:root{
  --bg:#FAFAFF;
  --surface:#FFFFFF;
  --text:#101828;
  --muted:#667085;
  --brand:#16A34A;
  --brand2:#FACC15;
  --accent:#0EA5E9;
  --line:rgba(16,24,40,.12);
  --shadow:0 18px 36px rgba(16,24,40,.10);
  --white:#FFFFFF;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Sora","Segoe UI",sans-serif;
  color:var(--text);
  background:linear-gradient(to bottom,var(--bg) 0 58%,#eefaf2 58% 100%);
  line-height:1.6;
}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:16px}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,92%);margin-inline:auto}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.surface{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:8px 10px;z-index:9999;border-radius:8px;
}
.skip-link:focus{left:10px;top:10px}

.site-header{
  position:sticky;top:0;z-index:1000;
  backdrop-filter:blur(10px);
  background:rgba(250,250,255,.82);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:74px;
}
.logo{
  display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;white-space:nowrap;
}
.logo svg{color:var(--brand);flex:none}
.nav-wrap{display:flex;align-items:center;gap:18px}
.desktop-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.desktop-nav a{
  padding:9px 12px;border-radius:12px;font-size:.95rem;color:var(--muted);
}
.desktop-nav a:hover,.desktop-nav a.active{background:#ecfdf3;color:var(--brand)}

.btn{
  height:44px;
  padding:10px 14px;
  font-size:14px;
  border-radius:12px;
  border:0;
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;cursor:pointer;font-weight:600;
}
.btn-primary{background:var(--brand);color:var(--white)}
.btn-primary:hover{background:#12803a}
.btn-outline{border:1px solid var(--line);background:var(--white);color:var(--text)}
.btn-yellow{background:var(--brand2);color:#222}

.menu-toggle{display:none;background:none;border:1px solid var(--line);width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;cursor:pointer}
.menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
  content:"";display:block;width:18px;height:2px;background:#101828;position:relative;transition:.2s;
}
.menu-toggle span:before{position:absolute;top:-6px;left:0}
.menu-toggle span:after{position:absolute;top:6px;left:0}
.mobile-panel{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);
  box-shadow:0 12px 24px rgba(16,24,40,.1);
}
.mobile-panel.open{display:block;animation:slideDown .22s ease}
.mobile-nav{display:flex;flex-direction:column;padding:14px 4% 18px;gap:8px}
.mobile-nav a{padding:10px 12px;border-radius:10px;color:var(--muted)}
.mobile-nav a.active,.mobile-nav a:hover{background:#ecfdf3;color:var(--brand)}
.mobile-nav .btn{width:100%;margin-top:6px}

@keyframes slideDown{from{opacity:.2;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

.hero{
  width:100vw;
  margin-left:calc(50% - 50vw);
  min-height:80vh;
  display:grid;align-items:center;
  background:
    linear-gradient(120deg,rgba(0,0,0,.45),rgba(22,163,74,.28),rgba(250,204,21,.25)),
    url('/images/hero-living-room.jpg') center/cover no-repeat;
}
.hero-card{
  width:min(680px,92%);
  margin:42px auto;
  background:rgba(255,255,255,.93);
  border:2px dashed rgba(22,163,74,.4);
  border-radius:22px;
  padding:30px;
  box-shadow:var(--shadow);
}
.hero h1{font-size:clamp(2rem,4vw,3rem);line-height:1.15;margin:0 0 12px}
.hero p{margin:0 0 20px;color:#24334f}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{background:#ecfdf3;border:1px solid #b7efc7;color:#125d30;padding:6px 10px;border-radius:999px;font-size:.82rem}

.dashboard{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:22px;
}
.meter-card{padding:24px}
.meter-card h2{margin:0 0 8px}
.range-line{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:.9rem}
.range-input{width:100%;margin:14px 0 10px}
.meter-result{display:grid;gap:8px;background:#f9fafb;border:1px solid var(--line);padding:14px;border-radius:16px}
.widget-stack{display:grid;gap:14px}
.widget{padding:20px}
.widget h3{margin:0 0 8px}
.muted{color:var(--muted)}

.title-row{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
.title-row h2{margin:0}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.deal-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 8px 22px rgba(16,24,40,.08);
  display:flex;
  flex-direction:column;
  height:100%;
}
.deal-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
}
.deal-card .content{
  padding:14px 14px 16px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.price-badge{display:inline-flex;align-items:center;background:#ecfdf3;color:#166534;border:1px solid #ace7bc;padding:5px 10px;border-radius:999px;font-weight:700;font-size:.85rem}
.tag{display:inline-block;background:#eff6ff;color:#1d4ed8;border-radius:999px;padding:4px 9px;font-size:.75rem;margin-bottom:8px}
.deal-card h3{font-size:1rem;line-height:1.35;margin:8px 0}
.deal-card p{margin:0 0 12px;font-size:.92rem;color:var(--muted)}
.card-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  margin-top:auto;
}
.card-actions .link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--brand);
  font-size:.9rem;
  font-weight:700;
  white-space:nowrap;
}
.card-actions .link:hover{background:#ecfdf3}
.link{color:var(--brand);font-weight:600}

.shortcut-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.shortcut-tile{
  padding:26px;border-radius:20px;border:1px solid var(--line);background:var(--surface);
  box-shadow:0 10px 20px rgba(16,24,40,.07);
}
.shortcut-tile h3{margin:0 0 6px;font-size:1.25rem}
.shortcut-tile p{margin:0 0 14px;color:var(--muted)}

.tips-grid,.faq-preview-grid,.testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.tip-card,.faq-preview,.testi-card{padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.testi-card blockquote{margin:0;font-size:.95rem}
.testi-card cite{display:block;margin-top:10px;color:var(--muted);font-style:normal;font-size:.9rem}

.cta-band{
  margin:72px auto 0;width:min(1120px,92%);
  background:linear-gradient(135deg,#e6fbe9,#fff9d9);
  border:1px solid var(--line);border-radius:22px;
  padding:28px;display:flex;align-items:center;justify-content:space-between;gap:12px;
}

.page-hero{padding:68px 0 24px}
.page-hero h1{margin:0 0 10px;font-size:clamp(1.7rem,3.2vw,2.6rem)}

.filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 16px}
.filter-chip{border:1px solid var(--line);background:var(--white);padding:8px 12px;border-radius:999px;cursor:pointer}
.filter-chip.active{background:#ecfdf3;color:#166534;border-color:#9fe3b3}
.controls{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.select, .input{
  border:1px solid var(--line);border-radius:12px;padding:10px 12px;font:inherit;background:#fff;min-height:42px;
}

.modal{
  position:fixed;inset:0;background:rgba(16,24,40,.58);display:none;align-items:center;justify-content:center;padding:16px;z-index:2000;
}
.modal.open{display:flex}
.modal-card{max-width:560px;width:100%;background:#fff;border-radius:20px;padding:22px;border:1px solid var(--line);position:relative}
.modal-close{position:absolute;right:14px;top:14px;border:1px solid var(--line);background:#fff;border-radius:10px;width:34px;height:34px;cursor:pointer}

.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tab{padding:9px 12px;border:1px solid var(--line);background:#fff;border-radius:999px;cursor:pointer}
.tab.active{background:#ecfdf3;border-color:#9fe3b3;color:#166534}

.split-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tips-list{display:grid;gap:14px}
.tip-line{padding:16px;border-radius:16px;border:1px solid var(--line);background:#fff}
.tip-media{display:grid;gap:14px}

.planner{padding:22px}
.planner-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.planner-output{margin-top:12px;padding:14px;border-radius:14px;background:#f8fafc;border:1px solid var(--line)}

.faq{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
.faq-q{width:100%;text-align:left;border:0;background:transparent;padding:14px 16px;font:inherit;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-a{display:none;padding:0 16px 14px;color:var(--muted)}
.faq-item.open .faq-a{display:block}

.contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:20px}
.form-card,.info-card{padding:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:grid;gap:6px;margin-bottom:12px}
label{font-weight:600;font-size:.92rem}
.error{color:#b91c1c;font-size:.82rem;min-height:16px}

.toast{
  position:fixed;right:14px;bottom:14px;z-index:3000;
  background:#101828;color:#fff;padding:12px 14px;border-radius:12px;display:none;
}
.toast.show{display:block}

.site-footer{margin-top:72px;background:#0f172a;color:#d1d5db;padding-top:38px}
.footer-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr 1.2fr;gap:20px;padding-bottom:22px}
.footer-col h4{margin:0 0 10px;color:#fff;font-size:1rem}
.footer-col a{display:block;color:#cbd5e1;margin:6px 0;font-size:.93rem}
.footer-col a:hover{color:#fff}
.footer-brand p{margin:8px 0 0;color:#cbd5e1;max-width:320px}
.socials{display:flex;gap:8px}
.socials a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.2);border-radius:10px}
.newsletter{display:flex;gap:8px;flex-wrap:wrap}
.newsletter input{flex:1;min-width:160px;padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:#0b1220;color:#fff}
.newsletter button{background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 12px;cursor:pointer}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:12px 0 22px;font-size:.86rem;color:#94a3b8;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

.scroll-top{
  position:fixed;right:14px;bottom:76px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;display:none;z-index:1200;
}
.scroll-top.show{display:block}

@media (max-width: 992px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .dashboard,.split-layout,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 768px){
  .desktop-nav,.desktop-cta{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{min-height:68px}
  .mobile-panel{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .shortcut-grid,.tips-grid,.faq-preview-grid,.testi-grid{grid-template-columns:1fr}
  .planner-grid,.form-row{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width: 480px){
  .btn{height:40px;padding:8px 12px;font-size:13px}
  .logo{font-size:.95rem;max-width:76vw;overflow:hidden;text-overflow:ellipsis}
  .hero-card{padding:20px}
  .card-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}