/* TipTrack website
   Layout: yard-signage headlines over galvanised-steel neutrals; one weighbridge-ticket motif carries the brand. */
@font-face{font-family:"Archivo";src:url(../fonts/archivo-wdth.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(../fonts/plex-sans-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(../fonts/plex-sans-400i.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(../fonts/plex-sans-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url(../fonts/plex-sans-600.woff2) format("woff2");font-weight:600 700;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(../fonts/plex-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(../fonts/plex-mono-500.woff2) format("woff2");font-weight:500 700;font-display:swap}

:root{
  --bg:#f2f4f3;        /* galvanised steel */
  --surface:#ffffff;
  --ink:#111915;
  --muted:#55625b;
  --line:#d6ddd9;
  --accent:#15803d;    /* the app's green */
  --accent-ink:#ffffff;
  --accent-soft:#e3f1e7;
  --plate:#f6c915;     /* UK rear number-plate yellow */
  --plate-ink:#111915;
  --band:#101814;      /* dark yard band */
  --band-ink:#eef2ef;
  --band-muted:#a3b0a8;
  --paper:#fbfbf7;     /* thermal ticket */
  --todo:#fff1b8;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --s-1:.875rem;--s0:1rem;--s1:1.125rem;--s2:1.375rem;--s3:1.75rem;--s4:2.25rem;--s5:clamp(2.5rem,6vw,4.25rem);
  --wrap:72rem;--radius:10px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0d1310;--surface:#151d19;--ink:#e7ede9;--muted:#9eaca4;--line:#2a3530;
  --accent:#3fbf6f;--accent-ink:#06210f;--accent-soft:#183324;--band:#070b09;--band-ink:#e7ede9;--band-muted:#93a199;
  --paper:#1b2420;--todo:#4d3f00;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0d1310;--surface:#151d19;--ink:#e7ede9;--muted:#9eaca4;--line:#2a3530;
  --accent:#3fbf6f;--accent-ink:#06210f;--accent-soft:#183324;--band:#070b09;--band-ink:#e7ede9;--band-muted:#93a199;
  --paper:#1b2420;--todo:#4d3f00;color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:5rem}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--s0)/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--plate);outline-offset:2px;border-radius:4px}
h1,h2,h3{font-family:var(--f-display);font-stretch:78%;line-height:1.02;letter-spacing:-.005em;text-wrap:balance;margin:0}
h1{font-size:var(--s5);font-weight:800;text-transform:uppercase}
h2{font-size:clamp(1.9rem,4vw,2.75rem);font-weight:800;text-transform:uppercase}
h3{font-size:var(--s2);font-weight:700;font-stretch:88%}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.prose{max-width:42rem}
.stack{display:flex;flex-direction:column;gap:1rem}
.muted{color:var(--muted)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.eyebrow{font:600 .78rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.lede{font-size:var(--s1);color:var(--muted);max-width:38rem}
mark.todo{background:var(--todo);color:inherit;padding:0 .25em;border-radius:3px}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:1.5rem;min-height:4rem}
.logo{display:flex;align-items:center;gap:.55rem;color:var(--ink);text-decoration:none;font:800 1.35rem/1 var(--f-display);font-stretch:80%;text-transform:uppercase;letter-spacing:.01em}
.logo svg{width:26px;height:26px;flex:none}
.nav{display:flex;gap:1.25rem;margin-left:auto;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:500}
.nav a[aria-current="page"]{color:var(--accent)}
.nav a:hover{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--accent);color:var(--accent-ink)!important;text-decoration:none;font-weight:600;border-radius:8px;padding:.7rem 1.15rem;border:2px solid var(--accent);line-height:1.2;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink)!important;border-color:var(--line)}
.btn.small{padding:.5rem .9rem;font-size:var(--s-1)}
.menu{display:none;margin-left:auto}
.menu summary{list-style:none;cursor:pointer;font-weight:600;padding:.5rem .75rem;border:1px solid var(--line);border-radius:8px}
.menu summary::-webkit-details-marker{display:none}
.menu[open] .menu-panel{display:flex}
.menu-panel{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:.25rem;background:var(--surface);border-bottom:1px solid var(--line);padding:.75rem max(16px,env(safe-area-inset-right,0px)) 1rem max(16px,env(safe-area-inset-left,0px))}
.menu-panel a{color:var(--ink);text-decoration:none;padding:.6rem 0;font-weight:500;border-bottom:1px solid var(--line)}
.menu-panel .btn{margin-top:.5rem}
@media (max-width:860px){.nav{display:none}.menu{display:block}}

/* hero */
.hero{padding-block:clamp(2.5rem,7vw,5rem) clamp(2.5rem,6vw,4rem)}
.hero .wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero h1 span{color:var(--accent)}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
.fine{font-size:var(--s-1);color:var(--muted)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}}

/* the weighbridge ticket */
.ticket{margin-bottom:1.5rem;background:var(--paper);color:var(--ink);font-family:var(--f-mono);font-size:.92rem;border:1px solid var(--line);border-radius:4px;padding:1.4rem 1.4rem 1.1rem;box-shadow:0 18px 40px -22px rgba(0,0,0,.45);position:relative;transform:rotate(1.2deg);max-width:24rem;justify-self:center;width:100%;font-variant-numeric:tabular-nums}
.ticket::after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:10px;background:radial-gradient(circle at 6px -1px,transparent 6px,var(--paper) 6.5px) 0 0/12px 10px repeat-x}
.ticket .t-head{text-align:center;border-bottom:1px dashed var(--muted);padding-bottom:.7rem;margin-bottom:.7rem}
.ticket .t-head b{display:block;font-size:1rem;letter-spacing:.06em}
.ticket .row{display:flex;justify-content:space-between;gap:1rem}
.ticket .row.big{font-size:1.25rem;font-weight:700;border-top:1px dashed var(--muted);margin-top:.5rem;padding-top:.5rem}
.ticket .plate{background:var(--plate);color:var(--plate-ink);padding:0 .4em;border-radius:3px;font-weight:700;letter-spacing:.05em}
.stamp{position:absolute;right:-1.2rem;bottom:-1.9rem;transform:rotate(-11deg);border:3px solid var(--accent);color:var(--accent);font:800 .95rem/1.05 var(--f-display);font-stretch:80%;text-transform:uppercase;padding:.35rem .6rem;border-radius:6px;background:color-mix(in srgb,var(--paper) 80%,transparent);text-align:center;animation:stamp .5s cubic-bezier(.2,1.6,.4,1) .5s both}
@keyframes stamp{from{transform:rotate(-11deg) scale(1.6);opacity:.3}to{transform:rotate(-11deg) scale(1);opacity:1}}
@media (max-width:480px){.stamp{right:-.2rem}}
@media (prefers-reduced-motion:reduce){.stamp{animation:none}.btn{transition:none}}

/* law band */
.band{background:var(--band);color:var(--band-ink)}
.band .wrap{padding-block:clamp(2.25rem,5vw,3.25rem);display:grid;grid-template-columns:auto 1fr;gap:1.5rem 2.5rem;align-items:center}
.band .date{font:800 clamp(2.4rem,7vw,4.5rem)/.9 var(--f-display);font-stretch:70%;text-transform:uppercase;color:var(--plate)}
.band p{color:var(--band-muted);max-width:44rem}
.band strong{color:var(--band-ink)}
.band a{color:var(--plate)}
@media (max-width:700px){.band .wrap{grid-template-columns:1fr}}

/* sections */
section.block{padding-block:clamp(3rem,8vw,5.5rem)}
.section-head{display:flex;flex-direction:column;gap:.85rem;margin-bottom:clamp(2rem,5vw,3rem);max-width:44rem}
.feature{display:grid;grid-template-columns:1fr 1.35fr;gap:clamp(1.5rem,5vw,4rem);align-items:center}
.feature + .feature{margin-top:clamp(3rem,8vw,5.5rem)}
.feature.flip{grid-template-columns:1.35fr 1fr}
.feature.flip .feature-text{order:2}
.feature-text{display:flex;flex-direction:column;gap:.9rem;min-width:0}
.feature ul{margin:0;padding-left:1.1rem;display:flex;flex-direction:column;gap:.35rem;color:var(--muted)}
.feature ul strong{color:var(--ink);font-weight:600}
.shot{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:var(--surface);box-shadow:0 24px 48px -30px rgba(0,0,0,.4)}
.shot.phone{border:0;background:none;box-shadow:none;max-width:19rem;justify-self:center}
.phones{display:flex;gap:1.25rem;justify-content:center}
.phones{min-width:0}.phones figure{flex:1 1 0;min-width:0;max-width:16rem}.phones img{width:100%}
figcaption{font-size:var(--s-1);color:var(--muted);margin-top:.6rem}
@media (max-width:860px){.feature,.feature.flip{grid-template-columns:minmax(0,1fr)}.feature.flip .feature-text{order:0}}

/* two laws */
.laws{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.law{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;display:flex;flex-direction:column;gap:.85rem;min-width:0}
.law h3{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;flex-wrap:wrap}
.law h3 small{font:500 .78rem/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ticks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem}
.ticks li{padding-left:1.7rem;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.3em;width:1.05rem;height:1.05rem;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' stroke='white' stroke-width='2' fill='none'/%3E%3C/svg%3E") center/100%}
@media (max-width:760px){.laws{grid-template-columns:1fr}}

/* pricing */
.price-card{background:var(--surface);border:2px solid var(--ink);border-radius:var(--radius);padding:clamp(1.25rem,4vw,2.25rem);display:grid;grid-template-columns:1.1fr 1fr;gap:2rem}
.price-big{font:800 clamp(3.5rem,10vw,5.5rem)/.9 var(--f-display);font-stretch:72%}
.price-big small{font:500 1rem/1 var(--f-body);color:var(--muted);margin-left:.35rem}
@media (max-width:760px){.price-card{grid-template-columns:1fr}}
.timeline{display:grid;grid-template-columns:1fr 1.5fr 1.5fr 1.2fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.timeline div{padding:1rem;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:.2rem;min-width:0}
.timeline div:last-child{border-right:0}
.timeline .k{font:600 .75rem/1.2 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.timeline .v{font:800 1.75rem/1.1 var(--f-display);font-stretch:80%}
.timeline .trial{background:var(--accent-soft)}
.timeline .min{background:repeating-linear-gradient(135deg,transparent 0 10px,color-mix(in srgb,var(--plate) 14%,transparent) 10px 20px)}
@media (max-width:760px){.timeline{grid-template-columns:1fr 1fr}.timeline div:nth-child(2){border-right:0}.timeline div:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* faq */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line);max-width:48rem}
.faq details{border-bottom:1px solid var(--line);padding:1rem 0}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:500 1.4rem/1 var(--f-mono);color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:.6rem;color:var(--muted)}

/* closing CTA */
.closing{background:var(--accent);color:var(--accent-ink)}
.closing .wrap{padding-block:clamp(2.5rem,6vw,4rem);display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:space-between;align-items:center}
.closing h2{color:inherit;max-width:30rem}
.closing .btn{background:var(--accent-ink);color:var(--accent)!important;border-color:var(--accent-ink)}

/* docs pages: guide, legal */
.doc-hero{padding-block:clamp(2.5rem,6vw,4rem) 1.5rem;border-bottom:1px solid var(--line)}
.doc-hero .wrap{display:flex;flex-direction:column;gap:.9rem}
.doc{display:grid;grid-template-columns:15rem minmax(0,1fr);gap:clamp(1.5rem,5vw,4rem);padding-block:2.5rem 4rem;align-items:start}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 5rem);display:flex;flex-direction:column;gap:.15rem;font-size:var(--s-1);max-height:calc(100vh - 6rem);overflow:auto}
.toc a{color:var(--muted);text-decoration:none;padding:.3rem .6rem;border-left:2px solid var(--line)}
.toc a:hover{color:var(--accent);border-left-color:var(--accent)}
.toc .toc-h{font:600 .72rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);padding:.3rem .6rem .5rem}
.doc-body{min-width:0;max-width:46rem;display:flex;flex-direction:column;gap:1rem}
.doc-body h2{font-size:clamp(1.6rem,3.4vw,2.1rem);margin-top:2.25rem;padding-top:1.25rem;border-top:1px solid var(--line)}
.doc-body h2:first-child{margin-top:0;border-top:0;padding-top:0}
.doc-body h3{font-size:var(--s1);font-family:var(--f-body);font-weight:600;font-stretch:100%;margin-top:.75rem}
.doc-body ol,.doc-body ul{margin:0;padding-left:1.3rem;display:flex;flex-direction:column;gap:.4rem}
.doc-body li::marker{color:var(--accent);font-weight:600}
.doc-body figure{margin:.5rem 0}
.doc-body .shot.phone{max-width:16rem;justify-self:start}
.note{background:var(--accent-soft);border-radius:8px;padding:.9rem 1.1rem;font-size:var(--s-1)}
.note.warn{background:color-mix(in srgb,var(--plate) 22%,var(--surface))}
.kbd{font-family:var(--f-mono);font-size:.88em;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:.05em .35em}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.doc-body table{border-collapse:collapse;width:100%;font-size:var(--s-1)}
.doc-body th,.doc-body td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.doc-body th{font-weight:600}
.doc-body tr:last-child td{border-bottom:0}
@media (max-width:860px){.doc{grid-template-columns:1fr}.toc{position:static;max-height:none;flex-direction:row;flex-wrap:wrap;gap:.35rem}.toc a{border:1px solid var(--line);border-radius:999px;padding:.3rem .7rem}.toc .toc-h{width:100%;padding-left:0}}
.legal .doc-body{font-size:.98rem}
.legal .doc-body h2{font-size:clamp(1.35rem,3vw,1.7rem)}

/* support */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.contact{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;display:flex;flex-direction:column;gap:.6rem;min-width:0}
.contact .addr{font:500 1.05rem/1.3 var(--f-mono);word-break:break-all}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}

/* footer */
.site-foot{border-top:1px solid var(--line);padding-block:2.5rem 3rem;font-size:var(--s-1);color:var(--muted)}
.site-foot .wrap{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:2rem}
.site-foot h4{margin:0 0 .6rem;font:600 .72rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink)}
.site-foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.35rem}
.site-foot a{color:var(--muted);text-decoration:none}
.site-foot a:hover{color:var(--accent)}
@media (max-width:760px){.site-foot .wrap{grid-template-columns:1fr 1fr}.site-foot .about{grid-column:1/-1}}