/* ============================================================
   ELC  |  Environmental Logistics & Consulting
   Shared stylesheet  ·  Inter  ·  green / blue / teal system
   ============================================================ */
:root{
  --bg:#EEF3F1;--cream:#F7FBF9;--ink:#0B2129;--deep:#0E3A44;
  --green:#15784E;--green-br:#1E9A63;--blue:#1C6A92;--blue-br:#2E86B8;
  --teal:#1A8C86;--aqua:#3FBFA0;--aqua-soft:#A6DDCF;--blue-soft:#A9D3E6;
  --line:rgba(11,33,41,.14);
  --grad:linear-gradient(120deg,var(--green),var(--blue));
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--teal);color:var(--cream)}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
h1,h2,h3,h4{font-family:var(--sans);font-weight:800;line-height:1.05;letter-spacing:-.02em}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:#fff;padding:10px 16px;border-radius:8px;z-index:2000}

/* kicker */
.kick{display:inline-flex;align-items:center;gap:.55em;font-weight:700;font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:#fff;background:var(--grad);padding:.62em 1.1em;border-radius:100px;margin-bottom:24px}
.kick::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;opacity:.9}

/* buttons */
.btn{font-family:var(--sans);font-weight:600;font-size:.95rem;letter-spacing:-.01em;display:inline-flex;align-items:center;gap:.55em;padding:1.02em 1.7em;border-radius:100px;cursor:pointer;border:2px solid transparent;transition:.3s}
.btn .a{transition:transform .3s}.btn:hover .a{transform:translateX(4px)}
.btn-grad{background:var(--grad);color:#fff;background-size:160% 160%;background-position:0% 50%}.btn-grad:hover{background-position:100% 50%;transform:translateY(-2px)}
.btn-out{background:transparent;border-color:var(--ink);color:var(--ink)}.btn-out:hover{background:var(--ink);color:var(--cream)}
.btn-light{background:#fff;color:var(--ink)}.btn-light:hover{background:var(--ink);color:#fff}

/* header */
header{position:fixed;top:0;left:0;right:0;z-index:900;padding:20px 0;transition:.4s}
header.sc{background:rgba(238,243,241,.9);backdrop-filter:blur(14px);padding:13px 0;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand .mk{width:42px;height:42px;background:var(--grad);border-radius:12px;display:grid;place-items:center;flex:none}
.brand .mk svg{width:22px;height:22px}
.brand .txt{display:flex;flex-direction:column;line-height:1.15}
.brand .nm{font-weight:800;font-size:1.18rem;letter-spacing:-.01em}
.brand .sb{font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(11,33,41,.55);font-weight:600;margin-top:3px}
.nl{display:flex;gap:2px;align-items:center}
.nl a{font-weight:500;font-size:.93rem;padding:.55em .9em;border-radius:9px;transition:.3s}
.nl a:hover,.nl a.active{color:var(--teal)}
.nl .btn{margin-left:12px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}.burger span{width:25px;height:2.5px;background:var(--ink);border-radius:2px}

/* hero */
.hero{padding:160px 0 88px}
.hero h1{font-size:clamp(2.9rem,8vw,6.4rem);letter-spacing:-.04em;font-weight:800;margin:0;max-width:15ch}
.hero h1 .g{color:var(--green)}.hero h1 .b{color:var(--blue)}
.hero .lead{font-size:1.18rem;color:rgba(11,33,41,.72);max-width:560px;margin:26px 0 34px;line-height:1.6}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap}
.hero-visual{display:grid;grid-template-columns:1.9fr 1fr;gap:18px;margin-top:56px}
.hv-img{border-radius:18px;overflow:hidden;position:relative}
.hv-img img{width:100%;height:380px;object-fit:cover}
.hv-img .cap{position:absolute;left:18px;bottom:16px;background:rgba(11,33,41,.78);color:var(--cream);font-size:.78rem;font-weight:500;padding:7px 14px;border-radius:100px;backdrop-filter:blur(6px)}
.hv-stats{background:var(--deep);color:var(--cream);border-radius:18px;padding:14px 30px;display:flex;flex-direction:column;justify-content:center}
.hv-stats .stat{padding:18px 0;border-bottom:1px solid rgba(247,251,249,.16)}
.hv-stats .stat:last-child{border-bottom:none}
.hv-stats .v{font-weight:800;font-size:2.2rem;line-height:1;letter-spacing:-.02em;background:linear-gradient(120deg,var(--aqua),var(--blue-soft));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hv-stats .k{font-size:.85rem;color:rgba(247,251,249,.66);margin-top:7px;line-height:1.45}
.hero-band{margin-top:30px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:18px 0;display:flex;gap:34px;flex-wrap:wrap;font-weight:700;font-size:1.02rem;letter-spacing:-.01em}
.hero-band span{color:var(--teal)}

/* inner page hero */
.page-hero{padding:148px 0 56px}
.page-hero h1{font-size:clamp(2.4rem,5.5vw,4rem);letter-spacing:-.03em;margin:0;max-width:20ch}
.page-hero .lead{font-size:1.15rem;color:rgba(11,33,41,.7);max-width:640px;margin-top:20px;line-height:1.6}
.page-hero .crumbs{font-size:.82rem;color:rgba(11,33,41,.5);margin-bottom:18px;font-weight:500}
.page-hero .crumbs a:hover{color:var(--teal)}

/* section shell */
.sec{padding:104px 0}
.sec-head{max-width:740px;margin-bottom:44px}
.sec-head h2{font-size:clamp(2.2rem,5vw,3.6rem);margin:0;letter-spacing:-.03em}
.sec-head p{font-size:1.1rem;color:rgba(11,33,41,.66);margin-top:18px;line-height:1.6}

/* unified work section (services page) */
.work{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.seg{display:inline-flex;background:var(--bg);border:2px solid var(--ink);border-radius:100px;padding:5px;gap:4px;margin-bottom:40px}
.seg-btn{font-family:var(--sans);font-weight:600;font-size:.94rem;letter-spacing:-.01em;padding:.72em 1.5em;border:none;background:none;border-radius:100px;cursor:pointer;color:var(--ink);transition:.3s}
.seg-btn.on{background:var(--grad);color:#fff}
.seg-btn:not(.on):hover{color:var(--teal)}
.work-view{animation:fadeSw .45s ease}
.work-view.hide{display:none}
@keyframes fadeSw{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.svc-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:stretch}
.svc-tabs{display:flex;flex-direction:column;gap:12px}
.svc-tab{display:flex;align-items:center;gap:18px;text-align:left;width:100%;background:var(--bg);border:2px solid var(--line);border-radius:14px;padding:20px 24px;cursor:pointer;transition:.3s;font-family:var(--sans)}
.svc-tab:hover{border-color:var(--ink)}
.svc-tab.on{border-color:transparent;background:var(--grad);color:#fff}
.svc-tab .no{font-weight:800;font-size:1.7rem;line-height:1;letter-spacing:-.02em;color:var(--blue);transition:.3s;flex:none}
.svc-tab.on .no{color:rgba(255,255,255,.85)}
.tabtext{display:flex;flex-direction:column;gap:5px}
.svc-tab .tt{font-weight:700;font-size:1.24rem;letter-spacing:-.02em;line-height:1.1}
.svc-tab .tg{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:rgba(11,33,41,.5);line-height:1.2}
.svc-tab.on .tg{color:rgba(255,255,255,.78)}
.svc-tab .arr{margin-left:auto;opacity:0;transform:translateX(-6px);transition:.3s;font-size:1.25rem;flex:none}
.svc-tab.on .arr{opacity:1;transform:none}
.svc-panel{border:2px solid var(--ink);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;background:var(--bg)}
.svc-photo{height:236px;overflow:hidden;position:relative}
.svc-photo img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.svc-panel:hover .svc-photo img{transform:scale(1.05)}
.svc-photo .badge{position:absolute;top:16px;left:16px;background:var(--deep);color:var(--cream);font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 12px;border-radius:100px}
.svc-content{padding:34px;flex:1;display:flex;flex-direction:column}
.svc-content h3{font-size:1.85rem;margin-bottom:14px;letter-spacing:-.02em}
.svc-content .desc{color:rgba(11,33,41,.76);font-size:1.02rem;margin-bottom:22px;line-height:1.6}
.svc-points{list-style:none;display:grid;gap:12px;margin-bottom:28px}
.svc-points li{display:flex;gap:12px;font-size:.97rem;color:var(--ink);line-height:1.45}
.svc-points .dot{width:22px;height:22px;border-radius:6px;background:var(--aqua-soft);color:var(--green);flex:none;display:grid;place-items:center;margin-top:1px}
.svc-points .dot svg{width:13px;height:13px}
.svc-content .btn{align-self:flex-start;margin-top:auto}

/* process timeline */
.proc-panel{background:var(--ink);color:var(--cream);border-radius:20px;padding:48px 44px}
.proc-panel .lead-line{color:rgba(247,251,249,.62);font-size:1.05rem;margin-bottom:40px;max-width:560px}
.tl-track{display:flex;position:relative;margin-bottom:40px;flex-wrap:wrap}
.tl-track::before{content:"";position:absolute;top:26px;left:5%;right:5%;height:2px;background:rgba(247,251,249,.2)}
.tl-prog{position:absolute;top:26px;left:5%;height:2px;background:var(--aqua);width:0;transition:width .5s ease;z-index:1}
.tl-node{flex:1;min-width:110px;text-align:center;position:relative;z-index:2;cursor:pointer}
.tl-node .dot{width:54px;height:54px;border-radius:50%;background:var(--ink);border:2px solid rgba(247,251,249,.3);display:grid;place-items:center;margin:0 auto 14px;font-weight:800;font-size:1.05rem;letter-spacing:-.02em;transition:.35s;color:rgba(247,251,249,.6)}
.tl-node.act .dot{background:var(--grad);border-color:transparent;color:#fff;transform:scale(1.08)}
.tl-node .nlab{font-size:.82rem;color:rgba(247,251,249,.6);transition:.3s;font-weight:500;padding:0 8px}
.tl-node.act .nlab{color:var(--cream);font-weight:600}
.tl-detail{background:rgba(247,251,249,.05);border:1px solid rgba(247,251,249,.14);border-radius:14px;padding:34px;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;min-height:148px}
.tl-detail .big{font-weight:800;font-size:3.8rem;line-height:1;letter-spacing:-.03em;background:linear-gradient(120deg,var(--aqua),var(--blue-soft));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tl-detail h3{font-size:1.5rem;margin-bottom:10px;letter-spacing:-.02em}
.tl-detail p{color:rgba(247,251,249,.72);font-size:1.02rem;line-height:1.55}
.tl-detail .dur{display:inline-block;margin-top:14px;font-weight:600;font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;color:var(--aqua-soft);border:1px solid rgba(247,251,249,.2);border-radius:100px;padding:.4em .9em}

/* sectors / cards (also used for home services overview) */
.sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sector{border:2px solid var(--ink);border-radius:16px;overflow:hidden;background:var(--bg);transition:.4s;display:flex;flex-direction:column}
.sector:hover{transform:translateY(-6px);box-shadow:0 26px 50px -28px rgba(11,33,41,.5)}
.sector .pic{height:200px;overflow:hidden;position:relative}
.sector .pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.sector:hover .pic img{transform:scale(1.07)}
.sector .pic .n{position:absolute;top:14px;left:14px;width:40px;height:40px;border-radius:10px;background:var(--grad);color:#fff;font-weight:800;display:grid;place-items:center;letter-spacing:-.02em}
.sector .bd{padding:24px;display:flex;flex-direction:column;flex:1}
.sector .tag{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--blue);margin-bottom:8px}
.sector h3{font-size:1.3rem;margin-bottom:10px;letter-spacing:-.02em}
.sector p{color:rgba(11,33,41,.68);font-size:.94rem;line-height:1.55}
.sector .more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-weight:600;font-size:.9rem;color:var(--teal)}
.sector .more .a{transition:transform .3s}.sector:hover .more .a{transform:translateX(4px)}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-media .m{border-radius:14px;overflow:hidden}
.about-media .m img{width:100%;height:100%;object-fit:cover;min-height:200px}
.about-media .tall{grid-row:span 2}
.about-txt h2{font-size:clamp(2.1rem,4.4vw,3.2rem);margin:0 0 22px;letter-spacing:-.03em}
.about-txt p{font-size:1.07rem;color:rgba(11,33,41,.76);margin-bottom:18px;line-height:1.6}
.about-txt .pq{font-weight:700;font-size:1.4rem;line-height:1.3;letter-spacing:-.02em;color:var(--green);margin-top:26px}

/* risk */
.risk{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.risk-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:start}
.check-list{display:grid;gap:10px}
.ck-item{display:flex;align-items:center;gap:15px;padding:16px 20px;border:2px solid var(--line);border-radius:12px;cursor:pointer;background:var(--bg);transition:.25s;user-select:none;font-family:var(--sans)}
.ck-item:hover{border-color:var(--ink)}
.ck-item.on{border-color:var(--teal);background:#fff}
.ck-box{width:26px;height:26px;border:2px solid var(--line);border-radius:7px;flex:none;display:grid;place-items:center;transition:.25s}
.ck-item.on .ck-box{background:var(--teal);border-color:var(--teal)}
.ck-box svg{width:15px;height:15px;color:var(--cream);opacity:0;transition:.2s}
.ck-item.on .ck-box svg{opacity:1}
.ck-item .t{font-weight:500;font-size:.98rem}
.risk-panel{position:sticky;top:104px;background:var(--deep);color:var(--cream);border-radius:16px;padding:34px}
.risk-panel .pk{font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:var(--aqua-soft);font-weight:700}
.gauge{margin:24px 0 10px;display:flex;align-items:flex-end;gap:5px;height:90px}
.gauge .bar{flex:1;background:rgba(247,251,249,.12);border-radius:5px 5px 0 0;transition:.4s}
.gauge .bar.lit{background:linear-gradient(180deg,var(--aqua),var(--teal))}
.risk-level{font-weight:800;font-size:2.5rem;line-height:1;letter-spacing:-.02em;margin-top:8px}
.risk-count{color:rgba(247,251,249,.6);font-size:.92rem;margin-top:7px}
.risk-rec{margin:22px 0;padding:18px;background:rgba(247,251,249,.06);border-radius:11px;border-left:3px solid var(--aqua);font-size:.95rem;color:rgba(247,251,249,.85);line-height:1.55}
.risk-panel .btn{width:100%;justify-content:center}
.risk-panel .note{font-size:.78rem;color:rgba(247,251,249,.45);margin-top:14px;text-align:center}

/* faq (dark) */
.faq{background:var(--deep);color:var(--cream)}
.faq .sec-head h2{color:var(--cream)}
.acc{max-width:900px;border-top:1px solid rgba(247,251,249,.22)}
.acc-item{border-bottom:1px solid rgba(247,251,249,.22)}
.acc-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:26px 0;display:flex;justify-content:space-between;gap:18px;font-family:var(--sans);font-weight:700;font-size:1.22rem;letter-spacing:-.02em;color:var(--cream);transition:.3s}
.acc-q:hover{color:var(--aqua-soft)}.acc-q .pm{color:var(--aqua-soft);font-size:1.6rem;transition:.4s;flex:none;line-height:1;font-weight:400}
.acc-item.open .pm{transform:rotate(45deg)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .5s cubic-bezier(.4,0,.2,1)}
.acc-ai{padding:0 0 28px;color:rgba(247,251,249,.82);font-size:1rem;line-height:1.65}.acc-ai strong{color:var(--aqua-soft)}
.acc-ai .def{margin-top:12px;padding:14px 16px;background:rgba(247,251,249,.08);border-radius:9px;border-left:3px solid var(--aqua-soft);font-size:.93rem}
.faq .btn{margin-top:34px}

/* cta band */
.cta{background:var(--grad);color:#fff}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(1.9rem,3.8vw,2.8rem);max-width:640px;margin:0;letter-spacing:-.03em}
.cta p{color:rgba(255,255,255,.88);margin-top:12px;font-size:1.08rem;max-width:520px}

/* contact */
.contact{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px}
.contact h2{font-size:clamp(2.1rem,4.4vw,3rem);margin:0 0 20px;letter-spacing:-.03em}
.contact .intro{color:rgba(11,33,41,.7);font-size:1.07rem;margin-bottom:30px;max-width:420px;line-height:1.6}
.cinfo{display:flex;gap:16px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}
.cinfo .ic{width:46px;height:46px;background:var(--grad);border-radius:11px;display:grid;place-items:center;flex:none}
.cinfo .ic svg{width:20px;height:20px;color:var(--cream)}
.cinfo .k{font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(11,33,41,.5);font-weight:700}
.cinfo .v{font-weight:700;font-size:1.12rem;letter-spacing:-.01em;margin-top:2px}
.fc{background:var(--ink);color:var(--cream);border-radius:16px;padding:38px}
.fc h3{font-size:1.6rem;margin-bottom:8px;letter-spacing:-.02em}.fc .fs{color:rgba(247,251,249,.6);font-size:.95rem;margin-bottom:26px}
.field{margin-bottom:16px}
.field label{font-weight:600;font-size:.8rem;display:block;margin-bottom:8px;color:var(--aqua-soft)}
.field input,.field textarea{width:100%;padding:14px 16px;border:2px solid rgba(247,251,249,.2);border-radius:10px;font-family:var(--sans);font-size:1rem;background:rgba(247,251,249,.05);color:var(--cream);transition:.3s}
.field input::placeholder,.field textarea::placeholder{color:rgba(247,251,249,.4)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--aqua);background:rgba(247,251,249,.08)}
.field textarea{min-height:104px;resize:vertical}
.field.err input,.field.err textarea{border-color:#e8775a}.errm{color:#f0a48f;font-size:.78rem;margin-top:6px;display:none}.field.err .errm{display:block}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fc .btn{width:100%;justify-content:center;margin-top:8px}
.fsucc{display:none;text-align:center;padding:26px 8px}.fsucc.show{display:block}
.fsucc .ck2{width:62px;height:62px;border-radius:50%;background:rgba(63,191,160,.18);color:var(--aqua-soft);display:grid;place-items:center;margin:0 auto 18px}.fsucc .ck2 svg{width:30px;height:30px}.fsucc h3{margin-bottom:8px}.fsucc a{color:var(--aqua-soft);font-weight:600}.fsucc p{color:rgba(247,251,249,.7)}

/* footer */
footer{background:var(--ink);color:var(--cream);padding:64px 0 28px}
.fg{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:42px;border-bottom:1px solid rgba(247,251,249,.18)}
.fg .nm{font-weight:800;font-size:1.3rem;letter-spacing:-.02em}.fg p{color:rgba(247,251,249,.5);font-size:.94rem;margin-top:14px;max-width:290px;line-height:1.6}
.fg h4{font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:var(--aqua-soft);font-weight:700;margin-bottom:16px}
.fg a,.fg span{display:block;color:rgba(247,251,249,.7);font-size:.93rem;padding:5px 0}.fg a:hover{color:var(--cream)}
.fb{display:flex;justify-content:space-between;padding-top:24px;flex-wrap:wrap;gap:10px;color:rgba(247,251,249,.45);font-size:.84rem}

/* reveal + mobile nav */
.r{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}.r.in{opacity:1;transform:none}.s1{transition-delay:.1s}.s2{transition-delay:.2s}
.mob{position:fixed;inset:0;z-index:1000;background:var(--cream);transform:translateX(100%);transition:.5s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;padding:80px 32px 40px}.mob.open{transform:none}.mob a{font-weight:800;font-size:1.8rem;letter-spacing:-.02em;padding:16px 0;border-bottom:1px solid var(--line)}.mobx{position:absolute;top:24px;right:24px;background:none;border:none;font-size:2rem;cursor:pointer;color:var(--ink)}

@media(max-width:960px){
  .nl{display:none}.burger{display:flex}
  .hero-visual,.svc-wrap,.about-grid,.contact-grid,.risk-grid,.fg{grid-template-columns:1fr}
  .hv-img img{height:300px}.sector-grid,.cards-4{grid-template-columns:1fr}
  .risk-panel{position:static}.tl-detail{grid-template-columns:1fr}.tl-detail .big{font-size:3rem}
  .fg{grid-template-columns:1fr 1fr}.tl-node{min-width:84px}.tl-node .nlab{font-size:.72rem}
  .about-media .tall{grid-row:auto}.proc-panel{padding:34px 22px}
  .seg{width:100%;justify-content:space-between}.seg-btn{flex:1;padding:.72em .4em;font-size:.84rem}
}
@media(min-width:600px) and (max-width:960px){.cards-4{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.r{opacity:1;transform:none}}