:root{
 --bg:#030911; --panel:#07131f; --panel2:#0a1a2a; --line:rgba(255,255,255,.09);
 --text:#f5f8fb; --muted:#9fb2c6; --blue:#0797ff; --orange:#ff7a00; --orange2:#ff5b00;
 --cyan:#31c3ff; --glow:0 0 30px rgba(0,151,255,.18); --shadow:0 18px 60px rgba(0,0,0,.36);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;line-height:1.55}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1220px,92%);margin:auto}
.topline{height:2px;background:linear-gradient(90deg,transparent,var(--blue),var(--orange),transparent)}
nav{position:sticky;top:0;z-index:50;background:rgba(2,8,15,.88);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}
.navin{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.logo{width:255px;filter:drop-shadow(0 0 16px rgba(0,151,255,.12))}
.menu{display:flex;align-items:center;gap:25px;font-weight:700;font-size:.92rem}
.menu a{color:#dfeaf4}.menu a:hover{color:var(--orange)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:13px 19px;font-weight:900;letter-spacing:.02em;transition:.2s}
.btn.primary{border:1px solid var(--orange);color:white;background:rgba(255,122,0,.08);box-shadow:0 0 24px rgba(255,122,0,.15)}
.btn.primary:hover{background:var(--orange);color:#06101a;transform:translateY(-1px)}
.btn.secondary{border:1px solid rgba(49,195,255,.55);color:#dff7ff;background:rgba(0,151,255,.05)}
.mobile{display:none}
.hero{position:relative;min-height:690px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero:before{content:"";position:absolute;inset:0;background:
 linear-gradient(90deg,rgba(1,6,12,.93) 0%,rgba(1,6,12,.74) 42%,rgba(1,6,12,.18) 72%,rgba(1,6,12,.38) 100%),
 url('assets/home-hero-new.jpg') center/cover no-repeat;filter:saturate(.94) contrast(1.05)}
.hero:after{content:"";position:absolute;inset:auto 0 0 0;height:180px;background:linear-gradient(transparent,var(--bg))}
.hero .container{position:relative;z-index:2}
.hero-copy{max-width:700px;padding:110px 0 120px}
.kicker{color:var(--cyan);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;font-weight:900;margin-bottom:18px}
h1{font-size:clamp(3.2rem,6vw,6.3rem);line-height:.92;letter-spacing:-.05em;margin:0 0 22px;text-transform:uppercase}
h1 .hot{color:var(--orange)}
h2{font-size:clamp(2rem,4vw,4.1rem);line-height:1.02;letter-spacing:-.04em;margin:.15em 0 .45em}
h3{font-size:1.22rem;margin:.2em 0 .45em}
.lead{font-size:1.17rem;color:#c7d5e3;max-width:720px}
.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
.hero-pills{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.pill{padding:9px 13px;border:1px solid rgba(255,255,255,.12);border-radius:999px;color:#cfe2f2;background:rgba(2,8,15,.6);font-size:.85rem;font-weight:700}
.section{padding:82px 0}
.section.alt{background:linear-gradient(180deg,#06111d,#030911)}
.section-head{max-width:830px;margin-bottom:36px}
.eyebrow{color:var(--orange);font-size:.82rem;letter-spacing:.15em;text-transform:uppercase;font-weight:900}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{position:relative;background:linear-gradient(180deg,rgba(9,27,43,.95),rgba(5,18,30,.95));border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow);overflow:hidden}
.card:before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:linear-gradient(var(--blue),var(--orange));opacity:.9}
.card p{color:var(--muted)}
.icon{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(49,195,255,.45);color:var(--cyan);box-shadow:0 0 25px rgba(49,195,255,.12);font-weight:900;margin-bottom:18px}
.price-hero{background:radial-gradient(circle at 80% 20%,rgba(0,151,255,.15),transparent 32%),linear-gradient(135deg,#061522,#030911);padding:90px 0 70px;border-bottom:1px solid var(--line)}
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:linear-gradient(180deg,#081827,#05111c);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.panel-title{padding:18px 22px;background:linear-gradient(90deg,#063970,#07569d);font-size:1.15rem;font-weight:900;text-transform:uppercase;letter-spacing:.03em}
.panel-title.orange{background:linear-gradient(90deg,#d94b00,#ff7a00)}
.rate{display:grid;grid-template-columns:1fr auto;gap:20px;padding:17px 22px;border-top:1px solid var(--line);align-items:center}
.rate:first-of-type{border-top:0}
.rate small{display:block;color:var(--muted);margin-top:2px}
.amount{font-size:1.34rem;font-weight:900;color:#bfe8ff;white-space:nowrap}
.orange-text{color:#ff8a25}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px;background:#07131f}
table{width:100%;border-collapse:collapse}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
th{background:#07345f;color:white;text-transform:uppercase;font-size:.84rem;letter-spacing:.04em}
td{color:#d9e5ef}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.project{min-height:230px;padding:30px;border-radius:16px;background:linear-gradient(145deg,#092844,#061522);border:1px solid var(--line);position:relative;overflow:hidden}
.project:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-60px;bottom:-70px;background:radial-gradient(circle,rgba(255,122,0,.35),transparent 64%)}
.project small{color:var(--cyan)}
.quote-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;background:linear-gradient(90deg,#061522,#0b2d4d);border:1px solid rgba(0,151,255,.22);border-radius:18px;padding:34px;box-shadow:var(--glow)}
footer{background:#02070d;border-top:1px solid var(--line);padding:54px 0 24px}
.footgrid{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:34px}
footer p{color:var(--muted)}
.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;color:#71879b;font-size:.84rem}
@media(max-width:980px){.menu{display:none}.mobile{display:block}.hero{min-height:620px}.grid3,.grid4{grid-template-columns:1fr 1fr}.price-grid,.footgrid,.quote-strip{grid-template-columns:1fr}}
@media(max-width:640px){.logo{width:210px}.hero-copy{padding:80px 0 100px}.grid3,.grid4,.project-grid{grid-template-columns:1fr}.rate{grid-template-columns:1fr}.section{padding:62px 0}}


/* Image-driven project portfolio */
.project-photo{
  min-height:390px;
  padding:0;
  position:relative;
  overflow:hidden;
  background:#061522;
  border:1px solid var(--line);
}
.project-photo:after{display:none}
.project-photo img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .55s ease, filter .55s ease;
  filter:saturate(.92) contrast(1.03);
}
.project-photo:hover img{transform:scale(1.045);filter:saturate(1.05) contrast(1.05)}
.project-shade{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(2,7,13,.06) 22%,rgba(2,7,13,.38) 58%,rgba(2,7,13,.96) 100%),
    linear-gradient(90deg,rgba(3,9,17,.28),transparent 65%);
}
.project-copy{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:30px;
  z-index:2;
}
.project-copy small{
  color:var(--cyan);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.project-copy h2{margin:.12em 0 .18em;font-size:2.35rem}
.project-copy p{margin:0;color:#d4e2ed;font-weight:700}
.project-photo-note{
  margin-top:18px;
  color:var(--muted);
  font-size:.78rem;
  text-align:center;
}
@media(max-width:640px){
  .project-photo{min-height:330px}
  .project-copy{padding:22px}
  .project-copy h2{font-size:1.85rem}
}


/* ===== Premium conversion + visual upgrades ===== */
.emergencybar{
  background:#02070d;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#dce9f4;
  font-size:.78rem;
  letter-spacing:.04em;
}
.emergency-inner{
  min-height:34px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
}
.emergencybar strong{color:var(--orange)}
.emergencybar a{color:#fff;font-weight:900}
.mobile-menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}
.nav-cta{padding:11px 15px}

.visual-pathways{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.visual-path{
  min-height:360px;
  border-radius:18px;
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#061522;
}
.visual-path img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.95) contrast(1.05)}
.visual-path .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,7,13,.08),rgba(2,7,13,.24) 40%,rgba(2,7,13,.96) 100%)}
.visual-path .copy{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:28px}
.visual-path .copy h3{font-size:1.9rem;margin:.15em 0}
.visual-path .copy p{color:#cbd9e5}
.visual-path .copy a{color:var(--orange);font-weight:900}

.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.why-card{
  padding:24px;
  border:1px solid var(--line);
  border-radius:16px;
  background:linear-gradient(180deg,#071827,#04101b);
}
.why-card .why-icon{font-size:1.5rem;color:var(--orange);font-weight:900;margin-bottom:12px}
.why-card p{color:var(--muted);margin-bottom:0}

.featured-projects{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.featured-project{
  min-height:330px;border-radius:18px;overflow:hidden;position:relative;border:1px solid var(--line);background:#061522;box-shadow:var(--shadow)
}
.featured-project img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.9) contrast(1.06)}
.featured-project .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,7,13,.04),rgba(2,7,13,.25) 44%,rgba(2,7,13,.96) 100%)}
.featured-project .copy{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:25px}
.featured-project small{color:var(--cyan);font-weight:900;text-transform:uppercase;letter-spacing:.07em}
.featured-project h3{font-size:1.7rem;margin:.15em 0 .12em}
.featured-project p{margin:0;color:#d4e1eb}

.brand-strip{
  display:flex;gap:12px;flex-wrap:wrap;
  margin-top:22px
}
.brand-chip{
  padding:11px 15px;border-radius:999px;border:1px solid rgba(52,200,255,.22);
  color:#d9ebf7;background:rgba(7,143,229,.06);font-weight:800;font-size:.9rem
}
.brand-disclaimer{margin-top:12px;color:var(--muted);font-size:.78rem}

.engineering-flow{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:28px}
.flow-step{position:relative;padding:20px 14px;border:1px solid var(--line);background:#071827;border-radius:14px;text-align:center}
.flow-step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;margin:0 auto 10px;background:var(--orange);color:#06101a}
.flow-step strong{display:block;font-size:.9rem}
.flow-step span{display:block;margin-top:5px;color:var(--muted);font-size:.78rem}

.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.starting-price{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,122,0,.32);background:rgba(255,122,0,.06);
  padding:9px 12px;border-radius:999px;color:#ffd3ad;font-weight:800;font-size:.87rem
}
.footer-credentials{
  display:flex;gap:14px;flex-wrap:wrap;
  padding-bottom:22px;margin-bottom:30px;border-bottom:1px solid var(--line)
}
.footer-credentials span{
  padding:8px 11px;border:1px solid rgba(255,255,255,.10);
  border-radius:7px;color:#d7e5f0;font-size:.78rem;font-weight:900;letter-spacing:.05em
}
.mobile-sticky{display:none}

.service-cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}

.project-meta{
  display:flex;gap:8px;flex-wrap:wrap;margin-top:10px
}
.project-meta span{
  padding:6px 9px;border:1px solid rgba(255,255,255,.14);
  border-radius:999px;background:rgba(2,7,13,.58);font-size:.72rem;font-weight:800;color:#cde0ed
}

@media(max-width:980px){
  .mobile-menu-btn{display:block}
  .menu{
    display:none!important;
    position:absolute;left:4%;right:4%;top:82px;
    flex-direction:column;align-items:stretch;
    background:#06111d;border:1px solid var(--line);border-radius:14px;
    padding:18px;box-shadow:var(--shadow)
  }
  .menu.open{display:flex!important}
  .visual-pathways,.featured-projects{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .engineering-flow{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:640px){
  body{padding-bottom:62px}
  .emergency-inner{justify-content:center;text-align:center}
  .emergency-inner span{display:none}
  .why-grid{grid-template-columns:1fr}
  .engineering-flow{grid-template-columns:1fr 1fr}
  .mobile-sticky{
    display:grid;grid-template-columns:1fr 1fr;position:fixed;z-index:80;left:0;right:0;bottom:0;height:62px;
    background:#02070d;border-top:1px solid rgba(255,255,255,.15)
  }
  .mobile-sticky a{display:grid;place-items:center;font-weight:900;font-size:.82rem;letter-spacing:.04em}
  .mobile-sticky a:first-child{background:var(--orange);color:#fff}
  .mobile-sticky a:last-child{color:#dff4ff;border-left:1px solid rgba(255,255,255,.12)}
}

.visual-path .service-cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin-top:14px;
}
.visual-path .service-cta > a:not(.btn){
  width:100%;
  margin-bottom:2px;
}
.visual-path .service-cta .btn{
  padding:10px 13px;
  font-size:.78rem;
}

/* Make Install buttons glow on hover like Service buttons */
.visual-path .service-cta .btn.secondary{
  transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.visual-path .service-cta .btn.secondary:hover{
  background:linear-gradient(135deg,var(--orange),var(--orange2));
  color:#fff;
  border-color:var(--orange);
  box-shadow:0 10px 28px rgba(255,100,0,.28), 0 0 22px rgba(255,122,0,.22);
  transform:translateY(-2px);
}

/* ===== Blue bubble hover interactions across site ===== */

/* Circular / badge-style blue elements */
.icon,
.why-icon,
.brand-chip,
.pill,
.flow-step b,
.project-meta span {
  transition:
    transform .2s ease,
    background .2s ease,
    color .2s ease,
    border-color .2s ease,
    box-shadow .2s ease,
    filter .2s ease;
}

/* Main blue icon bubbles */
.icon:hover,
.card:hover .icon {
  background:rgba(7,143,229,.22);
  color:#dff7ff;
  border-color:#34c8ff;
  box-shadow:
    0 0 0 1px rgba(52,200,255,.18),
    0 0 18px rgba(52,200,255,.38),
    0 0 34px rgba(7,143,229,.24);
  transform:translateY(-2px) scale(1.05);
}

/* Why-Thermavolt blue bubble markers */
.why-icon:hover,
.why-card:hover .why-icon {
  color:#dff7ff;
  text-shadow:
    0 0 10px rgba(52,200,255,.75),
    0 0 22px rgba(7,143,229,.55);
  transform:translateY(-2px) scale(1.06);
}

/* Blue brand / system chips */
.brand-chip:hover {
  background:rgba(7,143,229,.18);
  border-color:#34c8ff;
  color:#ffffff;
  box-shadow:
    0 0 16px rgba(52,200,255,.30),
    inset 0 0 12px rgba(7,143,229,.08);
  transform:translateY(-2px);
}

/* Hero / utility pills */
.pill:hover {
  border-color:rgba(52,200,255,.72);
  background:rgba(7,143,229,.16);
  color:#f2fbff;
  box-shadow:0 0 18px rgba(52,200,255,.25);
  transform:translateY(-2px);
}

/* Engineering process bubbles */
.flow-step:hover b {
  background:#078fe5;
  color:#ffffff;
  box-shadow:
    0 0 15px rgba(52,200,255,.45),
    0 0 28px rgba(7,143,229,.28);
  transform:scale(1.08);
}

/* Project category bubbles */
.project-meta span:hover,
.project:hover .project-meta span {
  border-color:rgba(52,200,255,.68);
  background:rgba(7,143,229,.18);
  color:#ffffff;
  box-shadow:0 0 14px rgba(52,200,255,.23);
}

/* Give cards a subtle blue edge so the icon hover feels connected */
.card,
.why-card,
.flow-step {
  transition:border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.card:hover,
.why-card:hover,
.flow-step:hover {
  border-color:rgba(52,200,255,.26);
  box-shadow:
    0 18px 58px rgba(0,0,0,.34),
    0 0 26px rgba(7,143,229,.08);
}