/* StrollerFitCheck — editorial design system (UPPAbaby-inspired) */
:root{
  --ink:#0F0C0A;
  --ink-soft:#3a3431;
  --muted:#6f6a63;
  --paper:#ffffff;
  --cream:#F7F7F7;
  --sand:#F5F4F2;
  --line:#e8e2d8;
  --accent:#0f766e;
  --accent-d:#0b5a55;
  --accent-tint:#e9f4f2;
  --ok:#15803d;
  --ok-bg:#edf7ef;
  --rust:#c05f3c;
  --rust-d:#a34e30;
  --warn:#b91c1c;
  --warn-bg:#fdf0ee;
  --amber:#b45309;
  --amber-bg:#fdf6e9;
  --radius:20px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 20px 50px -20px rgba(15,12,10,.22);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.65;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased}
img{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:780px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:90px}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex:none;overflow:hidden}
.brand-mark img{width:34px;height:34px;display:block}
.foot-mark{width:20px;height:20px;border-radius:5px;vertical-align:-5px;margin-right:7px}
.brand-name{font-weight:800;font-size:18px;letter-spacing:-.3px;line-height:1.1}
.brand-name em{font-style:normal;color:var(--accent)}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.2px}
nav.main{display:flex;gap:26px}
nav.main a{color:var(--ink-soft);text-decoration:none;font-size:14.5px;font-weight:600}
nav.main a:hover{color:var(--accent-d)}
@media(max-width:760px){nav.main{display:none}}

/* ---------- eyebrow / type ---------- */
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.2px;text-transform:uppercase;color:var(--accent-d);margin-bottom:14px}
h1.serif,h2.serif{font-family:var(--serif);font-weight:560;letter-spacing:-.01em;line-height:1.12}
.section{padding:76px 0}
.section-cream{background:var(--cream)}
.sec-head{max-width:680px;margin-bottom:36px}
.sec-head h2{font-family:var(--serif);font-size:clamp(28px,4vw,40px);font-weight:560;letter-spacing:-.01em;line-height:1.25;margin-bottom:10px}
.sec-head p{color:var(--muted);font-size:16px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:86vh;display:flex;align-items:flex-end;overflow:hidden;background:#1a1714}
.hero-bg{position:absolute;inset:0;background:url("images/hero-vista-hill.webp") center 38%/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,8,6,.28) 0%,rgba(10,8,6,0) 34%,rgba(10,8,6,.42) 100%)}
.hero .wrap{position:relative;z-index:2;padding-bottom:64px;padding-top:120px}
.glass{background:rgba(255,255,255,.78);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.65);border-radius:24px;padding:38px 40px;max-width:600px;box-shadow:var(--shadow)}
.glass h1{font-family:var(--serif);font-size:clamp(34px,5.4vw,56px);font-weight:560;letter-spacing:-.015em;line-height:1.06;margin-bottom:14px}
.glass p{color:var(--ink-soft);font-size:16.5px;margin-bottom:24px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.btn-pill{display:inline-flex;align-items:center;justify-content:center;padding:15px 28px;border-radius:999px;font-weight:700;font-size:15.5px;text-decoration:none;min-height:54px;transition:transform .15s ease,box-shadow .15s ease}
.btn-dark{background:var(--ink);color:var(--cream)}
.btn-dark:hover{transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(15,12,10,.5)}
.btn-ghost{background:rgba(15,12,10,.06);color:var(--ink);border:1px solid rgba(15,12,10,.16)}
.btn-ghost:hover{background:rgba(15,12,10,.1)}
@media(max-width:640px){.glass{padding:28px 24px}.hero{min-height:92vh}}
/* ---------- mobile hero: portrait crops keep the stroller in frame ---------- */
@media(max-width:640px){
.hero{min-height:76vh}
.hero-bg{background-image:url("images/hero-vista-hill-mobile.webp");background-position:center 30%}
.hero .wrap{padding-top:96px;padding-bottom:38px}
.glass{padding:26px 22px}
.glass h1{font-size:clamp(30px,8.6vw,38px)}
.glass p{font-size:15.5px}
.article-hero{min-height:54vh}
.article-hero.vista .hero-bg{background-image:url("images/street-vista-mobile.webp");background-position:center 35%}
.article-hero.ridge .hero-bg{background-image:url("images/ridge-coast-mobile.webp");background-position:center 35%}
.article-hero .wrap-narrow{padding-top:90px;padding-bottom:34px}
.band .wrap{padding-top:72px;padding-bottom:72px}
}

/* ---------- trust strip ---------- */
.trust{background:var(--ink);color:var(--cream)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:34px;padding-bottom:34px}
.trust-stat{text-align:center}
.trust-stat .n{font-family:var(--serif);font-size:clamp(26px,3.4vw,38px);font-weight:600;color:#fff}
.trust-stat .l{font-size:13px;letter-spacing:.6px;text-transform:uppercase;color:#b9b2a8;margin-top:4px}
@media(max-width:640px){.trust .wrap{grid-template-columns:repeat(2,1fr)}}

/* ---------- finder ---------- */
.finder-card{background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:44px;box-shadow:var(--shadow)}
@media(max-width:640px){.finder-card{padding:28px 22px}}
.finder-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px}
@media(max-width:680px){.finder-grid{grid-template-columns:1fr}}
.field label{display:block;font-weight:700;font-size:14px;margin-bottom:10px}
.field select{width:100%;padding:16px 44px 16px 18px;font-size:16px;font-family:var(--sans);border:1.5px solid var(--line);border-radius:14px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%230F0C0A' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") right 18px center no-repeat;appearance:none;-webkit-appearance:none;min-height:58px;color:var(--ink)}
.field select:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.result{margin-top:26px;border-top:1px solid var(--line);padding-top:24px;display:none}
.result.show{display:block}
.result h3{font-family:var(--serif);font-size:22px;font-weight:600;margin-bottom:14px}
.pill{display:inline-flex;align-items:center;gap:7px;background:var(--accent-tint);color:var(--accent-d);border-radius:999px;padding:8px 15px;font-size:13.5px;font-weight:700;margin:0 8px 8px 0}
.pill::before{content:"✓";font-weight:800}
.pill.no{background:var(--warn-bg);color:var(--warn)}
.pill.no::before{content:"✕"}

/* ---------- finder tabs + model photo picker ---------- */
.finder-tabs{display:flex;gap:6px;background:var(--sand);border-radius:999px;padding:6px;margin-bottom:32px}
.ftab{flex:1;border:none;background:transparent;font-family:var(--sans);font-size:16px;font-weight:700;color:var(--muted);padding:15px 10px;border-radius:999px;cursor:pointer;transition:background .15s ease,color .15s ease,box-shadow .15s ease}
.ftab.active{background:#fff;color:var(--ink);font-weight:800;box-shadow:0 4px 14px -4px rgba(15,12,10,.18)}
.pick-label{font-size:17px;font-weight:700;margin:0 0 16px;color:var(--ink)}
.model-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
@media(max-width:900px){.model-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.model-grid{grid-template-columns:repeat(2,1fr)}}
.model-card{position:relative;background:#fff;border:1.5px solid var(--line);border-radius:18px;padding:14px 10px 12px;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer;font-family:var(--sans);font-size:15px;font-weight:700;color:var(--ink);transition:border-color .15s ease,box-shadow .15s ease,transform .12s ease}
.model-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(15,12,10,.25)}
.model-card img{width:100%;aspect-ratio:1;object-fit:contain;border-radius:12px;background:#fff}
.model-card.sel{border-color:var(--rust);box-shadow:0 0 0 1px var(--rust)}
.mcheck{position:absolute;right:10px;bottom:10px;width:26px;height:26px;border-radius:50%;background:var(--rust);color:#fff;font-size:14px;font-weight:800;display:none;align-items:center;justify-content:center;line-height:1}
.model-card.sel .mcheck{display:flex}
.gen-note{color:var(--muted);font-size:14.5px;margin:18px 0 0}
.result-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px}
.result-head h3{margin-bottom:0}
.matches{color:var(--rust);font-weight:800;font-size:17px;white-space:nowrap}

/* ---------- method steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.step .num{font-family:var(--serif);font-size:15px;font-weight:700;color:var(--accent-d);letter-spacing:1.5px;margin-bottom:10px}
.step h3{font-size:18px;margin-bottom:8px;letter-spacing:-.2px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- parts grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:22px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card-media{position:relative;background:var(--cream);aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;overflow:hidden}
.card-media img{max-width:82%;max-height:82%;object-fit:contain}
.badge{position:absolute;top:12px;left:12px;font-size:11.5px;font-weight:800;letter-spacing:.4px;border-radius:999px;padding:5px 12px;text-transform:uppercase}
.badge.high{background:var(--ok-bg);color:var(--ok)}
.badge.medium{background:var(--amber-bg);color:var(--amber)}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.card .type{font-size:11.5px;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted);margin-bottom:8px;font-weight:700}
.card h3{font-size:19px;letter-spacing:-.2px;margin-bottom:4px;line-height:1.35}
.card .pn{font-size:12.5px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:12px}
.card .price{font-family:var(--serif);font-size:28px;font-weight:600;margin-bottom:14px}
.card .price small{font-size:12.5px;font-weight:400;color:var(--muted);font-family:var(--sans)}
.fits{font-size:14.5px;margin-bottom:10px;color:var(--ink-soft)}
.fits strong{color:var(--ok)}
.warn{background:var(--warn-bg);border-left:3px solid var(--warn);padding:11px 13px;font-size:13.5px;border-radius:0 10px 10px 0;margin:12px 0;color:#7f1d1d;line-height:1.55}
.buy{margin-top:auto;padding-top:16px;display:flex;flex-direction:column;gap:9px}
.btn{display:block;text-align:center;padding:14px 16px;border-radius:12px;font-weight:700;font-size:15px;text-decoration:none;min-height:50px;transition:transform .15s ease}
.btn-amz{background:#ff9900;color:#141414}
.btn-amz:hover{background:#f09000;transform:translateY(-1px)}
.btn-ret{background:var(--ink);color:var(--cream)}
.btn-ret:hover{background:#2a2521;transform:translateY(-1px)}

/* ---------- lifestyle band ---------- */
.band{position:relative;overflow:hidden;color:#fff;background:#1a1714}
.band-bg{position:absolute;inset:0;background:url("images/street-vista.webp") center 42%/cover no-repeat}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,8,6,.78) 0%,rgba(10,8,6,.45) 55%,rgba(10,8,6,.12) 100%)}
.band .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:96px;max-width:1200px}
.band-copy{max-width:520px}
.band-copy h2{font-family:var(--serif);font-size:clamp(30px,4.4vw,46px);font-weight:560;letter-spacing:-.01em;line-height:1.1;margin-bottom:16px}
.band-copy p{color:#e8e2d8;font-size:16.5px;margin-bottom:12px}
.band-copy .eyebrow{color:#7fd1c7}

/* ---------- guides ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:860px){.grid3{grid-template-columns:1fr}}
.gcard{display:block;background:var(--paper);border:1px solid var(--line);border-radius:22px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .18s ease,box-shadow .18s ease}
.gcard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.gcard-img{aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.gcard-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.gcard:hover .gcard-img img{transform:scale(1.04)}
.gcard-body{padding:24px}
.gcard-body strong{display:block;font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:-.01em;line-height:1.25;margin:8px 0 8px}
.gcard-body span{font-size:14.5px;color:var(--muted)}
.gcard-body .go{display:inline-block;margin-top:14px;font-weight:700;font-size:14px;color:var(--accent-d)}

/* ---------- faq ---------- */
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;padding:18px 22px}
.faq summary{font-weight:700;font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:30px;height:30px;border-radius:50%;background:var(--cream);color:var(--accent-d);font-size:18px;display:flex;align-items:center;justify-content:center}
.faq details[open] summary::after{content:"–"}
.faq .a{margin-top:12px;font-size:15px;color:var(--ink-soft)}

/* ---------- disclosure / method / footer ---------- */
.disclosure{background:#fffbeb;border:1px solid #f5df9a;border-radius:var(--radius);padding:22px 24px;font-size:13.5px;color:#92400e;margin-top:26px;margin-bottom:26px;line-height:1.6}
.method{font-size:13.5px;color:var(--muted);margin-bottom:0;padding-bottom:70px}
footer.site{background:var(--sand);border-top:1px solid var(--line);padding:52px 0 44px;font-size:13.5px;color:var(--muted)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:34px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font-size:12px;text-transform:uppercase;letter-spacing:1.4px;color:var(--ink);margin-bottom:12px}
.foot-grid a{display:block;color:var(--muted);text-decoration:none;margin-bottom:8px;font-size:14px}
.foot-grid a:hover{color:var(--accent-d)}
.foot-base{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---------- article pages ---------- */
.article-hero{position:relative;min-height:62vh;display:flex;align-items:flex-end;overflow:hidden;background:#1a1714}
.article-hero .hero-bg{position:absolute;inset:0}
.article-hero.vista .hero-bg{background:url("images/street-vista.webp") center 42%/cover no-repeat}
.article-hero.adapters .hero-bg{background:url("images/accessories-detail.webp") center 55%/cover no-repeat}
.article-hero.ridge .hero-bg{background:url("images/ridge-coast.webp") center 45%/cover no-repeat}
.article-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,8,6,.3) 0%,rgba(10,8,6,0) 40%,rgba(10,8,6,.5) 100%)}
.article-hero .wrap-narrow{position:relative;z-index:2;padding-bottom:52px;padding-top:110px;max-width:780px;margin:0 auto}
.crumbs{font-size:13px;color:#d8d2c8;margin-bottom:16px}
.crumbs a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.5)}
article.prose{padding:44px 0 10px}
article.prose h1{font-family:var(--serif);font-size:clamp(30px,5vw,44px);font-weight:560;letter-spacing:-.015em;line-height:1.12;margin-bottom:12px}
article.prose .meta{font-size:13px;color:var(--muted);margin-bottom:26px;letter-spacing:.3px}
article.prose h2{font-family:var(--serif);font-size:26px;font-weight:600;letter-spacing:-.01em;margin:38px 0 12px}
article.prose p{margin-bottom:15px;color:var(--ink-soft);font-size:16.5px}
article.prose ul{margin:0 0 18px 22px;color:var(--ink-soft);font-size:16px}
article.prose li{margin-bottom:9px}
.keyfacts{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:22px 24px;margin:26px 0;box-shadow:0 8px 24px -14px rgba(15,12,10,.25)}
.keyfacts ul{list-style:none;margin:0}
.keyfacts li{padding:7px 0 7px 30px;position:relative;font-size:15.5px}
.keyfacts li::before{content:"✓";position:absolute;left:4px;color:var(--ok);font-weight:800}
.tip{background:var(--ok-bg);border-left:3px solid var(--ok);padding:12px 14px;font-size:14.5px;border-radius:0 10px 10px 0;margin:16px 0;color:#14532d}
table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line)}
th{background:var(--ink);color:var(--cream);font-size:12px;text-transform:uppercase;letter-spacing:1px;font-weight:700}
td.yes{color:var(--ok);font-weight:700}
td.no{color:var(--warn);font-weight:700}
td.maybe{color:var(--amber);font-weight:700}
.buybox{display:grid;grid-template-columns:150px 1fr;gap:20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:20px 0;align-items:center}
@media(max-width:560px){.buybox{grid-template-columns:1fr}}
.buybox .bimg{background:var(--cream);border-radius:12px;aspect-ratio:1;display:flex;align-items:center;justify-content:center;overflow:hidden}
.buybox .bimg img{max-width:88%;max-height:88%;object-fit:contain}
.buybox strong{display:block;font-size:17px;margin-bottom:12px;letter-spacing:-.2px}
.buybox .btn{margin-bottom:8px}
.related{margin:34px 0}
.related h2{font-family:var(--serif);font-size:24px;margin-bottom:16px}
.related a{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px;text-decoration:none;color:var(--ink);font-weight:600}
.related a small{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:3px}
.related a:hover{border-color:var(--accent)}

/* ---------- stroller model dropdown with photos ---------- */
.model-dd{position:relative}
.model-dd-btn{width:100%;min-height:58px;padding:8px 44px 8px 10px;font-size:16px;font-family:var(--sans);border:1.5px solid var(--line);border-radius:14px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%230F0C0A' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") right 18px center no-repeat;color:var(--ink);display:flex;align-items:center;gap:12px;cursor:pointer;text-align:left}
.model-dd-btn:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.model-dd-btn img{width:44px;height:44px;object-fit:cover;border-radius:10px;background:var(--sand);flex:none}
.model-dd-btn-label{color:var(--muted)}
.model-dd-btn.has-sel .model-dd-btn-label{color:var(--ink);font-weight:600}
.model-dd-list{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:60;background:#fff;border:1.5px solid var(--line);border-radius:14px;box-shadow:var(--shadow);list-style:none;padding:6px;margin:0;max-height:352px;overflow-y:auto}
.model-dd-list li{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:10px;cursor:pointer;font-size:15px;font-weight:600;color:var(--ink)}
.model-dd-list li:hover{background:var(--sand)}
.model-dd-list li[aria-selected="true"]{background:var(--accent-tint)}
.model-dd-list li img{width:52px;height:52px;object-fit:cover;border-radius:10px;background:var(--sand);flex:none}