/* ============================================================
   AMG Energy Services — redesign stylesheet
   Brand: AMG royal blue #12317a · accent green #90c31f
   ============================================================ */
:root{
  --navy:#0a1b3d;      --navy-2:#0e2550;   --navy-3:#102b63;
  --brand:#12317a;     --brand-2:#1c4aa0;  --brand-ink:#0c2456;
  --green:#90c31f;     --green-2:#79a814;  --green-ink:#3f5a0a;
  --ink:#15212e;       --muted:#5d6b7e;    --muted-2:#8493a5;
  --soft:#f4f7fb;      --soft-2:#eaf0f8;   --line:#e4eaf2;
  --white:#ffffff;
  --shadow-sm:0 1px 3px rgba(13,32,71,.08), 0 1px 2px rgba(13,32,71,.06);
  --shadow:0 10px 30px rgba(13,32,71,.10);
  --shadow-lg:0 24px 60px rgba(13,32,71,.18);
  --radius:14px; --radius-sm:10px;
  --wrap:1200px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;color:var(--navy);font-weight:800;letter-spacing:-.02em}
p{color:var(--ink)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-2)}
.eyebrow.on-dark{color:var(--green)}
.lead{font-size:1.18rem;color:var(--muted)}
.text-muted{color:var(--muted)}
.center{text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-weight:700;font-size:.96rem;padding:.85em 1.5em;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap}
.btn svg{width:1.05em;height:1.05em}
.btn-green{background:var(--green);color:#16270a;border-color:var(--green)}
.btn-green:hover{background:var(--green-2);border-color:var(--green-2);transform:translateY(-2px)}
.btn-navy{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-navy:hover{background:var(--brand-2);border-color:var(--brand-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand);background:var(--soft)}

/* top contact bar */
.topbar{background:var(--navy);color:#c9d6ea;font-size:.84rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;height:40px}
.topbar a{color:#c9d6ea;transition:.2s}
.topbar a:hover{color:#fff}
.topbar .tb-left{display:flex;gap:22px;align-items:center}
.topbar .tb-item{display:inline-flex;gap:.5em;align-items:center}
.topbar .tb-item svg{width:14px;height:14px;color:var(--green)}
.topbar .tb-right{display:flex;gap:16px;align-items:center}

/* header / nav */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.nav .logo img{height:46px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links>li>a{display:inline-flex;align-items:center;gap:.35em;font-weight:600;font-size:.96rem;color:var(--navy);padding:.6em .9em;border-radius:8px;transition:.18s}
.nav-links>li>a:hover{color:var(--brand-2);background:var(--soft)}
.nav-links>li>a.active{color:var(--brand-2)}
.nav-cta{display:flex;align-items:center;gap:12px}
.hasmenu{position:relative}
.hasmenu>a svg{width:14px;height:14px;transition:transform .2s}
.hasmenu:hover>a svg{transform:rotate(180deg)}
.submenu{position:absolute;top:calc(100% + 8px);left:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;list-style:none}
.hasmenu:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu li a{display:block;padding:.6em .8em;border-radius:8px;font-size:.92rem;font-weight:500;color:var(--ink)}
.submenu li a:hover{background:var(--soft);color:var(--brand-2)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.25s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{position:relative;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.03)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,20,46,.93) 0%,rgba(9,24,58,.82) 38%,rgba(10,27,61,.45) 78%,rgba(10,27,61,.25) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:104px;max-width:980px}
.hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.6rem);margin:.5rem 0 1rem;max-width:18ch}
.hero h1 .accent{color:var(--green)}
.hero p.lead{color:#d7e1f0;max-width:62ch;font-size:1.18rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-strip{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.16);background:rgba(6,16,38,.55);backdrop-filter:blur(2px)}
.hero-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 24px}
.hs-item{display:flex;flex-direction:column}
.hs-item .num{font-size:1.7rem;font-weight:800;color:#fff;letter-spacing:-.02em}
.hs-item .num b{color:var(--green)}
.hs-item .lbl{font-size:.82rem;color:#aebfd6;letter-spacing:.01em}

/* sections */
section{padding:84px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:.5rem 0 .6rem}
.section-head p{font-size:1.08rem;color:var(--muted)}
.bg-soft{background:var(--soft)}
.bg-navy{background:var(--navy);color:#fff}
.bg-navy h2,.bg-navy h3{color:#fff}
.divider-green{width:54px;height:4px;background:var(--green);border-radius:3px;margin-bottom:18px}
.section-head.center .divider-green{margin-left:auto;margin-right:auto}

/* about split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.split.rev{grid-template-columns:.95fr 1.05fr}
.split .media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;max-height:460px}
.pill-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.pill{display:flex;gap:12px;align-items:flex-start;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px;flex:1 1 220px}
.pill .ic{flex:0 0 40px;width:40px;height:40px;border-radius:10px;background:var(--brand);display:grid;place-items:center}
.pill .ic svg{width:20px;height:20px;color:#fff}
.pill h4{font-size:1rem;margin-bottom:2px}
.pill p{font-size:.9rem;color:var(--muted);line-height:1.5}

/* value chain band */
.vchain{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.vc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 16px;text-align:center;transition:.22s}
.bg-navy .vc{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.vc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.vc .ic{width:50px;height:50px;margin:0 auto 12px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center}
.vc .ic svg{width:26px;height:26px;color:#fff}
.vc h4{font-size:.98rem;color:#fff}
.bg-navy .vc h4{color:#fff}
.vc.light h4{color:var(--navy)}
.commodity-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:26px}
.tag{font-size:.8rem;font-weight:700;letter-spacing:.03em;color:#cfe0a6;border:1px solid rgba(144,195,31,.45);background:rgba(144,195,31,.10);padding:.4em .9em;border-radius:999px}

/* product grid */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard{position:relative;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.25s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pcard .ph{aspect-ratio:4/3;overflow:hidden;background:var(--soft-2)}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .ph img{transform:scale(1.06)}
.pcard .pb{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:1.12rem;margin-bottom:6px}
.pcard p{font-size:.9rem;color:var(--muted);flex:1}
.pcard .more{margin-top:14px;font-weight:700;font-size:.88rem;color:var(--brand-2);display:inline-flex;align-items:center;gap:.4em}
.pcard .more svg{width:15px;height:15px;transition:transform .2s}
.pcard:hover .more svg{transform:translateX(4px)}

/* strengths / feature cards */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.22s}
.fcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.fcard .ic{width:54px;height:54px;border-radius:14px;background:var(--soft-2);display:grid;place-items:center;margin-bottom:18px}
.fcard .ic svg{width:27px;height:27px;color:var(--brand-2)}
.fcard h3{font-size:1.14rem;margin-bottom:8px}
.fcard p{font-size:.95rem;color:var(--muted)}

/* projects */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.projcard{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.25s}
.projcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.projcard .ph{aspect-ratio:16/10;overflow:hidden}
.projcard .ph img{width:100%;height:100%;object-fit:cover}
.projcard .pb{padding:22px 22px 24px}
.projcard .client{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--green-2)}
.projcard h3{font-size:1.14rem;margin:6px 0 8px}
.projcard p{font-size:.92rem;color:var(--muted)}
.client-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:44px}
.client-chip{font-weight:700;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:10px;padding:.7em 1.25em;font-size:.95rem;box-shadow:var(--shadow-sm)}
.logo-wall{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:24px 56px;margin-top:44px}
.logo-wall .lw{display:flex;align-items:center;justify-content:center;height:66px;padding:0 6px}
.logo-wall img{max-height:56px;max-width:230px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.66;transition:filter .25s,opacity .25s}
.logo-wall .lw:hover img{filter:none;opacity:1}
.logo-note{text-align:center;font-size:.86rem;color:var(--muted-2);margin-top:26px}

/* partners */
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.partner{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}
.partner h3{font-size:1.18rem;margin-bottom:8px}
.partner h3 span{color:var(--green-2);font-size:.8rem;display:block;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}
.partner p{font-size:.93rem;color:var(--muted)}

/* CTA band */
.cta-band{position:relative;background:linear-gradient(120deg,var(--brand-ink),var(--brand) 60%,var(--brand-2));color:#fff;border-radius:20px;padding:54px 56px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(144,195,31,.32),transparent 70%)}
.cta-band .ct{position:relative;z-index:2;max-width:640px}
.cta-band h2{color:#fff;font-size:1.9rem;margin-bottom:8px}
.cta-band p{color:#cfdbf0}
.cta-band .ca{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--navy);color:#aebed6;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.site-footer img.flogo{height:62px;margin-bottom:18px}
.site-footer p{font-size:.92rem;color:#9fb0ca;max-width:34ch}
.site-footer h4{color:#fff;font-size:.86rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{font-size:.93rem;color:#aebed6;transition:.18s}
.site-footer ul a:hover{color:var(--green)}
.fcontact li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;margin-bottom:14px;color:#aebed6}
.fcontact li svg{width:17px;height:17px;color:var(--green);flex:0 0 17px;margin-top:3px}
.abn{font-size:.82rem;color:#7e90ad;margin-top:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.84rem;color:#8294b0}
.foot-bottom a{color:#aebed6}
.foot-bottom a:hover{color:var(--green)}

/* reveal on scroll */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* page hero (inner pages) */
.page-hero{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.page-hero .pbg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.page-hero .povl{position:absolute;inset:0;background:linear-gradient(110deg,rgba(8,20,46,.92),rgba(10,27,61,.6))}
.page-hero .wrap{position:relative;z-index:2;padding:74px 24px 64px}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,3.6vw,2.9rem);margin:.4rem 0 .5rem}
.page-hero p{color:#cdd9ec;max-width:64ch;font-size:1.1rem}
.crumbs{font-size:.84rem;color:#9fb2d0;margin-bottom:6px}
.crumbs a:hover{color:var(--green)}

/* prose / rich content */
.prose{max-width:760px}
.prose h2{font-size:1.6rem;margin:36px 0 12px}
.prose h3{font-size:1.22rem;margin:26px 0 8px}
.prose p{margin-bottom:16px;color:#33414f}
.prose ul{margin:0 0 18px 20px}
.prose li{margin-bottom:8px;color:#33414f}
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:8px 0 8px}
.spec{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:20px}
.spec .ic{width:46px;height:46px;border-radius:11px;background:var(--brand);display:grid;place-items:center;margin-bottom:12px}
.spec .ic svg{width:23px;height:23px;color:#fff}
.spec h4{font-size:1rem;margin-bottom:4px}
.spec p{font-size:.9rem;color:var(--muted);margin:0}
.aside-card{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:sticky;top:100px}
.aside-card h4{font-size:1.05rem;margin-bottom:8px}
.aside-card p{font-size:.92rem;color:var(--muted);margin-bottom:16px}
.layout-2{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:start}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:.8em 1em;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:#fff;transition:.18s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(28,74,160,.12)}
.info-block{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.info-block .ic{flex:0 0 44px;width:44px;height:44px;border-radius:11px;background:var(--brand);display:grid;place-items:center}
.info-block .ic svg{width:21px;height:21px;color:#fff}
.info-block h4{font-size:1rem;margin-bottom:2px}
.info-block p,.info-block a{font-size:.95rem;color:var(--muted)}
.info-block a:hover{color:var(--brand-2)}
.notice{background:#fff8e6;border:1px solid #f3dca0;color:#7a5b12;border-radius:10px;padding:10px 14px;font-size:.82rem;margin-top:10px}

/* responsive */
@media (max-width:1040px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .vchain{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .layout-2{grid-template-columns:1fr}
  .aside-card{position:static}
}
@media (max-width:860px){
  .nav-links,.nav-cta .btn{display:none}
  .hamburger{display:flex}
  .nav-links.mobile{display:flex;position:absolute;top:78px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:12px 16px;gap:2px}
  .nav-links.mobile .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:4px 0 8px 14px;min-width:0}
  .nav-links.mobile>li>a{padding:.8em .4em}
  .split,.split.rev{grid-template-columns:1fr;gap:34px}
  .split .media{order:-1}
  .feat-grid,.proj-grid,.partner-grid{grid-template-columns:1fr}
  .hero-strip .wrap{grid-template-columns:repeat(2,1fr);gap:22px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:38px 30px}
  section{padding:62px 0}
}
@media (max-width:560px){
  .topbar .tb-left .tb-item.addr{display:none}
  .prod-grid,.vchain,.spec-grid{grid-template-columns:1fr}
  .hero-strip .wrap{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
}