:root{
  --navy:#0d151b;
  --navy-2:#152029;
  --charcoal:#12171c;
  --teal:#4fa3aa;
  --teal-light:#6fbcc2;
  --teal-dark:#3a7d83;
  --cream:#f7f5f0;
  --cream-2:#f0eee7;
  --ink:#13202a;
  --gray:#5c6975;
  --gray-light:#8a95a0;
  --border:rgba(255,255,255,0.12);
  --border-dark:rgba(15,25,32,0.1);
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;max-width:100%;overflow-x:hidden;}
body{font-family:'Inter',sans-serif;color:var(--ink);background:var(--cream);line-height:1.55;-webkit-font-smoothing:antialiased;max-width:100%;overflow-x:hidden;}
h1,h2,h3,h4{font-family:'Playfair Display',serif;font-weight:600;line-height:1.15;letter-spacing:-0.01em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.kicker{text-transform:uppercase;letter-spacing:0.16em;font-size:12.5px;font-weight:600;color:var(--teal);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap;}
.btn-primary{background:var(--teal);color:#08151a;}
.btn-primary:hover{background:var(--teal-light);}
.btn-outline{border-color:rgba(255,255,255,0.35);color:#fff;}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.08);}
.btn-outline-dark{border-color:rgba(15,25,32,0.25);color:var(--ink);}
.btn-outline-dark:hover{border-color:var(--ink);background:rgba(15,25,32,0.05);}
.btn-sm{padding:10px 18px;font-size:13.5px;}

header.site-header{position:sticky;top:0;z-index:100;background:rgba(13,21,27,0.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:16px 32px;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;}
.logo-mark{width:34px;height:34px;flex:none;}
.logo-mark img{width:100%;height:100%;object-fit:contain;display:block;}
.logo-text{font-family:'Playfair Display',serif;font-size:20px;font-weight:600;letter-spacing:0.01em;}
nav.main-nav{display:flex;align-items:center;gap:30px;}
nav.main-nav>a{color:rgba(255,255,255,0.82);font-size:14.5px;font-weight:500;transition:color .15s ease;padding:8px 0;}
nav.main-nav>a:hover,nav.main-nav>a.active{color:#fff;}
.has-dropdown{position:relative;}
.has-dropdown>span{color:rgba(255,255,255,0.82);font-size:14.5px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:5px;padding:8px 0;}
.has-dropdown:hover>span{color:#fff;}
.has-dropdown:hover .dropdown-panel{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);width:560px;background:var(--navy-2);border:1px solid var(--border);border-radius:12px;padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:4px;opacity:0;visibility:hidden;transition:all .18s ease;box-shadow:0 24px 48px -20px rgba(0,0,0,0.5);}
.dropdown-panel a{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:8px;color:rgba(255,255,255,0.85);}
.dropdown-panel a:hover{background:rgba(255,255,255,0.06);color:#fff;}
.dropdown-panel a strong{font-size:13.5px;font-weight:600;}
.dropdown-panel a span{font-size:12px;color:rgba(255,255,255,0.5);}
.nav-cta{display:flex;align-items:center;gap:18px;}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:26px;cursor:pointer;}

.hero{position:relative;background:radial-gradient(ellipse at 75% 20%, rgba(79,163,170,0.18), transparent 55%),repeating-linear-gradient(115deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 2px, transparent 2px, transparent 34px),linear-gradient(160deg, var(--charcoal) 0%, var(--navy) 55%, #0a1116 100%);color:#fff;padding:110px 0 90px;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-10%;top:-10%;width:60%;height:140%;background:radial-gradient(circle, rgba(79,163,170,0.14), transparent 60%);pointer-events:none;}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:56px;align-items:center;}
.hero h1{font-size:50px;color:#fff;margin:18px 0 22px;}
.hero h1 em{font-style:normal;color:var(--teal-light);}
.hero p.lead{font-size:18px;color:rgba(255,255,255,0.75);max-width:560px;margin-bottom:34px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:4/5;border:1px solid var(--border);}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual-tag{position:absolute;left:20px;bottom:20px;background:rgba(13,21,27,0.75);border:1px solid var(--border);backdrop-filter:blur(6px);padding:12px 16px;border-radius:10px;font-size:13px;color:#fff;max-width:260px;}
.hero-visual-tag strong{color:var(--teal-light);display:block;font-size:14px;margin-bottom:2px;}

.page-hero{position:relative;min-height:420px;display:flex;align-items:flex-end;color:#fff;overflow:hidden;}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg, rgba(9,14,18,0.92) 0%, rgba(9,14,18,0.55) 55%, rgba(9,14,18,0.35) 100%);z-index:1;}
.page-hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:70px 32px 46px;width:100%;}
.page-hero h1{font-size:42px;color:#fff;margin:14px 0 12px;max-width:760px;}
.page-hero p{font-size:16.5px;color:rgba(255,255,255,0.78);max-width:600px;}
.breadcrumb{font-size:12.5px;color:rgba(255,255,255,0.55);margin-bottom:14px;display:flex;gap:8px;align-items:center;}
.breadcrumb a:hover{color:#fff;}

.trust-bar{background:var(--navy-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:26px 0;}
.trust-inner{max-width:var(--maxw);margin:0 auto;padding:0 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.trust-item{display:flex;align-items:center;justify-content:center;gap:12px;color:rgba(255,255,255,0.85);text-align:center;}
.trust-item .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);flex:none;}
.trust-item span{font-size:14px;font-weight:500;}

.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section-head{max-width:680px;margin-bottom:56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:34px;margin-top:14px;color:var(--ink);}
.section-head p{font-size:17px;color:var(--gray);margin-top:14px;}
.section-head.on-dark h2{color:#fff;}
.section-head.on-dark p{color:rgba(255,255,255,0.68);}
.section.on-dark{background:linear-gradient(180deg,var(--navy) 0%, var(--charcoal) 100%);color:#fff;}
.section.alt{background:var(--cream-2);}

.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px;border-radius:var(--radius);overflow:hidden;}
.compare-card{padding:38px 34px;border-radius:var(--radius);}
.compare-card.typical{background:#eceae4;border:1px solid var(--border-dark);}
.compare-card.yofee{background:linear-gradient(160deg,var(--charcoal),var(--navy) 80%);color:#fff;position:relative;box-shadow:0 20px 50px -18px rgba(13,21,27,0.45);}
.compare-card h4{font-size:13px;text-transform:uppercase;letter-spacing:0.12em;font-family:'Inter',sans-serif;font-weight:700;margin-bottom:20px;}
.compare-card.typical h4{color:var(--gray);}
.compare-card.yofee h4{color:var(--teal-light);}
.compare-step{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed var(--border-dark);font-size:15px;}
.compare-card.yofee .compare-step{border-bottom:1px dashed rgba(255,255,255,0.14);}
.compare-step:last-child{border-bottom:none;}
.compare-step .n{width:26px;height:26px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;background:rgba(15,25,32,0.08);color:var(--ink);}
.compare-card.yofee .compare-step .n{background:var(--teal);color:#08151a;}
.compare-card.typical .compare-step{color:var(--gray);}
.compare-foot{margin-top:22px;font-size:14px;color:var(--gray);}
.compare-card.yofee .compare-foot{color:rgba(255,255,255,0.7);}

.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cap-card{background:#fff;border:1px solid var(--border-dark);border-radius:var(--radius);overflow:hidden;transition:transform .18s ease, box-shadow .18s ease;display:flex;flex-direction:column;}
.cap-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -24px rgba(13,21,27,0.25);}
.cap-card .cap-img{aspect-ratio:16/10;overflow:hidden;}
.cap-card .cap-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.cap-card:hover .cap-img img{transform:scale(1.05);}
.cap-card-body{padding:24px 24px 26px;flex:1;display:flex;flex-direction:column;}
.cap-num{font-family:'Playfair Display',serif;font-size:13px;color:var(--teal-dark);margin-bottom:8px;}
.cap-card h3{font-size:19px;margin-bottom:10px;color:var(--ink);}
.cap-card p{font-size:14.5px;color:var(--gray);margin-bottom:14px;flex:1;}
.cap-tag{font-size:12.5px;color:var(--teal-dark);font-weight:600;letter-spacing:0.02em;margin-bottom:14px;}
.cap-card .btn{align-self:flex-start;}

.who{background:linear-gradient(180deg,var(--navy) 0%, var(--charcoal) 100%);color:#fff;}
.who-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-radius:var(--radius);overflow:hidden;border-top:1px solid var(--border);border-left:1px solid var(--border);}
.who-card{background:var(--navy-2);padding:26px 22px;min-height:180px;display:flex;flex-direction:column;justify-content:space-between;transition:background .15s ease;border-right:1px solid var(--border);border-bottom:1px solid var(--border);}
.who-card:hover{background:#1b2a34;}
.who-card h4{font-family:'Inter',sans-serif;font-weight:600;font-size:15px;color:#fff;margin-bottom:10px;}
.who-card p{font-size:13px;color:rgba(255,255,255,0.62);}
.who-num{font-family:'Playfair Display',serif;font-size:13px;color:var(--teal-light);}

.split-feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:64px 0;border-bottom:1px solid var(--border-dark);}
.split-feature:last-child{border-bottom:none;}
.split-feature.reverse .sf-media{order:2;}
.split-feature.reverse .sf-copy{order:1;}
.sf-media{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;}
.sf-media img{width:100%;height:100%;object-fit:cover;}
.sf-copy h3{font-size:26px;margin:12px 0 14px;}
.sf-copy p{color:var(--gray);font-size:15.5px;margin-bottom:16px;}
.sf-list{display:flex;flex-direction:column;gap:9px;margin-bottom:18px;}
.sf-list li{font-size:14.5px;color:var(--ink);display:flex;gap:10px;align-items:flex-start;}
.sf-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:7px;flex:none;}

.finish-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.finish-chip{background:#fff;border:1px solid var(--border-dark);border-radius:10px;padding:14px 12px;font-size:13px;font-weight:500;color:var(--ink);text-align:center;}

.install-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;}
.install-copy h2{font-size:34px;margin:14px 0 18px;}
.install-copy p{color:var(--gray);font-size:16.5px;margin-bottom:22px;}
.install-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin-bottom:26px;}
.install-list li{font-size:14.5px;color:var(--ink);display:flex;gap:10px;align-items:flex-start;}
.install-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:7px;flex:none;}
.install-banner{background:var(--ink);color:#fff;padding:16px 20px;border-radius:10px;font-size:14.5px;display:flex;gap:12px;align-items:center;}
.install-banner strong{color:var(--teal-light);}
.fl-badge{position:relative;border-radius:var(--radius);overflow:hidden;background:linear-gradient(160deg,var(--charcoal),var(--navy));border:1px solid var(--border);padding:44px 30px;color:#fff;text-align:center;}
.fl-badge .fl-shape{width:120px;height:120px;margin:0 auto 20px;border-radius:50%;background:radial-gradient(circle at 35% 30%, var(--teal-light), var(--teal-dark) 70%);display:flex;align-items:center;justify-content:center;font-family:'Playfair Display',serif;font-weight:700;font-size:15px;color:#08151a;}
.fl-badge h4{font-size:20px;margin-bottom:10px;}
.fl-badge p{font-size:14px;color:rgba(255,255,255,0.7);}

.brands{background:#fff;border-top:1px solid var(--border-dark);border-bottom:1px solid var(--border-dark);padding:56px 0;}
.brands .wrap{text-align:center;}
.brands .kicker{display:block;margin-bottom:22px;}
.brand-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;font-family:'Playfair Display',serif;font-size:18px;color:var(--gray);}
.brand-row span{opacity:0.8;}

.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.filter-btn{border:1px solid var(--border-dark);background:#fff;padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:500;color:var(--gray);cursor:pointer;transition:all .15s ease;}
.filter-btn:hover{border-color:var(--teal);color:var(--teal-dark);}
.filter-btn.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.gallery-tile{aspect-ratio:4/5;border-radius:12px;position:relative;overflow:hidden;border:1px solid var(--border-dark);}
.gallery-tile img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.gallery-tile:hover img{transform:scale(1.06);}
.gallery-tile .gt-tag{position:absolute;left:12px;bottom:12px;font-size:12.5px;font-weight:600;background:rgba(13,21,27,0.65);color:#fff;padding:6px 10px;border-radius:6px;backdrop-filter:blur(4px);}
.gallery-tile.hide{display:none;}

.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.tl-step{text-align:left;}
.tl-num{width:34px;height:34px;border-radius:50%;background:var(--teal);color:#08151a;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.tl-step h4{font-size:15.5px;margin-bottom:6px;}
.tl-step p{font-size:13.5px;color:var(--gray-light);}
.section.on-dark .tl-step p{color:rgba(255,255,255,0.6);}
.section.on-dark .tl-step h4{color:#fff;}

.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.badge{border:1px solid var(--border-dark);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:500;color:var(--ink);background:#fff;}

.contact{background:linear-gradient(160deg,var(--charcoal),var(--navy) 90%);color:#fff;}
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;}
.contact-info h2{font-size:34px;color:#fff;margin:14px 0 18px;}
.contact-info p{color:rgba(255,255,255,0.7);font-size:16px;margin-bottom:28px;}
.contact-detail{margin-bottom:18px;}
.contact-detail .label{font-size:12px;text-transform:uppercase;letter-spacing:0.1em;color:var(--teal-light);margin-bottom:4px;}
.contact-detail .value{font-size:16px;font-weight:500;}
form.rfq{background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:var(--radius);padding:34px;backdrop-filter:blur(6px);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.form-field{display:flex;flex-direction:column;gap:7px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:12.5px;color:rgba(255,255,255,0.65);font-weight:500;}
.form-field input, .form-field select, .form-field textarea{background:rgba(255,255,255,0.06);border:1px solid var(--border);border-radius:8px;padding:12px 14px;color:#fff;font-family:'Inter',sans-serif;font-size:14.5px;}
.form-field textarea{resize:vertical;min-height:90px;}
.form-field input::placeholder, .form-field textarea::placeholder{color:rgba(255,255,255,0.35);}
form.rfq .btn-primary{width:100%;margin-top:6px;padding:15px;}

footer{background:#0a1116;color:rgba(255,255,255,0.6);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;}
.footer-col h5{color:#fff;font-family:'Inter',sans-serif;font-size:13.5px;font-weight:600;margin-bottom:16px;letter-spacing:0.02em;}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,0.55);margin-bottom:10px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:22px;display:flex;justify-content:space-between;align-items:center;font-size:12.5px;flex-wrap:wrap;gap:10px;}

.reveal{}

.hero-video-section{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;padding:150px 0 110px;}
.hero-bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(100deg, rgba(10,16,20,0.94) 0%, rgba(10,16,20,0.8) 32%, rgba(10,16,20,0.42) 68%, rgba(10,16,20,0.18) 100%), radial-gradient(ellipse at 75% 20%, rgba(79,163,170,0.18), transparent 55%);}
.hero-video-section .hero-inner{width:100%;}
.hero-copy{max-width:640px;}
.hero-copy h1{font-size:50px;color:#fff;margin:18px 0 22px;}
.hero-copy h1 em{font-style:normal;color:var(--teal-light);}
.hero-copy p.lead{font-size:18px;color:rgba(255,255,255,0.75);margin-bottom:34px;}

@media (max-width:680px){
  .hero-video-section{min-height:520px;padding:120px 0 80px;}
  .hero-copy h1{font-size:32px;}
}

@media (max-width:980px){
  .hero-grid, .install-grid, .contact-grid, .split-feature{grid-template-columns:1fr;}
  .split-feature.reverse .sf-media, .split-feature.reverse .sf-copy{order:0;}
  .hero-visual{aspect-ratio:16/9;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
  .who-grid{grid-template-columns:repeat(3,1fr);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .compare-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .trust-inner{grid-template-columns:1fr;gap:14px;}
  .trust-item{justify-content:flex-start;text-align:left;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .finish-grid{grid-template-columns:repeat(2,1fr);}
  .dropdown-panel{width:460px;grid-template-columns:1fr;}
}
@media (max-width:680px){
  nav.main-nav{display:none;}
  .menu-toggle{display:block;flex:none;}
  .nav-inner{padding:14px 16px;gap:10px;}
  .logo-text{font-size:16px;}
  .logo-mark{width:28px;height:28px;}
  .nav-cta{gap:8px;min-width:0;}
  .nav-cta .btn-outline{display:none;}
  .nav-cta .btn-primary{padding:9px 14px;font-size:12.5px;white-space:nowrap;}
  .hero h1{font-size:34px;}
  .page-hero h1{font-size:30px;}
  .cap-grid, .who-grid, .gallery-grid{grid-template-columns:1fr 1fr;}
  .install-list{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr 1fr;}
}