/* Chisel Solar website — brand + layout */
:root{
  color-scheme: light;
  --amber:#F59E0B; --amber-dark:#d4860a; --navy:#1E293B; --navy-soft:#334155;
  --emerald:#10B981; --emerald-dark:#059669;
  --notion-bg:#FAFAF9; --notion-bg-soft:#f3f3f1; --notion-surface:#fff;
  --notion-text:#1E293B; --notion-text-soft:#64748b; --notion-text-faint:#94a3b8;
  --notion-border:rgba(30,41,59,.12); --notion-border-soft:rgba(30,41,59,.07);
  --notion-blue:#F59E0B; --notion-page-width:1080px;
}
@media (prefers-color-scheme: dark){:root{
  --notion-bg:#FAFAF9; --notion-bg-soft:#f3f3f1; --notion-surface:#fff; --notion-text:#1E293B;
  --notion-text-soft:#64748b; --notion-text-faint:#94a3b8; --notion-border:rgba(30,41,59,.12);
  --notion-border-soft:rgba(30,41,59,.07); --notion-blue:#F59E0B; --notion-surface-hover:#f6f5f4;
}}
body{font-family:"Inter",ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;}
h1,h2,h3{letter-spacing:-0.02em;}
.wrap{max-width:var(--notion-page-width);margin:0 auto;padding:0 24px;}
section{margin:0;}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,250,249,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--notion-border-soft);}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px;color:var(--navy);text-decoration:none;}
.brand .sun{width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fcd34d,var(--amber));box-shadow:0 0 0 4px rgba(245,158,11,.18);}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{color:var(--navy);text-decoration:none;font-size:14.5px;font-weight:500;opacity:.82;}
.nav-links a:hover{opacity:1;}
.nav-cta{background:var(--amber);color:#fff!important;padding:9px 16px;border-radius:10px;font-weight:600;opacity:1!important;}
.nav-cta:hover{background:var(--amber-dark);}
.nav-burger{display:none;background:none;border:none;color:var(--navy);font-size:22px;padding:6px;}
@media(max-width:820px){.nav-links{display:none;}.nav-burger{display:block;}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;padding:12px 22px;border-radius:12px;border:none;cursor:pointer;text-decoration:none;transition:transform .12s,background .15s,box-shadow .15s;}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 6px 16px rgba(245,158,11,.28);}
.btn-primary:hover{background:var(--amber-dark);}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--notion-border);}
.btn-ghost:hover{background:#f3f3f1;}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3);}
.btn-light:hover{background:rgba(255,255,255,.24);}
.btn-link{background:none;color:var(--amber-dark);font-weight:600;padding:4px 0;border:none;cursor:pointer;}
.btn-link:hover{text-decoration:underline;}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%,rgba(245,158,11,.35),transparent 60%),linear-gradient(135deg,#1E293B 0%,#243042 55%,#2c3a4f 100%);color:#fff;}
.hero .wrap{padding-top:80px;padding-bottom:96px;position:relative;z-index:2;}
.hero .eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fcd34d;margin-bottom:16px;}
.hero h1{color:#fff;font-size:clamp(38px,6vw,64px);line-height:1.05;margin:0 0 18px;max-width:14ch;}
.hero h1 .hl{color:var(--amber);}
.hero p.lede{color:rgba(255,255,255,.86);font-size:clamp(17px,2.4vw,21px);max-width:620px;margin:0 0 30px;line-height:1.55;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero .trust{display:flex;flex-wrap:wrap;gap:10px;}
.hero .trust span{font-size:12.5px;font-weight:600;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:7px 13px;border-radius:999px;}
.hero-sun{position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle at 50% 50%,rgba(252,211,77,.5),rgba(245,158,11,0) 65%);z-index:1;}

/* Section shell */
.sec{padding:74px 0;}
.sec.alt{background:#fff;border-top:1px solid var(--notion-border-soft);border-bottom:1px solid var(--notion-border-soft);}
.sec-head{text-align:center;max-width:680px;margin:0 auto 44px;}
.sec-head .eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--amber-dark);margin-bottom:10px;}
.sec-head h2{font-size:clamp(28px,4vw,40px);margin:0 0 12px;}
.sec-head p{color:var(--notion-text-soft);font-size:18px;margin:0;}

/* Tool card */
.tool{background:var(--notion-surface);border:1px solid var(--notion-border-soft);border-radius:22px;padding:30px;box-shadow:0 12px 32px rgba(30,41,59,.06);max-width:880px;margin:0 auto;}
.tool-head{display:flex;align-items:center;gap:13px;margin-bottom:4px;}
.tool-badge{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:24px;background:#fff7ea;border:1px solid #fde7c0;}
.tool h3{margin:0;font-size:22px;}
.tool .sub{color:var(--notion-text-soft);margin:2px 0 22px;font-size:15px;}
.form-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;}
.field{flex:1 1 150px;}
.field label{font-size:13px;}
.seg{display:inline-flex;background:#f1f1ef;border-radius:11px;padding:3px;gap:3px;}
.seg button{background:transparent;color:var(--notion-text-soft);padding:8px 15px;border-radius:9px;font-size:13px;border:none;cursor:pointer;font-weight:500;}
.seg button.active{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(0,0,0,.09);}

/* Results */
.results{margin-top:26px;}
.hidden{display:none!important;}
.statline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.statbox{background:#fbfbfa;border:1px solid var(--notion-border-soft);border-radius:14px;padding:17px;}
.statbox .l{font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--notion-text-faint);}
.statbox .v{font-size:27px;font-weight:800;color:var(--navy);margin-top:4px;}
.statbox .c{font-size:12.5px;color:var(--notion-text-soft);margin-top:3px;}
.statbox.accent .v{color:var(--emerald);}
.bench{margin:18px 0;padding:14px 16px;border-radius:12px;background:#fff7ea;border:1px solid #fde7c0;font-size:14.5px;}
.bar{display:flex;align-items:center;gap:10px;margin:6px 0;font-size:13px;}
.bar .blab{width:84px;color:var(--notion-text-soft);flex:none;}
.bar .btrack{flex:1;height:18px;background:#f1f1ef;border-radius:6px;overflow:hidden;}
.bar .bfill{height:100%;background:linear-gradient(90deg,#fcd34d,var(--amber));border-radius:6px;transition:width .6s ease;}
.bar .bval{width:140px;text-align:right;flex:none;color:var(--navy);font-variant-numeric:tabular-nums;}

/* Meters + routes */
.meter{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;padding:15px;border:1px dashed var(--notion-border);border-radius:14px;margin-bottom:12px;background:#fbfbfa;}
.meter .mi{flex:1 1 120px;}
.meter .mrm button{background:#fff;color:var(--notion-red);border:1px solid var(--notion-border);padding:10px 13px;border-radius:10px;cursor:pointer;}
.routes{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;}
.route{position:relative;border:1px solid var(--notion-border);border-radius:16px;padding:22px;background:#fff;}
.route.best{border:2px solid var(--amber);box-shadow:0 10px 28px rgba(245,158,11,.16);}
.ribbon{position:absolute;top:-12px;left:18px;background:var(--amber);color:#fff;font-size:11.5px;font-weight:700;padding:4px 12px;border-radius:999px;}
.route h4{font-size:16px;margin:0 0 2px;}
.route .rtag{font-size:12px;color:var(--notion-text-faint);margin-bottom:15px;}
.route .rsave{font-size:30px;font-weight:800;color:var(--emerald);line-height:1;}
.route .rsave span{font-size:13px;font-weight:600;color:var(--notion-text-soft);}
.route dl{display:grid;grid-template-columns:1fr auto;gap:7px 10px;margin:15px 0 0;font-size:13.5px;}
.route dt{color:var(--notion-text-soft);}
.route dd{margin:0;text-align:right;font-weight:600;color:var(--navy);font-variant-numeric:tabular-nums;}
.three-ph{margin-top:11px;font-size:11.5px;color:var(--notion-text-faint);}
.viz{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;margin-top:24px;align-items:center;}
.viz h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--notion-text-faint);margin:0 0 8px;}
.donut-wrap{display:flex;align-items:center;gap:16px;}
.donut{width:124px;height:124px;border-radius:50%;flex:none;}
.legend{font-size:13px;}
.legend .lk{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.legend .dot{width:11px;height:11px;border-radius:3px;flex:none;}
.est{margin-top:18px;font-size:12.5px;color:var(--notion-text-faint);}
@media(max-width:680px){.viz{grid-template-columns:1fr;}.statline{grid-template-columns:1fr;}}

/* Why / cards grid */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;}
.fcard{background:#fff;border:1px solid var(--notion-border-soft);border-radius:18px;padding:24px;box-shadow:0 6px 18px rgba(30,41,59,.05);}
.fcard .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:23px;background:#fff7ea;margin-bottom:14px;}
.fcard h4{margin:0 0 7px;font-size:17px;}
.fcard p{margin:0;color:var(--notion-text-soft);font-size:14.5px;line-height:1.55;}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;counter-reset:step;}
.step{position:relative;padding:24px;background:#fff;border:1px solid var(--notion-border-soft);border-radius:18px;}
.step .n{width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:14px;}
.step h4{margin:0 0 6px;font-size:17px;}
.step p{margin:0;color:var(--notion-text-soft);font-size:14.5px;}

/* Scheme */
.scheme-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;}
.schemecard{background:#fff;border:1px solid var(--notion-border-soft);border-radius:16px;padding:20px;}
.schemecard .big{font-size:26px;font-weight:800;color:var(--amber-dark);}
.schemecard h4{margin:6px 0 6px;font-size:15.5px;}
.schemecard p{margin:0;font-size:13.5px;color:var(--notion-text-soft);}

/* FAQ */
.faq{max-width:760px;margin:0 auto;}
.faq details{background:#fff;border:1px solid var(--notion-border-soft);border-radius:14px;margin-bottom:12px;padding:2px 6px;}
.faq summary{padding:16px 12px;font-weight:600;font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--amber);font-size:22px;font-weight:400;}
.faq details[open] summary::after{content:"−";}
.faq details p{padding:0 12px 16px;margin:0;color:var(--notion-text-soft);line-height:1.6;}

/* Lead modal */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:100;padding:18px;}
.modal-back.open{display:flex;}
.modal{background:#fff;border-radius:22px;max-width:520px;width:100%;padding:30px;box-shadow:0 30px 70px rgba(0,0,0,.3);max-height:92vh;overflow:auto;}
.modal h3{margin:0 0 4px;font-size:22px;}
.modal .msub{color:var(--notion-text-soft);margin:0 0 18px;font-size:14.5px;}
.modal .mgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.modal .full{grid-column:1/-1;}
.modal .recap{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:12px;padding:12px 14px;font-size:13.5px;color:#065f46;margin-bottom:16px;}
.modal .close{float:right;background:none;border:none;font-size:24px;color:var(--notion-text-faint);cursor:pointer;line-height:1;}
.modal .success{text-align:center;padding:20px 0;}
.modal .success .tick{width:64px;height:64px;border-radius:50%;background:#dcfce7;color:var(--emerald);display:grid;place-items:center;font-size:34px;margin:0 auto 14px;}

/* Footer */
.footer{background:var(--navy);color:rgba(255,255,255,.78);padding:54px 0 30px;}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px;margin-bottom:30px;}
.footer .brand{color:#fff;}
.footer h5{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.05em;margin:0 0 12px;}
.footer a{display:block;color:rgba(255,255,255,.72);text-decoration:none;font-size:14px;margin-bottom:8px;}
.footer a:hover{color:#fff;}
.footer .bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:13px;color:rgba(255,255,255,.55);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
@media(max-width:680px){.footer .cols{grid-template-columns:1fr;}.modal .mgrid{grid-template-columns:1fr;}}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}