@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');
:root{--bg-primary:#0b1220;--bg-secondary:#101b2a;--bg-card:#142131;--cyan:#24d8cb;--text-primary:#f4f8fc;--text-secondary:#b8c7d6;--text-muted:#a4b4c4;--border:#304256;--font-heading:'Outfit',sans-serif;--font-body:'Inter',sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}h1,h2,h3{font-family:var(--font-heading);line-height:1.2;font-weight:600}
.container{width:calc(100% - 64px);max-width:1120px;margin:auto}section{padding:72px 0;scroll-margin-top:0}
.section-label{display:block;color:var(--cyan);text-transform:uppercase;font-weight:600;font-size:.75rem;letter-spacing:1.8px;margin-bottom:12px}
.section-title{font-size:clamp(2rem,3.5vw,2.8rem);letter-spacing:-.6px;margin-bottom:18px}.section-subtitle{max-width:680px;color:var(--text-secondary)}
.accent-text{color:var(--cyan)}.section-header{margin-bottom:32px}.eyebrow{color:var(--text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:1.1px}
.skip-link{position:fixed;top:10px;left:10px;padding:10px 16px;background:var(--cyan);color:var(--bg-primary);transform:translateY(-180%);z-index:2000}.skip-link:focus{transform:none}
.navbar{position:fixed;top:0;width:100%;z-index:1000;background:#0b1220;border-bottom:1px solid var(--border)}
.navbar .container{display:flex;justify-content:space-between;align-items:center;min-height:76px;gap:24px}
.navbar-logo{flex-shrink:0;z-index:1002}.navbar-logo img{width:206px;height:auto}
.navbar-links{display:flex;align-items:center;gap:28px}.navbar-links a{color:var(--text-secondary);font-size:.9rem;display:inline-flex;align-items:center;min-height:44px}
.navbar-links a:hover{color:var(--cyan)}.navbar-links .navbar-cta{color:var(--bg-primary);background:var(--cyan);padding:10px 18px;border-radius:8px;font-weight:600}
.hamburger{display:none;background:transparent;border:1px solid var(--border);border-radius:8px;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;z-index:1002}
.hamburger span{width:20px;height:2px;background:var(--text-primary);transition:transform .2s,opacity .2s}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{padding:148px 0 64px}.hero-content{max-width:880px}.hero-title{font-size:clamp(2.6rem,5.4vw,4.3rem);letter-spacing:-1.5px;line-height:1.08;margin-bottom:24px}
.hero-subtitle{font-size:1.1rem;max-width:670px;color:var(--text-secondary);margin-bottom:28px}.hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary,.btn-secondary,.btn-submit{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:8px;font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:background .2s,border-color .2s}
.btn-primary,.btn-submit{background:var(--cyan);color:var(--bg-primary)}.btn-primary:hover,.btn-submit:not(:disabled):hover,.navbar-cta:hover{background:#67e8de}
.btn-secondary{border-color:#607488;color:var(--text-primary);background:transparent}.btn-secondary:hover{border-color:var(--cyan);color:var(--cyan)}
.hero-promises{display:flex;gap:10px 28px;flex-wrap:wrap;margin-top:30px;font-size:.85rem;color:var(--text-secondary)}.hero-promises span::before{content:'✓';color:var(--cyan);margin-right:8px}
.work{background:var(--bg-secondary);border-block:1px solid var(--border)}.work-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.work-preview{border:1px solid #4d6279;border-radius:12px;overflow:hidden;display:block;background:#080c12}.work-preview img{width:100%;aspect-ratio:16/9;object-fit:cover}.work-preview:hover{border-color:var(--cyan)}
.work-preview-label{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:12px 18px;font-size:.8rem;background:#142131;color:var(--text-secondary)}
.work-copy p{color:var(--text-secondary);margin-bottom:18px}.work-copy h2{font-size:clamp(1.8rem,3vw,2.4rem);margin:12px 0 18px}.work-points{padding-left:18px;color:var(--text-secondary);margin-bottom:24px}.work-points li{margin:4px 0}.demo-tag{display:inline-block;color:var(--cyan);border:1px solid #357d79;border-radius:4px;padding:3px 9px;font-size:.75rem;font-weight:600}
.services-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.service-card{padding:26px;border:1px solid var(--border);border-radius:12px;background:var(--bg-card);display:flex;flex-direction:column}
.service-card h3{font-size:1.35rem;margin:10px 0 12px}.service-card p{font-size:.94rem;color:var(--text-secondary);margin-bottom:16px}.service-features{padding-left:18px;font-size:.9rem;color:var(--text-secondary);margin-bottom:18px}.service-features li{margin:4px 0}
.service-link{display:inline-flex;align-items:center;min-height:44px;gap:10px;align-self:flex-start;margin-top:auto;font-size:.9rem;font-weight:600;color:var(--cyan)}
.service-link:hover{text-decoration:underline;text-underline-offset:4px}.service-card .example-line{font-size:.84rem;padding-top:14px;border-top:1px solid var(--border);margin-bottom:10px}
.tools-callout{margin-top:24px;padding:20px 24px;border:1px solid #357d79;border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.tools-callout h3{font-size:1.1rem;margin-bottom:6px}.tools-callout p{font-size:.9rem;color:var(--text-secondary)}.tools-callout a{flex-shrink:0}
.process{background:var(--bg-secondary);border-block:1px solid var(--border)}.process-timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step-number{color:var(--cyan);font-size:.8rem;letter-spacing:1px;margin-bottom:10px;display:block}.process-step{padding-top:18px;border-top:2px solid #357d79}
.process-step h3{font-size:1.15rem;margin-bottom:10px}.process-step p{color:var(--text-secondary);font-size:.9rem}
.about-strip{margin-top:40px;padding-top:30px;border-top:1px solid var(--border);display:grid;grid-template-columns:.7fr 2fr;gap:32px}.about-strip h3{font-size:1.2rem}.about-strip p{color:var(--text-secondary);font-size:.95rem}
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}.contact-info{margin-top:24px}.contact-info h3{font-size:1rem;margin-bottom:4px}.contact-info p{color:var(--text-secondary);margin-bottom:18px;font-size:.94rem}.contact-info a{color:var(--cyan)}
.contact-form{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:28px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px}.required-note{color:var(--text-secondary);font-weight:400}
.form-group input,.form-group select,.form-group textarea{width:100%;min-height:48px;padding:11px 12px;border:1px solid #6c8196;background:#101b2a;border-radius:6px;color:var(--text-primary);font-size:16px}
.form-group textarea{min-height:132px;resize:vertical}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted);opacity:1}.form-group option{background:var(--bg-primary)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--cyan)}
.form-privacy{font-size:.8rem;color:var(--text-secondary);margin-bottom:18px}.form-privacy a,.form-status a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.btn-submit{width:100%}.btn-submit:disabled{opacity:.6;cursor:wait}.form-status{margin-top:16px;color:var(--text-secondary);font-size:.9rem}.form-status:empty{display:none}.form-status[data-state=error]{color:#ffb5b5}.form-status[data-state=success]{color:#81edc8}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.footer{padding:36px 0 20px;border-top:1px solid var(--border);background:#080f1a}.footer-content{display:flex;justify-content:space-between;gap:32px;align-items:start}.footer-brand img{width:164px;margin-bottom:14px}.footer-description{color:var(--text-secondary);font-size:.85rem;max-width:300px}
.footer-links{display:flex;gap:8px 24px;flex-wrap:wrap;justify-content:flex-end}.footer-links a{min-height:44px;display:inline-flex;align-items:center;font-size:.85rem;color:var(--text-secondary)}.footer-links a:hover{color:var(--cyan)}.footer-copy{padding-top:24px;margin-top:24px;border-top:1px solid var(--border);font-size:.78rem;color:var(--text-muted)}
.privacy-main{padding:136px 0 64px;min-height:70vh}.privacy-content{max-width:760px;margin:auto}.privacy-content h1{font-size:clamp(2.2rem,5vw,3.5rem);margin-bottom:24px}.privacy-content h2{margin:32px 0 12px;font-size:1.3rem}.privacy-content p{color:var(--text-secondary);margin:14px 0}.privacy-content a{color:var(--cyan);text-decoration:underline}
.tool-main{padding:132px 0 64px}.tool-intro{max-width:760px;margin-bottom:32px}.tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.tool-panel{border:1px solid var(--border);border-radius:12px;padding:28px;background:var(--bg-card)}.tool-panel h2{font-size:1.35rem;margin-bottom:20px}
.tool-result{background:#0a2c2d;border:1px solid #357d79;padding:22px;border-radius:8px;margin-top:22px}.tool-result:empty{display:none}.tool-result p{margin:6px 0}.result-value{font-size:1.6rem;color:var(--cyan);font-weight:600}
.tool-notes h2{font-size:1.3rem;margin:24px 0 12px}.tool-notes h2:first-child{margin-top:0}.tool-notes p,.tool-notes li{color:var(--text-secondary);font-size:.94rem}.tool-notes ul{padding-left:18px}.tool-notes li{margin:8px 0}.tool-notes .btn-secondary{margin-top:24px}.tool-error{color:#ffb5b5;margin:16px 0}
@media(max-width:960px){.navbar-logo img{width:180px}.navbar-links{gap:20px}.work-grid{gap:32px}.contact-wrapper{gap:32px}.process-timeline{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:768px){
.container{width:calc(100% - 40px)}section{padding:48px 0}html{scroll-padding-top:88px}.navbar .container{min-height:72px}.navbar-logo img{width:184px}.hamburger{display:flex}
.navbar-links{display:none}.js-ready .navbar-links{display:flex;position:fixed;inset:72px 0 0;background:#0b1220;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:12px;padding:32px 24px;overflow-y:auto;visibility:hidden;pointer-events:none}
.js-ready .navbar-links.active{visibility:visible;pointer-events:auto}.navbar-links a{font-size:1.15rem;min-height:52px;padding:12px}.navbar-links .navbar-cta{justify-content:center;margin-top:12px}
body.menu-open{overflow:hidden}body.has-menu:not(.js-ready) .navbar{position:static}body.has-menu:not(.js-ready) .navbar .container{flex-wrap:wrap;padding-block:14px}body.has-menu:not(.js-ready) .hamburger{display:none}body.has-menu:not(.js-ready) .navbar-links{display:flex;width:100%;flex-wrap:wrap;gap:8px}body.has-menu:not(.js-ready) .navbar-links a{font-size:.9rem;padding:4px}
.hero{padding:116px 0 48px}body.has-menu:not(.js-ready) .hero{padding-top:48px}.hero-title{font-size:clamp(2.45rem,8vw,3.5rem);letter-spacing:-1px}.hero-subtitle{font-size:1rem}.hero-promises{flex-direction:column;gap:6px;margin-top:24px}
.work-grid,.services-grid,.contact-wrapper,.tool-layout{grid-template-columns:1fr}.work-grid{gap:28px}.work-preview-label{font-size:.72rem;padding:10px 12px}.service-card{padding:22px}.service-card h3{font-size:1.25rem}.tools-callout{align-items:start;flex-direction:column;padding:20px;gap:16px}
.process-timeline{gap:24px 20px}.about-strip{grid-template-columns:1fr;gap:14px;margin-top:30px;padding-top:24px}.contact-wrapper{gap:28px}.contact-form{padding:22px}.form-row{grid-template-columns:1fr;gap:0}
.footer-content{flex-direction:column;gap:20px}.footer-links{justify-content:flex-start;gap:4px 20px}.privacy-main,.tool-main{padding:112px 0 48px}.tool-panel{padding:22px}
}
@media(max-width:360px){.navbar-logo img{width:166px}.hero-buttons{flex-direction:column}.hero-buttons a{width:100%}.process-timeline{grid-template-columns:1fr}.form-group select{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

@media(max-width:768px){.navbar .container > .btn-secondary{padding:10px 14px;min-height:44px;font-size:.85rem}}
.navbar .container > .navbar-cta{display:inline-flex;align-items:center;min-height:44px;padding:10px 18px;border-radius:8px;color:#0b1220;background:#24d8cb;font-size:.85rem;font-weight:600}

.btn-primary,.btn-secondary{gap:8px}

/* Services demonstrations and beam bending explorer. */
[hidden]{display:none!important}
.demo-examples{padding:0;margin-top:40px;scroll-margin-top:96px}.demo-examples .section-header{margin-bottom:24px}.demo-examples h3{font-size:1.7rem;margin-bottom:12px}.demo-examples .section-header p{max-width:680px;color:var(--text-secondary)}
.demo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.demo-card{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--bg-card);display:flex;flex-direction:column}.demo-image{border-bottom:1px solid var(--border);background:#0b1220}.demo-image img{width:100%;aspect-ratio:16/9;object-fit:cover}.demo-card-copy{padding:24px;display:flex;flex-direction:column;flex:1}.demo-card h4{font:600 1.3rem/1.25 var(--font-heading);margin:10px 0 12px}.demo-card p{color:var(--text-secondary);font-size:.94rem;margin-bottom:18px}.demo-card .service-link{padding-top:0}.demo-card .demo-tag{align-self:start}
.beam-heading{display:flex;gap:24px;justify-content:space-between;align-items:start}.beam-heading>div{max-width:790px}.beam-heading>a{flex-shrink:0;margin-top:24px}.beam-model-note{font-size:.85rem;color:var(--text-secondary);margin:0 0 28px}.beam-model-note a,.beam-method a,.beam-closing a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.beam-workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:24px;align-items:start}.beam-workspace h2{font-size:1.25rem}.beam-editor{border:1px solid var(--border);border-radius:12px;background:var(--bg-card);min-width:0}.beam-editor>summary{padding:16px 20px;font-weight:600;cursor:pointer;font-family:var(--font-heading);font-size:1.2rem;border-bottom:1px solid var(--border)}
.beam-editor fieldset{border:0;min-width:0}.beam-settings,.beam-loads{padding:20px;border-bottom:1px solid var(--border)}.beam-settings h2{margin-bottom:18px}.beam-settings .form-row{gap:12px}.beam-settings .form-group{margin-bottom:14px}.beam-settings .form-group label{font-size:.8rem}.beam-settings input,.beam-settings select{padding:10px;font-size:16px;min-width:0}.beam-small{font-size:.79rem;line-height:1.6;color:var(--text-secondary)}.beam-subhead{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-bottom:8px}.beam-text-button{border:0;background:none;color:var(--cyan);text-decoration:underline;text-underline-offset:3px;font-size:.8rem;cursor:pointer;min-height:44px;padding:8px 0}
.beam-load-row{margin-top:18px;padding:16px 12px;border:1px solid #42576d;border-radius:8px;background:#0f1b2a}.beam-load-row .beam-subhead{margin-bottom:10px}.beam-load-row h3{font-size:.97rem}.beam-remove{color:#ffb5b5;min-height:44px;padding:8px;border:1px solid #75575c;border-radius:5px;background:none;font-size:.75rem;cursor:pointer}
.beam-load-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.beam-load-fields .form-group{margin:0}.beam-load-fields label{font-size:.74rem;line-height:1.4;min-height:32px}.beam-load-fields input,.beam-load-fields select{padding:9px 8px;min-width:0;font-size:16px}.beam-load-fields select{font-size:.85rem}
.beam-add-buttons{display:flex;flex-direction:column;gap:8px;margin-top:18px}.beam-add-buttons button{font-size:.82rem;min-height:44px;padding:10px 12px}.beam-actions{padding:20px;display:flex;flex-direction:column;gap:8px}.beam-status{font-size:.84rem;color:var(--text-secondary);padding:0 20px 20px}.beam-status.is-error{color:#ffb5b5}.beam-status:empty{display:none}
.beam-results{min-width:0;scroll-margin-top:96px}.beam-result-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}.beam-result-header button{font-size:.8rem;padding:10px 14px;min-height:44px}.beam-result-header button:disabled{opacity:.45;cursor:not-allowed}.beam-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}.beam-metrics>div{border:1px solid var(--border);border-radius:8px;background:var(--bg-card);padding:14px 12px}.beam-metrics span,.beam-metrics small{display:block;color:var(--text-secondary);font-size:.72rem;line-height:1.5}.beam-metrics strong{display:block;color:var(--cyan);font:600 1.25rem/1.3 var(--font-heading);margin:8px 0}
.beam-warning{border:1px solid #92754a;color:#ffd19b;background:#2b2117;padding:12px 14px;margin-bottom:16px;border-radius:8px;font-size:.82rem}
.beam-figure{border:1px solid var(--border);border-radius:10px;padding:16px;background:#101b2a;margin:16px 0;min-width:0}.beam-figure figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}.beam-figure h3{font-size:1rem}.beam-figure figcaption span{font-size:.7rem;color:var(--text-secondary)}.beam-figure svg{display:block;width:100%;height:220px;overflow:visible}.beam-figure #beamSketch{height:250px}.beam-svg-text{fill:#b8c7d6;font-family:Inter,Arial,sans-serif;font-size:11px}.beam-svg-label{fill:#f4f8fc;font-family:Inter,Arial,sans-serif;font-size:11px;font-weight:600}
.beam-reactions{display:flex;gap:8px 20px;flex-wrap:wrap;font-size:.82rem;color:var(--text-secondary);padding:0 4px 8px}.beam-reactions strong{color:var(--text-primary)}
.beam-inspector{padding:16px;border:1px solid var(--border);border-radius:10px;margin:16px 0;background:var(--bg-card)}.beam-inspector>label{font-weight:600;font-size:.9rem}.beam-inspect-controls{display:grid;grid-template-columns:minmax(0,1fr) 110px;gap:18px;align-items:center;margin-top:10px}.beam-inspect-controls input[type=range]{width:100%;accent-color:var(--cyan);height:44px}.beam-inspect-controls input[type=number]{width:100%;min-height:44px;background:#0b1220;color:var(--text-primary);border:1px solid #6c8196;border-radius:6px;padding:8px;font-size:16px}
.beam-inspection-table{width:100%;border-collapse:collapse;font-size:.76rem;margin-top:12px}.beam-inspection-table caption{text-align:left;font-size:.7rem;color:var(--text-secondary);margin-bottom:8px}.beam-inspection-table th,.beam-inspection-table td{text-align:right;padding:8px 4px;border-bottom:1px solid var(--border)}.beam-inspection-table th:first-child{text-align:left}.beam-inspection-table thead th{color:var(--text-secondary);font-weight:500}
.beam-method{margin-top:28px;border:1px solid var(--border);border-radius:10px;background:var(--bg-card)}.beam-method summary{padding:18px 20px;font-weight:600;cursor:pointer;font-size:.95rem}.beam-method>div{padding:0 20px 20px;color:var(--text-secondary);font-size:.85rem}.beam-method p{margin:12px 0}.beam-method ul{padding-left:20px}.beam-method li{margin:8px 0}.beam-closing{margin-top:24px;color:var(--text-secondary);font-size:.9rem}
@media(max-width:960px){.beam-workspace{grid-template-columns:300px minmax(0,1fr)}.beam-metrics{grid-template-columns:1fr}.beam-metrics>div{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.beam-metrics strong{margin:0;text-align:right}.beam-metrics small{grid-column:1/-1}}
@media(max-width:900px){.beam-workspace{grid-template-columns:1fr}.beam-heading{flex-direction:column;gap:16px}.beam-heading>a{margin-top:0;margin-bottom:20px}.beam-settings .form-row{grid-template-columns:1fr 1fr}.beam-load-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.beam-add-buttons{flex-direction:row;flex-wrap:wrap}.beam-add-buttons button{flex:1 1 160px}.beam-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.beam-metrics>div{display:block}.beam-metrics strong{margin:8px 0;text-align:left}.beam-actions{flex-direction:row;align-items:center;justify-content:space-between}.beam-status{padding-bottom:20px}}
@media(max-width:768px){.demo-grid{grid-template-columns:1fr}.demo-card-copy{padding:20px}.demo-examples{margin-top:32px}.beam-heading .section-title{font-size:2.2rem}.beam-model-note{margin-top:8px}.beam-figure{padding:12px}.beam-metrics{grid-template-columns:1fr}.beam-metrics>div{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.beam-metrics strong{margin:0;text-align:right}.beam-metrics small{grid-column:1/-1}.beam-load-fields label{min-height:0}.beam-figure svg{height:220px}.beam-figure #beamSketch{height:250px}.beam-inspection-table{font-size:.7rem}.beam-inspector{padding:12px}.beam-settings,.beam-loads{padding:18px}.beam-editor>summary{padding:16px 18px}}

/* Services demonstrations and beam bending explorer. */
[hidden]{display:none!important}
.demo-examples{padding:0;margin-top:40px;scroll-margin-top:96px}.demo-examples .section-header{margin-bottom:24px}.demo-examples h3{font-size:1.7rem;margin-bottom:12px}.demo-examples .section-header p{max-width:680px;color:var(--text-secondary)}
.demo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.demo-card{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--bg-card);display:flex;flex-direction:column}.demo-image{border-bottom:1px solid var(--border);background:#0b1220}.demo-image img{width:100%;aspect-ratio:16/9;object-fit:cover}.demo-card-copy{padding:24px;display:flex;flex-direction:column;flex:1}.demo-card h4{font:600 1.3rem/1.25 var(--font-heading);margin:10px 0 12px}.demo-card p{color:var(--text-secondary);font-size:.94rem;margin-bottom:18px}.demo-card .service-link{padding-top:0}.demo-card .demo-tag{align-self:start}
.beam-heading{display:flex;gap:24px;justify-content:space-between;align-items:start}.beam-heading>div{max-width:790px}.beam-heading>a{flex-shrink:0;margin-top:24px}.beam-model-note{font-size:.85rem;color:var(--text-secondary);margin:0 0 28px}.beam-model-note a,.beam-method a,.beam-closing a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.beam-workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:24px;align-items:start}.beam-workspace h2{font-size:1.25rem}.beam-editor{border:1px solid var(--border);border-radius:12px;background:var(--bg-card);min-width:0}.beam-editor>summary{padding:16px 20px;font-weight:600;cursor:pointer;font-family:var(--font-heading);font-size:1.2rem;border-bottom:1px solid var(--border)}
.beam-editor fieldset{border:0;min-width:0}.beam-settings,.beam-loads{padding:20px;border-bottom:1px solid var(--border)}.beam-settings h2{margin-bottom:18px}.beam-settings .form-row{gap:12px}.beam-settings .form-group{margin-bottom:14px}.beam-settings .form-group label{font-size:.8rem}.beam-settings input,.beam-settings select{padding:10px;font-size:16px;min-width:0}.beam-small{font-size:.79rem;line-height:1.6;color:var(--text-secondary)}.beam-subhead{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-bottom:8px}.beam-text-button{border:0;background:none;color:var(--cyan);text-decoration:underline;text-underline-offset:3px;font-size:.8rem;cursor:pointer;min-height:44px;padding:8px 0}
.beam-load-row{margin-top:18px;padding:16px 12px;border:1px solid #42576d;border-radius:8px;background:#0f1b2a}.beam-load-row .beam-subhead{margin-bottom:10px}.beam-load-row h3{font-size:.97rem}.beam-remove{color:#ffb5b5;min-height:44px;padding:8px;border:1px solid #75575c;border-radius:5px;background:none;font-size:.75rem;cursor:pointer}
.beam-load-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.beam-load-fields .form-group{margin:0}.beam-load-fields label{font-size:.74rem;line-height:1.4;min-height:32px}.beam-load-fields input,.beam-load-fields select{padding:9px 8px;min-width:0;font-size:16px}.beam-load-fields select{font-size:.85rem}
.beam-add-buttons{display:flex;flex-direction:column;gap:8px;margin-top:18px}.beam-add-buttons button{font-size:.82rem;min-height:44px;padding:10px 12px}.beam-actions{padding:20px;display:flex;flex-direction:column;gap:8px}.beam-status{font-size:.84rem;color:var(--text-secondary);padding:0 20px 20px}.beam-status.is-error{color:#ffb5b5}.beam-status:empty{display:none}
.beam-results{min-width:0;scroll-margin-top:96px}.beam-result-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}.beam-result-header button{font-size:.8rem;padding:10px 14px;min-height:44px}.beam-result-header button:disabled{opacity:.45;cursor:not-allowed}.beam-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}.beam-metrics>div{border:1px solid var(--border);border-radius:8px;background:var(--bg-card);padding:14px 12px}.beam-metrics span,.beam-metrics small{display:block;color:var(--text-secondary);font-size:.72rem;line-height:1.5}.beam-metrics strong{display:block;color:var(--cyan);font:600 1.25rem/1.3 var(--font-heading);margin:8px 0}
.beam-warning{border:1px solid #92754a;color:#ffd19b;background:#2b2117;padding:12px 14px;margin-bottom:16px;border-radius:8px;font-size:.82rem}
.beam-figure{border:1px solid var(--border);border-radius:10px;padding:16px;background:#101b2a;margin:16px 0;min-width:0}.beam-figure figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}.beam-figure h3{font-size:1rem}.beam-figure figcaption span{font-size:.7rem;color:var(--text-secondary)}.beam-figure svg{display:block;width:100%;height:220px;overflow:visible}.beam-figure #beamSketch{height:250px}.beam-svg-text{fill:#b8c7d6;font-family:Inter,Arial,sans-serif;font-size:11px}.beam-svg-label{fill:#f4f8fc;font-family:Inter,Arial,sans-serif;font-size:11px;font-weight:600}
.beam-reactions{display:flex;gap:8px 20px;flex-wrap:wrap;font-size:.82rem;color:var(--text-secondary);padding:0 4px 8px}.beam-reactions strong{color:var(--text-primary)}
.beam-inspector{padding:16px;border:1px solid var(--border);border-radius:10px;margin:16px 0;background:var(--bg-card)}.beam-inspector>label{font-weight:600;font-size:.9rem}.beam-inspect-controls{display:grid;grid-template-columns:minmax(0,1fr) 110px;gap:18px;align-items:center;margin-top:10px}.beam-inspect-controls input[type=range]{width:100%;accent-color:var(--cyan);height:44px}.beam-inspect-controls input[type=number]{width:100%;min-height:44px;background:#0b1220;color:var(--text-primary);border:1px solid #6c8196;border-radius:6px;padding:8px;font-size:16px}
.beam-inspection-table{width:100%;border-collapse:collapse;font-size:.76rem;margin-top:12px}.beam-inspection-table caption{text-align:left;font-size:.7rem;color:var(--text-secondary);margin-bottom:8px}.beam-inspection-table th,.beam-inspection-table td{text-align:right;padding:8px 4px;border-bottom:1px solid var(--border)}.beam-inspection-table th:first-child{text-align:left}.beam-inspection-table thead th{color:var(--text-secondary);font-weight:500}
.beam-method{margin-top:28px;border:1px solid var(--border);border-radius:10px;background:var(--bg-card)}.beam-method summary{padding:18px 20px;font-weight:600;cursor:pointer;font-size:.95rem}.beam-method>div{padding:0 20px 20px;color:var(--text-secondary);font-size:.85rem}.beam-method p{margin:12px 0}.beam-method ul{padding-left:20px}.beam-method li{margin:8px 0}.beam-closing{margin-top:24px;color:var(--text-secondary);font-size:.9rem}
@media(max-width:960px){.beam-workspace{grid-template-columns:300px minmax(0,1fr)}.beam-metrics{grid-template-columns:1fr}.beam-metrics>div{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.beam-metrics strong{margin:0;text-align:right}.beam-metrics small{grid-column:1/-1}}
@media(max-width:900px){.beam-workspace{grid-template-columns:1fr}.beam-heading{flex-direction:column;gap:16px}.beam-heading>a{margin-top:0;margin-bottom:20px}.beam-settings .form-row{grid-template-columns:1fr 1fr}.beam-load-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.beam-add-buttons{flex-direction:row;flex-wrap:wrap}.beam-add-buttons button{flex:1 1 160px}.beam-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.beam-metrics>div{display:block}.beam-metrics strong{margin:8px 0;text-align:left}.beam-actions{flex-direction:row;align-items:center;justify-content:space-between}.beam-status{padding-bottom:20px}}
@media(max-width:768px){.demo-grid{grid-template-columns:1fr}.demo-card-copy{padding:20px}.demo-examples{margin-top:32px}.beam-heading .section-title{font-size:2.2rem}.beam-model-note{margin-top:8px}.beam-figure{padding:12px}.beam-metrics{grid-template-columns:1fr}.beam-metrics>div{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.beam-metrics strong{margin:0;text-align:right}.beam-metrics small{grid-column:1/-1}.beam-load-fields label{min-height:0}.beam-figure svg{height:220px}.beam-figure #beamSketch{height:250px}.beam-inspection-table{font-size:.7rem}.beam-inspector{padding:12px}.beam-settings,.beam-loads{padding:18px}.beam-editor>summary{padding:16px 18px}}

.demo-card .service-link{margin-top:auto}
@media(max-width:360px){.beam-page .navbar-logo img{width:145px}.beam-page .navbar .btn-secondary{white-space:nowrap;padding:10px 12px}.beam-page .navbar .container{gap:12px}}

.demo-card h2{font-size:1.3rem;margin:10px 0 12px}

/* Three examples under Services. */
.demo-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:960px){.demo-grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:768px){.demo-grid--three{grid-template-columns:1fr}}

/* Four examples beneath Services. */
.demo-grid--four{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:768px){.demo-grid--four{grid-template-columns:1fr}}