:root{
  --navy:#0f263c; --blue:#1976d2; --blue2:#0d62b4; --sky:#eaf7ff;
  --ink:#183249; --muted:#617789; --line:#d8e8f3; --white:#fff;
  --green:#2e8b57; --red:#d32f2f; --shadow:0 14px 42px rgba(27,75,108,.10);
  --page:1040px; --nav:1210px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f8fcff;color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--blue2);text-decoration:none} a:hover{text-decoration:underline}
img{max-width:100%;height:auto} code{background:#f1f7fb;border:1px solid #dcecf5;border-radius:6px;padding:2px 6px}
.container{width:min(calc(100% - 34px),var(--page));margin-inline:auto}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{width:min(calc(100% - 34px),var(--nav));min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-inline:auto}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:900;white-space:nowrap;text-decoration:none;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:13px;background:#e5f4ff;display:grid;place-items:center;font-size:22px;border:1px solid #cbe6f6}.brand small{display:block;font-size:10px;line-height:1.15;color:#667b8c;letter-spacing:1px;margin-top:2px}
.links{display:flex;align-items:center;justify-content:flex-end;gap:9px;flex-wrap:nowrap;white-space:nowrap;min-width:0}.links>a{font-size:12px;font-weight:850;color:#3c566a;text-decoration:none}.back-main{padding:6px 9px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#3f6d22!important}.back-main:hover{text-decoration:none;border-color:#b8d99d;background:#f4fbef}
.lang{display:flex;gap:4px;flex:0 0 auto}.lang button{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 9px;font-size:12px;font-weight:900}.lang button.active{background:#e5f4ff;border-color:#a6d8f1;color:#075f90}
.hero{padding:56px 0;background:linear-gradient(180deg,#eaf7ff 0%,#fff 100%)}.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:center}.kicker{text-transform:uppercase;letter-spacing:1.35px;font-size:12px;font-weight:900;color:#116da8}.freeware{display:inline-flex;align-items:center;gap:8px;background:#e8f7ef;color:#237548;border:1px solid #bfe3ce;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900}
h1{margin:12px 0 16px;font-size:clamp(39px,5.7vw,64px);line-height:1.02;letter-spacing:-1.6px;color:var(--navy)}.lead{font-size:19px;color:var(--muted);margin:0}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:12px;font-weight:900;text-decoration:none}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue2);text-decoration:none}.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.secondary:hover{text-decoration:none;border-color:#acd5eb}.note{font-size:12px;color:#718596;margin-top:12px}
.hero-media,.screenshot{background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:var(--shadow)}.hero-media img,.screenshot img{display:block;width:100%;border-radius:15px}.caption{font-size:12px;color:var(--muted);padding:9px 4px 0}
.section{padding:56px 0}.section.alt,.alt{background:#eff8fe}.page-head{padding:52px 0 34px;background:linear-gradient(180deg,#eaf7ff 0%,#fff 100%)}.page-head .inner{max-width:850px}.head{max-width:780px;margin-bottom:28px}h2{font-size:34px;line-height:1.15;letter-spacing:-.7px;color:var(--navy);margin:0 0 9px}.section-lead{font-size:17px;color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px;box-shadow:0 8px 24px rgba(28,76,106,.05)}.icon{font-size:24px;width:45px;height:45px;border-radius:13px;background:#e8f6ff;display:grid;place-items:center;margin-bottom:11px}.card h3{font-size:19px;margin:0 0 7px}.card p{margin:0;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 8px 24px rgba(28,76,106,.05)}.panel h3{margin:0 0 8px;font-size:22px;color:var(--navy)}.panel p{margin:0;color:var(--muted)}.list{list-style:none;padding:0;margin:0;display:grid;gap:9px}.list li{background:#f7fcff;border:1px solid var(--line);padding:11px 13px;border-radius:12px}.price{font-size:44px;font-weight:900;color:var(--red);line-height:1.05}.muted{color:#6a7e8f;font-size:13px}.download{background:linear-gradient(135deg,#eef9ff,#fff);border:1px solid #cbe5f4;border-radius:20px;padding:23px}.download-row{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}.version{font-size:12px;font-weight:900;letter-spacing:.7px;color:#116da8}.download-name{font-size:21px;font-weight:900;color:var(--navy)}.warning{margin-top:15px;padding:14px 16px;border:1px solid #eed2a2;background:#fffaf0;border-radius:14px;color:#6b4b00}
.steps{display:grid;gap:13px}.step{display:grid;grid-template-columns:40px 1fr;gap:11px}.step-num{width:40px;height:40px;border-radius:50%;background:#e7f5ff;color:#0a6ea5;font-weight:900;display:grid;place-items:center}.step h4{margin:2px 0 3px;font-size:16px}.step p{margin:0;color:var(--muted)}
.footer{padding:34px 0 42px;background:#10263d;color:#dceaf2;margin-top:25px}.footer a{color:#dceaf2}.footer-grid{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.small{font-size:13px;color:#adc2d1}
@media(max-width:900px){.nav{flex-direction:column;align-items:flex-start;padding:10px 0}.links{justify-content:flex-start;flex-wrap:wrap}.hero-grid,.grid2{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.hero{padding-top:40px}.hero-media{order:-1}}

.screenshot-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:980px){.screenshot-grid{grid-template-columns:1fr 1fr}}


/* TWOSW FILE TOOLS additions */
.brand-mark.filetools-mark{padding:3px;overflow:hidden;background:#eef9ff}
.brand-mark.filetools-mark img{width:34px;height:34px;object-fit:contain;display:block;border-radius:9px}
.filetools-badge{display:inline-flex;align-items:center;gap:7px;background:#ecf9ef;color:#16733a;border:1px solid #bfe7c9;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900}
.dwg-highlight{border-left:5px solid #1688d3;background:linear-gradient(135deg,#eef9ff,#fff)}
.free-highlight{border-left:5px solid #28a04b;background:linear-gradient(135deg,#f0fbf3,#fff)}
.registered-highlight{border-left:5px solid #dca515;background:linear-gradient(135deg,#fff9e7,#fff)}
.feature-kicker{font-size:12px;text-transform:uppercase;letter-spacing:1px;font-weight:900;color:#1272ad;margin-bottom:4px}
.product-icon-large{width:118px;height:118px;object-fit:contain;border-radius:24px;box-shadow:0 10px 28px rgba(19,69,92,.14);border:1px solid #cde8f5;background:#fff}
.hero-logo-row{display:flex;align-items:center;gap:18px;margin-bottom:12px}
.hero-logo-row h1{margin:0}
.dwg-pill{display:inline-flex;background:#e7f4ff;border:1px solid #b8dcef;color:#0c669d;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:900}
.screenshot-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:980px){.screenshot-grid{grid-template-columns:1fr 1fr}.screenshot-grid .wide{grid-column:1 / -1}}
.screenshot img{object-fit:contain;background:#f4f7f9}
.mini-note{font-size:12px;color:#6b8090;margin-top:8px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:780px){.compare{grid-template-columns:1fr}.hero-logo-row{align-items:flex-start}.product-icon-large{width:88px;height:88px}}

/* V1.32 website refinement */
.sr-hero-row{align-items:flex-start}
.sr-hero-row .product-icon-large{width:96px;height:96px;flex:0 0 96px}
.sr-hero-title{font-size:clamp(39px,4.7vw,54px);line-height:1.05;letter-spacing:-1.35px}
.free-principle{margin-top:18px}
.screenshot img{cursor:zoom-in;transition:transform .16s ease,filter .16s ease}
.screenshot img:hover{filter:brightness(.98);transform:scale(1.005)}
.image-lightbox{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:54px 26px 26px;background:rgba(3,16,30,.90);backdrop-filter:blur(5px)}
.image-lightbox.open{display:flex}
.image-lightbox img{max-width:min(96vw,1600px);max-height:88vh;width:auto;height:auto;object-fit:contain;border-radius:10px;background:#fff;box-shadow:0 20px 70px rgba(0,0,0,.45)}
.image-lightbox-close{position:fixed;top:14px;right:20px;width:44px;height:44px;border:1px solid rgba(255,255,255,.55);border-radius:999px;background:rgba(10,28,45,.88);color:#fff;font:700 28px/1 Arial,sans-serif;cursor:pointer;display:grid;place-items:center}
.image-lightbox-close:hover{background:#d32f2f}
body.lightbox-open{overflow:hidden}
@media(max-width:780px){.sr-hero-row .product-icon-large{width:78px;height:78px;flex-basis:78px}.sr-hero-title{font-size:clamp(35px,10vw,48px)}}