/* ============================================================
   PepsPlanit — Lab Essentials-specific styles
   The Precision Room: Apple Store × Muji. Soft white, ivory,
   charcoal, navy, emerald — champagne gold as precision accent.
   Imagery containers swap-ready (assets/images/products/, editorial/).
   ============================================================ */

/* ---------- lab hero (light precision grid) ---------- */
.lab-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--soft-white) 0%,#F4F2ED 100%);padding:100px 0 84px;text-align:center}
.lab-hero::before{content:"";position:absolute;inset:0;opacity:.55;background-image:linear-gradient(rgba(31,42,68,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(31,42,68,.05) 1px,transparent 1px);background-size:64px 64px}
.lab-hero .wrap{position:relative;z-index:3}
.lab-hero .crumb{font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:#9a948a;margin-bottom:22px;display:block}
.lab-hero .crumb a{color:var(--emerald)}
.lab-hero .crumb a:hover{color:var(--gold)}
.lab-hero h1{font-size:clamp(44px,6.2vw,76px);margin:18px 0 20px;letter-spacing:-.01em}
.lab-hero h1 i{font-style:italic;color:var(--navy)}
.lab-hero p{font-size:16px;color:#5f5f5a;max-width:580px;margin:0 auto 36px}
.lab-visual{max-width:900px;margin:54px auto 0;position:relative;z-index:3;border:1px solid var(--border);border-radius:20px;background:rgba(255,255,255,.75);backdrop-filter:blur(6px);box-shadow:var(--shadow);padding:26px}
.lab-visual svg{width:100%;height:auto;display:block}

/* ---------- setup philosophy ---------- */
.sysphil{max-width:820px;margin:0 auto;text-align:center}
.sysphil h2{font-size:clamp(30px,3.8vw,44px);margin:14px 0 18px}
.sysphil>p{color:#5f5f5a;font-size:15.5px;max-width:620px;margin:0 auto 34px}
.sys-list{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 46px;text-align:left;max-width:760px;margin:0 auto}
.sys-list div{display:flex;gap:12px;align-items:baseline;padding:13px 0;border-bottom:1px solid var(--border);font-size:13.5px;color:#55554f}
.sys-list svg{width:13px;height:13px;stroke:var(--emerald);fill:none;flex-shrink:0;position:relative;top:1px}
.sys-motto{margin-top:36px;font-family:var(--display);font-style:italic;font-size:21px;color:var(--navy);letter-spacing:.01em}

/* ---------- shop by function (interactive) ---------- */
.fn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
button.fn{font-family:var(--body);display:flex;align-items:center;gap:14px;text-align:left;padding:20px 22px;cursor:pointer;background:rgba(255,255,255,.95);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .3s}
button.fn:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--gold)}
button.fn .f-ring{width:42px;height:42px;border-radius:12px;border:1px solid var(--gold-soft);background:var(--warm-ivory);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .3s,border-color .3s}
button.fn .f-ring svg{width:19px;height:19px;stroke:var(--navy);fill:none;transition:stroke .3s}
button.fn b{font-family:var(--display);font-weight:500;font-size:18px;color:var(--charcoal);display:block}
button.fn small{font-size:10.5px;color:#8a857b;letter-spacing:.04em}
button.fn[aria-pressed="true"]{border-color:var(--navy);box-shadow:0 14px 34px rgba(31,42,68,.16);transform:translateY(-3px)}
button.fn[aria-pressed="true"] .f-ring{background:var(--navy);border-color:var(--navy)}
button.fn[aria-pressed="true"] .f-ring svg{stroke:#fff}
.fn-result{text-align:center;font-size:13.5px;color:#4d5a77;font-family:var(--display);font-style:italic;min-height:22px;margin-top:24px}
.prod.setup-highlight{outline:2px solid var(--navy);outline-offset:3px;box-shadow:0 18px 44px rgba(31,42,68,.18);transform:translateY(-5px)}

/* ---------- essential categories ---------- */
.ec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ec{padding:26px 24px;display:flex;flex-direction:column;gap:7px;border-top:3px solid var(--warm-ivory);transition:border-color .35s}
.ec:hover{border-top-color:var(--gold)}
.ec h3{font-size:19px}
.ec p{font-size:12.5px;color:#7d7d77;line-height:1.65;flex:1}
.ec .link-more{font-size:10.5px;margin-top:8px}

/* size/format line */

/* ---------- setup builder ---------- */
.builder{background:var(--navy);border-radius:22px;padding:54px 50px;position:relative;overflow:hidden;border:1px solid rgba(201,169,110,.3);box-shadow:var(--shadow)}
.builder::before{content:"";position:absolute;inset:0;opacity:.4;background-image:linear-gradient(rgba(201,169,110,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(201,169,110,.06) 1px,transparent 1px);background-size:56px 56px}
.builder>*{position:relative;z-index:2}
.builder .eyebrow{color:var(--gold-soft)}
.builder .eyebrow::before{background:var(--gold-soft)}
.builder h2{color:#fff;font-size:clamp(28px,3.4vw,40px);margin:12px 0 8px}
.builder .b-sub{color:#B7BFD2;font-size:14px;max-width:540px;margin-bottom:30px}
.bq{margin-bottom:26px}
.bq .bq-label{font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--gold-soft);display:block;margin-bottom:12px}
.bq .bq-q{font-family:var(--display);font-size:20px;color:#fff;margin-bottom:14px}
.bq-opts{display:flex;flex-wrap:wrap;gap:9px}
.bq-opts button{font-family:var(--body);font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#D8DDE9;background:rgba(250,249,246,.06);border:1px solid rgba(201,169,110,.35);border-radius:999px;padding:11px 19px;cursor:pointer;transition:border-color .3s,background .3s,color .3s,transform .3s var(--ease)}
.bq-opts button:hover{border-color:var(--gold);color:#fff;transform:translateY(-2px)}
.bq-opts button[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.builder-result{margin-top:8px;border-top:1px solid rgba(201,169,110,.3);padding-top:26px;display:none}
.builder-result.show{display:block}
.builder-result .br-label{font-size:10px;letter-spacing:.24em;text-transform:uppercase;font-weight:700;color:var(--gold-soft)}
.builder-result h3{font-family:var(--display);color:#fff;font-size:30px;margin:8px 0 12px}
.builder-result ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.builder-result ul li{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:#C9D0E0;border:1px solid rgba(201,169,110,.4);border-radius:999px;padding:7px 14px}
.builder-hint{margin-top:10px;font-size:12px;color:#8792AB;font-style:italic;font-family:var(--display)}

/* ---------- desk edit ---------- */
.desk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.desk{overflow:hidden;display:flex;flex-direction:column}
.desk .photo{aspect-ratio:4/3;border-radius:0}
.desk .d-body{padding:22px 24px;display:flex;flex-direction:column;gap:6px;flex:1}
.desk .d-kicker{font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--gold)}
.desk h3{font-size:20px}
.desk p{font-size:12.5px;color:#7d7d77;line-height:1.65}
.desk .d-items{font-size:11px;letter-spacing:.08em;color:#9a948a;border-top:1px solid var(--border);padding-top:12px;margin-top:auto;line-height:1.8}
.desk .link-more{font-size:10.5px;margin-top:10px}

/* ---------- pen edit ---------- */
.pen-edit{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.pen-visual{position:relative;border:1px solid var(--border);border-radius:20px;background:rgba(255,255,255,.85);box-shadow:var(--shadow);padding:34px}
.pen-visual svg{width:100%;height:auto;display:block}
.pen-copy h2{font-size:clamp(30px,3.6vw,42px);margin:14px 0 16px}
.pen-copy>p{color:#5f5f5a;font-size:15px;margin-bottom:24px}
.finishes{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.finish{display:flex;flex-direction:column;align-items:center;gap:8px}
.finish span{width:38px;height:38px;border-radius:999px;border:1px solid var(--border);box-shadow:inset 0 0 0 3px #fff}
.finish small{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:#8a857b}
.pen-arch{display:flex;flex-direction:column}
.pen-arch div{display:flex;gap:16px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--border)}
.pen-arch div:last-child{border-bottom:none}
.pen-arch i{font-family:var(--display);font-style:italic;font-size:16px;color:var(--gold);flex:0 0 24px}
.pen-arch b{font-family:var(--display);font-weight:600;font-size:16px;flex:0 0 120px}
.pen-arch span{font-size:12.5px;color:#7d7d77}

/* ---------- storage + travel + restock cards ---------- */
.store-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.store{padding:28px 26px;display:flex;flex-direction:column;gap:7px}
.store h3{font-size:20px}
.store p{font-size:12.5px;color:#7d7d77;line-height:1.7;flex:1}
.store .link-more{font-size:10.5px;margin-top:8px}
.store-note{text-align:center;margin-top:30px;font-size:12px;color:#9a948a;font-style:italic;font-family:var(--display);font-size:15px}
.restock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.restock{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 24px;background:rgba(255,255,255,.95);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);font-family:var(--display);font-size:18px;font-weight:500;color:var(--charcoal);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s}
.restock:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--gold)}
.restock svg{width:16px;height:16px;stroke:var(--gold);fill:none;flex-shrink:0}
.restock-strip{display:flex;justify-content:center;margin-top:26px}
.restock-strip span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:#7a7568;border:1px dashed var(--gold-soft);border-radius:999px;padding:11px 22px;background:rgba(255,255,255,.7)}

/* ---------- compare table ---------- */
.compare-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.95);box-shadow:var(--shadow)}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:13px;border-bottom:1px solid var(--border)}
.compare thead th{font-family:var(--display);font-size:17.5px;font-weight:600;background:var(--warm-ivory)}
.compare thead th:first-child{background:transparent}
.compare tbody th{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:#8a857b;white-space:nowrap}
.compare td{color:#55554f}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:none}
.compare td .dotset{display:inline-flex;gap:4px}
.compare td .dotset i{width:7px;height:7px;border-radius:99px;background:var(--gold-soft)}
.compare td .dotset i.on{background:var(--emerald)}

/* ---------- editorial moment ---------- */
.lab-band{position:relative;min-height:480px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:linear-gradient(150deg,#172138 0%,var(--navy) 50%,#1E3A46 130%)}
.lab-band::before{content:"";position:absolute;inset:0;opacity:.5;background-image:linear-gradient(rgba(201,169,110,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(201,169,110,.07) 1px,transparent 1px);background-size:64px 64px}
.lab-band-inner{position:relative;z-index:3;max-width:680px;padding:96px 24px}
.lab-band h2{font-size:clamp(32px,4.6vw,56px);line-height:1.12;color:#fff;margin-bottom:20px}
.lab-band h2 i{font-style:italic;color:var(--gold-soft)}
.lab-band .gold-rule{width:52px;height:1px;background:var(--gold);margin:0 auto 26px}
.lab-band p{color:#B7BFD2;font-size:15px;margin-bottom:32px}

@media (max-width:1080px){
  .fn-grid,.ec-grid,.desk-grid{grid-template-columns:repeat(2,1fr)}
  .store-grid,.restock-grid{grid-template-columns:repeat(2,1fr)}
  .pen-edit{grid-template-columns:1fr;gap:44px}
  .sys-list{grid-template-columns:1fr 1fr}
  .builder{padding:44px 32px}
}
@media (max-width:720px){
  .fn-grid,.ec-grid,.desk-grid,.store-grid,.restock-grid{grid-template-columns:1fr}
  .sys-list{grid-template-columns:1fr}
  .lab-hero{padding:84px 0 66px}
  .lab-band{min-height:420px}
  .builder{padding:38px 24px}
  .bq .bq-q{font-size:18px}
}