/* ==========================================================================
   IT-TS — Chmielowiec Tomasz Marian — style.css
   Motyw: sieć / sygnał / infrastruktura teleinformatyczna
   ========================================================================== */

:root{
  --navy:#0E1A2B;
  --navy-2:#152540;
  --navy-3:#1C3050;
  --accent:#2FD6C4;
  --accent-dim:#1FA593;
  --amber:#FFB347;
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --ink:#101828;
  --muted:#5B6472;
  --border:#E3E7ED;
  --radius:16px;
  --maxw:1180px;
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --shadow:0 10px 30px -12px rgba(14,26,43,0.18);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-.01em;
}
p{margin:0 0 1em;}
ul{margin:0;padding:0;}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}
.visually-hidden{
  position:absolute; width:1px; height:1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap;
}

/* ---------- Eyebrow / status-led label (signature element) ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-display);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-dim);
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:9px;height:9px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 0 rgba(47,214,196,.6);
  animation:led-pulse 2.4s infinite;
}
.on-dark .eyebrow{color:var(--accent);}
@keyframes led-pulse{
  0%{box-shadow:0 0 0 0 rgba(47,214,196,.55);}
  70%{box-shadow:0 0 0 8px rgba(47,214,196,0);}
  100%{box-shadow:0 0 0 0 rgba(47,214,196,0);}
}
@media (prefers-reduced-motion:reduce){
  .eyebrow::before{animation:none;}
}

/* ---------- Signal-line section divider (signature element) ---------- */
.signal-divider{
  width:100%;
  height:34px;
  display:block;
  overflow:hidden;
}
.signal-divider svg{width:100%;height:100%;display:block;}
.signal-divider path{
  fill:none;
  stroke:var(--border);
  stroke-width:2;
  stroke-dasharray:6 10;
}
.signal-divider.on-dark path{stroke:rgba(255,255,255,.12);}
.signal-divider circle{fill:var(--accent);}

/* ============================== HEADER ================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--navy);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  gap:20px;
}
.logo{
  display:flex; align-items:center; gap:.5em;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.35rem;
  color:#fff;
}
.logo span{color:var(--accent);}
.logo small{
  display:block;
  font-family:var(--font-body);
  font-weight:400;
  font-size:.62rem;
  letter-spacing:.05em;
  color:#9FB0C6;
  text-transform:uppercase;
}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav ul{display:flex;gap:4px;list-style:none;align-items:center;}
.main-nav a{
  display:block;
  padding:10px 14px;
  border-radius:8px;
  color:#D8DEE9;
  font-size:.95rem;
  font-weight:500;
  transition:background .15s,color .15s;
}
.main-nav a:hover,.main-nav a:focus-visible{background:rgba(255,255,255,.08);color:#fff;}
.main-nav .has-dropdown{position:relative;}
.dropdown{
  position:absolute; top:100%; left:0;
  background:var(--navy-2);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  min-width:260px;
  padding:8px;
  box-shadow:var(--shadow);
  opacity:0; visibility:hidden; transform:translateY(6px);
  transition:opacity .15s, transform .15s, visibility .15s;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{
  opacity:1; visibility:visible; transform:translateY(0);
}
.dropdown a{border-radius:8px;padding:10px 12px;}
.dropdown a small{display:block;color:#8CA0BC;font-size:.75rem;font-weight:400;margin-top:2px;}
.header-cta{
  display:inline-flex; align-items:center; gap:.5em;
  background:var(--accent);
  color:var(--navy);
  font-weight:700;
  font-size:.9rem;
  padding:10px 18px;
  border-radius:999px;
  white-space:nowrap;
  transition:filter .15s;
}
.header-cta:hover{filter:brightness(1.08);}
.nav-toggle{
  display:none;
  background:none;border:none;
  width:42px;height:42px;
  border-radius:8px;
  color:#fff;
  cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;}

@media (max-width:900px){
  .main-nav{
    position:fixed; inset:64px 0 0 0;
    background:var(--navy);
    flex-direction:column;
    align-items:stretch;
    padding:10px 20px 30px;
    transform:translateX(100%);
    transition:transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;display:none;margin:4px 0 4px 12px;border:none;background:transparent;padding:0;}
  .has-dropdown.open .dropdown{display:block;}
  .header-cta{margin-top:14px;justify-content:center;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
}

/* ============================== HERO ==================================== */
.hero{
  position:relative;
  background:var(--navy);
  color:#fff;
  overflow:hidden;
  background-image:
    linear-gradient(180deg, rgba(14,26,43,.92), rgba(14,26,43,.97)),
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 42px);
}
.hero::after{
  content:"";
  position:absolute; left:0; right:0; top:-20%;
  height:3px;
  background:linear-gradient(90deg, transparent, var(--accent), transparent);
  filter:blur(1px);
  animation:scan 7s linear infinite;
  opacity:.8;
}
@keyframes scan{
  0%{top:-5%;}
  100%{top:105%;}
}
@media (prefers-reduced-motion:reduce){.hero::after{animation:none;display:none;}}

.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  padding:76px 24px 64px;
  max-width:var(--maxw);
  margin:0 auto;
  position:relative;
}
.hero h1{font-size:clamp(2.1rem,4vw,3.1rem);color:#fff;}
.hero h1 em{color:var(--accent);font-style:normal;}
.hero-lead{color:#C4CEDD;font-size:1.08rem;max-width:520px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.6em;}
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--font-display);
  font-weight:600;
  font-size:.95rem;
  padding:13px 24px;
  border-radius:999px;
  transition:transform .15s, filter .15s, background .15s;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--accent);color:var(--navy);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06);}
.btn-dark{background:var(--navy);color:#fff;}
.btn-dark:hover{background:var(--navy-3);}
.hero-trust{
  display:flex; gap:26px; flex-wrap:wrap;
  margin-top:2.2em; padding-top:1.6em;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-trust div strong{display:block;font-family:var(--font-display);color:var(--accent);font-size:1.15rem;}
.hero-trust div span{font-size:.82rem;color:#9FB0C6;}

/* ---------- Slider ---------- */
.slider{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.5);
  aspect-ratio:4/3.1;
  background:var(--navy-2);
  border:1px solid rgba(255,255,255,.1);
}
.slider-track{
  display:flex;
  height:100%;
  transition:transform .5s cubic-bezier(.65,0,.35,1);
}
.slide{
  min-width:100%;
  height:100%;
  position:relative;
}
.slide img{width:100%;height:100%;object-fit:cover;}
.slide-caption{
  position:absolute; left:0; right:0; bottom:0;
  padding:20px 22px 18px;
  background:linear-gradient(0deg, rgba(9,16,27,.92), transparent);
  color:#fff;
}
.slide-caption .eyebrow{margin-bottom:.3em;}
.slide-caption h3{font-size:1.15rem;margin:0;color:#fff;}
.slider-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:42px;height:42px;
  border-radius:50%;
  background:rgba(9,16,27,.55);
  border:1px solid rgba(255,255,255,.25);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  backdrop-filter:blur(2px);
  transition:background .15s;
}
.slider-arrow:hover{background:rgba(47,214,196,.85);color:var(--navy);}
.slider-arrow.prev{left:12px;}
.slider-arrow.next{right:12px;}
.slider-arrow svg{width:18px;height:18px;}
.slider-dots{
  position:absolute; bottom:16px; right:20px;
  display:flex; gap:8px;
}
.slider-dots button{
  width:9px;height:9px;border-radius:50%;
  background:rgba(255,255,255,.4);
  border:none;cursor:pointer;padding:0;
}
.slider-dots button[aria-current="true"]{background:var(--accent);width:22px;border-radius:5px;transition:width .2s;}

/* ============================== SECTIONS ================================ */
section{padding:76px 0;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head.center{margin-inline:auto;text-align:center;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);color:var(--ink);}
.section-head p{color:var(--muted);font-size:1.05rem;}
.on-dark{background:var(--navy);color:#fff;}
.on-dark .section-head h2{color:#fff;}
.on-dark .section-head p{color:#AAB8CC;}

/* ---------- Service cards ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.service-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px;
  transition:transform .18s, box-shadow .18s, border-color .18s;
  display:flex; flex-direction:column;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.icon-badge{
  width:56px;height:56px;
  border-radius:14px;
  background:var(--navy);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
  flex-shrink:0;
}
.icon-badge svg{width:28px;height:28px;stroke:var(--accent);}
.service-card h3{font-size:1.25rem;margin-bottom:.4em;}
.service-card p{color:var(--muted);margin-bottom:1.1em;flex:1;}
.card-link{
  font-family:var(--font-display);
  font-weight:600;
  font-size:.92rem;
  color:var(--accent-dim);
  display:inline-flex;align-items:center;gap:.4em;
}
.service-card:hover .card-link{color:var(--navy);}
.card-link svg{width:16px;height:16px;transition:transform .15s;}
.service-card:hover .card-link svg{transform:translateX(3px);}

@media (max-width:760px){.services-grid{grid-template-columns:1fr;}}

/* ---------- About split ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.about-figure{
  background:var(--navy);
  border-radius:24px;
  padding:38px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.about-figure .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;position:relative;z-index:1;}
.about-figure .stat-grid strong{display:block;font-family:var(--font-display);font-size:2.1rem;color:var(--accent);}
.about-figure .stat-grid span{font-size:.86rem;color:#AAB8CC;}
@media (max-width:860px){.split{grid-template-columns:1fr;}}

/* ---------- Feature list (check items) ---------- */
.check-list{list-style:none;display:grid;gap:16px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink);}
.check-list svg{width:22px;height:22px;flex-shrink:0;stroke:var(--accent-dim);margin-top:1px;}
.check-list strong{display:block;font-family:var(--font-display);font-size:1rem;}
.check-list span{color:var(--muted);font-size:.94rem;}

/* ---------- Feature grid (for service subpages) ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feature-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
}
.feature-item .icon-badge{width:44px;height:44px;border-radius:10px;margin-bottom:14px;}
.feature-item .icon-badge svg{width:22px;height:22px;}
.feature-item h4{font-size:1.02rem;margin-bottom:.35em;}
.feature-item p{color:var(--muted);font-size:.92rem;margin:0;}
@media (max-width:860px){.feature-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.feature-grid{grid-template-columns:1fr;}}

/* ---------- Numbered process ---------- */
.process{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  counter-reset:step;
}
.process-step{position:relative;padding-top:8px;}
.process-step::before{
  counter-increment:step;
  content:"0" counter(step);
  font-family:var(--font-display);
  font-size:2.1rem;
  font-weight:700;
  color:var(--border);
  display:block;
  margin-bottom:.2em;
}
.process-step h4{font-size:1rem;margin-bottom:.35em;}
.process-step p{color:var(--muted);font-size:.9rem;margin:0;}
@media (max-width:860px){.process{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.process{grid-template-columns:1fr;}}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg, var(--navy), var(--navy-3));
  border-radius:28px;
  color:#fff;
  padding:52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
}
.cta-banner h3{color:#fff;margin-bottom:.25em;font-size:1.5rem;}
.cta-banner p{color:#AAB8CC;margin:0;}

/* ---------- FAQ accordion ---------- */
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  padding:22px 4px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
  font-family:var(--font-display);
  font-size:1.05rem;
  font-weight:600;
  color:var(--ink);
}
.faq-q svg{width:20px;height:20px;flex-shrink:0;stroke:var(--accent-dim);transition:transform .2s;}
.faq-item[data-open="true"] .faq-q svg{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-a p{color:var(--muted);padding:0 4px 22px;max-width:820px;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;}
.contact-card{
  background:var(--navy);
  color:#fff;
  border-radius:var(--radius);
  padding:36px;
}
.contact-card h3{color:#fff;font-size:1.2rem;}
.contact-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px;}
.contact-row .icon-badge{background:rgba(255,255,255,.08);width:42px;height:42px;border-radius:10px;}
.contact-row .icon-badge svg{width:20px;height:20px;}
.contact-row strong{display:block;font-size:.95rem;}
.contact-row span,.contact-row a{color:#AAB8CC;font-size:.9rem;}
.map-embed{
  border-radius:12px;overflow:hidden;margin-top:8px;border:1px solid rgba(255,255,255,.14);
}
.map-embed iframe{width:100%;height:200px;border:0;display:block;}

form.contact-form{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:36px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:.85rem;
  font-weight:600;
  margin-bottom:6px;
  color:var(--ink);
}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:10px;
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:.95rem;
  color:var(--ink);
  background:#fff;
  transition:border-color .15s, box-shadow .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent-dim);
  box-shadow:0 0 0 3px rgba(47,214,196,.18);
  outline:none;
}
.field textarea{resize:vertical;min-height:120px;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--muted);margin-bottom:20px;}
.consent input{margin-top:3px;}
.hp-field{position:absolute;left:-9999px;top:-9999px;opacity:0;height:0;}
.form-note{font-size:.82rem;color:var(--muted);margin-top:10px;}
.form-alert{
  border-radius:10px;
  padding:14px 16px;
  font-size:.9rem;
  margin-bottom:18px;
}
.form-alert.success{background:#E6FBF7;color:#0E6B5C;border:1px solid #B7EFE4;}
.form-alert.error{background:#FDECEC;color:#9A2E2E;border:1px solid #F6C8C8;}

@media (max-width:900px){
  .contact-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}

/* ---------- Breadcrumb / page hero (subpages) ---------- */
.breadcrumb{
  font-size:.85rem;
  color:#9FB0C6;
  display:flex; gap:8px; align-items:center;
  margin-bottom:22px;
}
.breadcrumb a{color:#C4CEDD;}
.breadcrumb a:hover{color:var(--accent);}
.page-hero{
  background:var(--navy);
  color:#fff;
  padding:64px 0 56px;
  position:relative;
  overflow:hidden;
}
.page-hero .icon-badge{width:64px;height:64px;border-radius:16px;background:rgba(255,255,255,.08);margin-bottom:22px;}
.page-hero .icon-badge svg{width:32px;height:32px;}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,3.6vw,2.7rem);max-width:760px;}
.page-hero p.lead{color:#C4CEDD;font-size:1.08rem;max-width:640px;}

.intro-text{max-width:760px;font-size:1.05rem;color:var(--ink);}
.intro-text p{margin-bottom:1.2em;}
.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.related-links a{
  display:block;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:20px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:.95rem;
  transition:border-color .15s, transform .15s;
}
.related-links a:hover{border-color:var(--accent-dim);transform:translateY(-2px);}
.related-links a small{display:block;font-family:var(--font-body);font-weight:400;color:var(--muted);margin-top:4px;font-size:.85rem;}
@media (max-width:860px){.related-links{grid-template-columns:1fr;}}

/* ============================== FOOTER =================================== */
.site-footer{background:var(--navy);color:#AAB8CC;padding:60px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-grid h4{color:#fff;font-size:.92rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:1em;}
.footer-grid ul{list-style:none;display:grid;gap:10px;}
.footer-grid a{font-size:.9rem;color:#AAB8CC;}
.footer-grid a:hover{color:var(--accent);}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:.88rem;max-width:280px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 0 28px;
  font-size:.82rem;
  color:#7C8DA6;
  flex-wrap:wrap;
  gap:10px;
}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--accent); color:var(--navy);
  padding:10px 16px; z-index:200; border-radius:0 0 8px 0;
  font-weight:600;
}
.skip-link:focus{left:0;}

/* ---------- Responsive: hero stack ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:56px 24px 44px;}
  .hero-trust{gap:20px;}
}
@media (max-width:560px){
  section{padding:56px 0;}
  .cta-banner{padding:32px;flex-direction:column;align-items:flex-start;}
}