*{box-sizing:border-box}:root{--bg:#09100c;--panel:#111914;--panel2:#16221a;--line:#2b4032;--green:#42dc82;--green2:#23b964;--text:#f4f7f5;--muted:#9dafa4;--shadow:0 20px 60px rgba(0,0,0,.35)}
html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% 0,#12301e 0,transparent 34%),linear-gradient(180deg,#09100c,#0d1510);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}
a{color:inherit;text-decoration:none}button{font:inherit}.nav,.studio-header{height:72px;padding:0 max(20px,calc((100vw - 1200px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(9,16,12,.9);backdrop-filter:blur(12px);position:sticky;top:0;z-index:9}.studio-header{padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:850}.logo{width:40px;height:40px;border-radius:11px;background:var(--green);color:#07130b;display:grid;place-items:center;font-weight:950}.navlinks,.header-actions{display:flex;gap:10px;align-items:center}.navlinks>a:not(.linkbtn){color:#c2d0c7;font-size:14px}
.primary-btn,.ghost-btn{border:0;border-radius:9px;padding:10px 14px;font-weight:800;cursor:pointer}.primary-btn{background:var(--green);color:#07130b}.ghost-btn{background:#1d2b22;color:#e7efe9;border:1px solid #35503f}.linkbtn{display:inline-flex;align-items:center;justify-content:center}
.hero{max-width:1200px;margin:auto;min-height:660px;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;padding:70px 20px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;color:#71e6a3;font-size:12px;font-weight:850}.hero h1{font-size:clamp(44px,6vw,76px);line-height:.98;margin:14px 0 22px;max-width:760px}.hero h1 em{font-style:normal;color:var(--green)}.hero-copy>p{font-size:18px;line-height:1.65;color:#bdcbc2;max-width:680px}.hero-actions{display:flex;gap:10px;margin:28px 0 18px}.trust{font-size:12px;color:var(--muted)}
.hero-card{background:#101a14;border:1px solid #294635;border-radius:22px;padding:14px;box-shadow:var(--shadow);transform:rotate(1deg)}.mock-toolbar{height:42px;display:flex;align-items:center;gap:7px;color:#8fa69a;font-size:12px}.mock-toolbar i{width:9px;height:9px;border-radius:50%;background:#385446}.mock-toolbar span{margin-left:8px}.blade{height:320px;background:linear-gradient(145deg,#d9dedb,#8f9993);clip-path:polygon(2% 33%,88% 22%,100% 50%,88% 78%,2% 67%,0 50%);display:grid;place-items:center;filter:drop-shadow(0 15px 20px rgba(0,0,0,.3))}.blade-art{color:#172019;text-align:center;width:72%}.moon{width:60px;height:60px;border:5px solid #172019;border-radius:50%;margin:auto}.mountains{font-size:58px;letter-spacing:-16px;height:80px}.trees{font-size:32px;letter-spacing:8px}.blade-art strong{display:block;letter-spacing:.14em;margin-top:4px}.mock-caption{text-align:center;color:#9aada1;font-size:12px;padding:10px}
.stats{max-width:1160px;margin:0 auto 70px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#101812;border-radius:16px;overflow:hidden}.stats div{padding:22px;border-right:1px solid var(--line)}.stats div:last-child{border-right:0}.stats b{display:block;color:var(--green);font-size:23px}.stats span{color:#bdcbc2;font-size:13px}
.section{max-width:1160px;margin:0 auto;padding:90px 20px}.section-head{text-align:center;max-width:700px;margin:0 auto 40px}.section h2,.cta h2{font-size:clamp(32px,4vw,48px);margin:10px 0}.section-head p,.bigp{color:#aebfb4;line-height:1.7}.cards{display:grid;gap:18px}.cards.three{grid-template-columns:repeat(3,1fr)}.cards article,.feature-list>div,.metric-grid article,.subscription-card{background:#111a14;border:1px solid var(--line);border-radius:16px;padding:24px}.cards h3{font-size:20px;margin:14px 0 8px}.cards p{color:#9fb1a6;line-height:1.6}.step{color:#5ee997;font-weight:900}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.feature-list{display:grid;gap:10px}.feature-list b{display:block}.feature-list span{color:var(--muted);font-size:13px}.price h3{font-size:42px;margin:16px 0 8px}.price h3 span{font-size:14px;color:var(--muted)}.price ul{color:#b7c6bd;line-height:2;padding-left:20px}.pill{display:inline-block;border:1px solid #365943;color:#86efaf;padding:5px 9px;border-radius:999px;font-size:11px}.featured{outline:2px solid var(--green);transform:translateY(-6px)}.wide{width:100%}.cta{max-width:1120px;margin:50px auto 90px;text-align:center;background:linear-gradient(135deg,#143221,#0f1d15);border:1px solid #31523e;border-radius:22px;padding:60px 20px}footer{max-width:1160px;margin:auto;border-top:1px solid var(--line);padding:28px 20px 40px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);display:grid;place-items:center;z-index:20}.hidden{display:none}.modal-card{width:min(440px,92vw);background:#121b15;border:1px solid var(--line);border-radius:18px;padding:26px;position:relative;box-shadow:var(--shadow)}.modal-card h2{margin:8px 0}.modal-card p{color:var(--muted);line-height:1.5}.modal-card input{width:100%;margin-top:10px}.x{position:absolute;right:12px;top:10px;background:none;border:0;color:white;font-size:26px;cursor:pointer}
input,select,textarea{background:#0b130e;color:white;border:1px solid var(--line);border-radius:8px;padding:10px;outline:none}textarea{resize:vertical}
.dashboard{max-width:1160px;margin:auto;padding:60px 20px}.dash-head,.rowhead,.subscription-card{display:flex;justify-content:space-between;align-items:center;gap:20px}.dash-head h1{font-size:46px;margin:8px 0}.dash-head p,.subscription-card p{color:var(--muted)}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:34px 0}.metric-grid span{display:block;color:var(--muted);font-size:12px}.metric-grid b{font-size:30px;display:block;margin-top:6px}.dash-section{margin-top:38px}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.project-card{background:#121b15;border:1px solid var(--line);border-radius:14px;padding:18px}.project-card small{color:var(--muted);display:block;margin-top:4px}
.credit-badge{border:1px solid #31523e;background:#14261a;padding:8px 10px;border-radius:999px;font-size:12px;color:#bde8cc}
.studio-layout{display:grid;grid-template-columns:360px 1fr;min-height:calc(100vh - 72px)}.studio-side{background:#101812;border-right:1px solid var(--line);padding:16px;overflow:auto}.studio-side section{padding-bottom:17px;margin-bottom:17px;border-bottom:1px solid var(--line)}.studio-side h3{font-size:14px;margin:0 0 10px}.studio-side label{display:block;color:#d5e1d9;font-size:12px;margin:8px 0 5px}.studio-side input[type=range],.studio-side input:not([type=checkbox]),.studio-side select,.studio-side textarea{width:100%}.file input{display:none}.file span{display:block;text-align:center;background:var(--green);color:#07130b;border-radius:8px;padding:10px;font-weight:800;cursor:pointer}.two{display:grid;grid-template-columns:1fr 1fr;gap:7px}.chips{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:7px}.chips button{background:#1d2b22;color:#d8e6dc;border:1px solid #324a3b;border-radius:8px;padding:8px}.hint,.apiState{font-size:11px;color:var(--muted)}.check{display:flex!important;gap:7px;align-items:center}.check input{accent-color:var(--green)}.studio-stage{padding:18px;min-width:0}.stageTop,.measureRow{display:flex;justify-content:space-between;align-items:center;gap:18px}.stageTop{margin-bottom:12px}.stageTop h2{margin:0}.stageTop p,.measureRow{color:var(--muted);font-size:12px}.stageTop>span{background:#14261a;border:1px solid #31523e;border-radius:999px;padding:7px 10px;color:#bde8cc}.canvasShell{border:1px solid var(--line);border-radius:12px;background:#142019;padding:12px;overflow:auto}.canvasShell canvas{width:100%;height:auto;display:block;background:#f4f6f4;border-radius:7px}.measureRow{margin-top:10px}
@media(max-width:900px){.navlinks>a:not(.linkbtn){display:none}.hero,.split{grid-template-columns:1fr}.hero{padding-top:40px}.cards.three,.stats,.metric-grid,.project-grid{grid-template-columns:1fr}.stats div{border-right:0;border-bottom:1px solid var(--line)}.studio-layout{grid-template-columns:1fr}.studio-side{border-right:0;border-bottom:1px solid var(--line)}footer{align-items:flex-start;gap:20px;flex-direction:column}.hero-card{transform:none}}
/* Four Ds elegant industrial visual upgrade */
body{
  background:
    linear-gradient(rgba(4,9,6,.86),rgba(7,13,9,.92)),
    url("assets/four-ds-engraving-hero.png") center top / cover fixed no-repeat;
}
.hero{
  position:relative;
}
.hero::before{
  content:"";
  position:absolute;
  inset:18px 0;
  border-radius:28px;
  background:linear-gradient(100deg,rgba(5,10,7,.93),rgba(8,14,10,.72) 52%,rgba(8,14,10,.30));
  border:1px solid rgba(86,230,130,.18);
  box-shadow:0 30px 90px rgba(0,0,0,.48);
  z-index:-1;
}
.hero-image-card{
  padding:8px;
  overflow:hidden;
  transform:none;
  background:linear-gradient(145deg,#111913,#070b08);
  border-color:#3c704c;
}
.hero-image-card img{
  display:block;
  width:100%;
  height:auto;
  border-radius:16px;
  box-shadow:0 20px 50px rgba(0,0,0,.45);
}
.hero-image-label{
  text-align:center;
  padding:11px 8px 6px;
  color:#91efa9;
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.section,.stats,.cta,footer{
  backdrop-filter:blur(5px);
}
.cards article,.feature-list>div,.metric-grid article,.subscription-card{
  background:rgba(13,22,16,.93);
}

/* Studio v5 polished black/green interface */
.studio-pro{
  background:
    linear-gradient(rgba(4,8,5,.92),rgba(4,8,5,.96)),
    url("assets/four-ds-engraving-hero.png") center/cover fixed no-repeat;
}
.studio-nav{display:flex;gap:20px;align-items:center}
.studio-nav a{font-size:13px;color:#c7d3cb}
.studio-nav a.active{color:var(--green);border-bottom:2px solid var(--green);padding-bottom:7px}
.studio-shell{max-width:1500px;margin:auto;padding:14px 18px 30px}
.studio-toolbar{
  display:flex;gap:4px;background:#0d130f;border:1px solid #294333;border-radius:14px 14px 0 0;
  padding:8px 10px;margin-top:8px
}
.tooltab{background:#121a15;border:1px solid #273c30;color:#d7e2db;border-radius:8px;padding:9px 16px;font-weight:700}
.tooltab.active{background:#17351f;color:#87f1aa;border-color:#3c7a50}
.studio-main{
  display:grid;grid-template-columns:150px minmax(0,1fr) 300px;gap:10px;
  background:rgba(7,11,8,.92);border:1px solid #294333;border-top:0;border-radius:0 0 16px 16px;padding:10px
}
.left-tools,.right-panel,.workspace-panel{background:rgba(12,18,14,.96);border:1px solid #2a3f32;border-radius:12px}
.left-tools{padding:10px;display:flex;flex-direction:column;gap:7px}
.side-action,.side-action span{
  width:100%;background:#111914;border:1px solid #314a3a;color:#e6efe8;border-radius:8px;padding:10px 8px;
  font-weight:750;cursor:pointer;text-align:left
}
.side-action:hover,.side-action.ai{border-color:#47da7f;color:#80efaa;background:#12251a}
.workspace-panel{padding:10px;min-width:0}
.workspace-topbar{display:flex;justify-content:space-between;align-items:center;padding:3px 2px 9px}
.workspace-title{font-weight:850}
.workspace-topbar #status{font-size:12px;color:#bde8cc;background:#14261a;border:1px solid #31523e;border-radius:999px;padding:6px 9px}
.premium-canvas{background:linear-gradient(180deg,#100c08,#1c1008)!important;border-color:#3c4e41!important}
.workspace-bottom{display:flex;align-items:center;gap:10px;margin-top:9px}
.zoom-pill,.measure-bar,.grid-toggle{background:#101813;border:1px solid #2c4133;border-radius:8px;padding:7px 10px;color:#c7d3cb;font-size:12px}
.measure-bar{flex:1;text-align:center;color:#73e99d}
.grid-toggle{display:flex;align-items:center;gap:6px}
.right-panel{padding:10px;display:flex;flex-direction:column;gap:9px}
.panel-card{background:#0d140f;border:1px solid #2d4436;border-radius:10px;padding:10px}
.panel-title{display:flex;justify-content:space-between;color:#e3ece6;font-size:12px;font-weight:850;text-transform:uppercase;margin-bottom:8px}
.layer{padding:8px;border:1px solid #253b2e;border-radius:7px;background:#111914;margin-top:5px;font-size:12px;display:flex;justify-content:space-between}
.layer.active{background:#14371f;border-color:#37b868}.layer small{color:#8ea296}
.right-panel input:not([type=checkbox]),.right-panel textarea,.right-panel select{width:100%}
.material-strip{
  display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin-top:10px
}
.material-card{
  background:rgba(10,15,11,.96);border:1px solid #2c4435;border-radius:10px;padding:16px 10px;text-align:center;
  min-height:88px;display:flex;flex-direction:column;justify-content:center
}
.material-card b{color:#eef4ef;text-transform:uppercase;font-size:12px}
.material-card span{font-size:10px;color:#9dafA4;margin-top:5px}
.material-card:hover{border-color:#4bdc82;box-shadow:0 0 22px rgba(66,220,130,.12)}
@media(max-width:1100px){
 .studio-main{grid-template-columns:120px 1fr}.right-panel{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,1fr)}
 .material-strip{grid-template-columns:repeat(4,1fr)}.studio-nav{display:none}
}
@media(max-width:720px){
 .studio-main{grid-template-columns:1fr}.left-tools{display:grid;grid-template-columns:repeat(2,1fr)}
 .right-panel{grid-template-columns:1fr}.material-strip{grid-template-columns:repeat(2,1fr)}
 .header-actions .credit-badge{display:none}
}

.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1050px){.pricing-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.pricing-grid{grid-template-columns:1fr}}

.billing-toggle{width:max-content;margin:0 auto 28px;background:#101813;border:1px solid #31503c;border-radius:12px;padding:5px;display:flex;gap:5px}
.billing{border:0;background:transparent;color:#b9c9bf;border-radius:8px;padding:10px 15px;font-weight:800;cursor:pointer}
.billing.active{background:#1c3b27;color:#83efa9}
.billing span{font-size:10px;background:#42dc82;color:#07130b;border-radius:999px;padding:3px 6px;margin-left:5px}

.credit-packs{padding-top:40px}
.credit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:900px;margin:auto}
.credit-grid .featured{box-shadow:0 18px 50px rgba(0,0,0,.28)}
@media(max-width:800px){.credit-grid{grid-template-columns:1fr}}

.tooltab{cursor:pointer}.tooltab:hover{border-color:#42dc82;color:#8df2ad}
#clearTrace{color:#ffb8b8;border-color:#744}#clearTrace:hover{border-color:#d66;color:#ffd0d0}