/* =========================================================
   DSPV INSTALACJE — główny arkusz stylów
   Najszybsza edycja kolorów: zmień wartości w :root.
   Czcionka Arista Pro: jeśli masz licencjonowany webfont,
   nazwij plik arista-pro.woff2 i umieść go w folderze assets.
   ========================================================= */

@font-face {
  font-family: "Arista Pro";
  src: local("Arista Pro"), local("Arista Pro Light"),
       url("arista-pro.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

:root {
  --brand: #0cc0df;
  --brand-2: #42d8ec;
  --brand-soft: #e8f9fc;
  --ink: #111315;
  --ink-2: #1b2024;
  --graphite: #343a3f;
  --steel: #71808b;
  --paper: #f6f8f9;
  --paper-2: #edf2f4;
  --white: #ffffff;
  --muted: #66737b;
  --line: rgba(17, 19, 21, 0.10);
  --line-dark: rgba(255, 255, 255, 0.11);
  --shadow: 0 24px 70px rgba(14, 28, 34, 0.12);
  --shadow-soft: 0 12px 38px rgba(14, 28, 34, 0.08);
  --radius: 24px;
  --radius-lg: 32px;
  --font-body: "Century Gothic", CenturyGothic, "Avenir Next", "Trebuchet MS", Arial, sans-serif;
  --font-display: "Arista Pro", "Century Gothic", CenturyGothic, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
::selection { background: rgba(12,192,223,.22); }

.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 40px)); margin: 0 auto; }
.display { font-family: var(--font-display); font-weight: 400; letter-spacing: 0; }
.accent { color: var(--brand); }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* NAV */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(17,19,21,.90);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(18px);
}
.navbar { height: 118px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { height: 124px; width: auto; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 24px; color: #e7ecef; font-size: .88rem; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--brand); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.14); border-radius: 12px;
  background: transparent; color: #fff; align-items: center; justify-content: center; cursor: pointer;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; border-radius: 99px; background: currentColor; transition: .2s ease;
}
.menu-toggle span { position: relative; }
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 48px; padding: 12px 19px; border-radius: 14px; border: 1px solid transparent;
  background: var(--brand); color: #071013; font-weight: 700; font-size: .92rem;
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); background: var(--brand-2); box-shadow: 0 13px 30px rgba(12,192,223,.22); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.2); }
.btn-outline:hover { background: rgba(255,255,255,.04); color: var(--brand); border-color: var(--brand); box-shadow: none; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--graphite); box-shadow: var(--shadow-soft); }
.btn-wide { width: 100%; }

/* TYPOGRAPHY */
h1,h2,h3 { margin: 0; line-height: 1.08; }
h1,h2 { letter-spacing: -.03em; }
h3 { letter-spacing: -.018em; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; color: var(--brand);
  font-size: .78rem; font-weight: 700; letter-spacing: .11em;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--brand); border-radius: 99px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 38px; }
.section-head h2 { font-size: clamp(2.35rem, 4.5vw, 4.3rem); max-width: 790px; }
.section-head p { max-width: 480px; margin: 0; color: var(--muted); }

/* HOME HERO */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(circle at 79% 24%, rgba(12,192,223,.18), transparent 27%),
    linear-gradient(135deg, #0b0d0e 0%, #171b1e 58%, #2a3136 100%);
  padding: 92px 0 104px;
}
.hero::after {
  content: ""; position: absolute; left: -8%; right: -8%; bottom: -150px; height: 240px;
  background: var(--paper); border-radius: 50% 50% 0 0 / 36% 36% 0 0; transform: rotate(-1.5deg);
}
.hero-grid { display: grid; grid-template-columns: .98fr 1.02fr; gap: 38px; align-items: center; position: relative; z-index: 2; }
.hero h1 { font-size: clamp(3.2rem, 6.5vw, 6.3rem); max-width: 800px; margin: 24px 0 24px; }
.hero .lead { max-width: 700px; margin: 0; color: #cbd2d6; font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 36px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.12); }
.hero-proof strong { display: block; color: #fff; font-size: .98rem; }
.hero-proof span { display: block; color: #9fabb2; font-size: .78rem; margin-top: 3px; }

.energy-map {
  position: relative;
  width: min(100%, 640px);
  min-height: 540px;
  margin: -26px -18px 0 auto;
  transform: translate(28px, -18px) scale(1.08);
  transform-origin: center;
}
.energy-map::before, .energy-map::after {
  content: ""; position: absolute; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%,-50%);
  pointer-events: none;
}
.energy-map::before { width: 470px; height: 470px; }
.energy-map::after { width: 360px; height: 360px; border-color: rgba(12,192,223,.16); }

.energy-flow {
  position: absolute; inset: 0; width: 100%; height: 100%;
  overflow: visible; pointer-events: none; z-index: 1;
}
.flow-path {
  fill: none;
  stroke: rgba(12,192,223,.78);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 5px rgba(12,192,223,.28));
}
.flow-particle {
  fill: #8beafa;
  stroke: rgba(255,255,255,.72);
  stroke-width: .7;
  filter: drop-shadow(0 0 5px rgba(139,234,250,.98)) drop-shadow(0 0 11px rgba(12,192,223,.74));
}

.energy-core {
  position: absolute; inset: 50% auto auto 50%; transform: translate(-50%,-50%);
  width: 282px; min-height: 200px; border-radius: 32px; padding: 10px;
  background: linear-gradient(145deg,#20262a,#111315); border: 1px solid rgba(255,255,255,.13); box-shadow: 0 32px 70px rgba(0,0,0,.28);
  display: grid; place-items: center; text-align: center; z-index: 3;
  overflow: visible;
}
.energy-core img { position: absolute; left: 50%; top: 50%; width: 252px; max-width: none; margin: 0; display: block; transform: translate(-50%,-50%); }
.energy-core span { display: none; }
.energy-node {
  position: absolute;
  width: 150px;
  height: 100px;
  padding: 14px 15px;
  border-radius: 18px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 38px rgba(0,0,0,.16);
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 3;
  transition: border-color .25s ease, background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.energy-node b { display: block; color: var(--brand); font-size: .83rem; margin-bottom: 4px; }
.energy-node span { display: block; color: #d6dde0; font-size: .76rem; line-height: 1.35; }
.energy-node.n1 { left: 0; top: 54px; }
.energy-node.n2 { right: 0; top: 54px; }
.energy-node.n3 { left: 0; bottom: 54px; }
.energy-node.n4 { right: 0; bottom: 54px; }
.energy-node::before {
  content: ""; position: absolute; right: 11px; top: 11px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 0 rgba(12,192,223,.42);
  animation: status-pulse 2.8s ease-out infinite;
}
.energy-node.n2::before { animation-delay: -.7s; }
.energy-node.n3::before { animation-delay: -1.4s; }
.energy-node.n4::before { animation-delay: -2.1s; }
.energy-core::after {
  content: ""; position: absolute; inset: -9px; z-index: -1; border-radius: 34px;
  border: 1px solid rgba(12,192,223,.12); box-shadow: 0 0 0 0 rgba(12,192,223,.08);
  animation: core-breathe 4.8s ease-in-out infinite;
}
.energy-map:hover .flow-path { stroke: rgba(66,216,236,.88); }
.energy-map:hover .energy-node { border-color: rgba(12,192,223,.28); background: rgba(255,255,255,.085); }
.energy-map:hover .energy-core { box-shadow: 0 34px 78px rgba(0,0,0,.32), 0 0 35px rgba(12,192,223,.07); }
.energy-map:not(.visible) .flow-path,
.energy-map:not(.visible) .energy-node::before,
.energy-map:not(.visible) .energy-core::after { animation-play-state: paused; }

@keyframes flow-dash {
  to { stroke-dashoffset: -52; }
}
@keyframes status-pulse {
  0% { box-shadow: 0 0 0 0 rgba(12,192,223,.42); }
  60%,100% { box-shadow: 0 0 0 8px rgba(12,192,223,0); }
}
@keyframes core-breathe {
  0%,100% { opacity: .45; transform: scale(.985); box-shadow: 0 0 0 0 rgba(12,192,223,.05); }
  50% { opacity: .9; transform: scale(1.015); box-shadow: 0 0 34px 3px rgba(12,192,223,.09); }
}

/* SECTIONS */
section { padding: 88px 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; min-height: 294px; padding: 24px 22px 22px;
  border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft); text-align: center;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, color .22s ease;
}
.card::after { content: ""; position: absolute; width: 150px; height: 150px; right: -74px; bottom: -74px; border-radius: 50%; background: rgba(12,192,223,.08); }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(12,192,223,.32); color: var(--ink); }
.card:hover .card-icon { transform: scale(1.03); }
.card-code { position: absolute; right: 18px; top: 14px; color: #dbe4e8; font-size: 1.45rem; font-weight: 700; }
.card-icon { width: 64px; height: 64px; margin: 6px auto 24px; border-radius: 18px; background: #fff; color: var(--brand); display: grid; place-items: center; font-weight: 700; letter-spacing: .02em; box-shadow: inset 0 0 0 1px rgba(12,192,223,.12); transition: transform .22s ease; }
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { margin: 0; color: var(--muted); font-size: .9rem; max-width: 30ch; }
.card-link { display: inline-flex; margin-top: auto; padding-top: 18px; color: var(--brand); font-size: .84rem; font-weight: 700; }

.about { background: linear-gradient(180deg,#fff,#f2f6f8); position: relative; overflow: hidden; }
.about::before { content: ""; position: absolute; width: 720px; height: 720px; border-radius: 50%; border: 1px solid rgba(12,192,223,.08); right: -340px; top: -250px; }
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: start; position: relative; z-index: 2; }
.about-visual { position: sticky; top: 110px; min-height: 430px; padding: 42px; border-radius: var(--radius-lg); background: linear-gradient(145deg,#111315,#394249); box-shadow: var(--shadow); display: grid; place-items: center; overflow: hidden; }
.about-visual::before { display: none; }
.about-visual::after { display: none; }
.about-visual img { width: 88%; max-width: 430px; position: relative; z-index: 2; }
.about-copy h2 { font-size: clamp(2.3rem,4.4vw,4.1rem); margin: 18px 0 24px; }
.about-copy p { color: #30383d; margin: 0 0 15px; }
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 28px; }
.stat { padding: 18px; border: 1px solid var(--line); background: #fff; border-radius: 18px; text-align: center; }
.stat b { display: block; color: var(--brand); font-size: 1.1rem; margin-bottom: 4px; }
.stat span { color: var(--muted); font-size: .8rem; }

.dark-section { background: linear-gradient(135deg,#111315,#252c31); color: #fff; position: relative; overflow: hidden; }
.dark-section::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px), linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px); background-size: 38px 38px; mask-image: linear-gradient(to bottom,black,transparent); }
.dark-section .section-head p { color: #a9b4ba; }
.why-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 18px; position: relative; z-index: 2; }
.feature-panel { min-height: 420px; padding: 34px; border: 1px solid rgba(255,255,255,.10); border-radius: 28px; background: rgba(255,255,255,.035); display: flex; flex-direction: column; justify-content: space-between; }
.feature-panel h3 { font-size: clamp(1.65rem,3vw,2.1rem); max-width: 580px; }
.feature-panel p { color: #aab4ba; max-width: 600px; }
.checks { display: grid; gap: 12px; margin-top: 28px; }
.check { display: flex; gap: 12px; align-items: flex-start; padding-top: 13px; border-top: 1px solid rgba(255,255,255,.08); color: #c7d0d5; }
.check i { width: 25px; height: 25px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; background: rgba(12,192,223,.13); color: var(--brand); font-style: normal; font-weight: 700; }
.tech-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.tech-metric { padding: 20px; border-radius: 18px; background: #fff; color: var(--ink); }
.tech-metric b { display: block; color: var(--brand); font-size: 1.7rem; }
.tech-metric span { color: var(--muted); font-size: .76rem; }

.steps { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; }
.step { position: relative; padding: 24px 18px 26px; border-top: 2px solid #dfe7eb; }
.step::before { content: ""; position: absolute; left: 0; top: -2px; width: 48px; height: 2px; background: var(--brand); }
.step b { color: var(--brand); font-size: .88rem; }
.step h3 { margin: 16px 0 8px; font-size: 1.08rem; }
.step p { margin: 0; color: var(--muted); font-size: .87rem; }

/* BRANDS */
.brand-strip { background: linear-gradient(180deg,#ffffff 0%,#f4f8fa 100%); }
.brand-wall { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.brand-badge {
  position: relative; overflow: hidden; min-height: 136px; padding: 18px 16px 16px;
  display: grid; grid-template-rows: 60px 24px; align-items: center; justify-items: center; gap: 10px; text-align: center;
  border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  color: #364047; font-weight: 700; font-size: .96rem; letter-spacing: -.01em;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, color .22s ease;
}
.brand-logo-wrap { width: 100%; height: 60px; display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; }
.brand-logo {
  display: block; width: auto; max-width: 88%; max-height: 34px; object-fit: contain;
}
.brand-logo.is-png { filter: invert(28%) sepia(10%) saturate(496%) hue-rotate(163deg) brightness(92%) contrast(90%); }
.brand-badge span { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; min-height: 24px; line-height: 1.2; }
.brand-badge::before {
  content: ""; position: absolute; inset: auto -35% -55% auto; width: 130px; height: 130px;
  border-radius: 50%; background: rgba(12,192,223,.08);
}
.brand-badge:hover { transform: translateY(-3px); border-color: rgba(12,192,223,.32); box-shadow: var(--shadow); color: var(--ink); }
.brand-badge:hover .brand-logo { transform: scale(1.03); }
.brand-badge:focus-visible { outline: 3px solid rgba(12,192,223,.28); outline-offset: 3px; }
.brand-logo { transition: transform .22s ease; }
.brands-note { margin: 18px 0 0; color: var(--muted); font-size: .9rem; max-width: 980px; }

/* REALIZATIONS */
.realizations-preview { background: #fff; }
.project-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.project-card { overflow: hidden; border-radius: 26px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-soft); }
.project-visual { min-height: 230px; position: relative; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg,#111315,#313a40); }
.project-visual::before { content: ""; position: absolute; width: 250px; height: 250px; border-radius: 50%; border: 1px solid rgba(12,192,223,.17); }
.project-visual::after { content: ""; position: absolute; width: 160px; height: 160px; border-radius: 50%; border: 1px solid rgba(255,255,255,.10); }
.project-symbol { position: relative; z-index: 2; width: 96px; height: 96px; border-radius: 25px; display: grid; place-items: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13); color: var(--brand); font-size: 1.1rem; font-weight: 700; }
.project-copy { padding: 24px; }
.project-copy small { color: var(--brand); font-weight: 700; }
.project-copy h3 { font-size: 1.25rem; margin: 8px 0 9px; }
.project-copy p { margin: 0; color: var(--muted); font-size: .9rem; }
.gallery-note { margin-top: 22px; padding: 18px 20px; border-radius: 18px; background: var(--brand-soft); border: 1px solid rgba(12,192,223,.20); color: #314148; font-size: .9rem; }

/* CONTACT */
.contact-section { padding-top: 36px; }
.contact-box { display: grid; grid-template-columns: 1fr .92fr; gap: 34px; padding: 44px; border-radius: var(--radius-lg); background: linear-gradient(135deg,#dff7fb,#f9fbfc); border: 1px solid rgba(12,192,223,.22); box-shadow: var(--shadow); }
.contact-box h2 { font-size: clamp(2.4rem,5vw,4.7rem); margin: 14px 0 18px; }
.contact-box p { color: var(--muted); }
.contact-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.contact-links .btn-outline { color: var(--ink); border-color: rgba(17,19,21,.15); background: #fff; }
.contact-links .btn-outline:hover { color: var(--brand); border-color: var(--brand); }
.contact-form { display: grid; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
input, textarea, select { width: 100%; border: 1px solid rgba(17,19,21,.12); border-radius: 14px; padding: 14px 15px; background: #fff; color: var(--ink); outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
input:focus, textarea:focus, select:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(12,192,223,.10); }
textarea { min-height: 130px; resize: vertical; }
.form-note { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.5; }
.form-consent { display: flex; align-items: flex-start; gap: 9px; color: var(--muted); font-size: .74rem; line-height: 1.45; }
.form-consent input { width: 16px; height: 16px; margin-top: 2px; flex: 0 0 auto; }

/* SERVICE PAGES */
.sub-hero { position: relative; overflow: hidden; background: linear-gradient(135deg,#0b0d0e 0%,#171a1d 58%,#2b3237 100%); color: #fff; padding: 84px 0 78px; }
.sub-hero::after { content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%; border: 1px solid rgba(12,192,223,.13); right: -130px; top: -235px; }
.sub-hero h1 { max-width: 930px; margin: 20px 0 20px; font-size: clamp(2.8rem,5.7vw,5.6rem); }
.sub-hero .intro { max-width: 760px; margin: 0; color: #c9d1d5; font-size: 1.03rem; }
.sub-hero-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }

.service-intro { display: grid; grid-template-columns: 1.08fr .92fr; gap: 42px; align-items: start; }
.service-copy h2 { font-size: clamp(2.1rem,4vw,3.65rem); margin-bottom: 22px; }
.service-copy p { color: #364047; margin: 0 0 16px; }
.service-aside { padding: 28px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.service-aside h3 { font-size: 1.2rem; margin-bottom: 18px; }
.service-aside ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.service-aside li { display: flex; gap: 11px; align-items: flex-start; color: var(--muted); font-size: .9rem; }
.service-aside li::before { content: "✓"; color: var(--brand); font-weight: 700; }

.benefit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.benefit { padding: 25px; border-radius: 22px; border: 1px solid var(--line); background: #fff; }
.benefit b { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--brand-soft); color: var(--brand); margin-bottom: 23px; font-size: .8rem; }
.benefit h3 { font-size: 1.18rem; margin-bottom: 9px; }
.benefit p { margin: 0; color: var(--muted); font-size: .88rem; }

.tech-block { background: linear-gradient(135deg,#111315,#252c31); color: #fff; border-radius: 32px; padding: 42px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 42px; position: relative; overflow: hidden; }
.tech-block::after { content: ""; position: absolute; width: 440px; height: 440px; border-radius: 50%; border: 1px solid rgba(12,192,223,.10); right: -230px; bottom: -250px; }
.tech-block h2 { font-size: clamp(2.1rem,4vw,3.55rem); position: relative; z-index: 2; }
.tech-block p { color: #b7c1c6; position: relative; z-index: 2; }
.tech-list { display: grid; gap: 12px; position: relative; z-index: 2; }
.tech-item { padding: 17px 18px; border-radius: 17px; border: 1px solid rgba(255,255,255,.10); background: rgba(255,255,255,.035); }
.tech-item strong { display: block; color: #fff; margin-bottom: 3px; }
.tech-item span { color: #aeb9be; font-size: .86rem; }

.faq { display: grid; gap: 10px; }
details { border: 1px solid var(--line); border-radius: 18px; background: #fff; padding: 0 20px; }
summary { cursor: pointer; list-style: none; padding: 18px 32px 18px 0; font-weight: 700; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); color: var(--brand); font-size: 1.4rem; font-weight: 400; }
details[open] summary::after { content: "–"; }
details p { margin: 0; padding: 0 0 19px; color: var(--muted); font-size: .9rem; }

.service-cta { display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center; padding: 34px; border-radius: 26px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.service-cta h2 { font-size: clamp(2rem,3.5vw,3.3rem); }
.service-cta p { margin: 10px 0 0; color: var(--muted); }


/* SOCIAL MEDIA */
.social-icon {
  width: 42px; height: 42px; display: inline-grid; place-items: center; flex: 0 0 auto;
  border-radius: 12px; border: 1px solid rgba(255,255,255,.14); color: #e7ecef; background: rgba(255,255,255,.035);
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.social-icon svg { width: 21px; height: 21px; display: block; }
.social-icon:hover {
  color: #fff; border-color: rgba(12,192,223,.62); background: rgba(12,192,223,.13);
  transform: translateY(-2px); box-shadow: 0 10px 24px rgba(12,192,223,.14);
}
.contact-facebook { gap: 9px; }
.contact-facebook svg { width: 18px; height: 18px; flex: 0 0 auto; }
.footer-social-link { display: inline-flex !important; align-items: center; gap: 8px; width: fit-content; }
.footer-social-link svg { width: 17px; height: 17px; color: var(--brand); flex: 0 0 auto; }

/* FOOTER */
footer { background: #111315; color: #9aa6ad; margin-top: 90px; }
.footer-grid { padding: 38px 0; display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 34px; align-items: start; }
.footer-logo img { height: 92px; width: auto; margin-bottom: 16px; }
.footer-logo p { max-width: 430px; margin: 0; font-size: .8rem; }
.footer-col h3 { color: #fff; font-size: .88rem; margin-bottom: 12px; }
.footer-col a { display: block; margin: 6px 0; font-size: .8rem; }
.footer-col a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0 22px; display: flex; justify-content: space-between; gap: 20px; font-size: .72rem; }

[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
[data-reveal].visible { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .nav-links { gap: 16px; }
  .hero-grid, .about-grid, .why-grid, .contact-box, .service-intro, .tech-block { grid-template-columns: 1fr; }
  .hero-grid { gap: 24px; }
  .energy-map { min-height: 430px; max-width: 560px; width: 100%; margin: 0 auto; transform: none; }
  .about-visual { position: relative; top: auto; min-height: 330px; }
  .cards, .benefit-grid, .project-grid, .brand-wall { grid-template-columns: 1fr 1fr; }
  .brand-wall { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: 1fr 1fr 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-links { display: none; position: absolute; left: 20px; right: 20px; top: 72px; padding: 16px; flex-direction: column; align-items: stretch; gap: 2px; background: #171a1d; border: 1px solid rgba(255,255,255,.10); border-radius: 18px; box-shadow: 0 20px 50px rgba(0,0,0,.24); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 10px; border-radius: 10px; }
  .nav-links a:hover { background: rgba(255,255,255,.04); }
  .menu-toggle { display: inline-flex; }
  .navbar { height: 102px; }
  .brand img { height: 92px; }
  .nav-actions .btn { padding: 10px 12px; min-height: 42px; font-size: .8rem; }
}

@media (max-width: 680px) {
  .footer-logo img { height: 80px; }
  .nav-facebook { display: none; }
  .wrap, .narrow { width: min(100% - 24px, 1180px); }
  section { padding: 68px 0; }
  .hero { padding: 65px 0 88px; }
  .hero h1 { font-size: clamp(3rem,15vw,4.6rem); }
  .hero-proof { gap: 18px; }
  .energy-map { min-height: 360px; transform: none; }
  .energy-map::before { width: 310px; height: 310px; }
  .energy-map::after { width: 240px; height: 240px; }
  .energy-core { width: 188px; min-height: 140px; padding: 7px; border-radius: 25px; overflow: visible; }
  .energy-core img { position: absolute; left: 50%; top: 50%; width: 174px; max-width: none; margin: 0; transform: translate(-50%,-50%); }
  .energy-node { width: 112px; height: 86px; padding: 9px 10px; }
  .energy-node b { font-size: .76rem; }
  .energy-node span { font-size: .62rem; line-height: 1.28; }
  .energy-node.n1, .energy-node.n2 { top: 32px; }
  .energy-node.n3, .energy-node.n4 { bottom: 32px; }
  .energy-flow { opacity: .72; }
  .cards, .benefit-grid, .project-grid, .brand-wall, .steps, .form-row, .stat-row, .footer-grid { grid-template-columns: 1fr; }
  .brand-wall { grid-template-columns: repeat(2, 1fr); }
  .card { min-height: 240px; }
  .brand-badge { min-height: 126px; padding: 14px 10px 14px; grid-template-rows: 52px 24px; }
  .brand-logo-wrap { height: 52px; }
  .brand-logo { max-height: 28px; max-width: 88%; }
  .section-head h2 { font-size: clamp(2.3rem,11vw,3.25rem); }
  .contact-box, .tech-block { padding: 26px; border-radius: 24px; }
  .service-cta { grid-template-columns: 1fr; padding: 26px; }
  .sub-hero { padding: 62px 0 58px; }
  .sub-hero h1 { font-size: clamp(2.65rem,13vw,4.25rem); }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .flow-particle { display: none; }
}


/* =========================================================
   REALIZACJE – prawdziwa galeria zdjęć
   ========================================================= */
.project-card-photo { display: block; color: inherit; transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease; }
.project-card-photo:hover { transform: translateY(-5px); border-color: rgba(12,192,223,.34); box-shadow: var(--shadow); color: inherit; }
.project-photo { min-height: 255px; }
.project-photo::before, .project-photo::after { display: none; }
.project-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .42s ease; }
.project-card-photo:hover .project-photo img { transform: scale(1.045); }
.project-grid-photos { row-gap: 22px; }

.realizacje-hero .intro { max-width: 850px; }
.portfolio-jump { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.portfolio-jump a { display: inline-flex; align-items: center; min-height: 40px; padding: 9px 14px; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; color: #dbe2e5; background: rgba(255,255,255,.04); font-size: .82rem; transition: .2s ease; }
.portfolio-jump a:hover { color: var(--brand); border-color: rgba(12,192,223,.45); background: rgba(12,192,223,.07); }
.portfolio-section { scroll-margin-top: 108px; }
.portfolio-section-alt { background: linear-gradient(180deg,#f4f8fa 0%,#fff 100%); }
.portfolio-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.portfolio-grid-two { grid-template-columns: repeat(2,1fr); }
.portfolio-card { overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: var(--shadow-soft); transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease; }
.portfolio-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(12,192,223,.28); }
.gallery-shot { appearance: none; -webkit-appearance: none; display: block; width: 100%; border: 0; padding: 0; margin: 0; background: #111315; cursor: zoom-in; overflow: hidden; }
.gallery-shot img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease, filter .3s ease; }
.gallery-shot:hover img { transform: scale(1.035); filter: brightness(1.04); }
.gallery-shot:focus-visible { outline: 3px solid var(--brand); outline-offset: -3px; }
.portfolio-cover { height: 290px; }
.portfolio-thumbs { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; background: #fff; }
.portfolio-thumbs .gallery-shot { height: 92px; }
.portfolio-thumbs .gallery-shot:only-child { grid-column: 1 / -1; height: 110px; }
.portfolio-copy { padding: 23px 24px 25px; }
.portfolio-copy h3 { margin: 10px 0 9px; font-size: 1.35rem; }
.portfolio-copy p { margin: 0; color: var(--muted); font-size: .9rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.project-tags span { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: var(--brand-soft); color: #14798a; font-size: .68rem; font-weight: 700; letter-spacing: .035em; }

.masonry-gallery { display: grid; grid-template-columns: repeat(4,1fr); grid-auto-rows: 190px; gap: 10px; }
.masonry-gallery .gallery-shot { border-radius: 18px; }
.masonry-gallery .wide { grid-column: span 2; }
.detail-gallery { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; }
.detail-gallery .gallery-shot { height: 250px; border-radius: 18px; }

/* lightbox */
.photo-lightbox { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; padding: 30px 76px; background: rgba(4,6,7,.94); backdrop-filter: blur(10px); }
.photo-lightbox.open { display: flex; }
.photo-lightbox img { display: block; max-width: min(94vw,1600px); max-height: 88vh; object-fit: contain; border-radius: 12px; box-shadow: 0 30px 90px rgba(0,0,0,.55); }
.photo-lightbox button { position: absolute; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.17); background: rgba(255,255,255,.08); color: #fff; font-size: 1.6rem; cursor: pointer; }
.photo-lightbox button:hover { border-color: var(--brand); color: var(--brand); }
.lightbox-close { top: 22px; right: 22px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }
body.lightbox-lock { overflow: hidden; }

@media (max-width: 1020px) {
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .detail-gallery { grid-template-columns: repeat(3,1fr); }
  .masonry-gallery { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 680px) {
  .project-grid-photos, .portfolio-grid, .portfolio-grid-two { grid-template-columns: 1fr; }
  .project-photo { min-height: 220px; }
  .portfolio-cover { height: 250px; }
  .portfolio-thumbs .gallery-shot { height: 82px; }
  .masonry-gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 145px; gap: 7px; }
  .masonry-gallery .wide { grid-column: span 2; }
  .detail-gallery { grid-template-columns: 1fr 1fr; gap: 7px; }
  .detail-gallery .gallery-shot { height: 180px; }
  .photo-lightbox { padding: 64px 12px 20px; }
  .photo-lightbox img { max-width: 96vw; max-height: 78vh; }
  .lightbox-prev, .lightbox-next { top: auto; bottom: 18px; transform: none; }
  .lightbox-prev { left: calc(50% - 58px); }
  .lightbox-next { right: calc(50% - 58px); }
}

/* =========================================================
   HOME – premium portfolio / case studies
   ========================================================= */
.realizations-premium {
  background:
    radial-gradient(circle at 86% 12%, rgba(12,192,223,.07), transparent 24%),
    #fff;
}
.case-showcase {
  display: grid;
  grid-template-columns: minmax(0,1.35fr) minmax(300px,.65fr);
  gap: 18px;
  min-height: 650px;
}
.case-side-stack { display: grid; grid-template-rows: 1fr 1fr; gap: 18px; min-height: 0; }
.case-card {
  position: relative;
  display: block;
  min-height: 0;
  overflow: hidden;
  border-radius: 28px;
  color: #fff;
  background: #111315;
  border: 1px solid rgba(17,19,21,.08);
  box-shadow: 0 24px 60px rgba(17,19,21,.13);
  isolation: isolate;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.case-card > img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .65s cubic-bezier(.2,.7,.2,1), filter .35s ease;
}
.case-card:hover { transform: translateY(-5px); color: #fff; border-color: rgba(12,192,223,.42); box-shadow: 0 30px 72px rgba(17,19,21,.19); }
.case-card:hover > img { transform: scale(1.045); filter: saturate(1.04) contrast(1.02); }
.case-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(5,8,10,.03) 22%, rgba(6,9,11,.22) 49%, rgba(5,8,10,.92) 100%),
    linear-gradient(90deg, rgba(5,8,10,.17), transparent 60%);
}
.case-content {
  position: absolute; z-index: 2; left: 0; right: 0; bottom: 0;
  padding: 34px 34px 30px;
}
.case-featured .case-content { max-width: 720px; padding: 42px 42px 38px; }
.case-content h3 { margin: 13px 0 8px; font-size: clamp(1.45rem,2.4vw,2.35rem); color: #fff; }
.case-content p { max-width: 610px; margin: 0; color: #d7dee1; font-size: .91rem; }
.case-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.case-tags span {
  display: inline-flex; align-items: center; min-height: 29px; padding: 5px 10px;
  border-radius: 999px; border: 1px solid rgba(255,255,255,.20);
  background: rgba(9,13,15,.42); backdrop-filter: blur(10px);
  color: #eef7f9; font-size: .69rem; font-weight: 700; letter-spacing: .035em;
}
.case-tags span:first-child { color: #7ee8f7; border-color: rgba(12,192,223,.34); background: rgba(12,192,223,.10); }
.case-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 18px; color: #fff; font-size: .8rem; font-weight: 700; }
.case-link b { color: var(--brand); font-size: 1.05rem; transition: transform .22s ease; }
.case-card:hover .case-link b { transform: translateX(4px); }
.case-side .case-content { padding: 25px 26px 23px; }
.case-side .case-content h3 { font-size: 1.55rem; margin-bottom: 0; }
.case-side .case-link { margin-top: 12px; }
.case-mini-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 18px; }
.case-mini { height: 275px; border-radius: 24px; }
.case-mini .case-content { padding: 23px 24px 21px; }
.case-mini .case-content h3 { font-size: 1.22rem; margin-bottom: 0; }
.realizations-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  margin-top: 26px; padding: 22px 24px 22px 28px;
  border-radius: 22px; border: 1px solid var(--line); background: #f7f9fa;
}
.realizations-cta strong { display: block; font-size: .98rem; }
.realizations-cta span { display: block; margin-top: 3px; color: var(--muted); font-size: .82rem; }

/* Marki z już przypisaną konkretną realizacją */
.brand-badge.has-case::after {
  content: "realizacja";
  position: absolute; top: 10px; right: 10px; z-index: 2;
  padding: 4px 7px; border-radius: 999px;
  background: rgba(12,192,223,.10); border: 1px solid rgba(12,192,223,.25);
  color: #058da6; font-size: .58rem; font-weight: 700; letter-spacing: .045em; text-transform: uppercase;
}

/* Realizacje – karta bardziej w stylu case study */
.case-specs {
  display: grid; grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 8px; margin: 17px 0 15px;
}
.case-specs > div {
  min-width: 0; padding: 10px 11px; border-radius: 12px;
  background: #f5f8f9; border: 1px solid #e7edef;
}
.case-specs span { display: block; color: #7a878e; font-size: .59rem; text-transform: uppercase; letter-spacing: .065em; }
.case-specs b { display: block; margin-top: 4px; color: var(--ink); font-size: .76rem; line-height: 1.25; overflow-wrap: anywhere; }
.portfolio-card { scroll-margin-top: 112px; }
.portfolio-card .project-tags span:first-child { background: rgba(12,192,223,.10); color: #068ba2; border-color: rgba(12,192,223,.20); }

@media (max-width: 1020px) {
  .case-showcase { grid-template-columns: 1fr; min-height: 0; }
  .case-featured { height: 520px; }
  .case-side-stack { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .case-side { height: 320px; }
}

@media (max-width: 680px) {
  .case-featured { height: 430px; }
  .case-featured .case-content { padding: 27px 24px 24px; }
  .case-content p { font-size: .82rem; }
  .case-side-stack, .case-mini-grid { grid-template-columns: 1fr; }
  .case-side { height: 290px; }
  .case-mini { height: 250px; }
  .realizations-cta { align-items: stretch; flex-direction: column; }
  .realizations-cta .btn { width: 100%; }
  .case-specs { grid-template-columns: 1fr; }
}


/* =========================================================
   ZASILANIE AWARYJNE + REALIZACJE DODAWANE Z PANELU
   ========================================================= */
.energy-node .backup-label {
  font-size: .70rem;
  line-height: 1.12;
  max-width: 110px;
  text-transform: none;
}
.card-icon-backup {
  width: 86px;
  font-size: .62rem;
  line-height: 1.15;
  text-transform: lowercase;
}
.tech-metric .backup-label {
  font-size: 1.02rem;
  line-height: 1.12;
}
.user-home-realizations[hidden], .user-realizations-section[hidden] { display: none !important; }
.user-home-realizations { margin-top: 18px; }
.user-realization-card .portfolio-copy { min-height: 210px; }
.user-realization-card .portfolio-cover { position: relative; }
.user-realization-card .portfolio-cover::after {
  content: "powiększ";
  position: absolute; right: 12px; bottom: 12px;
  padding: 5px 8px; border-radius: 999px;
  background: rgba(8,12,14,.58); color: #fff;
  border: 1px solid rgba(255,255,255,.18);
  font-size: .58rem; font-weight: 700; letter-spacing: .04em;
  backdrop-filter: blur(8px);
}
@media (max-width: 680px) {
  .energy-node .backup-label { font-size: .58rem; max-width: 92px; }
  .card-icon-backup { width: 78px; font-size: .57rem; }
  .tech-metric .backup-label { font-size: .88rem; }
}