/* IM Group — electrical company. Deep navy + electric blue + energy amber. */
:root{
  --navy:#0e1830;
  --navy-2:#13223f;
  --bg:#ffffff;
  --surface:#f5f7fb;
  --ink:#121826;
  --muted:#5a6678;
  --line:#e3e8f0;
  --blue:#1f6fed;       /* electric blue */
  --blue-ink:#1657c4;
  --amber:#ffb300;      /* energy accent */
  --amber-ink:#b97e00;
  --radius:14px;
  --maxw:1140px;
  --shadow:0 10px 30px rgba(16,30,60,.08);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0b1220; --surface:#121c30; --ink:#eef2f8; --muted:#9aa7bd; --line:#223049;
    --blue:#4f90ff; --blue-ink:#7badff; --amber:#ffc23d; --amber-ink:#ffd477;
    --shadow:0 10px 30px rgba(0,0,0,.4);
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:var(--blue-ink);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;text-wrap:balance}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--blue);color:#fff;
  padding:.8rem 1.4rem;border-radius:999px;font-weight:600;border:0;cursor:pointer;
  transition:transform .12s ease,background .12s ease;text-decoration:none}
.btn:hover{background:var(--blue-ink);text-decoration:none;transform:translateY(-1px)}
.btn-amber{background:var(--amber);color:#1a1200}
.btn-amber:hover{background:var(--amber-ink)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{background:var(--surface)}
.btn-sm{padding:.55rem 1rem;font-size:.92rem}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;gap:1.2rem;height:66px}
.brand{font-weight:800;font-size:1.3rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.brand-im{color:var(--blue)}
.main-nav{display:flex;gap:1.1rem;margin-left:auto;flex-wrap:wrap}
.main-nav a{color:var(--muted);font-weight:500;font-size:.95rem}
.main-nav a:hover,.main-nav a.is-active{color:var(--ink);text-decoration:none}
.head-actions{display:flex;align-items:center;gap:.7rem}
.lang-switch{font-weight:700;font-size:.85rem;color:var(--muted);border:1.5px solid var(--line);
  border-radius:8px;padding:.3rem .55rem}
.lang-switch:hover{color:var(--ink);text-decoration:none}

/* hero */
.hero{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#eaf1ff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(900px 400px at 85% -10%,rgba(31,111,237,.35),transparent 60%),
             radial-gradient(500px 300px at 10% 110%,rgba(255,179,0,.14),transparent 60%)}
.hero-inner{position:relative;z-index:1;padding:5rem 0 5.5rem;max-width:760px}
.kicker{display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;letter-spacing:.12em;
  text-transform:uppercase;color:#a9c6ff;border:1px solid rgba(169,198,255,.3);
  padding:.35rem .8rem;border-radius:999px;margin-bottom:1.4rem}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.5rem);color:#fff;margin-bottom:1.1rem}
.hero .lead{font-size:clamp(1.05rem,2.3vw,1.2rem);color:#c9d6ee;max-width:60ch;margin-bottom:2rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}

/* sections */
section{padding:4.5rem 0}
.sec-head{max-width:640px;margin-bottom:2.4rem}
.sec-kicker{color:var(--blue-ink);font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.sec-head h2{font-size:clamp(1.7rem,4vw,2.4rem);margin:.5rem 0}
.sec-head p{color:var(--muted);font-size:1.05rem}
.alt{background:var(--surface)}

/* services grid */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.2rem}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;
  box-shadow:var(--shadow);transition:transform .14s ease,border-color .14s ease}
.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--blue) 40%,var(--line))}
.card .ic{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:12px;
  background:color-mix(in srgb,var(--blue) 12%,transparent);color:var(--blue);margin-bottom:1rem}
.card h3{font-size:1.2rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.97rem}
.card a.more{display:inline-block;margin-top:1rem;font-weight:600;color:var(--blue-ink)}

/* about */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:2.5rem;align-items:center}
.about-grid .points{list-style:none;display:grid;gap:.8rem}
.about-grid .points li{display:flex;gap:.6rem;align-items:flex-start}
.about-grid .points .tick{color:var(--amber-ink);flex:0 0 auto}

/* cta band */
.cta-band{background:linear-gradient(120deg,var(--blue),var(--blue-ink));color:#fff;border-radius:20px;
  padding:2.6rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.5rem,3.5vw,2rem);max-width:22ch}

/* forms */
.form-wrap{max-width:780px}
.field{margin-bottom:1.15rem}
.field label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.95rem}
.field .req{color:var(--blue)}
.field input[type=text],.field input[type=email],.field input[type=tel],
.field textarea,.field select,.field input[type=file]{
  width:100%;padding:.7rem .85rem;border:1.5px solid var(--line);border-radius:10px;
  background:var(--bg);color:var(--ink);font:inherit}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.checks{display:flex;flex-wrap:wrap;gap:.6rem}
.check{display:flex;align-items:center;gap:.45rem;border:1.5px solid var(--line);border-radius:999px;
  padding:.45rem .9rem;cursor:pointer;font-size:.92rem}
.check input{accent-color:var(--blue)}
.consent{display:flex;gap:.55rem;align-items:flex-start;font-size:.92rem;color:var(--muted)}
.hp{position:absolute;left:-9999px}  /* honeypot */
.note{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;
  color:var(--muted);font-size:.95rem;margin-bottom:1.5rem}
.msg-ok{background:color-mix(in srgb,#17a34a 12%,transparent);border:1px solid #17a34a;color:#0f7a37;
  padding:1.2rem 1.4rem;border-radius:12px}
.msg-err{background:color-mix(in srgb,#dc2626 10%,transparent);border:1px solid #dc2626;color:#b11;
  padding:1rem 1.2rem;border-radius:12px;margin-bottom:1.2rem}

/* legal / prose */
.prose{max-width:760px}
.prose h1{font-size:2rem;margin-bottom:1rem}
.prose h2{font-size:1.3rem;margin:1.8rem 0 .6rem}
.prose p,.prose li{color:var(--muted);margin-bottom:.7rem}
.prose ul{padding-left:1.2rem}

/* footer */
.site-foot{background:var(--navy);color:#c9d6ee;margin-top:3rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:2rem;padding:3rem 20px 1.5rem}
.site-foot h4{color:#fff;font-size:1rem;margin-bottom:.7rem}
.site-foot a{color:#a9c6ff}
.foot-muted{color:#8fa2c4;font-size:.92rem;margin-bottom:.3rem}
.brand-foot{color:#fff;font-size:1.25rem;margin-bottom:.6rem}
.foot-links{margin-top:.5rem;font-size:.92rem}
.foot-copy{border-top:1px solid rgba(255,255,255,.12);padding:1.1rem 20px;font-size:.88rem;color:#8fa2c4}

/* responsive */
@media (max-width:860px){
  .about-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .main-nav{display:none}
  .grid-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
}