:root{color-scheme:dark;--bg:#101820;--panel:#17222c;--panel2:#1c2a34;--line:#30404a;--text:#eff4f3;--muted:#a7b6bc;--pink:#f783c7;--purple:#ad8bec;--north:#f783c7;--south:#ad8bec;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input{font:inherit}::selection{background:var(--pink);color:var(--bg)}.shell{width:min(1180px,calc(100% - 64px));margin:auto}.site-header{border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:850;letter-spacing:-.07em;white-space:nowrap}.brand-light{font-weight:450;letter-spacing:-.035em;margin-left:4px}.brand-mark{width:28px;height:28px;border:3px solid var(--pink);border-radius:50%;color:var(--pink);font-size:19px;line-height:19px;text-align:center;display:inline-block}.header-inner nav{display:flex;gap:32px;align-items:center}.nav-link{color:var(--muted);font-size:14px;font-weight:600;transition:color .18s}.nav-link:hover,.nav-link.current{color:var(--text)}.nav-link span{color:var(--pink);padding-left:4px}.home-main{padding-top:94px;padding-bottom:112px}.eyebrow,.section-kicker,.panel-kicker{font-size:12px;font-weight:800;letter-spacing:.17em;color:var(--pink)}.eyebrow{display:flex;align-items:center;gap:13px}.eyebrow-line{width:25px;height:1px;background:var(--pink)}.home-hero{min-height:485px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.home-hero h1{font-size:clamp(3.2rem,6vw,5.75rem);letter-spacing:-.07em;line-height:1.035;margin:20px 0 24px;font-weight:730}.home-hero h1 em{font-style:normal;color:var(--purple)}.lead{color:var(--muted);font-size:1.16rem;line-height:1.6;max-width:480px;margin:0 0 33px}.primary-button{display:inline-flex;align-items:center;gap:30px;padding:16px 21px;background:var(--pink);color:var(--bg);font-weight:750;border-radius:7px;transition:transform .18s,background .18s}.primary-button:hover{background:#ffafe0;transform:translateY(-2px)}.primary-button span{font-size:20px;line-height:1}.hero-visual{height:390px;position:relative;display:grid;place-items:center;overflow:hidden}.orbit{position:absolute;border:1px solid #3a5059;border-radius:50%;aspect-ratio:1}.orbit-one{width:330px;border-style:dashed;animation:rotate 70s linear infinite}.orbit-two{width:265px;border-color:#71977d}.orbit-three{width:210px;border:18px solid var(--pink);border-right-color:var(--south);border-bottom-color:var(--south);transform:rotate(-30deg);box-shadow:0 0 65px #f783c716}.hero-center{font-size:46px;font-weight:800;letter-spacing:-.11em;z-index:1}.hero-center span{color:var(--pink);font-size:25px;margin:0 9px;vertical-align:7px}.hero-caption{position:absolute;bottom:6px;right:2px;font-size:11px;letter-spacing:.15em;color:var(--muted)}@keyframes rotate{to{transform:rotate(360deg)}}.home-list{border-top:1px solid var(--line);padding-top:45px}.section-heading h2{font-size:clamp(1.8rem,3vw,2.5rem);letter-spacing:-.045em;margin:11px 0 25px}.muted{color:var(--muted);font-weight:450}.tool-row{display:flex;align-items:center;gap:24px;border:1px solid var(--line);border-radius:10px;padding:27px 30px;background:var(--panel);transition:background .18s,border-color .18s}.tool-row:hover{background:var(--panel2);border-color:#7f9b80}.tool-index{color:var(--pink);font-size:14px;font-weight:750}.tool-name{display:flex;flex-direction:column;gap:6px;flex:1}.tool-name strong{font-size:22px;letter-spacing:-.03em}.tool-name small{color:var(--muted);font-size:15px;line-height:1.45}.tool-arrow{color:var(--pink);font-size:26px}.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px}.footer-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-footer a:hover{color:var(--pink)}
.calculator-main{padding-top:34px;padding-bottom:110px}.back-link{color:var(--muted);font-size:14px;font-weight:600}.back-link:hover{color:var(--pink)}.back-link span{margin-right:8px}.tool-intro{padding:40px 0 44px}.tool-intro h1{font-size:clamp(3.3rem,6vw,5.5rem);line-height:1;letter-spacing:-.065em;margin:18px 0 18px}.title-dot{color:var(--purple)}.tool-intro p{color:var(--muted);font-size:1.1rem;line-height:1.5;max-width:630px;margin:0}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:17px;align-items:stretch}.diagram-panel,.calculator-panel{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:28px;min-width:0}.panel-top{display:flex;justify-content:space-between;gap:15px;align-items:start}.panel-top h2{font-size:24px;letter-spacing:-.04em;margin:8px 0 0}.view-tag,.step-badge{font-size:11px;white-space:nowrap;color:var(--muted);letter-spacing:.09em;border:1px solid var(--line);padding:7px 9px;border-radius:4px}.motor-stage{height:390px;display:grid;place-items:center}.motor-stage svg{width:min(100%,390px);height:min(100%,390px);overflow:visible}.diagram-legend{display:flex;flex-wrap:wrap;gap:13px 22px;border-top:1px solid var(--line);padding-top:20px;font-size:11px;font-weight:750;letter-spacing:.08em;color:var(--muted)}.diagram-legend span{display:flex;align-items:center;gap:7px}.legend-swatch{width:11px;height:11px;display:inline-block;border-radius:2px}.north{background:var(--north)}.south{background:var(--south)}.stator{background:#ad784e}.diagram-note{color:var(--muted);font-size:14px;line-height:1.55;margin:20px 0 0}.calculator-panel{display:flex;flex-direction:column}.input-group{margin-top:40px}label{font-size:15px;font-weight:700;display:flex;align-items:baseline;justify-content:space-between;gap:15px;margin-bottom:11px}.label-hint{color:var(--muted);font-size:12px;font-weight:450;text-align:right}.input-wrap{height:62px;display:flex;align-items:center;border:1px solid #6a7a7e;border-radius:7px;background:#111b23;transition:border-color .15s,box-shadow .15s}.input-wrap:focus-within{border-color:var(--pink);box-shadow:0 0 0 3px #f783c722}.input-wrap:has(input[aria-invalid="true"]){border-color:#ef9c82}.input-wrap input{width:100%;min-width:0;border:0;outline:0;padding:13px 17px;background:transparent;color:var(--text);font-size:23px;font-weight:650;appearance:textfield}.input-wrap input::-webkit-outer-spin-button,.input-wrap input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.input-wrap input::placeholder{color:#71828a;font-weight:400}.input-unit{color:var(--muted);font-size:11px;letter-spacing:.12em;font-weight:750;padding-right:18px}.field-help,.field-error{font-size:13px;line-height:1.5;margin:10px 0 0}.field-help{color:var(--muted)}.field-error{color:#ffb299}.result-box{background:var(--pink);color:#112021;border-radius:9px;padding:23px 26px;margin-top:30px;min-height:160px}.result-box.invalid{background:#3a4748;color:var(--text)}.result-label{font-size:11px;letter-spacing:.16em;font-weight:850}.result-value{display:flex;align-items:baseline;gap:12px;margin:9px 0 11px}.result-value output{font-size:70px;font-weight:800;letter-spacing:-.09em;line-height:1}.result-value span{font-size:19px;letter-spacing:-.03em;font-weight:700}.result-formula{border-top:1px solid #16271e44;padding-top:11px;font-size:13px}.secondary-calculation{margin-top:34px;padding-top:29px;border-top:1px solid var(--line)}.secondary-heading p{font-size:14px;line-height:1.5;color:var(--muted);margin:9px 0 23px}.erpm-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-top:21px;color:var(--muted);font-size:14px}.erpm-row strong{color:var(--text);font-size:27px;letter-spacing:-.04em}.erpm-row small{font-size:12px;letter-spacing:.07em;color:var(--muted)}.microcopy{text-align:right;color:var(--muted);font-size:12px;margin:5px 0 0}.learn-section{padding-top:85px}.learn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.learn-grid article{border-top:1px solid var(--line);padding-top:20px}.learn-number{color:var(--pink);font-size:13px;font-weight:750}.learn-grid h3{font-size:20px;letter-spacing:-.035em;margin:20px 0 10px}.learn-grid p,.learn-caveat{font-size:15px;line-height:1.6;color:var(--muted);margin:0}.learn-caveat{border-left:2px solid var(--pink);padding-left:15px;margin-top:40px;max-width:730px}
@media(max-width:850px){.home-hero{grid-template-columns:1fr;gap:0;padding-top:55px}.home-main{padding-top:44px}.hero-visual{height:320px}.workspace{grid-template-columns:1fr}.motor-stage{height:350px}.learn-grid{gap:20px}}@media(max-width:580px){.shell{width:calc(100% - 36px)}.header-inner{height:66px}.brand{font-size:17px}.header-inner nav{gap:16px}.nav-link{font-size:13px}.home-main{padding-top:50px;padding-bottom:75px}.home-hero{padding-top:38px;min-height:0}.home-hero h1{font-size:clamp(2.9rem,12vw,4rem)}.lead{font-size:1rem}.hero-visual{height:290px}.orbit-one{width:270px}.orbit-two{width:220px}.orbit-three{width:170px;border-width:15px}.hero-caption{bottom:0}.tool-row{padding:20px;gap:15px}.tool-name strong{font-size:19px}.tool-name small{font-size:13px}.footer-inner{min-height:90px;align-items:start;justify-content:center;flex-direction:column;gap:6px}.calculator-main{padding-top:25px;padding-bottom:80px}.tool-intro{padding:35px 0}.tool-intro h1{font-size:3.75rem}.tool-intro p{font-size:1rem}.diagram-panel,.calculator-panel{padding:20px}.panel-top h2{font-size:21px}.view-tag{font-size:9px;padding:6px}.motor-stage{height:300px}.diagram-note{font-size:13px}.input-group{margin-top:34px}.result-value output{font-size:64px}.learn-section{padding-top:65px}.learn-grid{grid-template-columns:1fr;gap:27px}.learn-grid h3{margin-top:12px}.learn-caveat{margin-top:30px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}

/* The removed shell and the stationary stator are deliberately shown apart. */
.tool-intro h1{background:linear-gradient(95deg,#f99bd5 7%,#c6a9ff 61%,#f3f2f8 100%);color:transparent;background-clip:text;-webkit-background-clip:text;width:fit-content}
.title-dot{color:var(--pink);-webkit-text-fill-color:var(--pink)}
.section-heading h2{color:#f2e9ff}.panel-top h2{color:#f6eafd}.tool-name strong{color:#eedbff}
.orbit-three{border-color:var(--pink);border-right-color:var(--purple);border-bottom-color:var(--purple)}
.hero-center span{color:var(--purple)}.learn-grid h3{color:#f3dbff}
.youtube-link{display:inline-flex;align-items:center;gap:9px;border:1px solid #8d70a3;border-radius:7px;padding:10px 13px;color:#f2ddff;font-size:13px;font-weight:700;white-space:nowrap;transition:background .18s,border-color .18s}
.youtube-link:hover{background:#362b45;border-color:var(--pink);color:#fff}.youtube-link svg{width:18px;height:18px;color:var(--pink)}.youtube-link span{color:var(--pink)}
.diagram-instruction{font-size:14px;line-height:1.55;color:var(--muted);margin:20px 0 14px}.diagram-instruction strong{color:#f8d5ef;font-weight:700}
.exploded-view{display:grid;grid-template-columns:minmax(0,2.3fr) minmax(112px,1fr);align-items:center;gap:10px;min-height:350px}
.shell-view,.stator-view{min-width:0;text-align:center}.shell-view svg{display:block;width:100%;max-width:360px;margin:0 auto}.stator-view svg{display:block;width:100%;max-width:145px;margin:14px auto 7px}
.visual-label{color:#dce0e9;font-size:11px;font-weight:800;letter-spacing:.055em;line-height:1.5}.visual-label span{color:var(--pink);margin-right:3px}.visual-label b{display:block;color:var(--pink);font-size:10px;letter-spacing:.1em;margin-top:2px}
.not-counted{color:#b3a3b6;font-size:10px;font-weight:700;letter-spacing:.07em;line-height:1.4}.screw{background:#c5cbd1;border:2px solid #3c4650;border-radius:50%}
.result-box{background:linear-gradient(120deg,#f9a6da,#d5a7fa)}
.brand-mark{border-color:var(--purple);color:var(--pink)}
@media(max-width:580px){.exploded-view{grid-template-columns:1fr;gap:0}.shell-view svg{max-width:330px}.stator-view{display:flex;align-items:center;justify-content:center;gap:12px;border-top:1px solid var(--line);padding:14px 0 9px;text-align:left}.stator-view svg{width:80px;flex:none;margin:0}.stator-view .visual-label{max-width:125px}.not-counted{font-size:9px}.youtube-link{font-size:12px}}

.photo-guide{margin:0 0 22px;border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:22px;overflow:hidden}
.photo-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:17px}.photo-heading h2{margin:7px 0 0;color:#f6eafd;font-size:25px;letter-spacing:-.04em}
.photo-guide>a{display:block;max-width:880px;margin:auto}.photo-guide img{display:block;width:100%;height:auto;border-radius:8px}
.photo-caption{max-width:880px;margin:15px auto 0;color:var(--muted);font-size:14px;line-height:1.55}.photo-caption a{color:#efb7e0;font-weight:700;white-space:nowrap}.photo-caption a:hover{text-decoration:underline}
.sources-section{padding-top:85px}.source-list{border-top:1px solid var(--line)}.source-list a{display:grid;grid-template-columns:42px minmax(180px,1fr) minmax(240px,1.15fr) 22px;align-items:center;gap:20px;min-height:92px;border-bottom:1px solid var(--line);padding:17px 5px;transition:background .18s}.source-list a:hover{background:#1a2731}.source-list span,.source-list b{color:var(--pink);font-size:14px}.source-list strong{font-size:16px;color:var(--text)}.source-list small{font-size:14px;line-height:1.45;color:var(--muted)}.sources-note{font-size:13px;line-height:1.5;color:var(--muted);margin:18px 0 0}
.footer-inner{padding-top:24px;padding-bottom:24px}.footer-community{text-align:right}.footer-community p{font-size:13px;color:var(--muted);margin:0 0 11px}.footer-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.donate-link{display:inline-flex;align-items:center;gap:9px;border:1px solid #8d70a3;border-radius:7px;padding:10px 13px;color:#f2ddff;font-size:13px;font-weight:700;white-space:nowrap;transition:background .18s,border-color .18s}.donate-link:hover{background:#362b45;border-color:var(--pink);color:#fff}.donate-link span{color:var(--pink)}
@media(max-width:750px){.source-list a{grid-template-columns:32px 1fr 18px;gap:8px 12px}.source-list small{grid-column:2;grid-row:2}.source-list b{grid-column:3;grid-row:1}.footer-inner{align-items:flex-start;flex-direction:column}.footer-community{text-align:left}.footer-actions{justify-content:flex-start}}
@media(max-width:580px){.photo-guide{padding:14px}.photo-heading{align-items:flex-start}.photo-heading h2{font-size:21px}.photo-heading .view-tag{font-size:9px}.photo-caption{font-size:13px}.sources-section{padding-top:64px}.footer-community p{line-height:1.5}.donate-link{font-size:12px}}

/* Compact single-purpose tools */
.home-list .tool-row+.tool-row{margin-top:10px}.header-inner nav{flex-wrap:wrap;gap:10px 24px}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.mini-grid .calculator-panel{display:block}.mini-grid h2{font-size:25px;letter-spacing:-.04em;color:#f6eafd;margin:8px 0 14px}.mini-copy{font-size:14px;line-height:1.65;color:var(--muted);margin:10px 0 24px}.mini-copy strong{color:var(--text)}.mini-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:30px 0 8px}.mini-fields label{min-height:32px}.mini-grid .input-wrap input{min-width:0;width:100%;padding:0 12px}.mini-grid select{color:var(--text);background:#111b23;border:0;border-left:1px solid var(--line);padding:0 8px;cursor:pointer}.mini-grid input[aria-invalid=true]{outline:1px solid #f783c7}.compare-visual{min-height:195px;display:flex;align-items:center;justify-content:center;gap:30px;border-top:1px solid var(--line);margin-top:26px}.wheel-art{width:124px;height:124px;border-radius:50%;border:17px solid #d9a5f1;box-shadow:inset 0 0 0 3px #4e4263,0 0 0 2px #45314e;display:grid;place-items:center;background:#26303c;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.06em}.wheel-old{transform:scale(.84);border-color:#7f759c}.wheel-new{transform:scale(var(--relative-size,1))}.compare-arrow{font-size:25px;color:var(--pink)}.stat-row{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:21px 0;font-size:14px;color:var(--muted);line-height:1.45}.stat-row strong{color:#f5c0e8;font-size:18px;text-align:right;white-space:nowrap}.optional-field{margin-top:24px;border-top:1px solid var(--line);padding-top:25px}.optional-field label{line-height:1.35}.optional-field .stat-row{margin-top:20px}.ratio-result{font-size:clamp(3.4rem,7vw,5.5rem);font-weight:750;letter-spacing:-.07em;color:#f5c0e8;margin:18px 0 0}.ratio-result span{font-size:30px;color:var(--muted)}.pulley-art{display:flex;justify-content:center;align-items:center;gap:0;min-height:195px;border-top:1px solid var(--line);margin-top:25px}.pulley{border:9px dashed #d9a5f1;border-radius:50%;display:grid;place-items:center;flex:none;background:#26303c;position:relative;z-index:1;transform:scale(var(--scale,1));font-size:9px;font-weight:800;color:#fff}.pulley.small{width:70px;height:70px;border-color:var(--pink)}.pulley.large{width:120px;height:120px}.belt-line{height:65px;flex:0 1 95px;border-top:3px solid #9d789d;border-bottom:3px solid #9d789d}.mini-footnote{color:var(--muted);font-size:13px;line-height:1.5;margin:18px 0 0}@media(max-width:850px){.mini-grid{grid-template-columns:1fr}.header-inner{height:auto;min-height:76px;padding:15px 0;align-items:flex-start;flex-direction:column}}@media(max-width:580px){.header-inner nav{gap:10px 17px}.nav-link{font-size:12px}.mini-fields{gap:10px}.mini-grid .calculator-panel{padding:20px}.compare-visual{gap:18px}.wheel-art{width:100px;height:100px}.stat-row strong{font-size:16px}}

.drive-choice{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.drive-choice label{margin:0}.drive-choice select{color:var(--text);background:#111b23;border:1px solid var(--line);border-radius:6px;padding:11px;max-width:60%}.pulley-intro{margin:18px 0 10px}.pulley-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pulley-fields fieldset{border:1px solid var(--line);border-radius:8px;padding:12px;min-width:0}.pulley-fields legend{font-size:13px;color:var(--pink);font-weight:700;padding:0 5px}.pulley-fields .mini-fields{grid-template-columns:1fr;margin:8px 0 0;gap:12px}.pulley-fields label{font-size:13px;min-height:0}.pulley-fields .input-wrap{height:48px}.pulley-fields .input-unit{font-size:11px}[hidden]{display:none!important}@media(max-width:580px){.pulley-fields{gap:7px}.pulley-fields fieldset{padding:9px}.drive-choice select{font-size:13px}}

.remote-guide{padding-top:72px}.remote-card{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:26px}.remote-card>label{margin-bottom:12px}.remote-card>select{width:min(100%,460px);padding:14px;color:var(--text);background:#111b23;border:1px solid #6a7a7e;border-radius:7px}.remote-guidance{max-width:760px;color:var(--muted);font-size:14px;line-height:1.65}.remote-guidance h3{font-size:19px;color:#f2dcfa;margin:22px 0 6px}.remote-guidance p{margin:16px 0 10px}.remote-guidance a{color:var(--pink);font-weight:700}.remote-guidance a:hover{text-decoration:underline}@media(max-width:580px){.remote-guide{padding-top:55px}.remote-card{padding:19px}}

.remote-values{margin:16px 0 20px;border:1px solid var(--line);border-radius:9px;overflow:hidden}.remote-value-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 15px;background:#14202a}.remote-value-row+.remote-value-row{border-top:1px solid var(--line)}.remote-value-row span{color:#d4a3ff;font-weight:700}.remote-value-row:nth-child(even) span{color:#f783c7}.remote-value-row strong{color:#f6f2fa;font-size:16px;text-align:right}.meepo-speed-cal{border-top:1px solid var(--line);padding-top:20px;margin-top:22px}.meepo-speed-cal h3{margin:0 0 7px;font-size:19px;color:#f5d9fa}.meepo-cal-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.meepo-cal-fields label{min-height:38px;font-size:13px;line-height:1.3}.meepo-cal-fields input{width:100%;min-width:0;height:52px;padding:0 12px;color:var(--text);background:#111b23;border:1px solid #6a7a7e;border-radius:7px}.meepo-cal-result{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:18px 0;margin-top:22px;color:#d4a3ff;font-weight:700}.meepo-cal-result strong{font-size:29px;color:var(--pink)}@media(max-width:580px){.meepo-cal-fields{grid-template-columns:1fr}.meepo-cal-fields label{min-height:0}.remote-value-row{padding:10px 12px;font-size:13px}}

.voyager-chart-cal{border-top:1px solid var(--line);padding-top:20px;margin-top:22px}.voyager-chart-cal h3{font-size:19px;color:#f5d9fa;margin:0 0 8px}.chart-selects{display:grid;grid-template-columns:1fr 1fr;gap:12px}.chart-selects label{font-size:13px}.chart-selects select{width:100%;height:52px;padding:0 12px;color:var(--text);background:#111b23;border:1px solid #6a7a7e;border-radius:7px}.chart-result{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:25px;padding:17px 0;border-top:1px solid var(--line);color:#d4a3ff;font-weight:700}.chart-result strong{font-size:32px;color:var(--pink)}.chart-reference{margin-top:20px}.chart-reference summary{cursor:pointer;color:var(--pink);font-weight:700}.chart-reference img{display:block;max-width:100%;height:auto;margin-top:15px;border-radius:8px}@media(max-width:580px){.chart-selects{grid-template-columns:1fr}}

.unknown-toggle{display:inline-flex;align-items:center;justify-content:flex-start;gap:10px;margin:4px 0 20px;padding:11px 14px;border:1px solid var(--line);border-radius:7px;color:#eddbfb;cursor:pointer;font-size:14px}.unknown-toggle input{width:18px;height:18px;margin:0;accent-color:var(--pink)}.mini-fields.single-setup,.pulley-fields.single-setup{grid-template-columns:minmax(0,1fr)}.mini-fields.single-setup>div,.pulley-fields.single-setup>fieldset{max-width:460px}.remote-guidance .remote-value-row span{line-height:1.4}

/* Desktop: setup and remote guide side by side; comparison follows underneath. */
.mini-grid>.remote-guide{padding-top:0;min-width:0}.mini-grid>.remote-guide .remote-card{height:auto}.comparison-followup{margin-top:18px}.comparison-followup .optional-field{max-width:660px}@media(max-width:850px){.comparison-followup{margin-top:18px}}

/* Gear ratio: clear result hierarchy and countable pulley teeth. */
.ratio-display{background:#14202a;border:1px solid #42545f;border-radius:12px;padding:23px 25px 20px;margin:24px 0 18px}
.ratio-caption{display:block;color:var(--pink);font-size:11px;font-weight:800;letter-spacing:.17em}
.ratio-display .ratio-result{display:flex;align-items:baseline;gap:16px;margin:5px 0 10px;line-height:1.15;white-space:nowrap}
.ratio-display .ratio-result output{font-size:clamp(3.2rem,7vw,5.2rem);letter-spacing:-.06em}
.ratio-display .ratio-result span{font-size:clamp(1.6rem,3vw,2rem);letter-spacing:0;color:var(--purple)}
.ratio-display p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}
.ratio-display p strong{color:#f8e5fb}
.gear-explanation{font-size:13px;line-height:1.6;color:var(--muted);margin:19px 0 0;max-width:56ch}
.pulley-art{border-top:1px solid var(--line);margin-top:25px;padding-top:18px;min-height:0;display:block}
.pulley-art svg{display:block;width:100%;height:auto;max-width:520px;margin:auto;overflow:visible}
.diagram-belt{fill:none;stroke:#a87cae;stroke-width:3}
.diagram-motor{fill:#f783c7;stroke:#ffd1ec;stroke-width:1;stroke-linejoin:round}
.diagram-wheel{fill:#d9a5f1;stroke:#f3dafa;stroke-width:1;stroke-linejoin:round}
.gear-hub{fill:#26303c;stroke:#525468;stroke-width:2}
.gear-center-label{fill:#fff;text-anchor:middle;font-size:9px;font-weight:800;letter-spacing:.04em}
.gear-count-label{fill:#f2ddfa;text-anchor:middle;font-size:14px;font-weight:800}
.diagram-caption{color:var(--muted);font-size:12px;line-height:1.5;margin:2px 0 22px}
.gear-photo{margin:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#111b23;position:relative}
.gear-photo img{display:block;width:100%;height:auto}
.gear-photo figcaption{padding:13px 15px;color:var(--muted);font-size:12px;line-height:1.5}
.gear-photo figcaption strong{color:var(--pink)}
.photo-pin{position:absolute;left:55%;top:47%;width:9%;aspect-ratio:1;border:2px solid var(--pink);border-radius:50%;box-shadow:0 0 0 5px #101820a0;transform:translate(-50%,-50%);pointer-events:none}
@media(max-width:580px){.ratio-display{padding:18px}.ratio-display .ratio-result{gap:11px}.ratio-display .ratio-result output{font-size:3.6rem}.gear-photo figcaption{font-size:11px}}

/* Home: broad toolkit overview with a compact electric skateboard illustration. */
.home-main{padding-top:62px}
.home-hero{min-height:0;grid-template-columns:1.08fr .92fr;gap:22px;align-items:center;padding:20px 0 46px}
.home-hero h1{font-size:clamp(3rem,5.5vw,5rem);margin:17px 0 20px}
.home-hero .lead{margin:0;max-width:560px}
.hero-board{width:100%;min-width:0;display:grid;place-items:center}
.hero-board svg{display:block;width:100%;height:auto;max-width:590px;filter:drop-shadow(0 17px 25px #d089e522)}
.home-list{padding-top:29px}
@media(max-width:850px){.home-main{padding-top:50px}.home-hero{grid-template-columns:1fr;gap:0;padding-bottom:30px}.hero-board{max-width:570px;margin:0 auto}.home-list{padding-top:30px}}
@media(max-width:580px){.home-main{padding-top:40px}.home-hero h1{font-size:clamp(2.65rem,11vw,3.75rem)}.hero-board{margin-top:4px}.home-list{padding-top:26px}}