/* Solar Engineering — shared styles */
:root{
  --navy:#173140; --navy-2:#1e4255;
  --brand:#d2592f; --brand-dark:#b8451f;
  --ink:#16202c; --muted:#5b6b7c; --line:#e6ebf1;
  --bg-soft:#f5f8fb; --white:#ffffff; --radius:16px;
  --shadow:0 10px 30px rgba(23,49,64,.08);
  --shadow-lg:0 24px 60px rgba(23,49,64,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;color:var(--ink);line-height:1.6;background:var(--white);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(28px,4vw,40px)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.lead{font-size:18px;color:var(--muted);max-width:640px}
.center{text-align:center}.center .lead{margin:0 auto}

.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:16px;padding:14px 26px;border-radius:999px;transition:.18s;cursor:pointer;border:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(210,89,47,.4)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-2px)}

header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;color:var(--navy)}
.logo img{width:40px;height:40px}
.menu{display:flex;gap:28px;align-items:center}
.menu a{font-weight:600;font-size:15px;color:#33414f;transition:.15s}
.menu a:hover{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:16px}
.phone-link{font-weight:700;color:var(--navy);font-size:15px;display:flex;align-items:center;gap:7px;white-space:nowrap}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;width:24px;height:2.5px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.2s}

.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(105deg,rgba(15,32,43,.94) 0%,rgba(20,44,58,.82) 45%,rgba(23,49,64,.45) 100%),url('img/hero-roof.jpg') center/cover no-repeat}
.hero-inner{padding:104px 0 110px;max-width:680px}
.hero h1{font-size:clamp(38px,5.6vw,62px);color:#fff;margin-bottom:20px}
.hero h1 .accent{color:var(--brand)}
.hero p{font-size:19px;color:#d7e2ec;max-width:540px;margin-bottom:30px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:36px;flex-wrap:wrap}
.hero-trust div{display:flex;align-items:center;gap:9px;font-size:14px;color:#e4edf5;font-weight:600}
.hero-trust svg{color:var(--brand);flex-shrink:0}
.hero-stat{position:absolute;right:32px;bottom:34px;background:rgba(15,32,43,.66);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.16);border-radius:15px;padding:18px 24px;text-align:right}
.hero-stat .kw{color:var(--brand);font-size:30px;font-weight:800;line-height:1}
.hero-stat span{color:#c3d2df;font-size:13px;display:block;margin-top:4px}

/* Compact hero for subpages */
.hero.sub{background:linear-gradient(120deg,rgba(15,32,43,.95),rgba(23,49,64,.7)),url('img/hero-roof.jpg') center/cover no-repeat}
.hero.sub .hero-inner{padding:72px 0 78px}
.hero.sub h1{font-size:clamp(32px,4.6vw,48px)}
.breadcrumb{font-size:14px;color:#aebfce;margin-bottom:18px}
.breadcrumb a{color:#aebfce}.breadcrumb a:hover{color:var(--brand)}

.stats{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:42px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat b{display:block;font-size:38px;font-weight:800;color:var(--navy);letter-spacing:-.03em}
.stat span{color:var(--muted);font-size:14px;font-weight:600}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card .pic{height:190px;background:var(--bg-soft);display:grid;place-items:center;padding:22px;border-bottom:1px solid var(--line)}
.card .pic img{max-height:150px;width:auto;object-fit:contain}
.card-body{padding:28px 30px 32px}
.card h3{font-size:21px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;margin-bottom:16px}
.card ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.card li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:#3a4a59}
.card li svg{color:var(--brand);flex-shrink:0;margin-top:3px}

.why{background:var(--navy);color:#fff}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.why h2{color:#fff}.why .lead{color:#bdccd9}
.why-list{display:grid;gap:18px}
.why-item{display:flex;gap:15px;align-items:flex-start}
.why-item .ic{width:44px;height:44px;border-radius:12px;background:rgba(210,89,47,.18);display:grid;place-items:center;color:var(--brand);flex-shrink:0}
.why-item b{display:block;color:#fff;font-size:16px;margin-bottom:3px}
.why-item p{color:#a4b6c4;font-size:14px}

.proj{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.proj-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;transition:.2s}
.proj-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.proj-img{height:210px;position:relative;overflow:hidden}
.proj-img img{width:100%;height:100%;object-fit:cover}
.proj-img .chip{position:absolute;top:14px;left:14px;background:rgba(15,32,43,.82);color:#fff;font-size:13px;font-weight:700;padding:6px 13px;border-radius:999px}
.proj-img .chip b{color:var(--brand)}
.proj-body{padding:22px}
.proj-body .tag{font-size:12px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.08em}
.proj-body h3{font-size:18px;margin:8px 0}
.proj-body p{font-size:14px;color:var(--muted)}

.area{background:var(--bg-soft)}
.area-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}
.cities{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.cities a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;color:#33414f;transition:.15s}
.cities a:hover{border-color:var(--brand);color:var(--brand)}
.map-box{background:var(--navy);border-radius:var(--radius);padding:38px;color:#fff;text-align:center}
.map-box .big{font-size:42px;font-weight:800;color:var(--brand);letter-spacing:-.03em;line-height:1.1}
.map-box p{color:#aebfce;font-size:15px;margin-top:8px}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.stars{color:var(--brand);font-size:18px;letter-spacing:2px;margin-bottom:12px}
.quote p{font-size:15px;color:#33414f;margin-bottom:18px}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .av{width:42px;height:42px;border-radius:50%;background:var(--navy);display:grid;place-items:center;font-weight:800;color:#fff}
.quote .who b{display:block;font-size:14px}.quote .who span{font-size:13px;color:var(--muted)}

.faq{max-width:820px;margin:40px auto 0}
.fq{border:1px solid var(--line);border-radius:13px;margin-bottom:12px;overflow:hidden;background:#fff}
.fq button{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:20px 22px;font-size:16px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.fq .ans{max-height:0;overflow:hidden;transition:.28s ease;color:var(--muted);font-size:15px}
.fq .ans p{padding:0 22px 20px}
.fq.open .ans{max-height:280px}
.fq .chev{transition:.25s;color:var(--brand);flex-shrink:0}.fq.open .chev{transform:rotate(180deg)}

.brands{border-top:1px solid var(--line);background:#fff;padding:52px 0}
.brands .wrap{display:flex;flex-direction:column;align-items:center;gap:22px}
.brands-label{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.brands-row{display:flex;align-items:center;justify-content:center;gap:46px;flex-wrap:wrap}
.brands-row span{font-size:22px;font-weight:800;color:#aebccb;letter-spacing:-.02em}

.contact{background:linear-gradient(180deg,var(--navy-2),var(--navy));color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact h2{color:#fff}.contact .lead{color:#bdccd9}
.contact-info{display:grid;gap:20px;margin-top:30px}
.ci{display:flex;gap:14px;align-items:center}
.ci .ic{width:46px;height:46px;border-radius:12px;background:rgba(210,89,47,.18);display:grid;place-items:center;color:var(--brand);flex-shrink:0}
.ci b{display:block;color:#fff;font-size:16px}.ci span{color:#a4b6c4;font-size:14px}
form{background:#fff;border-radius:20px;padding:30px;box-shadow:var(--shadow-lg)}
form h3{color:var(--navy);font-size:22px;margin-bottom:6px}
form .sub{color:var(--muted);font-size:14px;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:#33414f;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;color:var(--ink);transition:.15s;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(210,89,47,.18)}
form .btn{width:100%;justify-content:center;margin-top:6px}
form .fine{font-size:12px;color:var(--muted);text-align:center;margin-top:12px}
.form-success{display:none;text-align:center;padding:30px 10px;background:#fff;border-radius:20px;box-shadow:var(--shadow-lg)}
.form-success.show{display:block}
.form-success .ok{width:64px;height:64px;border-radius:50%;background:rgba(210,89,47,.14);display:grid;place-items:center;margin:0 auto 18px;color:var(--brand)}
.form-success h3{font-size:24px;margin-bottom:8px;color:var(--navy)}.form-success p{color:var(--muted)}

/* Article / content pages */
.article{max-width:820px;margin:0 auto}
.article p{font-size:17px;color:#33414f;margin-bottom:20px}
.article h2{font-size:28px;margin:40px 0 16px}
.article h3{font-size:21px;margin:28px 0 10px}
.article ul{margin:0 0 22px 22px}
.article li{font-size:17px;color:#33414f;margin-bottom:8px}
.callout{background:var(--bg-soft);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:22px 26px;margin:26px 0}
.callout b{color:var(--navy)}
.cta-band{background:var(--navy);color:#fff;text-align:center;border-radius:var(--radius);padding:46px 30px;margin-top:50px}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#bdccd9;margin-bottom:24px}

footer{background:#0f242f;color:#90a5b6;padding:56px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
footer .logo{color:#fff;margin-bottom:14px}
footer p{font-size:14px;line-height:1.7}
footer h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
footer ul{list-style:none;display:grid;gap:10px}
footer ul a{font-size:14px;color:#90a5b6;transition:.15s}footer ul a:hover{color:var(--brand)}
.social{display:flex;gap:12px;margin-top:16px}
.social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#cfdcea;transition:.15s}
.social a:hover{background:var(--brand);color:#fff}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:13px;flex-wrap:wrap;gap:10px}

@media(max-width:920px){
  .why-grid,.area-grid,.contact-grid{grid-template-columns:1fr}
  .cards,.proj,.quotes{grid-template-columns:1fr 1fr}
  .stats .wrap{grid-template-columns:1fr 1fr;gap:32px 16px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-stat{display:none}
}
@media(max-width:680px){
  section{padding:60px 0}
  .menu,.nav-cta .phone-link{display:none}
  .hamburger{display:block}
  .menu.show{display:flex;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:20px 24px;gap:18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .cards,.proj,.quotes,.foot-grid{grid-template-columns:1fr}
  .hero h1{font-size:35px}
}