/* ===========================================================
   Hydraulik Olsztyn — wspólny arkusz stylów
   Wzorowany na konwencjach z pruszynski.it (zmienne CSS, mono
   font do danych, wersjonowanie przez ?v= przy podbiciu pliku)
   =========================================================== */

:root{
  --graphite:#1B2430;
  --graphite-soft:#2A3644;
  --paper:#F4F2EC;
  --paper-dim:#E7E3D9;
  --copper:#B5651D;
  --copper-light:#D98B4A;
  --steel:#3D5A80;
  --ink:#1B2430;
  --line:rgba(27,36,48,0.12);
  --text-body:#4A5568;
}

*{box-sizing:border-box; margin:0; padding:0;}

body{
  font-family:'Inter', sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{font-family:'Space Grotesk', sans-serif; letter-spacing:-0.01em;}
.mono{font-family:'IBM Plex Mono', monospace;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--copper); color:#fff;
  padding:10px 16px; z-index:100;
}
.skip-link:focus{left:12px; top:12px;}

/* ---- topbar / nav ---- */
.topbar{
  position:sticky; top:0; z-index:50;
  background:var(--paper); border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 20px;
}
.brand{font-family:'Space Grotesk'; font-weight:700; font-size:17px;}
.brand span{color:var(--copper);}
nav.main-nav{display:none; gap:24px; font-size:14px; font-weight:600;}
nav.main-nav a{padding:6px 0; border-bottom:2px solid transparent;}
nav.main-nav a[aria-current="page"],
nav.main-nav a:hover{border-color:var(--copper);}
.nav-actions{display:flex; align-items:center; gap:10px;}
.call-btn{
  background:var(--copper); color:#fff; font-weight:600; font-size:14px;
  padding:10px 16px; border-radius:6px; display:flex; align-items:center; gap:8px; white-space:nowrap;
}
.menu-toggle{
  background:none; border:1px solid var(--line); border-radius:6px; padding:8px 10px; font-size:16px;
}

/* mobile nav drawer */
#mobile-nav{
  display:none; flex-direction:column; gap:2px; background:var(--paper);
  border-bottom:1px solid var(--line); padding:8px 20px 16px;
}
#mobile-nav.open{display:flex;}
#mobile-nav a{padding:10px 4px; font-weight:600; font-size:15px; border-bottom:1px solid var(--line);}

/* ---- page hero (smaller, for subpages) ---- */
.page-hero{
  background:var(--graphite); color:var(--paper); padding:44px 20px; position:relative; overflow:hidden;
}
.page-hero::before{
  content:""; position:absolute; inset:0; opacity:0.08;
  background-image:
    linear-gradient(var(--paper) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper) 1px, transparent 1px);
  background-size:36px 36px;
}
.page-hero-inner{position:relative; max-width:640px;}
.eyebrow{
  font-family:'IBM Plex Mono'; font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--copper-light); margin-bottom:14px; display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:""; width:20px; height:1px; background:var(--copper-light); display:inline-block;}
.page-hero h1{font-size:30px; line-height:1.15; font-weight:700;}
.page-hero p{color:rgba(244,242,236,0.75); margin-top:10px; max-width:480px; font-size:15px;}

/* ---- hero (home, large) ---- */
.hero{
  position:relative; overflow:hidden;
  background:var(--graphite); color:var(--paper);
  padding:64px 20px 56px;
}
.hero::before{
  content:""; position:absolute; inset:0; opacity:0.08;
  background-image:
    linear-gradient(var(--paper) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper) 1px, transparent 1px);
  background-size:36px 36px;
}
.hero-inner{position:relative; max-width:640px;}
.hero h1{font-size:38px; line-height:1.12; font-weight:700; margin-bottom:18px;}
.hero p.lead{font-size:16px; color:rgba(244,242,236,0.75); margin-bottom:28px; max-width:480px;}
.hero-ctas{display:flex; flex-wrap:wrap; gap:12px; margin-bottom:36px;}
.btn-primary{
  background:var(--copper); color:#fff; font-weight:600; font-size:15px;
  padding:14px 22px; border-radius:6px; display:inline-flex; align-items:center; gap:8px; border:none; cursor:pointer;
}
.btn-ghost{
  border:1px solid rgba(244,242,236,0.3); color:var(--paper); font-weight:600; font-size:15px;
  padding:14px 22px; border-radius:6px;
}
.hero-stats{display:flex; gap:28px; padding-top:24px; border-top:1px solid rgba(244,242,236,0.15); flex-wrap:wrap;}
.stat-num{font-family:'IBM Plex Mono'; font-size:22px; font-weight:600; color:var(--copper-light);}
.stat-label{font-size:12px; color:rgba(244,242,236,0.6); margin-top:2px;}

/* ---- sections generic ---- */
section{padding:56px 20px; max-width:1000px; margin:0 auto;}
.section-head{margin-bottom:36px; max-width:560px;}
.section-tag{font-family:'IBM Plex Mono'; font-size:12px; text-transform:uppercase; letter-spacing:0.08em; color:var(--copper); margin-bottom:10px;}
.section-head h2{font-size:26px; font-weight:700;}
.section-head p{color:var(--text-body); margin-top:10px; font-size:15px;}

/* ---- pipeline services ---- */
.pipeline{position:relative;}
.pipe-line{
  position:absolute; left:23px; top:14px; bottom:14px; width:2px;
  background:repeating-linear-gradient(to bottom, var(--copper) 0, var(--copper) 6px, transparent 6px, transparent 12px);
}
.service-row{position:relative; padding-left:64px; padding-bottom:36px;}
.service-row:last-child{padding-bottom:0;}
.node{
  position:absolute; left:0; top:0; width:48px; height:48px; border-radius:50%;
  background:var(--paper); border:2px solid var(--copper); display:flex; align-items:center; justify-content:center;
  font-family:'IBM Plex Mono'; font-weight:600; color:var(--copper); font-size:14px;
}
.service-row h3{font-size:18px; font-weight:700; margin-bottom:6px;}
.service-row .tags{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;}
.tag{
  font-size:12px; background:var(--paper-dim); border:1px solid var(--line);
  padding:5px 10px; border-radius:100px; color:var(--graphite-soft);
}
.service-row p{color:var(--text-body); font-size:14.5px; max-width:520px;}

/* ---- gallery ---- */
.gallery-section{background:var(--graphite-soft); padding:56px 20px; max-width:none;}
.gallery-section .section-head h2,
.gallery-section .section-tag{color:var(--paper);}
.gallery-section .section-head p{color:rgba(244,242,236,0.7);}
.gallery-section .inner{max-width:1000px; margin:0 auto;}
.grid{display:grid; grid-template-columns:repeat(2,1fr); gap:10px;}
.grid .ph{
  aspect-ratio:4/3; border-radius:8px; position:relative; overflow:hidden;
  background:linear-gradient(135deg, var(--steel), var(--graphite));
  display:flex; align-items:flex-end; padding:12px;
}
.grid .ph.copper{background:linear-gradient(135deg, var(--copper), var(--graphite));}
.grid .ph span{
  color:#fff; font-size:12px; font-family:'IBM Plex Mono'; opacity:0.9;
  background:rgba(0,0,0,0.35); padding:4px 8px; border-radius:4px;
}
/* TODO klient: podmienić .ph na prawdziwe zdjęcia realizacji (<img>) */

/* ---- testimonials ---- */
.t-grid{display:grid; grid-template-columns:1fr; gap:14px;}
.t-card{background:#fff; border:1px solid var(--line); border-radius:10px; padding:22px;}
.stars{color:var(--copper); font-size:14px; margin-bottom:10px; letter-spacing:2px;}
.t-card p{font-size:14.5px; color:var(--graphite-soft); margin-bottom:14px;}
.t-name{font-size:13px; font-weight:600; font-family:'IBM Plex Mono'; color:var(--graphite);}

/* ---- cta strip ---- */
.cta-strip{background:var(--copper); padding:44px 20px; text-align:center; max-width:none;}
.cta-strip h2{color:#fff; font-size:22px; margin-bottom:8px;}
.cta-strip p{color:rgba(255,255,255,0.85); font-size:14px; margin-bottom:20px;}
.cta-strip .btn-primary{background:var(--graphite);}

/* ---- contact form ---- */
.contact-grid{display:grid; grid-template-columns:1fr; gap:32px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block; font-size:13px; font-weight:600; margin-bottom:6px;}
.form-field input, .form-field textarea{
  width:100%; padding:12px; border:1px solid var(--line); border-radius:6px; font-family:inherit; font-size:14px;
  background:#fff;
}
.form-field textarea{min-height:120px; resize:vertical;}
.rodo{display:flex; align-items:flex-start; gap:10px; font-size:12.5px; color:var(--text-body); margin-bottom:18px;}
.rodo input{margin-top:3px;}
.info-card{background:var(--paper-dim); border-radius:10px; padding:20px;}
.info-card h3{font-size:15px; margin-bottom:12px;}
.info-card .row{display:flex; gap:10px; font-size:14px; margin-bottom:10px;}
.info-card .row strong{font-family:'IBM Plex Mono'; font-weight:600; min-width:70px; color:var(--copper);}

/* ---- footer ---- */
footer{background:var(--graphite); color:rgba(244,242,236,0.6); padding:36px 20px; font-size:13px; max-width:none;}
footer .cols{display:flex; flex-direction:column; gap:18px; max-width:1000px; margin:0 auto;}
footer strong{color:var(--paper); display:block; margin-bottom:4px; font-family:'Space Grotesk';}

@media(min-width:820px){
  nav.main-nav{display:flex;}
  .menu-toggle{display:none;}
  .hero h1{font-size:48px;}
  .grid{grid-template-columns:repeat(4,1fr);}
  .t-grid{grid-template-columns:repeat(3,1fr);}
  footer .cols{flex-direction:row; justify-content:space-between;}
  .contact-grid{grid-template-columns:1.3fr 1fr;}
}