/* === CFK Consulting – Cyber Black & Neon Green Theme === */

:root{
  --bg:#000000;         /* pure black background */
  --bg-2:#0a0a0a;       /* slightly lighter black for panels */
  --card:#0f0f0f;       /* card background */
  --text:#e4ffe4;       /* pale green-white text */
  --muted:#6dd36d;      /* softer green for subtitles */
  --teal:#00ff99;       /* neon green accent */
  --orange:#00ff99;     /* aligned accent for consistency */
  --ring: rgba(0,255,153,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Share Tech Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(0,255,153,.15), transparent 70%),
    radial-gradient(1000px 600px at 100% 100%, rgba(0,255,153,.05), transparent 70%),
    var(--bg);
  color:var(--text);
  cursor: default;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1200px, 92%);margin-inline:auto}

/* Header / Nav */
header.site-header{
  position:sticky;top:0;z-index:10;
  backdrop-filter:saturate(180%) blur(8px);
  background:rgba(0,0,0,0.85);
  border-bottom:1px solid rgba(0,255,153,.25);
  box-shadow:0 2px 14px rgba(0,255,153,.12);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:.2px}
.logo{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--teal),#9fffdc 70%);
  box-shadow:0 6px 18px var(--ring), 0 0 22px rgba(0,255,153,.25) inset;
}
.logo svg{filter:drop-shadow(0 2px 10px rgba(0,0,0,.35))}

.links .menu{display:flex;gap:22px;align-items:center;list-style:none;margin:0;padding:0}
.links .menu a{
  font-weight:600;color:var(--muted);padding:8px 10px;border-radius:10px;transition:all .12s ease;
}
.links .menu a:hover,.links .menu a:focus-visible{
  color:var(--text);background:rgba(0,255,153,.08);outline:none;box-shadow:0 0 0 2px rgba(0,255,153,.15) inset;
}
.cta{
  padding:10px 14px;border-radius:12px;background:var(--teal);color:#001f10;font-weight:800;border:none;
  box-shadow:0 0 15px var(--ring), 0 0 30px rgba(0,255,153,.2);transition:transform .1s, box-shadow .15s;
}
.cta:hover{box-shadow:0 0 25px var(--ring), 0 0 45px rgba(0,255,153,.3); transform:translateY(-1px)}
.cta:active{transform:translateY(1px)}
.hamburger{display:none;background:none;border:none;color:var(--text);padding:8px;border-radius:10px}
.hamburger:focus-visible{outline:2px solid var(--ring)}
@media (max-width: 900px){
  .links{display:none}
  .hamburger{display:inline-grid;place-items:center}
  #mobileMenu{display:none}
  #mobileMenu.open{display:block}
}

/* Hero background wrapper using PNG image */
.hero-bg{
  position:relative;
  background-image:url('landing-bg.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  background-attachment:fixed;
}

/* Dark overlay for readability */
.hero-bg::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(
    to bottom,
    rgba(0,0,0,0.75),
    rgba(0,0,0,0.9)
  );
  pointer-events:none;
}

/* Hero */
.hero{
  position:relative;
  z-index:1;
  padding:72px 0 36px;
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.eyebrow{
  color:var(--teal);font-weight:700;letter-spacing:.18em;text-transform:uppercase;font-size:12px;
  text-shadow:0 0 5px rgba(0,255,153,.6);
}
h1.hero-title{
  font-size:clamp(32px, 4.5vw, 56px);line-height:1.12;margin:10px 0 12px;
  text-shadow:0 0 12px rgba(0,255,153,.35);
}
.sub{color:var(--muted);font-size:clamp(16px,1.6vw,18px)}
.hero-actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;font-weight:700}
.btn.primary{background:var(--teal);color:#001f10;box-shadow:0 0 15px var(--ring), 0 0 30px rgba(0,255,153,.2)}
.btn.ghost{border:1px solid rgba(0,255,153,.25);color:var(--text);background:rgba(0,255,153,.03)}
.btn.ghost:hover{box-shadow:0 0 10px rgba(0,255,153,.15) inset}

.hero-card{
  background:linear-gradient(180deg, rgba(10,10,10,0.96), rgba(20,20,20,0.98));
  border:1px solid rgba(0,255,153,.2);border-radius:20px;padding:22px;
  box-shadow:0 10px 30px rgba(0,0,0,.6), 0 0 10px rgba(0,255,153,.08);
}
.hero-card h3{margin:0 0 8px;font-size:18px}
.hero-card p{margin:0;color:var(--muted);font-size:14px}
@media (max-width: 900px){
  .hero{padding:56px 0 20px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
}

section{padding:56px 0}
.section-title{
  font-size:clamp(24px,3.2vw,34px);margin:0 0 18px;
  text-shadow:0 0 8px rgba(0,255,153,.25);
}
.muted{color:var(--muted)}

/* Grids & Cards */
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media (max-width: 1000px){.grid.cols-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width: 640px){.grid.cols-3{grid-template-columns:1fr}}

.course, .feature, .about .panel{
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border:1px solid rgba(0,255,153,.2);border-radius:18px;padding:18px;
  transition:transform .12s, box-shadow .12s;
  box-shadow:0 0 10px rgba(0,255,153,.08);
}
.course:hover, .feature:hover, .about .panel:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(0,0,0,.35), 0 0 16px rgba(0,255,153,.15);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;
  background:rgba(0,255,153,.12);color:var(--teal);font-weight:700;font-size:12px;margin-bottom:10px;
  box-shadow:0 0 0 1px rgba(0,255,153,.25) inset;
}
.course h3{margin:8px 0 8px;font-size:18px}
.course p{margin:0 0 12px;color:var(--muted);font-size:14px}
.course .meta{display:flex;gap:12px;color:var(--muted);font-size:12px}

/* Services icons (keep original size) */
.icon{
  min-width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg, var(--teal), #aaffea);
}
.icon svg{mix-blend:multiply}

/* About layout */
.about{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
@media (max-width: 900px){.about{grid-template-columns:1fr}}

/* Forms */
form{display:grid;gap:12px}
label{font-weight:600;color:var(--muted)}
input,textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(0,255,153,.22);
  background:var(--bg-2);color:var(--text);
}
input:focus,textarea:focus{
  outline:2px solid var(--ring);border-color:transparent; box-shadow:0 0 12px var(--ring)
}
textarea{min-height:120px;resize:vertical}

/* Footer */
footer.site-footer{
  padding:36px 0;color:var(--muted);
  border-top:1px solid rgba(0,255,153,.3);
  box-shadow:0 -2px 12px rgba(0,255,153,.2);
}