-sol::before,.rg-sol em::before{animation-delay:2.45s}
.rg-save::after,.rg-save::before,.rg-save em::before{animation-delay:2.7s}
.rg-ecu::after,.rg-ecu::before,.rg-ecu em::before{animation-delay:2.95s}
@keyframes rgGlow{0%{opacity:0}3.5%,5%{opacity:1}12%,100%{opacity:0}}
@keyframes rgRipple{0%{opacity:0;inset:0}2.5%{opacity:.6;inset:0}12%,100%{opacity:0;inset:-12px}}
@keyframes rgRippleSm{0%{opacity:0;inset:0}2.5%{opacity:.6;inset:0}12%,100%{opacity:0;inset:-7px}}
@media (prefers-reduced-motion:reduce){.rg::before,.rg::after,.rg em::before{animation:none}}

/* ---- coordinates band: a calibration-style map with a moving cursor ---- */
.coords{padding:72px 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.coords-in{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
.coords-copy h2{font-family:'Russo One',sans-serif;font-size:clamp(24px,3.4vw,34px);margin:12px 0 0}
.coords-copy p{color:var(--muted);font-size:16.5px;margin:14px 0 0;max-width:46ch}
.map{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 16px 12px;box-shadow:var(--shadow)}
.map-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px}
.map-name{font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text)}
.map-read{font:12.5px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted);white-space:nowrap}
.map-read em{font-style:normal;color:var(--accent);font-weight:700}
.map-read i{font-style:normal;opacity:.45;margin:0 3px}
.map-grid{display:grid;gap:2px;font:11px/1 ui-monospace,SFMono-Regular,Consolas,monospace}
.map-grid.cols12{grid-template-columns:36px repeat(12,1fr)}
.map-grid.cols8{grid-template-columns:30px repeat(8,1fr)}
.map-grid .c{padding:7px 0;text-align:center;border-radius:3px;color:color-mix(in srgb,var(--text) 78%,transparent);transition:background-color .4s,color .4s,box-shadow .4s}
.map-grid .h0{background:color-mix(in srgb,var(--accent) 3%,var(--panel2))}
.map-grid .h1{background:color-mix(in srgb,var(--accent) 8%,var(--panel2))}
.map-grid .h2{background:color-mix(in srgb,var(--accent) 14%,var(--panel2))}
.map-grid .h3{background:color-mix(in srgb,var(--accent) 21%,var(--panel2))}
.map-grid .h4{background:color-mix(in srgb,var(--accent) 29%,var(--panel2))}
.map-grid .h5{background:color-mix(in srgb,var(--accent) 38%,var(--panel2))}
.map-grid .h6{background:color-mix(in srgb,var(--accent) 48%,var(--panel2))}
.map-grid .h7{background:color-mix(in srgb,var(--accent) 58%,var(--panel2))}
.map-grid .rx,.map-grid .cx{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 45%,transparent);color:var(--text)}
.map-grid .hit{position:relative;z-index:1;background:var(--accent);color:var(--accent-ink);font-weight:700;box-shadow:0 0 0 2px var(--accent),0 0 20px color-mix(in srgb,var(--accent) 55%,transparent)}
.map-grid .yl,.map-grid .xl{color:var(--muted);font-size:10px;padding:7px 0;text-align:center;transition:color .4s}
.map-grid .yl{text-align:right;padding-right:6px}
.map-grid .on{color:var(--accent);font-weight:700}
.map-foot{display:flex;justify-content:space-between;margin-top:9px;font:11px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted)}

/* ---- showcase detail cards ---- */
.showcase .sec-head{margin-bottom:34px}
.shot-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.shot-card{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 10px 28px rgba(0,0,0,.28);display:flex;flex-direction:column}
:root[data-theme="light"] .shot-card{box-shadow:0 10px 26px rgba(20,26,33,.10)}
.shot-card img{border-bottom:1px solid var(--line)}   /* its box: the block "shots" at the end */
.shot-card figcaption{padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.shot-card figcaption b{font-size:15px;color:var(--text)}
.shot-card figcaption span{font-size:13.5px;color:var(--muted);line-height:1.5}

/* ============ tablets and phones: tighter rhythm, compact cards, swipe rows ============ */
@media (max-width:920px){
  .hero-art{max-width:560px}
  .coords-in{grid-template-columns:1fr;gap:28px}
}
@media (max-width:760px){
  .hero{padding:30px 0 0}
  .hero-in{gap:30px;padding-bottom:34px}
  .hero-points{margin-top:18px}
  .section{padding:46px 0}
  .sec-head{margin-bottom:24px}
  .sec-head h2{font-size:25px}
  .sec-lede{font-size:15px;margin-top:10px}
  .grid{gap:12px}
  .feat{display:grid;grid-template-columns:40px 1fr;column-gap:14px;padding:16px}
  .feat-ico{width:40px;height:40px;margin:0;grid-row:span 2}
  .feat h3{font-size:16.5px;margin:0 0 3px}
  .feat p{font-size:14px}
  .coords{padding:44px 0}
  .coords-copy p{font-size:15px}
  .cov-foot{margin-top:20px;font-size:14px}
  .steps{grid-template-columns:1fr;gap:10px}
  .step{display:grid;grid-template-columns:34px 1fr;column-gap:14px;padding:14px 16px}
  .step-n{width:34px;height:34px;margin:0;grid-row:span 2;font-size:16px}
  .step h3{font-size:16px;margin:0 0 2px}
  .band{padding:44px 0}
  .band-copy p{font-size:15px}
  .ac{display:grid;grid-template-columns:34px 1fr;column-gap:14px;row-gap:4px;padding:18px}
  .ac > *:not(.ac-n){grid-column:2}
  .ac-n{grid-row:1 / span 3}
  .ac h3{margin:0;font-size:16.5px}
  .ac p{font-size:14px}
  .ac .btn{justify-self:start;margin-top:8px;padding:9px 16px}
  .faq summary{padding:13px 28px 13px 0;font-size:15px}
  .faq p{font-size:14px}
  /* swipe rows instead of tall stacks */
  .shot-strip,.price-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin:0 -24px;padding-left:24px;padding-right:24px}
  .shot-strip::-webkit-scrollbar,.price-grid::-webkit-scrollbar{display:none}
  .shot-strip{gap:12px}
  .shot-card{flex:0 0 80%;scroll-snap-align:start}
  .shot-strip{scroll-padding-inline:24px}
  .price-grid{gap:12px;max-width:none;padding-top:18px}
  .shot-strip,.price-grid{padding-bottom:36px;margin-bottom:-30px}   /* room for the card shadow, cancelled in the layout */
  .price{flex:0 0 84%;scroll-snap-align:center;padding:24px 22px;gap:12px}
  .price-fig{font-size:38px}
  .price-list{gap:8px}
}
@media (max-width:560px){
  .stage{padding:14px 0 0 14px}
  .ruler-x{left:14px;height:10px}
  .ruler-y{top:14px;width:10px;bottom:30px}
  .origin{width:8px;height:8px;left:1px;top:1px}
  .stage-cap{font-size:11px}
  .map{padding:14px 12px 10px}
  .map-top{flex-direction:column;align-items:flex-start;gap:4px}
}
@media (max-width:480px){
  .hero-title{font-size:30px}
  .shot-strip,.price-grid{margin:0 -18px;padding-left:18px;padding-right:18px}
  .shot-strip,.price-grid{padding-bottom:36px;margin-bottom:-30px}
  .shot-strip{scroll-padding-inline:18px}
}

/* ---- hero points: a point zooms the screenshot into its spot; a caption explains it (.shot-view, the box they sit in:
   the block "shots" at the end) ---- */
.hs-zoom{position:absolute;inset:0;z-index:1;opacity:0;pointer-events:none;cursor:zoom-out;
  background:var(--panel2) url(/assets/shots/v6/app-dark-en.webp) no-repeat 50% 50%/100% auto;
  transition:background-size .55s cubic-bezier(.4,0,.2,1),background-position .55s cubic-bezier(.4,0,.2,1),opacity .2s}
:root[lang="tr"] .hs-zoom{background-image:url(/assets/shots/v6/app-dark-tr.webp)}
:root[lang="es"] .hs-zoom{background-image:url(/assets/shots/v6/app-dark-es.webp)}
:root[lang="pt"] .hs-zoom{background-image:url(/assets/shots/v6/app-dark-pt.webp)}
:root[data-theme="light"] .hs-zoom{background-image:url(/assets/shots/v6/app-light-en.webp)}
:root[data-theme="light"][lang="tr"] .hs-zoom{background-image:url(/assets/shots/v6/app-light-tr.webp)}
:root[data-theme="light"][lang="es"] .hs-zoom{background-image:url(/assets/shots/v6/app-light-es.webp)}
:root[data-theme="light"][lang="pt"] .hs-zoom{background-image:url(/assets/shots/v6/app-light-pt.webp)}
.zoomed .hs-zoom{opacity:1;pointer-events:auto}
.zoomed .rg{visibility:hidden}
.hs-card{position:absolute;z-index:3;left:10px;right:10px;bottom:10px;padding:10px 44px 10px 12px;border-radius:12px;
  background:color-mix(in srgb,var(--panel) 90%,transparent);border:1px solid color-mix(in srgb,var(--accent) 45%,var(--line));
  box-shadow:0 16px 40px -12px rgba(0,0,0,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:hsIn .25s ease both}
:root[data-theme="light"] .hs-card{box-shadow:0 14px 34px -14px rgba(20,30,45,.35)}
.hs-card[hidden]{display:none}
.hs-body b{display:block;font-size:14px;color:var(--text);margin-bottom:2px}
.hs-card.top{top:10px;bottom:auto}
.hs-card.narrow{right:auto;width:56%}
.hs-body p{margin:0;font-size:12.5px;line-height:1.4;color:var(--muted)}
.hs-nav{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.hs-nav button{padding:3px 10px;border-radius:999px;border:1px solid var(--line2);background:transparent;color:var(--muted);font:inherit;font-size:11.5px;font-weight:600;cursor:pointer;transition:color .15s,border-color .15s,background .15s}
@media (hover:hover){.hs-nav button:hover{color:var(--text);border-color:var(--muted)}}
.hs-nav button.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.hs-x{position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:8px;border:1px solid var(--line2);background:var(--panel);cursor:pointer}
.hs-x::before,.hs-x::after{content:"";position:absolute;left:6px;right:6px;top:11px;height:2px;border-radius:2px;background:var(--text);transform:rotate(45deg)}
.hs-x::after{transform:rotate(-45deg)}
@keyframes hsIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.stage-cap{align-items:center;flex-wrap:wrap;row-gap:6px}
.stage-cap em{font-style:normal;color:var(--accent-text);margin-left:8px;white-space:nowrap}
.cap-hint{display:inline-flex;align-items:center;gap:8px;font-family:'IBM Plex Sans',sans-serif;font-size:12.5px;color:var(--text);letter-spacing:0}
.cap-hint::before{content:"";width:11px;height:11px;flex:none;background:
  linear-gradient(var(--accent),var(--accent)) left top/5px 1.5px,linear-gradient(var(--accent),var(--accent)) left top/1.5px 5px,
  linear-gradient(var(--accent),var(--accent)) right bottom/5px 1.5px,linear-gradient(var(--accent),var(--accent)) right bottom/1.5px 5px;background-repeat:no-repeat}

/* ---- coverage explorer ---- */
.cov-stats{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:0 auto 22px}
.cov-stats div{display:flex;align-items:baseline;gap:8px;padding:10px 16px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.cov-stats b{font-family:'Russo One',sans-serif;font-size:22px;color:var(--accent)}
.cov-stats span{font-size:13.5px;color:var(--muted)}
.cov-x{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.cov-bar{padding:14px;border-bottom:1px solid var(--line);display:grid;gap:12px}
.cov-search{display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;border:1px solid var(--line2);border-radius:12px;background:var(--bg);color:var(--muted);transition:border-color .15s}
.cov-search:focus-within{border-color:var(--accent)}
.cov-search svg{width:18px;height:18px;flex:none}
.cov-search input{flex:1;min-width:0;border:0;outline:none;background:none;color:var(--text);font:inherit;font-size:16px;align-self:stretch}
.cov-search input::placeholder{color:var(--muted)}
.cov-search input{text-overflow:ellipsis}
.cov-search input:placeholder-shown::-webkit-search-cancel-button{display:none}
.cov-search input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none;width:16px;height:16px;cursor:pointer;background:var(--muted);-webkit-mask:no-repeat center/14px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 6l12 12M18 6L6 18' stroke='%23000' stroke-width='2.6' stroke-linecap='round'/%3E%3C/svg%3E");mask:no-repeat center/14px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 6l12 12M18 6L6 18' stroke='%23000' stroke-width='2.6' stroke-linecap='round'/%3E%3C/svg%3E")}
.cov-makers{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.cov-makers::-webkit-scrollbar{display:none}
.chip-m{flex:none;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;border:1px solid var(--line2);background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:600;white-space:nowrap;cursor:pointer;transition:color .15s,border-color .15s,background .15s}
.chip-m em{font-style:normal;font-weight:500;font-size:12px;opacity:.8}
@media (hover:hover){.chip-m:hover{color:var(--text);border-color:var(--muted)}}
.chip-m.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.cov-body{display:grid;grid-template-columns:240px 1fr;height:480px}
.cov-brands{list-style:none;margin:0;padding:8px;overflow-y:auto;border-right:1px solid var(--line)}
.cov-b{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:6px 10px 6px 6px;border:0;border-radius:8px;background:none;color:var(--text);font:inherit;font-size:14px;text-align:left;cursor:pointer}
.cov-b em{font-style:normal;font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted)}
.cov-bn{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* brand tile (assets/brand-logos.js): one monochrome mark per brand in currentColor, muted at rest, text colour on
   hover, accent when selected; brands without a mark show their initial */
.cov-logo{width:28px;height:28px;flex:none;display:grid;place-items:center;border-radius:7px;border:1px solid var(--line);background:var(--panel2);color:var(--muted);font-weight:700;font-size:12px;line-height:1;transition:color .15s,border-color .15s}
.cov-logo svg{width:24px;height:24px;display:block;fill:currentColor;fill-rule:evenodd}
@media (hover:hover){.cov-b:hover .cov-logo{color:var(--text)}}
.cov-b.on .cov-logo{color:var(--accent-text);border-color:color-mix(in srgb,var(--accent) 55%,transparent)}
.cov-logo.lg{width:40px;height:40px;border-radius:10px;color:var(--text);font-size:16px}
.cov-logo.lg svg{width:34px;height:34px}
.cov-ht{display:flex;align-items:center;gap:12px;min-width:0}
.cov-h:has(.cov-ht){align-items:center}
.cov-tm{text-align:center;margin:10px auto 0;color:var(--faint,var(--muted));font-size:12px;max-width:70ch}
@media (hover:hover){.cov-b:hover{background:var(--panel2)}}
.cov-b.on{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent-text);font-weight:600}
.cov-b.on em{color:var(--accent-text)}
.cov-panel{overflow-y:auto;padding:18px 20px}
.cov-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.cov-h b{font-family:'Russo One',sans-serif;font-size:20px;overflow-wrap:anywhere}
.cov-h span{font-size:13px;color:var(--muted);white-space:nowrap}
.cov-g{margin-bottom:16px}
.cov-gh{display:flex;align-items:baseline;gap:8px;margin-bottom:8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.cov-gh em{font-style:normal;color:var(--accent-text)}
/* ECU models of a brand: equal-width cells like a table (auto columns), names that do not fit span two cells; dense
   packing fills the hole a wide cell leaves at a row end (assets/coverage.js marks the wide ones after measuring) */
.cov-tags{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));grid-auto-flow:row dense;gap:6px}
.cov-tags .tag{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}
.cov-tags .tag.w2{grid-column:span 2}
.cov-tags .tag.wrap{white-space:normal;overflow-wrap:anywhere}
.tag{padding:5px 9px;border-radius:7px;background:var(--panel2);border:1px solid var(--line);font:12.5px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--text)}
.cov-rows{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.cov-rows li{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:8px 10px;border-radius:8px}
.cov-rows li:nth-child(odd){background:var(--panel2)}
.cov-rows b{font:600 13px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--text);white-space:nowrap}
.cov-rows span{font-size:12.5px;color:var(--muted);text-align:right}
.cov-none{margin:0;color:var(--muted);font-size:14px}

/* ---- checksum panel ---- */
.cs{--cs-bad:#f0616d;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
:root[data-theme="light"] .cs{--cs-bad:#d33240}
.cs-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.cs-name{font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.cs-state{font:600 12px ui-monospace,SFMono-Regular,Consolas,monospace;padding:4px 10px;border-radius:999px;border:1px solid var(--line2);color:var(--text);transition:color .3s,background .3s,border-color .3s}
.cs[data-st="ok"] .cs-state{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 55%,transparent);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.cs[data-st="edit"] .cs-state{color:var(--accent-text);border-color:color-mix(in srgb,var(--accent) 55%,transparent);background:color-mix(in srgb,var(--accent) 12%,transparent)}
.cs[data-st="bad"] .cs-state{color:var(--cs-bad);border-color:color-mix(in srgb,var(--cs-bad) 55%,transparent);background:color-mix(in srgb,var(--cs-bad) 12%,transparent)}
.cs-blocks{display:flex;gap:4px;margin-bottom:12px}
.seg{position:relative;height:30px;border-radius:6px;background:var(--panel2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden;transition:border-color .3s,background .3s}
.seg.w1{flex:1}.seg.w2{flex:2}.seg.w3{flex:3}
.seg b{position:relative;z-index:1;font:600 11px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.06em;color:var(--muted)}
.seg i{position:absolute;left:0;top:0;bottom:0;width:0;background:color-mix(in srgb,var(--accent) 32%,transparent)}
.seg.cur{border-color:color-mix(in srgb,var(--ok) 60%,var(--line))}
.seg.cur b{color:var(--text)}
.seg.bad{border-color:var(--cs-bad);background:color-mix(in srgb,var(--cs-bad) 14%,var(--panel2))}
.seg.calc{border-color:var(--accent)}
.seg.calc i{animation:segFill 1.45s linear forwards}
@keyframes segFill{to{width:100%}}
.cs-hex{display:grid;gap:2px 0;font:11.5px/1 ui-monospace,SFMono-Regular,Consolas,monospace}
.cs-hex.c16{grid-template-columns:60px repeat(16,1fr)}
.cs-hex.c8{grid-template-columns:54px repeat(8,1fr)}
.cs-hex .ad{padding:5px 0;font-size:10.5px;color:var(--muted)}
.cs-hex .by{padding:5px 0;text-align:center;border-radius:3px;color:color-mix(in srgb,var(--text) 72%,transparent);transition:background .3s,color .3s,box-shadow .3s}
.cs-hex .by.row{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--text)}
.cs-hex .by.ed{background:color-mix(in srgb,var(--accent) 72%,transparent);color:var(--accent-ink);font-weight:700}
:root[data-theme="light"] .cs-hex .by.ed{color:#2a1405}
.cs-hex .by.sum{box-shadow:inset 0 0 0 1px var(--line2);color:var(--text);font-weight:700}
.cs[data-st="edit"] .cs-hex .by.sum,.cs[data-st="bad"] .cs-hex .by.sum{box-shadow:inset 0 0 0 1px var(--cs-bad);color:var(--cs-bad)}
.cs-hex .by.sum.wr{background:color-mix(in srgb,var(--ok) 20%,transparent);box-shadow:inset 0 0 0 1px var(--ok);color:var(--ok)}
.cs-read{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px;margin-top:12px;padding-top:10px;border-top:1px solid var(--line);font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted)}
.cs-alg{color:var(--text);font-weight:700}
.cs-read i{font-style:normal}
.cs-read em{font-style:normal;font-weight:700;color:var(--text)}
.cs[data-st="edit"] #csStored,.cs[data-st="bad"] #csStored{color:var(--cs-bad)}
.cs[data-st="ok"] .cs-read em{color:var(--ok)}

@media (max-width:920px){
  .cov-body{grid-template-columns:200px 1fr}
}
@media (max-width:760px){
  .cov-stats{gap:8px;margin-bottom:16px}
  .cov-stats div{padding:8px 12px}
  .cov-stats b{font-size:18px}
  .cov-stats span{font-size:12.5px}
  .cov-bar{padding:12px}
  .cov-body{grid-template-columns:1fr;height:auto}
  .cov-brands{display:flex;gap:6px;overflow-x:auto;padding:10px 12px;border-right:0;border-bottom:1px solid var(--line);scrollbar-width:none}
  .cov-brands::-webkit-scrollbar{display:none}
  .cov-brands li{flex:none}
  .cov-b{padding:4px 12px 4px 5px;border:1px solid var(--line2);border-radius:999px;font-size:13px;gap:7px}
  .cov-logo{width:24px;height:24px;border:0;border-radius:50%;background:var(--panel2)}
  .cov-logo svg{width:19px;height:19px}
  .cov-logo.lg{width:34px;height:34px;border-radius:9px;border:1px solid var(--line)}
  .cov-logo.lg svg{width:28px;height:28px}
  .cov-b.on{border-color:var(--accent)}
  .cov-panel{max-height:380px;padding:14px;overscroll-behavior:contain;-webkit-mask-image:linear-gradient(#000 calc(100% - 40px),transparent);mask-image:linear-gradient(#000 calc(100% - 40px),transparent)}
  .cov-panel.at-end{-webkit-mask-image:none;mask-image:none}
  .cov-makers{margin:0 -12px;padding:0 12px 2px;scroll-padding-inline:12px}
  .cov-h b{font-size:17px}
  .cov-rows li{flex-direction:column;gap:2px}
  .cov-rows span{text-align:left}
  .band-stats{gap:8px}
  .stat{padding:10px}
  .stat b{font-size:18px}
  .stat span{font-size:11.5px}
}
@media (max-width:560px){
  .rg{--bl:9px}
  .rg::before{animation-name:rgRippleSm}
  .rg em{top:0;transform:translateY(-55%);font-size:8px;padding:1px 4px;line-height:1;border-radius:3px}
  .rg em span{display:none}
  .hs-card{position:static;margin:0;padding:12px 44px 12px 12px;border-radius:0;border:0;border-top:1px solid var(--line);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--panel)}
  .hs-body p{font-size:12.5px}
  .hs-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .hs-nav button{min-height:38px;padding:6px 10px;font-size:13px}
  .hs-x{width:38px;height:38px;top:6px;right:6px}
  .hs-x::before,.hs-x::after{left:10px;right:10px;top:17px}
  .hs-card.narrow{width:auto}
  .stage-cap{flex-direction:column;align-items:flex-start;gap:6px}
  .cs{padding:12px}
  .cs-hex{font-size:10.5px}
}

/* ---- touch + small screens (2026-09-27 mobile audit) ---- */
.foot-nav{gap:0 22px}
.foot-nav a{display:inline-block;padding:9px 0}
/* phones held sideways: a short screen, so a slimmer header and tighter sections */
@media (max-height:500px) and (orientation:landscape){
  :root{--head-h:54px}
  .hero{padding:26px 0 0}
  .hero-title{font-size:clamp(28px,4.4vw,38px)}
  .section{padding:44px 0}
  .sec-head{margin-bottom:26px}
  .cov-body{height:min(480px,calc(100vh - 140px))}
  .coords,.band{padding:44px 0}
  .shot-card{flex:0 0 min(46%,320px)}
}

/* header Download on narrow screens: icon only */
@media (max-width:1100px) and (min-width:921px){.head-dl{width:38px;padding:0}.head-dl span{display:none}.nav{gap:18px}.head-in{gap:14px}}
@media (max-width:480px){.head-dl{width:38px;padding:0}.head-dl span{display:none}}
@media (max-width:360px){.head-in{gap:8px}.head-tools{gap:6px}}
@media (max-width:329px){.head-dl{display:none}}   /* narrower than any current phone: the Download card below still has it */
/* a link of the phone menu only (the distributors page): the wide header keeps its six section links on one line, a
   seventh wraps them; the footer has it at every width */
@media (min-width:921px){.nav .nav-more{display:none}}

/* phones: floating "See pricing" nudge (assets/price-cue.js adds .show between the hero and the pricing section) */
.price-cue{display:none}
@media (max-width:760px){
  .price-cue{display:inline-flex;align-items:center;gap:6px;position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom));z-index:40;padding:11px 16px 11px 20px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:15px;line-height:1;box-shadow:0 10px 28px rgba(0,0,0,.35);transform:translate(-50%,calc(100% + 32px));opacity:0;pointer-events:none;transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity .25s ease}
  .price-cue.show{transform:translate(-50%,0);opacity:1;pointer-events:auto;animation:cue-ring 2.6s ease-in-out .8s infinite}
  .price-cue svg{width:18px;height:18px;flex:none;animation:cue-nudge 2.6s ease-in-out infinite}
}
@keyframes cue-nudge{0%,55%,100%{transform:translateY(0)}25%{transform:translateY(4px)}40%{transform:translateY(1px)}}
@keyframes cue-ring{0%{box-shadow:0 10px 28px rgba(0,0,0,.35),0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent)}70%,100%{box-shadow:0 10px 28px rgba(0,0,0,.35),0 0 0 12px transparent}}
/* ---- shots: the ECU LIST's count over the app screenshots of assets/shots/v6, written by tools/site-pictures/render.mjs
   with them (do not edit: render again). The pictures leave it out: the svg .shot-n over a picture writes the list's count
   (its text, data-i18n="shot.ecus") where the app ends it, on the app's baseline, at the app's size, in units of the
   picture's width; an svg text stays on the picture's pixels. That holds while a picture fills its box's width from the
   top left corner, unpadded (the first four rules: here so that tools/ecu-sync --check names a change to them).
   Hidden while the hero is zoomed. ---- */
.shot-view{position:relative;container-type:inline-size;padding:0}
.app-shot img{display:block;width:100%;height:auto}
.shot-card{position:relative;container-type:inline-size;padding:0}
.shot-card img{display:block;width:100%;height:auto;aspect-ratio:680/468;object-fit:cover;object-position:top left}
.shot-n{position:absolute;left:0;top:0;z-index:1;width:100%;height:100%;overflow:visible;pointer-events:none}
.shot-n text{font-family:'IBM Plex Sans',sans-serif;font-weight:400;font-style:normal;letter-spacing:normal;text-anchor:end;fill:rgb(139, 147, 156)}
:root[data-theme="light"] .shot-n text{fill:rgb(238, 243, 255)}
.shot-n-app text{font-size:0.8333cqw;transform:translate(97.8788cqw,9.8485cqw)}
.shot-n-ecu text{font-size:3.0899cqw;transform:translate(83.7079cqw,10.9551cqw)}
.app-shot.zoomed .shot-n{visibility:hidden}
/* ---- end shots ---- */