*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:#fff;background:#fff}a{text-decoration:none;color:inherit}:root{--black:#040b11;--navy:#06131e;--yellow:#ffc400;--blue:#008cff;--line:#8d969d}
.header{height:76px;background:#040b11;border-bottom:2px solid #1d2b35;display:flex;align-items:center;padding:6px 3.2%;position:sticky;top:0;z-index:100}.logo img{width:198px;display:block}.nav{margin-left:auto;display:flex;align-items:center;gap:27px}.nav a{display:flex;flex-direction:column;align-items:center;text-align:center;line-height:1.05;padding:8px 0;border-bottom:3px solid transparent}.nav a:hover,.nav a:first-child{border-bottom-color:var(--yellow)}.nav b{font-size:11px}.nav small{font-size:9px;color:var(--yellow);font-weight:900;margin-top:4px}.langs{display:flex;margin-left:5px}.langs button{height:29px;min-width:40px;background:transparent;color:#fff;border:1px solid #899199;font-weight:900}.langs .active{background:var(--yellow);color:#111;border-color:var(--yellow)}.hamburger{display:none;background:none;color:#fff;border:0;font-size:26px}
.hero{height:390px;position:relative;overflow:hidden}.hero-image{position:absolute;inset:0;background-image:url('assets/hero-desktop.jpg');background-size:cover;background-position:72% center;background-repeat:no-repeat}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,7,11,.92) 0%,rgba(2,7,11,.73) 37%,rgba(2,7,11,.17) 72%,rgba(2,7,11,.03))}.hero-inner{position:relative;z-index:2;padding:27px 5%;max-width:780px}.hero h1{font-size:47px;line-height:.91;letter-spacing:-1.8px;margin:0;font-weight:900}.hero h1 em{font-style:normal;color:var(--yellow)}.rule{width:95px;height:4px;background:var(--yellow);margin:12px 0 8px}.hero p{margin:0 0 2px;font-size:14px;line-height:1.35}.hero .es{font-size:12px}.hero-actions{display:flex;gap:13px;margin-top:15px}.button{min-width:187px;height:43px;border:2px solid var(--yellow);display:flex;align-items:center;gap:8px;padding:6px 10px;text-transform:uppercase}.button strong{font-size:10px;line-height:1.05;display:flex;flex-direction:column;flex:1}.button small{font-size:8px;color:var(--yellow);margin-top:3px}.button b{font-size:22px;font-weight:400}.button.yellow{background:var(--yellow);color:#111}.button.yellow small{color:#111}.button.outline{background:rgba(0,0,0,.5);color:#fff}.button .mini{font-size:20px}.button .arrow{font-size:22px}
.quickbar{height:76px;background:#07131d;display:grid;grid-template-columns:repeat(5,1fr);border-bottom:3px solid var(--yellow)}.quick{display:flex;align-items:center;justify-content:center;gap:11px;border-right:1px solid #69737b}.quick:last-child{border:0}.quick.selected{box-shadow:inset 0 -4px 0 var(--blue)}.qicon{font-size:31px}.quick b{display:block;font-size:11px}.quick small{display:block;color:var(--yellow);font-size:8px;font-weight:900;margin-top:4px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:15px 3.2%;max-width:1500px;margin:auto}.card{background:#06131e;border-radius:3px;overflow:hidden;box-shadow:0 2px 7px #9ca5aa;color:#fff}.photo{height:128px;background-size:cover;background-position:center}.industrial{background-image:url('assets/industrial-desktop.jpg')}.commercial{background-image:url('assets/commercial-desktop.jpg')}.residential{background-image:url('assets/residential-desktop.jpg')}.card-content{padding:0 17px 11px}.card-head{display:flex;align-items:center;gap:9px;margin-top:-27px;position:relative}.circle{width:54px;height:54px;border-radius:50%;background:#07131d;border:2px solid var(--yellow);display:grid;place-items:center;color:var(--yellow);font-size:27px;flex:none}.circle.blue{border-color:var(--blue);color:var(--blue)}.card h2{font-size:14px;margin:0;font-weight:900}.card-head small{color:var(--yellow);font-size:9px;font-weight:900}.card ul{list-style:none;margin:8px 0 8px;padding:0}.card li{font-size:9.5px;line-height:1.43;margin:2px 0;padding-left:17px;position:relative}.card li:before{content:"✓";position:absolute;left:0;top:1px;width:12px;height:12px;line-height:12px;text-align:center;background:var(--yellow);border-radius:50%;color:#111;font-size:8px;font-weight:900}.card li span{color:#fff}.learn{width:145px;height:36px;border:2px solid var(--yellow);display:flex;align-items:center;justify-content:center;gap:6px;margin:5px auto 0;font-size:9px;font-weight:900}.learn small{display:block;color:var(--yellow);font-size:7px}.learn b{font-size:19px;font-weight:400;margin-left:auto;margin-right:5px}
.feature{display:grid;grid-template-columns:28% 25% 47%;min-height:192px;border-top:1px solid #d6dde2}.feature-photo{background-image:url('assets/construction-desktop.jpg');background-size:cover;background-position:68% center;background-repeat:no-repeat}.feature-copy{background:#06131e;padding:13px 22px}.feature-copy h2{font-size:17px;line-height:1.03;margin:0}.feature-copy h2 strong{color:var(--yellow)}.feature-copy>small{display:block;color:var(--yellow);font-size:8px;font-weight:900;margin:3px 0 8px}.feature-copy p{font-size:8.5px;line-height:1.32;margin:4px 0;color:#e4e9ed}.learn-left{margin:7px 0 0;background:var(--yellow);color:#111;border:0}.learn-left small{color:#111}.why{background:#fff;color:#10151b;padding:10px 8px}.why>h2{text-align:center;font-size:15px;margin:0;font-weight:900}.why>small{display:block;text-align:center;color:#e1a700;font-size:8px;font-weight:900;margin:2px 0 7px}.why-grid{display:grid;grid-template-columns:repeat(6,1fr);height:140px}.why-grid>div{text-align:center;border-right:1px solid #d1dbe2;padding:3px 3px}.why-grid>div:last-child{border:0}.why-grid i{display:block;font-style:normal;font-size:27px;height:34px;line-height:34px;color:#06131e}.why-grid>div:nth-child(2) i,.why-grid>div:nth-child(6) i{color:var(--yellow)}.why-grid>div:nth-child(3) i,.why-grid>div:nth-child(4) i{color:#0072c9}.why-grid b{display:block;font-size:7.5px;line-height:1.04}.why-grid small{display:block;color:#d69d00;font-size:7px;line-height:1.03;margin-top:5px}
.serving{min-height:67px;background:#06131e;display:flex;align-items:center;padding:6px 3.5%;gap:12px;border-top:2px solid #cfd5da;border-bottom:2px solid #293640;background-image:linear-gradient(90deg,rgba(4,12,18,.97),rgba(4,12,18,.68)),url('assets/colorado-desktop.jpg');background-size:cover;background-position:center}.mountain{font-size:38px;color:var(--blue)}.serving-title{padding-right:20px;border-right:1px solid #879098}.serving-title b{display:block;font-size:14px}.serving-title small{color:var(--yellow);font-size:8px;font-weight:900}.serving-copy{font-size:8px;line-height:1.25;flex:1}.serving-copy span{color:var(--yellow)}.quote-today{background:var(--yellow);color:#111;min-width:195px;height:39px;display:flex;align-items:center;justify-content:center;gap:4px;font-size:10px;font-weight:900}.quote-today small{font-size:7px;display:block}.quote-today b{font-size:20px;font-weight:400;margin-left:5px}
.contact{background:#06131e;display:grid;grid-template-columns:22% 78%;padding:13px 3.5%;border-bottom:1px solid #7c8790}.contact-intro{padding-right:20px}.contact-intro h2{font-size:16px;line-height:1.02;margin:0 0 4px}.contact-intro strong{color:var(--yellow);font-size:10px;line-height:1}.contact-intro p{font-size:8px;line-height:1.35;color:#dbe0e4}.form{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.form label{font-size:7px;font-weight:800;margin:0 0 6px;display:block}.form input,.form select,.form textarea{width:100%;height:25px;margin-top:3px;padding:4px 6px;border:1px solid #bcc4c9;border-radius:2px;font:inherit;font-size:8px}.form textarea{height:43px;resize:vertical}.form input[type=file]{height:27px;background:#fff}.submit{height:38px;width:100%;background:var(--yellow);border:0;color:#111;font-size:9px;font-weight:900;cursor:pointer}.submit small{display:block;font-size:7px}.form-message{font-size:7px;color:var(--yellow);margin:3px 0}
.footer{background:#040b11;display:grid;grid-template-columns:1.3fr 1fr 1fr .9fr 1.2fr;gap:18px;padding:10px 3.5% 5px;color:#fff}.footer-brand img{width:122px}.footer-brand>b{display:block;font-size:10px;line-height:1.05;margin-top:4px}.footer-brand>b span{color:var(--yellow)}.footer h4{font-size:7px;margin:0 0 4px}.footer a,.footer p{display:block;color:#bfc6cb;font-size:7px;margin:2px 0}.social{display:flex;gap:5px}.social span{width:19px;height:19px;border:1px solid #dfe4e8;border-radius:50%;display:grid;place-items:center;font-size:8px}.copyright{grid-column:1/-1;border-top:1px solid #5c6871;padding-top:4px;font-size:6.5px;color:#8f999f;display:flex;justify-content:space-between}
@media(min-width:1101px) and (max-width:1300px){.nav{gap:17px}.nav b{font-size:10px}.hero h1{font-size:43px}.card li{font-size:8.7px}.cards{gap:13px}}
@media(max-width:900px){.header{height:70px}.logo img{width:165px}.nav{gap:12px}.nav b{font-size:9px}.nav small{font-size:7px}.hero{height:370px}.hero h1{font-size:40px}.cards{gap:10px;padding:12px}.card li{font-size:8px}.feature{grid-template-columns:34% 27% 39%}.why-grid b{font-size:6.5px}.why-grid small{font-size:6px}.contact{grid-template-columns:25% 75%}.footer{gap:9px}}
@media(max-width:700px){.header{padding:7px 5%;height:64px}.logo img{width:145px}.hamburger{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;background:#040b11;flex-direction:column;align-items:stretch;padding:10px 7%;gap:0;border-bottom:2px solid var(--yellow)}.nav.open{display:flex}.nav a{align-items:flex-start;padding:9px 0}.langs{margin:9px 0}.hero{height:525px}.hero-image{background-position:68% center}.hero-inner{padding:42px 6%}.hero h1{font-size:37px}.hero p{font-size:12px}.desktop{display:none}.hero-actions{flex-direction:column;width:285px}.quickbar{height:auto;grid-template-columns:1fr 1fr}.quick{min-height:64px}.quick:last-child{grid-column:1/-1}.cards{grid-template-columns:1fr;padding:10px 4%}.photo{height:170px}.card-content{padding:0 18px 14px}.card li{font-size:10px}.feature{grid-template-columns:1fr}.feature-photo{min-height:220px}.feature-copy{padding:18px}.why{padding:15px 8px}.why-grid{height:auto;grid-template-columns:repeat(3,1fr)}.why-grid>div{min-height:100px;border-bottom:1px solid #d1dbe2}.serving{flex-wrap:wrap;padding:10px 5%}.serving-copy{width:100%}.quote-today{width:100%}.contact{grid-template-columns:1fr;padding:18px 5%}.form{grid-template-columns:1fr;gap:0}.form label{font-size:9px;margin-bottom:9px}.form input,.form select,.form textarea{height:36px;font-size:11px}.form textarea{height:65px}.submit{height:44px}.footer{grid-template-columns:1fr 1fr;padding:18px 5%}.footer-brand{grid-column:1/-1}.copyright{display:block;line-height:1.5}.copyright span{display:block;margin-top:3px}}
/* Language system: only one language is visible at a time */
body.lang-en .es, body.lang-es .en { display:none !important; }
body.lang-en .en, body.lang-es .es { }
.nav a {font-size:11px;font-weight:900;}
.quick b {font-size:11px;}
.card h2 {line-height:1.1;}
.serving-copy .en,.serving-copy .es {color:#fff;}
.footer .en,.footer .es {color:inherit;}
/* v3 language switch — deterministic, no dependency on storage */
body.lang-en .es { display:none !important; }
body.lang-es .en { display:none !important; }
body:not(.lang-es) .es { display:none !important; }
.langs button { cursor:pointer; position:relative; z-index:1001; }
.langs button:focus-visible { outline:2px solid #fff; outline-offset:2px; }
/* v4 responsive photo system */
.photo{
background-size:cover;
background-repeat:no-repeat;
background-position:center center;
}
.industrial{background-position:38% center;}
.commercial{background-position:50% center;}
.residential{background-position:58% center;}
@media (max-width:700px){
.hero-image{
background-image:url('assets/hero-mobile.jpg');
background-position:62% center;
}
.industrial{
background-image:url('assets/industrial-mobile.jpg');
background-position:34% center;
}
.commercial{
background-image:url('assets/commercial-mobile.jpg');
background-position:50% center;
}
.residential{
background-image:url('assets/residential-mobile.jpg');
background-position:56% center;
}
.feature-photo{
background-image:url('assets/construction-mobile.jpg');
background-position:70% center;
}
.serving{
background-image:
linear-gradient(90deg,rgba(4,12,18,.97),rgba(4,12,18,.70)),
url('assets/colorado-mobile.jpg');
background-position:center;
}
}
/* v5 functional contact form */
.hp-field{
position:absolute!important;
left:-10000px!important;
width:1px!important;
height:1px!important;
overflow:hidden!important;
}
.form-message{
min-height:22px;
margin-top:10px;
font-size:13px;
line-height:1.4;
}
.form-message.success{color:#e5bf14;}
.form-message.error{color:#ff8b8b;}
.submit[disabled]{
opacity:.65;
cursor:not-allowed;
}
/* MST Electric — telephone in upper-right header */
.header-phone{display:inline-flex;align-items:center;justify-content:center;gap:7px;margin-left:18px;flex-shrink:0;color:#ffca1b;text-decoration:none;font-size:13px;font-weight:800;white-space:nowrap;border:1px solid rgba(255,202,27,.48);border-radius:6px;padding:9px 10px;line-height:1.1;transition:background .2s,color .2s}
.header-phone svg{width:17px;height:17px;flex-shrink:0}
.header-phone:hover,.header-phone:focus-visible{background:#ffca1b;color:#07111b}
@media(max-width:1350px){.nav{gap:13px}.header-phone{margin-left:10px;font-size:12px;padding:8px}}
@media(min-width:701px) and (max-width:1120px){.logo img{width:145px}.nav{gap:8px}.nav a{font-size:9px}.header-phone{font-size:11px;padding:7px 6px;margin-left:7px}.header-phone svg{width:14px;height:14px}}
@media(max-width:700px){.header-phone{margin-left:auto;margin-right:12px;font-size:11px;padding:7px 8px;gap:5px}.header-phone svg{width:14px;height:14px}.hamburger{order:1;flex-shrink:0;margin-right:12px;cursor:pointer}.logo{order:2;flex-shrink:0}.header-phone{order:3;margin-left:auto;margin-right:0}}
@media(max-width:370px){.logo img{width:120px}.header-phone{font-size:10px;margin-right:8px;padding:6px}}
/* Mobile: navigation button on the left, before the MST Electric logo. */
@media(max-width:700px){.header{justify-content:flex-start}.hamburger{order:1}.logo{order:2}.header-phone{order:3}}
/* v7: Header fixes - explicit icon sizing and responsive layout */
.header{display:flex;align-items:center;gap:0;min-width:0}
.header .logo{display:block;flex:0 0 auto;order:1}
.header .nav{order:2;min-width:0}
.header .header-phone{order:3;display:inline-flex;position:static;align-self:center;align-items:center;justify-content:center;gap:7px;flex:0 0 auto;margin-left:20px;margin-right:0;padding:9px 11px;max-width:100%;white-space:nowrap;font-size:13px;line-height:1.15;color:#ffca1b;border:1px solid rgba(255,202,27,.55);border-radius:6px;background:transparent;text-decoration:none}
.header .header-phone svg{display:block;position:static;width:17px!important;height:17px!important;min-width:17px;max-width:17px;max-height:17px;flex:0 0 17px;stroke:currentColor;overflow:visible}
.header .header-phone span{display:inline;white-space:nowrap;font-size:inherit;line-height:inherit}
.header .hamburger{order:4}
@media (min-width:701px) and (max-width:1450px){
.header{padding-left:2%;padding-right:2%}
.header .logo img{width:clamp(135px,12vw,190px)}
.header .nav{gap:clamp(7px,1.05vw,18px)}
.header .nav a{font-size:clamp(8px,.8vw,11px)}
.header .header-phone{margin-left:clamp(8px,1vw,14px);font-size:clamp(10px,.9vw,12px);padding:8px}
}
@media(max-width:1050px) and (min-width:701px){
.header .nav{gap:7px}
.header .nav a{font-size:8px}
.header .logo img{width:125px}
.header .header-phone{font-size:10px;padding:6px;margin-left:6px}
.header .header-phone svg{width:14px!important;height:14px!important;min-width:14px;max-width:14px;max-height:14px;flex-basis:14px}
}
@media(max-width:700px){
.header{height:64px;display:flex;justify-content:flex-start;align-items:center;gap:10px;padding:7px 4%}
.header .hamburger{order:1;display:flex;align-items:center;justify-content:center;flex:0 0 36px;width:36px;height:40px;padding:0;margin:0;font-size:25px;line-height:1;color:#fff;background:transparent;border:0;cursor:pointer}
.header .logo{order:2;flex:0 1 auto;min-width:0}
.header .logo img{width:clamp(110px,33vw,150px);max-width:100%;height:auto}
.header .nav{order:4;display:none;position:absolute;top:100%;left:0;right:0;width:100%;margin:0;padding:10px 7%;background:#040b11;z-index:101;flex-direction:column;align-items:stretch;gap:0;border-bottom:2px solid var(--yellow)}
.header .nav.open{display:flex}
.header .header-phone{order:3;flex:0 0 auto;margin-left:auto;margin-right:0;padding:6px 7px;gap:5px;font-size:clamp(10px,2.65vw,12px)}
.header .header-phone svg{width:14px!important;height:14px!important;min-width:14px;max-width:14px;max-height:14px;flex-basis:14px}
}
@media(max-width:380px){
.header{gap:6px;padding-left:3%;padding-right:3%}
.header .hamburger{width:30px;flex-basis:30px}
.header .logo img{width:clamp(100px,31vw,120px)}
.header .header-phone{font-size:10px;padding:5px 4px;gap:3px}
.header .header-phone svg{width:12px!important;height:12px!important;min-width:12px;max-width:12px;max-height:12px;flex-basis:12px}
}