/* =========================================
   EV Calculator India – Main CSS
   Theme: Dark (style.css colors as base)
   ========================================= */
:root{
  --bg:#070b14; --card:#111a2b; --card2:#0d1525; --text:#edf4ff; --dim:#8b98b2;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --green:#22e08a; --green2:#34d399; --cyan:#22d3ee; --red:#fb7185; --amber:#fbbf24;
  --shadow:0 18px 44px rgba(0,0,0,.28); --shadow2:0 8px 22px rgba(0,0,0,.18); --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);min-height:100vh;
  background:
    radial-gradient(circle at 14% 0%,rgba(34,224,138,.12),transparent 42%),
    radial-gradient(circle at 86% 10%,rgba(56,189,248,.11),transparent 42%),
    linear-gradient(180deg,#050810 0%,#070b14 100%);
  padding:0 0 56px;
}

/* ---- NAV ---- */
.site-nav{
  position:sticky;top:0;z-index:999;
  background:rgba(7,11,20,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:1080px;margin:0 auto;padding:0 18px;
  display:flex;align-items:center;gap:8px;height:58px;
}
.nav-brand{
  color:var(--green);font-size:15px;font-weight:900;text-decoration:none;
  white-space:nowrap;margin-right:auto;letter-spacing:-.3px;
}
.nav-brand:hover{color:var(--green2)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  color:var(--dim);text-decoration:none;font-size:13.5px;font-weight:700;
  padding:8px 12px;border-radius:8px;white-space:nowrap;
  transition:color .15s ease,background .15s ease;
}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.06)}
.nav-dropdown{position:relative}
.nav-dropdown-btn{
  background:none;border:none;cursor:pointer;
  color:var(--dim);font-size:13.5px;font-weight:700;
  padding:8px 12px;border-radius:8px;white-space:nowrap;
  transition:color .15s ease,background .15s ease;
}
.nav-dropdown-btn:hover,.nav-dropdown-btn.open{color:var(--text);background:rgba(255,255,255,.06)}
.nav-dropdown-menu{
  display:none;position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);
  background:var(--card);border:1px solid var(--line2);border-radius:14px;
  padding:8px;min-width:420px;box-shadow:var(--shadow);
}
.nav-dropdown-menu.open{display:grid;grid-template-columns:1fr 1fr;gap:2px 6px}
.nav-dropdown-menu a{
  display:block;padding:9px 14px;border-radius:9px;
  color:var(--dim);text-decoration:none;font-size:13px;font-weight:600;
  transition:color .13s ease,background .13s ease;
}
.nav-dropdown-menu a:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line2);color:var(--dim);
  padding:6px 10px;border-radius:8px;cursor:pointer;font-size:16px;
}

/* ---- LAYOUT ---- */
.wrap{max-width:1020px;margin:0 auto;padding:18px 16px 0}
.page-wrap{max-width:780px;margin:0 auto;padding:24px 16px 0}

/* ---- HERO ---- */
.hero{text-align:center;padding:28px 10px 12px}
.hero h1{
  margin:0 0 10px;font-size:clamp(26px,5vw,42px);line-height:1.05;font-weight:900;letter-spacing:-.7px;
  background:linear-gradient(90deg,var(--green),var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p{margin:0;color:var(--dim);font-size:14px;line-height:1.6;max-width:600px;margin:0 auto}

/* ---- CARDS ---- */
.card{
  background:linear-gradient(180deg,var(--card),var(--card2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-top:18px;
}
.card-title{margin:0 0 6px;display:flex;align-items:center;gap:8px;font-size:17px;font-weight:850}
.card-sub{margin:0 0 18px;color:var(--dim);font-size:13px;line-height:1.55}

/* ---- CALCULATOR FORM ---- */
.calc-card{
  background:linear-gradient(180deg,var(--card),var(--card2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);margin-top:20px;
}
.calc-title{
  font-size:clamp(18px,3vw,24px);font-weight:900;letter-spacing:-.4px;
  background:linear-gradient(90deg,var(--green),var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin:0 0 6px;
}
.calc-sub{color:var(--dim);font-size:13.5px;line-height:1.6;margin:0 0 20px}
.section-label{
  display:flex;align-items:center;gap:7px;margin:22px 0 12px;
  color:var(--green);font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;
}
.section-label::after{content:"";height:1px;flex:1;background:var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:8px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:8px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;color:var(--dim);font-weight:700;line-height:1.4}
.field input,.field select,.field textarea{
  appearance:none;background:#0a1020;color:var(--text);
  border:1px solid var(--line);padding:11px 12px;border-radius:11px;font-size:14.5px;outline:none;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(34,224,138,.7);box-shadow:0 0 0 3px rgba(34,224,138,.12)
}
.field select option{background:var(--card);color:var(--text)}
.field .hint{font-size:11.5px;color:var(--dim);margin-top:2px;line-height:1.4}
.btn-calc{
  width:100%;margin-top:14px;padding:14px 14px;border:none;border-radius:12px;cursor:pointer;
  color:#04150d;font-size:15px;font-weight:900;
  background:linear-gradient(90deg,var(--green),var(--cyan));
  box-shadow:0 10px 24px rgba(34,224,138,.14);transition:transform .14s ease,box-shadow .14s ease
}
.btn-calc:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(34,224,138,.22)}

/* ---- RESULTS ---- */
.results{margin-top:20px;display:grid;gap:10px;animation:fadein .24s ease}
.results.hidden{display:none}
.stat{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#0a1020;border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.stat .lbl{font-size:13px;color:var(--dim);line-height:1.35}
.stat .val{font-size:15px;font-weight:800;text-align:right}
.stat.highlight{border-color:rgba(34,224,138,.34);background:linear-gradient(90deg,rgba(34,224,138,.10),rgba(34,211,238,.06))}
.stat.highlight .val{font-size:17px;background:linear-gradient(90deg,var(--green),var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat.danger .val{color:var(--red)}
.note{margin-top:10px;color:var(--dim);font-size:12px;line-height:1.55}
.disclaimer{
  background:rgba(251,191,36,.07);border:1px solid rgba(251,191,36,.24);
  border-radius:12px;padding:14px 16px;color:#ead79a;font-size:12.5px;line-height:1.6;margin-bottom:18px;
}
.disclaimer b{color:var(--amber)}
.disclaimer ul{margin:8px 0 0;padding-left:18px}
.disclaimer li{margin-bottom:4px}

/* ---- TABLES ---- */
.scrollbox{max-height:320px;overflow:auto;border-radius:12px;border:1px solid var(--line);margin-top:16px}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{
  position:sticky;top:0;z-index:1;background:var(--card2);color:var(--dim);
  text-align:right;padding:9px 12px;border-bottom:1px solid var(--line);
  font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
}
thead th:first-child,tbody td:first-child{text-align:left}
tbody td{padding:9px 12px;text-align:right;border-bottom:1px solid rgba(255,255,255,.04)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(255,255,255,.03)}
.tfoot-row td,.tfoot-row th{
  font-weight:800;color:var(--green);background:rgba(34,224,138,.06);
  border-top:1px solid rgba(34,224,138,.22);
}
.savings-row td{color:var(--amber)!important;font-weight:800}

/* ---- COMPARISON TABLE ---- */
.comp-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:13.5px}
.comp-table th,.comp-table td{padding:10px 12px;text-align:right;border-bottom:1px solid var(--line)}
.comp-table th:first-child,.comp-table td:first-child{text-align:left;color:var(--dim)}
.comp-table th{color:var(--dim);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:var(--card2)}
.comp-table .ev-col{color:var(--green);font-weight:800}
.comp-table .fuel-col{color:var(--cyan)}
.comp-table .total-row td{font-weight:800;background:rgba(255,255,255,.04)}
.comp-table .savings-row td{color:var(--amber);font-weight:800;background:rgba(251,191,36,.06);border-top:1px solid rgba(251,191,36,.2)}

/* ---- HOME CALCULATOR GRID ---- */
.calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:16px}
.calc-item{
  display:block;text-decoration:none;color:var(--text);
  background:linear-gradient(135deg,var(--card),var(--card2));
  border:1px solid var(--line);border-radius:14px;padding:18px;
  transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;
}
.calc-item:hover{transform:translateY(-2px);border-color:rgba(34,224,138,.3);box-shadow:0 12px 28px rgba(0,0,0,.25)}
.calc-item .icon{font-size:24px;margin-bottom:8px;display:block}
.calc-item .name{font-size:14px;font-weight:800;color:var(--green);margin-bottom:4px}
.calc-item .desc{font-size:12.5px;color:var(--dim);line-height:1.5}

/* ---- BLOG ---- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin-top:18px}
.blog-card{
  background:linear-gradient(180deg,var(--card),var(--card2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow2);display:flex;flex-direction:column;gap:10px;
}
.blog-card .blog-tag{
  display:inline-block;background:rgba(34,224,138,.12);border:1px solid rgba(34,224,138,.25);
  color:var(--green);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;
  padding:3px 9px;border-radius:999px;
}
.blog-card h2{font-size:16px;font-weight:800;line-height:1.4;margin:0}
.blog-card p{font-size:13px;color:var(--dim);line-height:1.65;margin:0;flex:1}
.blog-card .blog-meta{font-size:11.5px;color:var(--dim);display:flex;gap:12px;align-items:center}
.read-more{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;
  color:var(--cyan);text-decoration:none;margin-top:auto;
  border:1px solid rgba(34,211,238,.3);padding:8px 14px;border-radius:999px;
  background:rgba(34,211,238,.07);transition:all .2s ease;
}
.read-more:hover{background:rgba(34,211,238,.14);border-color:rgba(34,211,238,.5)}

/* ---- EV COMPARE CARDS ---- */
.ev-compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:16px}
.ev-card{
  background:#0a1020;border:1px solid var(--line);border-radius:14px;padding:18px;
}
.ev-card h3{margin:0 0 12px;font-size:15px;color:var(--cyan);font-weight:800}
.ev-card .ev-row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line);font-size:13px}
.ev-card .ev-row:last-child{border-bottom:none}
.ev-card .ev-row .k{color:var(--dim)}
.ev-card .ev-row .v{font-weight:700;color:var(--green)}

/* ---- FILTER GRID ---- */
.filter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:14px}
.filter-block{
  background:#0a1020;border:1px solid var(--line);border-radius:14px;padding:18px;
}
.filter-block h3{font-size:14px;color:var(--cyan);font-weight:800;margin:0 0 14px}
.filter-block label{display:block;font-size:12px;color:var(--dim);font-weight:700;margin-bottom:5px;margin-top:10px}
.filter-block label:first-of-type{margin-top:0}
.filter-block select{
  width:100%;appearance:none;background:#070b14;color:var(--text);
  border:1px solid var(--line);padding:10px 12px;border-radius:10px;font-size:14px;outline:none;
  transition:border-color .16s ease;
}
.filter-block select:focus{border-color:rgba(34,224,138,.7)}

/* ---- ANIMATIONS ---- */
@keyframes fadein{from{opacity:.25;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ---- FOOTER ---- */
.site-footer{
  text-align:center;color:var(--dim);font-size:12px;margin-top:40px;
  padding:20px 16px;border-top:1px solid var(--line);line-height:1.8;
}
.site-footer a{color:var(--cyan);text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-nav{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:10px}

/* ---- TOAST ---- */
.toast{
  position:fixed;left:50%;bottom:20px;transform:translateX(-50%) translateY(20px);
  background:rgba(8,13,24,.94);border:1px solid rgba(255,255,255,.12);color:#fff;
  padding:10px 16px;border-radius:999px;font-size:13px;font-weight:700;
  box-shadow:var(--shadow2);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;z-index:9999;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---- BREADCRUMB ---- */
.breadcrumb{font-size:12.5px;color:var(--dim);padding:12px 0 0;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--cyan);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{color:var(--dim)}

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .nav-links{
    display:none;position:absolute;top:58px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(7,11,20,.98);border-bottom:1px solid var(--line);padding:10px;
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .nav-dropdown-menu{position:static;transform:none;box-shadow:none;background:rgba(255,255,255,.04);border:none;border-radius:10px;margin-top:4px;min-width:0}
  .nav-dropdown-menu.open{display:grid;grid-template-columns:1fr 1fr}
  .nav-dropdown-btn,.nav-link{width:100%;text-align:left;padding:11px 14px}
  .grid,.grid-2{grid-template-columns:1fr}
  .calc-card{padding:18px}
  .hero h1{font-size:24px}
}
@media(max-width:480px){
  .calc-grid{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .ev-compare-grid,.filter-grid{grid-template-columns:1fr}
  .stat{flex-direction:column;align-items:flex-start}
  .stat .val{font-size:14px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}