/* Healthcare 3D consulting | kliniczny B2B, spec-sheet asymetryczny, IBM Plex */
:root{
  --bg:#ffffff; --paper:#eef3f8; --paper-2:#f6f9fc;
  --ink:#0f1b2d; --ink-soft:#46566a; --muted:#8693a3;
  --blue:#0b63e5; --blue-deep:#0a4fbf; --blue-soft:#e6effd; --cyan:#06b6c4;
  --line:#dbe4ee; --line-2:#eaf0f6;
  --r:8px; --r-sm:6px;
  --shadow:0 24px 60px -34px rgba(15,27,45,.35);
  --shadow-sm:0 10px 30px -18px rgba(15,27,45,.28);
  --maxw:1180px;
  --t:.26s cubic-bezier(.4,0,.2,1);
  --ff:"IBM Plex Sans",system-ui,-apple-system,sans-serif;
  --fm:"IBM Plex Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--ff);color:var(--ink);background:var(--bg);font-size:clamp(15px,.5vw + 14px,16.5px);line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:var(--ff);line-height:1.16;font-weight:600;letter-spacing:-.018em}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.55rem,3vw,2.3rem)}
h3{font-size:1.08rem;font-weight:600}
p{color:var(--ink-soft)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.shell{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,4vw,44px)}
.hl{color:var(--blue)}
.mono{font-family:var(--fm);font-weight:500;letter-spacing:.02em}
.skip-link{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:0}

/* Buttons (techniczne, prostokątne) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--ff);font-weight:600;font-size:.94rem;line-height:1;padding:.82em 1.5em;border-radius:var(--r-sm);border:1.5px solid transparent;cursor:pointer;transition:transform var(--t),background var(--t),color var(--t),border-color var(--t);text-align:center;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-sm{padding:.6em 1.1em;font-size:.85rem}
.btn-lg{padding:.95em 1.7em;font-size:1rem}
.btn-block{width:100%;padding:.95em}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow var(--t)}
.site-header.scrolled{box-shadow:0 1px 0 var(--line),0 10px 26px -20px rgba(15,27,45,.4)}
.nav-row{display:flex;align-items:center;gap:22px;padding-block:13px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{display:inline-flex}
.brand-name{font-weight:700;font-size:1.2rem;letter-spacing:-.02em;color:var(--ink)}
.brand-3d{color:var(--blue);margin-left:1px}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{font-size:.94rem;font-weight:500;color:var(--ink-soft);padding:.5em .85em;border-radius:var(--r-sm);transition:color var(--t),background var(--t)}
.nav a:hover{color:var(--blue);background:var(--blue-soft)}
.nav-cta{flex:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer;margin-left:auto}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;flex-direction:column;gap:2px;padding:8px clamp(18px,4vw,44px) 16px;background:#fff;border-bottom:1px solid var(--line)}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:.8em .6em;border-radius:var(--r-sm);font-weight:500;color:var(--ink)}
.mobile-nav a:hover{background:var(--blue-soft)}
.mobile-nav .btn-primary{color:#fff;margin-top:8px}

/* mono section index */
.mono-tag,.scope-label,.intro-label,.render-head .mono,.process-head .mono,.audience .mono,.contact-inner .mono{font-family:var(--fm);font-weight:500;font-size:.8rem;letter-spacing:.04em;color:var(--blue);text-transform:uppercase}

/* Hero asymetryczny */
.hero{padding:clamp(48px,7vw,90px) 0 clamp(40px,6vw,72px);border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--paper-2))}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,64px);align-items:center}
.hero h1{margin-top:18px}
.hero-lead{font-size:clamp(1.05rem,1.5vw,1.22rem);max-width:540px;margin-top:20px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.spec-chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.spec-chips li{font-family:var(--fm);font-size:.8rem;color:var(--ink-soft);background:#fff;border:1px solid var(--line);padding:.45em .9em;border-radius:999px}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--shadow);object-fit:cover;aspect-ratio:16/10;background:var(--paper)}
.visual-cap{position:absolute;bottom:12px;left:12px;font-size:.72rem;color:var(--ink-soft);background:rgba(255,255,255,.92);border:1px solid var(--line);padding:.35em .7em;border-radius:var(--r-sm)}

/* Sections */
.section{padding:clamp(54px,8vw,100px) 0}
.section.intro{border-bottom:1px solid var(--line-2)}

/* Usługi */
.intro-grid{display:grid;grid-template-columns:200px 1fr;gap:clamp(24px,4vw,56px)}
.intro-label{padding-top:6px}
.intro-body h2{margin-bottom:14px}
.intro-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.ic{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:#fff;transition:border-color var(--t),transform var(--t),box-shadow var(--t)}
.ic:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.ic-ico{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-sm);background:var(--blue-soft);color:var(--blue);margin-bottom:14px}
.ic-ico svg{width:24px;height:24px}
.ic h3{margin-bottom:6px}
.ic p{font-size:.94rem}

/* Zakres (spec-sheet) */
.scope{background:var(--paper)}
.scope-grid{display:grid;grid-template-columns:330px 1fr;gap:clamp(26px,4vw,60px);align-items:start}
.scope-aside{position:sticky;top:90px}
.scope-aside h2{margin:14px 0 12px}
.scope-aside p{font-size:.96rem}
.spec-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.spec-list li{display:grid;grid-template-columns:84px 1fr;gap:18px;padding:24px 4px;border-bottom:1px solid var(--line);align-items:baseline;transition:background var(--t)}
.spec-list li:hover{background:rgba(11,99,229,.03)}
.spec-idx{color:var(--cyan);font-size:.85rem;font-weight:600}
.spec-list h3{margin-bottom:5px}
.spec-list p{font-size:.95rem}

/* Renders */
.render-head{margin-bottom:clamp(26px,3.5vw,42px)}
.render-head h2{margin-top:10px}
.render-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.render{margin:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper)}
.render img{width:100%;object-fit:cover;aspect-ratio:4/3}
.render figcaption{font-size:.74rem;color:var(--ink-soft);padding:10px 14px;border-top:1px solid var(--line);background:#fff}

/* Proces */
.process{background:var(--ink);color:#e8eef6}
.process-head .mono{color:var(--cyan)}
.process-head h2{color:#fff;margin-top:10px}
.process-head{margin-bottom:clamp(26px,3.5vw,42px)}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.steps li{padding:26px 22px 26px 0;border-top:2px solid var(--cyan);position:relative}
.steps li+li{padding-left:24px;border-left:1px solid rgba(255,255,255,.12)}
.step-no{display:block;font-size:.85rem;color:var(--cyan);margin-bottom:14px}
.steps h3{color:#fff;margin-bottom:7px}
.steps p{color:#aebccd;font-size:.93rem}

/* Dla kogo */
.audience-inner{max-width:780px}
.audience-inner h2{margin:12px 0 14px}
.audience-inner p{font-size:1.08rem}

/* Kontakt */
.contact{background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,60px);align-items:start}
.contact-intro h2{margin:12px 0 14px}
.contact-details{list-style:none;padding:0;margin-top:26px;display:grid;gap:16px}
.contact-details li{display:grid;grid-template-columns:70px 1fr;align-items:baseline;gap:14px;border-top:1px solid var(--line);padding-top:14px}
.cd-label{font-size:.76rem;color:var(--muted);text-transform:uppercase}
.contact-details a{font-weight:600;font-size:1.1rem;color:var(--ink);width:fit-content}
.contact-details a:hover{color:var(--blue)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3.5vw,36px);box-shadow:var(--shadow-sm);display:grid;gap:14px}
.field{display:grid;gap:6px}
.field label{font-weight:500;font-size:.88rem;color:var(--ink)}
.field input,.field textarea{font-family:var(--ff);font-size:1rem;color:var(--ink);background:var(--paper-2);border:1.5px solid var(--line);border-radius:var(--r-sm);padding:.78em 1em;transition:border-color var(--t),background var(--t);width:100%;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#dc3545}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-status{font-size:.9rem;font-weight:500;min-height:1.2em}
.form-status.ok{color:#0b9d6b}.form-status.err{color:#dc3545}

.render-intro{margin-top:12px;max-width:560px;color:var(--ink-soft)}
.contact-inner{max-width:680px;margin-inline:auto;text-align:center}
.contact-inner h2{margin:12px 0 14px}
.contact-inner>p{margin-inline:auto;max-width:48ch}
.contact-inner .contact-details{max-width:340px;margin:30px auto 0;text-align:left}

/* Footer */
.site-footer{background:var(--ink);color:#aebccd}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-block:clamp(40px,5vw,58px)}
.footer-brand .brand-name{color:#fff;font-size:1.2rem}
.footer-brand .brand-3d{color:var(--cyan)}
.footer-brand p{margin-top:12px;max-width:40ch;font-size:.94rem;color:#90a0b3}
.footer-contact{display:flex;flex-direction:column;gap:8px}
.footer-contact a{color:#cdd8e4;font-weight:500}
.footer-contact a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:20px}
.footer-bottom p{font-size:.84rem;color:#7c8a9c}

/* Reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.ready .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}.reveal{opacity:1;transform:none}}

/* Responsive */
@media (max-width:880px){
  .nav,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero-grid,.intro-grid,.scope-grid,.render-grid,.contact-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .scope-aside{position:static}
  .intro-cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .steps li+li{padding-left:0;border-left:none}
  .steps li:nth-child(n+2){padding-left:0}
  .steps li:nth-child(even){padding-left:24px;border-left:1px solid rgba(255,255,255,.12)}
}
@media (max-width:520px){
  .intro-cards,.steps{grid-template-columns:1fr}
  .steps li{padding-left:0!important;border-left:none!important}
  .spec-list li{grid-template-columns:1fr;gap:6px}
  .footer-inner{flex-direction:column}
}