/* ============================================================
   Sunderland Solar Panels — design system
   Brand: Sunderland red & white, navy ink, Wearside accents
   ============================================================ */
:root{
  --red:#E03A3E; --red-dark:#b62a2e; --ink:#1b1f3b; --ink-soft:#3a3f55;
  --grey:#6a7088; --line:#e4e6ef; --bg:#ffffff; --bg-soft:#f5f6fa;
  --bg-stripe:#fbeceb; --gold:#f4b400; --ok:#1e8c54;
  --radius:14px; --radius-sm:9px;
  --shadow:0 10px 30px rgba(27,31,59,.08); --shadow-lg:0 24px 60px rgba(27,31,59,.16);
  --maxw:1180px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink-soft);background:var(--bg);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.15;font-weight:600;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.4vw,3.3rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.3rem}
p{margin:0 0 1.1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.wrap-narrow{max-width:820px;margin:0 auto}
.eyebrow{font-family:var(--sans);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.74rem;color:var(--red);margin:0 0 .8em;display:inline-block}
.center{text-align:center}
.muted{color:var(--grey)}
.stripebar{height:8px;background:repeating-linear-gradient(90deg,var(--red) 0 18px,#fff 18px 36px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.btn{display:inline-block;font-weight:700;font-family:var(--sans);border-radius:50px;padding:14px 28px;font-size:1rem;cursor:pointer;border:2px solid transparent;transition:.18s;text-align:center}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);text-decoration:none;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;text-decoration:none}
.btn-white{background:#fff;color:var(--red)}
.btn-white:hover{background:#f3f3f3;text-decoration:none}
.topbar{background:var(--ink);color:#cfd2e6;font-size:.86rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:14px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a{color:#fff}
.topbar .tb-right{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 0}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:700;color:var(--ink);font-size:1.18rem}
.brand:hover{text-decoration:none}
.brand img{width:52px;height:52px}
.brand small{display:block;font-family:var(--sans);font-weight:600;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--red)}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu>li>a{display:block;padding:10px 13px;color:var(--ink);font-weight:600;font-size:.95rem;border-radius:8px}
.menu>li>a:hover{background:var(--bg-soft);text-decoration:none;color:var(--red)}
.has-sub>a::after{content:"▾";font-size:.7em;margin-left:5px;color:var(--grey)}
.submenu{position:absolute;top:100%;left:0;min-width:262px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;display:none;z-index:60}
.submenu.cols{min-width:560px;columns:2}
.menu>li:hover .submenu,.menu>li:focus-within .submenu{display:block}
.submenu a{display:block;padding:8px 12px;color:var(--ink-soft);font-size:.9rem;border-radius:7px;break-inside:avoid}
.submenu a:hover{background:var(--bg-stripe);color:var(--red);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-tel{font-weight:700;color:var(--ink);white-space:nowrap}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;color:var(--ink);padding:6px}
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(27,31,59,.92) 0%,rgba(27,31,59,.72) 45%,rgba(27,31,59,.35) 100%)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.9}
.hero-inner{position:relative;z-index:2;padding:78px 0 86px;max-width:680px}
.hero h1{color:#fff}
.hero p.lead{font-size:1.22rem;color:#eef0fb;margin-bottom:1.6em}
.hero .accent{color:#ffd2d3}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-badges span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:7px 14px;border-radius:50px;font-size:.82rem;font-weight:600}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-edge{position:absolute;right:0;top:0;bottom:0;width:26px;z-index:3;background:repeating-linear-gradient(180deg,var(--red) 0 26px,#fff 26px 52px)}
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(27,31,59,.93),rgba(27,31,59,.6))}
.page-hero .hero-img{opacity:.82}
.page-hero .inner{position:relative;z-index:2;padding:62px 0}
.page-hero h1{color:#fff;margin-bottom:.2em}
.page-hero p{color:#eef0fb;max-width:680px;margin:0}
.breadcrumbs{font-size:.83rem;color:#c8cbe4;margin-bottom:14px}
.breadcrumbs a{color:#fff}
section{padding:64px 0}
.section-soft{background:var(--bg-soft)}
.section-ink{background:var(--ink);color:#dfe2f2}
.section-ink h2,.section-ink h3{color:#fff}
.sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 14px;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--serif);font-size:2.1rem;color:var(--red);line-height:1}
.stat span{font-size:.86rem;color:var(--grey);font-weight:600}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card img{height:190px;width:100%;object-fit:cover}
.card .card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.card h3{margin-bottom:.4em}
.card p{font-size:.95rem;color:var(--ink-soft)}
.card .more{margin-top:auto;font-weight:700;color:var(--red)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:100%;max-height:460px;object-fit:cover}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding:6px 0 6px 34px;color:var(--ink-soft)}
.checklist li::before{content:"";position:absolute;left:0;top:10px;width:20px;height:20px;border-radius:50%;background:var(--red)}
.checklist li::after{content:"";position:absolute;left:6px;top:14px;width:5px;height:9px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(42deg)}
.prose{max-width:820px;margin:0 auto}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em;color:var(--red-dark)}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose .lead{font-size:1.16rem;color:var(--ink)}
.prose blockquote{border-left:4px solid var(--red);background:var(--bg-soft);margin:1.4em 0;padding:16px 22px;border-radius:0 10px 10px 0;font-style:italic;color:var(--ink)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--serif);font-weight:700;font-size:1.4rem;color:var(--red);display:block;margin-bottom:8px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.stars{color:var(--gold);letter-spacing:2px;font-size:1rem;margin-bottom:8px}
.review .who{display:flex;align-items:center;gap:12px;margin-top:14px}
.review .av{width:42px;height:42px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:700;font-family:var(--serif)}
.review .who b{color:var(--ink);display:block;font-size:.95rem}
.review .who span{font-size:.8rem;color:var(--grey)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-size:1.4rem;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{background:var(--bg-soft)}
.faq .ans{padding:4px 20px 18px;color:var(--ink-soft)}
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.map-embed iframe{width:100%;height:340px;border:0;display:block}
.cta-band{background:var(--red);color:#fff;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#ffe3e3;max-width:620px;margin:0 auto 1.6em}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{background:var(--bg-stripe);color:var(--red-dark);border:1px solid #f3cfcf;padding:7px 15px;border-radius:50px;font-size:.85rem;font-weight:600}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;color:var(--ink);margin-bottom:6px;font-size:.95rem}
.field .req{color:var(--red)}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:9px;font-family:inherit;font-size:1rem;color:var(--ink);background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--red);border-color:var(--red)}
.field textarea{min-height:130px;resize:vertical}
.consent{display:flex;gap:12px;align-items:flex-start;background:var(--bg-soft);border:1px solid var(--line);padding:14px 16px;border-radius:10px;margin-bottom:18px}
.consent input{width:22px;height:22px;flex:0 0 auto;margin-top:3px;accent-color:var(--red)}
.consent label{font-size:.92rem;color:var(--ink-soft);font-weight:500}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.info-line{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.info-line .ico{width:42px;height:42px;border-radius:10px;background:var(--bg-stripe);color:var(--red);display:grid;place-items:center;flex:0 0 auto;font-weight:700}
.site-footer{background:var(--ink);color:#b9bcd6;font-size:.92rem;padding-top:54px}
.site-footer h4{color:#fff;font-family:var(--sans);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:40px}
.site-footer a{color:#cfd2e6}
.site-footer a:hover{color:#fff}
.fcol ul{list-style:none;padding:0;margin:0}
.fcol li{margin-bottom:9px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand img{width:54px;height:54px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.84rem;color:#9499bd}
.partner-links{display:flex;flex-wrap:wrap;gap:8px 18px;padding:16px 0 4px;border-top:1px solid rgba(255,255,255,.1)}
.partner-links a{font-size:.82rem}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.text-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 40px}
.note{background:var(--bg-stripe);border:1px solid #f3cfcf;border-radius:10px;padding:16px 18px;color:var(--ink)}
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .menu-toggle{display:block}
  .menu{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 22px;gap:2px;max-height:calc(100vh - 64px);overflow:auto;box-shadow:var(--shadow-lg);display:none}
  .menu.open{display:flex}
  .menu>li>a{padding:13px 8px;border-bottom:1px solid var(--line)}
  .has-sub>a::after{float:right}
  .submenu{position:static;display:block;box-shadow:none;border:0;border-left:3px solid var(--red);border-radius:0;margin:0 0 8px 8px;padding:0}
  .submenu.cols{columns:1;min-width:0}
  .nav-tel{display:none}
  .grid-2,.grid-3,.grid-4,.text-grid{grid-template-columns:1fr}
  .hero-edge{display:none}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}