/* ============================================================
   BritSofa — Premium Digital Furniture Commerce Platform
   Design system: warm ivory / charcoal / restrained navy accent
   Fonts: Fraunces (display) + Manrope (sans)
   ============================================================ */
:root{
  --ivory:#f6f2ea; --ivory-2:#efe9dd; --paper:#fffdf9;
  --charcoal:#20211f; --ink:#33342f; --muted:#6f6f68;
  --line:#e3dccf; --line-2:#d8d0c0;
  --navy:#1b2a4a; --navy-2:#26365c; --navy-ink:#0f1830;
  --accent:#b0894e; --accent-2:#caa46a;
  --sand:#e9e0d1;
  --ok:#2f7d55; --warn:#9a6a1e;
  --shadow:0 18px 50px -22px rgba(30,26,18,.35);
  --shadow-sm:0 8px 24px -14px rgba(30,26,18,.30);
  --r:16px; --r-lg:24px; --r-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1240px;
  --nav-h:74px;
  --disp:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--ivory);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--disp);color:var(--charcoal);font-weight:500;line-height:1.08;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:400}
h2{font-size:clamp(1.8rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.2rem,2vw,1.6rem)}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.eyebrow{font-family:var(--sans);font-weight:700;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0 0 14px}
.sec{padding:clamp(56px,8vw,110px) 0}
.center{text-align:center}
.lead{font-size:clamp(1.02rem,1.4vw,1.18rem);color:var(--muted);max-width:60ch}
.center .lead{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--sans);font-weight:600;font-size:.95rem;
  padding:.92em 1.7em;border-radius:100px;border:1px solid transparent;cursor:pointer;transition:.3s var(--ease);white-space:nowrap}
.btn .ar{transition:transform .3s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}
.btn-dark{background:var(--charcoal);color:#f6f2ea}
.btn-dark:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--charcoal)}
.btn-ghost:hover{background:#fff;border-color:var(--charcoal);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--charcoal)}
.btn-light:hover{background:var(--ivory)}
.btn-sm{padding:.6em 1.15em;font-size:.85rem}

/* ---------- NAV ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);display:flex;align-items:center;
  transition:.35s var(--ease);background:transparent}
.nav.solid{background:rgba(246,242,234,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);height:64px}
.nav .wrap{display:flex;align-items:center;gap:20px;width:100%}
.brand{display:inline-flex;align-items:center}
.brand-plate{display:inline-flex;align-items:center;justify-content:center;background:#fdf8ef;border-radius:14px;padding:7px 13px;
  border:1px solid rgba(30,26,18,.07);
  box-shadow:0 6px 18px -8px rgba(30,26,18,.30),0 1px 2px rgba(30,26,18,.06);transition:.35s var(--ease)}
.brand-plate img{height:44px;width:auto;display:block;object-fit:contain;image-rendering:auto}
.nav.solid .brand-plate{padding:5px 11px;box-shadow:0 3px 10px -6px rgba(30,26,18,.26),0 1px 2px rgba(30,26,18,.05)}
.nav.solid .brand-plate img{height:38px}
.nav.on-dark:not(.solid) .brand-plate{border-color:rgba(255,255,255,.55);box-shadow:0 8px 22px -8px rgba(0,0,0,.42)}
@media(max-width:560px){.brand-plate img{height:38px}.nav.solid .brand-plate img{height:34px}}
.nav.on-dark:not(.solid) .brand,.nav.on-dark:not(.solid) .nav-links a,.nav.on-dark:not(.solid) .nav-ic{color:#f3ede1}
.nav-links{display:flex;gap:26px;margin-left:14px}
.nav-links a{font-size:.86rem;font-weight:600;letter-spacing:.01em;color:var(--ink);position:relative;padding:6px 0;transition:.2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .28s var(--ease)}
.nav-links a:hover::after,.nav-links a.hot::after{width:100%}
.nav-links a.hot{color:var(--accent)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
.nav-ic{display:flex;align-items:center;color:var(--ink);cursor:pointer;transition:.2s;position:relative}
.nav-ic:hover{color:var(--accent);transform:translateY(-1px)}
.nav-ic .badge{position:absolute;top:-7px;right:-9px;background:var(--accent);color:#fff;font-size:.6rem;font-weight:700;
  min-width:15px;height:15px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 3px}
.nav-cta{margin-left:4px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:currentColor;transition:.3s}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#f6f2ea;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,16,14,.82) 0%,rgba(15,16,14,.5) 44%,rgba(15,16,14,.15) 78%)}
.hero .wrap{position:relative;z-index:2;width:100%;padding-top:var(--nav-h)}
.hero h1{color:#fbf7ef;max-width:16ch}
.hero h1 em{font-style:italic;color:var(--accent-2)}
.hero-sub{font-size:clamp(1.05rem,1.5vw,1.28rem);color:#eae3d5;max-width:46ch;margin:8px 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:#eee;font-size:.72rem;
  letter-spacing:.2em;text-transform:uppercase;opacity:.8;display:flex;flex-direction:column;align-items:center;gap:8px}
.hero-scroll::after{content:"";width:1px;height:34px;background:linear-gradient(#fff,transparent);animation:sd 1.8s var(--ease) infinite}
@keyframes sd{0%{opacity:0;transform:scaleY(.3)}50%{opacity:1}100%{opacity:0;transform:scaleY(1)}}

/* ---------- CHOOSER ---------- */
.chooser{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chooser-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-left:1px solid var(--line)}
.choose{padding:34px 22px;border-right:1px solid var(--line);border-top:1px solid var(--line);cursor:pointer;
  transition:.35s var(--ease);position:relative;overflow:hidden;background:var(--paper)}
.choose:hover{background:var(--charcoal);color:#f6f2ea}
.choose .cn{font-size:.7rem;color:var(--accent);font-weight:700;letter-spacing:.14em}
.choose h3{margin:14px 0 6px;font-size:1.15rem;transition:color .3s}
.choose:hover h3{color:#fff}
.choose p{font-size:.82rem;color:var(--muted);margin:0;transition:color .3s}
.choose:hover p{color:#d8d0c0}
.choose .go{margin-top:16px;font-size:.8rem;font-weight:700;opacity:0;transform:translateY(6px);transition:.3s}
.choose:hover .go{opacity:1;transform:none}

/* ---------- PRODUCT CARDS / RAIL ---------- */
.rail{display:flex;gap:26px;overflow-x:auto;padding:8px 4px 26px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail .card{min-width:340px;scroll-snap-align:start}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.4s var(--ease);
  display:flex;flex-direction:column;position:relative}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--ivory-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card-media img{transform:scale(1.06)}
.card-badge{position:absolute;top:14px;left:14px;background:var(--charcoal);color:#f6f2ea;font-size:.66rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:100px}
.card-badge.soft{background:var(--accent)}
.card-fav{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s;border:none}
.card-fav:hover{background:#fff;transform:scale(1.08)}
.card-fav.on{color:#c0392b}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-cat{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700}
.card h3{margin:8px 0 4px;font-size:1.35rem}
.card-sub{font-size:.82rem;color:var(--muted);margin:0 0 14px}
.card-swatches{display:flex;gap:6px;margin:0 0 14px;flex-wrap:wrap}
.sw{width:20px;height:20px;border-radius:50%;border:1px solid var(--line-2);background-size:cover;background-position:center}
.sw.more{font-size:.62rem;display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:700;background:var(--ivory)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line)}
.price .from{font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;display:block}
.price .amt{font-family:var(--disp);font-size:1.3rem;color:var(--charcoal)}
.avail{font-size:.72rem;color:var(--ok);font-weight:600;display:flex;align-items:center;gap:5px}
.avail::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
.avail.made{color:var(--warn)}.avail.made::before{background:var(--warn)}

/* ---------- OFFER CAROUSEL ---------- */
.offerbar{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:220px;background:var(--navy);box-shadow:var(--shadow)}
.offer{position:absolute;inset:0;display:grid;grid-template-columns:1.1fr .9fr;opacity:0;transition:opacity .8s var(--ease);pointer-events:none}
.offer.on{opacity:1;pointer-events:auto}
.offer-body{padding:clamp(24px,4vw,44px);display:flex;flex-direction:column;justify-content:center;color:#fff;z-index:2}
.offer-body .eyebrow{color:var(--accent-2)}
.offer-body h3{color:#fff;font-size:clamp(1.4rem,2.6vw,2.1rem);margin:0 0 8px}
.offer-body p{color:#d5dae6;font-size:.92rem;max-width:42ch;margin:0 0 18px}
.offer-media{position:relative;overflow:hidden}
.offer-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:kb 9s var(--ease) infinite alternate}
.offer-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy),transparent 60%)}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.12)}}
.offer-dots{position:absolute;bottom:16px;left:clamp(24px,4vw,44px);display:flex;gap:8px;z-index:3}
.offer-dots button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s;padding:0}
.offer-dots button.on{background:var(--accent-2);width:26px;border-radius:5px}
@media(max-width:640px){.offer{grid-template-columns:1fr}.offer-media{display:none}.offerbar{min-height:200px}}

/* ---------- FILTER BAR ---------- */
.filters{position:sticky;top:64px;z-index:40;background:rgba(246,242,234,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);padding:14px 0}
.filters .wrap{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.chip{font-size:.82rem;font-weight:600;padding:.5em 1.05em;border-radius:100px;border:1px solid var(--line-2);
  background:var(--paper);cursor:pointer;transition:.25s;white-space:nowrap}
.chip:hover{border-color:var(--charcoal)}
.chip.on{background:var(--charcoal);color:#f6f2ea;border-color:var(--charcoal)}
.filters select{font-family:var(--sans);font-size:.82rem;padding:.55em 1em;border-radius:100px;border:1px solid var(--line-2);
  background:var(--paper);color:var(--ink);cursor:pointer;margin-left:auto}
.count{font-size:.8rem;color:var(--muted);font-weight:600}

/* ---------- SPLIT / FEATURE ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split.rev .split-media{order:2}
.split-media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:5/4;box-shadow:var(--shadow);background:var(--ivory-2)}
.split-media img,.split-media video{width:100%;height:100%;object-fit:cover}
.split-body h2{margin-bottom:.3em}

/* ---------- STRIP ---------- */
.strip{background:var(--charcoal);color:#e9e2d4;font-size:.78rem;letter-spacing:.04em}
.strip .wrap{display:flex;gap:34px;justify-content:center;flex-wrap:wrap;padding:11px 0}
.strip b{color:#fff;font-weight:700}

/* ---------- CATEGORIES ---------- */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.cat{position:relative;aspect-ratio:3/4;border-radius:var(--r);overflow:hidden;cursor:pointer;background:var(--navy)}
.cat img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:.5s var(--ease)}
.cat:hover img{opacity:.62;transform:scale(1.05)}
.cat span{position:absolute;left:16px;bottom:14px;color:#fff;font-family:var(--disp);font-size:1.15rem;z-index:2;
  text-shadow:0 2px 10px rgba(0,0,0,.4)}
.cat::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,12,20,.6),transparent 55%)}

/* ---------- TRUST ---------- */
.trust{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.tcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;transition:.35s var(--ease)}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.tcard .ic{width:46px;height:46px;border-radius:12px;background:var(--ivory-2);display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;margin-bottom:14px}
.tcard h3{font-size:1.1rem;margin-bottom:.3em}
.tcard p{font-size:.85rem;color:var(--muted);margin:0}

/* ---------- DARK SECTION / POSTCODE ---------- */
.dark{background:var(--navy);color:#eef1f7}
.dark h2,.dark h3{color:#fff}
.dark .eyebrow{color:var(--accent-2)}
.postcode-box{display:flex;gap:10px;max-width:440px;margin-top:22px}
.postcode-box input{flex:1;padding:.95em 1.2em;border-radius:100px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;font-family:var(--sans);font-size:.95rem}
.postcode-box input::placeholder{color:#b9c1d4}
.postcode-box input:focus{outline:none;border-color:var(--accent-2);background:rgba(255,255,255,.12)}
.pc-result{margin-top:16px;font-size:.9rem;color:#dfe4ef;min-height:1.2em}
.pc-result b{color:var(--accent-2)}

/* ---------- REVEAL ---------- */
.rev{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rev.in{opacity:1;transform:none}
.rev.d1{transition-delay:.08s}.rev.d2{transition-delay:.16s}.rev.d3{transition-delay:.24s}.rev.d4{transition-delay:.32s}

/* ---------- FOOTER ---------- */
.foot{background:#191a17;color:#c9c3b6;padding:70px 0 30px;font-size:.88rem}
.foot .wrap{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:34px}
.foot h4{color:#fff;font-family:var(--sans);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px;font-weight:700}
.foot a{color:#c9c3b6;display:block;padding:5px 0;transition:.2s}
.foot a:hover{color:var(--accent-2);transform:translateX(3px)}
.foot .fbrand{font-family:var(--disp);font-size:1.5rem;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.foot .fbrand img{height:32px}
.foot-p{color:#8f897d;font-size:.84rem;max-width:34ch}
.socials{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.socials a{width:38px;height:38px;border-radius:50%;border:1px solid #38382f;display:flex;align-items:center;justify-content:center;
  color:#c9c3b6;transition:.28s var(--ease)}
.socials a:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-3px)}
.socials svg{width:17px;height:17px}
.foot-bar{border-top:1px solid #2c2c25;margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;color:#807a6e;font-size:.78rem}
.foot-bar a{display:inline;padding:0}

/* ---------- WHATSAPP FAB ---------- */
.wa-fab{position:fixed;right:20px;bottom:88px;z-index:80;width:56px;height:56px;border-radius:50%;background:#25d366;
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px -8px rgba(37,211,102,.6);transition:.3s var(--ease)}
.wa-fab:hover{transform:scale(1.08) translateY(-2px)}
.wa-fab svg{width:30px;height:30px;fill:#fff}

/* ---------- MOBILE BOTTOM NAV ---------- */
.mnav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:90;background:rgba(255,253,249,.96);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding:8px 0 calc(8px + env(safe-area-inset-bottom))}
.mnav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:.62rem;color:var(--muted);font-weight:600}
.mnav a.hot{color:var(--accent)}
.mnav a svg{width:21px;height:21px}
.mnav-inner{display:flex}

/* ---------- PAGE HEAD ---------- */
.phead{padding:calc(var(--nav-h) + 46px) 0 34px;background:var(--paper);border-bottom:1px solid var(--line)}
.crumb{font-size:.76rem;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}

/* ---------- PRODUCT PAGE ---------- */
.pdp{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,4vw,56px);align-items:start}
.gallery-main{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:var(--ivory-2);box-shadow:var(--shadow-sm)}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery-thumbs img{width:76px;height:64px;object-fit:cover;border-radius:8px;cursor:pointer;border:2px solid transparent;transition:.2s;background:var(--ivory-2)}
.gallery-thumbs img.on,.gallery-thumbs img:hover{border-color:var(--accent)}
.pdp-info h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:.1em}
.pdp-price{font-family:var(--disp);font-size:2rem;color:var(--charcoal);margin:6px 0}
.pdp-price small{font-size:.8rem;color:var(--muted);font-family:var(--sans);letter-spacing:.05em}
.pdp-swatches{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 4px}
.pdp-swatches .sw{width:30px;height:30px}
.pdp-swatches .sw.on{outline:2px solid var(--accent);outline-offset:2px}
.spec{width:100%;border-collapse:collapse;margin:8px 0}
.spec td{padding:10px 0;border-bottom:1px solid var(--line);font-size:.9rem;vertical-align:top}
.spec td:first-child{color:var(--muted);width:42%}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 18px;border-bottom:1px solid var(--line)}
.tab{padding:.7em 0;margin-right:20px;font-weight:600;font-size:.9rem;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.on{color:var(--charcoal);border-color:var(--accent)}
.tabpanel{display:none}.tabpanel.on{display:block}
.info-note{background:var(--ivory-2);border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 8px 8px 0;font-size:.85rem;color:var(--ink);margin:14px 0}

/* ---------- CONFIGURATOR / BUILD ---------- */
.build-steps{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:26px}
.bstep{font-size:.74rem;font-weight:700;color:var(--muted);display:flex;align-items:center;gap:7px;padding:.4em .8em;border-radius:100px;background:var(--paper);border:1px solid var(--line)}
.bstep .n{width:20px;height:20px;border-radius:50%;background:var(--ivory-2);display:flex;align-items:center;justify-content:center;font-size:.7rem}
.bstep.on{color:#fff;background:var(--charcoal);border-color:var(--charcoal)}
.bstep.on .n{background:var(--accent);color:#fff}
.bstep.done .n{background:var(--ok);color:#fff}
.build-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:start}
.build-stage{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.build-vis{aspect-ratio:16/11;background:var(--ivory-2);position:relative;overflow:hidden}
.build-vis img{width:100%;height:100%;object-fit:cover;transition:.5s var(--ease)}
.build-panel{padding:26px}
.opt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin-top:6px}
.opt{border:1px solid var(--line-2);border-radius:12px;padding:14px 12px;cursor:pointer;transition:.25s;background:var(--paper);text-align:center;font-size:.85rem;font-weight:600}
.opt:hover{border-color:var(--charcoal)}
.opt.on{border-color:var(--accent);background:var(--ivory-2);box-shadow:inset 0 0 0 1px var(--accent)}
.opt small{display:block;color:var(--muted);font-weight:500;margin-top:3px;font-size:.72rem}
.summary{position:sticky;top:84px;background:var(--charcoal);color:#efe9dd;border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow)}
.summary h3{color:#fff}
.sumrow{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:.88rem}
.sumrow.total{border-bottom:none;font-family:var(--disp);font-size:1.5rem;color:#fff;padding-top:14px}
.sumrow .v{color:#fff;font-weight:600;text-align:right}
.sumrow.muted .v{color:#c7c0b2}

/* ---------- SWATCH PICKER (colours page/build) ---------- */
.swatch-lib{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:16px}
.swatch-lib figure{margin:0;text-align:center}
.swatch-lib .chip-img{aspect-ratio:1;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--ivory-2)}
.swatch-lib img{width:100%;height:100%;object-fit:cover;transition:.4s var(--ease)}
.swatch-lib figure:hover img{transform:scale(1.08)}
.swatch-lib figcaption{font-size:.78rem;margin-top:8px;font-weight:600}
.swatch-lib small{display:block;color:var(--muted);font-size:.68rem;font-weight:500}

/* ---------- FIND YOUR SOFA ---------- */
.finder{max-width:720px;margin:0 auto}
.fq{display:none}.fq.on{display:block;animation:fade .4s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.fopts{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:20px}
.fopt{padding:22px 16px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--paper);cursor:pointer;
  text-align:center;font-weight:600;transition:.25s}
.fopt:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.fprog{height:5px;background:var(--ivory-2);border-radius:10px;overflow:hidden;margin-bottom:30px}
.fprog i{display:block;height:100%;background:var(--accent);transition:width .4s var(--ease)}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .nav-links{display:none}
  .burger{display:flex}
  .chooser-grid{grid-template-columns:repeat(2,1fr)}
  .pdp,.build-grid{grid-template-columns:1fr}
  .summary{position:static}
  .foot .wrap{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}.split.rev .split-media{order:0}
  .mnav{display:block}
  body{padding-bottom:62px}
  .wa-fab{bottom:74px}
}
@media(max-width:560px){
  .chooser-grid{grid-template-columns:1fr}
  .foot .wrap{grid-template-columns:1fr}
  .rail .card{min-width:280px}
  .strip .wrap{gap:16px;font-size:.72rem}
}
/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:200;background:var(--ivory);transform:translateX(100%);transition:.4s var(--ease);
  display:flex;flex-direction:column;padding:22px}
.drawer.open{transform:none}
.drawer a{font-family:var(--disp);font-size:1.6rem;padding:14px 0;border-bottom:1px solid var(--line);color:var(--charcoal)}
.drawer .x{align-self:flex-end;font-size:1.6rem;cursor:pointer;background:none;border:none;margin-bottom:10px}