/* Zheke Technologies and Services — v2
   Modern consultancy style: deep navy, electric teal accent, card grids */

:root{
  --bg:#0B1220;          /* deep navy */
  --bg-soft:#111B2E;     /* section alt */
  --card:#16233A;        /* card surface */
  --card-edge:#243450;   /* card border */
  --text:#E8EDF5;        /* near-white */
  --muted:#9FB0C7;       /* secondary text */
  --accent:#2DD4BF;      /* electric teal */
  --accent-deep:#14B8A6;
  --max:1140px;
  --radius:14px;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

body{
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1.0625rem;line-height:1.65;
  color:var(--text);background:var(--bg);
}

.wrap{max-width:var(--max);margin:0 auto;padding:0 1.4rem}

a{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(11,18,32,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--card-edge);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  min-height:4.5rem;gap:1rem;
}
.brand{
  display:flex;align-items:center;gap:.6rem;
  font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none;
}
.brand .mark{
  width:2.1rem;height:2.1rem;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--accent),#3B82F6);
  color:#0B1220;display:grid;place-items:center;font-weight:800;font-size:1.15rem;
}
.nav{display:flex;gap:1.6rem;align-items:center}
.nav a{
  color:var(--muted);text-decoration:none;font-weight:500;font-size:.98rem;
  transition:color .15s;
}
.nav a:hover{color:var(--text)}
.nav a[aria-current="page"]{color:var(--accent);font-weight:600}
.nav .nav-cta{
  background:var(--accent);color:#06251F;padding:.55rem 1.1rem;
  border-radius:999px;font-weight:700;
}
.nav .nav-cta:hover{background:var(--accent-deep);color:#06251F}
.menu-btn{
  display:none;background:none;border:1px solid var(--card-edge);
  color:var(--text);font:inherit;font-weight:600;border-radius:8px;
  padding:.4rem .9rem;cursor:pointer;
}

/* ---------- type & shared ---------- */
h1{font-size:clamp(2.3rem,5.6vw,3.8rem);line-height:1.08;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.15;font-weight:750;letter-spacing:-.01em}
h3{font-size:1.15rem;font-weight:650}
p{max-width:64ch}
.muted{color:var(--muted)}

.eyebrow{
  display:inline-block;color:var(--accent);font-weight:600;font-size:.95rem;
  margin-bottom:.9rem;
}
.section-head{max-width:44rem;margin-bottom:2.6rem}
.section-head p{margin-top:.8rem;color:var(--muted)}

.btn{
  display:inline-block;text-decoration:none;font-weight:700;font-size:1rem;
  padding:.9rem 1.7rem;border-radius:999px;border:none;cursor:pointer;
  font-family:inherit;transition:transform .15s, background .15s;
}
.btn.primary{background:var(--accent);color:#06251F}
.btn.primary:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn.outline{
  color:var(--text);background:transparent;
  box-shadow:inset 0 0 0 1.5px var(--card-edge);
}
.btn.outline:hover{box-shadow:inset 0 0 0 1.5px var(--accent);color:var(--accent)}
.actions{display:flex;gap:1rem;flex-wrap:wrap}

/* ---------- hero ---------- */
.hero{
  padding:6rem 0 5rem;text-align:center;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:auto 0 0 0;top:-40%;
  background:
    radial-gradient(60rem 30rem at 50% -10%, rgba(45,212,191,.16), transparent 60%),
    radial-gradient(40rem 24rem at 80% 0%, rgba(59,130,246,.12), transparent 60%);
  pointer-events:none;
}
.hero .wrap{position:relative;max-width:56rem}
.hero h1{margin:0 auto}
.hero .sub{
  margin:1.4rem auto 2.2rem;color:var(--muted);
  font-size:clamp(1.05rem,2vw,1.25rem);max-width:44rem;
}
.hero .actions{justify-content:center}
.trust{
  margin-top:3.5rem;color:var(--muted);font-size:.95rem;
}
.trust ul{
  list-style:none;display:flex;gap:2.4rem;justify-content:center;
  flex-wrap:wrap;margin-top:1rem;font-weight:600;color:var(--text);
}

/* page hero (inner pages) */
.page-hero{padding:4.5rem 0 3rem;text-align:left}
.page-hero .sub{margin-top:1.1rem;color:var(--muted);font-size:1.15rem;max-width:46rem}

/* ---------- sections ---------- */
.section{padding:4.5rem 0}
.section.alt{background:var(--bg-soft)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}

.card{
  background:var(--card);border:1px solid var(--card-edge);
  border-radius:var(--radius);padding:1.8rem;
  transition:border-color .15s, transform .15s;
}
.card:hover{border-color:var(--accent);transform:translateY(-3px)}
.card h3{margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.98rem}
.card ul{margin-top:.8rem;padding-left:1.1rem;color:var(--muted);font-size:.95rem}
.card li{margin:.3rem 0}
.card .icon{
  width:2.6rem;height:2.6rem;border-radius:10px;margin-bottom:1.1rem;
  background:linear-gradient(135deg,rgba(45,212,191,.2),rgba(59,130,246,.2));
  display:grid;place-items:center;color:var(--accent);font-size:1.25rem;font-weight:700;
}
a.card{display:block;text-decoration:none;color:var(--text)}

/* steps (real sequence on quote page) */
.steps{counter-reset:step;display:grid;gap:1.2rem}
.step{
  display:grid;grid-template-columns:3rem 1fr;gap:1.1rem;align-items:start;
  background:var(--card);border:1px solid var(--card-edge);
  border-radius:var(--radius);padding:1.3rem 1.5rem;
}
.step::before{
  counter-increment:step;content:counter(step);
  width:2.4rem;height:2.4rem;border-radius:50%;
  background:var(--accent);color:#06251F;font-weight:800;
  display:grid;place-items:center;font-size:1.05rem;
}
.step p{color:var(--muted);font-size:.97rem}

/* ---------- CTA band ---------- */
.cta-band{
  margin:4.5rem auto;max-width:var(--max);padding:0 1.4rem;
}
.cta-band .inner{
  background:linear-gradient(135deg,#123B36,#0F2A44);
  border:1px solid var(--card-edge);border-radius:20px;
  padding:3.5rem 2.5rem;text-align:center;
}
.cta-band p{margin:1rem auto 2rem;color:var(--muted);max-width:40rem}
.cta-band .actions{justify-content:center}

/* ---------- forms ---------- */
form{display:grid;gap:1.1rem;max-width:34rem}
label{font-weight:600;display:grid;gap:.4rem;font-size:.98rem}
input,textarea,select{
  font:inherit;padding:.75rem .9rem;border-radius:10px;
  border:1px solid var(--card-edge);background:var(--bg-soft);
  color:var(--text);width:100%;
}
input:focus,textarea:focus,select:focus{border-color:var(--accent);outline:none}
textarea{min-height:8rem;resize:vertical}
.form-note{font-size:.88rem;color:var(--muted)}

.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:3rem}
.contact-card{margin-bottom:1.6rem}
.contact-card h3{color:var(--accent);margin-bottom:.3rem}
.contact-card p{color:var(--muted)}
.contact-card a{font-weight:600}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--card-edge);
  padding:3rem 0 2.5rem;margin-top:2rem;
}
.site-footer .wrap{
  display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;
}
.site-footer .tagline{color:var(--muted);margin-top:.4rem;font-size:.95rem}
.site-footer nav{display:flex;gap:1.4rem;flex-wrap:wrap;align-items:center}
.site-footer nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.site-footer nav a:hover{color:var(--text)}
.fineprint{font-size:.85rem;color:var(--muted);margin-top:1rem}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .grid-2,.grid-3,.contact-grid{grid-template-columns:1fr}
  .menu-btn{display:block}
  .nav{
    display:none;position:absolute;left:0;right:0;top:4.5rem;
    background:var(--bg);flex-direction:column;align-items:flex-start;
    gap:0;padding:.6rem 1.4rem 1.4rem;border-bottom:1px solid var(--card-edge);
  }
  .nav.open{display:flex}
  .nav a{padding:.85rem 0;width:100%;border-bottom:1px solid var(--card-edge)}
  .nav .nav-cta{margin-top:.9rem;text-align:center}
  .hero{padding:4rem 0 3.5rem}
  .cta-band .inner{padding:2.5rem 1.5rem}
}