/* =====================================================================
   HELIORA — Premium Rooftop Solar | SunEngy Solutions
   Theme: deep navy ink + gold foil on warm ivory (from the brand logo)
   Responsive: mobile-first, scales to tablet & desktop
   ===================================================================== */

:root{
  --navy:#142844;          /* deep ink navy from logo */
  --navy-2:#1d3a63;
  --navy-deep:#0e1d33;
  --gold:#c9a227;          /* foil gold */
  --gold-soft:#e3c766;
  --ivory:#fbf8f1;         /* warm paper */
  --ivory-2:#f4eee1;
  --ink:#23303f;
  --muted:#5d6b7a;
  --line:#e4ddcd;
  --sun:#f4a015;           /* SunEngy warm sun accent */
  --white:#ffffff;
  --ok:#2f7d4f;
  --radius:14px;
  --shadow:0 10px 30px rgba(20,40,68,.10);
  --shadow-sm:0 4px 14px rgba(20,40,68,.08);
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--ivory);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:'Poppins',sans-serif;color:var(--navy);line-height:1.18;font-weight:700}
a{color:var(--navy);text-decoration:none}
img{max-width:100%;display:block}
sup{font-size:.55em;top:-.7em}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:13px 26px;border-radius:50px;font-weight:600;
  font-family:'Poppins',sans-serif;font-size:.95rem;cursor:pointer;border:none;
  transition:transform .15s ease, box-shadow .15s ease, background .2s;
}
.btn-primary{background:var(--gold);color:var(--navy-deep);box-shadow:0 6px 18px rgba(201,162,39,.35)}
.btn-primary:hover{transform:translateY(-2px);background:var(--gold-soft)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{transform:translateY(-2px);background:var(--navy-2)}
.btn-light{background:#fff;color:var(--navy);box-shadow:var(--shadow-sm)}
.btn-light:hover{transform:translateY(-2px)}
.btn-outline{background:transparent;border:2px solid var(--gold);color:var(--navy)}
.btn-outline:hover{background:var(--gold);color:var(--navy-deep)}

/* ---------- Topbar ---------- */
.topbar{background:var(--navy-deep);color:#cfd9e6;font-size:.85rem}
.topbar a{color:#cfd9e6}
.topbar a:hover{color:var(--gold-soft)}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar-left span{margin-right:18px}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,248,241,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{display:grid;place-items:center}
.brand-text strong{font-family:'Poppins',sans-serif;font-size:1.35rem;letter-spacing:3px;color:var(--navy);display:block;font-weight:800}
.brand-text small{font-size:.62rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{padding:9px 13px;border-radius:8px;font-weight:500;font-size:.95rem;color:var(--ink)}
.main-nav a:hover{color:var(--navy);background:var(--ivory-2)}
.main-nav a.active{color:var(--gold);font-weight:600}
.btn-nav{background:var(--gold)!important;color:var(--navy-deep)!important;font-weight:600!important;padding:10px 20px!important;border-radius:50px!important;margin-left:6px}
.btn-nav:hover{background:var(--gold-soft)!important}

.nav-drop{position:relative;display:flex;align-items:center}
.nav-drop-toggle{background:none;border:none;cursor:pointer;padding:9px 6px 9px 0;color:var(--ink);
  font-size:.8rem;line-height:1}
.nav-drop-menu{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow);padding:8px;min-width:270px;z-index:60}
.nav-drop-menu a{display:block;padding:9px 12px;border-radius:8px;font-size:.88rem;color:var(--ink);white-space:normal}
.nav-drop-menu a:hover{background:var(--ivory-2);color:var(--navy)}
.nav-drop-menu a.nav-overview{font-weight:700;border-bottom:1px solid var(--line);border-radius:8px 8px 0 0;
  margin-bottom:6px;padding-bottom:12px}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu,.nav-drop.open .nav-drop-menu{display:block}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:var(--navy);border-radius:3px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:
   radial-gradient(900px 500px at 80% -10%, rgba(244,160,21,.18), transparent 60%),
   linear-gradient(160deg,var(--navy) 0%, var(--navy-deep) 100%);
  color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(244,160,21,.35),transparent 65%);filter:blur(10px)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;
  align-items:center;padding:70px 0 80px}
.hero .eyebrow{display:inline-block;background:rgba(201,162,39,.18);color:var(--gold-soft);
  border:1px solid rgba(201,162,39,.4);padding:6px 16px;border-radius:50px;font-size:.78rem;
  letter-spacing:1.5px;text-transform:uppercase;font-weight:600;margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(2rem,4.5vw,3.3rem);font-weight:800;margin-bottom:16px}
.hero h1 .hl{color:var(--gold)}
.hero p.lead{font-size:1.1rem;color:#d4dded;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-badge b{display:block;font-family:'Poppins',sans-serif;font-size:1.6rem;color:var(--gold)}
.hero-badge span{font-size:.82rem;color:#bcc8d8}

/* Hero sun card */
.sun-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:30px;backdrop-filter:blur(4px)}
.sun-card h3{color:#fff;font-size:1.15rem;margin-bottom:6px}
.sun-card .price{font-family:'Poppins',sans-serif;font-size:2.4rem;color:var(--gold);font-weight:800;line-height:1}
.sun-card .price small{font-size:.9rem;color:#cdd7e5;font-weight:500}
.sun-card ul{list-style:none;margin-top:16px}
.sun-card li{padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.13);color:#dde5f0;font-size:.92rem;
  display:flex;justify-content:space-between;gap:12px}
.sun-card li:last-child{border-bottom:none}
.sun-card li b{color:#fff}

/* ---------- Section scaffolding ---------- */
.section{padding:72px 0}
.section.alt{background:var(--ivory-2)}
.section.navy{background:var(--navy);color:#fff}
.section.navy h2,.section.navy h3{color:#fff}
.section-head{max-width:720px;margin:0 auto 46px;text-align:center}
.section-head .kicker{color:var(--gold);font-weight:700;letter-spacing:2px;text-transform:uppercase;
  font-size:.78rem;display:block;margin-bottom:10px}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:12px}
.section-head p{color:var(--muted)}
.section.navy .section-head p{color:#c3cee0}

/* ---------- Grid / cards ---------- */
.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);padding:28px;
  box-shadow:var(--shadow-sm);transition:transform .18s ease, box-shadow .18s ease;height:100%}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .ico{width:54px;height:54px;border-radius:12px;display:grid;place-items:center;font-size:1.6rem;
  background:linear-gradient(140deg,var(--ivory-2),#fff);border:1px solid var(--line);margin-bottom:16px}
.card h3{font-size:1.15rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}

/* feature list with check */
.checklist{list-style:none;display:grid;gap:12px}
.checklist li{display:flex;gap:11px;align-items:flex-start}
.checklist li::before{content:"✓";flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--gold);color:var(--navy-deep);font-weight:700;display:grid;place-items:center;font-size:.8rem;margin-top:2px}

/* split content block */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:16px}
.stat-row{display:flex;gap:30px;flex-wrap:wrap;margin-top:24px}
.stat b{display:block;font-family:'Poppins',sans-serif;font-size:2rem;color:var(--gold)}
.stat span{color:var(--muted);font-size:.88rem}
.section.navy .stat span{color:#c3cee0}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
table.data{width:100%;border-collapse:collapse;background:#fff;min-width:480px}
table.data th,table.data td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.data thead th{background:var(--navy);color:#fff;font-family:'Poppins',sans-serif;font-weight:600;font-size:.92rem}
table.data tbody tr:nth-child(even){background:var(--ivory)}
table.data td.num{text-align:right;font-variant-numeric:tabular-nums}
table.data tr.total td{background:#eef6ec;font-weight:700;color:var(--ok)}
table.data tr.total td:first-child{color:var(--ok)}
.tick{color:var(--ok);font-weight:700}
table.comparison-table thead th{background:#6bbfbf}
table.comparison-table th:not(:first-child),table.comparison-table td:not(:first-child){text-align:center}

/* ---------- Package / pricing tabs ---------- */
.pkg-tabs{display:flex;gap:10px;margin-bottom:22px;flex-wrap:wrap}
.pkg-tab{background:#fff;border:2px solid var(--line);border-radius:50px;padding:9px 22px;
  font-family:'Poppins',sans-serif;font-size:.88rem;font-weight:600;color:var(--navy);cursor:pointer;transition:.2s}
.pkg-tab:hover{border-color:var(--navy)}
.pkg-tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* subsidy highlight cards */
.subsidy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.subsidy-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.subsidy-card .amt{font-family:'Poppins',sans-serif;font-size:2.1rem;color:var(--gold);font-weight:800}
.subsidy-card.feature{background:linear-gradient(150deg,var(--navy),var(--navy-deep));color:#fff}
.subsidy-card.feature h4,.subsidy-card.feature .amt{color:#fff}
.subsidy-card.feature .amt{color:var(--gold)}

/* ---------- Forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:7px;color:var(--navy)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.95rem;background:var(--ivory);transition:border .2s, box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.18);background:#fff}
.field textarea{resize:vertical;min-height:120px}

.alert{padding:14px 18px;border-radius:10px;margin-bottom:22px;font-size:.95rem}
.alert-ok{background:#e9f6ee;color:#1d6b3e;border:1px solid #b9e2c8}
.alert-err{background:#fdecec;color:#a32424;border:1px solid #f3c2c2}

/* calculator result panel */
.calc-result{background:linear-gradient(150deg,var(--navy),var(--navy-deep));color:#fff;
  border-radius:var(--radius);padding:30px;height:100%}
.calc-result h3{color:#fff;margin-bottom:18px}
.calc-result .crow{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.16)}
.calc-result .crow:last-child{border-bottom:none}
.calc-result .crow b{color:var(--gold);font-family:'Poppins',sans-serif}
.calc-result .big{font-size:1.5rem}

/* ---------- Page banner ---------- */
.page-banner{background:linear-gradient(160deg,var(--navy),var(--navy-deep));color:#fff;
  padding:56px 0;text-align:center;position:relative;overflow:hidden}
.page-banner::after{content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);
  width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(244,160,21,.3),transparent 65%)}
.page-banner h1{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem);position:relative;z-index:2}
.page-banner p{color:#c8d3e3;position:relative;z-index:2;margin-top:8px}
.breadcrumb{position:relative;z-index:2;font-size:.85rem;color:#a9b7cc;margin-top:10px}
.breadcrumb a{color:var(--gold-soft)}

/* ---------- CTA strip ---------- */
.cta-strip{background:
   linear-gradient(90deg,var(--gold) 0%, var(--gold-soft) 100%);padding:46px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner h3{color:var(--navy-deep);font-size:1.5rem}
.cta-inner p{color:#4a3f12}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:#b9c4d6;padding-top:56px;font-size:.94rem}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.15fr;gap:36px;padding-bottom:40px}
.site-footer h4{color:#fff;margin-bottom:16px;font-size:1.05rem}
.site-footer a{color:#b9c4d6}
.site-footer a:hover{color:var(--gold-soft)}
.footer-links,.footer-contact{list-style:none;display:grid;gap:10px}
.slogan{color:var(--gold-soft);font-style:italic;margin:10px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:.85rem;color:#8a98ad}

/* ---------- WhatsApp float ---------- */
.whatsapp-float{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;
  background:#25d366;color:#fff;font-size:1.6rem;display:grid;place-items:center;z-index:60;
  box-shadow:0 8px 22px rgba(37,211,102,.45);transition:transform .2s}
.whatsapp-float:hover{transform:scale(1.08)}

/* ---------- Pill / tags ---------- */
.pill{display:inline-block;background:var(--ivory-2);border:1px solid var(--line);
  border-radius:50px;padding:5px 14px;font-size:.8rem;color:var(--navy);margin:3px}

/* process steps */
.steps{counter-reset:step;display:grid;gap:18px}
.step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;align-items:flex-start}
.step::before{counter-increment:step;content:counter(step);flex:0 0 44px;width:44px;height:44px;
  border-radius:12px;background:var(--navy);color:var(--gold);display:grid;place-items:center;
  font-family:'Poppins',sans-serif;font-weight:700;font-size:1.2rem}
.step h4{margin-bottom:4px}

.hide-mobile{display:inline}

/* ===================================================================
   RESPONSIVE  —  Tablet
   =================================================================== */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:54px 0 60px}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .subsidy-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}

  /* mobile nav */
  .nav-toggle{display:flex}
  .main-nav{position:fixed;inset:0 0 0 auto;width:min(82vw,330px);background:var(--ivory);
    flex-direction:column;align-items:stretch;gap:4px;padding:90px 22px 30px;overflow-y:auto;
    box-shadow:-12px 0 40px rgba(0,0,0,.18);transform:translateX(100%);transition:transform .3s ease;z-index:55}
  .main-nav.open{transform:translateX(0)}
  .main-nav a{padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0;font-size:1.05rem}
  .btn-nav{margin:14px 0 0!important;text-align:center}
  .nav-drop{flex-wrap:wrap;justify-content:space-between}
  .nav-drop > a{flex:1;border-bottom:none!important}
  .nav-drop-toggle{padding:14px 12px;font-size:1.1rem}
  .nav-drop-menu{display:none;position:static;box-shadow:none;border:none;padding:0 0 8px 14px;
    background:transparent;min-width:0;width:100%;order:3}
  .nav-drop.open .nav-drop-menu{display:block}
  .nav-drop-menu a{border-bottom:1px solid var(--line);border-radius:0;padding:12px;font-size:.95rem}
  .nav-drop-menu a.nav-overview{border-radius:0}
  body.nav-open{overflow:hidden}
  .nav-backdrop{position:fixed;inset:0;background:rgba(14,29,51,.45);z-index:54;opacity:0;
    visibility:hidden;transition:.3s}
  .nav-backdrop.show{opacity:1;visibility:visible}
}

/* ===================================================================
   RESPONSIVE  —  Mobile
   =================================================================== */
@media (max-width:600px){
  .section{padding:50px 0}
  .grid-4,.grid-3,.grid-2,.form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hide-mobile{display:none}
  .topbar-left span{margin-right:0}
  .cta-inner{flex-direction:column;text-align:center}
  .hero-badges{gap:18px}
  .hero-badge b{font-size:1.35rem}
  .brand-text strong{font-size:1.15rem;letter-spacing:2px}
  .form-card{padding:22px}
  .card{padding:22px}
  .step{flex-direction:row}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}