/* ARGO PL Sp. z o.o. — harbour blue, chalk and seafoam. Geometric headings (Sora), humanist body (Public Sans). */
:root{--chalk:#f6f8f9;--harbour:#0c2740;--cobalt:#2b63b8;--cobalt-d:#1f4e98;--foam:#d6eae6;--sky:#a9c6ea;--slate:#46586b;--line:#c9d5de;--head:"Sora",system-ui,sans-serif;--body:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--pad:clamp(20px,4vw,56px)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body,h1,h2,h3,p,ul,ol,dl,dd,address{margin:0}
ul,ol{padding:0;list-style:none}
body{font:400 1.0625rem/1.65 var(--body);color:var(--harbour);background:var(--chalk);-webkit-font-smoothing:antialiased}
svg{display:block}a{color:inherit}address{font-style:normal}
h1,h2,h3{font-family:var(--head);line-height:1.15;letter-spacing:-.015em}
h2{font-size:clamp(1.8rem,3.4vw,2.9rem);font-weight:600}
h3{font-size:1.15rem;font-weight:600}
.wrap{width:100%;max-width:1360px;margin:0 auto;padding-inline:var(--pad)}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--harbour);color:#fff;padding:10px 16px;border-radius:8px}.skip:focus{left:8px}

/* Buttons */
.btn{display:inline-block;padding:15px 26px;border-radius:10px;background:var(--cobalt);color:#fff;border:1px solid var(--cobalt);font:600 .98rem var(--body);text-decoration:none;cursor:pointer;transition:background .25s,color .25s,transform .25s}
.btn:hover{background:var(--cobalt-d);border-color:var(--cobalt-d);transform:translateY(-2px)}
.btn-sm{padding:11px 20px}
.btn-light{background:#fff;border-color:#fff;color:var(--harbour)}.btn-light:hover{background:var(--foam);border-color:var(--foam)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}.btn-line:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--chalk);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 8px 28px -16px rgba(12,39,64,.4)}
.bar{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:inline-flex;align-items:center;gap:12px;font:700 1.3rem var(--head);letter-spacing:.02em;text-decoration:none}
.brand svg{width:34px;height:34px;color:var(--cobalt)}
.nav{display:flex;align-items:center;gap:30px;font-size:.96rem}
.nav a:not(.btn){text-decoration:none;padding:6px 0;background:linear-gradient(var(--cobalt),var(--cobalt)) 0 100%/0 2px no-repeat;transition:background-size .3s}
.nav a:not(.btn):hover{background-size:100% 2px}
.toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.toggle span{width:20px;height:2px;background:var(--harbour);transition:transform .25s,opacity .25s}
.toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.toggle[aria-expanded=true] span:nth-child(2){opacity:0}
.toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--harbour);color:#fff;border-radius:0 0 48px 48px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(32px,6vw,96px);align-items:center;padding-block:clamp(56px,8vw,112px) clamp(120px,13vw,180px);position:relative;z-index:1}
.kicker{display:inline-block;margin-bottom:22px;padding:7px 16px;border:1px solid rgba(169,198,234,.5);border-radius:99px;color:var(--sky);font-size:.92rem}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.6rem);font-weight:700;max-width:15ch}
.lead{margin:26px 0 36px;max-width:58ch;font-size:1.15rem;color:#cbd9e7}
.actions{display:flex;flex-wrap:wrap;gap:14px}
.pulse{position:absolute;left:0;bottom:36px;width:100%;height:110px;opacity:.55}
.hero-copy>*{animation:rise .8s both}.hero-copy>:nth-child(2){animation-delay:.1s}.hero-copy>:nth-child(3){animation-delay:.2s}.hero-copy>:nth-child(4){animation-delay:.3s}
.slip{background:#fff;color:var(--harbour);border-radius:28px;padding:clamp(26px,3vw,40px);animation:rise .9s .35s both}
.slip h2{font-size:1.45rem;margin-bottom:20px}
.slip dl{display:grid;gap:18px;margin-bottom:26px}
.slip dt,.facts dt,.contact-info dt{font-size:.85rem;color:var(--slate)}
.slip dd{font-weight:600}.slip a:not(.btn){color:var(--cobalt-d)}
@keyframes rise{from{opacity:0;transform:translateY(18px)}}

/* Facts */
.facts{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);margin-top:-52px;background:#fff;border-radius:20px;box-shadow:0 22px 44px -26px rgba(12,39,64,.45)}
.facts>div{padding:26px 30px}.facts>div+div{border-left:1px solid var(--line)}
.facts dd{margin-top:4px;font:600 1.02rem/1.4 var(--head)}

/* Sections */
.sec{padding-block:clamp(72px,9vw,132px)}
.sec-white{background:#fff}.sec-foam{background:var(--foam)}
.sec-head{max-width:780px;margin-bottom:48px}.sec-head p{margin-top:18px;color:var(--slate)}
.reveal{transition:opacity .7s,transform .7s}
.js .reveal:not(.in){opacity:0;transform:translateY(14px)}

/* About */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,7vw,110px);align-items:start}
.about-head{position:sticky;top:110px}
.about-art{margin-top:36px;min-height:300px;border-radius:200px 200px 28px 28px;padding:150px 32px 32px;background:radial-gradient(circle at 50% 32%,#fff 0 56px,transparent 57px),radial-gradient(circle at 50% 32%,var(--sky) 0 92px,transparent 93px),var(--foam);color:var(--harbour);font-weight:600}
.about-body p{margin-bottom:18px;max-width:68ch;color:var(--slate)}
.about-body .big{font:500 clamp(1.3rem,2.2vw,1.75rem)/1.4 var(--head);color:var(--harbour);margin-bottom:28px}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px}
.principles li{padding-left:18px;border-left:4px solid var(--cobalt)}
.principles p{margin:8px 0 0;font-size:.97rem}
.steps-title{margin:clamp(64px,8vw,110px) 0 36px;font-size:clamp(1.6rem,2.8vw,2.3rem)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:s}
.steps li{position:relative;padding-top:64px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;top:0;left:0;z-index:1;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--harbour);color:#fff;font:600 1rem var(--head)}
.steps li::after{content:"";position:absolute;top:21px;left:44px;right:-28px;height:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps p{margin-top:6px;color:var(--slate);font-size:.98rem}

/* Services */
.svc{display:grid;grid-template-columns:340px 1fr;gap:28px;align-items:start}
.tabs{display:grid;gap:6px}
.tabs button{padding:18px 22px;border:0;border-radius:14px;background:transparent;color:var(--harbour);font:600 1rem var(--head);text-align:left;cursor:pointer;transition:background .25s,color .25s}
.tabs button:hover{background:var(--foam)}
.tabs button[aria-selected=true]{background:var(--harbour);color:#fff}
.panels article{background:var(--chalk);border-radius:28px;padding:clamp(28px,4vw,52px);min-height:360px}
.panels article:not([hidden]){animation:rise .45s both}
.panels h3{font-size:clamp(1.5rem,2.4vw,2rem)}
.panels p{margin:16px 0 26px;max-width:62ch;color:var(--slate);font-size:1.1rem}
.panels li{position:relative;padding:12px 0 12px 34px;border-top:1px solid var(--line);font-weight:600}
.panels li::before{content:"";position:absolute;left:4px;top:19px;width:14px;height:7px;border-left:3px solid var(--cobalt);border-bottom:3px solid var(--cobalt);transform:rotate(-45deg)}

/* Why */
.why-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,7vw,110px);align-items:start}
.why-head{position:sticky;top:110px}.why-head>p{margin:18px 0 32px;color:var(--slate);max-width:52ch}
.promise{padding:32px;border-radius:28px 28px 28px 6px;background:var(--cobalt);color:#fff}
.promise p{margin-top:10px;font-size:1.08rem}
.benefits{display:grid;gap:34px}
.benefits li{position:relative;padding-left:76px}
.benefits li::before{content:"";position:absolute;left:0;top:2px;width:48px;height:48px;border-radius:50%;background:var(--harbour)}
.benefits li::after{content:"";position:absolute;left:15px;top:19px;width:18px;height:9px;border-left:3px solid #fff;border-bottom:3px solid #fff;transform:rotate(-45deg)}
.benefits h3{font-size:1.3rem}.benefits p{margin-top:6px;color:#2f4357;max-width:56ch}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,72px);align-items:start}
.contact-info>p{margin:18px 0 32px;color:var(--slate);max-width:52ch}
.contact-info dl{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:30px;border-radius:28px;background:var(--foam)}
.contact-info dd{font-weight:600}.contact-info a{color:var(--cobalt-d)}
.note{margin-top:24px;font-size:.93rem;color:var(--slate)}
.form{padding:clamp(26px,4vw,48px);background:#fff;border:1px solid var(--line);border-radius:28px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:20px}
label{display:block;margin-bottom:6px;font-weight:600;font-size:.95rem}
input:not([type=checkbox]),select,textarea{width:100%;padding:13px 14px;border:1px solid #9fb0bf;border-radius:10px;background:#fff;color:var(--harbour);font:inherit}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--cobalt);border-color:var(--cobalt)}
[aria-invalid=true]{border-color:#b3261e!important}
.check label{display:flex;gap:10px;font-weight:400;font-size:.93rem}.check input{margin-top:5px;flex:none}
.err{display:block;min-height:1.1em;margin-top:4px;font-size:.88rem;color:#b3261e}
.status{margin-top:16px;font-weight:600;color:var(--cobalt-d)}

/* Footer */
.site-footer{background:var(--harbour);color:#c3d2e1;padding-top:64px;font-size:.97rem}
.site-footer .brand{color:#fff}.site-footer .brand svg{color:var(--sky)}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:40px}
.foot-grid p{margin-top:14px}
.foot-grid nav{display:grid;gap:8px;align-content:start}
.site-footer a{text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.legal{margin-top:48px;padding-block:24px;border-top:1px solid rgba(255,255,255,.15);font-size:.88rem}

/* Responsive */
@media (max-width:1000px){
  .hero-grid,.about-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .about-head,.why-head{position:static}
  .facts{grid-template-columns:1fr 1fr}.facts>div:nth-child(3){border-left:0}.facts>div:nth-child(n+3){border-top:1px solid var(--line)}
  .steps{grid-template-columns:1fr 1fr;row-gap:36px}.steps li:nth-child(2)::after{display:none}
  .svc{grid-template-columns:1fr}
  .tabs{display:flex;overflow-x:auto;gap:8px;padding-bottom:6px}.tabs button{white-space:nowrap;background:var(--chalk)}
  .panels article{min-height:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .toggle{display:flex}
  .nav{position:absolute;top:78px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--pad) 24px;background:var(--chalk);box-shadow:0 20px 30px -20px rgba(12,39,64,.45);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}.nav .btn{margin-top:16px;text-align:center}
}
@media (max-width:640px){
  .facts,.principles,.steps,.row,.contact-info dl,.foot-grid{grid-template-columns:1fr}
  .facts>div+div{border-left:0;border-top:1px solid var(--line)}
  .steps li::after{display:none}
  .hero{border-radius:0 0 32px 32px}
  .actions .btn{flex:1 1 100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal:not(.in){opacity:1;transform:none}
}