/* HOW IT WORKS SECTION */

.how-wrap{position:relative;height:500vh}
.how-sticky{position:sticky;top:0;height:100vh;display:flex;overflow:hidden}
.how-left{width:34%;padding:60px 0 40px 0;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:10}
.how-title{font-size:clamp(28px,4.5vw,52px);font-weight:700;line-height:1.1;letter-spacing:-.04em;margin-bottom:clamp(32px,5vw,56px);color:var(--text-primary)}
.how-title span{color:var(--accent);font-weight:300;font-style:italic}
.steps{display:flex;flex-direction:column;position:relative}
.timeline-track{position:absolute;left:7px;top:8px;bottom:8px;width:1.5px;background:var(--text-muted)}
.timeline-fill{position:absolute;left:7px;top:8px;width:1.5px;background:linear-gradient(180deg,var(--accent),var(--accent-bg));height:0;transition:height .8s cubic-bezier(.22,1,.36,1);box-shadow:0 0 4px var(--accent)}
.step{display:flex;gap:clamp(14px,2vw,20px);padding:clamp(16px,2.5vw,24px) 0;cursor:default;position:relative}
.step-dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--text-muted);background:var(--bg);position:relative;z-index:2;flex-shrink:0;transition:all .7s cubic-bezier(.22,1,.36,1)}
.step-dot::after{content:'';position:absolute;inset:4px;border-radius:50%;transition:all .7s cubic-bezier(.22,1,.36,1)}
.step.active .step-dot{border-color:var(--text-dim);box-shadow:0 0 12px var(--text-dim)}
.step.active .step-dot::after{background:var(--text-dim)}
.step.past .step-dot{border-color:var(--text-dim)}
.step.past .step-dot::after{background:var(--text-dim)}
.step-text h3{font-size:clamp(12px,1.8vw,14px);font-weight:600;line-height:1.5;color:var(--text-muted);transition:all .7s cubic-bezier(.22,1,.36,1)}
.step.active .step-text h3{color:var(--text-primary)}
.step.past .step-text h3{color:var(--text-secondary)}
.step-text p{font-size:clamp(11px,1.6vw,12.5px);color:var(--text-muted);line-height:1.65;margin-top:6px;max-height:0;overflow:hidden;opacity:0;transition:all .8s cubic-bezier(.22,1,.36,1)}
.step.active .step-text p{max-height:100px;opacity:1;color:var(--text-secondary)}
.how-footer{position:absolute;bottom:44px;left:0;display:flex;gap:14px}
.how-footer a{display:inline-flex;align-items:center;gap:clamp(5px,0.8vw,7px);padding:clamp(7px,1.2vw,9px) clamp(12px,2vw,18px);border:1px solid var(--text-muted);border-radius:8px;color:var(--text-secondary);font-size:clamp(10px,1.5vw,11.5px);text-decoration:none;transition:all .3s;letter-spacing:.3px}
.how-footer a:hover{border-color:var(--accent-border);color:var(--accent)}
.how-right{width:66%;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:100px 0 60px 0}
.iso-grid{position:absolute;inset:0;pointer-events:none}
.iso-grid canvas{width:100%;height:100%}
.amb{position:absolute;border-radius:50%;filter:blur(110px);pointer-events:none;transition:all 2s cubic-bezier(.22,1,.36,1)}
.amb-1{width:320px;height:320px;background:var(--accent-bg);top:35%;right:25%;opacity:.08}
.amb-2{width:200px;height:200px;background:rgba(124,92,255,.08);bottom:5%;right:42%;opacity:.08}
.scene{width:600px;height:460px;perspective:1800px;position:relative;z-index:2}
.scene-inner{width:100%;height:100%;transform-style:preserve-3d;transform:rotateX(52deg) rotateZ(-42deg);position:relative}
.card-group{position:absolute;left:50%;top:50%;transform-style:preserve-3d;transition:all .9s cubic-bezier(.22,1,.36,1)}
.ghost{position:absolute;border-radius:16px;border:1px solid var(--text-muted);background:rgba(255,255,255,.001);pointer-events:none;transition:all .9s cubic-bezier(.22,1,.36,1);opacity:0}
.card-group.active .ghost{opacity:1}
.ghost-1{transform:translateZ(-18px);opacity:0}
.ghost-2{transform:translateZ(-36px);opacity:0}
.ghost-3{transform:translateZ(-54px);opacity:0}
.card-group.active .ghost-1{opacity:.12}
.card-group.active .ghost-2{opacity:.06}
.card-group.active .ghost-3{opacity:.03}
.card{position:relative;border-radius:16px;overflow:hidden;transition:all .9s cubic-bezier(.22,1,.36,1);z-index:4}
.card-bg{position:absolute;inset:0;background:rgba(10,12,18,.93);border:1px solid var(--text-muted);border-radius:16px;backdrop-filter:blur(20px);transition:all .9s cubic-bezier(.22,1,.36,1)}
.card-group.active .card-bg{border-color:var(--accent-border);box-shadow:0 0 50px var(--accent-bg),0 20px 60px rgba(0,0,0,.5),inset 0 1px 0 var(--text-muted)}
.card-group.active .card-bg::after{content:'';position:absolute;inset:0;border-radius:16px;background:linear-gradient(135deg,var(--accent-bg),transparent 50%);pointer-events:none}
.card-body{position:relative;width:100%;height:100%;padding:22px;display:flex;flex-direction:column;z-index:1}
.card-tag{position:absolute;bottom:-30px;right:-10px;font-size:9px;letter-spacing:5px;text-transform:uppercase;color:var(--text-muted);transform:rotate(-42deg);transform-origin:bottom right;white-space:nowrap;font-weight:500;z-index:5;transition:color .9s}
.card-group.active .card-tag{color:rgba(255,255,255,.1)}
.card-group[data-i="0"]{margin-left:-225px;margin-top:-150px}
.card-group[data-i="0"] .card,.card-group[data-i="0"] .ghost{width:450px;height:300px}
.card-group[data-i="1"]{margin-left:-220px;margin-top:-147px}
.card-group[data-i="1"] .card,.card-group[data-i="1"] .ghost{width:440px;height:295px}
.card-group[data-i="2"]{margin-left:-215px;margin-top:-145px}
.card-group[data-i="2"] .card,.card-group[data-i="2"] .ghost{width:430px;height:290px}
.card-group[data-i="3"]{margin-left:-210px;margin-top:-142px}
.card-group[data-i="3"] .card,.card-group[data-i="3"] .ghost{width:420px;height:285px}

/* Card 1: User Laptop */
.c1{flex:1;display:flex;gap:10px;align-items:center;overflow:hidden;position:relative}
.c1-device{display:flex;flex-direction:column;align-items:center;flex-shrink:0}
.c1-scr{width:192px;height:118px;border:1.5px solid rgba(255,255,255,.1);border-radius:7px 7px 0 0;background:rgba(6,8,14,.98);overflow:hidden;position:relative}
.c1-notch{height:14px;background:rgba(255,255,255,.018);border-bottom:1px solid rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;gap:6px;position:relative;flex-shrink:0}
.c1-led{width:5px;height:5px;border-radius:50%;background:var(--success);box-shadow:0 0 8px var(--success-bg),0 0 18px var(--success-bg);position:relative;z-index:2}
.c1-led-ring{position:absolute;width:11px;height:11px;border-radius:50%;border:1px solid var(--success-bg);animation:ledring 2.5s ease-out infinite}
@keyframes ledring{0%{transform:scale(.6);opacity:.7}100%{transform:scale(2);opacity:0}}
.c1-rec-badge{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:5px;color:rgba(255,107,138,.5);letter-spacing:.5px;display:flex;align-items:center;gap:2px}
.c1-rec-badge::before{content:'';width:3px;height:3px;border-radius:50%;background:rgba(255,107,138,.55);animation:recblink 1.4s step-end infinite}
@keyframes recblink{0%,100%{opacity:1}50%{opacity:.15}}
.c1-desktop{position:absolute;inset:14px 0 0;background:rgba(8,11,18,.95)}
.c1-taskbar{height:9px;background:rgba(255,255,255,.02);border-bottom:1px solid rgba(255,255,255,.025);display:flex;align-items:center;padding:0 5px;gap:3px}
.c1-tb-dot{width:14px;height:3.5px;border-radius:1px;background:rgba(255,255,255,.04)}
.c1-tb-dot:first-child{background:var(--accent-bg);width:20px}
.c1-tb-clock{margin-left:auto;font-size:4px;color:var(--text-muted);font-family:'Fira Code',monospace}
.c1-cam-box{position:absolute;top:12px;right:5px;width:43px;height:34px;border-radius:4px;border:1px solid rgba(74,222,128,.14);background:rgba(4,7,12,.92);overflow:hidden;z-index:5}
.c1-cam-box::after{content:'LIVE';position:absolute;top:3px;left:4px;font-size:4px;color:rgba(74,222,128,.5);letter-spacing:.5px}
.c1-cam-led2{position:absolute;top:3px;right:5px;width:3px;height:3px;border-radius:50%;background:#4ade80;box-shadow:0 0 5px rgba(74,222,128,.6);animation:ledring2 2s infinite}
@keyframes ledring2{0%,100%{opacity:1}50%{opacity:.4}}
.c1-cam-fig{position:absolute;bottom:0;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center}
.c1-cam-hd{width:12px;height:12px;border-radius:50%;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.04)}
.c1-cam-bd{width:20px;height:9px;border-radius:8px 8px 0 0;border:1px solid rgba(255,255,255,.08);border-bottom:none;background:rgba(255,255,255,.02);margin-top:1px}
.c1-win{position:absolute;top:12px;left:5px;right:52px;bottom:5px;border-radius:4px;border:1px solid rgba(255,255,255,.04);background:rgba(255,255,255,.01);overflow:hidden}
.c1-win-bar{height:8px;background:rgba(255,255,255,.02);border-bottom:1px solid rgba(255,255,255,.025);display:flex;align-items:center;padding:0 4px;gap:2px}
.c1-wd{width:4px;height:4px;border-radius:50%}
.c1-wd.r{background:rgba(255,107,138,.25)}.c1-wd.y{background:rgba(255,200,60,.25)}.c1-wd.g{background:rgba(74,222,128,.25)}
.c1-win-body{padding:5px 4px;display:flex;flex-direction:column;gap:3px}
.c1-wl{height:2px;border-radius:1px}
.c1-wl:nth-child(1){width:80%;background:rgba(199,146,234,.1)}
.c1-wl:nth-child(2){width:58%;background:rgba(130,170,255,.08)}
.c1-wl:nth-child(3){width:90%;background:rgba(195,232,141,.06)}
.c1-wl:nth-child(4){width:44%;background:var(--accent-bg)}
.c1-wl:nth-child(5){width:72%;background:rgba(199,146,234,.06)}
.c1-wl:nth-child(6){width:62%;background:rgba(130,170,255,.06)}
.c1-cursor{position:absolute;width:14px;height:20px;z-index:10;pointer-events:none;animation:cmove 6s ease-in-out infinite;transform:rotate(210deg)}
.c1-cursor::before{content:'';position:absolute;top:0;left:0;width:0;height:0;border-style:solid;border-width:0 0 14px 14px;border-color:transparent transparent var(--text-primary) transparent;filter:drop-shadow(0 0 2px var(--accent))}
.c1-cursor::after{content:'';position:absolute;top:0;left:0;width:0;height:0;border-style:solid;border-width:0 0 14px 14px;border-color:transparent transparent rgba(0,0,0,.8) transparent;transform:translateX(-1px)translateY(-1px)}
@keyframes cmove{0%{top:18px;left:12px}18%{top:18px;left:50px}30%{top:30px;left:50px}44%{top:30px;left:20px}58%{top:44px;left:65px}72%{top:15px;left:75px}88%{top:44px;left:12px}100%{top:18px;left:12px}}
.c1-click{position:absolute;width:8px;height:8px;border-radius:50%;border:1px solid var(--accent);z-index:11;pointer-events:none;animation:cclick 6s ease-in-out infinite}
@keyframes cclick{0%,15%,17%,100%{opacity:0;transform:scale(.4)}16%{opacity:.8;transform:scale(.5)}16.5%{opacity:0;transform:scale(1.6);top:18px;left:50px}}
.c1-hinge{width:210px;height:7px;background:rgba(255,255,255,.025);border-radius:0 0 3px 3px;margin:0 auto;border:1px solid rgba(255,255,255,.04);border-top:none}
.c1-input{display:flex;align-items:flex-end;gap:8px;margin-top:5px}
.c1-kb{background:rgba(12,16,24,.9);border-radius:5px;padding:5px 6px;border:1px solid rgba(255,255,255,.04);display:flex;flex-direction:column;gap:2px}
.c1-krow{display:flex;gap:2px}
.c1-k{min-width:10px;height:9px;border-radius:2px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.055);border-bottom:2px solid rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;font-size:3.5px;color:rgba(255,255,255,.18);font-family:'Fira Code',monospace;transition:all .1s;flex-shrink:0}
.c1-k.w2{min-width:15px}.c1-k.w3{min-width:18px}.c1-k.sp{min-width:58px}.c1-k.fn{height:7px;font-size:3px;background:rgba(255,255,255,.025)}
.c1-k.press{background:var(--accent-bg);border-color:var(--accent-border);border-bottom-color:var(--accent-bg);box-shadow:0 0 5px var(--accent),0 0 12px var(--accent-bg);transform:translateY(1px);color:var(--accent)}
.c1-mouse{width:16px;height:26px;border-radius:8px 8px 5px 5px;border:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.02);position:relative;flex-shrink:0;margin-bottom:2px}
.c1-mouse-btns{position:absolute;top:1px;left:1px;right:1px;height:11px;display:flex;gap:1px}
.c1-mb{flex:1;border-radius:3px 3px 0 0;background:rgba(255,255,255,.025);border-bottom:1px solid rgba(255,255,255,.03)}
.c1-mb:first-child{border-right:1px solid rgba(255,255,255,.04)}
.c1-mb.click{background:var(--accent-bg);box-shadow:0 0 4px var(--accent)}
.c1-scroll-w{position:absolute;top:6px;left:50%;transform:translateX(-50%);width:3px;height:7px;border-radius:2px;background:rgba(255,255,255,.07)}
.c1-sz{flex:1;height:100%;position:relative;display:flex;flex-direction:column;justify-content:space-around;padding:8px 0;overflow:hidden}
.c1-lane{position:relative;height:3px;display:flex;align-items:center}
.c1-lane-line{position:absolute;inset:1px 0 1px 0;background:linear-gradient(90deg,var(--accent-bg),transparent)}
.c1-sp{position:absolute;width:4px;height:4px;border-radius:50%;top:-0.5px;opacity:0;animation:spleft 2s linear infinite}
.c1-sp.dim{width:2.5px;height:2.5px;background:var(--accent);opacity:.5;box-shadow:0 0 3px var(--accent)}
.c1-sp.bright{width:4px;height:4px;background:var(--accent);box-shadow:0 0 6px var(--accent),0 0 12px var(--accent)}
.c1-sp.purple{width:3px;height:3px;background:rgba(124,92,255,.7);box-shadow:0 0 5px rgba(124,92,255,.3)}
@keyframes spleft{0%{left:-4px;opacity:0}8%{opacity:1}85%{opacity:.6}100%{left:100%;opacity:0}}

/* Card 2: VM IDE */
.c2-chrome{display:flex;align-items:center;gap:5px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.035)}
.c2-dot{width:8px;height:8px;border-radius:50%}
.c2-r{background:rgba(255,107,138,.4);border:1px solid rgba(255,107,138,.25)}
.c2-y{background:rgba(255,200,60,.4);border:1px solid rgba(255,200,60,.25)}
.c2-g{background:rgba(74,222,128,.4);border:1px solid rgba(74,222,128,.25)}
.c2-url{flex:1;margin-left:10px;height:22px;border-radius:4px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.035);display:flex;align-items:center;padding:0 8px;gap:5px}
.c2-url svg{width:9px;height:9px;stroke:rgba(74,222,128,.35);fill:none;stroke-width:2}
.c2-url span{font-size:9px;color:var(--text-muted);font-family:'Fira Code',monospace}
.c2-tabs{display:flex;margin-top:8px;gap:0;border-bottom:1px solid rgba(255,255,255,.025)}
.c2-tab{padding:6px 12px;font-size:9px;color:var(--text-muted);border-bottom:1.5px solid transparent;letter-spacing:.2px;display:flex;align-items:center;gap:4px}
.c2-tab.on{color:var(--accent);border-color:var(--accent)}
.c2-tab svg{width:10px;height:10px;stroke:currentColor;fill:none;stroke-width:1.5}
.c2-main{flex:1;display:flex;margin-top:6px;position:relative}
.c2-gutter{width:28px;border-right:1px solid rgba(255,255,255,.025);display:flex;flex-direction:column;align-items:center;padding-top:4px;gap:8px;flex-shrink:0}
.c2-gutter i{width:12px;height:12px;border-radius:3px;border:1px solid rgba(255,255,255,.03);display:block}
.c2-gutter i.on{border-color:var(--accent-border);background:var(--accent-bg)}
.c2-code{flex:1;display:flex;flex-direction:column;padding-left:8px;padding-top:2px;overflow:hidden}
.c2-ln{display:flex;gap:6px;font-family:'Fira Code',monospace;font-size:10px;line-height:1.95}
.c2-ln .n{color:var(--text-muted);width:16px;text-align:right;flex-shrink:0}
.c2-ln .k{color:var(--syntax-keyword)}.c2-ln .f{color:var(--syntax-function)}.c2-ln .s{color:var(--syntax-string)}.c2-ln .o{color:var(--accent)}.c2-ln .t{color:var(--text-secondary)}.c2-ln .cm{color:var(--text-muted);font-style:italic}
.c2-cursor{display:inline-block;width:1.5px;height:13px;background:var(--accent);animation:bk 1s step-end infinite;vertical-align:middle;box-shadow:0 0 4px var(--accent)}
@keyframes bk{0%,100%{opacity:1}50%{opacity:0}}
.c2-bar{position:absolute;bottom:0;left:0;right:0;height:18px;border-top:1px solid rgba(255,255,255,.025);display:flex;align-items:center;padding:0 10px;gap:14px;font-size:7.5px;color:var(--text-muted);letter-spacing:.3px}
.c2-bar .gdot{width:4px;height:4px;border-radius:50%;background:var(--success-bg)}

/* Card 3: Encryption */
.c3{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
.c3-shield{width:44px;height:50px;position:relative}
.c3-shield svg{width:100%;height:100%;fill:none;stroke:var(--accent);stroke-width:1;opacity:.3}
.c3-shield .dot{position:absolute;top:52%;left:50%;transform:translate(-50%,-50%);width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 16px var(--accent)}
.c3-title{font-size:10px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);font-weight:600}
.c3-key-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:14px;border:1px solid var(--accent-border);background:var(--accent-bg);font-size:8px;color:var(--accent);font-family:'Fira Code',monospace;letter-spacing:.8px}
.c3-stream-wrap{width:100%;max-width:280px;overflow:hidden;position:relative;height:52px;border-radius:6px;border:1px solid var(--accent-border);background:rgba(0,0,0,.15)}
.c3-stream-row{display:flex;gap:0;white-space:nowrap;font-family:'Fira Code',monospace;font-size:9px;line-height:1;letter-spacing:1.5px;position:absolute;left:0}
.c3-stream-row:nth-child(1){top:4px;animation:hexscroll 6s linear infinite}
.c3-stream-row:nth-child(2){top:18px;animation:hexscroll 8s linear infinite;animation-delay:-2s}
.c3-stream-row:nth-child(3){top:32px;animation:hexscroll 5s linear infinite;animation-delay:-1s}
@keyframes hexscroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.c3-stream-row .hex{display:inline-block;padding:2px 3px;color:var(--accent);opacity:.25;transition:color .3s,text-shadow .3s}
.c3-stream-row .hex.bright{color:var(--accent);opacity:.6;text-shadow:0 0 6px var(--accent)}
.c3-stream-row .hex.purple{color:rgba(124,92,255,.5);text-shadow:0 0 6px rgba(124,92,255,.2)}
.c3-arrow{display:flex;align-items:center;gap:6px;margin-top:2px}
.c3-arrow-line{width:80px;height:1px;background:linear-gradient(90deg,transparent,var(--accent-bg),transparent);position:relative;overflow:hidden}
.c3-arrow-line::after{content:'';position:absolute;width:12px;height:3px;background:linear-gradient(90deg,transparent,var(--accent));border-radius:1px;top:-1px;animation:arrmv 1.8s linear infinite}
@keyframes arrmv{0%{left:-12px;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:80px;opacity:0}}
.c3-arrow svg{width:14px;height:14px;stroke:var(--accent);fill:none;stroke-width:1.5;opacity:.3}
.c3-arrow span{font-size:7.5px;letter-spacing:3px;color:var(--text-muted);text-transform:uppercase}

/* Card 4: Viewer */
.c4{flex:1;display:flex;align-items:center;justify-content:center;position:relative}
.c4-laptop{position:relative}
.c4-screen{width:200px;height:130px;border:1.5px solid rgba(255,255,255,.08);border-radius:7px 7px 0 0;background:rgba(255,255,255,.012);overflow:hidden;padding:5px}
.c4-browser{width:100%;height:100%;border:1px solid var(--accent-border);border-radius:4px;overflow:hidden}
.c4-bchrome{height:14px;background:rgba(255,255,255,.015);border-bottom:1px solid rgba(255,255,255,.025);display:flex;align-items:center;padding:0 5px;gap:3px}
.c4-bchrome i{width:4px;height:4px;border-radius:50%;display:block}
.c4-bchrome i:nth-child(1){background:rgba(255,107,138,.2)}
.c4-bchrome i:nth-child(2){background:rgba(255,200,60,.2)}
.c4-bchrome i:nth-child(3){background:rgba(74,222,128,.2)}
.c4-bchrome .burl{flex:1;margin-left:5px;height:8px;border-radius:2px;background:rgba(255,255,255,.015);border:1px solid rgba(255,255,255,.025)}
.c4-btabs{display:flex;border-bottom:1px solid rgba(255,255,255,.02);height:11px}
.c4-btabs div{padding:0 7px;font-size:5.5px;color:var(--text-muted);line-height:11px}
.c4-btabs div:first-child{color:var(--accent);border-bottom:1px solid var(--accent)}
.c4-ide{display:flex;flex:1;overflow:hidden}
.c4-ide-gut{width:14px;border-right:1px solid rgba(255,255,255,.02);display:flex;flex-direction:column;padding-top:2px}
.c4-ide-gut span{font-size:4.5px;color:var(--text-muted);text-align:right;padding-right:2px;line-height:1.9;font-family:'Fira Code',monospace}
.c4-ide-code{flex:1;padding:2px 0 2px 4px;display:flex;flex-direction:column;overflow:hidden}
.c4-ide-code .ln{display:flex;gap:3px;font-family:'Fira Code',monospace;font-size:5px;line-height:1.9;white-space:nowrap}
.c4-ide-code .ln .k{color:rgba(199,146,234,.5)}
.c4-ide-code .ln .f{color:rgba(130,170,255,.5)}
.c4-ide-code .ln .s{color:rgba(195,232,141,.45)}
.c4-ide-code .ln .o{color:var(--accent)}
.c4-ide-code .ln .t{color:var(--text-secondary)}
.c4-ide-code .ln .cm{color:var(--text-muted);font-style:italic}
.c4-base{width:220px;height:8px;background:rgba(255,255,255,.03);border-radius:0 0 4px 4px;margin:0 auto;border:1px solid rgba(255,255,255,.04);border-top:none}
.c4-trackpad{width:56px;height:3px;background:rgba(255,255,255,.015);border-radius:1px;margin:2px auto 0}
.c4-badge{position:absolute;top:10px;right:10px;display:flex;align-items:center;gap:4px;padding:4px 10px;border-radius:10px;border:1px solid var(--success-bg);background:var(--success-bg);font-size:7.5px;color:var(--success);letter-spacing:.5px}
.c4-badge::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--success);box-shadow:0 0 5px var(--success-bg);animation:pd 2s infinite}
@keyframes pd{0%,100%{opacity:1}50%{opacity:.3}}
.c4-lock{position:absolute;bottom:12px;left:12px;display:flex;align-items:center;gap:4px;font-size:7px;color:var(--accent);letter-spacing:.4px}
.c4-lock svg{width:9px;height:9px;stroke:var(--accent);fill:none;stroke-width:1.5;opacity:.25}

/* ── Mobile Responsive ── */
@media(max-width:767px){
  .how-right{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;transform:none;opacity:.2;z-index:1;pointer-events:none;width:100%;padding:0}
  .how-left{width:100%;padding:clamp(30px,5vw,50px) clamp(16px,4vw,24px);z-index:5;background:transparent}
  .how-sticky{height:100vh}
  .how-title{font-size:clamp(28px,6vw,40px);margin-bottom:clamp(32px,6vw,48px)}
  .step{padding:clamp(16px,3vw,22px) 0}
  .step-text h3{font-size:clamp(13px,3vw,15px)}
  .step-text p{font-size:clamp(11px,2.5vw,13px)}
  .how-footer{position:absolute;bottom:clamp(24px,5vw,44px);left:clamp(16px,4vw,24px)}
  .how-footer a{font-size:clamp(10px,2.2vw,12px);padding:clamp(7px,1.5vw,9px) clamp(12px,2.5vw,16px)}
  .scene{transform:scale(0.62);transform-origin:center;opacity:.9}
}