:root {
  /* REPLACEABLE IMAGES */
  --hero-image: url("assets/wideodomofon-realizacja.webp");

  --ink: #10263b;
  --ink-deep: #071726;
  --blue: #08729d;
  --blue-light: #64c5e8;
  --signal: #f2b43d;
  --paper: #f4f8fa;
  --white: #ffffff;
  --muted: #5c6b78;
  --line: #cbd9e1;
  --display: "Arial Narrow", "Roboto Condensed", "Franklin Gothic Medium", Arial, sans-serif;
  --body: Inter, Aptos, "Segoe UI", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, monospace;
  --shadow: 0 18px 55px rgba(7, 23, 38, .13);
  --radius: 6px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1rem/1.65 var(--body); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 99; padding: .7rem 1rem; background: var(--signal); color: var(--ink-deep); font-weight: 800; }
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.eyebrow { margin: 0 0 .7rem; color: var(--blue); font: 800 .73rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.light { color: var(--blue-light); }
h1, h2, h3 { margin: 0; font-family: var(--display); font-stretch: condensed; line-height: 1.02; text-wrap: balance; }
h1 { max-width: 830px; font-size: clamp(2.75rem, 9vw, 6.7rem); letter-spacing: -.055em; }
h2 { font-size: clamp(2.2rem, 5vw, 4.3rem); letter-spacing: -.04em; }
h3 { font-size: clamp(1.35rem, 2.3vw, 1.85rem); letter-spacing: -.02em; }
p { margin: 0; }
.lede { max-width: 700px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.btn { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: .7rem; padding: .7rem 1.1rem; border: 2px solid var(--blue); border-radius: 2px; background: var(--blue); color: var(--white); font-weight: 800; text-decoration: none; transition: background .2s, border-color .2s, color .2s, transform .2s; }
.btn:hover { background: var(--ink); border-color: var(--ink); transform: translateY(-2px); }
.btn.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.secondary:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }
.text-link { color: var(--blue); font-weight: 800; text-underline-offset: .25em; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(203,217,225,.75); background: rgba(244,248,250,.96); backdrop-filter: blur(14px); }
.availability { padding: .4rem 1rem; background: var(--ink-deep); color: #dce8ee; text-align: center; font-size: .75rem; }
.availability a { color: var(--blue-light); font-weight: 800; }
.header-inner { min-height: 74px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.site-header.enhanced .header-inner { flex-wrap: nowrap; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand img { width: 148px; height: auto; }
.brand-name { display: none; font: 800 .7rem/1.25 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.nav-toggle { display: none; width: 45px; height: 45px; padding: 0; border: 1px solid var(--line); background: var(--white); color: var(--ink); font-size: 1.35rem; cursor: pointer; }
.site-nav { display: grid; position: static; width: 100%; padding: 1rem; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
.site-header.enhanced .nav-toggle { display: block; }
.site-header.enhanced .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; }
.site-header.enhanced .site-nav.open { display: grid; }
.site-nav a { padding: .75rem; font-weight: 700; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--blue); }
.site-nav .nav-cta { color: var(--white); text-align: center; background: var(--blue); }
.hero { position: relative; overflow: hidden; padding: clamp(4.5rem, 10vw, 8.5rem) 0 4rem; background: var(--ink-deep); color: var(--white); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(100,197,232,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(100,197,232,.07) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(to right, transparent 5%, black 75%); }
.hero-grid { position: relative; z-index: 1; display: grid; gap: 3rem; }
.hero-copy { align-self: center; }
.hero-copy h1 strong { color: var(--blue-light); font-weight: inherit; }
.hero-copy .lede { margin-top: 1.4rem; color: #cad7df; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero .secondary { color: var(--white); border-color: #456072; }
.hero .secondary:hover { color: var(--ink); background: var(--white); border-color: var(--white); }
.viewfinder { position: relative; min-height: 420px; background: center/cover var(--hero-image); box-shadow: var(--shadow); }
.viewfinder::before, .viewfinder::after { content: ""; position: absolute; inset: 18px; border: solid var(--blue-light); border-width: 2px 0; opacity: .8; }
.viewfinder::after { inset: 0 50%; width: 1px; border: 0; background: rgba(255,255,255,.5); }
.viewfinder-label { position: absolute; left: 0; bottom: 0; padding: .65rem .9rem; background: var(--signal); color: var(--ink-deep); font: 800 .7rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.trust-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.trust-list { display: grid; margin: 0; padding: 0; list-style: none; }
.trust-list li { padding: 1.1rem 0; border-bottom: 1px solid var(--line); font-weight: 800; }
.trust-list span { display: block; margin-bottom: .35rem; color: var(--blue); font: 700 .67rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.section-heading { display: grid; gap: 1.4rem; margin-bottom: 2.8rem; }
.services { display: grid; gap: 1rem; }
.service-card { position: relative; display: grid; min-height: 430px; align-content: end; overflow: hidden; background: var(--ink); color: var(--white); text-decoration: none; }
.service-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; transition: transform .5s, opacity .5s; }
.service-card::after { content: ""; position: absolute; inset: 30% 0 0; background: linear-gradient(transparent, rgba(7,23,38,.96)); }
.service-card-content { position: relative; z-index: 1; padding: 1.5rem; }
.service-card .code { color: var(--blue-light); font: 700 .7rem var(--mono); letter-spacing: .1em; }
.service-card h3 { margin-top: .45rem; }
.service-card p { margin-top: .8rem; color: #d5e1e7; }
.service-card:hover img { transform: scale(1.035); opacity: .65; }
.split { display: grid; gap: 2.5rem; align-items: center; }
.split-media { position: relative; }
.split-media img { width: 100%; max-height: 600px; object-fit: cover; box-shadow: var(--shadow); }
.split-media::after { content: ""; position: absolute; width: 40%; height: 5px; left: -10px; bottom: -12px; background: var(--signal); }
.copy-stack { display: grid; gap: 1.2rem; }
.copy-stack ul, .feature-list { margin: 0; padding: 0; list-style: none; }
.copy-stack li, .feature-list li { position: relative; padding: .85rem 0 .85rem 1.5rem; border-bottom: 1px solid var(--line); }
.copy-stack li::before, .feature-list li::before { content: "+"; position: absolute; left: 0; color: var(--blue); font-family: var(--mono); font-weight: 800; }
.dark-section { background: var(--ink-deep); color: var(--white); }
.dark-section .lede { color: #b9c9d2; }
.process { display: grid; gap: 1px; background: #294052; border: 1px solid #294052; }
.process article { padding: 1.5rem; background: var(--ink-deep); }
.process .step { margin-bottom: 2.3rem; color: var(--blue-light); font: 700 .75rem var(--mono); }
.process p { margin-top: .8rem; color: #b9c9d2; }
.page-hero { padding: clamp(4.5rem, 10vw, 8rem) 0 4rem; background: var(--ink-deep); color: var(--white); }
.page-hero h1 { max-width: 1000px; font-size: clamp(2.8rem, 8vw, 6.2rem); }
.page-hero .lede { margin-top: 1.3rem; color: #cad7df; }
.feature-grid { display: grid; gap: 1rem; }
.feature { padding: 1.5rem; background: var(--white); border-top: 4px solid var(--blue); }
.feature p { margin-top: .8rem; color: var(--muted); }
.logo-cloud { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }
.logo-cloud span { padding: .55rem .75rem; background: var(--white); border: 1px solid var(--line); color: var(--ink); font: 800 .78rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.cert-grid figure { margin: 0; background: var(--white); }
.cert-grid img { width: 100%; height: 320px; object-fit: contain; background: #e6eef2; }
.cert-grid figcaption { padding: .8rem; font-size: .83rem; font-weight: 700; }
.callout { display: grid; gap: 1.4rem; align-items: center; padding: clamp(2rem, 5vw, 4rem); background: var(--signal); color: var(--ink-deep); }
.callout .btn { background: var(--ink-deep); border-color: var(--ink-deep); }
.callout .btn:hover { background: var(--white); border-color: var(--white); color: var(--ink-deep); }
.contact-grid { display: grid; gap: 3rem; }
.contact-details { display: grid; gap: 1.4rem; }
.contact-details a { color: var(--blue); font-size: 1.12rem; font-weight: 800; overflow-wrap: anywhere; }
.address-grid { display: grid; gap: 1rem; }
.address { padding: 1.2rem; border-left: 4px solid var(--blue); background: var(--white); }
.address strong { display: block; }
.form { display: grid; gap: 1rem; padding: clamp(1.3rem, 4vw, 2.5rem); background: var(--white); box-shadow: var(--shadow); }
.form h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
.field { display: grid; gap: .35rem; }
.field label { font-weight: 800; }
.field input, .field textarea { width: 100%; padding: .8rem; border: 1px solid #9badb8; border-radius: 2px; background: #fbfdfe; color: var(--ink); }
.field textarea { min-height: 150px; resize: vertical; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.6em; font-weight: 700; }
.form-status.success { color: #197142; }
.form-status.error { color: #aa2e2e; }
.fine-print { color: var(--muted); font-size: .83rem; }
.site-footer { padding: 3.5rem 0 1.5rem; background: var(--ink-deep); color: var(--white); }
.footer-grid { display: grid; gap: 2rem; }
.footer-brand img { width: 175px; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 400px; margin-top: 1rem; color: #aebfc9; }
.footer-links { display: grid; gap: .45rem; align-content: start; }
.footer-links strong { color: var(--blue-light); font: 700 .7rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.footer-links a { text-decoration-color: #456072; text-underline-offset: .25em; }
.footer-bottom { margin-top: 3rem; padding-top: 1.2rem; border-top: 1px solid #294052; color: #91a7b4; font-size: .8rem; }

@media (min-width: 720px) {
  .shell { width: min(calc(100% - 4rem), var(--max)); }
  .brand-name { display: block; }
  .hero-grid, .split { grid-template-columns: 1.05fr .95fr; }
  .trust-list { grid-template-columns: repeat(3, 1fr); }
  .trust-list li { padding: 1.3rem; border-right: 1px solid var(--line); border-bottom: 0; }
  .trust-list li:first-child { padding-left: 0; }
  .services, .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .section-heading { grid-template-columns: 1fr .8fr; align-items: end; }
  .process { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .callout { grid-template-columns: 1fr auto; }
  .footer-grid { grid-template-columns: 1.7fr 1fr 1fr; }
  .address-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1020px) {
  .site-header.enhanced .nav-toggle, .nav-toggle { display: none; }
  .site-header.enhanced .site-nav, .site-nav { display: flex; position: static; width: auto; padding: 0; align-items: center; gap: .2rem; background: transparent; border: 0; box-shadow: none; }
  .site-nav a { padding: .6rem .65rem; font-size: .9rem; }
  .site-nav .nav-cta { margin-left: .5rem; padding-inline: 1rem; }
  .hero-grid { grid-template-columns: 1.2fr .8fr; }
  .viewfinder { min-height: 560px; margin-right: calc((100vw - min(calc(100vw - 4rem), var(--max))) / -2); }
  .service-card:first-child { transform: translateY(2rem); }
  .service-card:last-child { transform: translateY(-1rem); }
}

@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1.05fr .95fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}