:root{
  --bg:#FAFAF8; --surface:#fff; --dark:#111116; --dark2:#1A1A22;
  --accent:#FF6B2B; --accent-dark:#E85A1E; --accent-light:#FFF3ED;
  --text:#1A1A1F; --sub:#5A5A66; --light:#8A8A96;
  --border:#E8E8E0; --kraft:#F0EBE0;
  --green:#16A34A; --blue:#2563EB; --purple:#7C3AED; --teal:#0D9488; --gold:#CA8A04;
  --mono:'SF Mono',ui-monospace,'Cascadia Code','Fira Code',Consolas,monospace;
  --ff:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--ff);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:var(--dark);border-bottom:1px solid #2A2A34}
.nav-in{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:56px;gap:16px}
.logo{color:var(--accent);font-weight:900;font-size:20px;font-family:var(--mono);letter-spacing:2px;text-decoration:none}
.logo:hover{text-decoration:none}
.nav-links{flex:1;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{padding:6px 14px;border-radius:6px;font-size:13.5px;font-weight:500;color:#888;white-space:nowrap;text-decoration:none}
.nav-links a:hover{color:#ccc;text-decoration:none}
.nav-links a.active{background:rgba(255,107,43,.12);color:var(--accent);font-weight:700}
.nav-cta{background:var(--accent);color:#fff!important;padding:8px 18px;border-radius:6px;font-weight:700;font-size:13px;white-space:nowrap;text-decoration:none}
.nav-cta:hover{background:var(--accent-dark);text-decoration:none}
.burger{display:none;background:none;border:none;color:#888;font-size:22px;cursor:pointer;padding:4px 8px}

/* SECTIONS */
section{padding:64px 0}
section.pad-sm{padding:46px 0}
.dark{background:var(--dark);color:#fff}
.dark h1,.dark h2,.dark h3{color:#fff}
.dark p{color:#AAA}
.kraft{background:var(--kraft)}
.surface{background:var(--surface)}
.accent-bg{background:var(--accent);color:#fff}
.accent-bg h2,.accent-bg p{color:#fff}
.accent-light-bg{background:var(--accent-light)}

/* HEADINGS */
h1{font-size:44px;font-weight:800;line-height:1.15;letter-spacing:-1px;margin:0}
h2{font-size:32px;font-weight:800;line-height:1.22;margin:0}
h3{font-size:18px;font-weight:700;margin:0 0 8px}
h4{font-size:16px;font-weight:700;margin:0 0 6px}
.eyebrow{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:3px;margin-bottom:8px;text-transform:uppercase}
.shead{margin-bottom:34px}
.shead.center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto}
.shead p{margin:10px 0 0;font-size:16px;color:var(--sub);line-height:1.7}
.lede{font-size:19px;color:#AAA;line-height:1.7;max-width:600px;margin:20px 0 0}

/* BUTTONS */
.btn{display:inline-block;padding:15px 30px;border-radius:8px;font-weight:700;font-size:16px;cursor:pointer;border:none;font-family:var(--ff);text-decoration:none;text-align:center}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;color:#CCC;border:1px solid #555}
.btn-ghost:hover{border-color:#888;color:#fff}
.btn-outline{background:transparent;color:var(--accent);border:2px solid var(--accent)}
.btn-outline:hover{background:var(--accent-light)}
.btn-white{background:#fff;color:var(--accent)}
.btn-sm{padding:12px 26px;font-size:15px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

/* CARDS + GRID */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px}
.card.t-accent{border-top:3px solid var(--accent)}
.card.t-gold{border-top:3px solid var(--gold)}
.card.t-purple{border-top:3px solid var(--purple)}
.card.t-teal{border-top:3px solid var(--teal)}
.card.t-green{border-top:3px solid var(--green)}
.card.t-blue{border-top:3px solid var(--blue)}
.card p{margin:0;color:var(--sub);font-size:14px;line-height:1.7}
.card .ico{font-size:30px;margin-bottom:10px}
.card-flex{display:flex;gap:16px}
.card-flex .icobox{width:48px;height:48px;border-radius:12px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}

/* METRICS */
.metrics{display:flex;gap:28px;flex-wrap:wrap;margin-top:34px}
.metrics.center{justify-content:center;gap:36px}
.metric{text-align:center}
.metric b{display:block;font-size:34px;font-weight:800;font-family:var(--mono);color:var(--accent);letter-spacing:-1px;line-height:1.1}
.metric span{font-size:12px;color:var(--sub);font-weight:500}
.dark .metric span{color:#888}
.metric.green b{color:var(--green)}
.metric.blue b{color:var(--blue)}

/* BADGE */
.badge{display:inline-block;background:rgba(255,107,43,.09);color:var(--accent);border:1px solid rgba(255,107,43,.27);border-radius:20px;padding:3px 12px;font-size:11px;font-weight:700;font-family:var(--mono);white-space:nowrap}
.badge.sub{background:rgba(90,90,102,.09);color:var(--sub);border-color:rgba(90,90,102,.27)}
.badge.gold{background:rgba(202,138,4,.09);color:var(--gold);border-color:rgba(202,138,4,.3)}
.badge.purple{background:rgba(124,58,237,.09);color:var(--purple);border-color:rgba(124,58,237,.3)}
.badge.teal{background:rgba(13,148,136,.09);color:var(--teal);border-color:rgba(13,148,136,.3)}
.badge.green{background:rgba(22,163,74,.09);color:var(--green);border-color:rgba(22,163,74,.3)}

/* PHOTO PLACEHOLDER */
.photo{background:#F0EDE6;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed var(--border);gap:6px;text-align:center;padding:12px}
.photo .p-ico{font-size:32px}
.photo .p-lbl{font-family:var(--mono);font-size:10.5px;color:var(--light)}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{padding:16px 0;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--text);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:300;flex-shrink:0}
.faq details[open] summary::after{content:"\2212"}
.faq .ans{padding:0 0 18px}
.faq .ans p{margin:0;color:var(--sub);font-size:14.5px;line-height:1.85}
.faq .stat{margin-top:12px;background:var(--accent-light);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;padding:10px 16px;font-size:13.5px;color:var(--accent);font-weight:700}

/* PROCESS TIMELINE */
.timeline{max-width:700px;margin:0 auto}
.tl-item{display:grid;grid-template-columns:56px 1fr;gap:16px}
.tl-dot-col{display:flex;flex-direction:column;align-items:center}
.tl-dot{width:42px;height:42px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.tl-line{width:2px;flex:1;background:rgba(255,107,43,.27);margin-top:4px}
.tl-body{padding-bottom:26px}
.tl-head{display:flex;gap:10px;align-items:center;margin-bottom:5px;flex-wrap:wrap}
.tl-body p{margin:0;color:var(--sub);font-size:14px;line-height:1.75}

/* SPEC GRID */
.specs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.spec{background:var(--kraft);border-radius:8px;padding:10px 14px}
.spec .k{font-family:var(--mono);font-size:10px;color:var(--light);letter-spacing:1.5px;text-transform:uppercase}
.spec .v{font-size:13.5px;font-weight:600;margin-top:3px}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.lbl{font-family:var(--mono);font-size:10px;color:var(--light);letter-spacing:2px;margin-bottom:8px;text-transform:uppercase}

/* PRODUCT TABS */
.ptabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.ptab{padding:10px 16px;border-radius:8px;border:2px solid #333;background:transparent;color:#888;font-weight:600;font-size:14px;cursor:pointer;font-family:var(--ff)}
.ptab.active{border-color:var(--accent);background:rgba(255,107,43,.1);color:var(--accent)}
.ppanel{display:none}
.ppanel.active{display:block}
.pgrid{display:grid;grid-template-columns:340px 1fr;gap:32px}

/* CALCULATOR */
.calc-grid{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.opt-grid{display:grid;gap:8px}
.opt-grid.c4{grid-template-columns:repeat(4,1fr)}
.opt-grid.c2{grid-template-columns:repeat(2,1fr)}
.opt{padding:12px 8px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;background:var(--surface);color:var(--text);border:2px solid var(--border);font-family:var(--ff)}
.opt.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.opt.soft.active{background:rgba(255,107,43,.08);color:var(--accent)}
.qty-row{display:flex;gap:6px;flex-wrap:wrap}
.qty{padding:10px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;font-family:var(--mono);background:var(--surface);color:var(--text);border:2px solid var(--border)}
.qty.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.price-box{background:var(--dark);border-radius:16px;padding:26px 24px;color:#fff;position:sticky;top:72px}
.price-box .unit{font-size:46px;font-weight:800;font-family:var(--mono);color:var(--accent);letter-spacing:-2px;line-height:1.1}
.price-row{display:flex;justify-content:space-between;margin-bottom:8px;font-size:13px;color:#888}
.price-row b{color:#fff;font-family:var(--mono)}
.price-row.total b{color:var(--accent);font-size:22px}
.hr{height:1px;background:#333;margin:14px 0}

/* FORM */
.form{max-width:640px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{font-size:12px;color:var(--sub);font-weight:600;display:block;margin-bottom:5px}
.field input,.field textarea{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;font-family:var(--ff);font-size:14px;color:var(--text)}
.field textarea{min-height:100px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.upload{flex:1;min-width:200px;padding:13px;background:var(--accent-light);border:1px dashed var(--accent);border-radius:8px;text-align:center;color:var(--accent);font-size:13px;font-weight:600;cursor:pointer}

/* MISC */
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.smart-item{background:rgba(255,255,255,.04);border:1px solid;border-left-width:3px;border-radius:10px;padding:13px 18px;margin-bottom:12px}
.smart-item b{font-size:15px;display:block}
.smart-item span{color:#999;font-size:13px}
.note{background:var(--surface);border-radius:12px;padding:20px 24px;margin-top:20px;text-align:center;border:1px solid var(--border)}
.note p{margin:0;font-size:15px;line-height:1.7}
.center{text-align:center}
.mt{margin-top:28px}
.hero-note{margin-top:26px;font-size:13px;color:#666;font-style:italic}
.commit{display:inline-flex;gap:22px;flex-wrap:wrap;justify-content:center;margin-bottom:18px}
.commit span{color:var(--accent);font-weight:700;font-size:15px}
.icon-feat{text-align:center}
.icon-feat .i{font-size:28px;margin-bottom:8px}
.icon-feat b{font-size:15px;display:block;margin-bottom:4px}
.icon-feat span{color:var(--sub);font-size:12.5px;line-height:1.6}

/* FOOTER */
footer{background:var(--dark);padding:44px 0 30px;color:#888}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot-grid h5{color:#AAA;margin:0 0 12px;font-size:13px;font-weight:700}
.foot-grid p,.foot-grid li{font-size:13px;line-height:1.8}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:7px}
.foot-grid a{color:#888}
.foot-grid a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid #2A2A34;padding-top:16px;margin-top:22px;font-size:11px;color:#444;line-height:1.7}

/* RESPONSIVE */
@media(max-width:960px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:1fr}
  .calc-grid{grid-template-columns:1fr}
  .price-box{position:static}
  .split{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  h1{font-size:32px}
  h2{font-size:25px}
  section{padding:44px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .opt-grid.c4{grid-template-columns:repeat(2,1fr)}
  .specs{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .nav-links{position:fixed;top:56px;left:0;right:0;background:var(--dark);flex-direction:column;padding:12px 24px;display:none;border-bottom:1px solid #2A2A34}
  .nav-links.open{display:flex}
  .burger{display:block}
  .metrics{gap:20px}
  .lede{font-size:17px}
}