/* ============================================================
   CheapEnergy.eu  —  Frontend styles
   Merk: teal #22c494 · donkergroen #0d3320 · Sora + DM Sans
   ============================================================ */

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

:root{
  --dark:#0d3320; --dark2:#113d26; --dark3:#0a2818;
  --teal:#22c494; --teal2:#2ddba6; --teal-dark:#1a9e78;
  --white:#ffffff; --off:#f5f8f6; --border:#dce8e1;
  --text:#0d1f14; --muted:#4e6658; --muted2:#6b8478;
  --shadow-sm:0 2px 8px rgba(13,51,32,.06);
  --shadow:0 12px 40px rgba(13,51,32,.10);
  --shadow-lg:0 24px 70px rgba(13,51,32,.16);
  --radius:14px; --radius-lg:20px;
  --font-head:'Sora',sans-serif; --font-body:'DM Sans',sans-serif;
  --maxw:1180px;
}

html{scroll-behavior:smooth}
body{
  font-family:var(--font-body); background:var(--white); color:var(--text);
  line-height:1.65; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-head);font-weight:600;font-size:15px;
  padding:14px 28px;border-radius:12px;border:none;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  text-align:center;line-height:1;
}
.btn-primary{background:var(--teal);color:#04140c;box-shadow:0 8px 24px rgba(34,196,148,.32)}
.btn-primary:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 12px 32px rgba(34,196,148,.42)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:var(--dark2);transform:translateY(-2px)}
.btn-lg{padding:17px 36px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- Nav ---------- */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:72px;
  background:rgba(13,51,32,.92);backdrop-filter:blur(24px);
  border-bottom:1px solid rgba(34,196,148,.14);
  display:flex;align-items:center;
  transition:height .25s ease, background .25s ease;
}
#nav .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.nav-logo{font-family:var(--font-head);font-size:20px;font-weight:800;color:#fff;letter-spacing:-.6px}
.nav-logo span{color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:34px;list-style:none}
.nav-links a{color:rgba(255,255,255,.78);font-size:14.5px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--teal)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-phone{color:rgba(255,255,255,.78);font-size:14px;font-weight:600;font-family:var(--font-head)}
.nav-phone:hover{color:var(--teal)}
.nav-toggle{display:none;background:none;border:none;color:#fff;cursor:pointer;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.25s}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:160px 0 110px;
  background:
    radial-gradient(900px 500px at 90% 30%, rgba(34,196,148,.08), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(34,196,148,.05), transparent 55%),
    linear-gradient(160deg, #f0f6f3 0%, #ffffff 60%, #f5f9f7 100%);
  color:var(--dark);overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:32px 32px;mask:linear-gradient(180deg,#000,transparent 70%);
}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);
  font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--teal);background:rgba(34,196,148,.12);border:1px solid rgba(34,196,148,.28);
  padding:8px 16px;border-radius:999px;margin-bottom:26px;
}
.hero h1{
  font-family:var(--font-head);font-weight:800;letter-spacing:-1.5px;line-height:1.05;
  font-size:clamp(36px,5vw,60px);margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--teal);position:relative}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.74);max-width:540px;margin-bottom:34px;line-height:1.7}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-trust{display:flex;gap:30px;flex-wrap:wrap}
.hero-trust .t{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.7)}
.hero-trust .t svg{flex-shrink:0;color:var(--teal)}

/* Hero side card */
.hero-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:30px;backdrop-filter:blur(12px);
  box-shadow:var(--shadow-lg);
}
.hero-card h3{font-family:var(--font-head);font-size:18px;font-weight:700;color:#fff;margin-bottom:6px}
.hero-card .sub{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:22px}
.mini-form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.mini-form label{display:block;font-size:12px;font-weight:600;color:rgba(255,255,255,.7);margin-bottom:6px;font-family:var(--font-head)}
.mini-form input,.mini-form select{
  width:100%;padding:13px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-family:var(--font-body);font-size:15px;
}
.mini-form input::placeholder{color:rgba(255,255,255,.4)}
.mini-form input:focus,.mini-form select:focus{outline:none;border-color:var(--teal);background:rgba(255,255,255,.10)}

/* ---------- Sections ---------- */
section{padding:96px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 60px}
.section-label{
  display:inline-block;font-family:var(--font-head);font-size:11px;font-weight:700;
  letter-spacing:2.2px;text-transform:uppercase;color:var(--teal-dark);margin-bottom:14px;
}
.section-head h2{font-family:var(--font-head);font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-1px;color:var(--dark);line-height:1.12}
.section-head p{font-size:17px;color:var(--muted);margin-top:16px}

/* USP grid */
.usp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.usp{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 26px;transition:transform .2s, box-shadow .2s, border-color .2s;
}
.usp:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(34,196,148,.4)}
.usp .ico{
  width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#04140c;margin-bottom:18px;
}
.usp h3{font-family:var(--font-head);font-size:17.5px;font-weight:700;color:var(--dark);margin-bottom:9px}
.usp p{font-size:14.5px;color:var(--muted);line-height:1.65}

/* Steps */
.steps{background:var(--off)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:30px 24px;background:#fff;border-radius:var(--radius);border:1px solid var(--border)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--font-head);font-size:13px;font-weight:800;color:var(--teal-dark);
  background:rgba(34,196,148,.12);border-radius:8px;padding:5px 10px;display:inline-block;margin-bottom:16px;
}
.step h3{font-family:var(--font-head);font-size:16.5px;font-weight:700;color:var(--dark);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.6}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);
  color:#fff;border-radius:var(--radius-lg);padding:60px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 0%,rgba(34,196,148,.22),transparent 60%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-family:var(--font-head);font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:-.8px;margin-bottom:14px}
.cta-band p{font-size:17px;color:rgba(255,255,255,.74);max-width:520px;margin:0 auto 30px}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--dark3);color:#fff;padding:70px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:50px}
.foot-brand .logo{font-family:var(--font-head);font-size:21px;font-weight:800;margin-bottom:14px}
.foot-brand .logo span{color:var(--teal)}
.foot-brand p{font-size:14px;color:rgba(255,255,255,.55);line-height:1.7;max-width:300px}
.foot-col h4{font-family:var(--font-head);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--teal);margin-bottom:18px}
.foot-col a,.foot-col p{display:block;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--teal)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.10);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.foot-bottom p{font-size:12.5px;color:rgba(255,255,255,.4)}
.foot-bottom a{font-size:12.5px;color:rgba(255,255,255,.5)}
.foot-bottom a:hover{color:var(--teal)}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero .container{grid-template-columns:1fr;gap:44px}
  .usp-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:680px){
  .nav-links,.nav-phone{display:none}
  .nav-toggle{display:flex}
  .nav-links.open{
    display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:var(--dark);padding:24px;gap:18px;border-bottom:1px solid rgba(34,196,148,.2);
  }
  section{padding:64px 0}
  .usp-grid,.steps-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
  .mini-form .row{grid-template-columns:1fr}
}