/* =========================================================
   Ireme Green Solutions — design tokens
   ========================================================= */
:root{
  --ink:#0B1120;
  --ink-2:#0F1B2D;
  --forest:#0E3B2E;
  --green:#16A34A;
  --green-light:#22C55E;
  --green-pale:#E7F7EC;
  --gold:#F5B73D;
  --gold-pale:#FEF3DC;
  --slate:#4B5563;
  --slate-light:#8A94A3;
  --bg:#F7FAF9;
  --white:#FFFFFF;
  --border:#E5E9E7;
  --shadow-sm:0 8px 20px rgba(11,17,32,0.06);
  --shadow-md:0 20px 44px rgba(11,17,32,0.10);
  --shadow-lg:0 30px 64px rgba(11,17,32,0.16);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Poppins', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color:var(--slate);
  background:var(--bg);
  font-size:16.5px;
  line-height:1.7;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Poppins', sans-serif;
  color:var(--ink);
  line-height:1.2;
  font-weight:800;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none;}
.wrap{max-width:1240px; margin:0 auto; padding:0 24px;}
.section{padding:60px 0;}
.section-tight{padding:44px 0;}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; background:var(--green-pale); color:var(--green);
  font-size:12.5px; font-weight:700; letter-spacing:1.4px; padding:8px 16px; border-radius:999px; margin-bottom:18px;
}
.eyebrow.gold{background:var(--gold-pale); color:#a3760f;}
.section-head{max-width:680px; margin:0 auto 36px; text-align:center;}
.section-head h2{font-size:clamp(1.8rem,1.5rem+1.3vw,2.6rem); margin-bottom:16px;}
.section-head p{font-size:17.5px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background:var(--green); color:#fff; font-weight:600; font-size:15.5px;
  padding:14px 28px; border-radius:10px; border:none; cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow:0 10px 24px rgba(22,163,74,0.28);
}
.btn:hover{background:var(--green-light); transform:translateY(-2px); box-shadow:0 16px 32px rgba(22,163,74,0.34);}
.btn-outline{background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,0.5); box-shadow:none;}
.btn-outline:hover{background:rgba(255,255,255,0.1); border-color:#fff; transform:translateY(-2px); box-shadow:none;}
.btn-dark{background:var(--ink); box-shadow:0 10px 24px rgba(11,17,32,0.22);}
.btn-dark:hover{background:#1a2740;}
.btn-gold{background:var(--gold); box-shadow:0 10px 24px rgba(245,183,61,0.32);}
.btn-gold:hover{background:#e0a12b;}
.btn-sm{padding:10px 20px; font-size:14px; border-radius:8px;}
.btn-block{width:100%;}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:fixed; top:0; left:0; right:0; width:100%; z-index:100; background:rgba(11,17,32,0.0);
  transition:background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled{background:rgba(11,17,32,0.92); backdrop-filter:blur(10px); box-shadow:0 8px 24px rgba(0,0,0,0.18);}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:20px 0;}
.brand{display:flex; align-items:center; gap:10px;}
.brand-mark{width:40px; height:40px; border-radius:50%; object-fit:cover; flex-shrink:0;}
.brand-text{color:#fff; font-weight:800; font-size:18px; letter-spacing:.2px;}
.brand-text span{color:var(--green-light);}
nav.main-nav{display:flex; align-items:center; gap:30px;}
nav.main-nav a{color:#dfe6e2; font-size:15px; font-weight:500; transition:color .15s;}
nav.main-nav a:hover{color:var(--green-light);}
.header-cta{display:flex; align-items:center; gap:14px;}
.nav-toggle{display:none; background:none; border:none; cursor:pointer; padding:6px;}
.nav-toggle span{display:block; width:24px; height:2.5px; background:#fff; margin:5px 0; border-radius:2px;}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative; background:radial-gradient(circle at 15% 0%, #123625 0%, var(--ink) 45%, var(--ink-2) 100%);
  color:#fff; padding:56px 0 64px; overflow:hidden;
}
.hero-blob{position:absolute; border-radius:50%; filter:blur(60px); opacity:.35; pointer-events:none;}
.hero-blob.b1{width:520px; height:520px; background:var(--green); top:-180px; right:-120px;}
.hero-blob.b2{width:420px; height:420px; background:var(--gold); bottom:-160px; left:-100px; opacity:.18;}
.hero-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:60px; align-items:center; position:relative; z-index:2;}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.14);
  color:#bfe8cf; font-size:12.5px; font-weight:600; letter-spacing:1.3px; padding:8px 16px; border-radius:999px; margin-bottom:24px;
}
.hero h1{color:#fff; font-size:clamp(2.1rem,1.5rem+2.6vw,3.4rem); margin-bottom:22px;}
.hero h1 em{font-style:normal; color:var(--green-light);}
.hero p.lead{color:#c3cdd6; font-size:18.5px; max-width:560px; margin-bottom:36px;}
.hero-btn-row{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:44px;}
.hero-tags{display:flex; gap:10px; flex-wrap:wrap;}
.hero-tag{background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.12); color:#c9d3da; font-size:13px; padding:7px 14px; border-radius:999px;}

/* ---------- Hero orbit visual ---------- */
.hero-visual{display:flex; flex-direction:column; align-items:center; gap:22px; position:relative; z-index:2;}
.orbit-wrap{position:relative; width:300px; height:300px; margin-top:56px;}
.orbit-glow{position:absolute; inset:70px; border-radius:50%; background:radial-gradient(circle, rgba(34,197,94,0.35), transparent 70%); filter:blur(10px); animation:pulseGlow 3.5s ease-in-out infinite;}
.orbit-rings{position:absolute; inset:0; width:100%; height:100%;}
.ring-path{fill:none; stroke:rgba(255,255,255,0.14); stroke-width:1;}
.ring-path-2{stroke:rgba(34,197,94,0.28); stroke-dasharray:3 7; animation:dashFlow 7s linear infinite;}
.orbit-core{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:64px; height:64px; border-radius:50%;
  background:linear-gradient(135deg,var(--green),var(--forest)); display:flex; align-items:center; justify-content:center;
  box-shadow:0 0 30px rgba(34,197,94,.45), 0 0 0 8px rgba(34,197,94,.08); z-index:3; animation:corePulse 3.5s ease-in-out infinite;
}
.orbit-ring{position:absolute; inset:0;}
.orbit-ring-a{animation:spin 16s linear infinite;}
.orbit-ring-a .orbit-icon{animation:spinRev 16s linear infinite;}
.orbit-ring-b{animation:spinRev 22s linear infinite;}
.orbit-ring-b .orbit-icon{animation:spin 22s linear infinite;}
.orbit-ring-c{animation:spin 26s linear infinite;}
.orbit-ring-c .orbit-icon{animation:spinRev 26s linear infinite;}
.orbit-ring-d{animation:spinRev 30s linear infinite;}
.orbit-ring-d .orbit-icon{animation:spin 30s linear infinite;}
.orbit-node{position:absolute; top:50%; left:50%; width:0; height:0;}
.node-solar{transform:rotate(-20deg);}
.node-tech{transform:rotate(100deg);}
.node-shield{transform:rotate(200deg);}
.node-leaf{transform:rotate(300deg);}
.orbit-icon{
  position:absolute; left:0; top:-150px; transform:translate(-50%,-50%); width:42px; height:42px; border-radius:50%;
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.18); backdrop-filter:blur(4px);
  display:flex; align-items:center; justify-content:center; box-shadow:0 8px 20px rgba(0,0,0,0.28);
}
.node-tech .orbit-icon, .node-leaf .orbit-icon{top:-106px;}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg);}}
@keyframes spinRev{to{transform:translate(-50%,-50%) rotate(-360deg);}}
@keyframes dashFlow{to{stroke-dashoffset:-100;}}
@keyframes pulseGlow{0%,100%{opacity:.55; transform:scale(1);} 50%{opacity:.9; transform:scale(1.08);}}
@keyframes corePulse{0%,100%{transform:translate(-50%,-50%) scale(1);} 50%{transform:translate(-50%,-50%) scale(1.07);}}
@media (prefers-reduced-motion: reduce){
  .orbit-ring, .orbit-icon, .orbit-glow, .orbit-core, .ring-path-2{animation:none !important;}
}

.hero-panel{
  background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.1); border-radius:22px;
  padding:32px; backdrop-filter:blur(6px); box-shadow:var(--shadow-lg);
}
.hero-panel-compact{padding:22px 26px; width:100%; max-width:320px;}
.hero-panel-title{color:#fff; font-size:14px; font-weight:600; letter-spacing:.5px; margin-bottom:22px; display:flex; align-items:center; gap:10px;}
.hero-panel-row{display:flex; align-items:center; justify-content:space-between; padding:14px 0; border-bottom:1px solid rgba(255,255,255,0.08);}
.hero-panel-row:last-child{border-bottom:none;}
.hero-panel-label{color:#aab5bf; font-size:14px; display:flex; align-items:center; gap:10px;}
.hero-panel-dot{width:8px; height:8px; border-radius:50%; background:var(--green-light);}
.hero-panel-value{color:#fff; font-weight:700; font-size:15px;}

/* =========================================================
   Stats band
   ========================================================= */
.stats-band{background:var(--forest); padding:0;}
.stats-grid{display:grid; grid-template-columns:repeat(4,1fr); text-align:center;}
.stat-item{padding:34px 20px; border-right:1px solid rgba(255,255,255,0.08);}
.stat-item:last-child{border-right:none;}
.stat-number{color:#fff; font-size:clamp(1.8rem,1.5rem+1vw,2.4rem); font-weight:800; margin-bottom:6px;}
.stat-number span{color:var(--green-light);}
.stat-label{color:#b9d4c4; font-size:13.5px; letter-spacing:.3px;}

/* =========================================================
   Why choose us
   ========================================================= */
.why-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:24px;}
.why-card{
  background:#fff; border:1px solid var(--border); border-radius:18px; padding:30px 26px;
  box-shadow:var(--shadow-sm); transition:transform .18s, box-shadow .18s;
}
.why-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-md);}
.why-icon{width:52px; height:52px; border-radius:14px; background:var(--green-pale); display:flex; align-items:center; justify-content:center; margin-bottom:20px;}
.why-card h3{font-size:17.5px; margin-bottom:10px;}
.why-card p{font-size:14.5px;}

/* =========================================================
   Services grid ("What We Do")
   ========================================================= */
.services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:26px;}
.service-card{
  background:#fff; border:1px solid var(--border); border-radius:18px; padding:32px 28px;
  box-shadow:var(--shadow-sm); transition:transform .18s, box-shadow .18s, border-color .18s;
  display:flex; flex-direction:column;
}
.service-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:transparent;}
.service-icon{width:54px; height:54px; border-radius:14px; display:flex; align-items:center; justify-content:center; margin-bottom:22px;}
.service-card h3{font-size:18.5px; margin-bottom:10px;}
.service-card p{font-size:14.5px; margin-bottom:20px; flex:1;}
.service-link{color:var(--green); font-weight:600; font-size:14px; display:inline-flex; align-items:center; gap:6px;}
.service-card.solar .service-icon{background:var(--gold-pale);}
.service-card.solar .service-link{color:#a3760f;}

/* =========================================================
   Solutions showcase (pillar sections)
   ========================================================= */
.pillar-banner{background:#fff; border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding:36px 0 6px; text-align:center;}
.pillar-banner.gold-banner{background:linear-gradient(180deg,var(--gold-pale) 0%, var(--bg) 100%);}
.solution-block{padding:52px 0;}
.solution-block:nth-of-type(even){background:#fff;}
.solution-grid{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:64px; align-items:center;}
.solution-block.reverse .solution-grid{direction:rtl;}
.solution-block.reverse .solution-grid > *{direction:ltr;}
.solution-media{min-width:0;}
.solution-media img{width:100%; height:auto; border-radius:18px; box-shadow:var(--shadow-lg); border:1px solid var(--border);}
.solution-tag{
  display:inline-flex; align-items:center; gap:8px; background:var(--green-pale); color:var(--green);
  font-size:12.5px; font-weight:700; letter-spacing:1px; padding:7px 16px; border-radius:999px; margin-bottom:20px;
}
.solution-tag.gold{background:var(--gold-pale); color:#a3760f;}
.solution-content h2{font-size:clamp(1.5rem,1.3rem+1vw,2.1rem); margin-bottom:16px;}
.solution-content p.lead{font-size:17.5px; margin-bottom:26px;}
.checklist{margin-bottom:32px;}
.checklist li{
  display:flex; align-items:flex-start; gap:12px; padding:10px 0; font-size:15.5px; color:#28313d;
  border-bottom:1px solid var(--border);
}
.checklist li:last-child{border-bottom:none;}
.check{
  flex-shrink:0; width:22px; height:22px; border-radius:50%; background:var(--green-pale);
  display:flex; align-items:center; justify-content:center; margin-top:2px;
}
.check svg{width:12px; height:12px;}
.check.gold{background:var(--gold-pale);}

/* =========================================================
   CTA band
   ========================================================= */
.cta-band{
  background:linear-gradient(120deg, var(--forest) 0%, var(--ink) 100%);
  color:#fff; text-align:center; padding:60px 0; position:relative; overflow:hidden;
}
.cta-band h2{color:#fff; font-size:clamp(1.8rem,1.5rem+1.2vw,2.4rem); margin-bottom:18px;}
.cta-band p{color:#c3cdd6; max-width:600px; margin:0 auto 36px; font-size:17.5px;}

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px;}
.contact-info h2{font-size:clamp(1.6rem,1.4rem+1vw,2.1rem); margin-bottom:18px;}
.contact-info > p{font-size:16.5px; margin-bottom:32px;}
.contact-item{display:flex; gap:16px; align-items:flex-start; margin-bottom:26px;}
.contact-item-icon{width:44px; height:44px; border-radius:12px; background:var(--green-pale); display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.contact-item h4{font-size:15px; margin-bottom:4px;}
.contact-item p, .contact-item a{font-size:14.5px; color:var(--slate);}
.footprint{display:flex; flex-wrap:wrap; gap:8px; margin-top:8px;}
.footprint span{background:var(--bg); border:1px solid var(--border); font-size:12.5px; padding:5px 12px; border-radius:999px; color:var(--slate);}

.contact-form{background:#fff; border:1px solid var(--border); border-radius:20px; padding:40px; box-shadow:var(--shadow-md);}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block; font-size:13.5px; font-weight:600; color:var(--ink); margin-bottom:8px;}
.form-group input, .form-group textarea{
  width:100%; padding:13px 16px; border:1.5px solid var(--border); border-radius:10px; font-family:inherit; font-size:14.5px;
  transition:border-color .15s;
}
.form-group input:focus, .form-group textarea:focus{outline:none; border-color:var(--green);}
.form-group textarea{resize:vertical; min-height:120px;}
.form-status{font-size:14px; margin-top:14px; display:none;}
.form-status.show{display:block;}
.form-status.ok{color:var(--green);}
.form-status.err{color:#c0293e;}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{background:var(--ink); color:#9aa7b4; padding:48px 0 0;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,0.08);}
.footer-brand .brand-text{margin-bottom:14px;}
.footer-brand p{font-size:14.5px; line-height:1.7; max-width:300px;}
.footer-col h4{color:#fff; font-size:15px; margin-bottom:20px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{font-size:14.5px; color:#9aa7b4; transition:color .15s;}
.footer-col a:hover{color:var(--green-light);}
.footer-newsletter p{font-size:14px; margin-bottom:16px;}
.subscribe-row{display:flex; gap:8px;}
.subscribe-row input{
  flex:1; padding:12px 14px; border-radius:8px; border:1px solid rgba(255,255,255,0.15);
  background:rgba(255,255,255,0.05); color:#fff; font-size:14px; font-family:inherit;
}
.subscribe-row input::placeholder{color:#6b7684;}
.subscribe-row button{padding:12px 18px; border-radius:8px;}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding:24px 0; flex-wrap:wrap; gap:12px; font-size:13.5px;}
.footer-bottom a{margin-left:20px; color:#9aa7b4;}
.footer-bottom a:hover{color:var(--green-light);}
.footer-socials{display:flex; gap:10px;}
.footer-socials a{width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,0.06); display:flex; align-items:center; justify-content:center;}
.footer-socials a:hover{background:var(--green);}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2n){border-right:none;}
  .footer-grid{grid-template-columns:1fr 1fr; gap:32px;}
  .solution-grid{grid-template-columns:1fr; gap:36px;}
  .solution-block.reverse .solution-grid{direction:ltr;}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:720px){
  nav.main-nav{
    position:fixed; top:0; right:-100%; width:78%; max-width:320px; height:100vh; background:var(--ink);
    flex-direction:column; align-items:flex-start; padding:100px 32px 32px; gap:22px; transition:right .3s ease; z-index:99;
  }
  nav.main-nav.open{right:0; box-shadow:-20px 0 60px rgba(0,0,0,0.3);}
  .nav-toggle{display:block;}
  .header-cta .btn{display:none;}
  .why-grid, .services-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero{padding-bottom:90px;}
  .orbit-wrap{width:240px; height:240px; margin-top:36px;}
  .orbit-icon{top:-120px; width:36px; height:36px;}
  .node-tech .orbit-icon, .node-leaf .orbit-icon{top:-86px;}
  .orbit-core{width:52px; height:52px;}
}