/* =====================================================================
   AI pre všetkých — aiweb.palus.sk
   Čisté CSS (Bootstrap 5 z CDN len na grid/utility/accordion/navbar).
   ===================================================================== */
:root {
  --bg: #05060a;
  --bg-2: #090b12;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #eef1f7;
  --muted: #9aa3b5;
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --gold: #fbbf24;
  --rose: #fb7185;
  --green: #34d399;
  --grad: linear-gradient(120deg, #22d3ee 0%, #a78bfa 50%, #fbbf24 100%);
  --grad-soft: linear-gradient(120deg, rgba(34, 211, 238, .18), rgba(167, 139, 250, .18));
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 22px;
  --radius-sm: 14px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --nav-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(34, 211, 238, .35); color: #fff; }
a { color: var(--cyan); text-decoration: none; }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
code { font-family: var(--mono); font-size: .85em; background: rgba(255,255,255,.08); padding: .1em .4em; border-radius: 6px; color: #dbeafe; }
.tiny { font-size: .8rem; color: var(--muted); margin: .8rem 0 0; }
.narrow { max-width: 880px; }

/* ---------- globálne efekty ---------- */
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.progress-bar-top {
  position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 1100;
  background: var(--grad); transform-origin: 0 50%; transform: scaleX(0);
}
.cursor-glow {
  position: fixed; left: 0; top: 0; width: 520px; height: 520px; z-index: 0; pointer-events: none;
  border-radius: 50%; opacity: 0; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(34, 211, 238, .16) 0%, rgba(167, 139, 250, .08) 35%, transparent 65%);
  transition: opacity .6s;
}
body.has-cursor .cursor-glow { opacity: 1; }
.glow-blob {
  position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0; opacity: .55;
  animation: blobFloat 18s ease-in-out infinite alternate;
}
.blob-1 { width: 620px; height: 620px; right: -200px; top: -100px; background: radial-gradient(circle, rgba(167,139,250,.35), transparent 65%); }
.blob-2 { width: 700px; height: 700px; left: -260px; bottom: -200px; background: radial-gradient(circle, rgba(34,211,238,.28), transparent 65%); animation-delay: -6s; }
.blob-3 { width: 800px; height: 800px; right: -300px; top: 30%; background: radial-gradient(circle, rgba(251,191,36,.18), transparent 65%); animation-delay: -12s; }
@keyframes blobFloat { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(60px, -40px, 0) scale(1.15); } }

/* ---------- typografia ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 1rem;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2s infinite; }
.grad-text {
  background: var(--grad); background-size: 200% 200%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: gradShift 6s ease infinite;
}
@keyframes gradShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.display-title { font-size: clamp(2.3rem, 5vw, 4.2rem); margin: 0 0 1.2rem; }
.section-title { font-size: clamp(2rem, 4vw, 3.3rem); margin: 0 0 1.2rem; }
.lead-text, .section-lead { font-size: clamp(1.05rem, 1.35vw, 1.25rem); color: var(--muted); max-width: 720px; }
.lead-text strong, .section-lead strong { color: var(--text); }
.section { position: relative; padding: clamp(80px, 10vw, 140px) 0; }
.section-head { max-width: 860px; margin: 0 auto clamp(40px, 5vw, 72px); text-align: center; }
.section-head .section-lead { margin: 0 auto; }

/* split-text (JS obalí písmená do spanov) */
.split .w { display: inline-block; white-space: nowrap; }
.split .ch { display: inline-block; opacity: 0; transform: translateY(.6em) rotate(6deg); transition: opacity .6s var(--ease), transform .7s var(--ease); }
.split.in .ch { opacity: 1; transform: none; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .9s var(--ease); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- tlačidlá ---------- */
.btn { border-radius: 999px; font-weight: 700; letter-spacing: .01em; transition: transform .25s var(--ease), box-shadow .3s, background .3s, border-color .3s; }
.btn-lg { padding: .95rem 1.7rem; font-size: 1.05rem; }
.btn-glow {
  position: relative; overflow: hidden; color: #061018; border: 0;
  background: linear-gradient(120deg, #67e8f9, #22d3ee 40%, #a78bfa);
  box-shadow: 0 10px 40px -10px rgba(34, 211, 238, .7), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-glow::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%); transform: translateX(-120%); transition: transform .8s var(--ease); }
.btn-glow:hover { color: #061018; transform: translateY(-2px); box-shadow: 0 18px 50px -12px rgba(34, 211, 238, .9); }
.btn-glow:hover::after { transform: translateX(120%); }
.btn-glow .arrow { display: inline-block; transition: transform .3s var(--ease); }
.btn-glow:hover .arrow { transform: translateX(4px); }
.btn-ghost { color: var(--text); border: 1px solid var(--border-strong); background: rgba(255,255,255,.04); backdrop-filter: blur(8px); }
.btn-ghost:hover { color: #fff; border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.09); transform: translateY(-2px); }

/* ---------- nav ---------- */
.site-nav { padding: 14px 0; transition: background .4s, padding .4s, box-shadow .4s, border-color .4s; border-bottom: 1px solid transparent; z-index: 1050; }
.site-nav.scrolled { padding: 8px 0; background: rgba(5, 6, 10, .72); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-color: var(--border); box-shadow: 0 10px 40px -20px rgba(0,0,0,.8); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.15rem; color: #fff; letter-spacing: -.01em; }
.brand em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-mark { width: 26px; height: 26px; border-radius: 50%; background: conic-gradient(from 180deg, #22d3ee, #a78bfa, #fbbf24, #22d3ee); box-shadow: 0 0 20px rgba(34,211,238,.6); animation: spin 8s linear infinite; position: relative; }
.brand-mark::after { content: ""; position: absolute; inset: 6px; border-radius: 50%; background: var(--bg); }
@keyframes spin { to { transform: rotate(360deg); } }
.site-nav .nav-link { color: var(--muted); font-weight: 600; font-size: .95rem; padding: .5rem .8rem; position: relative; }
.site-nav .nav-link::after { content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .25rem; height: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.site-nav .nav-link:hover, .site-nav .nav-link.active { color: #fff; }
.site-nav .nav-link:hover::after, .site-nav .nav-link.active::after { transform: scaleX(1); }
.navbar-toggler { border-color: var(--border-strong); }
.navbar-collapse.show, .navbar-collapse.collapsing { background: rgba(5,6,10,.95); margin: 12px -12px 0; padding: 12px 20px 20px; border-radius: 16px; border: 1px solid var(--border); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: calc(var(--nav-h) + 36px) 0 80px; overflow: hidden; isolation: isolate; }
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .75; filter: saturate(1.15); }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-shade { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 40%, rgba(5,6,10,.25), rgba(5,6,10,.9) 70%), linear-gradient(to bottom, rgba(5,6,10,.35), var(--bg) 96%); }
.hero-inner { position: relative; }
.hero-typed {
  font-family: var(--mono); font-size: clamp(.95rem, 1.4vw, 1.15rem); color: #c7f9ff;
  background: rgba(8, 12, 20, .55); border: 1px solid rgba(34,211,238,.25); border-radius: 12px; padding: .8rem 1.1rem;
  display: inline-flex; gap: .5rem; align-items: center; margin: 1.4rem 0 2rem; min-height: 3.2rem; max-width: 100%;
  box-shadow: 0 0 40px -10px rgba(34,211,238,.35); backdrop-filter: blur(6px);
}
.hero-typed .prompt-sign { color: var(--cyan); }
.hero-typed .caret { width: 9px; height: 1.2em; background: var(--cyan); display: inline-block; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 2.6rem; }
.hero-stats { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; max-width: 760px; }
.hero-stats li { display: flex; flex-direction: column; gap: .15rem; padding-left: 1rem; border-left: 1px solid var(--border-strong); }
.hero-stats strong { font-size: clamp(1.4rem, 2.2vw, 1.9rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.hero-stats span:not([data-count]) { color: var(--muted); font-size: .85rem; }
.hero-card { position: relative; perspective: 1000px; }
.chat-window { border-radius: var(--radius); background: rgba(12, 15, 24, .75); border: 1px solid var(--border-strong); backdrop-filter: blur(14px); box-shadow: 0 40px 80px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.04) inset; overflow: hidden; transform-style: preserve-3d; }
.chat-head, .terminal-head { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: .8rem; color: var(--muted); }
.chat-head span, .terminal-head span { width: 11px; height: 11px; border-radius: 50%; background: #3a3f4d; }
.chat-head span:nth-child(1), .terminal-head span:nth-child(1) { background: #ff5f57; }
.chat-head span:nth-child(2), .terminal-head span:nth-child(2) { background: #febc2e; }
.chat-head span:nth-child(3), .terminal-head span:nth-child(3) { background: #28c840; }
.chat-head em, .terminal-head em { margin-left: auto; font-style: normal; font-family: var(--mono); }
.chat-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.msg { padding: .75rem 1rem; border-radius: 16px; font-size: .95rem; line-height: 1.5; max-width: 92%; }
.msg.user { background: rgba(34,211,238,.14); border: 1px solid rgba(34,211,238,.25); align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.ai { background: rgba(255,255,255,.06); border: 1px solid var(--border); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.live { align-self: flex-start; background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.35); color: #a7f3d0; font-family: var(--mono); font-size: .85rem; display: flex; align-items: center; gap: .5rem; }
.msg.faded { opacity: .55; }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(52,211,153,.7); animation: pulseRing 1.8s infinite; display: inline-block; }
@keyframes pulseRing { 0% { box-shadow: 0 0 0 0 rgba(52,211,153,.7); } 100% { box-shadow: 0 0 0 12px rgba(52,211,153,0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.float-chip { position: absolute; padding: .5rem .9rem; border-radius: 999px; background: rgba(12,15,24,.85); border: 1px solid var(--border-strong); font-size: .85rem; font-weight: 700; box-shadow: 0 20px 40px -20px rgba(0,0,0,.9); animation: floatY 6s ease-in-out infinite; transform: translateZ(40px); }
.chip-a { top: -18px; left: -30px; }
.chip-b { right: -24px; top: 38%; animation-delay: -2s; }
.chip-c { bottom: -18px; left: 12%; animation-delay: -4s; }
@keyframes floatY { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }
.scroll-hint { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.35); border-radius: 14px; display: block; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: #fff; animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(16px); } }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); padding: 14px 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 2.5rem; width: max-content; animation: marquee 40s linear infinite; }
.marquee-track span { font-weight: 700; color: var(--muted); font-size: .95rem; white-space: nowrap; letter-spacing: .04em; text-transform: uppercase; }
.marquee-track span::before { content: "✦"; color: var(--cyan); margin-right: 2.5rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- problém ---------- */
.compare-card { height: 100%; border-radius: var(--radius); padding: 24px; border: 1px solid var(--border); background: var(--surface); position: relative; overflow: hidden; }
.compare-card.bad { border-color: rgba(251,113,133,.35); box-shadow: inset 0 0 80px -40px rgba(251,113,133,.4); }
.compare-card.good { border-color: rgba(52,211,153,.4); box-shadow: inset 0 0 80px -40px rgba(52,211,153,.5); }
.compare-label { display: inline-block; font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; padding: .3rem .7rem; border-radius: 999px; margin-bottom: 1rem; }
.bad .compare-label { background: rgba(251,113,133,.18); color: #fecdd3; }
.good .compare-label { background: rgba(52,211,153,.18); color: #a7f3d0; }
.fake-chat { display: flex; flex-direction: column; gap: 10px; position: relative; min-height: 230px; }
.compare-note { margin: 1.2rem 0 0; color: var(--muted); font-weight: 600; }
.code-fall { position: relative; height: 70px; overflow: hidden; font-family: var(--mono); font-size: .78rem; color: #fda4af; }
.code-fall span { position: absolute; top: -20px; opacity: 0; animation: fall 4s linear infinite; }
.code-fall span:nth-child(1) { left: 4%; animation-delay: 0s; }
.code-fall span:nth-child(2) { left: 30%; animation-delay: .7s; }
.code-fall span:nth-child(3) { left: 55%; animation-delay: 1.4s; }
.code-fall span:nth-child(4) { left: 12%; animation-delay: 2.1s; }
.code-fall span:nth-child(5) { left: 70%; animation-delay: 2.8s; }
.code-fall span:nth-child(6) { left: 40%; animation-delay: 3.4s; }
@keyframes fall { 0% { transform: translateY(0) rotate(0); opacity: 0; } 15% { opacity: .9; } 100% { transform: translateY(90px) rotate(-8deg); opacity: 0; } }
.browser-mock { border-radius: 12px; border: 1px solid var(--border-strong); background: #0b0e16; overflow: hidden; transform: translateY(10px); animation: popIn .8s var(--ease) both; }
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--border); font-family: var(--mono); font-size: .7rem; color: #a7f3d0; }
.browser-bar i { width: 8px; height: 8px; border-radius: 50%; background: #3a3f4d; }
.browser-bar span { margin-left: 8px; background: rgba(255,255,255,.06); border-radius: 6px; padding: 2px 8px; flex: 1; }
.browser-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.sk-line { height: 8px; border-radius: 4px; background: linear-gradient(90deg, rgba(255,255,255,.08), rgba(255,255,255,.2), rgba(255,255,255,.08)); background-size: 200% 100%; animation: shimmer 1.8s linear infinite; }
.sk-block { height: 46px; border-radius: 8px; background: var(--grad-soft); }
.w60 { width: 60%; } .w90 { width: 90%; } .w40 { width: 40%; }
@keyframes shimmer { to { background-position: -200% 0; } }
@keyframes popIn { from { opacity: 0; transform: translateY(20px) scale(.96); } to { opacity: 1; transform: none; } }
.pain { padding: 26px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); height: 100%; transition: transform .4s var(--ease), border-color .4s, background .4s; }
.pain:hover { transform: translateY(-6px); border-color: var(--border-strong); background: var(--surface-2); }
.pain-icon { font-size: 1.8rem; margin-bottom: .8rem; }
.pain h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.pain p { color: var(--muted); margin: 0; font-size: .97rem; }

/* ---------- riešenie / terminál ---------- */
.section-solution { overflow: hidden; }
.steps-mini { display: flex; flex-direction: column; gap: 14px; margin-top: 1.5rem; }
.step-mini { display: flex; gap: 14px; align-items: center; }
.step-mini span { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: var(--grad); color: #061018; flex: none; box-shadow: 0 0 24px -6px rgba(34,211,238,.8); }
.step-mini b { display: block; }
.step-mini small { color: var(--muted); }
.terminal { border-radius: var(--radius); border: 1px solid var(--border-strong); background: rgba(6, 8, 14, .92); box-shadow: 0 50px 100px -40px rgba(0,0,0,1), 0 0 60px -20px rgba(167,139,250,.35); overflow: hidden; }
.terminal-body { margin: 0; padding: 20px 22px; min-height: 380px; font-family: var(--mono); font-size: .86rem; line-height: 1.7; color: #d6deeb; white-space: pre-wrap; word-break: break-word; }
.terminal-body .t-user { color: #67e8f9; }
.terminal-body .t-ai { color: #c4b5fd; }
.terminal-body .t-ok { color: #6ee7b7; }
.terminal-body .t-dim { color: #6b7280; }
.terminal-body .t-url { color: #fde68a; text-decoration: underline; }
.terminal-body .t-caret { display: inline-block; width: 8px; height: 1em; background: #67e8f9; vertical-align: -2px; animation: blink 1s steps(2) infinite; }

/* ---------- tajomstvo ---------- */
.section-secret { overflow: clip; padding-bottom: 0; }
.secret-bg { position: absolute; inset: 0; z-index: 0; opacity: .3; -webkit-mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 82%, transparent); mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 82%, transparent); }
.secret-bg img { width: 100%; height: 118%; object-fit: cover; object-position: center 30%; filter: saturate(.6) contrast(1.05); will-change: transform; }
.section-secret .container { position: relative; z-index: 1; }
.scene { position: relative; }
.scene-secret { height: 330vh; }
.scene-sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; overflow: hidden; }
.chain { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; padding: 30px 0; }
.chain-node { position: relative; text-align: center; padding: 22px 12px 18px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: rgba(9, 11, 18, .8); backdrop-filter: blur(6px); transition: border-color .5s, box-shadow .5s, transform .5s var(--ease), opacity .5s; opacity: .45; }
.chain-node.active { opacity: 1; border-color: var(--cyan); box-shadow: 0 0 50px -12px rgba(34,211,238,.8); transform: translateY(-8px) scale(1.04); }
.chain-node.passed { opacity: .8; border-color: rgba(255,255,255,.2); }
.chain-node.passed::after { content: "✓"; position: absolute; top: 8px; right: 10px; color: var(--green); font-weight: 800; font-size: .8rem; }
.node-icon { font-size: 2rem; margin-bottom: .4rem; }
.chain-node b { display: block; font-size: .95rem; }
.chain-node small { color: var(--muted); font-size: .78rem; display: block; line-height: 1.3; }
.chain-doc { position: absolute; left: 0; top: 0; width: 46px; height: 46px; display: grid; place-items: center; font-size: 1.5rem; border-radius: 12px; background: var(--grad); box-shadow: 0 10px 40px -10px rgba(34,211,238,1); transform: translate(-50%, -50%); z-index: 2; will-change: transform; }
.chain-meter { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.chain-meter div { padding: 16px 20px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: rgba(9,11,18,.75); }
.chain-meter small { color: var(--muted); display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.chain-meter strong { font-size: clamp(1.4rem, 2.6vw, 2.2rem); font-family: var(--mono); color: #fff; }
.secret-reveal { position: absolute; inset: 0; display: grid; place-items: center; padding: 20px; opacity: 0; transform: scale(.92); pointer-events: none; transition: opacity .6s var(--ease), transform .7s var(--ease); z-index: 3; }
.secret-reveal.show { opacity: 1; transform: none; pointer-events: auto; }
.chain, .chain-meter { transition: opacity .6s var(--ease), filter .6s var(--ease); }
.scene-sticky.revealed .chain, .scene-sticky.revealed .chain-meter { opacity: .28; filter: blur(3px); }
.secret-card { max-width: 760px; padding: clamp(28px, 4vw, 48px); border-radius: var(--radius); background: rgba(9, 11, 18, .92); border: 1px solid rgba(251,191,36,.45); box-shadow: 0 0 120px -30px rgba(251,191,36,.6), 0 60px 100px -40px #000; text-align: center; backdrop-filter: blur(20px); }
.secret-card .eyebrow { color: var(--gold); }
.secret-card h3 { font-size: clamp(1.5rem, 3vw, 2.4rem); margin-bottom: 1rem; }
.secret-card h3 em { font-style: normal; color: var(--gold); }
.secret-card p { color: var(--muted); margin: 0; font-size: 1.05rem; }
.versus { padding: 60px 0 clamp(80px, 10vw, 140px); }
.vs-card { height: 100%; padding: 30px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.vs-card.old { border-color: rgba(251,113,133,.3); }
.vs-card.new { border-color: rgba(34,211,238,.4); background: linear-gradient(160deg, rgba(34,211,238,.1), rgba(167,139,250,.08)); box-shadow: 0 0 80px -30px rgba(34,211,238,.6); }
.vs-title { font-weight: 800; font-size: 1.2rem; margin-bottom: 1rem; }
.vs-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.vs-card li { padding-left: 1.6rem; position: relative; color: var(--muted); }
.vs-card li strong { color: #fff; }
.vs-card li::before { content: "✕"; position: absolute; left: 0; color: var(--rose); font-weight: 800; }
.vs-card.new li::before { content: "✓"; color: var(--green); }

/* ---------- čo získate / bento ---------- */
.section-gains, .section-powers, .section-control { overflow: clip; }
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; z-index: 1; }
.bento-item { padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); position: relative; overflow: hidden; transition: transform .45s var(--ease), border-color .4s; }
.bento-item:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.bento-item.span-2 { grid-column: span 2; }
.bento-item h3 { font-size: 1.25rem; margin: .6rem 0 .5rem; }
.bento-item p { color: var(--muted); margin: 0; font-size: .97rem; }
.bento-item p b { color: #fff; }
.bento-num { font-size: clamp(2.6rem, 5vw, 4rem); font-weight: 800; letter-spacing: -.04em; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bento-icon { font-size: 1.9rem; }
.bento-item.has-bg { isolation: isolate; }
.bento-item.has-bg .bento-bg { position: absolute; inset: 0; z-index: -1; opacity: .5; -webkit-mask-image: linear-gradient(to top, transparent 45%, #000); mask-image: linear-gradient(to top, transparent 45%, #000); }
.bento-item.has-bg .bento-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1.06); transition: transform .8s var(--ease); }
.bento-item.has-bg:hover .bento-bg img { transform: scale(1.12); }
.bento-item.has-bg .bento-icon, .bento-item.has-bg h3, .bento-item.has-bg p { position: relative; text-shadow: 0 2px 16px rgba(0,0,0,.8); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.2rem; }
.tag-cloud span { font-family: var(--mono); font-size: .75rem; padding: .3rem .6rem; border-radius: 8px; background: rgba(255,255,255,.06); border: 1px solid var(--border); color: #c7d2fe; animation: tagPop 4s ease-in-out infinite; }
.tag-cloud span:nth-child(odd) { animation-delay: -2s; }
.tag-cloud span::after { content: "vasadomena.sk"; color: var(--muted); }
@keyframes tagPop { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
.spotlight { --mx: 50%; --my: 50%; }
.spotlight::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .4s; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(34,211,238,.14), transparent 45%); }
.spotlight:hover::before { opacity: 1; }
.tool-toggles { display: flex; flex-wrap: wrap; gap: 8px; margin: 1.2rem 0; }
.tool-btn { border: 1px solid var(--border-strong); background: rgba(255,255,255,.04); color: var(--text); border-radius: 999px; padding: .45rem .9rem; font-size: .88rem; font-weight: 600; cursor: pointer; transition: all .3s var(--ease); display: inline-flex; gap: .5rem; align-items: center; }
.tool-btn small { color: var(--muted); font-weight: 500; }
.tool-btn:hover { border-color: #fff; transform: translateY(-2px); }
.tool-btn.on { background: rgba(34,211,238,.18); border-color: var(--cyan); box-shadow: 0 0 20px -6px rgba(34,211,238,.8); }
.tool-btn.on small { color: #c7f9ff; }
.calc-result { display: grid; grid-template-columns: 1fr auto 1fr 1fr; gap: 14px; align-items: center; padding: 18px; border-radius: var(--radius-sm); background: rgba(5,6,10,.6); border: 1px solid var(--border); }
.calc-result small { display: block; color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.calc-result strong { font-size: 1.5rem; font-family: var(--mono); }
.calc-arrow { font-size: 1.6rem; color: var(--cyan); }
.calc-save strong { color: var(--green); }
.honest { display: flex; gap: 22px; margin-top: 40px; padding: clamp(24px, 3vw, 36px); border-radius: var(--radius); border: 1px solid rgba(251,191,36,.35); background: linear-gradient(160deg, rgba(251,191,36,.08), rgba(251,191,36,.02)); position: relative; z-index: 1; }
.honest-icon { font-size: 2.2rem; flex: none; }
.honest h3 { font-size: 1.35rem; margin-bottom: .6rem; }
.honest p { color: var(--muted); margin: 0 0 .6rem; }
.honest p strong { color: #fde68a; }

/* ---------- GPU scéna ---------- */
.section-gpu { padding-bottom: clamp(80px, 10vw, 140px); background: linear-gradient(to bottom, var(--bg), #03040a 30%, var(--bg)); }
.scene-gpu { height: 500vh; }
.scene-gpu .scene-sticky { background: #020308; }
.gpu-bg { position: absolute; inset: 0; }
.gpu-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .4; }
.gpu-dc { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .8s; }
.gpu-shade { position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 50%, rgba(2,3,8,.1), rgba(2,3,8,.85) 75%), linear-gradient(to bottom, var(--bg), transparent 15%, transparent 85%, var(--bg)); }
/* --- 3D server klaster (čisté CSS objekty, žiadne obrázky) --- */
.gpu-stage { position: absolute; inset: 0; perspective: 1500px; perspective-origin: 50% 42%; }
.cluster { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform-style: preserve-3d; will-change: transform; }
.chassis { position: absolute; left: 0; top: 0; width: 0; height: 0; transform-style: preserve-3d; --co: 0; }
.ch-face { position: absolute; backface-visibility: hidden; opacity: var(--co); }
/* geometria: panel 600×340, hĺbka 460, uši 24, stavový pás 34, bay 58 (6 + 46 + 6), spodok 16 */
.ch-front { left: -300px; top: -170px; width: 600px; height: 340px; transform: translateZ(0); }
.ch-top { left: -300px; top: -230px; width: 600px; height: 460px; transform: translateY(-170px) translateZ(-230px) rotateX(90deg); background: linear-gradient(115deg, rgba(255,255,255,.08), transparent 45%), linear-gradient(180deg, #2c3443, #1c212d); border: 1px solid #3a4252; border-bottom: 2px solid rgba(255,255,255,.16); box-shadow: inset 0 0 0 1px rgba(255,255,255,.03); }
.ch-top::after { content: ""; position: absolute; inset: 40px 40px 70px; border-radius: 6px; background: radial-gradient(circle, rgba(0,0,0,.55) 1.6px, transparent 2.2px) 0 0 / 11px 11px; opacity: .9; }
.ch-side { left: -230px; top: -170px; width: 460px; height: 340px; transform: translateX(300px) translateZ(-230px) rotateY(90deg); background: linear-gradient(90deg, #262d3b, #181d28 35%, #1e2430); border-left: 2px solid rgba(255,255,255,.14); box-shadow: inset 0 1px 0 rgba(255,255,255,.06); }
.ch-side::after { content: ""; position: absolute; left: 52%; right: 24px; top: 40px; bottom: 34px; background: repeating-linear-gradient(90deg, rgba(0,0,0,.45) 0 5px, transparent 5px 14px); border-radius: 4px; }
.ch-back { left: -300px; top: -170px; width: 600px; height: 340px; transform: translateZ(-460px); background: radial-gradient(ellipse at 50% 50%, #0b0f18, #05070c 75%); }
.ch-back .bp { position: absolute; left: 50%; width: 150px; height: 12px; margin-left: -75px; top: calc(58px + var(--i) * 58px); border-radius: 2px; background: repeating-linear-gradient(90deg, #6b5320 0 4px, #3a2c10 4px 6px); opacity: .7; transition: box-shadow .4s, opacity .4s; }
.ch-back .bp.lit { opacity: 1; background: repeating-linear-gradient(90deg, #f0c460 0 4px, #8a6420 4px 6px); box-shadow: 0 0 22px rgba(34,211,238,.55), 0 0 6px rgba(251,191,36,.8); }
.ch-shelf { left: -300px; top: -230px; width: 600px; height: 460px; transform: translateY(calc(-84px + var(--k) * 58px)) translateZ(-230px) rotateX(90deg); background: linear-gradient(90deg, transparent 0 34px, #232b39 34px 42px, transparent 42px 558px, #232b39 558px 566px, transparent 566px), linear-gradient(180deg, #080b11, #0e121b 70%, #141925); border-bottom: 3px solid #2a3242; }
.ch-shadow { left: -480px; top: -360px; width: 960px; height: 720px; transform: translateY(178px) translateZ(-230px) rotateX(90deg); background: radial-gradient(ellipse at 50% 50%, rgba(34,211,238,.28), rgba(34,211,238,.06) 32%, transparent 60%), radial-gradient(ellipse at 50% 50%, rgba(0,0,0,.9), rgba(0,0,0,.5) 38%, transparent 68%); }
/* predný panel */
.ch-ear { position: absolute; top: 0; width: 24px; height: 340px; background: radial-gradient(circle at 50% 34px, #05060a 3.5px, #3a4150 4.5px, transparent 6px), radial-gradient(circle at 50% 170px, #05060a 3.5px, #3a4150 4.5px, transparent 6px), radial-gradient(circle at 50% 306px, #05060a 3.5px, #3a4150 4.5px, transparent 6px), linear-gradient(90deg, #3a4253, #222835); box-shadow: inset 0 1px 0 rgba(255,255,255,.12); }
.ch-ear-l { left: -24px; border-radius: 8px 0 0 8px; }
.ch-ear-r { right: -24px; border-radius: 0 8px 8px 0; }
.ch-status { position: absolute; left: 0; top: 0; width: 600px; height: 34px; background: linear-gradient(180deg, #343c4d, #212734); border-bottom: 1px solid #0a0d14; box-shadow: inset 0 1px 0 rgba(255,255,255,.12), inset 0 2px 0 rgba(34,211,238,.25); display: flex; align-items: center; gap: 14px; padding: 0 16px; }
.ch-name { font: 700 10px/1 var(--mono); letter-spacing: .22em; text-transform: uppercase; color: #8b95a7; margin-right: auto; }
.ch-leds { display: flex; gap: 7px; }
.ch-leds i { width: 7px; height: 7px; border-radius: 50%; background: #1f2a2c; box-shadow: inset 0 1px 1px rgba(0,0,0,.8); transition: background .3s, box-shadow .3s; }
.ch-leds i.lit { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.ch-pwr { width: 9px; height: 9px; border-radius: 50%; background: #2a3a2a; margin-left: 4px; transition: background .3s, box-shadow .3s; }
.chassis.on .ch-pwr { background: var(--green); box-shadow: 0 0 10px var(--green); animation: pulse 2s infinite; }
.ch-bay { position: absolute; left: 0; width: 600px; height: 58px; top: calc(34px + var(--k) * 58px); border-style: solid; border-width: 6px 26px; border-color: #20262f #2a3140 #303948 #2a3140; background: transparent; }
.ch-bay::before { content: ""; position: absolute; inset: 0; box-shadow: inset 0 4px 10px rgba(0,0,0,.95), inset 0 0 0 1px rgba(0,0,0,.7); pointer-events: none; }
.bay-num { position: absolute; left: -22px; top: 50%; transform: translateY(-50%); font: 700 9px/1 var(--mono); color: #6b7488; letter-spacing: .05em; }
.bay-led { position: absolute; right: -18px; top: 50%; width: 7px; height: 7px; margin-top: -3.5px; border-radius: 50%; background: #1f2a2c; box-shadow: inset 0 1px 1px rgba(0,0,0,.8); transition: background .3s, box-shadow .3s; }
.ch-bay.lit .bay-led { background: var(--green); box-shadow: 0 0 9px var(--green); }
.ch-bottom { position: absolute; left: 0; bottom: 0; width: 600px; height: 16px; background: linear-gradient(180deg, #252c3a, #161b25); border-top: 1px solid #3a4252; }
/* GPU karta = 3D kváder 540×40×440 (vrch = grafika karty, predok = čelo s LED) */
.gpu-card { position: absolute; left: 0; top: 0; width: 0; height: 0; transform-style: preserve-3d; will-change: transform; --ko: 0; }
.cf { position: absolute; backface-visibility: hidden; opacity: var(--ko); }
.cf-top { left: -270px; top: -220px; width: 540px; height: 440px; transform: translateY(-20px) rotateX(90deg); border-radius: 6px; border: 1px solid #2c3442; background: #0c1016; overflow: hidden; }
.cf-front { left: -270px; top: -20px; width: 540px; height: 40px; transform: translateZ(220px); background: linear-gradient(180deg, #262d3b, #141821); border: 1px solid #3a4253; border-radius: 3px; }
.cf-side { left: -220px; top: -20px; width: 440px; height: 40px; transform: translateX(270px) rotateY(90deg); background: linear-gradient(180deg, #1f2532, #12161f); border-top: 1px solid #343c4c; }
.cf-left { left: -220px; top: -20px; width: 440px; height: 40px; transform: translateX(-270px) rotateY(-90deg); background: linear-gradient(180deg, #1f2532, #12161f); border-top: 1px solid #343c4c; }
.cf-back { left: -270px; top: -20px; width: 540px; height: 40px; transform: translateZ(-220px) rotateY(180deg); background: #10141c; }
.cf-bottom { left: -270px; top: -220px; width: 540px; height: 440px; transform: translateY(20px) rotateX(-90deg); background: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1.5px) 0 0 / 14px 14px, #0a0e14; border-radius: 6px; }
.cf-top > * { position: absolute; }
.g-pcb { inset: 0; background: radial-gradient(circle at 18% 82%, rgba(34,211,238,.08), transparent 40%), repeating-linear-gradient(90deg, transparent 0 22px, rgba(255,255,255,.035) 22px 23px), repeating-linear-gradient(0deg, transparent 0 22px, rgba(255,255,255,.035) 22px 23px), linear-gradient(180deg, #0e131b, #0a0e14); }
.g-conn { left: 70px; top: 0; width: 300px; height: 16px; background: repeating-linear-gradient(90deg, #e6bd5e 0 5px, #8a6420 5px 7px); border-bottom: 2px solid #2e2308; }
.g-conn::after { content: ""; position: absolute; left: 92px; top: 0; width: 7px; height: 100%; background: #0a0e14; }
.g-shroud { left: 28px; top: 34px; right: 28px; bottom: 96px; border-radius: 10px; background: linear-gradient(115deg, transparent 40%, rgba(34,211,238,.16) 40.4%, transparent 41.4%), linear-gradient(115deg, transparent 64%, rgba(251,191,36,.14) 64.4%, transparent 65.4%), linear-gradient(160deg, #222937 0%, #12161f 48%, #1a2030 100%); border: 1px solid #353d4d; box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 12px 30px rgba(0,0,0,.6); }
.g-fins { left: 70px; top: 60px; width: 260px; height: 130px; border-radius: 4px; border: 2px solid #2b3240; background: repeating-linear-gradient(90deg, #d8ae52 0 4px, #6b4f17 4px 6px, #b48b3a 6px 8px); box-shadow: inset 0 0 26px rgba(0,0,0,.75); }
.g-die { left: 360px; top: 70px; width: 110px; height: 110px; border-radius: 6px; border: 2px solid #e2b85a; background: linear-gradient(135deg, #1e1b4b, #0e7490 55%, #a78bfa); box-shadow: 0 0 30px rgba(34,211,238,.3), inset 0 0 24px rgba(255,255,255,.14); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,.6); }
.g-die b { font: 800 22px/1 var(--font); letter-spacing: .02em; }
.g-die small { font: 600 8px/1 var(--mono); letter-spacing: .12em; color: #d8f7ff; }
.g-hbm { left: 360px; top: 192px; width: 110px; height: 36px; background: repeating-linear-gradient(90deg, #1c2230 0 32px, transparent 32px 39px); border-radius: 3px; box-shadow: inset 0 0 0 1px rgba(226,184,90,.25); }
.g-leds { left: 70px; top: 250px; display: flex; gap: 12px; }
.g-leds i { width: 10px; height: 10px; border-radius: 50%; background: #123238; box-shadow: inset 0 1px 2px rgba(0,0,0,.8); transition: background .3s, box-shadow .3s; }
.gpu-card.on .g-leds i { background: var(--cyan); box-shadow: 0 0 8px var(--cyan), 0 0 18px rgba(34,211,238,.6); animation: ledBlink 1.6s infinite; animation-delay: calc(var(--n) * -.22s); }
@keyframes ledBlink { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
.g-label { left: 230px; top: 250px; font: 700 10px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: #7f8aa0; white-space: nowrap; }
.g-grille { left: 44px; right: 44px; top: 292px; height: 40px; border-radius: 6px; background: repeating-linear-gradient(90deg, #080b10 0 6px, transparent 6px 12px), linear-gradient(180deg, #171c26, #0f131b); box-shadow: inset 0 2px 6px rgba(0,0,0,.8); }
.g-fan { top: 350px; width: 84px; height: 84px; border-radius: 50%; background: #0b0e14; border: 3px solid #2b3242; box-shadow: inset 0 0 0 2px #10141c, 0 6px 16px rgba(0,0,0,.6); transition: border-color .4s, box-shadow .4s; }
.g-fan.a { left: 58px; } .g-fan.b { left: 228px; } .g-fan.c { left: 398px; }
.g-fan i { position: absolute; inset: 6px; border-radius: 50%; background: repeating-conic-gradient(from 0deg, #2f3849 0deg 30deg, #0b0e14 30deg 51.4deg); -webkit-mask: radial-gradient(circle, transparent 13px, #000 14px); mask: radial-gradient(circle, transparent 13px, #000 14px); animation: fanSpin .45s linear infinite; animation-play-state: paused; }
.g-fan::after { content: ""; position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; margin: -13px 0 0 -13px; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #56607a, #1c2230 70%); box-shadow: 0 0 0 1px #0b0e14; }
.gpu-card.on .g-fan { border-color: rgba(34,211,238,.6); box-shadow: inset 0 0 0 2px #10141c, 0 0 18px rgba(34,211,238,.35); }
.gpu-card.on .g-fan i { animation-play-state: running; }
@keyframes fanSpin { to { transform: rotate(360deg); } }
.g-screw { width: 10px; height: 10px; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #7b8499, #2b3242 60%, #10141c); box-shadow: 0 0 0 1px #05060a; }
.g-screw::after { content: ""; position: absolute; left: 2px; right: 2px; top: 4px; height: 2px; background: #0b0e14; transform: rotate(-30deg); }
.g-screw.s1 { left: 12px; top: 22px; } .g-screw.s2 { right: 12px; top: 22px; } .g-screw.s3 { left: 12px; bottom: 12px; } .g-screw.s4 { right: 12px; bottom: 12px; }
.g-sheen { inset: 0; background: linear-gradient(110deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,.02) 35%, transparent 55%, rgba(255,255,255,.04) 100%); pointer-events: none; }
.cf-front > * { position: absolute; }
.f-handle { left: 14px; top: 10px; width: 70px; height: 18px; border-radius: 9px; background: linear-gradient(180deg, #3d4659, #1f2632); border: 1px solid #4d576b; }
.f-grille { left: 100px; right: 130px; top: 8px; bottom: 8px; border-radius: 3px; background: radial-gradient(circle, #070a0f 2px, transparent 2.6px) 0 0 / 8px 8px; opacity: .9; }
.f-leds { right: 74px; top: 15px; display: flex; gap: 8px; }
.f-leds i { width: 8px; height: 8px; border-radius: 50%; background: #1d3b2a; box-shadow: inset 0 1px 1px rgba(0,0,0,.8); transition: background .3s, box-shadow .3s; }
.f-leds i + i { background: #123238; }
.gpu-card.on .f-leds i { background: var(--green); box-shadow: 0 0 8px var(--green); }
.gpu-card.on .f-leds i + i { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation: pulse 1.2s infinite; }
.f-tag { right: 14px; top: 12px; font: 700 10px/16px var(--mono); letter-spacing: .12em; color: #9aa3b5; }
.gpu-copy { position: absolute; left: 0; right: 0; bottom: 8vh; padding: 0 5vw; pointer-events: none; }
.gpu-step { position: absolute; left: 5vw; right: 5vw; bottom: 0; max-width: 560px; opacity: 0; transform: translateY(24px); transition: opacity .5s var(--ease), transform .6s var(--ease); }
.gpu-step.active { opacity: 1; transform: none; }
.gpu-step h3 { font-size: clamp(1.5rem, 3.2vw, 2.6rem); margin: .3rem 0 .5rem; text-shadow: 0 4px 30px #000; }
.gpu-step p { color: #cbd5e1; margin: 0; text-shadow: 0 2px 20px #000; max-width: 520px; }
.gpu-price { position: absolute; right: 5vw; top: calc(var(--nav-h) + 20px); text-align: right; padding: 16px 22px; border-radius: var(--radius-sm); background: rgba(5,6,10,.7); border: 1px solid var(--border-strong); backdrop-filter: blur(10px); box-shadow: 0 30px 60px -30px #000; transition: border-color .4s, box-shadow .4s; }
.gpu-price small { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; }
.gpu-price strong { display: block; font-family: var(--mono); font-size: clamp(1.5rem, 3vw, 2.4rem); color: #fff; line-height: 1.1; white-space: nowrap; }
.gpu-price.final { border-color: var(--green); box-shadow: 0 0 80px -20px rgba(52,211,153,.9); }
.gpu-price.final strong { color: var(--green); }
.gpu-price.final .gpu-approx, .gpu-price.final .gpu-cur { display: none; }
.scene-progress { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); width: 160px; height: 3px; border-radius: 2px; background: rgba(255,255,255,.15); overflow: hidden; }
.scene-progress i { display: block; height: 100%; width: 0; background: var(--grad); }
.feature { padding: 26px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); height: 100%; transition: transform .4s var(--ease), border-color .4s, box-shadow .4s; }
.feature:hover { transform: translateY(-6px); border-color: rgba(34,211,238,.5); box-shadow: 0 30px 60px -40px rgba(34,211,238,.6); }
.feature-icon { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-soft); border: 1px solid var(--border); font-size: 1.4rem; margin-bottom: 1rem; }
.feature h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.feature p { color: var(--muted); margin: 0; font-size: .95rem; }

/* ---------- superschopnosti ---------- */
.orbit { position: relative; aspect-ratio: 1; max-width: 460px; margin: 0 auto; display: grid; place-items: center; }
.orbit-core { width: 62%; border-radius: 50%; -webkit-mask-image: radial-gradient(circle, #000 55%, transparent 72%); mask-image: radial-gradient(circle, #000 55%, transparent 72%); animation: breathe 6s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.orbit-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px dashed rgba(255,255,255,.15); animation: spin 26s linear infinite; }
.ring-2 { inset: 12%; animation-duration: 20s; animation-direction: reverse; }
.ring-3 { inset: 24%; animation-duration: 14s; }
.orbit-chip { position: absolute; top: 0; left: 50%; translate: -50% -50%; padding: .4rem .8rem; border-radius: 999px; background: rgba(9,11,18,.9); border: 1px solid var(--border-strong); font-size: .8rem; font-weight: 700; white-space: nowrap; box-shadow: 0 0 30px -8px rgba(167,139,250,.9); animation: spin 26s linear infinite reverse; }
.ring-2 .orbit-chip { animation-duration: 20s; animation-direction: normal; }
.ring-3 .orbit-chip { animation-duration: 14s; }
.power-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 1.8rem; }
.power { padding: 18px 20px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface); transition: border-color .3s, transform .3s var(--ease); }
.power:hover { border-color: rgba(167,139,250,.6); transform: translateX(4px); }
.power b { display: block; margin-bottom: .2rem; }
.power span { color: var(--muted); font-size: .92rem; }

/* ---------- ovládanie ---------- */
.control-media { position: relative; border-radius: var(--radius); overflow: visible; }
.control-media img { border-radius: var(--radius); border: 1px solid var(--border-strong); box-shadow: 0 60px 100px -50px #000; width: 100%; }
.control-badge { position: absolute; padding: .55rem 1rem; border-radius: 999px; background: rgba(9,11,18,.9); border: 1px solid var(--border-strong); font-weight: 700; font-size: .9rem; display: inline-flex; align-items: center; gap: .5rem; box-shadow: 0 20px 40px -20px #000; animation: floatY 5s ease-in-out infinite; }
.control-badge.b1 { top: 6%; left: -14px; }
.control-badge.b2 { bottom: 8%; right: -14px; animation-delay: -2.5s; }
.check-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .8rem; }
.check-list li { padding-left: 2rem; position: relative; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .75rem; font-weight: 800; background: rgba(52,211,153,.18); color: var(--green); }

/* ---------- priebeh / timeline ---------- */
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding: 10px 0; }
.timeline-line { position: absolute; left: 27px; top: 0; bottom: 0; width: 2px; background: rgba(255,255,255,.1); }
.timeline-line i { display: block; width: 100%; height: 0; background: var(--grad); box-shadow: 0 0 20px rgba(34,211,238,.8); }
.tl-item { position: relative; display: flex; gap: 26px; padding: 0 0 44px; }
.tl-dot { width: 56px; height: 56px; flex: none; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: var(--bg-2); border: 2px solid rgba(255,255,255,.18); transition: border-color .4s, box-shadow .4s, background .4s; z-index: 1; }
.tl-item.lit .tl-dot { border-color: var(--cyan); box-shadow: 0 0 30px -6px rgba(34,211,238,.9); background: rgba(34,211,238,.15); }
.tl-body { padding: 8px 0; }
.tl-body small { color: var(--cyan); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: .75rem; }
.tl-body h3 { font-size: 1.3rem; margin: .3rem 0 .4rem; }
.tl-body p { color: var(--muted); margin: 0; }

/* ---------- balíky ---------- */
.section-pricing { overflow: hidden; }
.ai-switch-wrap { position: relative; z-index: 1; text-align: center; margin-bottom: 44px; padding: clamp(22px, 3vw, 34px); border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.ai-switch-label { font-weight: 700; margin-bottom: 1rem; }
.ai-switch { position: relative; display: inline-grid; grid-template-columns: 1fr 1fr; padding: 5px; border-radius: 999px; background: rgba(255,255,255,.06); border: 1px solid var(--border-strong); }
.ai-switch-pill { position: absolute; top: 5px; bottom: 5px; left: 5px; width: calc(50% - 5px); border-radius: 999px; background: var(--grad); transition: transform .45s var(--ease); box-shadow: 0 8px 30px -8px rgba(34,211,238,.9); }
.ai-switch[data-active="chatgpt"] .ai-switch-pill { transform: translateX(100%); }
.ai-switch-btn { position: relative; z-index: 1; background: none; border: 0; color: var(--muted); font-weight: 800; padding: .7rem 1.6rem; border-radius: 999px; min-width: 170px; transition: color .3s; cursor: pointer; }
.ai-switch-btn.active { color: #061018; }
.ai-switch-note { margin: 1rem auto 0; color: var(--muted); max-width: 640px; min-height: 1.6em; }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-top: 1.4rem; }
.plan { text-align: left; padding: 16px 18px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: rgba(5,6,10,.5); cursor: pointer; transition: all .35s var(--ease); animation: planIn .5s var(--ease) both; }
.plan:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.plan.selected { border-color: var(--cyan); box-shadow: 0 0 40px -12px rgba(34,211,238,.9); background: rgba(34,211,238,.08); }
.plan-name { font-weight: 800; display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.plan-price { font-family: var(--mono); font-size: 1.35rem; margin: .3rem 0 .2rem; }
.plan-price small { font-size: .75rem; color: var(--muted); }
.plan-desc { color: var(--muted); font-size: .82rem; line-height: 1.4; }
.plan-badge { font-size: .65rem; padding: .15rem .45rem; border-radius: 999px; background: rgba(167,139,250,.2); color: #ddd6fe; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
@keyframes planIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.pricing-row { position: relative; z-index: 1; }
.price-card { position: relative; height: 100%; padding: 30px 28px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); overflow: hidden; transition: transform .45s var(--ease), border-color .4s, box-shadow .4s; display: flex; flex-direction: column; }
.price-card:hover { transform: translateY(-8px); border-color: var(--border-strong); }
.price-card.featured { border-color: transparent; background: linear-gradient(var(--bg-2), var(--bg-2)) padding-box, var(--grad) border-box; box-shadow: 0 40px 80px -40px rgba(34,211,238,.7); }
.price-card.selected { border-color: var(--cyan); box-shadow: 0 0 0 2px var(--cyan), 0 40px 80px -40px rgba(34,211,238,.9); }
.price-card.featured.selected { box-shadow: 0 0 0 2px var(--cyan), 0 40px 80px -40px rgba(34,211,238,.9); }
.price-ribbon { position: absolute; top: 14px; right: -40px; transform: rotate(38deg); background: var(--grad); color: #061018; font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; padding: .28rem 2.6rem; box-shadow: 0 6px 20px -6px rgba(0,0,0,.8); }
.price-card.featured .price-vps { padding-right: 52px; }
.price-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.price-name { font-size: 1.4rem; font-weight: 800; }
.price-vps { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.price-amount { margin: 1rem 0 .2rem; display: flex; align-items: baseline; gap: .4rem; }
.price-amount strong { font-size: clamp(2.4rem, 3.5vw, 3.2rem); letter-spacing: -.04em; line-height: 1; }
.price-amount span { color: var(--muted); }
.price-setup { font-size: .85rem; color: var(--gold); font-weight: 700; }
.price-for { color: var(--muted); margin: 1rem 0; font-size: .95rem; min-height: 3em; }
.price-spec { list-style: none; padding: 0; margin: 0 0 1.4rem; display: grid; gap: .4rem; font-family: var(--mono); font-size: .8rem; color: #c7d2fe; flex: 1; }
.price-spec li::before { content: "▸ "; color: var(--cyan); }
.included { position: relative; z-index: 1; margin-top: 40px; padding: clamp(24px, 3vw, 36px); border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.included h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.included-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem 2rem; }
.included-list li { position: relative; padding-left: 2rem; color: var(--muted); }
.included-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .75rem; font-weight: 800; background: rgba(34,211,238,.18); color: var(--cyan); }
.estimate { position: relative; z-index: 1; margin-top: 24px; padding: clamp(24px, 3vw, 36px); border-radius: var(--radius); border: 1px solid rgba(34,211,238,.35); background: linear-gradient(160deg, rgba(34,211,238,.1), rgba(167,139,250,.06)); text-align: center; }
.estimate-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: left; margin-bottom: 1rem; }
.estimate-row small { display: block; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; }
.estimate-row strong { font-size: 1.1rem; }
.estimate-total strong { font-family: var(--mono); font-size: 1.5rem; color: #fff; }
.estimate-total .plus { color: var(--cyan); }
.estimate .btn { margin-top: 1rem; }

/* ---------- FAQ ---------- */
.faq-acc .accordion-item { background: var(--surface); border: 1px solid var(--border); margin-bottom: 10px; border-radius: var(--radius-sm) !important; overflow: hidden; }
.faq-acc .accordion-button { background: transparent; color: var(--text); font-weight: 700; font-size: 1.05rem; padding: 1.1rem 1.4rem; box-shadow: none; }
.faq-acc .accordion-button:not(.collapsed) { color: var(--cyan); background: rgba(34,211,238,.06); }
.faq-acc .accordion-button::after { filter: invert(1) brightness(1.4); }
.faq-acc .accordion-button:focus { box-shadow: 0 0 0 2px rgba(34,211,238,.35); }
.faq-acc .accordion-body { color: var(--muted); padding: 0 1.4rem 1.3rem; }

/* ---------- kontakt ---------- */
.section-contact { overflow: hidden; isolation: isolate; }
.contact-bg { position: absolute; inset: 0; z-index: -1; }
.contact-video { width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.contact-shade { position: absolute; inset: 0; background: linear-gradient(to bottom, var(--bg), rgba(5,6,10,.55) 30%, rgba(5,6,10,.7) 70%, var(--bg)); }
.contact-form { padding: clamp(24px, 3vw, 40px); border-radius: var(--radius); border: 1px solid var(--border-strong); background: rgba(9,11,18,.82); backdrop-filter: blur(16px); box-shadow: 0 60px 120px -50px #000; }
.form-label { font-weight: 700; font-size: .85rem; color: var(--muted); }
.form-control, .form-select { background: rgba(255,255,255,.05); border: 1px solid var(--border-strong); color: #fff; border-radius: 12px; padding: .75rem 1rem; }
.form-control:focus, .form-select:focus { background: rgba(255,255,255,.07); border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34,211,238,.2); color: #fff; }
.form-control.is-invalid { border-color: var(--rose); }
.form-hint { color: var(--muted); font-size: .85rem; max-width: 420px; }

/* ---------- footer ---------- */
.site-footer { padding: 40px 0 30px; border-top: 1px solid var(--border); background: #030408; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.footer-links { list-style: none; display: flex; gap: 1.4rem; margin: 0; padding: 0; }
.footer-links a { color: var(--muted); font-weight: 600; }
.footer-legal { color: #5f6778; font-size: .78rem; margin: 0; max-width: 900px; }

/* ---------- responzívne ---------- */
@media (max-width: 1199px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-item.span-2 { grid-column: span 2; }
}
@media (max-width: 991px) {
  .site-nav .navbar-collapse { background: rgba(7, 9, 14, .97); border: 1px solid var(--border-strong); border-radius: 14px; padding: 10px 14px; margin-top: 10px; box-shadow: 0 30px 60px -20px #000; }
  .site-nav .nav-link { padding: .6rem .5rem; border-bottom: 1px solid var(--border); }
  .site-nav .nav-link::after { display: none; }
  .site-nav .nav-item:last-child .nav-link { border-bottom: 0; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .chain { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .chain-node { padding: 14px 8px 12px; }
  .node-icon { font-size: 1.5rem; }
  .chain-meter strong { font-size: 1.3rem; }
  .power-grid { grid-template-columns: 1fr; }
  .estimate-row { grid-template-columns: repeat(2, 1fr); }
  .gpu-price { top: calc(var(--nav-h) + 10px); padding: 10px 14px; }
  .gpu-step h3 { font-size: 1.4rem; }
  .gpu-copy { bottom: 6vh; }
}
@media (max-width: 767px) {
  body { font-size: 16px; }
  .row.g-5 { --bs-gutter-x: 1.5rem; }
  .hero-typed { white-space: normal; }
  .bento { grid-template-columns: 1fr; }
  .bento-item.span-2 { grid-column: span 1; }
  .calc-result { grid-template-columns: 1fr 1fr; }
  .calc-arrow { display: none; }
  .included-list { grid-template-columns: 1fr; }
  .honest { flex-direction: column; gap: 10px; }
  .chain { grid-template-columns: repeat(2, 1fr); }
  .chain-node small { display: none; }
  .chain-meter { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .chain-meter div { padding: 10px 12px; }
  .chain-meter strong { font-size: 1rem; }
  .scene-secret { height: 280vh; }
  .scene-gpu { height: 420vh; }
  .gpu-price { right: 4vw; }
  .gpu-price strong { font-size: 1.3rem; }
  .estimate-row { grid-template-columns: 1fr; }
  .timeline-line { left: 21px; }
  .tl-dot { width: 44px; height: 44px; }
  .control-badge.b1 { left: 6px; } .control-badge.b2 { right: 6px; }
  .ai-switch-btn { min-width: 0; padding: .6rem 1rem; }
  .cursor-glow { display: none; }
}

/* ---------- prístupnosť: menej pohybu ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal, .split .ch { opacity: 1; transform: none; }
  .hero-video, .contact-video, .gpu-video { display: none; }
  .cursor-glow { display: none; }
}