/* ============================================================
   ENSOL — shared stylesheet
   White industrial / engineering theme
   Edit colours & fonts in :root below
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root{
  --bg:#ffffff;          /* page background — white */
  --bg-alt:#f5f6f4;      /* light section band */
  --bg-ink:#15181c;      /* dark sections (footer / hero band) */
  --ink:#15181c;         /* primary text */
  --muted:#5b6168;       /* secondary text */
  --line:#e3e5e2;        /* hairlines / borders */
  --brand:#0a4d8c;       /* ENSOL steel blue */
  --brand-dk:#073662;
  --accent:#e8631b;      /* solar amber — energy accent */
  --accent-dk:#c6500f;
  --good:#1f7a4d;
  --radius:4px;
  --maxw:1180px;
  --shadow:0 1px 2px rgba(21,24,28,.06), 0 8px 28px -12px rgba(21,24,28,.18);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4,.display{font-family:'Archivo',sans-serif;font-weight:800;line-height:1.05;letter-spacing:-.02em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.eyebrow{
  font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;
  letter-spacing:.16em;font-size:12px;color:var(--accent-dk);
}
.lead{font-size:18px;color:var(--muted);max-width:62ch}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:15px;
  padding:13px 24px;border-radius:var(--radius);border:1.5px solid transparent;
  cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dk);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#f0f0ee}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{font-family:'Archivo',sans-serif;font-weight:900;font-size:24px;letter-spacing:.01em;color:var(--ink)}
.logo .mark{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{font-weight:600;font-size:15px;color:var(--ink);transition:.15s}
.nav-links a:hover{color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:0;cursor:pointer;font-size:26px;color:var(--ink)}

/* ---------- hero ---------- */
.hero{
  position:relative;background:var(--bg);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:72px 0 64px;
}
.hero h1{font-size:clamp(38px,6vw,68px);color:var(--ink)}
.hero h1 .hl{color:var(--accent)}
.hero .lead{margin-top:22px;font-size:19px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-stats{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.hero-stats .n{font-family:'Archivo';font-weight:900;font-size:30px;color:var(--brand)}
.hero-stats .l{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}

/* hero category cards */
.cat-stack{display:grid;gap:12px}
.cat-card{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 22px;border:1.5px solid var(--line);border-radius:var(--radius);
  background:#fff;transition:.18s ease;
}
.cat-card:hover{border-color:var(--accent);transform:translateX(4px);box-shadow:var(--shadow)}
.cat-card .ct{font-family:'Archivo';font-weight:800;font-size:18px}
.cat-card .cs{font-size:13px;color:var(--muted)}
.cat-card .arrow{font-family:'Archivo';font-weight:800;color:var(--accent);font-size:20px}

/* ---------- sections ---------- */
section{padding:72px 0}
.band{background:var(--bg-alt)}
.band-dark{background:var(--bg-ink);color:#fff}
.band-dark h2,.band-dark h3{color:#fff}
.band-dark .lead{color:#aab0b6}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(28px,4vw,42px)}
.sec-head .lead{margin-top:14px}

/* product grid */
.grid{display:grid;gap:22px}
.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;transition:.18s ease;height:100%;
}
.card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-3px)}
.card .tag{font-family:'Archivo';font-weight:700;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-dk)}
.card h3{font-size:21px;margin:10px 0 10px}
.card p{font-size:15px;color:var(--muted)}
.card .more{display:inline-block;margin-top:16px;font-family:'Archivo';font-weight:700;font-size:14px;color:var(--brand)}
.card .more:hover{color:var(--accent)}

/* image placeholder (until you add real photos) */
.imgph{
  width:100%;aspect-ratio:16/10;border-radius:var(--radius);
  background:repeating-linear-gradient(45deg,#eef0ee,#eef0ee 12px,#e7e9e6 12px,#e7e9e6 24px);
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:#9aa0a4;font-family:'Archivo';font-weight:700;font-size:13px;
  letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line);
}
.imgph.tall{aspect-ratio:4/5}
.imgph.wide{aspect-ratio:21/9}

/* feature list */
.feat{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.feat .bullet{flex:none;width:30px;height:30px;border-radius:var(--radius);background:rgba(232,99,27,.12);
  color:var(--accent-dk);font-family:'Archivo';font-weight:900;display:flex;align-items:center;justify-content:center;font-size:15px}
.feat h4{font-size:17px;margin-bottom:3px}
.feat p{font-size:14px;color:var(--muted)}

/* spec table */
.spec{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec th,.spec td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.spec th{background:var(--bg-alt);font-family:'Archivo';font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink)}
.spec tr:last-child td{border-bottom:0}
.spec td:first-child{font-weight:600;color:var(--ink)}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}
.chip{font-size:13px;font-weight:600;padding:6px 13px;border:1px solid var(--line);border-radius:100px;background:#fff;color:var(--muted)}
.band-dark .chip{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#cfd4d8}

/* global reach */
.reach{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.reach .r{padding:22px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);background:rgba(255,255,255,.04)}
.reach .r .n{font-family:'Archivo';font-weight:900;font-size:30px;color:var(--accent)}
.reach .r .l{font-size:14px;color:#aab0b6;margin-top:4px}

/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.fg{margin-bottom:16px}
.fg label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.fg input,.fg select,.fg textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:15px;background:#fff;color:var(--ink);transition:.15s;
}
.fg input:focus,.fg select:focus,.fg textarea:focus{outline:0;border-color:var(--accent)}
.fg textarea{min-height:110px;resize:vertical}

/* contact cards */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.contact-cards .cc{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.contact-cards .cc .k{font-family:'Archivo';font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent-dk)}
.contact-cards .cc .v{font-size:18px;font-weight:700;margin-top:6px}
.contact-cards .cc a{color:var(--brand)}

/* breadcrumb / page hero */
.page-hero{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:54px 0}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}
.page-hero h1{font-size:clamp(32px,5vw,52px)}
.page-hero .lead{margin-top:14px}

/* job cards */
.job{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;transition:.18s}
.job:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.job .top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;flex-wrap:wrap}
.job h3{font-size:20px}
.job .meta{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.job .badge{font-size:12px;font-weight:600;padding:4px 11px;border-radius:100px;background:var(--bg-alt);color:var(--muted)}
.job .openings{font-family:'Archivo';font-weight:900;font-size:15px;color:var(--accent);white-space:nowrap}
.job ul{margin:10px 0 0 18px;font-size:14px;color:var(--muted)}
.job li{margin-bottom:5px}

/* blog cards */
.blog-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.18s;height:100%;display:flex;flex-direction:column}
.blog-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-3px)}
.blog-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.blog-card .cat{font-family:'Archivo';font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-dk)}
.blog-card h3{font-size:19px;margin:9px 0 9px}
.blog-card p{font-size:14px;color:var(--muted);flex:1}
.blog-card .read{margin-top:14px;font-family:'Archivo';font-weight:700;font-size:13px;color:var(--brand)}

/* team cards */
.team-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;text-align:center;transition:.18s}
.team-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.team-card .ph{aspect-ratio:1;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:#b5bbc0;font-family:'Archivo';font-weight:800;font-size:13px;letter-spacing:.08em}
.team-card .info{padding:20px}
.team-card h3{font-size:18px}
.team-card .role{font-size:13px;color:var(--accent-dk);font-weight:600;margin:4px 0 8px;text-transform:uppercase;letter-spacing:.04em}
.team-card .ph-num{font-size:14px;color:var(--muted)}

/* footer */
footer{background:var(--bg-ink);color:#cfd4d8;padding:60px 0 30px}
footer h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;font-family:'Archivo';font-weight:700}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.foot-grid a{display:block;color:#aab0b6;font-size:14px;padding:4px 0;transition:.15s}
.foot-grid a:hover{color:var(--accent)}
.foot-logo{font-family:'Archivo';font-weight:900;font-size:26px;color:#fff;margin-bottom:14px}
.foot-logo .mark{color:var(--accent)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:24px;font-size:13px;color:#7d848a;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* utility */
.center{text-align:center}
.mt-s{margin-top:14px}.mt-m{margin-top:28px}.mt-l{margin-top:48px}
.divider{height:1px;background:var(--line);border:0;margin:0}
.note{font-size:13px;color:var(--muted)}
.prose{max-width:760px}
.prose h2{font-size:28px;margin:38px 0 14px}
.prose h3{font-size:21px;margin:28px 0 10px}
.prose p{margin-bottom:16px;font-size:16.5px;color:#2c3138}
.prose ul{margin:0 0 16px 22px}.prose li{margin-bottom:8px;color:#2c3138}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:48px 0}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .reach{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-cards{grid-template-columns:1fr}
}
@media(max-width:640px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:16px 24px;gap:14px}
  .burger{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .reach{grid-template-columns:1fr 1fr}
  .hero-stats{gap:24px}
  section{padding:52px 0}
}