/* Motor reducer category demo — selection-first UX for Tiến Phát */
.grx-page{overflow:hidden;background:var(--paper)}
.grx-breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:18px 0 0;color:var(--muted);font-size:12px}.grx-breadcrumb a:hover{color:var(--orange)}
.grx-hero{position:relative;overflow:hidden;background:linear-gradient(90deg,var(--cream) 0 58%,var(--ink) 58%)}.grx-hero:before{content:"i";position:absolute;left:-15px;bottom:-130px;color:rgba(23,51,47,.045);font-family:Cambria,"Times New Roman",serif;font-size:420px;font-weight:700;font-style:italic;line-height:1;pointer-events:none}.grx-hero:after{content:"";position:absolute;right:-180px;top:-220px;width:510px;height:510px;border:95px solid rgba(220,109,53,.1);border-radius:50%;pointer-events:none}
.grx-hero-grid{position:relative;z-index:2;min-height:700px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(430px,.92fr);gap:70px;align-items:center;padding:48px 0 66px}.grx-hero-copy{max-width:680px}.grx-kicker{display:flex;align-items:center;gap:10px;color:var(--orange);font-size:10px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.grx-kicker:before{content:"";width:34px;height:2px;background:currentColor}.grx-hero h1{margin:15px 0 20px;font-family:Cambria,"Times New Roman",serif;font-size:clamp(47px,5.35vw,76px);font-weight:500;line-height:.98;letter-spacing:-.047em}.grx-hero h1 em{display:block;color:var(--orange);font-style:normal}.grx-hero-lead{max-width:640px;margin:0;color:#53665f;font-size:17px}.grx-hero-lead strong{color:var(--ink)}.grx-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}.grx-hero-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:38px;padding-top:28px;border-top:1px solid rgba(23,51,47,.15)}.grx-hero-proof b{display:block;font-size:15px}.grx-hero-proof small{display:block;margin-top:3px;color:var(--muted);font-size:8px;line-height:1.45;letter-spacing:.08em;text-transform:uppercase}
.grx-visual{position:relative;min-height:550px}.grx-visual-main{position:absolute;inset:22px 0 30px 8px;overflow:hidden;border-radius:7px 36px 7px 36px;background:#e5eaeb;box-shadow:0 36px 95px rgba(0,0,0,.34)}.grx-visual-main img{width:100%;height:100%;object-fit:cover}.grx-visual-main:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(9,35,31,.58))}.grx-visual-detail{position:absolute;left:-42px;bottom:18px;z-index:3;width:145px;height:145px;padding:9px;background:#fff;border-radius:23px 4px 23px 4px;box-shadow:var(--shadow)}.grx-visual-detail img{width:100%;height:100%;object-fit:cover;border-radius:16px 3px 16px 3px}.grx-visual-badge{position:absolute;right:-18px;bottom:0;z-index:3;width:218px;padding:22px;background:var(--orange);color:#fff;border-radius:4px 22px 4px 22px;box-shadow:var(--shadow)}.grx-visual-badge small{display:block;font-size:8px;font-weight:900;letter-spacing:.13em}.grx-visual-badge b{display:block;margin:5px 0 3px;font-family:Cambria,"Times New Roman",serif;font-size:30px;font-weight:500;line-height:1}.grx-visual-badge span{display:block;color:#fff0e8;font-size:10px}.grx-visual-caption{position:absolute;left:43px;bottom:58px;z-index:2;color:#fff;font-size:9px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
.grx-data-strip{position:relative;z-index:5;background:#fff;border-bottom:1px solid var(--line)}.grx-data-grid{display:grid;grid-template-columns:1.25fr repeat(5,1fr)}.grx-data-title,.grx-data-item{min-height:112px;display:flex;align-items:center;padding:21px 15px;border-right:1px solid var(--line)}.grx-data-title{padding-left:0}.grx-data-title small,.grx-data-item small{display:block;color:var(--orange);font-size:8px;font-weight:900;letter-spacing:.12em}.grx-data-title b{display:block;font-family:Cambria,"Times New Roman",serif;font-size:21px;font-weight:500;line-height:1.13}.grx-data-item>span{flex:none;margin-right:9px;color:var(--orange);font-size:9px;font-weight:900}.grx-data-item b{display:block;font-size:12px;line-height:1.3}.grx-data-item em{display:block;color:var(--muted);font-size:8px;font-style:normal}
.grx-section{padding:92px 0}.grx-soft{background:var(--cream)}.grx-dark{background:var(--ink);color:#fff}.grx-section[id]{scroll-margin-top:100px}.grx-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(270px,.7fr);gap:65px;align-items:end;margin-bottom:39px}.grx-head h2{margin:12px 0 0;font-family:Cambria,"Times New Roman",serif;font-size:clamp(38px,4.4vw,61px);font-weight:500;line-height:1.02;letter-spacing:-.038em}.grx-head>p{margin:0;color:var(--muted);font-size:15px}.grx-dark .grx-head>p{color:#b8cac4}
.grx-family-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:15px}.grx-family{position:relative;min-height:285px;overflow:hidden;border:0;border-radius:18px;background:#fff;color:var(--ink);text-align:left;cursor:pointer;box-shadow:0 1px 0 rgba(23,51,47,.05);transition:.25s}.grx-family:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.grx-family:nth-child(1),.grx-family:nth-child(2){grid-column:span 6}.grx-family:nth-child(n+3){grid-column:span 3}.grx-family img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.35s}.grx-family:hover img{transform:scale(1.035)}.grx-family:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(7,31,27,.9))}.grx-family-copy{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:55px 21px 19px;color:#fff}.grx-family-copy small{display:block;color:#d5e4df;font-size:8px;font-weight:900;letter-spacing:.12em}.grx-family-copy h3{margin:6px 0 4px;font-family:Cambria,"Times New Roman",serif;font-size:25px;font-weight:500;line-height:1.08}.grx-family-copy span{font-size:10px;color:#c7d8d2}.grx-family-count{position:absolute;right:13px;top:13px;z-index:3;padding:7px 10px;border-radius:999px;background:var(--orange);color:#fff;font-size:8px;font-weight:900;letter-spacing:.08em}
.grx-catalog-layout{display:grid;grid-template-columns:290px 1fr;gap:25px;align-items:start}.grx-filter{position:sticky;top:108px;padding:26px;background:var(--ink);color:#fff;border-radius:6px 25px 6px 25px}.grx-filter>small{color:#9fc0b7;font-size:9px;font-weight:900;letter-spacing:.13em}.grx-filter h3{margin:9px 0 10px;font-family:Cambria,"Times New Roman",serif;font-size:31px;font-weight:500;line-height:1.05}.grx-filter>p{margin:0 0 19px;color:#b9cbc5;font-size:12px}.grx-filter-buttons{display:grid;gap:7px}.grx-filter-button{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:12px 13px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:rgba(255,255,255,.04);color:#fff;text-align:left;cursor:pointer}.grx-filter-button b{font-size:11px}.grx-filter-button span{color:#9bb7af;font-size:8px}.grx-filter-button.active{background:var(--orange);border-color:var(--orange)}.grx-filter-button.active span{color:#fff0e8}.grx-filter-note{margin-top:17px!important;padding-top:15px;border-top:1px solid rgba(255,255,255,.12);font-size:10px!important}.grx-catalog-top{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:17px}.grx-catalog-top b{font-family:Cambria,"Times New Roman",serif;font-size:24px;font-weight:500}.grx-catalog-top span{color:var(--muted);font-size:10px}.grx-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.grx-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;transition:.24s}.grx-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}.grx-card.is-hidden{display:none}.grx-card-media{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:#e8edee}.grx-card-media img{width:100%;height:100%;object-fit:cover;transition:.3s}.grx-card:hover img{transform:scale(1.035)}.grx-card-tag{position:absolute;left:11px;top:11px;padding:6px 8px;border-radius:999px;background:var(--ink);color:#fff;font-size:7px;font-weight:900;letter-spacing:.09em}.grx-card-body{display:flex;flex-direction:column;flex:1;padding:16px}.grx-card-body>small{color:var(--orange);font-size:8px;font-weight:900;letter-spacing:.1em}.grx-card h3{margin:7px 0 10px;font-size:15px;line-height:1.33;min-height:40px}.grx-card p{min-height:36px;margin:0 0 12px;color:var(--muted);font-size:11px;line-height:1.45}.grx-card-specs{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:13px}.grx-card-specs span{padding:8px;background:var(--cream);border-radius:8px}.grx-card-specs small{display:block;color:var(--muted);font-size:6px;letter-spacing:.08em}.grx-card-specs b{display:block;margin-top:2px;font-size:9px}.grx-card-link{display:flex;justify-content:space-between;align-items:center;margin-top:auto;color:var(--forest);font-size:10px;font-weight:900}.grx-empty{display:none;padding:30px;border:1px dashed var(--line);border-radius:15px;color:var(--muted);text-align:center}.grx-empty.show{display:block}
.grx-insight{display:grid;grid-template-columns:.86fr 1.14fr;gap:66px;align-items:center}.grx-insight-copy h2{margin:12px 0 20px;font-family:Cambria,"Times New Roman",serif;font-size:clamp(39px,4.5vw,62px);font-weight:500;line-height:1.01;letter-spacing:-.04em}.grx-insight-copy p{color:#b9cbc5}.grx-insight-alert{margin-top:25px;padding:18px;border-left:4px solid var(--orange);background:rgba(255,255,255,.06);font-size:12px;color:#cad9d5}.grx-insight-board{display:grid;gap:10px}.grx-insight-row{display:grid;grid-template-columns:48px 1fr auto;gap:15px;align-items:center;padding:18px;border:1px solid rgba(255,255,255,.12);border-radius:15px;background:rgba(255,255,255,.04)}.grx-insight-row>span{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--orange);font-size:9px;font-weight:900}.grx-insight-row b{display:block;font-size:13px}.grx-insight-row small{display:block;margin-top:3px;color:#a9beb8;font-size:10px}.grx-insight-row em{color:#90b4aa;font-size:8px;font-style:normal;font-weight:900;letter-spacing:.08em}
.grx-application-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.grx-application{padding:23px;background:#fff;border:1px solid var(--line);border-radius:16px}.grx-application>span{display:block;color:var(--orange);font-family:Cambria,"Times New Roman",serif;font-size:27px}.grx-application h3{margin:7px 0 8px;font-size:15px}.grx-application p{margin:0;color:var(--muted);font-size:11px}.grx-application ul{margin:14px 0 0;padding:0;list-style:none}.grx-application li{padding:7px 0;border-top:1px solid var(--line);font-size:9px}
.grx-replace{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center}.grx-replace-media{position:relative}.grx-replace-media img{width:100%;height:540px;object-fit:cover;border-radius:7px 30px 7px 30px;box-shadow:var(--shadow)}.grx-replace-badge{position:absolute;right:-22px;bottom:28px;max-width:240px;padding:21px;background:var(--orange);color:#fff;border-radius:18px 4px 18px 4px}.grx-replace-badge small{display:block;font-size:8px;font-weight:900;letter-spacing:.12em}.grx-replace-badge b{display:block;margin-top:5px;font-size:14px;line-height:1.35}.grx-replace-copy h2{margin:12px 0 18px;font-family:Cambria,"Times New Roman",serif;font-size:clamp(38px,4.2vw,57px);font-weight:500;line-height:1.03;letter-spacing:-.035em}.grx-replace-copy>p{color:var(--muted)}.grx-replace-list{display:grid;margin:23px 0 27px}.grx-replace-item{display:grid;grid-template-columns:46px 1fr;gap:13px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.grx-replace-item>b{width:39px;height:39px;display:grid;place-items:center;border-radius:50%;background:var(--sage);color:var(--forest);font-size:9px}.grx-replace-item strong{display:block;font-size:12px}.grx-replace-item span{display:block;color:var(--muted);font-size:10px}
.grx-faq{max-width:920px;margin-inline:auto}.grx-faq details{border-bottom:1px solid var(--line)}.grx-faq summary{display:grid;grid-template-columns:42px 1fr 24px;gap:16px;align-items:center;padding:19px 0;cursor:pointer;list-style:none}.grx-faq summary::-webkit-details-marker{display:none}.grx-faq summary>b{color:var(--orange);font-family:Cambria,"Times New Roman",serif;font-size:22px;font-weight:500}.grx-faq summary span{font-size:14px;font-weight:800}.grx-faq summary i{color:var(--orange);font-size:20px;font-style:normal}.grx-faq details p{margin:0;padding:0 42px 20px 58px;color:var(--muted);font-size:13px}.grx-faq details[open] summary i{transform:rotate(45deg)}
.grx-contact{background:var(--orange);color:#fff}.grx-contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:68px;align-items:center}.grx-contact-copy h2{margin:12px 0 18px;font-family:Cambria,"Times New Roman",serif;font-size:clamp(40px,4.6vw,64px);font-weight:500;line-height:1;letter-spacing:-.04em}.grx-contact-copy>p{color:#fff0e8}.grx-deliverables{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:24px 0}.grx-deliverables span{padding:10px 12px;border:1px solid rgba(255,255,255,.24);border-radius:10px;background:rgba(255,255,255,.08);font-size:10px}.grx-contact-links{display:flex;gap:10px;flex-wrap:wrap}.grx-contact-links a{padding:12px 15px;border:1px solid rgba(255,255,255,.24);border-radius:10px;background:rgba(255,255,255,.12);font-size:11px;font-weight:800}.grx-form{display:grid;grid-template-columns:1fr 1fr;gap:13px;padding:28px;background:var(--paper);color:var(--ink);border-radius:24px;box-shadow:var(--shadow)}.grx-form h3,.grx-form>p,.grx-field.full,.grx-form button,.grx-form-status{grid-column:1/-1}.grx-form h3{margin:0;font-size:24px}.grx-form>p{margin:0 0 5px;color:var(--muted);font-size:12px}.grx-field{display:grid;gap:6px}.grx-field label{font-size:9px;font-weight:900;letter-spacing:.09em}.grx-field input,.grx-field select,.grx-field textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);outline:none}.grx-field input:focus,.grx-field select:focus,.grx-field textarea:focus{border-color:var(--forest);box-shadow:0 0 0 3px rgba(23,102,90,.08)}.grx-form-status{min-height:18px;margin:0!important;color:var(--forest)!important;font-weight:800}
@media(max-width:1080px){.grx-hero-grid{grid-template-columns:1fr 1fr;gap:42px}.grx-data-grid{grid-template-columns:1.15fr repeat(3,1fr)}.grx-data-title{grid-row:span 2}.grx-data-item:nth-last-child(-n+2){border-top:1px solid var(--line)}.grx-products{grid-template-columns:repeat(2,1fr)}.grx-application-grid{grid-template-columns:repeat(3,1fr)}.grx-application:nth-last-child(-n+2){grid-column:span 1}}
@media(max-width:800px){.grx-hero{background:linear-gradient(180deg,var(--cream) 0 56%,var(--ink) 56%)}.grx-hero-grid{grid-template-columns:1fr;gap:44px;padding-top:42px}.grx-visual{min-height:500px}.grx-head,.grx-catalog-layout,.grx-insight,.grx-replace,.grx-contact-grid{grid-template-columns:1fr;gap:34px}.grx-family:nth-child(n){grid-column:span 6}.grx-filter{position:relative;top:auto}.grx-filter-buttons{grid-template-columns:repeat(3,1fr)}.grx-filter-button{display:grid;gap:2px}.grx-filter-note{grid-column:1/-1}.grx-replace-media{max-width:650px}.grx-replace-badge{right:12px}.grx-section{padding:74px 0}}
@media(max-width:560px){.grx-breadcrumb{font-size:10px}.grx-hero h1{font-size:45px}.grx-hero-lead{font-size:15px}.grx-hero-actions{display:grid}.grx-hero-actions .btn{width:100%}.grx-hero-proof{gap:8px}.grx-hero-proof b{font-size:13px}.grx-hero-proof small{font-size:7px}.grx-hero-grid{min-height:auto;padding-bottom:48px}.grx-visual{min-height:390px}.grx-visual-main{inset:0 0 32px}.grx-visual-detail{left:10px;bottom:30px;width:104px;height:104px}.grx-visual-badge{right:6px;bottom:3px;width:172px;padding:17px}.grx-visual-badge b{font-size:24px}.grx-data-grid{grid-template-columns:1fr 1fr}.grx-data-title{grid-column:1/-1;grid-row:auto;min-height:78px;border-bottom:1px solid var(--line)}.grx-data-item{min-height:87px;padding:13px 9px}.grx-data-item:nth-child(even){border-right:0}.grx-data-item:nth-last-child(-n+2){border-top:1px solid var(--line)}.grx-data-item:last-child{grid-column:1/-1}.grx-head h2,.grx-insight-copy h2,.grx-replace-copy h2{font-size:38px}.grx-family-grid{gap:9px}.grx-family:nth-child(n){grid-column:span 6;min-height:220px}.grx-family-copy{padding:45px 14px 14px}.grx-family-copy h3{font-size:19px}.grx-filter{padding:21px}.grx-filter-buttons{grid-template-columns:1fr 1fr;gap:6px}.grx-filter-button{padding:10px}.grx-products{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.grx-card-body{padding:12px}.grx-card h3{min-height:52px;margin:6px 0 8px;font-size:12px;line-height:1.42}.grx-card p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:32px;font-size:9px}.grx-card-specs{grid-template-columns:1fr;margin-bottom:10px}.grx-card-specs span:nth-child(2){display:none}.grx-card-link{font-size:8px}.grx-catalog-top b{font-size:20px}.grx-insight-row{grid-template-columns:40px 1fr}.grx-insight-row em{grid-column:2}.grx-application-grid{grid-template-columns:1fr 1fr;gap:9px}.grx-application{padding:16px}.grx-application:last-child{grid-column:1/-1}.grx-replace-media img{height:420px}.grx-faq summary{grid-template-columns:34px 1fr 18px;gap:10px}.grx-faq details p{padding-left:44px}.grx-deliverables{grid-template-columns:1fr}.grx-form{grid-template-columns:1fr;padding:20px}.grx-form h3,.grx-form>p,.grx-field.full,.grx-form button,.grx-form-status{grid-column:auto}.grx-section{padding:64px 0}}

/* Final mobile rhythm pass */
@media(max-width:560px){
  .grx-hero-proof{grid-template-columns:1fr 1fr;gap:12px 10px}
  .grx-hero-proof>div{min-width:0}
  .grx-hero-proof>div:last-child{grid-column:1/-1;padding-top:10px;border-top:1px solid rgba(23,51,47,.1)}
  .grx-hero-proof b{font-size:14px;line-height:1.25}
  .grx-hero-proof small{font-size:7.5px;line-height:1.5}
}