/* ArtDo — Pakiet 3. Ten plik zastępuje css/style.css z poprzedniego pakietu. */
:root{--green:#163a29;--green-2:#2d6c46;--lime:#bfdc68;--cream:#f7f5ee;--white:#fff;--ink:#15231b;--muted:#607066;--line:#dce4da;--shadow:0 18px 48px rgba(15,52,33,.11);--radius:3px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,Arial,sans-serif;line-height:1.6}
body.menu-open{overflow:hidden}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:Georgia,'Times New Roman',serif;line-height:1.1}
h1{font-size:clamp(2.7rem,6vw,5.3rem);letter-spacing:-.05em;margin-bottom:26px}
h2{font-size:clamp(2.05rem,4vw,3.4rem);letter-spacing:-.04em;margin-bottom:20px}
h3{font-size:1.36rem}
.container{width:min(1140px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,245,238,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,228,217,.8)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{color:var(--green);font:700 2rem Georgia,serif;letter-spacing:-.08em;text-decoration:none}
.brand span{color:#8faf3f}
.brand-logo{display:block;mix-blend-mode:multiply}
.site-header .brand-logo{width:148px;height:70px;object-fit:cover;object-position:center 43%}
.brand-logo-footer{width:126px;height:126px;object-fit:contain}
.site-footer .brand{display:inline-block}
.nav-links{display:flex;align-items:center;gap:24px}
.language-switcher{display:flex;gap:3px;margin-left:auto;padding:3px;border:1px solid var(--line);background:#fff}
.language-switcher button{border:0;background:transparent;color:var(--green);padding:4px 6px;font-size:.7rem;font-weight:900;letter-spacing:.05em;cursor:pointer}
.language-switcher button.active,.language-switcher button:hover{background:var(--green);color:#fff}
.nav-links a{color:var(--ink);font-size:.9rem;font-weight:800;text-decoration:none;white-space:nowrap}
.nav-links a:not(.button):after{content:'';display:block;height:2px;background:var(--green-2);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav-links a:not(.button):hover:after,.nav-links a.active:after{transform:scaleX(1)}
.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 21px;border:1px solid var(--green);border-radius:var(--radius);background:var(--green);color:#fff!important;font-weight:800;text-decoration:none;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
.button:hover{background:var(--green-2);box-shadow:0 8px 20px rgba(20,54,36,.2);transform:translateY(-2px)}
.button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #accb56;outline-offset:3px}
.menu-toggle{display:none;color:var(--green);border:0;background:transparent;font-size:1.7rem;cursor:pointer}
.hero{position:relative;overflow:hidden;padding:104px 0 86px;background:radial-gradient(circle at 88% 15%,#dcebb2 0,transparent 24%),var(--cream)}
.hero:after{content:'';position:absolute;width:450px;height:450px;right:-270px;bottom:-250px;border:54px solid rgba(191,220,104,.23);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:end;gap:60px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:15px;color:var(--green-2);font-size:.73rem;font-weight:900;letter-spacing:.15em;text-transform:uppercase}
.eyebrow:before{content:'';width:8px;height:8px;background:var(--lime);border-radius:50%}
.lead{max-width:650px;color:#415248;font-size:1.17rem}
.hero-card{position:relative;overflow:hidden;padding:38px;background:var(--green);box-shadow:var(--shadow);color:#fff}
.hero-card:after{content:'ArtDo';position:absolute;right:16px;bottom:-24px;color:rgba(255,255,255,.08);font:5.8rem Georgia,serif;letter-spacing:-.1em}
.hero-card p{position:relative;z-index:1;margin:0;color:#e4eee4;font-size:1.08rem}
.section{padding:90px 0}
.section.white{background:var(--white)}
.section.green{background:var(--green);color:#fff}
.section.green a{color:#fff}
.section-intro{max-width:700px;margin-bottom:48px}
.section-intro p,.card p{color:var(--muted)}
.green .section-intro p{color:#d6e3d9}
.grid-2,.grid-3{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{min-height:220px;padding:31px;background:#fff;border:1px solid var(--line);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.number{color:#8cae3e;font-size:.75rem;font-weight:900;letter-spacing:.13em}
.tick-list{padding:0;margin:0;list-style:none}
.tick-list li{position:relative;padding:13px 0 13px 30px;border-bottom:1px solid var(--line)}
.tick-list li:before{content:'✓';position:absolute;left:0;color:var(--green-2);font-weight:900}
.green .tick-list li{border-color:rgba(255,255,255,.17)}
.green .tick-list li:before{color:var(--lime)}
.quote{max-width:960px;padding:58px;background:#e4edd1;color:var(--green);font:clamp(1.65rem,3vw,2.5rem)/1.25 Georgia,serif}
.quote small{display:block;margin-top:22px;font:800 .76rem Inter,Arial,sans-serif;letter-spacing:.12em;text-transform:uppercase}
.cta{padding:68px 0;background:#a9c65a}
.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{max-width:720px;margin:0}
.contact{display:grid;grid-template-columns:.8fr 1.2fr;gap:62px}
.contact-item{padding:20px 0;border-bottom:1px solid var(--line)}
.contact-item strong{display:block;color:var(--green);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.notice{margin-top:28px;padding:15px 18px;border-left:4px solid var(--lime);background:#f0f4e6;color:#415248}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
form{display:grid;gap:17px}
label{color:var(--green);font-size:.83rem;font-weight:800}
input,select,textarea{display:block;width:100%;margin-top:7px;padding:13px;border:1px solid #cbd4ca;background:#fff;color:var(--ink);font:inherit;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{border-color:var(--green-2);box-shadow:0 0 0 3px rgba(191,220,104,.35);outline:none}
textarea{min-height:150px;resize:vertical}
.form-note{font-size:.78rem;color:var(--muted);font-weight:400}
.form-note input{display:inline-block;width:auto;margin:0 6px 0 0}
.success{display:none;padding:15px;background:#e0f0be;color:var(--green);font-weight:800}
.success.error{background:#f8dfd8;color:#7c2418}
.website-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.site-footer{padding:55px 0 25px;background:#10291d;color:#d4e1d5}
.site-footer .brand{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px;padding-bottom:38px}
.site-footer h3{font:800 .78rem Inter,Arial,sans-serif;color:var(--lime);letter-spacing:.11em;text-transform:uppercase}
.site-footer a:not(.brand){display:block;margin:8px 0;color:#d4e1d5;text-decoration:none}
.site-footer a:not(.brand):hover{color:#fff}
.copyright{padding-top:22px;border-top:1px solid rgba(255,255,255,.13);color:#a8baaa;font-size:.8rem}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}
.reveal{opacity:1;transform:none}
}
@media(max-width:800px){.nav{height:70px}
.language-switcher{margin-left:auto;margin-right:8px}
.menu-toggle{display:block}
.nav-links{display:none;position:absolute;top:70px;right:0;left:0;min-height:calc(100vh - 70px);padding:32px 25px;background:#fff;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:23px}
.nav-links.open{display:flex}
.nav-links a{font-size:1rem}
.nav-links .button{margin-top:8px}
.hero{padding:68px 0}
.hero-grid,.contact{grid-template-columns:1fr;gap:34px}
.grid-2,.grid-3{grid-template-columns:1fr}
.section{padding:64px 0}
.cta-wrap{display:block}
.cta .button{margin-top:23px}
.footer-grid{grid-template-columns:1fr 1fr}
.form-row{grid-template-columns:1fr}
}
@media(max-width:480px){.container{width:min(100% - 28px,1140px)}
.hero-card,.quote{padding:28px}
.footer-grid{grid-template-columns:1fr}
}