/* ==========================================================================
   Selemitor — strona /zerium/ (ładowana po site.css)
   Kolory z tokenów Zerium: cyjan #45C8F1, mięta #4DEFC6.
   ========================================================================== */

.zr-page {
  --zr-cyan: #45c8f1;
  --zr-mint: #4defc6;
  --zr-grad: linear-gradient(90deg, #4defc6 0%, #45c8f1 100%);
  --accent: var(--zr-cyan);
  --c: var(--zr-cyan);
}
.zr-page .kicker { color: var(--zr-cyan); }
.zr-accent { background: var(--zr-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.zr-hero { position: relative; padding-block: clamp(48px, 7vw, 88px) clamp(40px, 5vw, 64px); overflow: hidden; isolation: isolate; }
.zr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 55% 60% at 78% 40%, rgba(69, 200, 241, 0.14), transparent 65%),
    radial-gradient(ellipse 40% 40% at 70% 60%, rgba(77, 239, 198, 0.08), transparent 70%);
}
.zr-hero > .container:first-child { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.zr-hero h1 { font-size: clamp(38px, 5.2vw, 72px); max-width: 15ch; }
.zr-hero h1 .word { animation: rise 760ms var(--ease-out) both; animation-delay: calc(var(--i, 0) * 55ms); }
.zr-hero .lead { margin-top: 22px; animation: fade 700ms var(--ease-out) 320ms both; }
.zr-hero .actions { animation: fade 700ms var(--ease-out) 440ms both; }
.zr-hero .hero-status { animation: fade 700ms var(--ease-out) 540ms both; }

.zr-core { position: relative; justify-self: center; width: min(100%, 460px); aspect-ratio: 1; display: grid; place-items: center; animation: fade 900ms var(--ease-out) 200ms both; }
.zr-core::before { content: ""; position: absolute; inset: 8%; border-radius: 50%; background: radial-gradient(circle, rgba(77, 239, 198, 0.24) 0%, rgba(69, 200, 241, 0.1) 36%, transparent 70%); filter: blur(2px); animation: zr-breathe 5s ease-in-out infinite; }
.zr-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(69, 200, 241, 0.24); }
.zr-ring.r1 { inset: 4%; border-style: dashed; border-color: rgba(69, 200, 241, 0.3); animation: zr-spin 60s linear infinite; }
.zr-ring.r2 { inset: 17%; border-color: rgba(77, 239, 198, 0.28); animation: zr-spin 40s linear infinite reverse; }
.zr-ring.r3 { inset: 30%; border-color: rgba(69, 200, 241, 0.42); box-shadow: 0 0 40px rgba(69, 200, 241, 0.18), inset 0 0 30px rgba(69, 200, 241, 0.1); }
.zr-ring.r2::after { content: ""; position: absolute; top: 12%; left: 12%; width: 8px; height: 8px; border-radius: 50%; background: var(--zr-mint); box-shadow: 0 0 14px var(--zr-mint); }
.zr-node { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--zr-cyan); box-shadow: 0 0 0 4px rgba(69, 200, 241, 0.14), 0 0 18px var(--zr-cyan); }
.zr-node.n1 { top: 4%; left: 50%; transform: translate(-50%, -50%); }
.zr-node.n2 { top: 50%; right: 4%; transform: translate(50%, -50%); background: var(--zr-mint); box-shadow: 0 0 0 4px rgba(77, 239, 198, 0.14), 0 0 18px var(--zr-mint); }
.zr-node.n3 { bottom: 4%; left: 50%; transform: translate(-50%, 50%); }
.zr-node.n4 { top: 50%; left: 4%; transform: translate(-50%, -50%); background: var(--zr-mint); box-shadow: 0 0 0 4px rgba(77, 239, 198, 0.14), 0 0 18px var(--zr-mint); }
.zr-core-center { position: relative; display: grid; justify-items: center; gap: 14px; }
.zr-mark { width: clamp(84px, 13vw, 132px); height: auto; filter: drop-shadow(0 0 22px rgba(69, 200, 241, 0.45)); }
.zr-wordmark { font-family: var(--font-display); font-size: clamp(14px, 1.6vw, 18px); font-weight: 600; letter-spacing: 0.42em; padding-left: 0.42em; color: #e8f6ff; }
@keyframes zr-spin { to { transform: rotate(360deg); } }
@keyframes zr-breathe { 0%, 100% { opacity: 0.75; transform: scale(0.97); } 50% { opacity: 1; transform: scale(1.03); } }

.zr-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: clamp(36px, 5vw, 56px) 0 0; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; background: rgba(11, 20, 33, 0.7); }
.zr-facts > div { padding: 18px 22px; border-right: 1px solid var(--line); }
.zr-facts > div:last-child { border-right: 0; }
.zr-facts dt { color: var(--zr-cyan); }
.zr-facts dd { margin: 6px 0 0; color: var(--text); font-size: 15px; font-weight: 500; }

/* --------------------------------------------------------------------------
   Zrzut Mission Control z pochyleniem prostowanym przy przewijaniu
   -------------------------------------------------------------------------- */
.zr-shot { margin: 0; perspective: 1600px; }
.zr-window {
  --tilt: 0;
  border: 1px solid rgba(69, 200, 241, 0.3);
  border-radius: var(--radius-l);
  background: #050b10;
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02), 0 0 80px rgba(69, 200, 241, 0.12);
  transform: rotateX(calc(var(--tilt) * 22deg)) scale(calc(1 - var(--tilt) * 0.08)) translateY(calc(var(--tilt) * 24px));
  transform-origin: 50% 0%;
  will-change: transform;
}
.zr-window-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: rgba(11, 20, 33, 0.9); }
.zr-window-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.zr-window-bar span { margin-left: 10px; color: var(--muted); }
.zr-window img { display: block; width: 100%; height: auto; }
.zr-shot figcaption { margin-top: 14px; text-align: center; color: var(--muted); }

/* --------------------------------------------------------------------------
   Jak działa: łańcuch dowodów (przyklejony) + kroki
   -------------------------------------------------------------------------- */
.zr-flow { position: relative; padding-top: clamp(72px, 10vw, 128px); border-top: 1px solid var(--line); }
.zr-flow-grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(28px, 5vw, 72px); }
.zr-chain-sticky { position: sticky; top: calc(var(--header-h) + 24px); padding-block: 8px 40px; }
.zr-chain-label { color: var(--muted); margin-bottom: 16px; }
.zr-chain-label span { color: var(--muted); opacity: 0.7; }
.zr-chain { position: relative; display: grid; gap: 10px; }
.zr-chain::before { content: ""; position: absolute; left: 21px; top: 22px; bottom: 22px; width: 2px; background: var(--line); }
.zr-chain::after { content: ""; position: absolute; left: 21px; top: 22px; width: 2px; height: calc((100% - 44px) * var(--chain, 0)); background: var(--zr-grad); box-shadow: 0 0 12px rgba(77, 239, 198, 0.5); transition: height 300ms var(--ease-out); }
.zr-block { position: relative; z-index: 1; display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 10px 14px 10px 0; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--ink-2); opacity: 0.45; transition: opacity 400ms var(--ease-out), border-color 400ms var(--ease-out), box-shadow 400ms var(--ease-out), transform 400ms var(--ease-out); }
.zr-lock { display: grid; place-items: center; width: 30px; height: 30px; margin-left: 7px; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--ink); color: transparent; transition: background 400ms var(--ease-out), color 400ms var(--ease-out), border-color 400ms var(--ease-out); }
.zr-lock .ico { width: 15px; height: 15px; }
.zr-block-body { display: grid; gap: 2px; min-width: 0; }
.zr-block-body b { color: var(--text-2); font-weight: 500; }
.zr-block-body code { overflow: hidden; color: var(--text); font-family: var(--font-mono); font-size: 13px; white-space: nowrap; text-overflow: ellipsis; }
.zr-block-body small { color: var(--muted); font-size: 10px; letter-spacing: 0.04em; text-transform: none; }
.zr-state { padding: 3px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); white-space: nowrap; }
.zr-block.is-done, .zr-block.is-active { opacity: 1; }
.zr-block.is-done .zr-lock { background: rgba(77, 239, 198, 0.14); border-color: rgba(77, 239, 198, 0.5); color: var(--zr-mint); }
.zr-block.is-done .zr-state { color: var(--zr-mint); border-color: rgba(77, 239, 198, 0.35); }
.zr-block.is-active { border-color: rgba(69, 200, 241, 0.6); box-shadow: 0 0 0 1px rgba(69, 200, 241, 0.2), 0 0 32px rgba(69, 200, 241, 0.16); transform: translateX(6px); }
.zr-block.is-active .zr-lock { border-color: var(--zr-cyan); color: var(--zr-cyan); background: rgba(69, 200, 241, 0.12); animation: zr-seal 1.2s var(--ease-out) both; }
.zr-block.is-active .zr-state { color: var(--zr-cyan); border-color: rgba(69, 200, 241, 0.45); }
@keyframes zr-seal { 0% { box-shadow: 0 0 0 0 rgba(69, 200, 241, 0.55); } 100% { box-shadow: 0 0 0 14px rgba(69, 200, 241, 0); } }

.zr-steps { display: grid; padding-bottom: 12vh; }
.zr-step { display: grid; align-content: center; gap: 14px; min-height: 62svh; padding-block: 6vh; opacity: 0.55; transition: opacity 400ms var(--ease-out); }
.zr-step.is-active { opacity: 1; }
.zr-step-index { color: var(--zr-cyan); }
.zr-step h3 { font-size: clamp(28px, 3.2vw, 40px); }
.zr-step p { max-width: 50ch; color: var(--text-2); font-size: 17px; }
.zr-inline-proof { display: none; }

/* --------------------------------------------------------------------------
   Zasada: słowa podświetlane przewijaniem
   -------------------------------------------------------------------------- */
.zr-statement-section { padding-block: clamp(96px, 14vw, 180px); }
.zr-statement { max-width: 22ch; margin: 0; font-family: var(--font-display); font-size: clamp(34px, 5.4vw, 72px); font-weight: 700; line-height: 1.08; letter-spacing: -0.025em; text-wrap: balance; }
.zr-statement span { color: rgba(234, 240, 247, 0.16); transition: color 380ms var(--ease-out), text-shadow 380ms var(--ease-out); }
.zr-statement span.is-lit { color: var(--text); }
.zr-statement span.is-key.is-lit { background: var(--zr-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* --------------------------------------------------------------------------
   Granice, role, historia
   -------------------------------------------------------------------------- */
.zr-limits { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); }
.zr-limit { padding: var(--pad); }
.zr-limit h3 { display: flex; align-items: center; gap: 10px; font-size: 22px; }
.zr-limit.no h3 .ico { color: var(--bad); }
.zr-limit.yes h3 .ico { color: var(--zr-mint); }
.zr-limit.no { border-top: 2px solid var(--bad); }
.zr-limit.yes { border-top: 2px solid var(--zr-mint); }
.zr-limit ul { display: grid; gap: 12px; margin-top: 18px; }
.zr-limit li { position: relative; padding-left: 20px; color: var(--text-2); font-size: 16px; }
.zr-limit li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 9px; height: 2px; background: currentColor; opacity: 0.6; }
.zr-limit.no li::before { background: var(--bad); opacity: 1; }
.zr-limit.yes li::before { background: var(--zr-mint); opacity: 1; }

.zr-roles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap-s); }
.zr-role { --c: var(--zr-cyan); display: grid; align-content: start; gap: 10px; padding: var(--pad-s) 20px; }
.zr-role.human { grid-column: span 2; --c: var(--zr-mint); background: linear-gradient(140deg, rgba(77, 239, 198, 0.1), transparent 60%), var(--ink-2); border-color: rgba(77, 239, 198, 0.35); }
.zr-role-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.zr-role h3 { font-size: 19px; }
.zr-role-top .mono { color: var(--c); }
.zr-role p { color: var(--text-2); font-size: 14px; }
.zr-role-not { padding-top: 10px; border-top: 1px dashed var(--line-strong); color: var(--muted) !important; font-size: 13px !important; }
.zr-role-not b { color: var(--text-2); font-weight: 600; }

.zr-timeline { position: relative; display: grid; gap: 0; padding-left: 26px; }
.zr-timeline::before { content: ""; position: absolute; left: 6px; top: 10px; bottom: 10px; width: 2px; background: var(--zr-grad); opacity: 0.6; }
.zr-timeline > div { position: relative; padding: 0 0 26px; }
.zr-timeline > div:last-child { padding-bottom: 0; }
.zr-timeline > div::before { content: ""; position: absolute; left: -26px; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: var(--ink); border: 2px solid var(--zr-cyan); box-shadow: 0 0 12px rgba(69, 200, 241, 0.4); }
.zr-timeline > div:last-child::before { border-color: var(--zr-mint); background: var(--zr-mint); }
.zr-timeline .mono { color: var(--zr-cyan); }
.zr-timeline strong { display: block; margin-top: 6px; font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.zr-timeline p { margin-top: 4px; color: var(--text-2); font-size: 15px; }

/* --------------------------------------------------------------------------
   Responsywność i ruch
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .zr-roles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .zr-hero > .container:first-child { grid-template-columns: 1fr; }
  .zr-core { width: min(100%, 320px); order: -1; }
  .zr-facts { grid-template-columns: 1fr; }
  .zr-facts > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .zr-facts > div:last-child { border-bottom: 0; }
  .zr-flow-grid { grid-template-columns: 1fr; }
  .zr-chain-wrap { display: none; }
  .zr-step { min-height: 0; padding-block: 24px 32px; opacity: 1; border-top: 1px solid var(--line); }
  .zr-steps { padding-bottom: 40px; }
  .zr-inline-proof { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--muted); }
  .zr-inline-proof span { padding: 3px 8px; border: 1px solid rgba(77, 239, 198, 0.4); border-radius: 999px; color: var(--zr-mint); }
  .zr-inline-proof code { font-family: var(--font-mono); font-size: 12px; text-transform: none; letter-spacing: 0; }
  .zr-limits { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .zr-core { width: min(100%, 260px); }
  .zr-roles { grid-template-columns: 1fr; }
  .zr-role.human { grid-column: auto; }
  .zr-window-bar span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .zr-window { transform: none !important; }
  .zr-ring, .zr-core::before { animation: none !important; }
  .zr-statement span { color: var(--text); }
}