:root {
  color-scheme: dark;
  --ink: #050b12;
  --panel: #0b1722;
  --line: rgba(180, 227, 244, .22);
  --text: #eef8fb;
  --muted: #a8bbc4;
  --cyan: #72ecf4;
  --amber: #ffbc63;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, sans-serif; background: var(--ink); color: var(--text); letter-spacing: 0; }
a { color: inherit; }
.public-body { overflow-x: hidden; }
.public-nav {
  position: fixed; z-index: 20; top: 18px; left: 50%; transform: translateX(-50%);
  width: min(1180px, calc(100% - 32px)); min-height: 60px; padding: 8px 10px 8px 14px;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px;
  border: 1px solid var(--line); border-radius: 8px; background: rgba(7, 18, 27, .78);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .3); backdrop-filter: blur(18px);
}
.public-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 20px; }
.public-brand-mark { width: 38px; height: 38px; display: block; object-fit: contain; filter: drop-shadow(0 5px 14px rgba(22,137,255,.22)); }
.public-nav nav { display: flex; justify-content: center; gap: 26px; }
.public-nav nav a, .text-link, .language-switch { color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 750; }
.public-nav nav a:hover, .text-link:hover, .language-switch:hover { color: var(--text); }
.public-nav-actions { display: flex; align-items: center; gap: 14px; }
.button {
  min-height: 46px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(185, 255, 255, .72); border-radius: 7px; background: var(--cyan); color: #041016;
  text-decoration: none; font: inherit; font-weight: 900; box-shadow: 0 12px 30px rgba(91, 229, 240, .18); cursor: pointer;
}
.button:hover { background: #a4f8fb; transform: translateY(-1px); }
.button-small { min-height: 38px; padding: 0 14px; font-size: 13px; }
.button-secondary { background: rgba(7, 18, 27, .72); color: var(--text); box-shadow: none; border-color: var(--line); }
.public-hero { position: relative; min-height: 94vh; overflow: hidden; display: flex; align-items: flex-end; padding: 140px max(24px, calc((100vw - 1180px) / 2)) 11vh; }
.public-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .86; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3, 9, 15, .98) 0%, rgba(3, 9, 15, .72) 42%, rgba(3, 9, 15, .08) 78%), linear-gradient(0deg, #050b12 0%, transparent 34%); }
.hero-copy { position: relative; z-index: 2; width: min(720px, 100%); }
.public-eyebrow { margin: 0 0 14px; color: var(--amber); font-size: 12px; line-height: 1.2; text-transform: uppercase; font-weight: 950; }
h1, h2 { margin: 0; max-width: 900px; letter-spacing: 0; line-height: 1.02; }
h1 { font-size: clamp(48px, 7vw, 94px); }
h2 { font-size: clamp(38px, 5vw, 70px); }
.hero-copy > p:not(.public-eyebrow), .section-heading > p:not(.public-eyebrow), .mobile-copy > p:not(.public-eyebrow), .proof-intro > p:not(.public-eyebrow), .public-final p {
  max-width: 680px; color: var(--muted); font-size: clamp(17px, 2vw, 21px); line-height: 1.6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-status { position: absolute; z-index: 2; right: max(24px, calc((100vw - 1180px) / 2)); bottom: 11vh; display: flex; flex-direction: column; gap: 10px; color: var(--muted); font-size: 12px; font-weight: 800; }
.hero-status span, .signal-strip span { display: flex; align-items: center; gap: 8px; }
.status-dot { width: 8px; height: 8px; display: inline-block; border-radius: 50%; box-shadow: 0 0 18px currentColor; animation: pulse 2.3s infinite; }
.cyan { color: var(--cyan); background: var(--cyan); }.amber { color: var(--amber); background: var(--amber); }.white { color: #eaf7fb; background: #eaf7fb; }
.hero-route { position: absolute; z-index: 1; height: 2px; border-radius: 2px; opacity: .78; transform-origin: left; animation: route 7s ease-in-out infinite; }
.route-one { width: 42vw; right: -4vw; top: 36%; rotate: -14deg; background: var(--cyan); box-shadow: 0 0 22px var(--cyan); }
.route-two { width: 32vw; right: 8vw; top: 51%; rotate: 18deg; background: var(--amber); box-shadow: 0 0 22px var(--amber); animation-delay: -3s; }
.public-proof { padding: 120px max(24px, calc((100vw - 1180px) / 2)); background: #050b12; }
.proof-intro { display: grid; grid-template-columns: .65fr 1.35fr; column-gap: 40px; align-items: start; }
.proof-intro .public-eyebrow { grid-column: 1; }
.proof-intro h2 { grid-column: 2; grid-row: 1 / span 2; }
.proof-intro > p:last-child { grid-column: 2; }
.proof-grid { margin-top: 80px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-grid article { min-height: 180px; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.proof-grid article:last-child { border-right: 0; }
.proof-grid span { color: var(--cyan); font-size: 12px; font-weight: 900; }
.proof-grid strong { margin-top: auto; font-size: 22px; }
.proof-grid p { margin: 8px 0 0; color: var(--muted); line-height: 1.5; }
.city-network { padding: 120px max(24px, calc((100vw - 1180px) / 2)); background: #07121c; }
.city-network-heading { display: grid; grid-template-columns: .65fr 1.35fr; column-gap: 40px; align-items: start; margin-bottom: 60px; }
.city-network-heading .public-eyebrow { grid-column: 1; }
.city-network-heading h2 { grid-column: 2; grid-row: 1 / span 2; }
.city-network-heading > p:last-child { grid-column: 2; max-width: 680px; color: var(--muted); font-size: 18px; line-height: 1.6; }
.city-network-list { border-top: 1px solid var(--line); }
.city-network-row { min-height: 230px; display: grid; grid-template-columns: 70px minmax(200px, .8fr) minmax(260px, 1.1fr) minmax(360px, 1.5fr); gap: 24px; align-items: center; border-bottom: 1px solid var(--line); }
.city-network-index { align-self: start; padding-top: 28px; color: var(--muted); font-size: 11px; font-weight: 900; }
.city-network-name span { display: inline-flex; align-items: center; gap: 7px; color: var(--cyan); font-size: 11px; font-weight: 900; text-transform: uppercase; }
.city-network-name span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); }
.city-network-row.is-preparing .city-network-name span { color: var(--amber); }
.city-network-row.is-preparing .city-network-name span::before { background: var(--amber); box-shadow: 0 0 16px var(--amber); }
.city-network-name h3 { margin: 9px 0 0; font-size: clamp(34px, 4vw, 58px); line-height: 1; }
.city-constellation { position: relative; width: 240px; height: 150px; justify-self: center; }
.city-orbit { position: absolute; inset: 15px 22px; border: 1px solid rgba(114, 236, 244, .18); border-radius: 50%; rotate: -12deg; }
.city-orbit::before, .city-orbit::after { content: ""; position: absolute; left: 50%; top: 50%; width: 84%; height: 1px; background: rgba(114, 236, 244, .14); transform-origin: left; }
.city-orbit::after { rotate: 62deg; }
.city-node { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.node-0 { left: 49%; top: 48%; }.node-1 { left: 20%; top: 30%; }.node-2 { left: 75%; top: 22%; }.node-3 { left: 67%; top: 68%; }
.node-4 { left: 30%; top: 72%; }.node-5 { left: 88%; top: 47%; }.node-6 { left: 8%; top: 55%; }.node-7 { left: 46%; top: 12%; }
.node-8 { left: 52%; top: 84%; }.node-9 { left: 78%; top: 82%; }.node-10 { left: 16%; top: 12%; }.node-11 { left: 92%; top: 18%; }
.city-network-stats { margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.city-network-stats div { min-height: 112px; padding: 15px; display: flex; flex-direction: column-reverse; justify-content: space-between; background: #091722; }
.city-network-stats dt { color: var(--muted); font-size: 10px; line-height: 1.35; text-transform: uppercase; font-weight: 900; }
.city-network-stats dd { margin: 0; font-size: 36px; font-weight: 900; }
.product-band { padding: 120px 0; background: #091521; }
.section-heading { width: min(1180px, calc(100% - 48px)); margin: 0 auto 60px; }
.desktop-stage { width: min(1500px, calc(100% - 32px)); margin: 0 auto; }
.desktop-stage img { width: 100%; display: block; border: 1px solid rgba(181, 233, 249, .28); border-radius: 8px; box-shadow: 0 40px 100px rgba(0, 0, 0, .55); }
.desktop-stage figcaption { margin-top: 12px; color: var(--muted); font-size: 11px; text-transform: uppercase; font-weight: 900; }
.mobile-band { min-height: 850px; padding: 110px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 1fr .75fr; gap: 80px; align-items: center; background: #06101a; }
.mobile-copy { max-width: 650px; }
.signal-strip { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.signal-strip span { padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); background: rgba(255,255,255,.025); font-size: 12px; font-weight: 800; }
.phone-stage { margin: 0; display: grid; place-items: center; }
.phone-shell { width: min(340px, 78vw); padding: 9px; border: 1px solid rgba(204, 238, 249, .3); border-radius: 38px; background: #111c2c; box-shadow: 0 42px 90px rgba(0,0,0,.58), 0 0 70px rgba(114, 236, 244, .08); }
.phone-shell img { display: block; width: 100%; border-radius: 31px; }
.public-final { position: relative; min-height: 580px; padding: 130px max(24px, calc((100vw - 1180px) / 2)); display: grid; place-items: center; text-align: center; overflow: hidden; background: #0a1823; }
.public-final > div:last-child { position: relative; z-index: 2; display: grid; justify-items: center; }
.final-route { position: absolute; width: min(900px, 90vw); height: min(900px, 90vw); border: 1px solid rgba(114,236,244,.24); border-radius: 50%; box-shadow: 0 0 90px rgba(114,236,244,.08), inset 0 0 90px rgba(114,236,244,.06); }
.public-final .button { margin-top: 20px; }
.public-footer { min-height: 110px; padding: 28px max(24px, calc((100vw - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); background: #050b12; color: var(--muted); font-size: 13px; }
.public-footer a:last-child { color: var(--text); font-weight: 800; }
.reveal { opacity: 1; transform: translateY(0); }
.reveal-ready .reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.reveal-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
.registration-body { min-height: 100vh; background: #07111b; }
.registration-layout { min-height: 100vh; padding: 36px max(24px, calc((100vw - 1100px) / 2)); display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto 1fr auto; gap: 50px; align-items: center; background-image: linear-gradient(rgba(7,17,27,.80), rgba(7,17,27,.94)), url("/public/assets/olsztyn-map.png"); background-size: cover; background-position: center; }
.registration-layout > .public-brand { grid-column: 1 / -1; align-self: start; }
.registration-copy h1 { font-size: clamp(42px, 6vw, 76px); }
.registration-copy > p:last-child { color: var(--muted); font-size: 18px; line-height: 1.6; }
.registration-form { padding: 24px; display: grid; gap: 16px; border: 1px solid var(--line); border-radius: 8px; background: rgba(7, 17, 27, .86); backdrop-filter: blur(18px); }
.registration-form label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.registration-form input, .registration-form select { width: 100%; min-height: 48px; padding: 0 13px; border: 1px solid var(--line); border-radius: 6px; background: #071421; color: var(--text); font: inherit; }
.registration-form > a { text-align: center; color: var(--muted); font-size: 13px; }
.registration-status { margin: 0; padding: 12px; border: 1px solid rgba(114,236,244,.35); color: var(--cyan); }
.registration-error { margin: 0; padding: 12px; border: 1px solid rgba(255,140,120,.45); color: #ffb0a1; }
.registration-back { color: var(--muted); font-size: 13px; }
.subscription-card { padding: 26px; display: grid; gap: 16px; border: 1px solid var(--line); border-radius: 8px; background: rgba(7, 17, 27, .88); backdrop-filter: blur(18px); }
.subscription-card > span { color: var(--cyan); font-weight: 900; text-transform: uppercase; }
.subscription-card > strong { font-size: 40px; }
.subscription-card p, .subscription-card small, .subscription-card a { color: var(--muted); }
@keyframes pulse { 50% { opacity: .42; transform: scale(.8); } }
@keyframes route { 50% { transform: scaleX(.72); opacity: .3; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } .reveal { opacity: 1; transform: none; } }
@media (max-width: 900px) {
  .public-nav { grid-template-columns: minmax(0, 1fr) auto; gap: 8px; max-width: calc(100vw - 20px); }
  .public-nav nav { display: none; }
  .public-nav-actions { grid-column: 2; justify-content: flex-end; min-width: 0; }
  .public-nav-actions .text-link { display: none; }
  .public-hero { min-height: 88vh; padding-bottom: 80px; }
  .hero-status { display: none; }
  h1 { font-size: clamp(44px, 13vw, 68px); }
  .proof-intro, .city-network-heading, .mobile-band, .registration-layout { grid-template-columns: 1fr; }
  .proof-intro h2, .proof-intro > p:last-child, .proof-intro .public-eyebrow { grid-column: 1; grid-row: auto; }
  .city-network-heading h2, .city-network-heading > p:last-child, .city-network-heading .public-eyebrow { grid-column: 1; grid-row: auto; }
  .city-network-row { grid-template-columns: 44px 1fr; padding: 26px 0; }
  .city-network-index { padding-top: 8px; }
  .city-constellation, .city-network-stats { grid-column: 2; justify-self: stretch; }
  .city-constellation { width: min(300px, 100%); }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-grid article:last-child { border-bottom: 0; }
  .mobile-band { gap: 40px; }
  .public-footer { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .public-nav { top: 10px; width: calc(100% - 20px); }
  .public-brand strong { font-size: 17px; }
  .language-switch { display: none; }
  .button-small { padding: 0 10px; }
  .public-hero h1 { font-size: 50px; line-height: 1.08; overflow-wrap: anywhere; }
  .public-proof, .city-network, .mobile-band, .public-final { padding-left: 20px; padding-right: 20px; }
  .city-network-stats { grid-template-columns: 1fr; }
  .city-network-stats div { min-height: 76px; flex-direction: row; align-items: center; }
}