.steel-intro{padding:54px 0;background:#d7ff45;color:#0b120e}
.steel-intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:end}
.steel-intro h2{max-width:700px;margin:8px 0 0;font-size:clamp(34px,4vw,56px);line-height:1.02;letter-spacing:-.045em}
.steel-intro p{margin:0;color:#344028;font-size:17px;line-height:1.65}

.steel-page-tabs{position:sticky;top:78px;z-index:12;padding:0;background:rgba(11,18,14,.94);border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(14px)}
.steel-page-tabs-inner{display:flex;gap:8px;align-items:center;min-height:72px;overflow-x:auto;scrollbar-width:none}
.steel-page-tabs-inner::-webkit-scrollbar{display:none}
.steel-page-tabs a{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:0 17px;border:1px solid #34443a;border-radius:999px;color:#dce7df;font-size:13px;font-weight:850;white-space:nowrap;transition:.2s}
.steel-page-tabs a:hover{border-color:#d7ff45;color:#fff;transform:translateY(-1px)}
.steel-page-tabs a.is-featured{border-color:#d7ff45;background:#d7ff45;color:#101713}
.steel-page-tabs a.is-featured span{display:inline-grid;place-items:center;height:23px;padding:0 8px;border-radius:999px;background:#101713;color:#d7ff45;font-size:9px;font-weight:950;letter-spacing:.09em}

.steel-lines{padding:92px 0 100px;background:#eef2ed;color:#0d1712;scroll-margin-top:86px}
.steel-lines-head{max-width:850px;margin-bottom:40px}
.steel-lines-head .eyebrow{color:#52720f}
.steel-lines-head h2{margin:8px 0 14px;font-size:clamp(40px,5vw,68px);line-height:1;letter-spacing:-.05em}
.steel-lines-head p{max-width:760px;margin:0;color:#5d6a63;font-size:18px;line-height:1.65}

.steel-standard-list{display:grid;gap:24px}
.steel-standard-card{display:grid;grid-template-columns:minmax(300px,.88fr) minmax(0,1.12fr);overflow:hidden;border:1px solid #cad4cc;border-radius:28px;background:#fff;box-shadow:0 22px 60px rgba(25,47,35,.08)}
.steel-standard-card.reverse{grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr)}
.steel-standard-card.reverse .steel-standard-visual{order:2}
.steel-standard-card.reverse .steel-standard-copy{order:1}
.steel-standard-card.featured{border-color:#a6ce38;box-shadow:0 24px 65px rgba(79,111,11,.14)}
.steel-standard-visual{position:relative;min-height:570px;margin:0;background:#1f2428}
.steel-standard-visual img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.steel-standard-visual figcaption{position:absolute;left:16px;bottom:16px;padding:9px 12px;border-radius:9px;background:rgba(7,13,10,.82);color:#fff;font-size:12px;letter-spacing:.02em;backdrop-filter:blur(8px)}
.steel-standard-copy{display:flex;flex-direction:column;justify-content:center;padding:42px clamp(32px,5vw,68px)}
.steel-standard-kicker{width:max-content;margin-bottom:18px;padding:9px 13px;border-radius:999px;background:#e8f3d1;color:#486014;font-size:13px;font-weight:900;letter-spacing:1.15px}
.steel-standard-kicker.is-in-stock{display:inline-flex;align-items:center;gap:9px;background:#d7ff45;color:#142019;box-shadow:0 8px 20px rgba(119,160,0,.18)}
.steel-standard-kicker.is-in-stock svg{width:24px;height:24px;flex:0 0 24px;padding:3px;border-radius:7px;background:#142019;fill:none;stroke:#d7ff45;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.steel-standard-copy h3{margin:0 0 16px;font-size:clamp(40px,4.8vw,62px);line-height:.96;letter-spacing:-.05em}
.steel-price-highlight{display:flex;align-items:baseline;gap:10px;width:max-content;max-width:100%;margin:0 0 18px;padding:13px 18px 12px;border:2px solid #b5e600;border-radius:16px;background:#d8ff43;color:#102018;box-shadow:0 10px 28px rgba(123,164,0,.2);transform:rotate(-1deg)}
.steel-price-highlight span,.steel-price-highlight em{font-size:12px;font-weight:950;letter-spacing:1.2px;font-style:normal}
.steel-price-highlight strong{font-size:clamp(28px,3.2vw,42px);line-height:1;font-weight:950;letter-spacing:-.04em}
.steel-use-types{display:flex;gap:11px;margin:3px 0 21px}
.steel-use-type{display:flex;align-items:center;gap:10px;min-width:152px;padding:13px 16px;border:1px solid #d5dfd7;border-radius:14px;background:#f3f7f1;color:#19301f;font-size:16px;font-weight:900}
.steel-use-type svg{width:30px;height:30px;flex:0 0 30px;fill:none;stroke:#648f10;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.steel-standard-copy>p{max-width:660px;margin:0 0 25px;color:#4f5e56;font-size:19px;line-height:1.6}
.steel-standard-copy>p strong{color:#1a2d22}
.steel-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:23px}
.steel-specs span{display:grid;gap:5px;padding:18px 15px;border:1px solid #d9e1da;border-radius:14px;background:#f4f7f3;color:#59675f;font-size:14px;line-height:1.25}
.steel-specs strong{color:#15331d;font-size:22px;letter-spacing:-.03em}
.steel-acoustic-value{display:flex;align-items:center;gap:7px}
.steel-acoustic-value svg{width:22px;height:22px;flex:0 0 22px;fill:none;stroke:#648f10;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.steel-standard-points{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.steel-standard-points li{position:relative;padding-left:27px;color:#324139;font-size:16px;line-height:1.55}
.steel-standard-points li::before{content:"✓";position:absolute;left:0;top:0;color:#67920c;font-weight:900}
.steel-line-cta{display:flex;align-items:center;justify-content:space-between;margin-top:27px;padding:18px 20px;border-radius:13px;background:#14221a;color:#fff;font-size:17px;font-weight:900;transition:transform .18s ease,background .18s ease}
.steel-line-cta:hover{transform:translateY(-2px);background:#24392e}
.steel-line-cta span{font-size:21px}
.mozart-feature .steel-standard-visual{background:#1f2428}
.mozart-feature .steel-standard-visual img{object-fit:contain;padding:18px}
.steel-subsection-head{padding:54px 8px 14px;scroll-margin-top:156px}
.steel-subsection-head .eyebrow{color:#52720f}
.steel-subsection-head h2{max-width:760px;margin:8px 0 14px;font-size:clamp(40px,5vw,68px);line-height:1;letter-spacing:-.05em}
.steel-subsection-head p{max-width:790px;margin:0;color:#5d6a63;font-size:18px;line-height:1.65}
.catalog-feature .steel-standard-visual{background:radial-gradient(circle at 50% 25%,#fff,#eef1ed 64%,#dde3dc)}
.catalog-feature .steel-standard-visual img{object-fit:contain;padding:34px;filter:drop-shadow(0 24px 22px rgba(22,37,27,.2))}
.steel-data-note{display:grid;grid-template-columns:220px 1fr;gap:30px;margin-top:24px;padding:22px 25px;border-radius:16px;background:#dde5de}
.steel-data-note p{margin:0;color:#5a675f;line-height:1.55}

html{scroll-padding-top:170px}
.steel-colors{padding:92px 0 100px;background:#fff;color:#101a14;scroll-margin-top:170px}
.steel-colors-head{max-width:820px;margin-bottom:46px}
.steel-colors-head .eyebrow{color:#668c18}
.steel-colors-head h2{margin:8px 0 14px;font-size:clamp(40px,5vw,68px);line-height:1;letter-spacing:-.05em}
.steel-colors-head p{max-width:760px;margin:0;color:#5c6962;font-size:17px;line-height:1.65}
.steel-color-group{padding:29px 0 35px;border-top:1px solid #dce3dd}
.steel-color-group-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}
.steel-color-group-head h3{margin:0;font-size:27px;letter-spacing:-.035em}
.steel-color-group-head span{color:#718078;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.steel-color-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.steel-color-grid.compact{grid-template-columns:repeat(4,minmax(0,1fr));max-width:920px}
.steel-color{overflow:hidden;margin:0;border:1px solid #dce3dd;border-radius:14px;background:#f7f9f6;box-shadow:0 8px 24px rgba(26,48,35,.05)}
.steel-color img{display:block;width:100%;aspect-ratio:2/1;object-fit:cover;border-bottom:1px solid #dce3dd}
.steel-color span{display:block;padding:12px 13px 14px;color:#25352c;font-size:13px;font-weight:800;line-height:1.25}
.steel-colors-note{display:grid;grid-template-columns:210px 1fr;gap:28px;margin-top:8px;padding:23px 25px;border-radius:16px;background:#eef2ed}
.steel-colors-note p{margin:0;color:#59675f;line-height:1.55}

.lp-door-catalog{padding:92px 0 100px;background:#eef1ec;color:#101713;scroll-margin-top:148px}
.lp-door-catalog-internal{display:grid;grid-template-columns:auto auto 1fr;gap:8px 12px;align-items:center;width:max-content;max-width:100%;margin:0 0 34px;padding:15px 20px;border:1px solid #bedc70;border-radius:16px;background:#dfff72;color:#122016;box-shadow:0 12px 30px rgba(65,91,23,.11)}
.lp-door-catalog-internal>span{display:grid;place-items:center;width:34px;height:34px;grid-row:1/3;border-radius:10px;background:#122016;color:#dfff72;font-size:21px;font-weight:950}
.lp-door-catalog-internal strong{font-size:17px;line-height:1.2}
.lp-door-catalog-internal p{grid-column:2/-1;margin:0;color:#455238;font-size:13px;line-height:1.45}
.lp-door-catalog .eyebrow{color:#456416}
.lp-door-catalog .section-head h2{max-width:780px;color:#101713}
.lp-door-catalog .section-head .muted{max-width:500px;color:#5d6961}
.lp-door-catalog-toolbar{display:flex;gap:9px;flex-wrap:wrap;margin:30px 0 26px}
.lp-door-catalog-toolbar button{min-height:46px;padding:0 18px;border:1px solid #cbd2ca;border-radius:999px;background:#fff;color:#253029;font:850 13px/1 inherit;cursor:pointer;transition:border-color .2s,background .2s,color .2s,transform .2s}
.lp-door-catalog-toolbar button:hover{transform:translateY(-1px);border-color:#7f8a82}
.lp-door-catalog-toolbar button.is-active{border-color:#101713;background:#101713;color:#d5ff54}
.lp-door-catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.lp-catalog-door-card{display:flex;min-width:0;flex-direction:column;overflow:hidden;border:1px solid #d2d8d1;border-radius:20px;background:#fff;box-shadow:0 14px 36px rgba(17,30,22,.07)}
.lp-catalog-door-card[hidden]{display:none}
.lp-catalog-door-photo{position:relative;display:grid;place-items:center;height:320px;padding:18px;overflow:hidden;background:radial-gradient(circle at 50% 18%,#fff 0,#f0f2ee 62%,#e3e7e1 100%);border-bottom:1px solid #e2e6e0}
.lp-catalog-door-photo img{position:absolute;inset:18px;display:block;width:calc(100% - 36px);max-width:none;height:calc(100% - 36px)!important;max-height:none;object-fit:contain;filter:drop-shadow(0 13px 11px rgba(18,27,22,.14))}
.lp-catalog-door-badge{position:absolute;top:12px;left:12px;z-index:1;padding:7px 10px;border-radius:999px;background:#c8ff31;color:#101713;box-shadow:0 5px 16px rgba(25,40,17,.16);font-size:10px;font-weight:950;letter-spacing:.05em;text-transform:uppercase}
.lp-catalog-door-copy{display:flex;flex:1;min-width:0;flex-direction:column;padding:18px}
.lp-catalog-door-meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
.lp-catalog-door-meta span{color:#456416;font-size:10px;font-weight:950;letter-spacing:.09em;text-transform:uppercase}
.lp-catalog-door-meta small{color:#7d877f;font-size:10px}
.lp-catalog-door-card h3{margin:0 0 8px;color:#101713;font-size:21px;line-height:1.08}
.lp-catalog-door-description{min-height:76px;margin:0 0 12px;color:#39443d;font-size:12px;line-height:1.55}
.lp-catalog-door-colors{min-height:38px;margin:0;color:#657069;font-size:12px;line-height:1.45}
.lp-catalog-door-price{margin:18px 0 0;color:#101713;font-size:28px;font-weight:950;line-height:1;letter-spacing:-1px}
.lp-catalog-door-price small{color:#647067;font-size:11px;letter-spacing:0}
.lp-catalog-door-price em{color:#647067;font-size:10px;font-style:normal;letter-spacing:.02em;text-transform:uppercase}
.lp-catalog-door-scope{margin:6px 0 16px;color:#7b867e;font-size:10px}
.lp-catalog-door-card a{display:inline-flex;align-items:center;min-height:44px;margin-top:auto;color:#28480f;font-size:12px;font-weight:950;text-decoration:underline;text-decoration-color:#98a193;text-underline-offset:5px}
.lp-door-catalog-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;align-items:center;margin-top:28px}
.lp-door-catalog-actions button{min-height:50px;padding:0 22px;border:0;border-radius:12px;background:#101713;color:#d5ff54;font:900 14px/1 inherit;cursor:pointer}
.lp-door-catalog-actions button[hidden]{display:none}
.lp-door-catalog-actions a{display:inline-flex;align-items:center;min-height:50px;color:#28480f;font-weight:900;text-decoration:underline;text-decoration-color:#98a193;text-underline-offset:5px}
.lp-door-catalog-note{max-width:980px;margin:28px auto 0;padding:18px 20px;border:1px solid #cbd2ca;border-radius:15px;background:#e5e9e2;color:#59655d;font-size:12px;line-height:1.6}
.lp-door-catalog-note strong{color:#101713}

.steel-help{padding:72px 0;background:#101914;color:#fff}
.steel-help-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.steel-help h2{margin:8px 0 12px;font-size:clamp(34px,4.5vw,58px);line-height:1.03;letter-spacing:-.045em}
.steel-help p{max-width:720px;color:#b7c4bd;font-size:17px;line-height:1.65}
.steel-help .actions{justify-content:flex-end}

@media(max-width:900px){
  .steel-intro-grid,.steel-help-grid{grid-template-columns:1fr;gap:25px}
  .steel-standard-card,.steel-standard-card.reverse{grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr)}
  .steel-standard-card.reverse .steel-standard-visual{order:1}
  .steel-standard-card.reverse .steel-standard-copy{order:2}
  .steel-standard-copy{padding:34px 28px}
  .steel-standard-visual{min-height:530px}
  .steel-color-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .steel-help .actions{justify-content:flex-start}
  .lp-door-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:680px){
  .steel-page-tabs{top:72px}
  .steel-page-tabs-inner{min-height:64px}
  .steel-page-tabs a{min-height:42px;padding:0 14px;font-size:12px}
  .steel-intro{padding:42px 0}
  .steel-lines{padding:64px 0 72px}
  .steel-lines-head h2{font-size:40px}
  .steel-standard-card,.steel-standard-card.reverse{grid-template-columns:1fr;border-radius:20px}
  .steel-standard-visual{min-height:0;aspect-ratio:4/5}
  .steel-standard-copy{padding:28px 22px 25px}
  .steel-standard-copy h3{font-size:42px}
  .steel-price-highlight{gap:7px;padding:12px 14px}
  .steel-price-highlight strong{font-size:32px}
  .steel-use-types{display:grid;grid-template-columns:1fr 1fr}
  .steel-use-type{min-width:0;padding:12px;font-size:15px}
  .steel-specs{grid-template-columns:1fr}
  .steel-specs span{grid-template-columns:auto 1fr;align-items:baseline;gap:10px}
  .steel-standard-visual figcaption{left:12px;bottom:12px;font-size:11px}
  .steel-subsection-head{padding:40px 0 8px;scroll-margin-top:140px}
  .steel-subsection-head h2{font-size:40px}
  .catalog-feature .steel-standard-visual img{padding:24px}
  .steel-data-note{grid-template-columns:1fr;gap:7px}
  .steel-colors{padding:64px 0 72px}
  .steel-colors-head h2{font-size:40px}
  .steel-color-group-head{align-items:flex-start;flex-direction:column;gap:6px}
  .steel-color-grid,.steel-color-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .steel-color span{padding:10px 10px 12px;font-size:12px}
  .steel-colors-note{grid-template-columns:1fr;gap:7px}
  .lp-door-catalog{padding:64px 0 72px;scroll-margin-top:136px}
  .lp-door-catalog-internal{grid-template-columns:auto 1fr;width:100%;margin-bottom:28px;padding:14px 15px}
  .lp-door-catalog-internal>span{grid-row:1/3}
  .lp-door-catalog-internal p{grid-column:2}
  .lp-door-catalog .section-head h2{font-size:40px}
  .lp-door-catalog-grid{grid-template-columns:1fr;gap:14px}
  .lp-catalog-door-photo{height:330px;padding:14px}
  .lp-catalog-door-photo img{inset:14px;width:calc(100% - 28px);height:calc(100% - 28px)!important}
  .lp-catalog-door-copy{padding:18px}
  .lp-catalog-door-card h3{font-size:22px}
  .lp-catalog-door-description,.lp-catalog-door-colors{min-height:0;font-size:12px}
  .lp-catalog-door-price{font-size:27px}
  .lp-door-catalog-toolbar{gap:7px}
  .lp-door-catalog-toolbar button{min-height:42px;padding:0 12px;font-size:11px}
  .steel-help{padding:58px 0}
  .steel-help .actions{align-items:stretch;flex-direction:column}
  .steel-help .btn{text-align:center}
}