/* Fizzwick prebiotic soda. Demonstration store by Cartwright Systems, 19 Sep 2026.
   One loud flavour colour per section; the picker swaps --f (flavour), --fp (pale) and --fd (deep). */
:root{
  --ink:#231a14;--ink2:#5a4a3e;--paper:#fff8ef;--cream:#fdf1dc;--line:rgba(35,26,20,.12);
  --f:#E0521F;--fp:#FFD9C7;--fd:#9c3410;
  --serif:"Fraunces",Georgia,serif;--sans:"DM Sans",system-ui,sans-serif;
  --wrap:min(100rem,100% - 2*var(--gut));--gut:clamp(1.1rem,4vw,3.5rem);--r:1.6rem;
  --ease:cubic-bezier(.2,.7,.2,1);
}
[data-flavour="blood-orange"]{--f:#E0521F;--fp:#FFD9C7;--fd:#9c3410}
[data-flavour="ginger"]{--f:#D9A21B;--fp:#FFF1C2;--fd:#8a6306}
[data-flavour="passionfruit"]{--f:#8E4BC7;--fp:#EBD9FF;--fd:#5a2a8a}
[data-flavour="cola"]{--f:#5A2A15;--fp:#F2D9C8;--fd:#2e1408}
[data-flavour="lime-yuzu"]{--f:#3F9A2F;--fp:#DFF5C9;--fd:#22601a}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.5;font-size:1.0625rem;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit}button{font:inherit;cursor:pointer}
.wrap{width:var(--wrap);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem}.skip:focus{left:1rem;z-index:99}
h1,h2,h3{font-family:var(--serif);font-weight:700;letter-spacing:-.02em;line-height:1.02;margin:0;font-variation-settings:"SOFT" 100,"opsz" 144}
.h1{font-size:clamp(3rem,8.5vw,7.5rem)}.h2{font-size:clamp(2.1rem,5vw,4.2rem)}.h3{font-size:clamp(1.35rem,2.2vw,1.9rem)}
.eyebrow{font-weight:700;letter-spacing:.18em;text-transform:uppercase;font-size:.75rem}
.lede{font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--ink2);max-width:42ch}
.btn{display:inline-flex;align-items:center;gap:.6rem;border:0;border-radius:999px;padding:1rem 1.6rem;font-weight:700;text-decoration:none;background:var(--ink);color:#fff;transition:transform .25s var(--ease),background .25s var(--ease)}
.btn:hover{transform:translateY(-2px)}.btn--f{background:var(--f);color:#fff}.btn--pale{background:var(--fp);color:var(--fd)}.btn--ghost{background:transparent;border:2px solid currentColor}
/* topbar + nav */
.topbar{background:var(--ink);color:var(--paper);font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;overflow:hidden}
.mq{display:flex;gap:3rem;white-space:nowrap;animation:mq 28s linear infinite;padding:.55rem 0;width:max-content}
.mq span{padding-inline:1.5rem}@keyframes mq{to{transform:translateX(-50%)}}
.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%,#fff);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.9rem}
.brand{font-family:var(--serif);font-weight:700;font-size:1.9rem;letter-spacing:-.03em;text-decoration:none;color:var(--f);transition:color .4s var(--ease);font-variation-settings:"SOFT" 100}
.nav ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0}.nav li a{text-decoration:none;font-weight:600;font-size:.95rem}
.nav .cart{display:inline-flex;align-items:center;gap:.5rem;border:2px solid var(--ink);border-radius:999px;padding:.45rem .9rem;font-weight:700;font-size:.9rem;text-decoration:none}
@media (max-width:52rem){.nav ul{display:none}}
/* hero */
.hero{background:var(--f);color:#fff;transition:background .6s var(--ease);position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1fr;gap:2rem;align-items:center;min-height:min(86vh,52rem);padding-block:clamp(2rem,5vw,4rem)}
@media (min-width:60rem){.hero-in{grid-template-columns:minmax(20rem,42rem) 1fr;gap:3rem}}
.hero .eyebrow{color:var(--fp)}.hero .h1{color:#fff}
.hero .h1 em{font-style:italic;font-weight:400;color:var(--fp)}
.hero .lede{color:color-mix(in srgb,#fff 84%,var(--f));max-width:38ch}
.hero-art{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:var(--fd);box-shadow:0 40px 80px -30px rgba(0,0,0,.45)}
.hero-art img{width:100%;height:100%;object-fit:cover;transition:opacity .5s var(--ease)}
.hero-art .badge{position:absolute;left:1.2rem;top:1.2rem;background:var(--paper);color:var(--fd);border-radius:999px;padding:.5rem 1rem;font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.hero-proof{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:1.4rem;font-size:.9rem;color:var(--fp);font-weight:600}
/* flavour picker */
.picker{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.8rem}
.chip{display:inline-flex;align-items:center;gap:.55rem;border:2px solid rgba(255,255,255,.55);background:transparent;color:#fff;border-radius:999px;padding:.55rem 1rem .55rem .6rem;font-weight:700;font-size:.9rem;transition:all .25s var(--ease)}
.chip i{width:1.25rem;height:1.25rem;border-radius:50%;background:var(--c);border:2px solid #fff;display:inline-block}
.chip[aria-pressed="true"]{background:#fff;color:var(--fd);border-color:#fff}
.chip:hover{transform:translateY(-2px)}
/* stats */
.stats{background:var(--cream)}
.stats-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1.5rem;padding-block:clamp(2.5rem,6vw,5rem)}
.stat b{display:block;font-family:var(--serif);font-size:clamp(3rem,7vw,6rem);line-height:1;color:var(--f);transition:color .5s var(--ease);font-variation-settings:"SOFT" 100,"opsz" 144}
.stat p{margin:.4rem 0 0;color:var(--ink2);max-width:22ch}
/* sections */
.sec{padding-block:clamp(3rem,8vw,7rem)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:2rem;flex-wrap:wrap;margin-bottom:clamp(1.5rem,3vw,2.5rem)}
.flavours{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.2rem}
.fl{display:block;text-decoration:none;border-radius:var(--r);overflow:hidden;background:var(--c);color:#fff;position:relative;isolation:isolate;transition:transform .35s var(--ease)}
.fl:hover{transform:translateY(-6px)}
.fl img{aspect-ratio:1;object-fit:cover;width:100%;transition:transform .8s var(--ease)}.fl:hover img{transform:scale(1.04)}
.fl .fl-b{padding:1.1rem 1.2rem 1.3rem;display:flex;justify-content:space-between;align-items:end;gap:1rem}
.fl h3{font-size:1.4rem;color:#fff}.fl small{display:block;opacity:.85;margin-top:.25rem;font-weight:600}
.fl .price{font-weight:800;background:rgba(255,255,255,.18);border-radius:999px;padding:.35rem .75rem;font-size:.9rem;white-space:nowrap}
/* taste band */
.band{background:var(--f);color:#fff;transition:background .6s var(--ease)}
.band-in{display:grid;gap:2rem;align-items:center;padding-block:clamp(3rem,8vw,6rem)}
@media (min-width:60rem){.band-in{grid-template-columns:1.1fr .9fr}}
.band img{border-radius:var(--r);aspect-ratio:3/2;object-fit:cover;width:100%}
.band .h2{color:#fff}.band .h2 em{font-style:italic;font-weight:400;color:var(--fp)}
.band p{color:color-mix(in srgb,#fff 84%,var(--f));max-width:44ch}
.ticks{list-style:none;padding:0;margin:1.4rem 0 0;display:grid;gap:.6rem}
.ticks li{display:flex;gap:.7rem;align-items:baseline;font-weight:600}.ticks li::before{content:"";width:.7rem;height:.7rem;border-radius:50%;background:var(--fp);flex:none;transform:translateY(-.1em)}
/* subscribe */
.sub{background:var(--ink);color:var(--paper)}
.sub-in{display:grid;gap:2rem;padding-block:clamp(3rem,8vw,6rem);align-items:center}
@media (min-width:60rem){.sub-in{grid-template-columns:1fr 1fr}}
.sub .h2{color:var(--paper)}.sub .h2 em{color:var(--f);font-style:italic;font-weight:400}
.plans{display:grid;gap:.8rem}
.plan{display:flex;justify-content:space-between;align-items:center;gap:1rem;border:1px solid rgba(255,248,239,.18);border-radius:1.1rem;padding:1rem 1.2rem;text-decoration:none}
.plan b{font-size:1.1rem}.plan small{display:block;opacity:.7;margin-top:.2rem}.plan .pp{font-family:var(--serif);font-size:1.6rem;font-weight:700;white-space:nowrap}
.plan--hot{background:var(--f);border-color:var(--f);color:#fff}
/* reviews */
.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1.2rem}
.rv{background:#fff;border:1px solid var(--line);border-radius:1.3rem;padding:1.3rem}
.rv .stars{color:var(--f);letter-spacing:.1em;font-size:.9rem}.rv h4{margin:.6rem 0 .4rem;font-family:var(--serif);font-size:1.15rem}.rv p{margin:0;color:var(--ink2);font-size:.95rem}.rv small{display:block;margin-top:.8rem;font-weight:700}
.note{font-size:.8rem;color:var(--ink2);margin-top:1rem}
/* faq */
.faq details{border-top:1px solid var(--line);padding:1rem 0}.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-family:var(--serif);font-size:1.6rem;color:var(--f)}.faq details[open] summary::after{content:"\2013"}
.faq p{color:var(--ink2);max-width:60ch}
/* footer */
.foot{background:var(--cream);border-top:1px solid var(--line)}
.foot-in{display:grid;gap:2rem;padding-block:clamp(2.5rem,6vw,4.5rem);grid-template-columns:repeat(auto-fit,minmax(12rem,1fr))}
.foot h4{margin:0 0 .8rem;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase}.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}.foot a{text-decoration:none;color:var(--ink2)}
.foot .brand{font-size:2.2rem}.foot-legal{border-top:1px solid var(--line);padding-block:1.2rem;font-size:.8rem;color:var(--ink2);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.mq{animation:none}}
/* product page */
.pdp{display:grid;gap:2.5rem;padding-block:clamp(2rem,5vw,4rem)}
@media (min-width:60rem){.pdp{grid-template-columns:1.15fr .85fr;align-items:start}}
.gallery{display:grid;gap:.8rem;grid-template-columns:1fr 1fr}
.gallery img{border-radius:1.2rem;aspect-ratio:1;object-fit:cover;width:100%;background:var(--fp)}
.gallery img:first-child{grid-column:1/-1;aspect-ratio:4/3}
.buy{position:sticky;top:5.5rem}
.buy .h2{font-size:clamp(2rem,4vw,3.2rem)}
.buy .price{font-family:var(--serif);font-size:2rem;margin:.6rem 0 1rem}.buy .price small{font-family:var(--sans);font-size:.9rem;color:var(--ink2);font-weight:600;margin-left:.5rem}
.opts{display:grid;gap:.6rem;margin:1.2rem 0}
.opt{display:flex;justify-content:space-between;align-items:center;gap:1rem;border:2px solid var(--line);border-radius:1rem;padding:.9rem 1.1rem;cursor:pointer}
.opt input{accent-color:var(--f)}.opt b{display:block}.opt small{color:var(--ink2)}.opt .op{font-weight:800}
.opt:has(input:checked){border-color:var(--f);background:color-mix(in srgb,var(--fp) 60%,#fff)}
.swatches{display:flex;gap:.5rem;flex-wrap:wrap;margin:.8rem 0 1.2rem}
.swatch{width:2.2rem;height:2.2rem;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px var(--line);background:var(--c)}.swatch[aria-pressed="true"]{box-shadow:0 0 0 3px var(--ink)}
.nutri{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin-top:1.4rem}
.nutri div{background:var(--cream);border-radius:1rem;padding:.9rem;text-align:center}.nutri b{display:block;font-family:var(--serif);font-size:1.6rem;color:var(--f)}.nutri small{color:var(--ink2);font-weight:600}
.trust{display:flex;gap:1.2rem;flex-wrap:wrap;margin-top:1.2rem;font-size:.9rem;font-weight:600;color:var(--ink2)}
.accordion details{border-top:1px solid var(--line);padding:.9rem 0}.accordion summary{font-weight:700;cursor:pointer}
/* collection */
.coll-hero{background:var(--f);color:#fff;padding-block:clamp(3rem,7vw,5rem)}.coll-hero .h1{font-size:clamp(2.6rem,7vw,5.5rem);color:#fff}
.packs{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.2rem;margin-top:2rem}
.pack{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;display:grid;gap:.6rem}
.pack img{border-radius:1rem;aspect-ratio:1;object-fit:cover;background:var(--cream)}