/* Tire Shop Playbook site v2, Treadpath look (preview). Fonts in fonts.css (self-hosted).
   Tokens from crm-v2 src/config/brand.ts (Treadpath D2): charcoal surfaces, steel grays, ONE amber highlight.
   Amber is only for primary buttons, current state and attention. Square corners, 1px borders, flat panels. */
:root{
  --base:#141619; --top:#0F1113; --panel:#1C1F23; --panel2:#23272C;
  --line:#2E333A; --line2:#262A30; --line3:#3A4048; --head-bg:#181B1E;
  --steel:#8B949E; --steel2:#B7BEC6; --dim:#5E666F; --text:#E8EAED;
  --amber:#F5A524; --amber-d:#3A2C12; --amber-soft:#E9B45A; --on-amber:#141619; --gray:#2C3137;
  --head:'Barlow Condensed','Arial Narrow',Arial,sans-serif;
  --body:'Barlow',Arial,sans-serif;
  --num:'IBM Plex Mono','Courier New',monospace;
  --wrap:1200px;
  --tread:repeating-linear-gradient(60deg,transparent 0 10px,rgba(255,255,255,.022) 10px 16px),repeating-linear-gradient(-60deg,transparent 0 10px,rgba(255,255,255,.022) 10px 16px);
}
*,*::before,*::after{box-sizing:border-box;border-radius:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;color-scheme:dark;background:var(--base)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.6;color:var(--text);background:var(--base);-webkit-font-smoothing:antialiased}
::selection{background:var(--amber);color:var(--on-amber)}
img{max-width:100%;height:auto;display:block}
a{color:var(--text);text-decoration:underline;text-decoration-color:rgba(233,180,90,.55);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--amber);text-decoration-color:var(--amber)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
strong{color:var(--text);font-weight:600}
h1,h2,h3{font-family:var(--head);font-weight:700;text-transform:uppercase;margin:0 0 16px;letter-spacing:.015em;color:var(--text)}
h1{font-size:clamp(44px,6.2vw,76px);line-height:.95}
h2{font-size:clamp(32px,3.8vw,44px);line-height:1}
h3{font-size:24px;line-height:1.1;letter-spacing:.03em}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:var(--amber);color:var(--on-amber);padding:10px 16px;font-family:var(--head);font-weight:700;text-transform:uppercase;letter-spacing:.08em;text-decoration:none}
.skip-link:focus{top:12px}

/* Section labels: uppercase condensed with a trailing hairline (the core Treadpath device) */
.kicker{display:flex;align-items:center;gap:14px;font-family:var(--head);font-weight:600;font-size:15px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel2);margin-bottom:14px}
.kicker::after{content:"";flex:1;height:1px;background:var(--line3);min-width:24px}
.kicker-dark{color:var(--steel2)}

/* Buttons: square, 1px border, condensed caps. Amber = primary action only. */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--head);font-weight:700;text-transform:uppercase;letter-spacing:.08em;text-decoration:none;border:1px solid transparent;line-height:1.15;transition:background .15s,border-color .15s,filter .15s}
.btn-primary{background:var(--amber);border-color:var(--amber);color:var(--on-amber)}
.btn-primary:hover{color:var(--on-amber);filter:brightness(1.1)}
.btn:not(.btn-sm):not(.btn-lg){font-size:17px;padding:11px 18px}
.btn-lg{font-size:20px;padding:15px 26px}
.btn-sm{font-size:15px;padding:8px 14px}
.btn-navy{background:var(--panel2);border-color:var(--line3);color:var(--text);font-size:18px;padding:12px 22px}
.btn-navy:hover{border-color:var(--steel);color:var(--text)}
.btn-block{display:flex;width:100%;text-align:center}
.btn-link,.btn-link-light{font-family:var(--head);font-weight:600;font-size:18px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel2);text-decoration:underline;text-decoration-color:var(--line3);text-underline-offset:5px}
.btn-link:hover,.btn-link-light:hover{color:var(--amber);text-decoration-color:var(--amber)}

/* Header: top bar, hairline bottom, faint tread texture */
.site-header{background:var(--top);background-image:var(--tread);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;padding-right:24px;border-right:1px solid var(--line);align-self:stretch}
.brand img{width:170px;height:auto}
.site-header nav{margin-left:auto;align-self:stretch;display:flex}
.nav-list{display:flex;gap:4px;align-items:stretch}
.nav-list li{display:flex}
.nav-list a{display:flex;align-items:center;padding:0 12px;color:var(--steel2);text-decoration:none;font-family:var(--head);font-weight:600;font-size:16px;letter-spacing:.1em;text-transform:uppercase;border-bottom:2px solid transparent;margin-bottom:-1px}
.nav-list a:hover{color:var(--text);background:var(--panel)}
.nav-list a[aria-current="page"]{color:var(--amber);border-bottom-color:var(--amber)}
@media (max-width:1020px){.nav-list a{padding:0 8px;font-size:15px;letter-spacing:.08em}.brand{padding-right:16px}}
/* Mobile: nav drops to its own row under the logo (no JS needed) */
@media (max-width:860px){
  .site-header{position:static}
  .header-inner{flex-wrap:wrap;gap:0 16px;min-height:0;padding-top:12px}
  .brand{border-right:none;padding:0 0 12px}
  .header-cta{margin-left:auto;margin-bottom:12px}
  .site-header nav{order:3;flex-basis:calc(100% + 48px);width:calc(100% + 48px);margin:0 -24px;padding:0 16px;border-top:1px solid var(--line);overflow-x:auto}
  .nav-list{gap:0;flex-wrap:wrap}
  .nav-list a{padding:10px 8px;font-size:14px;letter-spacing:.08em}
}
@media (max-width:420px){.brand img{width:146px}.btn-sm{font-size:14px;padding:7px 11px}}

/* Hero (home) */
.hero{position:relative;overflow:hidden;color:var(--text);padding:76px 0 84px;background:var(--base);border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background-image:var(--tread);-webkit-mask-image:linear-gradient(90deg,transparent 25%,#000 100%);mask-image:linear-gradient(90deg,transparent 25%,#000 100%);pointer-events:none}
.hero::after{content:"";position:absolute;right:-90px;bottom:-110px;width:440px;height:385px;
  background:url(../logo/tsp-mark-onecolor-white.svg) no-repeat center/contain;opacity:.025;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:48px;align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1fr 1.05fr}}
.hero h1{letter-spacing:.01em}
.hero h1 .accent{color:var(--amber)}
.hero-sub{font-size:20px;line-height:1.55;color:var(--steel2);max-width:34em;margin:22px 0 32px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px}
.trust-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.trust-strip li{font-family:var(--head);font-weight:600;font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel2);background:var(--panel);border:1px solid var(--line3);padding:5px 10px}
.hero-media{position:relative;border:1px solid var(--line3);background:var(--panel);padding:8px;box-shadow:0 24px 60px rgba(0,0,0,.55)}
.hero-media img{border:1px solid var(--line)}

/* Sections */
.section{padding:80px 0}
.section-light{background:var(--base)}
.section-white{background:var(--head-bg);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.lede{font-size:19px;max-width:46em;color:var(--steel2)}
.section h2{margin-bottom:22px}

/* Five areas */
.areas{display:grid;gap:12px;margin-top:36px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.area{background:var(--panel);border:1px solid var(--line);padding:22px 20px}
.area h3{margin:14px 0 8px}
.area p{font-size:16px;color:var(--steel2);margin:0}
.area-status,.tag{display:inline-block;font-family:var(--head);font-weight:700;font-size:13px;line-height:20px;letter-spacing:.1em;text-transform:uppercase;padding:0 8px;white-space:nowrap}
.area-status{border:1px dashed #4A5058;color:var(--steel)}
.area-status.live{border:1px solid var(--amber);color:var(--amber)}
.tag{background:var(--gray);color:var(--steel2)}

/* Spotlight */
.spotlight{display:grid;gap:48px;grid-template-columns:1fr}
@media (min-width:960px){.spotlight{grid-template-columns:1.1fr .9fr;align-items:start}}
.bullets{margin:8px 0 20px}
.bullets li{position:relative;padding-left:26px;margin-bottom:14px;color:var(--steel2)}
.bullets li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;background:var(--steel);}
.fine{font-size:16px;line-height:1.55;color:var(--steel)}
.fine a{color:var(--steel2)}
.price-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:24px 0 20px}
.price{display:inline-block;font-family:var(--num);font-weight:600;font-size:32px;line-height:1.2;color:var(--text);background:var(--panel2);border:1px solid var(--line3);padding:4px 14px;font-variant-numeric:tabular-nums}
.price-note{font-family:var(--head);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);font-size:15px}
.refund{margin-top:20px;max-width:40em}
.math-card{background:var(--panel);border:1px solid var(--line);color:var(--text);padding:0 0 22px}
.math-kicker{display:flex;align-items:center;gap:12px;font-family:var(--head);font-weight:600;font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel2);margin:0 0 18px;padding:11px 22px;background:var(--head-bg);background-image:var(--tread);border-bottom:1px solid var(--line)}
.math-card h3,.math-card .math,.math-card p{margin-left:22px;margin-right:22px}
.math-card h3{font-size:28px}
.math{margin-top:16px;margin-bottom:18px;font-family:var(--num);font-size:16px}
.math div{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-bottom:1px solid var(--line2)}
.math dt{font-family:var(--body);color:var(--steel2)}
.math dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.math .total{border-bottom-color:var(--line3)}
.math .total dd{color:var(--text)}
.math .hl{color:var(--amber);font-size:20px}
.math-card p:last-child{color:var(--steel2);font-size:16px;margin-bottom:0}
.shot{margin:24px 0 0}
.shot img{border:1px solid var(--line3)}
.shot figcaption{font-size:15px;color:var(--steel);margin-top:8px}

/* Coming soon */
.cards{display:grid;gap:12px;margin-top:32px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);padding:24px}
.card h3{margin:14px 0 10px}
.card p{color:var(--steel2);margin:0}
.note{margin-top:28px;color:var(--steel)}

/* Mission */
.mission{position:relative;background:var(--top);color:var(--text);padding:64px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.mission::before{content:"";position:absolute;inset:0;background-image:var(--tread);pointer-events:none}
.mission .wrap{position:relative}
.mission-line{font-family:var(--head);font-weight:700;text-transform:uppercase;font-size:clamp(28px,3.6vw,42px);line-height:1.05;letter-spacing:.01em;max-width:24em;margin:0;padding-left:22px;border-left:3px solid var(--amber)}

/* Footer */
.site-footer{background:var(--top);color:var(--steel);padding:56px 0 24px;font-size:16px;border-top:1px solid var(--line)}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.footer-grid{grid-template-columns:1.1fr 1.5fr 1fr 1fr}}
.footer-brand img{width:130px}
.footer-tag{margin-top:16px;color:var(--text);font-family:var(--head);font-weight:600;font-size:18px;letter-spacing:.08em;text-transform:uppercase}
.footer-h{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;letter-spacing:.16em;color:var(--steel);margin-bottom:14px}
.footer-h::after{content:"";flex:1;height:1px;background:var(--line)}
.footer-nav li{margin-bottom:8px}
.site-footer a{color:var(--steel2);text-decoration:none}
.site-footer a:hover{color:var(--amber);text-decoration:underline}
.footer-small{color:var(--steel)}
.footer-legal{border-top:1px solid var(--line);margin-top:36px;padding-top:20px}
.footer-legal p{margin:0;font-size:14px;color:var(--steel)}

/* Who we are */
.who-we-are{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);max-width:44em}
.who-we-are .who-title{font-family:var(--head);font-weight:600;text-transform:uppercase;font-size:16px;letter-spacing:.16em;color:var(--steel2);margin:0 0 10px}
.who-we-are p{margin:0;font-size:17px;line-height:1.6;color:var(--steel2)}
.who-we-are .who-link{margin-top:12px}
.who-we-are a,.on-dark-link{color:var(--text)}
.who-we-are a:hover,.on-dark-link:hover{color:var(--amber)}

/* Page hero strip (inner pages) */
.page-hero{position:relative;background:var(--panel);color:var(--text);padding:44px 0 50px;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:var(--tread);-webkit-mask-image:linear-gradient(90deg,transparent 40%,#000 100%);mask-image:linear-gradient(90deg,transparent 40%,#000 100%);pointer-events:none}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(38px,5vw,60px);margin-bottom:12px}
.page-hero .kicker{max-width:46em}
.page-sub{font-size:19px;color:var(--steel2);max-width:40em;margin:0}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px;padding:0;list-style:none;font-family:var(--head);font-weight:600;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.breadcrumbs li+li::before{content:"/";margin-right:6px;color:var(--dim)}
.breadcrumbs a{color:var(--steel2);text-decoration:none}
.breadcrumbs a:hover{color:var(--amber)}
.notfound{padding:72px 0}
.notfound .hero-actions{margin-top:28px}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;margin:20px 0}
.center-link{text-align:center;margin:36px 0 0}
.free-callout{margin-top:24px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--steel);padding:14px 18px;font-size:16px;color:var(--steel2)}

/* Product grid + cards */
.product-grid{display:grid;gap:16px;margin-top:28px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.product-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);overflow:hidden;transition:border-color .15s}
.product-card:hover{border-color:var(--line3)}
.product-media{display:block;background:var(--top);border-bottom:1px solid var(--line)}
.product-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.product-body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px}
.product-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0 0 12px;font-size:15px;color:var(--steel)}
.product-title{font-size:25px;margin:0 0 10px}
.product-title a{color:var(--text);text-decoration:none}
.product-title a:hover{color:var(--amber)}
.product-short{color:var(--steel2);font-size:16px;margin-bottom:12px}
.product-points{margin:0 0 14px}
.product-points li{position:relative;padding-left:20px;margin-bottom:6px;font-size:16px;color:var(--steel2)}
.product-points li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;background:var(--steel)}
.card-note{font-size:15px;line-height:1.5;background:var(--amber-d);border-left:3px solid var(--amber);padding:10px 12px;color:var(--amber-soft)}
.card-note strong{color:var(--amber-soft)}
.product-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin-top:auto;padding-top:8px}
.product-actions .btn-primary:not(.btn-lg){font-size:16px;padding:10px 14px}
.product-actions .btn-link{font-size:16px}
.price-sm{font-size:22px;padding:2px 10px}

/* Bundle */
.bundle-card{display:grid;grid-template-columns:1fr;background:var(--panel);border:1px solid var(--line);color:var(--text);overflow:hidden;margin-top:28px}
@media (min-width:960px){.bundle-card{grid-template-columns:1.05fr 1fr}}
.bundle-media{display:flex;align-items:center;justify-content:center;background:var(--top);border-right:1px solid var(--line)}
.bundle-media img{width:100%;height:auto}
.bundle-body{position:relative;padding:28px 30px 30px}
.bundle-title{font-size:clamp(32px,4vw,44px);margin-bottom:12px;padding:0}
.bundle-body p{color:var(--steel2)}
.bundle-list{margin:14px 0 16px;border-top:1px solid var(--line)}
.bundle-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line2)}
.bundle-list a{color:var(--text);text-decoration:none}
.bundle-list a:hover{color:var(--amber);text-decoration:underline}
.inc-price{font-family:var(--num);color:var(--steel);font-variant-numeric:tabular-nums}
.bundle-math{font-size:17px}
.bundle-math strong{color:var(--text)}
.fine.on-dark,.fine.on-dark a{color:var(--steel)}
.fine.on-dark a:hover{color:var(--amber)}
.bundle-summary{background:var(--panel);border:1px solid var(--line);padding:24px 26px;margin-bottom:40px}
@media (max-width:959px){.bundle-media{border-right:none;border-bottom:1px solid var(--line)}}

/* Detail pages */
.detail-grid{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:960px){.detail-grid{grid-template-columns:minmax(0,1fr) 360px;align-items:start}.buy-box{position:sticky;top:92px}}
.detail-main{min-width:0;color:var(--steel2)}
.detail-main h2,.detail-main h3,.detail-main strong{color:var(--text)}
.detail-block{margin-bottom:40px}
.detail-block h2{font-size:clamp(28px,3vw,36px)}
.detail-block ul,.detail-block ol,.prose ul,.prose ol{margin:0 0 16px;padding-left:22px;list-style:square}
.detail-block ol,.prose ol{list-style:decimal}
.detail-block li::marker,.prose li::marker{color:var(--steel)}
.detail-block li,.prose li{margin-bottom:8px}
.detail-block code,.prose code{font-family:var(--num);font-size:.86em;background:var(--panel2);border:1px solid var(--line);padding:1px 5px;color:var(--text);overflow-wrap:anywhere}
.detail-block table,.prose table{border-collapse:collapse;width:100%;margin:0 0 16px;font-size:16px}
.detail-block th,.prose th{text-align:left;font-family:var(--head);font-weight:600;text-transform:uppercase;letter-spacing:.12em;font-size:14px;color:var(--steel);background:var(--head-bg);border-bottom:1px solid var(--line);padding:8px 10px}
.detail-block td,.prose td{border-bottom:1px solid var(--line2);padding:8px 10px;color:var(--steel2)}
.sources p{font-size:15px;color:var(--steel)}
.buy-box{background:var(--panel);border:1px solid var(--line3);overflow:hidden}
.buy-box img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line)}
.buy-box-body{padding:18px 20px 20px}
.buy-box .price-row{margin:0 0 16px}
.buy-box .fine{margin-top:14px;font-size:15px}
.disclaimer{background:var(--amber-d);border:1px solid #5A4419;border-left:3px solid var(--amber);padding:16px 18px;margin-bottom:32px;color:var(--amber-soft)}
.disclaimer strong{color:var(--amber)}
.gallery{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));margin-top:20px;align-items:start}
.gallery-item{margin:0;background:var(--panel);border:1px solid var(--line);padding:10px}
.gallery-item img{width:100%;max-height:520px;object-fit:contain;object-position:top;background:#fff;border:1px solid var(--line)}
.gallery-item figcaption{font-size:15px;color:var(--steel);margin-top:8px}

/* FAQ */
.faq-wrap{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:960px){.faq-wrap{grid-template-columns:240px minmax(0,1fr)}.faq-toc{position:sticky;top:92px;align-self:start}}
.faq-toc{background:var(--panel);border:1px solid var(--line);padding:16px 18px}
.toc-h{font-size:14px;font-weight:600;letter-spacing:.16em;color:var(--steel);margin-bottom:12px}
.faq-toc li{margin-bottom:8px}
.faq-toc a{color:var(--steel2);text-decoration:none;font-family:var(--head);font-weight:600;font-size:16px;letter-spacing:.06em;text-transform:uppercase}
.faq-toc a:hover{color:var(--amber)}
.faq-body h2{font-size:clamp(28px,3vw,36px);margin-top:8px;scroll-margin-top:100px}
.faq-body h2:not(:first-child){margin-top:44px}
.faq-list{display:grid;gap:8px}
.faq-item{background:var(--panel);border:1px solid var(--line);color:var(--steel2)}
.faq-item summary{cursor:pointer;list-style:none;position:relative;padding:14px 48px 14px 18px;font-weight:600;font-size:18px;color:var(--text)}
.faq-item summary:hover{background:var(--panel2)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-family:var(--num);font-size:22px;color:var(--steel)}
.faq-item[open]{border-color:var(--line3)}
.faq-item[open] summary{border-bottom:1px solid var(--line);box-shadow:inset 3px 0 0 var(--amber)}
.faq-item[open] summary::after{content:"−";color:var(--amber)}
.faq-item > *:not(summary){padding:0 18px}
.faq-item > p:first-of-type{padding-top:12px}
.faq-item > *:last-child{padding-bottom:14px;margin-bottom:0}
.faq-item p{margin-bottom:10px}

/* Prose pages (legal) */
.prose{max-width:760px;color:var(--steel2)}
.prose h2{font-size:clamp(26px,3vw,32px);margin-top:36px}
.prose h3{font-size:21px;margin:22px 0 8px}
.prose .policy-line{font-size:21px;font-weight:600;color:var(--text);background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--amber);padding:16px 20px}
.two-col{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:900px){.two-col{grid-template-columns:1fr 1fr}}
.contact-card{background:var(--panel);border:1px solid var(--line);padding:26px}
.contact-card h2{font-size:clamp(24px,3vw,32px);overflow-wrap:anywhere;text-transform:none;letter-spacing:.02em}
.link-list li{margin-bottom:10px;font-size:18px}

/* Free cheat sheet */
.freebie{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:900px){.freebie{grid-template-columns:minmax(0,420px) minmax(0,1fr);align-items:start}}
.freebie-media{margin:0;background:var(--panel);border:1px solid var(--line3);padding:10px;max-width:440px}
.freebie-media img{border:1px solid var(--line);max-width:420px;width:100%;margin:0 auto}
.freebie-copy{color:var(--steel2)}
.upsell{margin-top:28px;background:var(--panel);border:1px solid var(--line);padding:22px}
.upsell h3{font-size:24px}

@media (max-width:600px){
  .page-hero{padding:32px 0 38px}
  .page-sub{font-size:17px}
  .product-grid,.gallery{grid-template-columns:1fr}
  .bundle-body{padding:22px 20px 24px}
  .faq-item summary{font-size:17px}
  body{font-size:16px}
  .hero{padding:44px 0 52px}
  .hero-sub{font-size:18px}
  .section{padding:56px 0}
  .btn-lg{font-size:19px;padding:14px 20px;width:100%;text-align:center}
  .hero::after{width:260px;height:228px;right:-70px;bottom:-60px}
  .lede{font-size:18px}
  .math-card h3,.math-card .math,.math-card p{margin-left:18px;margin-right:18px}
}
.product-actions + .fine{margin-top:14px}
@media (max-width:959px){.detail-grid .buy-box{order:-1;max-width:520px}}
.math-card .math-kicker{margin:0 0 18px}
.bundle-media{padding:20px}
.bundle-media img{border:1px solid var(--line3)}