/* Where's Kate? — minimal streetwear one-pager. Mobile-first. */
:root{
  --black:#0a0a0a; --ink:#141414; --white:#fff; --grey:#9a9a9a; --line:#262626;
  --accent:#ff4d2e;           /* the one accent colour */
  --head:'Anton', Impact, 'Arial Narrow Bold', sans-serif;
  --body:system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --pad:clamp(20px, 5vw, 56px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--black);color:var(--white);font:16px/1.55 var(--body);-webkit-font-smoothing:antialiased;padding-bottom:76px}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,.logo,.footer-logo,.price,.btn,.marquee,summary,.steps b,.spec strong{font-family:var(--head);font-weight:400;letter-spacing:.01em}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:14px var(--pad);background:rgba(10,10,10,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.logo{font-size:22px;text-decoration:none;line-height:1}
.topbar-buy{font-size:13px;font-weight:600;text-decoration:none;text-transform:uppercase;letter-spacing:.08em;color:var(--accent)}

/* hero */
.hero{display:grid}
.hero-media{background:#e9e7e3}
.hero-media img{width:100%;aspect-ratio:1/1;object-fit:cover}
.hero-copy{padding:28px var(--pad) 40px}
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--grey);display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(255,77,46,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(255,77,46,0)}100%{box-shadow:0 0 0 0 rgba(255,77,46,0)}}
h1{font-size:clamp(64px, 22vw, 168px);line-height:.9;margin:14px 0 16px;text-transform:uppercase}
.lede{color:#cfcfcf;max-width:34ch;font-size:17px}
.price-row{display:flex;align-items:center;gap:12px;margin:22px 0 18px;flex-wrap:wrap}
.price{font-size:44px;line-height:1}
.tag{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:6px 10px;border:1px solid var(--accent);color:var(--accent);border-radius:999px}
.micro{font-size:12px;color:var(--grey);margin-top:12px}

/* buttons */
.btn{display:flex;justify-content:center;align-items:center;min-height:58px;padding:0 28px;font-size:22px;text-transform:uppercase;text-decoration:none;border-radius:0;transition:transform .15s ease, background .15s ease}
.btn-buy{background:var(--accent);color:var(--black)}
.btn-buy:hover{background:var(--white)}
.btn-buy:active{transform:scale(.98)}
.btn-invert{background:var(--black);color:var(--white)}
.btn-invert:hover{background:var(--accent);color:var(--black)}
.btn-small{min-height:44px;font-size:18px;padding:0 20px}
.btn:focus-visible,.topbar-buy:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:12px 0;font-size:20px;white-space:nowrap}
.marquee-track{display:inline-flex;gap:28px;animation:scroll 22s linear infinite;padding-left:28px}
.marquee-track span:nth-child(even){color:var(--accent)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* sections */
.section{padding:56px var(--pad)}
.section h2{font-size:clamp(44px, 12vw, 88px);line-height:.95;margin-bottom:24px}
.spec{list-style:none;border-top:1px solid var(--line)}
.spec li{display:grid;gap:4px;padding:18px 0;border-bottom:1px solid var(--line)}
.spec strong{font-size:22px;text-transform:uppercase}
.spec span{color:#cfcfcf}

.price-card{background:var(--white);color:var(--black);padding:32px 24px}
.price-card h2{font-size:clamp(72px, 22vw, 128px);margin-bottom:4px}
.price-card .sub{font-weight:600;margin-bottom:24px}
.steps{list-style:none;margin-bottom:28px}
.steps li{display:grid;grid-template-columns:44px 1fr;gap:8px;padding:14px 0;border-top:1px solid #ddd}
.steps b{font-size:22px;color:var(--accent)}
.steps strong{display:block;text-transform:uppercase;font-size:13px;letter-spacing:.08em}
.price-card .micro{color:#666}

.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 36px 20px 0;font-size:22px;text-transform:uppercase;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--accent);font-size:30px;transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{color:#cfcfcf;padding:0 0 22px;max-width:62ch}
.faq a{color:var(--accent)}

/* footer */
.footer{padding:48px var(--pad) 32px;border-top:1px solid var(--line);color:var(--grey);font-size:14px}
.footer-logo{font-size:clamp(40px, 14vw, 120px);color:var(--white);line-height:1;margin-bottom:16px}
.footer a{color:var(--white)}
.legal{font-size:12px;margin-top:14px;max-width:80ch}

/* sticky mobile buy bar */
.sticky-buy{position:fixed;inset:auto 0 0 0;z-index:30;display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px var(--pad) calc(12px + env(safe-area-inset-bottom));background:var(--ink);border-top:1px solid var(--line);font-size:14px}

/* desktop */
@media (min-width:900px){
  body{padding-bottom:0}
  .sticky-buy{display:none}
  .hero{grid-template-columns:1fr 1fr;align-items:stretch}
  .hero-media{display:flex;align-items:center}
  .hero-copy{display:flex;flex-direction:column;justify-content:center;padding:56px var(--pad)}
  .hero-copy .btn{align-self:flex-start;min-width:280px}
  .section{max-width:1200px;margin:0 auto;padding-block:96px}
  .details{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:start}
  .price-card{display:grid;grid-template-columns:1fr 1fr;column-gap:56px;padding:56px}
  .price-card h2,.price-card .sub{grid-column:1}
  .price-card .steps{grid-column:2;grid-row:1 / span 4}
  .price-card .btn{grid-column:1;align-self:end}
  .price-card .micro{grid-column:1}
  .faq{display:grid;grid-template-columns:1fr 1.4fr;column-gap:48px}
  .faq h2{grid-row:1 / span 6}
  .faq details{grid-column:2}
}
@media (prefers-reduced-motion:reduce){.marquee-track,.dot{animation:none}html{scroll-behavior:auto}}