/* ========================================================
   ENERGY PRO TECH — style.css
   ======================================================== */

:root{
  --blue-900:#0b2e4a;
  --blue-800:#0e3a5c;
  --blue-700:#12507d;
  --blue-600:#1673ab;
  --blue-500:#2089cc;
  --blue-100:#e8f3fa;
  --gold:#f2b705;
  --gold-dark:#c99204;
  --gray-900:#1a2027;
  --gray-700:#454f59;
  --gray-500:#707a85;
  --gray-300:#c7d0d8;
  --gray-100:#f4f7f9;
  --white:#ffffff;
  --radius:10px;
  --shadow-sm:0 2px 8px rgba(11,46,74,.08);
  --shadow-md:0 8px 24px rgba(11,46,74,.12);
  --shadow-lg:0 16px 40px rgba(11,46,74,.18);
  --container:1200px;
  --ff:'Segoe UI',-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  color:var(--gray-900);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700;color:var(--blue-900)}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:80px 0}
@media(max-width:768px){section{padding:56px 0}}

.eyebrow{
  display:inline-block;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-size:.78rem;
  font-weight:700;
  color:var(--blue-600);
  background:var(--blue-100);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:14px;
}
.section-head{max-width:680px;margin:0 auto 48px;text-align:center}
.section-head h2{font-size:2.1rem}
.section-head p{color:var(--gray-700);font-size:1.05rem}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:8px;
  font-weight:700;font-size:.95rem;
  border:2px solid transparent;
  cursor:pointer;transition:all .2s ease;
}
.btn-primary{background:var(--blue-600);color:var(--white)}
.btn-primary:hover{background:var(--blue-700)}
.btn-gold{background:var(--gold);color:var(--blue-900)}
.btn-gold:hover{background:var(--gold-dark)}
.btn-outline{border-color:var(--white);color:var(--white)}
.btn-outline:hover{background:var(--white);color:var(--blue-900)}
.btn-outline-blue{border-color:var(--blue-600);color:var(--blue-600)}
.btn-outline-blue:hover{background:var(--blue-600);color:var(--white)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--white);
  box-shadow:0 1px 0 rgba(11,46,74,.08);
}
.topbar{
  background:var(--blue-900);color:var(--white);
  font-size:.82rem;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:8px}
.topbar a{color:var(--white);opacity:.9}
.topbar a:hover{opacity:1}
.topbar-item{display:inline-flex;align-items:center;gap:6px;margin-right:22px}
.topbar-social{display:inline-flex;gap:14px}

.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:44px;width:auto}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links > li{position:relative}
.nav-links > li > a{
  display:flex;align-items:center;gap:4px;
  padding:12px 16px;font-weight:600;font-size:.95rem;color:var(--gray-900);
  border-radius:6px;
}
.nav-links > li > a:hover,.nav-links > li.active > a{color:var(--blue-600);background:var(--blue-100)}
.dropdown{
  position:absolute;top:100%;left:0;background:var(--white);
  min-width:240px;box-shadow:var(--shadow-md);border-radius:10px;
  padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .18s ease;
}
.nav-links > li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:10px 14px;border-radius:6px;font-size:.92rem;color:var(--gray-700)}
.dropdown li a:hover{background:var(--blue-100);color:var(--blue-600)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--blue-900)}

@media(max-width:960px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;top:0;right:-100%;height:100vh;width:min(320px,85vw);
    background:var(--white);flex-direction:column;align-items:stretch;
    padding:90px 20px 20px;box-shadow:var(--shadow-lg);transition:right .25s ease;
    overflow-y:auto;
  }
  .nav-links.open{right:0}
  .nav-links > li > a{padding:14px 10px}
  .dropdown{position:static;box-shadow:none;opacity:1;visibility:visible;transform:none;display:none;padding-left:12px}
  .nav-links > li.open .dropdown{display:block}
  .nav-cta{margin:12px 0 0}
  .topbar .container{font-size:.72rem}
  .topbar-item{margin-right:14px}
}

.nav-overlay{display:none;position:fixed;inset:0;background:rgba(11,46,74,.5);z-index:900}
.nav-overlay.show{display:block}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--white);
  background:linear-gradient(120deg,var(--blue-900),var(--blue-700) 60%,var(--blue-600));
  padding:100px 0 60px;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-10%;top:-20%;width:600px;height:600px;
  background:radial-gradient(circle,rgba(242,183,5,.25),transparent 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative}
.hero h1{color:var(--white);font-size:2.9rem;max-width:640px}
.hero h1 span{color:var(--gold)}
.hero p.lead{font-size:1.15rem;color:rgba(255,255,255,.88);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:40px;max-width:480px}
.hero-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:16px}
.hero-stat b{display:block;font-size:1.8rem;color:var(--gold)}
.hero-stat span{font-size:.85rem;color:rgba(255,255,255,.85)}
.hero-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:16px;padding:8px;backdrop-filter:blur(4px);
}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}.hero h1{font-size:2.2rem}.hero{padding:48px 0 40px}}

.page-hero{
  background:linear-gradient(120deg,var(--blue-900),var(--blue-700));
  color:var(--white);padding:70px 0 50px;position:relative;overflow:hidden;
}
.page-hero .breadcrumb{font-size:.85rem;color:rgba(255,255,255,.75);margin-bottom:10px}
.page-hero .breadcrumb a:hover{color:var(--gold)}
.page-hero h1{color:var(--white);font-size:2.4rem;margin-bottom:8px}
.page-hero p{color:rgba(255,255,255,.85);max-width:640px;font-size:1.05rem}

/* ---------- Activity / service cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:960px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.card-grid{grid-template-columns:1fr}}
.act-card{
  background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);
  padding:28px 22px;transition:all .2s ease;box-shadow:var(--shadow-sm);
}
.act-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--blue-500)}
.act-card .icon{
  width:56px;height:56px;border-radius:12px;background:var(--blue-100);
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:16px;color:var(--blue-600);
}
.act-card h3{font-size:1.15rem;margin-bottom:8px}
.act-card p{color:var(--gray-700);font-size:.92rem;margin-bottom:14px}
.act-card .more{color:var(--blue-600);font-weight:700;font-size:.88rem}

/* ---------- Sector image sliders ---------- */
.sector-slider{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/5;background:linear-gradient(150deg,var(--blue-800),var(--blue-600));
  box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease;
}
.sector-slider:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.slider-track{
  display:flex;height:100%;width:100%;
  transition:transform .55s cubic-bezier(.4,0,.2,1);
}
.slider-track .slide{
  flex:0 0 100%;height:100%;position:relative;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.9);font-size:3.4rem;
  background-size:cover;background-position:center;
}
.slider-track .slide img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.sector-slider::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(11,46,74,.88) 0%,rgba(11,46,74,.35) 42%,rgba(11,46,74,0) 68%);
}
.slider-caption{
  position:absolute;left:0;right:0;bottom:0;padding:20px 20px 18px;z-index:2;color:var(--white);
}
.slider-caption h3{color:var(--white);font-size:1.1rem;margin-bottom:4px}
.slider-caption a{
  display:inline-flex;align-items:center;gap:6px;font-size:.84rem;font-weight:700;color:var(--gold);
}
.slider-caption a:hover{color:#ffd54a}
.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:34px;height:34px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(11,46,74,.45);color:var(--white);font-size:1.1rem;line-height:1;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .2s ease,background .2s ease;
}
.sector-slider:hover .slider-arrow{opacity:1}
.slider-arrow:hover{background:rgba(11,46,74,.75)}
.slider-arrow.prev{left:10px}
.slider-arrow.next{right:10px}
.slider-arrow[disabled]{display:none}
.slider-dots{
  position:absolute;bottom:64px;left:0;right:0;z-index:3;
  display:flex;gap:6px;justify-content:center;
}
.slider-dots button{
  width:7px;height:7px;border-radius:50%;border:none;padding:0;cursor:pointer;
  background:rgba(255,255,255,.45);transition:all .2s ease;
}
.slider-dots button.active{background:var(--gold);width:18px;border-radius:4px}
@media(max-width:960px){.sector-slider{aspect-ratio:16/10}.slider-dots{bottom:56px}}

.slide-icon{font-size:4.2rem;filter:drop-shadow(0 6px 14px rgba(0,0,0,.25))}

/* ---------- Full-bleed hero slider ---------- */
.hero-bleed{
  position:relative;width:100%;overflow:hidden;
  aspect-ratio:1920/650;
  box-shadow:none;border-radius:0;
}
.hero-bleed:hover{transform:none;box-shadow:none}
.hero-bleed .slider-track{height:100%}
.hero-bleed .slide{
  position:relative;flex:0 0 100%;height:100%;display:block;
  background-size:cover;background-position:center;overflow:hidden;
}
.hero-bleed::after{content:none}
.hero-bleed .slider-arrow{opacity:1;background:rgba(6,26,43,.32);z-index:3}
.hero-bleed .slider-arrow:hover{background:rgba(6,26,43,.6)}
.hero-bleed .slider-dots{bottom:26px}
@media(max-width:768px){
  .hero-bleed{aspect-ratio:3/4;min-height:520px;max-height:none}
}

/* ---------- About / split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
@media(max-width:768px){.stat-row{grid-template-columns:repeat(2,1fr)}}
.stat-box{text-align:center;padding:20px 10px;border-radius:var(--radius);background:var(--gray-100)}
.stat-box b{display:block;font-size:2.2rem;color:var(--blue-600)}
.stat-box span{font-size:.85rem;color:var(--gray-700)}
.img-frame{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-md);background:var(--blue-100)}
.img-frame img{width:100%;height:100%;object-fit:cover}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
@media(max-width:960px){.steps{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr 1fr}}
.step{
  background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);
  padding:22px 16px;text-align:center;position:relative;
}
.step b.num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--blue-600);color:var(--white);
  font-size:.95rem;margin-bottom:12px;
}
.step h4{font-size:.95rem;margin-bottom:6px}
.step p{font-size:.82rem;color:var(--gray-700);margin:0}

/* ---------- Values ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:900px){.value-grid{grid-template-columns:repeat(2,1fr)}}
.value{text-align:center;padding:10px}
.value .icon{
  width:64px;height:64px;border-radius:50%;background:var(--blue-100);color:var(--blue-600);
  display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto 14px;
}

/* ---------- Sectors bars ---------- */
.sector-bars{display:flex;flex-direction:column;gap:18px}
.sector-bar-label{display:flex;justify-content:space-between;font-size:.9rem;font-weight:600;margin-bottom:6px}
.bar-track{height:10px;background:var(--gray-100);border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--blue-600),var(--gold));border-radius:999px}

/* ---------- Feature list (activity pages) ---------- */
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px;margin-top:10px}
@media(max-width:700px){.feature-list{grid-template-columns:1fr}}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:.96rem;color:var(--gray-700)}
.feature-list li .chk{
  flex:none;width:22px;height:22px;border-radius:50%;background:var(--blue-100);color:var(--blue-600);
  display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;margin-top:2px;
}

/* ---------- Related activities strip ---------- */
.strip{background:var(--gray-100)}
.strip .card-grid .act-card{background:var(--white)}

/* ---------- Services mini nav ---------- */
.pill-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;justify-content:center}
.pill-nav a{
  padding:10px 20px;border-radius:999px;border:1px solid var(--gray-300);
  font-weight:600;font-size:.9rem;color:var(--gray-700);
}
.pill-nav a:hover,.pill-nav a.active{background:var(--blue-600);border-color:var(--blue-600);color:var(--white)}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--blue-800),var(--blue-600));
  color:var(--white);border-radius:20px;padding:48px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
.cta-band h2{color:var(--white);margin-bottom:6px;font-size:1.7rem}
.cta-band p{color:rgba(255,255,255,.85);margin:0}
@media(max-width:700px){.cta-band{text-align:center;justify-content:center;padding:36px 24px}}

/* ---------- Partners ---------- */
.partner-row{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:center}
.partner-row img{height:40px;width:auto;filter:grayscale(1);opacity:.7;transition:all .2s}
.partner-row img:hover{filter:none;opacity:1}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-info-card{background:var(--blue-900);color:var(--white);border-radius:16px;padding:36px}
.contact-info-card h3{color:var(--white)}
.contact-item{display:flex;gap:14px;margin-bottom:22px}
.contact-item .icon{
  flex:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--gold);
}
.contact-item b{display:block;font-size:.85rem;color:rgba(255,255,255,.7);font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}
.contact-item span,.contact-item a{font-size:1rem}
.map-embed{border-radius:12px;overflow:hidden;margin-top:24px;border:1px solid rgba(255,255,255,.2)}
.map-embed iframe{width:100%;height:220px;border:0;display:block}

.form-card{background:var(--white);border:1px solid var(--gray-300);border-radius:16px;padding:36px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px;color:var(--gray-900)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--gray-300);border-radius:8px;
  font-family:var(--ff);font-size:.95rem;background:var(--gray-100);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue-500);background:var(--white)}
.field textarea{resize:vertical;min-height:120px}
.chip-select{display:flex;flex-wrap:wrap;gap:10px}
.chip-select label{
  display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid var(--gray-300);
  border-radius:999px;font-size:.86rem;font-weight:600;cursor:pointer;color:var(--gray-700);
}
.chip-select input{width:auto}
.chip-select input:checked + span{color:var(--blue-600)}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-900);color:rgba(255,255,255,.85)}
.footer-top{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:var(--white);font-size:1rem;margin-bottom:18px}
.footer-grid ul li{margin-bottom:10px}
.footer-grid a:hover{color:var(--gold)}
.footer-about img{height:40px;margin-bottom:16px}
.footer-about p{font-size:.9rem;color:rgba(255,255,255,.7)}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;font-size:.9rem;
}
.footer-social a:hover{background:var(--gold);color:var(--blue-900)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:.82rem}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- Utility ---------- */
.mt-0{margin-top:0}
.text-center{text-align:center}
.bg-gray{background:var(--gray-100)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}