/* Summit Energy Systems — shared styles */
:root{
  --ink:#0b2e27;
  --ink-2:#2f4a44;
  --muted:#5d736e;
  --line:#dbe5e2;
  --paper:#f6f8f5;
  --white:#ffffff;
  --green-900:#06231d;
  --green-800:#0b3d32;
  --green-700:#105846;
  --green-600:#13866f;
  --green-500:#1fae8a;
  --green-100:#e3f3ee;
  --amber:#f2b632;
  --radius:14px;
  --max:1160px;
  --font:'Manrope',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--green-600);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--green-600);font-weight:500}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(38px,5.6vw,66px)}
h2{font-size:clamp(28px,3.6vw,42px)}
h3{font-size:20px;letter-spacing:-.01em}
p.lead{font-size:clamp(18px,1.6vw,21px);color:var(--ink-2);max-width:640px}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(246,248,245,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:40px;width:auto}
.nav ul{display:flex;gap:6px;list-style:none;align-items:center}
.nav a.link{color:var(--ink-2);font-weight:600;font-size:15px;padding:8px 12px;border-radius:8px}
.nav a.link:hover{background:var(--green-100);text-decoration:none}
.nav a.link[aria-current="page"]{color:var(--green-700);background:var(--green-100)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:12px 20px;border-radius:10px;border:1.5px solid transparent;transition:transform .15s ease,background .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--green-600);color:#fff}
.btn-primary:hover{background:var(--green-700)}
.btn-ghost{border-color:currentColor;color:var(--ink)}
.btn-light{background:#fff;color:var(--green-800)}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--green-900);color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 500px at 85% 10%,rgba(31,174,138,.35),transparent 60%),
  radial-gradient(700px 400px at 0% 100%,rgba(19,134,111,.35),transparent 60%);}
.hero .grid-bg{position:absolute;inset:0;opacity:.12;background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(180deg,#000 30%,transparent 95%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:96px;padding-bottom:104px}
.hero .eyebrow{color:#7fe0c3}
.hero h1{margin:18px 0 22px}
.hero h1 em{font-style:normal;color:#7fe0c3}
.hero p.lead{color:#cfe3dd}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.page-hero .wrap{grid-template-columns:1fr;padding-top:80px;padding-bottom:80px}

/* Telemetry panel */
.panel{background:rgba(6,35,29,.75);border:1px solid rgba(127,224,195,.25);border-radius:18px;padding:22px;box-shadow:0 30px 80px rgba(0,0,0,.35);font-family:var(--mono)}
.panel-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#8fb8ad;letter-spacing:.08em;text-transform:uppercase;padding-bottom:14px;border-bottom:1px dashed rgba(127,224,195,.25)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--amber);display:inline-block;margin-right:8px;box-shadow:0 0 0 4px rgba(242,182,50,.18)}
.metric{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.metric:last-of-type{border-bottom:none}
.metric span{font-size:13px;color:#a9c9c0}
.metric b{font-size:22px;color:#fff;font-weight:600}
.metric b small{font-size:13px;color:#7fe0c3;margin-left:4px;font-weight:500}
.panel-foot{font-size:11.5px;color:#7d9f96;margin-top:10px;line-height:1.5}

/* Sections */
section{padding:96px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{margin:12px 0 14px}
.section-head p{color:var(--ink-2);font-size:18px}
.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.cards{display:grid;gap:20px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.alt .card{background:var(--paper)}
.card h3{margin:14px 0 8px}
.card p{color:var(--ink-2);font-size:15.5px}
.card .num{font-family:var(--mono);font-size:13px;color:var(--green-600);font-weight:500}
.icon{width:44px;height:44px;border-radius:11px;background:var(--green-100);display:grid;place-items:center;color:var(--green-700)}
.icon svg{width:22px;height:22px}

.system{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start}
.spec{font-family:var(--mono);display:inline-block;font-size:13px;background:var(--green-100);color:var(--green-800);padding:4px 10px;border-radius:999px;margin:4px 6px 0 0}
.card ul{margin:12px 0 0 18px;color:var(--ink-2);font-size:15.5px}
.card li{margin:4px 0}

/* Quote / statement band */
.statement{background:var(--green-800);color:#fff}
.statement .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.statement h2{color:#fff}
.statement p{color:#cfe3dd;font-size:18px}
.statement .big{font-size:clamp(26px,3vw,36px);font-weight:700;line-height:1.3;letter-spacing:-.015em}
.statement .big em{font-style:normal;color:#7fe0c3}

/* Timeline */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:22px;height:2px;background:linear-gradient(90deg,var(--green-500),var(--green-700))}
.tl{position:relative;padding-top:52px}
.tl::before{content:"";position:absolute;top:14px;left:0;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--green-600)}
.tl .q{font-family:var(--mono);font-size:13px;color:var(--green-600);font-weight:600;letter-spacing:.06em}
.tl h3{margin:6px 0 8px}
.tl p,.tl li{color:var(--ink-2);font-size:15px}
.tl ul{margin-left:18px}

/* Gate list */
.gates{display:grid;gap:14px}
.gate{display:grid;grid-template-columns:120px 1fr 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;align-items:start}
.gate .id{font-family:var(--mono);font-weight:600;color:var(--green-700)}
.gate .id small{display:block;color:var(--muted);font-weight:400;font-size:12.5px;margin-top:4px}
.gate h3{font-size:18px;margin-bottom:6px}
.gate p,.gate li{font-size:15px;color:var(--ink-2)}
.gate ul{margin-left:18px}

/* Table */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:15px}
.spec-table th,.spec-table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{background:var(--green-800);color:#fff;font-weight:700;font-size:14px}
.spec-table td:first-child{font-weight:700;color:var(--ink)}
.spec-table td{color:var(--ink-2)}
.spec-table tr:last-child td{border-bottom:none}
.table-scroll{overflow-x:auto;border-radius:var(--radius)}

/* CTA */
.cta{background:linear-gradient(135deg,var(--green-700),var(--green-900));color:#fff;border-radius:22px;padding:56px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta h2{color:#fff}
.cta p{color:#cfe3dd;margin-top:12px}
.cta .actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

/* Form */
.form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{font-size:14px;font-weight:700;color:var(--ink);display:grid;gap:6px}
input,select,textarea{font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green-600);background:#fff}
textarea{min-height:130px;resize:vertical}
.note{font-size:13px;color:var(--muted)}

/* Footer */
.site-footer{background:var(--green-900);color:#a9c9c0;padding:64px 0 32px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
.footer-brand b{font-size:20px;letter-spacing:.04em;display:block;line-height:1.1}
.footer-brand small{font-size:11px;letter-spacing:.28em;color:#7fe0c3}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:12px;letter-spacing:.04em}
.site-footer ul{list-style:none;display:grid;gap:8px}
.site-footer a{color:#a9c9c0}
.site-footer a:hover{color:#fff}
.legal{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}

/* Responsive */
@media (max-width:960px){
  .hero .wrap,.statement .wrap,.cta{grid-template-columns:1fr}
  .cta .actions{justify-content:flex-start}
  .cards.c3,.cards.c4{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr;row-gap:36px}
  .timeline::before{display:none}
  .gate{grid-template-columns:1fr;gap:10px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  section{padding:68px 0}
  .menu-toggle{display:block}
  .nav ul{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);flex-direction:column;align-items:stretch;padding:12px 16px 20px;border-bottom:1px solid var(--line)}
  .nav ul.open{display:flex}
  .brand img{height:34px}
  .cards.c3,.cards.c2,.cards.c4,.timeline,.form .row,.footer-grid{grid-template-columns:1fr}
  .hero .wrap{padding-top:64px;padding-bottom:72px}
  .cta{padding:32px 22px}
  .card{padding:22px}
}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
@media (max-width:960px){.contact-grid{grid-template-columns:1fr}}