/* GreenLeaf Technology Solutions — brand system
   Forest #0F5132 · Deep #0B3D23 · Leaf #7AB648 · Amber #E8890C · Paper #FAFAF7 */
:root{
  --forest:#0F5132; --deep:#0B3D23; --leaf:#7AB648; --leaf-soft:#E8F3DD;
  --amber:#E8890C; --paper:#FAFAF7; --ink:#1D2B22; --mute:#5C6B60;
  --line:#E3E8E0; --radius:14px;
  --display:'Lora',Georgia,serif; --body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--forest)}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--display);color:var(--deep);line-height:1.2}
h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:600}
h2 em,h1 em{font-style:normal;color:var(--forest)}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.72rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--forest)}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--amber);border-radius:2px}
section{padding:72px 0}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:34px;width:auto}
.brand-text{font-family:var(--display);font-weight:700;font-size:1.35rem;color:var(--deep);line-height:1}
.brand-text em{font-style:italic;color:var(--leaf)}
.brand-text small{display:block;font-family:var(--body);font-weight:600;font-size:.52rem;letter-spacing:.24em;color:var(--mute)}
.main-nav{display:flex;gap:22px;margin-left:auto}
.main-nav a{text-decoration:none;font-weight:500;font-size:.92rem;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.on{color:var(--forest);border-bottom-color:var(--amber)}
.main-nav a.nav-calc{background:var(--forest);color:#fff;padding:8px 16px;border-radius:999px;border:none}
.main-nav a.nav-calc:hover{background:var(--deep)}
.lang-switch{font-weight:700;font-size:.85rem;color:var(--mute);display:flex;gap:6px}
.lang-switch a{text-decoration:none;color:var(--mute)}
.lang-switch a.on{color:var(--forest);text-decoration:underline}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--deep);border-radius:2px}

/* Hero — signature leaf sweep */
.hero{background:linear-gradient(140deg,var(--deep) 0%,var(--forest) 55%,#1B6A3F 100%);color:#fff;position:relative;overflow:hidden;padding:96px 0 130px}
.hero .eyebrow{color:var(--leaf)}
.hero h1{color:#fff;max-width:640px}
.hero h1 em{color:var(--amber)}
.hero p{max-width:560px;margin:18px 0 30px;color:#DCEBDF;font-size:1.08rem}
.hero-leaf{position:absolute;right:-60px;top:40px;width:min(46vw,540px);opacity:.16;pointer-events:none}
.sweep{position:absolute;bottom:-2px;left:0;width:100%;height:90px}
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:600;text-decoration:none;font-size:.95rem;border:2px solid transparent}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:#CF7A08}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{border-color:#fff}
.btn-forest{background:var(--forest);color:#fff}
.btn-forest:hover{background:var(--deep)}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}

/* Stats band */
.stats{background:#fff;border-bottom:1px solid var(--line);padding:34px 0}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;text-align:center}
.stat b{font-family:var(--display);font-size:2rem;color:var(--forest);display:block}
.stat span{font-size:.8rem;color:var(--mute)}

/* Sector cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:34px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;border-top:4px solid var(--forest)}
.card:nth-child(2){border-top-color:#2563EB}.card:nth-child(3){border-top-color:#0D9488}
.card:nth-child(4){border-top-color:#475569}.card:nth-child(5){border-top-color:var(--amber)}
.card h3{font-size:1.05rem;margin-bottom:8px}
.card p{font-size:.88rem;color:var(--mute)}
.card .chip{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.12em;color:var(--amber);margin-bottom:10px;text-transform:uppercase}

/* Flagship */
.flagship{background:var(--leaf-soft)}
.flagship-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:center}
.flagship .metric-band{background:var(--forest);color:#fff;border-radius:var(--radius);padding:22px 26px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.metric-band b{font-family:var(--display);font-size:1.9rem;color:var(--amber)}
.metric-band small{display:block;font-size:.7rem;letter-spacing:.14em;opacity:.85}

/* Timeline */
.timeline{list-style:none;border-left:3px solid var(--leaf);margin:30px 0 0 8px;padding-left:26px}
.timeline li{margin-bottom:22px;position:relative}
.timeline li::before{content:"";position:absolute;left:-34.5px;top:6px;width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--forest)}
.timeline b{color:var(--forest);font-family:var(--display)}

/* Certifications table */
.cert-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06);margin-top:26px}
.cert-table th{background:var(--forest);color:#fff;text-align:left;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;padding:14px 16px}
.cert-table td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top}
.cert-table tr:last-child td{border-bottom:0}
.cert-table .cls{color:var(--forest);font-weight:700}
.reg-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:26px}
.reg-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--leaf);border-radius:10px;padding:18px}
.reg-card b{display:block;margin-bottom:4px}
.reg-card span{font-size:.85rem;color:var(--mute)}

/* Calculator */
.calc-shell{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 6px 24px rgba(15,81,50,.07);margin-top:30px}
.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 8px}
.mode-btn{border:2px solid var(--line);background:var(--paper);border-radius:12px;padding:18px;text-align:left;cursor:pointer;font-family:var(--body)}
.mode-btn b{display:block;color:var(--deep);margin-bottom:4px;font-size:.98rem}
.mode-btn span{font-size:.82rem;color:var(--mute)}
.mode-btn.on{border-color:var(--forest);background:var(--leaf-soft)}
.field{margin:16px 0}
.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px}
.field small{color:var(--mute);font-size:.8rem;display:block;margin-top:5px}
input[type=text],input[type=number],input[type=email],input[type=tel],select,textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--leaf);border-color:var(--leaf)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.warn{background:#FEF6E7;border:1px solid #F3D9A4;color:#8A5A00;border-radius:10px;padding:12px 14px;font-size:.88rem;margin-top:10px;display:none}
.app-table{width:100%;border-collapse:collapse;margin-top:8px}
.app-table th{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;text-align:left;color:var(--mute);padding:6px}
.app-table td{padding:5px}
.app-table input,.app-table select{padding:9px 10px}
.link-btn{background:none;border:none;color:var(--forest);font-weight:600;cursor:pointer;font:inherit;text-decoration:underline;padding:6px 0}
.del-btn{background:none;border:none;color:#B4231F;cursor:pointer;font-size:1.1rem}
.results{display:none;margin-top:28px;border-top:2px dashed var(--line);padding-top:26px}
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0}
.res-box{background:var(--leaf-soft);border-radius:12px;padding:20px;text-align:center}
.res-box b{font-family:var(--display);font-size:1.7rem;color:var(--forest);display:block}
.res-box span{font-size:.8rem;color:var(--mute)}
.res-box.amber{background:#FDF1DF}
.res-box.amber b{color:var(--amber)}
.teaser{background:var(--forest);color:#fff;border-radius:12px;padding:20px 24px;margin:20px 0;font-size:.95rem}
.disclaimer{font-size:.8rem;color:var(--mute);font-style:italic;margin-top:14px}
.hidden{display:none}
.msg-ok{background:var(--leaf-soft);border:1px solid var(--leaf);color:var(--deep);padding:16px;border-radius:10px;margin-top:16px}
.msg-err{background:#FBEAEA;border:1px solid #E5B3B0;color:#8A1F1B;padding:16px;border-radius:10px;margin-top:16px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;margin-top:30px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:16px}
.contact-card h4{color:var(--forest);margin-bottom:6px}

/* Footer */
.site-footer{background:var(--deep);color:#CFE0D3;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:54px 0 40px}
.site-footer h4{color:#fff;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.site-footer a{color:var(--leaf)}
.site-footer .tagline{font-family:var(--display);font-style:italic;color:#E9F3EA;margin-top:12px}
.footer-brand img{height:36px}
.footer-reg{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:.75rem;letter-spacing:.06em;color:#9FBBA6;text-align:center}
.site-footer p{font-size:.92rem}

/* Projects */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:30px}
.proj-card{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line)}
.proj-head{padding:18px 22px;color:#fff}
.proj-head small{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;opacity:.9;display:block;margin-bottom:4px}
.proj-head h3{color:#fff;font-size:1.1rem}
.proj-body{padding:20px 22px}
.proj-body p{font-size:.9rem;color:var(--mute)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.tags span{background:var(--leaf-soft);color:var(--forest);font-size:.72rem;font-weight:600;padding:4px 10px;border-radius:999px}

@media(max-width:900px){
  .main-nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 22px;border-bottom:1px solid var(--line);gap:14px}
  .main-nav.open{display:flex}
  .nav-toggle{display:flex}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .flagship-inner,.contact-grid{grid-template-columns:1fr}
  .mode-grid,.res-grid,.row-3{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:540px){.footer-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}