/* ===========================================================
   Next Engineering Works — Design tokens
   Palette: deep circuit navy + sunrise amber (solar) + slate
   Type: Space Grotesk (display) + Inter (body)
   Signature: angled "current line" divider motif (energy flow)
   =========================================================== */

:root{
  --navy-950: #0a0a0a;
  --navy-900: #0f1115;
  --navy-800: #171a20;
  --navy-700: #232730;
  --slate-200: #dce3ec;
  --slate-400: #8d9bb0;
  /* Brand blue, matched to the Next Engi logo */
  --amber-500: #1CA3E0;
  --amber-400: #4FC1F0;
  --amber-50: #eaf7fd;
  --white: #ffffff;
  --radius: 6px;
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--navy-900);
  background:var(--white);
  line-height:1.6;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
.container{max-width:1180px; margin:0 auto; padding:0 24px;}
h1,h2,h3,h4{font-family:var(--font-display); font-weight:700; line-height:1.15; margin:0 0 .5em;}
p{margin:0 0 1em;}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--navy-950);
  border-bottom:1px solid var(--navy-700);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 24px;}
.logo{display:flex; align-items:center; gap:10px;}
.logo img{height:42px; width:auto; border-radius:4px;}
.logo-text{color:var(--white); font-family:var(--font-display); font-weight:700; font-size:1.05rem; letter-spacing:.2px;}
.main-nav{display:flex; align-items:center; gap:28px;}
.main-nav a{color:var(--slate-200); font-size:.95rem; font-weight:500; transition:color .15s;}
.main-nav a:hover{color:var(--amber-400);}
.main-nav a.highlight{
  background:var(--amber-500); color:var(--white); padding:8px 16px; border-radius:999px; font-weight:700;
}
.main-nav a.highlight:hover{background:var(--amber-400); color:var(--white);}
.nav-toggle{display:none; background:none; border:none; color:var(--white); font-size:1.4rem; cursor:pointer;}

/* ---------- Hero Slideshow ---------- */
.hero-slideshow{position:relative; height:560px; overflow:hidden; background:var(--navy-950);}
.hero-slide{
  position:absolute; inset:0; opacity:0; transition:opacity .9s ease;
  display:flex; align-items:flex-end;
}
.hero-slide.active{opacity:1;}
.hero-slide img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:brightness(.55);}
.hero-slide-content{
  position:relative; z-index:2; padding:60px 0 90px; width:100%;
}
.hero-slide-content .container{max-width:680px; margin:0; margin-left:60px;}
.hero-eyebrow{
  display:inline-block; color:var(--amber-400); font-weight:700; letter-spacing:1.5px; text-transform:uppercase;
  font-size:.78rem; margin-bottom:14px; border-left:3px solid var(--amber-500); padding-left:10px;
}
.hero-slide h2{color:var(--white); font-size:2.6rem; margin-bottom:.4em;}
.hero-slide p{color:var(--slate-200); font-size:1.05rem; max-width:520px;}
.hero-cta{margin-top:18px; display:flex; gap:14px;}

.hero-dots{position:absolute; z-index:3; bottom:26px; right:60px; display:flex; gap:8px;}
.hero-dots button{width:30px; height:4px; border:none; background:rgba(255,255,255,.35); cursor:pointer; padding:0;}
.hero-dots button.active{background:var(--amber-500);}
.hero-nav{position:absolute; z-index:3; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.12); color:#fff; border:none; width:42px; height:42px; border-radius:50%; cursor:pointer; font-size:1.1rem;}
.hero-nav.prev{left:24px;}
.hero-nav.next{right:24px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block; padding:12px 26px; border-radius:999px; font-weight:700; font-size:.9rem;
  cursor:pointer; border:2px solid transparent; transition:.15s;
}
.btn-amber{background:var(--amber-500); color:var(--white);}
.btn-amber:hover{background:var(--amber-400);}
.btn-outline{border-color:rgba(255,255,255,.5); color:#fff;}
.btn-outline:hover{border-color:var(--amber-500); color:var(--amber-400);}
.btn-navy{background:var(--navy-900); color:#fff;}
.btn-navy:hover{background:var(--navy-700);}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--amber-50);}
.section-dark{background:var(--navy-950); color:var(--white);}
.section-dark h2{color:#fff;}
.section-head{max-width:640px; margin-bottom:48px;}
.section-eyebrow{color:var(--amber-500); font-weight:700; text-transform:uppercase; font-size:.78rem; letter-spacing:1.5px; display:block; margin-bottom:10px;}

/* current-line divider — signature motif */
.current-line{height:3px; width:64px; background:linear-gradient(90deg, var(--amber-500), transparent); margin:18px 0; position:relative;}
.current-line::after{content:''; position:absolute; right:-6px; top:-3px; width:9px; height:9px; background:var(--amber-500); transform:rotate(45deg);}

/* ---------- Services grid ---------- */
.services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
.service-card{
  border:1px solid #e7e2d8; border-radius:var(--radius); overflow:hidden; background:#fff;
  transition:transform .2s, box-shadow .2s;
}
.service-card:hover{transform:translateY(-4px); box-shadow:0 14px 30px rgba(15,27,45,.1);}
.service-card img{height:170px; width:100%; object-fit:cover;}
.service-card-body{padding:22px;}
.service-card-body h3{font-size:1.1rem; margin-bottom:.4em;}
.service-card-body p{color:var(--slate-400); font-size:.92rem; margin-bottom:1em;}
.service-card-body a{color:var(--navy-900); font-weight:700; font-size:.86rem; border-bottom:2px solid var(--amber-500);}
.featured-badge{
  display:inline-block; background:var(--navy-950); color:var(--amber-400); font-size:.72rem; font-weight:700;
  padding:4px 10px; border-radius:999px; margin-bottom:10px; letter-spacing:.5px;
}

/* ---------- Solar loan page ---------- */
.loan-hero{background:linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 100%); color:#fff; padding:90px 0 70px;}
.loan-hero .container{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;}
.loan-steps{list-style:none; margin:24px 0; padding:0; display:flex; flex-direction:column; gap:14px;}
.loan-steps li{display:flex; gap:14px; align-items:flex-start;}
.loan-step-num{
  flex:none; width:30px; height:30px; border-radius:50%; background:var(--amber-500); color:var(--white);
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:.85rem;
}
.loan-form-card{background:#fff; color:var(--navy-900); border-radius:10px; padding:32px; box-shadow:0 20px 50px rgba(0,0,0,.3);}
.loan-form-card h3{margin-bottom:.2em;}
.form-row{margin-bottom:16px;}
.form-row label{display:block; font-size:.85rem; font-weight:600; margin-bottom:6px; color:var(--navy-800);}
.form-row input, .form-row select, .form-row textarea{
  width:100%; padding:11px 13px; border:1px solid #d9dde3; border-radius:5px; font-family:var(--font-body); font-size:.95rem;
}
.form-row textarea{min-height:90px; resize:vertical;}
.form-grid-2{display:grid; grid-template-columns:1fr 1fr; gap:14px;}

/* ---------- Misc ---------- */
.alert{padding:14px 18px; border-radius:6px; margin-bottom:20px; font-size:.92rem;}
.alert-success{background:#e7f7ec; color:#1c6b3a; border:1px solid #b8e6c6;}
.alert-error{background:#fdeaea; color:#a32424; border:1px solid #f3bcbc;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950); color:var(--slate-200); padding:56px 0 0;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:36px;}
.footer-grid h4{color:#fff; font-size:.95rem; margin-bottom:14px;}
.footer-grid a, .footer-grid p{display:block; color:var(--slate-400); font-size:.9rem; margin-bottom:8px;}
.footer-grid a:hover{color:var(--amber-400);}
.footer-bottom{border-top:1px solid var(--navy-700); padding:18px 0; font-size:.82rem; color:var(--slate-400);}

.whatsapp-float{
  position:fixed; bottom:24px; right:24px; width:56px; height:56px; background:#25D366; color:#fff;
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 20px rgba(0,0,0,.25); z-index:60; transition:transform .15s;
}
.whatsapp-float:hover{transform:scale(1.08);}
.whatsapp-float svg{margin:0;}

/* ---------- Responsive ---------- */
@media (max-width: 880px){
  .services-grid{grid-template-columns:1fr 1fr;}
  .loan-hero .container{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width: 640px){
  .nav-toggle{display:block;}
  .main-nav{
    position:absolute; top:100%; left:0; right:0; background:var(--navy-950); flex-direction:column;
    align-items:flex-start; padding:16px 24px; gap:16px; display:none; border-top:1px solid var(--navy-700);
  }
  .main-nav.open{display:flex;}
  .hero-slideshow{height:480px;}
  .hero-slide-content .container{margin-left:24px; margin-right:24px;}
  .hero-slide h2{font-size:1.9rem;}
  .services-grid{grid-template-columns:1fr;}
  .form-grid-2{grid-template-columns:1fr;}
  .hero-dots, .hero-nav{display:none;}
}