:root{
  --blue:#2b6cb0;
  --red:#e5534b;
  --dark:#0f1720;
  --muted:#556680;
  --card:#ffffff;
  --bg:#ffffff;
  --radius:12px;
  font-family: 'Inter', Arial, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--dark);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--red)}
header{
  background:#fff;padding:12px 28px;
  display:flex;align-items:center;justify-content:space-between;
  box-shadow:0 4px 18px rgba(43,108,176,0.08);
  position:sticky;top:0;z-index:100;
}
.logo img{height:56px}
nav a{margin-left:18px;font-weight:600;color:var(--dark);padding:6px 8px;border-radius:8px}
nav a:hover{background:rgba(43,108,176,0.06)}
.container{max-width:1200px;margin:0 auto;padding:36px 20px;display:grid;gap:32px}
.card{background:var(--card);padding:22px;border-radius:var(--radius);box-shadow:0 8px 28px rgba(15,23,32,0.03);}
.hero{display:grid;grid-template-columns:1fr 420px;gap:24px;align-items:center}
.hero-left h1{font-size:2.1rem;margin:0 0 8px;color:var(--blue)}
.lead{color:var(--muted);margin:0 0 16px}
.cta{display:flex;gap:12px;margin-top:10px}
.button{background:var(--blue);color:white;padding:12px 18px;border-radius:10px;border:0;font-weight:700;cursor:pointer}
.button.secondary{background:transparent;color:var(--blue);border:1px solid rgba(43,108,176,0.12)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery-grid img{width:100%;height:140px;object-fit:cover;border-radius:10px;border:1px solid #eef3fb}
.ref-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.ref-item{position:relative;border-radius:10px;overflow:hidden;box-shadow:0 6px 22px rgba(15,23,32,0.04)}
.ref-item img{width:100%;height:200px;object-fit:cover;display:block}
.ref-caption{position:absolute;left:0;right:0;bottom:0;padding:12px;background:linear-gradient(180deg, transparent, rgba(0,0,0,0.5));color:white;font-weight:600}
.form-group{margin-bottom:14px}
label{display:block;font-weight:600;margin-bottom:8px}
input,select,textarea{width:100%;padding:10px;border:1px solid #e6eef8;border-radius:8px;font-size:1rem;background:#fbfeff}
button{background:var(--blue);color:#fff;padding:10px 16px;border:0;border-radius:8px;font-weight:600;cursor:pointer;transition:background 0.25s}
button:hover{background:var(--red)}
.result{margin-top:12px;padding:12px;border-radius:8px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid #eef6ff;font-weight:700}
.footer{padding:28px 20px;text-align:center;color:var(--muted);font-size:0.95rem}
/* ===== RESPONSIVE NAV / HAMBURGER ===== */
.nav-toggle{
  display:none;
  background:none;
  border:1px solid rgba(43,108,176,0.18);
  border-radius:8px;
  font-size:1.4rem;
  line-height:1;
  padding:4px 10px;
  cursor:pointer;
  color:var(--dark);
}

/* ===== RESPONSIVE GRIDS ===== */
.three-col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.banner-title{font-size:2.4em;margin:0 0 10px;color:var(--dark);font-weight:800;line-height:1.2}

/* ===== TELJESITMENY CALCULATOR ===== */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;margin-top:16px}
.sectionTitle{font-weight:700;font-size:0.85rem;text-transform:uppercase;letter-spacing:0.5px;color:var(--muted);margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid #eef3fb}
.row{margin-bottom:14px}
.row label{display:block;font-weight:600;font-size:0.95rem;margin-bottom:6px}
.btns{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
button.secondary{background:transparent;color:var(--blue);border:1px solid rgba(43,108,176,0.3)}
button.secondary:hover{background:rgba(43,108,176,0.06);color:var(--blue)}
.note{font-size:0.875rem;color:var(--muted);line-height:1.6}
.pill{display:inline-block;padding:6px 14px;border-radius:20px;background:#f0f4f8;font-size:0.9rem;font-weight:600;margin-bottom:10px}
.pill.good{background:#e6f4ea;color:#2d6a4f}
.warn{color:var(--red);font-weight:600}
.pill.warn{background:#fdecea;color:var(--red)}
.outBig{font-size:3rem;font-weight:800;color:var(--blue);margin:8px 0;line-height:1}
.kv{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid #f0f4f8;font-size:0.9rem}
.kv .k{color:var(--muted)}
.hr{border:0;border-top:1px solid #eef3fb;margin:16px 0}
.mono{font-family:'Courier New',monospace;font-size:0.85rem}
.small{font-size:0.8rem;color:var(--muted)}

/* ===== BREAKPOINTS ===== */
@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:18px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .three-col-grid{grid-template-columns:repeat(2,1fr)}
  .calc-grid{grid-template-columns:1fr}
  .outBig{font-size:2.2rem}
}
@media(max-width:520px){
  header{padding:10px 14px;position:relative;flex-wrap:wrap}
  .logo img{height:44px}
  .nav-toggle{display:block}
  nav{
    position:absolute;
    top:100%;left:0;right:0;
    background:#fff;
    box-shadow:0 8px 24px rgba(15,23,32,0.1);
    display:none;
    flex-direction:column;
    padding:8px 14px 14px;
    z-index:99;
    border-top:1px solid #eef3fb;
  }
  nav.open{display:flex}
  nav a{
    display:block;
    margin:0;
    padding:11px 8px;
    border-bottom:1px solid #f0f4f8;
    font-size:1rem;
  }
  nav a:last-child{border-bottom:none}
  .three-col-grid{grid-template-columns:1fr}
  .banner-title{font-size:1.6rem}
  .info-container{flex-direction:column}
  .info-box{flex:1 1 100%}
  .container{padding:20px 14px;gap:20px}
}


/* --- Infó box stílus --- */
.info-box {
  background-color: #f9f9f9;
  border-left: 4px solid #007acc;
  border-radius: 12px;
  padding: 16px;
  margin-top: 24px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  max-width: 350px;
}

.info-box h3 {
  margin-top: 0;
  color: #007acc;
}

.info-box p {
  font-size: 0.95rem;
  color: #333;
  margin-bottom: 12px;
}

.info-box .info-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
}


/* --- Cégfilozófia doboz hover effekt --- */
.philosophy-box {
  transition: all 0.3s ease;
  background-color: #ffffff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.philosophy-box:hover {
  transform: translateY(-6px) scale(1.03);
  background-color: #f0f8ff;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}


/* --- Cégfilozófia hover effekt --- */
.philosophy-box {
  transition: all 0.3s ease;
  background-color: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.philosophy-box:hover {
  transform: translateY(-6px) scale(1.03);
  background-color: #f0f8ff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}


/* --- Spacer a gombok után --- */
.spacer {
  margin-top: 40px;
}

/* --- Cégfilozófia hover effekt (újra az indexhez is) --- */
.philosophy-box {
  transition: all 0.3s ease;
  background-color: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.philosophy-box:hover {
  transform: translateY(-6px) scale(1.03);
  background-color: #f0f8ff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}

/* --- Kalkulátor segédlet elrendezés --- */
.info-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.info-box {
  flex: 1 1 30%;
  box-sizing: border-box;
  background: #f9f9f9;
  padding: 15px;
  border-radius: 10px;
  text-align: center;
}

.info-box img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}