/* ===== 3i Energy Solutions - Theme ===== */
:root{
  --red:#E50A10;
  --red-dark:#c00509;
  --navy:#084182;
  --navy-dark:#062f5e;
  --navy-light:#0b59b0;
  --ink:#16263d;
  --muted:#5b6b80;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --line:#e6ecf3;
  --white:#fff;
  --radius:14px;
  --shadow:0 10px 30px rgba(8,65,130,.08);
  --shadow-lg:0 20px 50px rgba(8,65,130,.14);
  --container:1200px;
  --font:'Inter',system-ui,sans-serif;
  --head:'Poppins',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--head);line-height:1.2;color:var(--navy);font-weight:700}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:90px 0}
.section-sm{padding:40px 0}
.section-alt{background:var(--bg-soft)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--head);font-weight:600;font-size:15px;padding:13px 26px;border-radius:50px;border:2px solid transparent;cursor:pointer;transition:.25s;white-space:nowrap}
.btn i{font-size:13px}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{display:flex;width:100%;justify-content:center}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(229,10,16,.28)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:#eef3f9;transform:translateY(-2px)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-white:hover{background:#fff;color:var(--navy)}

/* ===== Top bar ===== */
.topbar{background:var(--navy-dark);color:#cdd9e8;font-size:13.5px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:44px;flex-wrap:wrap;gap:6px}
.topbar-info{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
.topbar-info i{color:var(--red);margin-right:5px}
.topbar-info a:hover{color:#fff}
.topbar-social{display:flex;gap:8px}
.topbar-social a{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.08);font-size:13px;transition:.2s}
.topbar-social a:hover{background:var(--red);color:#fff}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:900;background:#fff;box-shadow:0 2px 18px rgba(8,65,130,.06);transition:.3s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(8,65,130,.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:84px}
.brand img{height:58px;width:auto;max-width:260px;object-fit:contain}
.main-nav ul{display:flex;gap:6px}
.nav-link{font-family:var(--head);font-weight:600;font-size:15.5px;color:var(--ink);padding:10px 16px;border-radius:8px;position:relative;transition:.2s}
.nav-link:hover{color:var(--red)}
.nav-link.active{color:var(--red)}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;background:var(--red);border-radius:3px}
.header-cta .btn{padding:11px 22px}
.nav-toggle{display:none;background:var(--navy);color:#fff;border:none;width:46px;height:46px;border-radius:10px;font-size:19px;cursor:pointer}

/* ===== Mobile menu ===== */
.mobile-menu{position:fixed;top:0;right:-340px;width:320px;max-width:85vw;height:100%;background:var(--navy-dark);color:#fff;z-index:1100;padding:22px;transition:right .35s;display:flex;flex-direction:column;gap:20px;overflow-y:auto}
.mobile-menu.open{right:0}
.mobile-menu-head{display:flex;justify-content:space-between;align-items:center}
.mobile-menu-head img{height:auto;width:160px;background:#fff;padding:6px 8px;border-radius:8px}
.mobile-close{background:rgba(255,255,255,.1);border:none;color:#fff;width:40px;height:40px;border-radius:8px;font-size:18px;cursor:pointer}
.mobile-nav li a{display:block;padding:13px 6px;border-bottom:1px solid rgba(255,255,255,.1);font-family:var(--head);font-weight:500}
.mobile-nav li a.active,.mobile-nav li a:hover{color:#ffb3b5}
.mobile-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.mobile-contact a i{color:var(--red);width:20px}
.menu-overlay{position:fixed;inset:0;background:rgba(6,18,35,.5);z-index:1050;opacity:0;visibility:hidden;transition:.3s}
.menu-overlay.show{opacity:1;visibility:visible}

/* ===== Hero ===== */
.hero{position:relative;min-height:640px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-slides,.hero-slide{position:absolute;inset:0}
.hero-slide{background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,28,58,.92) 0%,rgba(8,65,130,.78) 45%,rgba(8,65,130,.25) 100%)}
.hero-content{position:relative;z-index:2;max-width:680px;padding-top:40px;padding-bottom:40px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:7px 16px;border-radius:50px;font-weight:600;font-size:14px;margin-bottom:20px}
.hero-eyebrow i{color:#ffcf3f}
.hero-title{font-size:clamp(32px,5vw,56px);color:#fff;font-weight:800;letter-spacing:-.5px}
.hero-title span{color:#ffcf3f}
.hero-text{font-size:18px;margin:20px 0 32px;color:#e4edf7;max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:none;background:rgba(255,255,255,.45);cursor:pointer;transition:.2s}
.hero-dots button.active{background:var(--red);width:30px;border-radius:6px}

/* ===== Trust strip ===== */
.trust-strip{background:var(--red);color:#fff}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:22px 0}
.trust-item{display:flex;align-items:center;justify-content:center;gap:12px;font-family:var(--head);font-weight:600;font-size:16px;text-align:center}
.trust-item i{font-size:26px;opacity:.92}

/* ===== Brands ===== */
.brands-title{text-align:center;color:var(--muted);font-weight:600;margin-bottom:18px;text-transform:uppercase;letter-spacing:1px;font-size:13px}
.brands-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.brand-chip{font-family:var(--head);font-weight:700;color:var(--navy);background:var(--bg-soft);border:1px solid var(--line);padding:12px 26px;border-radius:10px;letter-spacing:1px;font-size:15px}

/* ===== Section heads ===== */
.section-head{margin-bottom:50px}
.section-head.center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto}
.eyebrow{display:inline-block;color:var(--red);font-family:var(--head);font-weight:700;letter-spacing:2px;font-size:13px;text-transform:uppercase;margin-bottom:12px;position:relative;padding-left:34px}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;width:24px;height:3px;background:var(--red);transform:translateY(-50%);border-radius:2px}
.section-head.center .eyebrow{padding-left:0}
.section-head.center .eyebrow::before{display:none}
.section-title{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.5px}
.section-sub{color:var(--muted);margin-top:14px;font-size:17px}

/* ===== Cards grid ===== */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-icon{width:64px;height:64px;border-radius:14px;display:grid;place-items:center;font-size:26px;color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy-light));margin-bottom:18px;transition:.3s}
.card:hover .card-icon{background:linear-gradient(135deg,var(--red),var(--red-dark))}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card-link{display:inline-flex;align-items:center;gap:7px;margin-top:16px;color:var(--red);font-weight:600;font-family:var(--head);font-size:14px}
.card-link i{transition:.2s}
.card-link:hover i{transform:translateX(4px)}

/* ===== About band ===== */
.about-band{background:var(--bg-soft)}
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:54px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:18px;box-shadow:var(--shadow-lg);width:100%;object-fit:cover}
.exp-badge{position:absolute;bottom:-22px;right:-12px;background:var(--red);color:#fff;border-radius:16px;padding:18px 24px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-lg)}
.exp-badge .num{font-family:var(--head);font-size:40px;font-weight:800;line-height:1}
.exp-badge .label{font-size:13px;font-weight:600;line-height:1.2}
.about-copy p{color:var(--muted);margin:16px 0;font-size:16px}
.check-list{margin:18px 0 26px;display:grid;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-weight:500;color:var(--ink)}
.check-list i{color:var(--red);margin-top:4px}
.about-mini-stats{display:flex;gap:30px;margin-top:24px}
.about-mini-stats strong{display:block;font-family:var(--head);font-size:30px;color:var(--red)}
.about-mini-stats span{color:var(--muted);font-size:14px}

/* ===== Stats ===== */
.stats{background:linear-gradient(120deg,var(--navy-dark),var(--navy));color:#fff;padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-num{font-family:var(--head);font-size:46px;font-weight:800;color:#ffcf3f}
.stat-label{font-size:15px;color:#cfe0f2;margin-top:6px}

/* ===== Process / steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{text-align:center;padding:30px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative}
.step-num{position:absolute;top:-16px;left:50%;transform:translateX(-50%);width:34px;height:34px;background:var(--red);color:#fff;border-radius:50%;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:15px}
.step-icon{width:70px;height:70px;margin:14px auto 16px;border-radius:50%;background:var(--bg-soft);display:grid;place-items:center;font-size:26px;color:var(--navy)}
.step h4{font-size:18px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px}

/* ===== Testimonials ===== */
.testimonials{background:var(--bg-soft)}
.testimonial-card{display:flex;flex-direction:column;gap:14px}
.stars{color:#ffb400;font-size:15px}
.quote{color:var(--ink);font-size:15.5px;font-style:italic}
.author{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-light));color:#fff;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:18px}
.author strong{display:block;color:var(--navy)}
.author span{font-size:13px;color:var(--muted)}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(120deg,var(--red),var(--red-dark));color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px)}
.cta-band p{color:#ffe2e3;margin-top:6px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== Page hero ===== */
.page-hero{position:relative;padding:96px 0;color:#fff;background:url('/static/img/hero-2.jpg') center/cover}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,28,58,.93),rgba(8,65,130,.8))}
.page-hero-content{position:relative;z-index:2;text-align:center}
.page-hero h1{color:#fff;font-size:clamp(30px,4.5vw,48px)}
.page-hero p{color:#dbe7f5;margin-top:10px;font-size:17px}
.breadcrumb{margin-top:16px;font-size:14px;color:#cdddf0}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:11px;margin:0 6px;color:var(--red)}
.breadcrumb span{color:#ffcf3f}

/* ===== Mission/Vision ===== */
.mv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;text-align:center}
.mv-card .card-icon{margin:0 auto 18px}
.mv-card p{color:var(--muted);font-size:15px}

/* ===== Products ===== */
.product-intro{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}
.product-intro-media img{border-radius:18px;box-shadow:var(--shadow-lg)}
.product-intro-copy p{color:var(--muted);margin:16px 0 24px;font-size:16px}
.brand-card{display:flex;flex-direction:column}
.brand-card-head{display:flex;flex-direction:column;gap:6px;border-bottom:2px solid var(--line);padding-bottom:14px;margin-bottom:16px}
.brand-name{font-family:var(--head);font-weight:800;font-size:24px;color:var(--red);letter-spacing:1px}
.brand-tag{font-size:13px;color:var(--muted);font-weight:600}
.brand-items{display:grid;gap:11px}
.brand-items li{display:flex;align-items:flex-start;gap:9px;font-size:15px;color:var(--ink)}
.brand-items i{color:var(--navy);font-size:13px;margin-top:5px}

/* ===== Projects ===== */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.project-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.project-img{height:210px;background-size:cover;background-position:center;position:relative}
.project-cat{position:absolute;top:14px;left:14px;background:var(--red);color:#fff;padding:5px 14px;border-radius:50px;font-size:12.5px;font-weight:600;font-family:var(--head)}
.project-body{padding:22px}
.project-body h3{font-size:18px;margin-bottom:8px}
.project-body p{color:var(--muted);font-size:14.5px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.contact-info p{color:var(--muted)}
.contact-list{margin:24px 0;display:grid;gap:18px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.ci-icon{width:46px;height:46px;flex:0 0 46px;border-radius:12px;background:var(--bg-soft);color:var(--red);display:grid;place-items:center;font-size:18px}
.contact-list strong{display:block;color:var(--navy);font-family:var(--head)}
.contact-list p{font-size:14.5px}
.contact-social{display:flex;gap:10px;margin-top:8px}
.contact-social a{width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;transition:.2s}
.contact-social a:hover{background:var(--red)}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow)}
.contact-form-wrap h3{font-size:22px;margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px;display:flex;flex-direction:column}
.field label{font-weight:600;font-size:14px;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;font-family:var(--font);font-size:15px;transition:.2s;background:#fbfcfe}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy);background:#fff}
.form-success{background:#e7f7ec;border:1px solid #b6e6c5;color:#1e7a3d;padding:14px 18px;border-radius:10px;margin-bottom:18px;font-weight:500}
.form-success i{margin-right:6px}
.form-error{background:#fdecec;border:1px solid #f5b5b5;color:#b42318;padding:14px 18px;border-radius:10px;margin-bottom:18px;font-weight:500}
.form-error i{margin-right:6px}
.form-error a{color:#b42318;text-decoration:underline}
.map-section{margin-top:0;line-height:0}

/* ===== Floating buttons ===== */
.float-btn{position:fixed;right:22px;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;z-index:950;box-shadow:0 8px 22px rgba(0,0,0,.22);border:none;cursor:pointer;transition:.25s}
.float-btn:hover{transform:scale(1.08)}
.float-btn.whatsapp{bottom:22px;background:#25d366}
.float-btn.call{bottom:88px;background:var(--navy)}
.float-btn.top{bottom:154px;background:var(--red);opacity:0;visibility:hidden;font-size:18px}
.float-btn.top.show{opacity:1;visibility:visible}

/* ===== Footer ===== */
.site-footer{background:#061d3a;color:#aebfd3}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding:64px 0 44px}
.footer-logo{height:auto;width:230px;max-width:100%;background:#fff;padding:10px 14px;border-radius:10px;margin-bottom:16px}
.footer-about p{font-size:14.5px;line-height:1.7}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;transition:.2s}
.footer-social a:hover{background:var(--red)}
.footer-col h4{color:#fff;font-size:18px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:3px;background:var(--red);border-radius:2px}
.footer-links li,.footer-contact li{margin-bottom:11px;font-size:14.5px}
.footer-links a:hover{color:#fff;padding-left:5px;transition:.2s}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--red);margin-top:5px}
.footer-contact a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom-inner{display:flex;justify-content:space-between;padding:18px 0;font-size:13.5px;flex-wrap:wrap;gap:8px}
.footer-tagline{color:var(--red);font-family:var(--head);font-weight:600}

/* ===== Responsive ===== */
@media (max-width:992px){
  .cards-grid,.mv-grid,.project-grid{grid-template-columns:repeat(2,1fr)}
  .steps,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.product-intro,.contact-grid{grid-template-columns:1fr;gap:40px}
  .exp-badge{right:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .hide-sm{display:none}
}
@media (max-width:600px){
  .section{padding:60px 0}
  .cards-grid,.mv-grid,.project-grid,.steps,.stats-grid,.trust-inner,.form-row{grid-template-columns:1fr}
  .trust-inner{gap:16px}
  .trust-item{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .topbar-info{gap:14px;font-size:12.5px}
  .hero{min-height:560px}
  .about-mini-stats{gap:20px}
  .cta-inner{flex-direction:column;text-align:center}
  .cta-actions{justify-content:center}
}