/* ===== Enqua Teknoloji — Tasarım Sistemi =====
   Renkler: Gece Lacivert #0B1F3A, Elektrik Mavi #1D6FE0, Çelik Gri #5B6B7C,
            Amber #F2A93B, Kırık Beyaz #F5F7FA, Mürekkep #10161F
   Tipografi: Space Grotesk (başlık) + Inter (gövde)
*/

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

:root{
  --navy:#0B1F3A;
  --blue:#1D6FE0;
  --blue-dim:#164FA0;
  --steel:#5B6B7C;
  --amber:#F2A93B;
  --paper:#F5F7FA;
  --ink:#10161F;
  --line:#DDE3EA;
  --white:#FFFFFF;
  --radius:2px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',system-ui,sans-serif;
  color:var(--navy);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}
p{margin:0 0 1em; max-width:62ch; color:var(--steel);}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.container{max-width:1180px; margin:0 auto; padding:0 28px;}
.wrap-narrow{max-width:760px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--navy);
  border-bottom:3px solid var(--blue);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-family:'Space Grotesk'; font-weight:700; font-size:1.25rem;
  color:var(--white);
}
.brand .mark{
  width:34px; height:34px; flex:none;
}
.brand small{
  display:block; font-family:'Inter'; font-weight:500; font-size:.62rem;
  letter-spacing:.04em; color:var(--amber); margin-top:1px;
}
nav.main-nav ul{
  list-style:none; display:flex; gap:2px; margin:0; padding:0;
}
nav.main-nav a{
  color:#C9D6E8; font-weight:500; font-size:.94rem;
  padding:10px 16px; border-radius:var(--radius);
  transition:color .15s, background .15s;
}
nav.main-nav a:hover, nav.main-nav a.active{
  color:var(--white); background:rgba(255,255,255,.08);
}
.nav-toggle{display:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 26px; font-weight:600; font-size:.95rem;
  border-radius:var(--radius); border:2px solid transparent;
  cursor:pointer; font-family:'Inter';
}
.btn-primary{background:var(--blue); color:var(--white);}
.btn-primary:hover{background:var(--blue-dim);}
.btn-ghost{border-color:rgba(255,255,255,.4); color:var(--white);}
.btn-ghost:hover{border-color:var(--white); background:rgba(255,255,255,.08);}
.btn-dark{border-color:var(--navy); color:var(--navy);}
.btn-dark:hover{background:var(--navy); color:var(--white);}

/* ---------- Hero ---------- */
.hero{
  background:var(--navy);
  color:var(--white);
  padding:88px 0 70px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center;
}
.hero .eyebrow{
  color:var(--amber); font-weight:600; font-size:.85rem;
  letter-spacing:.02em; margin-bottom:14px;
}
.hero h1{color:var(--white); font-size:2.9rem; max-width:14ch;}
.hero p.lead{color:#C9D6E8; font-size:1.12rem; max-width:46ch;}
.hero-actions{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}

/* Power scale — sinyatür motif: 1kW - 100kW ölçeği */
.power-scale{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);
  padding:26px 24px;
  border-radius:var(--radius);
}
.power-scale .ps-label{
  font-size:.78rem; color:#9FB3CC; letter-spacing:.03em; margin-bottom:16px;
}
.power-scale .ps-bar{
  position:relative; height:6px; background:rgba(255,255,255,.14);
  border-radius:6px; margin:26px 0 10px;
}
.power-scale .ps-bar-fill{
  position:absolute; inset:0; width:100%;
  background:linear-gradient(90deg,var(--blue),var(--amber));
  border-radius:6px;
}
.power-scale .ps-ticks{
  display:flex; justify-content:space-between; position:relative;
}
.power-scale .ps-tick{
  display:flex; flex-direction:column; align-items:center; gap:6px;
}
.power-scale .ps-dot{
  width:10px; height:10px; border-radius:50%; background:var(--white);
  border:2px solid var(--navy); margin-top:-31px;
}
.power-scale .ps-tick span{font-size:.85rem; font-weight:600; color:var(--white);}
.power-scale .ps-tick em{font-style:normal; font-size:.68rem; color:#9FB3CC;}

/* ---------- Sections ---------- */
section{padding:80px 0;}
section.tight{padding:56px 0;}
section.alt{background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.section-head{max-width:640px; margin-bottom:44px;}
.section-head .kicker{
  color:var(--blue); font-weight:600; font-size:.8rem; letter-spacing:.02em; margin-bottom:10px;
}

/* ---------- Cards ---------- */
.grid{display:grid; gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.card{
  background:var(--white);
  border:1px solid var(--line);
  padding:30px 26px;
  border-radius:var(--radius);
  border-top:3px solid var(--blue);
}
.card h3{font-size:1.15rem; margin-bottom:10px;}
.card p{font-size:.95rem; margin-bottom:0;}
.card .icon{width:38px; height:38px; margin-bottom:18px;}

.product-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden;
}
.product-card .p-head{
  background:var(--navy); color:var(--white); padding:22px 24px;
  display:flex; justify-content:space-between; align-items:flex-start;
}
.product-card .p-head .kw{
  font-family:'Space Grotesk'; font-weight:700; font-size:1.7rem; color:var(--amber);
}
.product-card .p-body{padding:22px 24px;}
.product-card ul{margin:14px 0 0; padding-left:18px; color:var(--steel); font-size:.92rem;}
.product-card li{margin-bottom:6px;}

/* ---------- Stats strip ---------- */
.stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border:1px solid var(--line); background:var(--white);
}
.stats div{padding:26px 20px; text-align:center; border-right:1px solid var(--line);}
.stats div:last-child{border-right:none;}
.stats strong{
  display:block; font-family:'Space Grotesk'; font-size:1.9rem; color:var(--navy);
}
.stats span{font-size:.82rem; color:var(--steel);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--blue); color:var(--white); padding:56px 0; text-align:center;
}
.cta-band h2{color:var(--white); margin-bottom:10px;}
.cta-band p{color:#DCE9FF; margin:0 auto 26px;}

/* ---------- Footer ---------- */
footer{background:var(--ink); color:#8C99A8; padding:52px 0 26px; font-size:.9rem;}
.foot-grid{display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:32px; margin-bottom:36px;}
footer h4{color:var(--white); font-size:.9rem; margin-bottom:14px;}
footer ul{list-style:none; margin:0; padding:0;}
footer li{margin-bottom:9px;}
footer a:hover{color:var(--white);}
.foot-bottom{border-top:1px solid #1F2733; padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

/* ---------- Page header (subpages) ---------- */
.page-header{background:var(--navy); color:var(--white); padding:56px 0;}
.page-header h1{color:var(--white); font-size:2.2rem; margin-bottom:8px;}
.page-header p{color:#C9D6E8; margin:0;}
.crumb{color:var(--amber); font-size:.82rem; margin-bottom:12px;}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:48px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block; font-size:.85rem; font-weight:600; color:var(--navy); margin-bottom:6px;}
.form-field input, .form-field textarea, .form-field select{
  width:100%; padding:13px 14px; border:1px solid var(--line); border-radius:var(--radius);
  font-family:'Inter'; font-size:.95rem; background:var(--white);
}
.form-field textarea{resize:vertical; min-height:120px;}
.info-list{list-style:none; margin:0; padding:0;}
.info-list li{
  display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line);
}
.info-list strong{display:block; color:var(--navy); font-size:.9rem;}
.info-list span{color:var(--steel); font-size:.92rem;}
.info-list .ic{width:22px; flex:none; margin-top:3px;}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  nav.main-nav{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .hero h1{font-size:2.2rem;}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;}
}