:root{
    --porcelain:#eef1f5;
    --white:#ffffff;
    --shell:#f7f9fb;
    --ink:#0d1520;
    --ink-2:#3d4a5c;
    --slate:#5f6c7d;
    --line:#dde3ea;
    --line-2:#e8edf2;
    --brass:#8f6218;
    --brass-lite:#c99a3f;
    --brass-soft:#f6efe1;
    --baize:#12604a;
    --baize-soft:#e5f2ed;
    --clay:#8f2434;
    --clay-soft:#fbeaec;
    --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    --r:18px;
    --r-sm:11px;
    --wrap:1180px;
  }
body{
    margin:0;background:var(--porcelain);color:var(--ink);
    font-family:var(--sans);font-size:16px;line-height:1.65;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
h1,h2,h3,h4{margin:0;line-height:1.15}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.sec{padding:74px 0}
.sec-alt{background:var(--shell);border-block:1px solid var(--line)}
h1{font-size:clamp(38px,6vw,62px);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(27px,3.4vw,40px);font-weight:790;letter-spacing:-.028em}
h3{font-size:19px;font-weight:730;letter-spacing:-.01em}
.lbl{font-family:var(--mono);font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);font-weight:600}
.lede{font-size:17px;color:var(--ink-2);line-height:1.7;max-width:66ch}
.shead{margin-bottom:34px;max-width:76ch}
.shead h2{margin:0 0 14px}
.shead p{font-size:16.5px;color:var(--ink-2);max-width:70ch}
.prose p{font-size:16.5px;color:var(--ink-2);margin-bottom:16px}
.prose p:last-child{margin-bottom:0}
/* ---------- responsible bar ---------- */
  .resp{background:var(--ink);color:#e7ebf1}
.resp span{font-size:14px;letter-spacing:.01em}
/* ---------- header ---------- */
  .top{position:sticky;top:0;z-index:70;background:rgba(238,241,245,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.links a{font-size:15px;color:var(--ink-2);font-weight:560;transition:color .15s}
/* ---------- buttons ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--sans);font-size:15px;font-weight:660;padding:13px 22px;border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s;white-space:nowrap}
.btn-brass{background:var(--brass);color:#fff}
.btn-brass:hover{background:#7a5213;transform:translateY(-1px)}
.btn-out{background:var(--white);color:var(--ink);border-color:var(--line)}
.btn-out:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{border-color:#fff}
/* ---------- hero ---------- */
  .hero{padding:58px 0 66px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
    radial-gradient(900px 420px at 78% 6%,rgba(201,154,63,.16),transparent 62%),
    radial-gradient(760px 380px at 8% 96%,rgba(18,96,74,.1),transparent 60%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center}
.hero h1{margin:14px 0 18px}
.hero .lede{margin-bottom:26px}
.hero-cta{display:grid;grid-template-columns:auto auto;gap:11px;justify-content:start}
.hero-cta .btn-wide{grid-column:1 / -1}
/* signature: hall plan */
  .plan{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 30px 60px -40px rgba(13,21,32,.5)}
/* ---------- generic cards ---------- */
  .card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;color:#fff}
.ic svg{width:27px;height:27px}
.ic-brass{background:linear-gradient(145deg,#c99a3f,#8f6218)}
.ic-ink{background:linear-gradient(145deg,#33465e,#0d1520)}
.ic-baize{background:linear-gradient(145deg,#1f8a68,#12604a)}
.card h3{margin-bottom:8px}
.card p{font-size:15px;color:var(--slate);line-height:1.6}
/* ---------- bento ---------- */
  .bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.b-2{grid-column:span 2}
.b-3{grid-column:span 3}
.b-4{grid-column:span 4}
.bento .card{display:flex;flex-direction:column}
.b-wide{background:var(--ink);color:#fff;border-color:var(--ink)}
.b-wide h3{color:#fff}
.b-wide p{color:#b9c3d0}
.b-wide .mini{margin-top:auto;padding-top:18px}
/* ---------- what-is facts ---------- */
  .deflist{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.def{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.def dt{font-family:var(--mono);font-size:14px;color:var(--slate);letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px}
.def dd{margin:0;font-size:15.5px;font-weight:640;color:var(--ink)}
/* ---------- rating ---------- */
  .rate{display:grid;grid-template-columns:.72fr 1.28fr;gap:18px;align-items:stretch}
.rate-score{background:var(--ink);color:#fff;border-radius:var(--r);padding:32px;display:flex;flex-direction:column;justify-content:center;text-align:center}
.rate-num{font-size:74px;font-weight:830;letter-spacing:-.05em;line-height:1;color:var(--brass-lite)}
.rate-out{font-family:var(--mono);font-size:15px;color:#b9c3d0;margin-top:6px}
.stars{display:flex;gap:5px;justify-content:center;margin:18px 0 12px}
.stars svg{width:20px;height:20px;color:var(--brass-lite)}
.stars svg.off{color:#3a475a}
.rate-note{font-size:14px;color:#b9c3d0;line-height:1.55}
.bars{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.bar{margin-bottom:19px}
.bar:last-child{margin-bottom:0}
.bar-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.bar-h span{font-size:15px;font-weight:620}
.bar-h b{font-family:var(--mono);font-size:14px;color:var(--brass);font-weight:700}
.bar-t{height:8px;border-radius:6px;background:var(--line-2);overflow:hidden}
.bar-f{height:100%;border-radius:6px;background:linear-gradient(90deg,#c99a3f,#8f6218)}
/* ---------- pros/cons ---------- */
  .pc{border-radius:var(--r);padding:28px;border:1px solid var(--line);background:var(--white)}
.pc-h{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.pc-h h3{font-size:18px}
.pc-bulb{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none;color:#fff}
.pc-pro .pc-bulb{background:var(--baize)}
.pc-con .pc-bulb{background:var(--clay)}
.pc-bulb svg{width:18px;height:18px}
.pc li{position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--ink-2);line-height:1.55}
.pc li:last-child{margin-bottom:0}
.pc li::before{content:"";position:absolute;left:0;top:7px;width:11px;height:11px;border-radius:3px}
.pc-pro li::before{background:var(--baize-soft);border:2px solid var(--baize)}
.pc-con li::before{background:var(--clay-soft);border:2px solid var(--clay)}
/* ---------- bonuses ---------- */
  .bonus{display:flex;gap:18px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.bonus .ic{margin-bottom:0}
.bonus h3{margin-bottom:7px;font-size:17.5px}
.bonus p{font-size:15px;color:var(--slate);line-height:1.6}
.notice{margin-top:18px;background:var(--brass-soft);border:1px solid #e8dcc0;border-radius:14px;padding:18px 20px;font-size:15px;color:#5b4413;display:flex;gap:12px;align-items:flex-start}
.notice svg{width:19px;height:19px;flex:none;margin-top:2px;color:var(--brass)}
/* ---------- pricing ---------- */
  .price{display:grid;grid-template-columns:.85fr 1.15fr;gap:18px}
.price-main{background:var(--ink);color:#fff;border-radius:var(--r);padding:36px;display:flex;flex-direction:column;justify-content:center}
.price-from{font-family:var(--mono);font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:#b9c3d0}
.price-num{font-size:70px;font-weight:830;letter-spacing:-.05em;line-height:1;margin:8px 0 14px}
.price-sub{font-size:15px;color:#b9c3d0;max-width:34ch}
.price-side{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:30px;display:flex;flex-direction:column;justify-content:center}
.price-side p{font-size:16px;color:var(--ink-2);margin-bottom:14px}
.price-list{margin:6px 0 22px}
.price-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;color:var(--ink-2)}
.price-list li::before{content:"";position:absolute;left:2px;top:8px;width:9px;height:9px;background:var(--brass);transform:rotate(45deg);border-radius:2px}
.price-cta{display:flex;gap:10px;flex-wrap:wrap}
/* ---------- install ---------- */
  .tabs{display:inline-flex;gap:5px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:5px;margin-bottom:24px}
.tab{font-family:var(--mono);font-size:14px;font-weight:640;border:0;background:transparent;color:var(--slate);padding:10px 18px;border-radius:8px;cursor:pointer;transition:.15s}
.tab.on{background:var(--ink);color:#fff}
.pane{display:none}
.pane.on{display:block}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative}
.step-n{font-family:var(--mono);font-size:14px;font-weight:800;color:var(--brass);letter-spacing:.1em;margin-bottom:12px}
.step h3{font-size:17px;margin-bottom:7px}
.step p{font-size:15px;color:var(--slate);line-height:1.6}
.step .btn{margin-top:16px}
/* ---------- formats ---------- */
  .fmt{display:grid;grid-template-columns:repeat(auto-fill,minmax(164px,1fr));gap:13px}
.fmt div{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--brass-lite);border-radius:12px;padding:16px 18px}
.fmt b{display:block;font-family:var(--mono);font-size:17px;font-weight:800;letter-spacing:-.01em}
.fmt span{display:block;font-size:14px;color:var(--slate);margin-top:3px}
/* ---------- reviews ---------- */
  .revs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rev{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column}
.rev-stars{display:flex;gap:3px;margin-bottom:14px}
.rev-stars svg{width:15px;height:15px;color:var(--brass-lite)}
.rev p{font-size:15px;color:var(--ink-2);line-height:1.65;margin-bottom:20px}
.rev-who{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line-2)}
.rev-av{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:15px;color:#fff;background:linear-gradient(145deg,#33465e,#0d1520)}
.rev-n{font-size:15px;font-weight:680;line-height:1.3}
.rev-m{font-family:var(--mono);font-size:14px;color:var(--slate)}
/* ---------- faq ---------- */
  .faq{display:grid;gap:11px}
details{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden}
details[open]{border-color:#c9d3de}
summary{list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:14px;font-size:16.5px;font-weight:660}
summary::-webkit-details-marker{display:none}
.pm{margin-left:auto;position:relative;width:16px;height:16px;flex:none}
.pm::before,.pm::after{content:"";position:absolute;background:var(--brass);border-radius:2px;transition:.2s}
.pm::before{left:0;top:7px;width:16px;height:2px}
.pm::after{left:7px;top:0;width:2px;height:16px}
details[open] .pm::after{transform:rotate(90deg);opacity:0}
.ans{padding:0 24px 22px;font-size:15.5px;color:var(--ink-2);line-height:1.7;max-width:82ch}
/* ---------- contact ---------- */
  .contact{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.c-copy{background:var(--ink);color:#fff;border-radius:var(--r);padding:36px;display:flex;flex-direction:column;justify-content:center}
.c-copy h2{color:#fff;margin-bottom:14px}
.c-copy p{color:#b9c3d0;font-size:16px;max-width:44ch;margin-bottom:24px}
.c-btns{display:flex;gap:10px;flex-wrap:wrap}
.c-side{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:32px}
.c-side h3{margin-bottom:16px}
.c-side li{display:flex;gap:13px;align-items:flex-start;margin-bottom:16px;font-size:15px;color:var(--ink-2);line-height:1.55}
.c-side li:last-child{margin-bottom:0}
.c-side li svg{width:19px;height:19px;flex:none;margin-top:2px;color:var(--brass)}
/* ---------- footer ---------- */
  .foot{background:var(--ink);color:#b9c3d0;padding:56px 0 34px}
.foot-links a{font-size:15px;color:#b9c3d0;transition:color .15s}
.disc{margin-top:26px;font-size:14px;line-height:1.75;color:#8e9cad;max-width:none}
/* ---------- longread ---------- */
  .longread{max-width:82ch}
.longread h2{margin-bottom:22px}
.longread h3{font-size:21px;font-weight:750;margin:34px 0 12px;letter-spacing:-.015em}
.longread p{font-size:16.5px;color:var(--ink-2);line-height:1.75;margin-bottom:16px}
.longread ul{margin:0 0 16px}
.longread li{position:relative;padding-left:26px;margin-bottom:11px;font-size:16px;color:var(--ink-2);line-height:1.65}
.longread li::before{content:"";position:absolute;left:2px;top:9px;width:9px;height:9px;background:var(--brass);transform:rotate(45deg);border-radius:2px}
.lr-note{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--brass);border-radius:12px;padding:20px 22px;margin:26px 0}
.lr-note p{margin:0;font-size:16px}
/* ---------- reveal ---------- */
  .rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    .rv{opacity:1;transform:none}
  }
/* ---------- responsive ---------- */
  @media (max-width:980px){
    .hero-grid{grid-template-columns:1fr;gap:34px}
    .rate,.price,.contact{grid-template-columns:1fr}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .grid-3,.revs,.steps{grid-template-columns:repeat(2,1fr)}
    .bento{grid-template-columns:repeat(2,1fr)}
    .b-2,.b-3,.b-4{grid-column:span 1}
    .b-hero{grid-column:span 2}
    .foot-top{grid-template-columns:1fr}
  }
@media (max-width:680px){
    .sec{padding:56px 0}
    .hero-cta{grid-template-columns:1fr;justify-content:stretch}
    .hero-cta .btn{width:100%}
    .price-cta,.c-btns,.inst-btns{display:grid;grid-template-columns:1fr;gap:10px;justify-items:stretch}
    .price-cta .btn,.c-btns .btn,.inst-btns .btn{width:100%}
    .step .btn,.inst-dl{align-self:stretch;width:100%}
    .grid-2,.grid-3,.grid-4,.revs,.steps,.deflist,.bento{grid-template-columns:1fr}
    .b-hero{grid-column:span 1}
    .price-num,.rate-num{font-size:56px}
    .foot-bot{flex-direction:column}
  }