/* ==========================================================
   3dsemulator.org — main stylesheet
   Light theme · Poppins · 1140px layout width
   ========================================================== */

@font-face{font-family:"Poppins";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/poppins-regular.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/poppins-medium.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/poppins-semibold.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/poppins-bold.woff2") format("woff2")}

:root{
  --teal:#0b6e73;--teal-d:#064a4f;--teal-l:#e3f4f4;--cyan:#3fd6d9;
  --red:#e8402f;--red-d:#c22c1d;--red-l:#fdecea;
  --ink:#12262a;--text:#3c5155;--muted:#5d7276;
  --bg:#f5f9f9;--white:#fff;--line:#d9e6e7;
  --radius:14px;--shadow:0 10px 30px rgba(10,60,64,.08);--shadow-h:0 18px 40px rgba(10,60,64,.14);
  --w:1140px;--header:74px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Poppins",Arial,sans-serif;font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);overflow-x:hidden}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--red)}
h1,h2,h3,h4{font-family:"Poppins",Arial,sans-serif;color:var(--ink);line-height:1.25;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(2rem,4.2vw,3.1rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.25rem);letter-spacing:-.015em}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.skip:focus{left:12px;color:#fff}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 20px}
@media (min-width:1180px){.container{padding:0}}
.section{padding:88px 0;scroll-margin-top:var(--header)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-head p{font-size:1.05rem;color:var(--muted);margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--teal),var(--cyan))}
.ico{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:1rem;line-height:1.2;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s;text-align:center}
.btn .ico{width:20px;height:20px}
.btn-red{background:var(--red);color:#fff;box-shadow:0 10px 24px rgba(232,64,47,.28)}
.btn-red:hover{background:var(--red-d);color:#fff;transform:translateY(-2px)}
.btn-line{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-line:hover{background:var(--teal);color:#fff}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-d);color:#fff}

/* ---------------- header ---------------- */
#site-header{position:sticky;top:0;z-index:100;background:rgba(245,249,249,.92);backdrop-filter:saturate(160%) blur(10px);-webkit-backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s}
#site-header.scrolled{box-shadow:0 6px 24px rgba(10,60,64,.08);border-color:var(--line)}
.hdr{height:var(--header);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:1.12rem;flex:0 0 auto}
.brand img{width:40px;height:40px;border-radius:10px}
.brand span b{color:var(--red)}
.nav{flex:1;display:flex;justify-content:center}
.nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:8px 14px;border-radius:999px;color:var(--ink);font-weight:500;font-size:.95rem}
.nav a:hover,.nav a.active{background:var(--teal-l);color:var(--teal)}
.hdr-cta{flex:0 0 auto;padding:11px 20px;font-size:.92rem}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
.menu-btn .ico{width:22px;height:22px}
.menu-btn .i-close{display:none}
.menu-open .menu-btn .i-open{display:none}
.menu-open .menu-btn .i-close{display:block}
@media (max-width:960px){
  .menu-btn{display:inline-flex;margin-left:auto}
  .hdr-cta{display:none}
  .nav{position:fixed;left:0;right:0;top:var(--header);background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 30px rgba(10,60,64,.1);padding:14px 20px 22px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;max-height:calc(100vh - var(--header));overflow:auto}
  .menu-open .nav{opacity:1;visibility:visible;transform:none}
  .nav ul{flex-direction:column;gap:4px}
  .nav a{padding:12px 14px;border-radius:10px}
  .nav .m-cta{display:flex!important;margin-top:10px}
}
.nav .m-cta{display:none}

/* ---------------- hero ---------------- */
.hero{padding:46px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:44px;align-items:center}
.hero-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 6px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.85rem;font-weight:500;color:var(--ink);margin-bottom:18px}
.hero-chip span{white-space:nowrap;background:var(--teal);color:#fff;border-radius:999px;padding:2px 10px;font-size:.75rem;font-weight:600}
.hero h1{margin-bottom:.35em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--teal),var(--red));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.08rem;color:var(--text);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:.88rem;font-weight:500;color:var(--ink)}
.hero-trust .ico{width:20px;height:20px;color:var(--teal)}
.hero-note{font-size:.8rem;color:var(--muted);margin:14px 0 0}
.hero-media img{border-radius:22px;width:100%}

/* ---------------- about ---------------- */
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:20px}
.about-badge{position:absolute;right:-14px;bottom:-18px;background:#fff;border-radius:16px;padding:14px 18px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center;max-width:250px}
.about-badge .ico{color:var(--red);flex:0 0 auto;width:30px;height:30px}
.about-badge strong{display:block;color:var(--ink);font-size:.95rem;line-height:1.3}
.about-badge small{color:var(--muted);font-size:.8rem}
.about-copy h3{margin-top:4px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);margin:26px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts div{padding:16px 12px}
.facts div+div{border-left:1px solid var(--line)}
.facts dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
.facts dd{margin:2px 0 0;color:var(--ink);font-weight:600;font-size:.98rem;line-height:1.4}

/* ---------------- features (icon list, hairline grid) ---------------- */
.feat-list{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.feat{display:flex;gap:18px;padding:26px 22px;border-bottom:1px solid var(--line);transition:background .25s,transform .25s;border-radius:0}
.feat:nth-child(odd){border-right:1px solid var(--line)}
.feat:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow)}
.feat-ic{flex:0 0 52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--teal-l);color:var(--teal);transition:transform .25s}
.feat:nth-child(4n+2) .feat-ic,.feat:nth-child(4n+3) .feat-ic{background:var(--red-l);color:var(--red)}
.feat:hover .feat-ic{transform:rotate(-6deg)}
.feat h3{margin-bottom:.3em}
.feat p{margin:0;font-size:.95rem}

/* ---------------- how it works (track) ---------------- */
.track{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative}
.track::before{content:"";position:absolute;top:38px;left:12%;right:12%;height:3px;background:repeating-linear-gradient(90deg,var(--cyan) 0 12px,transparent 12px 22px);z-index:0}
.track li{text-align:center;position:relative;z-index:1}
.node{width:78px;height:78px;margin:0 auto 18px;border-radius:50%;background:#fff;border:3px solid var(--teal);display:grid;place-items:center;color:var(--teal);box-shadow:0 0 0 8px var(--bg);transition:transform .25s,background .25s,color .25s}
.track li:hover .node{transform:scale(1.06);background:var(--teal);color:#fff}
.node .ico{width:32px;height:32px}
.track h3{font-size:1.05rem}
.track p{font-size:.93rem;margin:0}

/* ---------------- compatibility (table) ---------------- */
.compat{width:100%;border-collapse:separate;border-spacing:0 10px}
.compat th{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:0 20px 4px;font-weight:600}
.compat td{background:#fff;padding:18px 20px;vertical-align:top;font-size:.94rem;transition:background .2s}
.compat td:first-child{border-radius:14px 0 0 14px;font-weight:600;color:var(--ink);white-space:nowrap}
.compat td:last-child{border-radius:0 14px 14px 0}
.compat tr:hover td{background:var(--teal-l)}
.plat{display:flex;align-items:center;gap:12px}
.plat .ico{color:var(--teal);width:28px;height:28px}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--teal-l);color:var(--teal);margin:2px 4px 2px 0}
.tag.r{background:var(--red-l);color:var(--red-d)}
.compat-note{text-align:center;font-size:.88rem;color:var(--muted);margin-top:14px}
@media (max-width:760px){
  .compat thead{display:none}
  .compat,.compat tbody,.compat tr,.compat td{display:block;width:100%}
  .compat tr{background:#fff;border-radius:14px;margin-bottom:12px;padding:6px 0}
  .compat td,.compat td:first-child,.compat td:last-child{border-radius:0;padding:8px 18px;background:transparent}
  .compat td[data-l]::before{content:attr(data-l);display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
}

/* ---------------- use cases (tabs) ---------------- */
.uc{display:grid;grid-template-columns:330px 1fr;gap:28px;align-items:stretch}
.uc-tabs{display:flex;flex-direction:column;gap:8px}
.uc-tab{display:flex;align-items:center;gap:14px;text-align:left;padding:16px 18px;border-radius:14px;border:1px solid var(--line);background:transparent;color:var(--ink);font-weight:600;font-size:.98rem;cursor:pointer;transition:background .2s,border-color .2s,transform .2s,color .2s}
.uc-tab:hover{transform:translateX(4px);border-color:var(--teal)}
.uc-tab[aria-selected="true"]{background:var(--teal);color:#fff;border-color:var(--teal)}
.uc-tab .ico{width:24px;height:24px;flex:0 0 auto}
.uc-panel{background:#fff;border-radius:20px;padding:36px 38px;border-left:5px solid var(--red);box-shadow:var(--shadow)}
.uc-panel[hidden]{display:none}
.uc-panel .big{width:58px;height:58px;color:var(--red);margin-bottom:12px}
.uc-panel ul{margin:12px 0 0;padding-left:20px}
.uc-panel li{margin-bottom:6px}

/* ---------------- benefits (columns with rules) ---------------- */
.ben{display:grid;grid-template-columns:repeat(3,1fr)}
.ben-item{padding:10px 30px 18px;text-align:center;transition:transform .25s}
.ben-item+.ben-item{border-left:1px dashed var(--line)}
.ben-item:hover{transform:translateY(-4px)}
.ben-ic{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--teal),var(--cyan));color:#fff;box-shadow:0 10px 20px rgba(11,110,115,.22);transition:box-shadow .25s}
.ben-item:hover .ben-ic{box-shadow:0 14px 28px rgba(11,110,115,.32)}
.ben-ic .ico{width:30px;height:30px}
.ben-item p{font-size:.95rem;margin:0}
.ben-row2{margin-top:34px;border-top:1px dashed var(--line);padding-top:34px}

/* ---------------- installation (platform columns) ---------------- */
.inst{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.inst-col{padding:28px 24px;transition:background .25s}
.inst-col+.inst-col{border-left:1px solid var(--line)}
.inst-col:hover{background:#fbfdfd}
.inst-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.inst-top .ico{width:30px;height:30px;color:var(--red)}
.inst-top h3{margin:0}
.steps{list-style:none;margin:0;padding:0}
.steps li{position:relative;padding:0 0 14px 26px;font-size:.92rem;line-height:1.6}
.steps li::before{content:"";position:absolute;left:4px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--teal)}
.steps li::after{content:"";position:absolute;left:8px;top:20px;bottom:2px;width:1px;background:var(--line)}
.steps li:last-child::after{display:none}

/* ---------------- download ---------------- */
.dl{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding:44px;border-radius:28px;background:linear-gradient(135deg,#ffffff 0%,#e9f7f7 55%,#fdeeec 100%);border:1px solid var(--line);position:relative;overflow:hidden}
.dl::after{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:40px;border:18px solid rgba(63,214,217,.18);transform:rotate(18deg)}
.dl-title{display:flex;align-items:center;gap:12px;font-size:1.35rem;margin-bottom:16px}
.dl-title .ico{width:36px;height:36px;color:var(--red)}
.dl-points{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:10px}
.dl-points li{display:flex;gap:10px;align-items:flex-start;font-size:.94rem}
.dl-points .ico{width:20px;height:20px;color:var(--teal);flex:0 0 auto;margin-top:4px}
.dl-media img{border-radius:20px;position:relative;z-index:1}
.dl-small{font-size:.83rem;color:var(--muted);margin:14px 0 0}

/* ---------------- safety (shield + checklist) ---------------- */
.safe{display:grid;grid-template-columns:300px 1fr;gap:50px;align-items:center}
.shield{width:100%;max-width:280px;margin:0 auto}
.safe-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 34px;list-style:none;margin:0;padding:0}
.safe-list li{display:flex;gap:14px}
.safe-list .ico{flex:0 0 auto;width:28px;height:28px;color:var(--teal);margin-top:3px}
.safe-list h3{font-size:1rem;margin-bottom:.25em}
.safe-list p{margin:0;font-size:.93rem}

/* ---------------- pros / cons ---------------- */
.pc{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.pc-col{background:#fff;border-radius:18px;padding:30px 32px;border-top:5px solid var(--teal);transition:transform .25s,box-shadow .25s}
.pc-col.cons{border-top-color:var(--red)}
.pc-col:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.pc-col h3{display:flex;align-items:center;gap:10px;font-size:1.3rem}
.pc-col ul{list-style:none;padding:0;margin:0}
.pc-col li{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.pc-col li:last-child{border-bottom:0}
.pc-col li .ico{width:22px;height:22px;flex:0 0 auto;margin-top:3px}
.pros .ico{color:var(--teal)}
.cons .ico{color:var(--red)}

/* ---------------- release (vertical timeline) ---------------- */
.tl{position:relative;max-width:820px;margin:0 auto;list-style:none;padding:0}
.tl::before{content:"";position:absolute;left:165px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--teal),var(--red))}
.tl li{display:grid;grid-template-columns:140px 1fr;gap:56px;padding-bottom:30px;position:relative}
.tl li::before{content:"";position:absolute;left:159px;top:8px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--teal)}
.tl time{font-weight:700;color:var(--teal);text-align:right;font-size:.95rem;padding-top:2px}
.tl h3{font-size:1.05rem;margin-bottom:.25em}
.tl p{margin:0;font-size:.94rem}
.tl-note{text-align:center;font-size:.88rem;color:var(--muted);max-width:760px;margin:10px auto 0}

/* ---------------- troubleshooting (issue → fix rows) ---------------- */
.ts{display:grid;gap:14px}
.ts-row{display:grid;grid-template-columns:300px 40px 1fr;align-items:center;gap:12px;padding:18px 22px;border-radius:16px;border:1px dashed #c6d9db;transition:border-color .2s,background .2s}
.ts-row:hover{border-style:solid;border-color:var(--teal);background:#fff}
.ts-issue{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--ink)}
.ts-issue .ico{width:28px;height:28px;color:var(--red);flex:0 0 auto}
.ts-arrow{color:var(--teal)}
.ts-row p{margin:0;font-size:.94rem}

/* ---------------- guides preview ---------------- */
.gp{display:grid;grid-template-columns:1.25fr 1fr;gap:26px}
.gp-side{display:grid;gap:26px}
.gcard{display:block;background:#fff;border-radius:18px;overflow:hidden;color:var(--text);transition:transform .25s,box-shadow .25s;box-shadow:0 4px 14px rgba(10,60,64,.05)}
.gcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-h);color:var(--text)}
.gcard img{width:100%;aspect-ratio:16/9;object-fit:cover}
.gcard-body{padding:20px 22px 22px}
.gcard h3{font-size:1.08rem;margin-bottom:.35em;transition:color .2s}
.gcard:hover h3{color:var(--teal)}
.gcard p{font-size:.92rem;margin:0}
.gcard.h{display:grid;grid-template-columns:44% 1fr}
.gcard.h img{height:100%;aspect-ratio:auto}
.gcard.h .gcard-body{padding:16px 18px}
.gcard.h h3{font-size:.98rem}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.9rem;color:var(--red);margin-top:10px}
.more .ico{width:18px;height:18px}
.center{text-align:center;margin-top:34px}

/* ---------------- FAQ ---------------- */
.faq-switch{display:flex;justify-content:center;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.faq-cat{padding:11px 22px;border-radius:999px;border:2px solid var(--teal);background:transparent;color:var(--teal);font-weight:600;cursor:pointer;font-size:.95rem}
.faq-cat[aria-selected="true"]{background:var(--teal);color:#fff}
.faq-group{max-width:860px;margin:0 auto}
.faq-group[hidden]{display:none}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;background:none;border:0;padding:20px 4px;text-align:left;font-size:1.02rem;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q:hover{color:var(--teal)}
.faq-q .pm{flex:0 0 32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--teal-l);color:var(--teal);transition:transform .25s,background .25s,color .25s}
.faq-q .pm .ico{width:18px;height:18px}
.faq-q .v{transition:opacity .2s}
.faq-q[aria-expanded="true"] .pm{background:var(--red);color:#fff}
.faq-q[aria-expanded="true"] .v{opacity:0}
.faq-a{overflow:hidden;max-height:0;transition:max-height .3s ease}
.faq-a p{padding:0 4px 20px;margin:0}

/* ---------------- footer ---------------- */
#site-footer{border-top:1px solid var(--line);padding:64px 0 26px;background:var(--bg)}
.ft{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.ft p{font-size:.93rem;max-width:420px}
.ft h4{font-size:1rem;margin-bottom:14px}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin-bottom:8px}
.ft a{color:var(--text);text-decoration:none;font-size:.93rem}
.ft a:hover{color:var(--red)}
.ft-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.86rem;color:var(--muted)}
.ft-bottom a{color:var(--teal);font-weight:600;text-decoration:none}

/* scroll to top */
.to-top{position:fixed;right:20px;bottom:20px;width:48px;height:48px;border-radius:50%;border:0;background:var(--red);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 24px rgba(232,64,47,.3);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s;z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top .ico{width:22px;height:22px}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ---------------- inner pages ---------------- */
.page-hero{padding:46px 0 34px;text-align:center}
.page-hero p{max-width:720px;margin:0 auto;color:var(--muted)}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:#9fb3b6}
.crumbs a{color:var(--muted)}
.page-hero .crumbs ol{justify-content:center}
.prose{max-width:820px;margin:0 auto;padding-bottom:80px}
.prose h2{font-size:1.5rem;margin-top:1.6em}
.prose ul{padding-left:22px}
.prose li{margin-bottom:6px}
.mail{display:inline-block;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line);padding:12px 20px;border-radius:12px;font-size:1.05rem}

/* blog listing */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding-bottom:90px}

/* article */
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;padding:30px 0 70px}
.art-head h1{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.art-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:.86rem;color:var(--muted);margin-bottom:22px}
.art-meta span{display:flex;align-items:center;gap:6px}
.art-meta .ico{width:16px;height:16px}
.art-img{border-radius:18px;margin-bottom:28px;width:100%}
.article{font-size:1.02rem}
.article p{max-width:100%}
.article h2{font-size:1.55rem;margin:1.7em 0 .55em;scroll-margin-top:calc(var(--header) + 12px)}
.article h3{font-size:1.16rem;margin:1.3em 0 .45em}
.article ul{padding-left:0;list-style:none;margin:0 0 1.2em}
.article ul li{position:relative;padding-left:26px;margin-bottom:8px}
.article ul li::before{content:"";position:absolute;left:4px;top:.62em;width:9px;height:9px;border-radius:3px;background:var(--teal);transform:rotate(45deg)}
.tbl{overflow-x:auto;margin:0 0 1.4em;border-radius:14px;border:1px solid var(--line);background:#fff}
.tbl table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:520px}
.tbl th{background:var(--teal);color:#fff;text-align:left;padding:12px 16px;font-weight:600}
.tbl td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top}
.tbl tr:nth-child(even) td{background:#f8fbfb}
.art-faq{margin-top:10px}
.art-faq h3{margin-top:1.1em}
.sidebar{position:sticky;top:calc(var(--header) + 18px);max-height:calc(100vh - var(--header) - 36px);overflow-y:auto;overscroll-behavior:contain;display:grid;gap:20px;padding-right:4px;scrollbar-width:thin;scrollbar-color:#b9d0d2 transparent}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:#b9d0d2;border-radius:6px}
.sb-box{background:#fff;border-radius:16px;padding:20px 20px 16px;border:1px solid var(--line)}
.sb-box h2,.sb-box h3{font-size:1rem;margin-bottom:10px}
.toc{list-style:none;margin:0;padding:0}
.toc a{display:block;padding:6px 0 6px 12px;border-left:2px solid var(--line);color:var(--text);font-size:.88rem;line-height:1.45}
.toc a:hover,.toc a.on{border-color:var(--red);color:var(--red)}
.sb-links{list-style:none;padding:0;margin:0}
.sb-links li+li{border-top:1px solid var(--line)}
.sb-links a{display:flex;gap:10px;align-items:center;padding:10px 0;font-size:.88rem;color:var(--ink);line-height:1.4}
.sb-links img{width:64px;height:40px;border-radius:8px;object-fit:cover;flex:0 0 auto}
.sb-cta{background:linear-gradient(135deg,var(--teal),#0f8a8f);color:#e9fbfb;border:0}
.sb-cta h3{color:#fff}
.sb-cta p{font-size:.88rem}
.sb-cta .btn{width:100%;padding:12px}
.related{padding:10px 0 80px}
.related h2{text-align:center}

/* ---------------- responsive ---------------- */
@media (max-width:1024px){
  .hero-grid,.about-grid{gap:32px}
  .inst{grid-template-columns:repeat(2,1fr)}
  .inst-col:nth-child(3){border-left:0}
  .inst-col:nth-child(n+3){border-top:1px solid var(--line)}
  .art-wrap{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;max-height:none;overflow:visible}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .ts-row{grid-template-columns:240px 32px 1fr}
}
@media (max-width:860px){
  .section{padding:66px 0}
  .hero-grid,.about-grid,.dl,.safe,.uc,.gp{grid-template-columns:1fr}
  .hero{padding-top:28px}
  .hero-media{max-width:560px;margin:0 auto}
  .about-badge{right:10px}
  .track{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .track::before{display:none}
  .ben{grid-template-columns:1fr}
  .ben-item+.ben-item{border-left:0;border-top:1px dashed var(--line);padding-top:26px}
  .ben-row2{margin-top:0;padding-top:26px}
  .pc{grid-template-columns:1fr}
  .feat-list{grid-template-columns:1fr}
  .feat:nth-child(odd){border-right:0}
  .ft{grid-template-columns:1fr 1fr}
  .ft>div:first-child{grid-column:1/-1}
  .dl{padding:28px}
  .ts-row{grid-template-columns:1fr;gap:8px}
  .ts-arrow{display:none}
  .uc-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .uc-tab{flex:0 0 auto}
  .uc-tab:hover{transform:none}
}
@media (max-width:600px){
  body{font-size:15px}
  .hero-chip{display:none}
  .hero-actions{margin:20px 0 18px}
  .hero-actions .btn{width:100%}
  .facts{grid-template-columns:1fr}
  .facts div+div{border-left:0;border-top:1px solid var(--line)}
  .track{grid-template-columns:1fr}
  .inst{grid-template-columns:1fr}
  .inst-col+.inst-col{border-left:0;border-top:1px solid var(--line)}
  .safe-list{grid-template-columns:1fr}
  .tl::before{left:7px}
  .tl li{grid-template-columns:1fr;gap:4px;padding-left:34px}
  .tl li::before{left:1px}
  .tl time{text-align:left}
  .blog-grid{grid-template-columns:1fr}
  .gcard.h{grid-template-columns:1fr}
  .ft{grid-template-columns:1fr}
  .uc-panel{padding:26px 22px}
  .pc-col{padding:24px 20px}
  .dl{padding:22px}
  .about-badge{position:static;margin-top:14px;max-width:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* 1140px content width across the full website */
:root{--w:1140px}
.container{width:100%;max-width:1140px;margin-inline:auto;padding-inline:20px}
@media(min-width:1180px){.container{padding-inline:0}}
.hero-media img{object-fit:contain;background:#fff;border-radius:16px;box-shadow:0 18px 44px rgba(10,60,64,.12)}
.platform-downloads{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.download-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.download-card h3{font-size:1.5rem;color:var(--ink);margin:10px 0 8px}
.download-card p{margin:0 0 22px;flex:1}
.download-card .btn{align-self:flex-start}
.download-card small{display:block;margin-top:12px;color:var(--muted)}
.os-label{color:var(--teal);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}
.download-fineprint{max-width:900px;margin:24px auto 0;text-align:center;font-size:.9rem}
#download-status{display:block;color:var(--teal);font-weight:600;margin-top:8px}
@media(max-width:680px){.platform-downloads{grid-template-columns:1fr}.download-card{padding:24px}}

/* Consistent responsive 1140px content grid across every page */
:root{--w:1140px}
.container{width:100%;max-width:1140px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media(min-width:1180px){.container{padding-left:0;padding-right:0}}
.section>.container,.page-hero>.container,#site-footer>.container,#site-header>.container{max-width:1140px}
.ft{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px);align-items:start}
.ft-brand p{margin-top:18px;max-width:400px;line-height:1.8}
.ft ul{display:grid;gap:5px}.ft li{margin:0}.ft li a{display:inline-block;padding:2px 0}
.ft-bottom{align-items:center}
.gcard img,.art-img,.hero-media img,.about-media img{object-fit:cover;object-position:center}
.gcard img{aspect-ratio:16/9}
@media(max-width:960px){.nav{justify-content:flex-start}.nav ul{width:100%}.hdr{gap:12px}}
@media(min-width:961px) and (max-width:1100px){.nav a{padding:8px 9px;font-size:.87rem}.hdr{gap:10px}.hdr-cta{padding:11px 14px}}
@media(max-width:680px){.ft{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.ft-brand{grid-column:1/-1}.ft-bottom{display:block}.ft-bottom span{display:block;margin-bottom:10px}}
@media(max-width:380px){.ft{grid-template-columns:1fr}}

/* Final layout polish — common 1140px grid, responsive cards and footer */
:root{--w:1140px}
.container{width:100%;max-width:1140px;margin-inline:auto;padding-inline:20px;min-width:0}
@media(min-width:1180px){.container{padding-inline:0}}
main>section{width:100%;max-width:none}
main>section>.container,#site-header>.container,#site-footer>.container{width:100%;max-width:1140px;margin-inline:auto}
.blog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
.gcard{min-width:0;display:flex;flex-direction:column}
.gcard img{aspect-ratio:16/9;width:100%;height:auto;object-fit:cover}
.gcard-body{min-width:0;flex:1;display:flex;flex-direction:column;padding:18px 19px 20px}
.gcard h2,.gcard h3{font-size:clamp(1rem,1.35vw,1.13rem);font-weight:700;line-height:1.38;letter-spacing:-.015em;overflow-wrap:break-word;hyphens:auto;margin:0 0 10px}
.gcard p{font-size:.86rem;line-height:1.65;margin:0 0 14px}
.gcard .more{margin-top:auto;font-size:.86rem}
.gcard.h{display:grid;grid-template-columns:42% minmax(0,1fr)}
.gcard.h .gcard-body{padding:14px}
.gcard.h h3{font-size:.96rem}
.ft{grid-template-columns:minmax(0,1.6fr) minmax(0,.85fr) minmax(0,.9fr);gap:clamp(24px,5vw,70px)}
.ft-brand p{font-size:.91rem;line-height:1.85;max-width:420px;margin:17px 0 0}
.ft-bottom{margin-top:36px;padding-top:20px;display:block;text-align:center}
.ft-bottom p{margin:0;font-size:.85rem;line-height:1.75}
.ft-bottom .disclaimer{display:inline}
.art-head h1{font-size:clamp(1.65rem,2.7vw,2.25rem);line-height:1.28;overflow-wrap:anywhere}
@media(max-width:1024px){.blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.blog-grid{grid-template-columns:1fr}.ft{grid-template-columns:repeat(2,minmax(0,1fr))}.ft-brand{grid-column:1/-1}.ft-bottom p{text-align:center}}
@media(max-width:380px){.ft{grid-template-columns:1fr}}


/* 2026 refresh: centered hero, editorial setup steps and aligned footer */
.hero-modern{padding:66px 0 82px;background:radial-gradient(ellipse at 50% 5%,#eaf9fa 0%,#f5f9f9 58%,#fff 100%)}
.hero-center{max-width:850px;margin:0 auto;text-align:center}
.hero-modern .hero-chip{justify-content:center;margin:0 auto 20px;background:#fff;border-color:#d7e7e8;padding:9px 18px;color:var(--teal);font-size:.82rem}
.hero-modern h1{font-size:clamp(2.2rem,4.2vw,3.65rem);line-height:1.14;letter-spacing:-.035em;max-width:820px;margin:0 auto 18px}
.hero-modern .hero-lead{max-width:740px;margin:0 auto;color:var(--text);font-size:clamp(1rem,1.65vw,1.13rem);line-height:1.8}
.hero-modern .hero-actions{justify-content:center;margin:28px 0 12px}
.hero-modern .hero-download-note{font-size:.83rem;color:var(--muted);margin:0 auto 36px}
.hero-modern .hero-download-note a{font-weight:600}
.hero-showcase{position:relative;margin:0 auto;max-width:1050px;border:1px solid #d8e8e9;padding:12px;border-radius:27px;background:#fff;box-shadow:0 24px 60px rgba(9,66,70,.10)}
.hero-showcase>img{width:100%;height:clamp(230px,35vw,390px);object-fit:cover;object-position:center 48%;border-radius:17px;display:block}
.showcase-facts{display:flex;justify-content:center;gap:clamp(14px,5vw,64px);flex-wrap:wrap;padding:16px 12px 6px;font-size:.86rem;color:var(--text)}
.showcase-facts span{display:inline-flex;align-items:center;gap:7px}.showcase-facts b{font-size:1rem;color:var(--red)}
.how-modern{background:linear-gradient(135deg,#fff 0%,#eef8f8 100%)}
.how-shell{display:grid;grid-template-columns:minmax(0,.76fr) minmax(0,1.24fr);align-items:start;gap:58px}
.how-intro{position:sticky;top:110px;padding:18px 4px}
.how-intro h2{font-size:clamp(1.8rem,3vw,2.5rem);max-width:390px}
.how-intro p{font-size:1.02rem;max-width:390px}
.how-link{display:inline-flex;align-items:center;gap:12px;margin:16px 0 28px;color:var(--red);font-weight:700}
.how-link:hover{gap:18px}.how-info{max-width:360px;padding:17px 20px;background:#e0f1f2;border-left:3px solid var(--teal);border-radius:0 12px 12px 0;font-size:.87rem;color:#254d50}
.how-steps{list-style:none;counter-reset:steps;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin:0;padding:0}
.how-steps li{position:relative;min-height:208px;padding:28px 25px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 11px 24px rgba(22,75,78,.06);transition:transform .2s,box-shadow .2s}
.how-steps li:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(22,75,78,.1)}
.step-count{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;margin-bottom:19px;padding:0 8px;border-radius:13px;background:var(--red-l);color:var(--red);font-size:1rem;font-weight:700}
.how-steps h3{font-size:1.08rem;margin-bottom:8px}.how-steps p{font-size:.91rem;line-height:1.72;margin:0}
.ft-bottom{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:24px 50px;text-align:left}
.ft-bottom p{margin:0;font-size:.83rem;max-width:none;line-height:1.75}
.ft-bottom .disclaimer{text-align:right;justify-self:end}
.article-conclusion{margin-top:36px;padding:30px 32px;border:1px solid #cee5e7;border-left:5px solid var(--teal);border-radius:15px;background:#f0f9f9}
.article-conclusion h2{margin:0 0 14px;font-size:clamp(1.4rem,2.3vw,1.8rem)}
.article-conclusion p:last-child{margin-bottom:0}
@media(max-width:850px){.how-shell{grid-template-columns:1fr;gap:28px}.how-intro{position:static;padding:0}.how-intro h2,.how-intro p{max-width:720px}.how-info{max-width:600px}.hero-modern{padding-top:44px}.hero-modern .hero-chip{display:inline-flex}}
@media(max-width:620px){.hero-modern{padding:36px 0 58px}.hero-modern h1{font-size:clamp(1.95rem,8vw,2.5rem)}.hero-showcase{padding:7px;border-radius:18px}.hero-showcase>img{height:225px;border-radius:12px}.showcase-facts{gap:8px 18px;font-size:.75rem}.hero-modern .hero-actions .btn{width:100%}.how-steps{grid-template-columns:1fr}.how-steps li{min-height:0}.ft-bottom{grid-template-columns:1fr;gap:10px}.ft-bottom .disclaimer{text-align:left;justify-self:start}.article-conclusion{padding:22px 20px}}

/* Match the footer logo wordmark typography to the header logo wordmark. */
#site-footer .ft-brand a.brand{font-size:1.12rem;line-height:1.25;font-weight:700;letter-spacing:normal}
#site-footer .ft-brand a.brand span{font-size:inherit;font-weight:inherit}