:root{--ink:#0d2b33;--teal:#0f6e73;--aqua:#35c4b3;--mist:#eaf4f3;--line:#d3e3e1;--white:#fff;--r:10px}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:'Manrope',system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;margin-bottom:12px}
h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}

.top{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:14px 24px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.logo{text-decoration:none;font-weight:800;font-size:1.3rem;color:var(--teal)}
.logo span{font-weight:500;color:var(--ink);margin-left:6px}
nav{display:flex;align-items:center;gap:24px}
nav a{text-decoration:none;font-weight:500}
nav a:hover{color:var(--teal)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.burger i{display:block;height:2px;background:var(--ink);margin:7px 8px}

.btn{display:inline-block;background:var(--aqua);color:var(--ink);font:700 1rem 'Manrope',sans-serif;padding:14px 26px;border-radius:var(--r);border:0;text-decoration:none;cursor:pointer;transition:background .2s}
.btn:hover{background:#27b09f}
.btn.small{padding:9px 18px}
.btn.ghost{background:transparent;border:2px solid var(--teal);color:var(--teal);margin-top:16px}
.btn.ghost:hover{background:var(--teal);color:#fff}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px}

.hero{background:var(--mist);padding:80px 0}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.lead{font-size:1.15rem;margin:20px 0 28px;max-width:52ch}
.cta-row{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.link{font-weight:700;color:var(--teal)}
.note{margin-top:24px;font-size:.9rem;color:#4b6870}

.report{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 20px 40px -24px rgba(13,43,51,.35);animation:rise .8s ease both}
@keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.report-head{display:flex;flex-direction:column;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:12px}
.report-head span{font-size:.9rem;color:#4b6870}
.report ul{list-style:none;padding:0}
.report li{padding:8px 0 8px 28px;position:relative;font-size:.95rem}
.report li::before{content:"";position:absolute;left:0;top:14px;width:14px;height:8px;border-left:3px solid var(--teal);border-bottom:3px solid var(--teal);transform:rotate(-45deg)}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}
.ba div{height:90px;border-radius:8px;display:flex;align-items:flex-end;padding:8px;font-size:.8rem;font-weight:700;color:#fff}
.ba div:first-child{background:linear-gradient(135deg,#6b6f68,#8d8a7e)}
.ba div:last-child{background:linear-gradient(135deg,var(--teal),var(--aqua))}
.report p{font-size:.85rem;color:#4b6870}

.section{padding:88px 0}
.sub{max-width:60ch;margin-bottom:40px}
.groups{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px}
.group{padding:28px 0;border-top:2px solid var(--ink)}
.group h3{font-size:1.25rem;margin-bottom:14px}
.group ul{list-style:none;padding:0}
.group li{padding:9px 0;border-bottom:1px solid var(--line)}
.group li:last-child{border-bottom:0}

.dark{background:var(--ink);color:#fff}
.dark h2{margin-bottom:36px}
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:s}
.steps li{counter-increment:s;padding-top:18px;border-top:3px solid var(--aqua)}
.steps li::before{content:counter(s);display:block;font-weight:800;font-size:1.6rem;color:var(--aqua);margin-bottom:6px}
.steps p{color:#c4d8db;font-size:.95rem}
.eco{margin-top:44px;padding-top:24px;border-top:1px solid #2c4a52;color:#c4d8db;max-width:70ch}

.two{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.tint{background:var(--mist)}
.contact-list{list-style:none;padding:0;margin-top:24px}
.contact-list li{padding:4px 0}
form{display:grid;gap:16px}
label{display:grid;gap:6px;font-weight:700;font-size:.9rem}
input,select,textarea{font:400 1rem 'Manrope',sans-serif;padding:12px 14px;border:1px solid #b9cfcd;border-radius:8px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:3px solid var(--aqua);border-color:var(--teal)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-9999px}
#status{font-weight:700;min-height:1.5em}
#status.ok{color:var(--teal)}
#status.err{color:#b3261e}

footer{background:var(--ink);color:#c4d8db;padding:32px 0;font-size:.9rem}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot strong{color:#fff}

@media(max-width:860px){
  .hero-grid,.two,.groups{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .burger{display:block}
  nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:16px;padding:20px 24px;background:#fff;border-bottom:1px solid var(--line)}
  nav.open{display:flex}
  .section{padding:64px 0}
  .hero{padding:56px 0}
}
@media(max-width:520px){.steps,.row{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.report{animation:none}html{scroll-behavior:auto}}