/* ============================================================
   MOLNARES 3D STUDIO — KINETIC BLUEPRINT THEME
   Tmavý technický dizajn s animáciami naviazanými na 3D tlač.
   ============================================================ */

:root{
  --bg: #0A0A0B;
  --surface: #131314;
  --surface-2: #1B1B1D;
  --border: rgba(255,255,255,.08);
  --border-hover: rgba(255,255,255,.22);
  --text: #F5F5F5;
  --muted: #9A9A9E;
  --faint: #5C5C60;
  --accent: #2DE8FF;
  --accent-hover: #6FF3FF;
  --accent-dim: rgba(45,232,255,.14);
  --accent-2: #FF2DD4;
  --radius: 2px;
  --maxw: 1200px;
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a{ color: inherit; text-decoration: none; }
img, svg{ display: block; max-width: 100%; }
:focus-visible{ outline: 2px solid var(--accent); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow{ max-width: 640px; }
.narrow.center{ margin: 0 auto; text-align: center; }
.section{ padding: 100px 0; border-top: 1px solid var(--border); }
@media(min-width: 900px){ .section{ padding: 130px 0; } }
.section:first-of-type{ border-top: none; }

h1, h2, h3{ font-family: var(--font-display); letter-spacing: -0.01em; }
h1{ font-weight: 700; font-size: clamp(42px, 8vw, 92px); line-height: 1.0; letter-spacing: -0.015em; }
h1 .accent{
  background: linear-gradient(100deg, #2DE8FF, #6C6BF0 55%, #FF2DD4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-style: italic; font-weight: 600;
}
h2{ font-weight: 600; font-size: clamp(28px, 4.5vw, 46px); line-height: 1.12; }
h3{ font-weight: 600; font-size: clamp(19px, 2.2vw, 22px); font-family: var(--font-body); letter-spacing: -0.005em; }
p{ font-size: 17px; color: var(--muted); line-height: 1.6; }
.lead{ font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 480px; }
.kicker{
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 20px;
}
.section-head{ max-width: 620px; margin-bottom: 56px; }
.section-head .kicker{ margin-bottom: 16px; }

/* ---------- Nav ---------- */
header.nav{
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,11,.85); backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-inner{ display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; max-width: var(--maxw); margin: 0 auto; }
.logo{ display: flex; align-items: center; gap: 10px; font-family: var(--font-body); font-weight: 700; font-size: 15px; letter-spacing: -0.01em; }
.logo-mark{ width: 26px; height: 26px; flex-shrink: 0; object-fit: contain; display: block; }
.nav-links{ display: none; gap: 32px; font-size: 13px; color: var(--muted); }
.nav-links a:hover{ color: var(--text); }
@media(min-width: 900px){ .nav-links{ display: flex; } }
.nav-cta{ display: none; }
@media(min-width: 900px){ .nav-cta{ display: inline-flex; } }
.nav-burger{ display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: none; background: none; color: var(--text); font-size: 20px; cursor: pointer; }
@media(min-width: 900px){ .nav-burger{ display: none; } }
.mobile-menu{ display: none; position: fixed; inset: 0; z-index: 99; background: var(--bg); padding: 100px 24px 40px; flex-direction: column; }
.mobile-menu.is-open{ display: flex; }
.mobile-menu a{ padding: 18px 0; font-size: 22px; font-weight: 600; font-family: var(--font-display); border-bottom: 1px solid var(--border); }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; border: 1px solid transparent;
  cursor: pointer; transition: transform .3s cubic-bezier(.34,1.2,.64,1), box-shadow .3s ease, background .3s ease, border-color .3s ease;
}
.btn-primary{ background: var(--accent); color: #041014; box-shadow: 0 0 0 rgba(45,232,255,0); }
.btn-primary:hover{
  background: var(--accent-hover);
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 0 10px rgba(45,232,255,.85),
    0 0 26px rgba(45,232,255,.55),
    0 0 56px rgba(45,232,255,.3),
    0 0 90px rgba(255,45,212,.15);
}
.btn-outline{ border-color: rgba(255,255,255,.25); color: var(--text); box-shadow: 0 0 0 rgba(45,232,255,0); }
.btn-outline:hover{
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 0 8px rgba(45,232,255,.5),
    0 0 22px rgba(45,232,255,.3),
    0 0 44px rgba(45,232,255,.15);
}
.btn-link{ color: var(--accent); font-weight: 600; font-size: 16px; }
.btn-link::after{ content: '→'; margin-left: 6px; display: inline-block; transition: transform .2s ease; }
.btn-link:hover::after{ transform: translateX(4px); }
.btn-row{ display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row.center{ justify-content: center; }

/* ---------- Cards (corner-bracket hover) ---------- */
.card-row{ display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
@media(min-width: 700px){ .card-row.cols-2{ grid-template-columns: repeat(2,1fr); } }
@media(min-width: 900px){ .card-row.cols-3{ grid-template-columns: repeat(3,1fr); } .card-row.cols-4{ grid-template-columns: repeat(4,1fr); } }

.card{
  position: relative; background: var(--bg); padding: 36px 28px; overflow: hidden;
  transition: background .25s ease; text-decoration: none; color: var(--text);
}
.card::before, .card::after{ content: ''; position: absolute; width: 16px; height: 16px; transition: border-color .3s ease; }
.card::before{ top: -1px; left: -1px; border-top: 2px solid transparent; border-left: 2px solid transparent; }
.card::after{ bottom: -1px; right: -1px; border-bottom: 2px solid transparent; border-right: 2px solid transparent; }
.card:hover{ background: var(--surface-2); }
.card:hover::before, .card:hover::after{ border-color: var(--accent); }
.card .tag{ font-family: var(--font-mono); font-size: 11px; color: var(--accent); display: block; margin-bottom: 16px; }
.card h3{ margin-bottom: 10px; }
.card p{ font-size: 14px; }
.card .go{ margin-top: 16px; font-size: 13px; font-family: var(--font-mono); color: var(--faint); }

.standalone-card{
  border: 1px solid var(--border); background: var(--surface); padding: 32px 28px; border-radius: var(--radius);
  transition: transform .3s cubic-bezier(.16,1,.3,1), border-color .25s ease;
}
.standalone-card:hover{ transform: translateY(-4px); border-color: var(--border-hover); }

/* ---------- Pills ---------- */
.pill-row{ display: flex; flex-wrap: wrap; gap: 10px; }
.pill-row.center{ justify-content: center; }
.pill{ font-family: var(--font-mono); font-size: 13px; border: 1px solid var(--border); padding: 8px 16px; border-radius: var(--radius); }

/* ---------- Media placeholder (printing-fill effect) ---------- */
.media{
  position: relative; border: 1px solid var(--border); background: var(--surface);
  aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.media.wide{ aspect-ratio: 16/9; }
.media::before{
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 26px 26px; opacity: .5;
}
.media::after{
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(45,232,255,.18), transparent);
  transform: scaleY(0); transform-origin: bottom;
  will-change: transform;
  animation: fillUp 5s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes fillUp{ 0%{ transform: scaleY(0); } 45%{ transform: scaleY(.96); } 55%{ transform: scaleY(.96); } 100%{ transform: scaleY(0); } }
.placeholder-label{ position: relative; z-index: 1; font-family: var(--font-mono); font-size: 12px; color: var(--faint); text-transform: uppercase; letter-spacing: .05em; text-align: center; padding: 0 20px; }

/* ---------- Hero ---------- */
.hero{ position: relative; padding: 80px 0 60px; }
@media(min-width: 900px){ .hero{ padding: 120px 0 80px; } }
.hero-grid{ display: grid; gap: 48px; align-items: center; }
@media(min-width: 900px){ .hero-grid{ grid-template-columns: 1.05fr 1fr; gap: 32px; } }
.hero h1{ margin-bottom: 24px; }
.hero .lead{ margin-bottom: 36px; }
.hero-visual{ display: flex; align-items: center; justify-content: center; position: relative; min-height: 280px; }
.hero-visual svg{ width: 100%; max-width: 520px; height: auto; overflow: visible; }
.diag-label{ position: absolute; font-family: var(--font-mono); font-size: 11px; color: var(--faint); letter-spacing: .05em; }
.diag-label.l1{ top: 4%; left: 0; }
.diag-label.l2{ bottom: 8%; right: 0; text-align: right; }

.hero-center{ text-align: center; padding: 110px 0 70px; }
.hero-center .lead{ margin: 0 auto 36px; }
.hero-center .btn-row{ justify-content: center; }

/* ---------- Breadcrumb ---------- */
.breadcrumb{ font-family: var(--font-mono); font-size: 12px; color: var(--faint); margin-bottom: 24px; }
.breadcrumb a:hover{ color: var(--accent); }

/* ---------- Flow / process (sequential light-up) ---------- */
.flow-row{ display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
@media(min-width: 700px){ .flow-row{ grid-template-columns: repeat(5, 1fr); } }
.flow-cell{ position: relative; background: var(--surface); padding: 32px 20px; text-align: center; overflow: hidden; }
.flow-cell .num{ font-family: var(--font-mono); color: var(--accent); font-weight: 700; font-size: 13px; display: block; margin-bottom: 10px; }
.flow-cell p{ font-size: 14px; margin: 0; }
.flow-cell::after{
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; animation: flowLight 6s linear infinite;
}
.flow-cell:nth-child(1)::after{ animation-delay: 0s; }
.flow-cell:nth-child(2)::after{ animation-delay: .5s; }
.flow-cell:nth-child(3)::after{ animation-delay: 1s; }
.flow-cell:nth-child(4)::after{ animation-delay: 1.5s; }
.flow-cell:nth-child(5)::after{ animation-delay: 2s; }
@keyframes flowLight{ 0%{ transform: scaleX(0); opacity:1; } 16%{ transform: scaleX(1); } 30%{ transform: scaleX(1); opacity:.25; } 31%{ transform: scaleX(0); opacity:0; } 100%{ transform: scaleX(0); opacity:0; } }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom: 1px solid var(--border); padding: 24px 0; }
.faq-item summary{ cursor: pointer; font-family: var(--font-display); font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{ content: '+'; color: var(--accent); font-size: 22px; font-weight: 300; transition: transform .3s ease; flex-shrink: 0; }
.faq-item[open] summary::after{ transform: rotate(135deg); }
.faq-item p{ margin-top: 14px; overflow: hidden; transition: max-height .35s cubic-bezier(.16,1,.3,1), opacity .3s ease, margin-top .35s ease; }

/* ---------- Form ---------- */
.field{ margin-bottom: 20px; text-align: left; }
.field label{ display: block; font-family: var(--font-mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.field input, .field textarea, .field select{
  width: 100%; background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  padding: 14px 16px; font-size: 15px; border-radius: var(--radius); font-family: var(--font-body);
}
.field input:focus, .field textarea:focus, .field select:focus{ outline: none; border-color: var(--accent); }
.field textarea{ resize: vertical; min-height: 110px; }
.radio-grid{ display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.radio-option{ border: 1px solid var(--border); padding: 13px 14px; cursor: pointer; font-size: 14px; display: flex; align-items: center; gap: 10px; border-radius: var(--radius); }
.radio-option:has(input:checked){ border-color: var(--accent); background: var(--accent-dim); color: var(--accent-hover); }
.file-drop{ border: 1.5px dashed var(--border); padding: 30px 16px; text-align: center; background: var(--surface-2); cursor: pointer; border-radius: var(--radius); }
.file-drop.is-dragover{ border-color: var(--accent); background: var(--accent-dim); }

/* ---------- Progress (kontakt) ---------- */
.progress-track{ display: flex; gap: 8px; margin-bottom: 32px; }
.progress-dot{ flex: 1; height: 3px; background: var(--border); position: relative; overflow: hidden; }
.progress-dot.active::after, .progress-dot.done::after{ content:''; position:absolute; inset:0; background: var(--accent); }

/* ---------- Footer ---------- */
main{ position: relative; z-index: 1; }
footer.site{ position: relative; z-index: 1; padding: 56px 0 100px; border-top: 1px solid var(--border); }
.footer-grid{ display: grid; gap: 32px; margin-bottom: 36px; }
@media(min-width: 700px){ .footer-grid{ grid-template-columns: repeat(4, 1fr); } }
.footer-grid h4{ font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: 14px; }
.footer-grid a, .footer-grid p{ display: block; font-size: 14px; color: var(--muted); padding: 4px 0; }
.footer-grid a:hover{ color: var(--text); }
.footer-bottom{ border-top: 1px solid var(--border); padding-top: 20px; font-family: var(--font-mono); font-size: 11px; color: var(--faint); }

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta{ position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 90; background: rgba(19,19,20,.9); backdrop-filter: blur(16px); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; }
.mobile-cta .btn{ width: 100%; justify-content: center; }
@media(min-width: 900px){ .mobile-cta{ display: none; } }
@media(max-width: 899px){ body{ padding-bottom: 84px; } }

/* ---------- Reveal ---------- */
.reveal{ opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------- Mesh / wireframe animation (modelovanie) ---------- */
.mesh-dot{ animation: meshPulse 2.4s ease-in-out infinite; }
@keyframes meshPulse{ 0%,100%{ opacity:.4; r:3; } 50%{ opacity:1; r:5; } }

/* ---------- Scan line (skenovanie) ---------- */
.scan-line{ animation: scanMove 3.2s cubic-bezier(.45,0,.55,1) infinite; }
@keyframes scanMove{ 0%{ transform: translateY(0); opacity:0; } 8%{ opacity:1; } 92%{ opacity:1; } 100%{ transform: translateY(260px); opacity:0; } }

/* ---------- Extrusion flow (materialy) ---------- */
.extrude-dash{ stroke-dasharray: 6 6; animation: dashFlow 1.2s linear infinite; }
@keyframes dashFlow{ to{ stroke-dashoffset: -24; } }

/* ---------- Batch progress bars (pre-firmy) ---------- */
.batch-bar{ position: relative; height: 6px; background: var(--border); border-radius: var(--radius); overflow: hidden; }
.batch-bar::after{ content:''; position:absolute; inset:0; background: var(--accent); transform: scaleX(0); transform-origin: left; animation: batchFill 4s ease-in-out infinite; }
.batch-bar.b2::after{ animation-delay: .5s; }
.batch-bar.b3::after{ animation-delay: 1s; }
.batch-bar.b4::after{ animation-delay: 1.5s; }
@keyframes batchFill{ 0%{ transform: scaleX(0); } 60%{ transform: scaleX(1); } 100%{ transform: scaleX(1); } }

/* ============================================================
   HD PARALLAX BACKGROUND FIELD
   Fixné vrstvené pozadie: žiary, perspektívna mriežka podlahy
   tlačiarne a stúpajúce častice. Reaguje na scroll (JS).
   ============================================================ */
.bg-field{
  position: fixed; inset: 0; z-index: 0;
  overflow: hidden; pointer-events: none;
  background:
    radial-gradient(ellipse 100% 60% at 50% 0%, #0C1016 0%, var(--bg) 55%);
}

.bg-glow{
  position: absolute; border-radius: 50%;
  filter: blur(70px); will-change: transform;
}
.bg-glow.g1{ width: 560px; height: 560px; top: -180px; left: -120px;
  background: radial-gradient(circle, rgba(45,232,255,.42), transparent 70%); }
.bg-glow.g2{ width: 680px; height: 680px; top: 30%; right: -220px;
  background: radial-gradient(circle, rgba(255,45,212,.26), transparent 70%); }
.bg-glow.g3{ width: 500px; height: 500px; bottom: -160px; left: 10%;
  background: radial-gradient(circle, rgba(45,232,255,.30), transparent 70%); }
.bg-glow.g4{ width: 420px; height: 420px; top: 65%; left: -160px;
  background: radial-gradient(circle, rgba(255,45,212,.20), transparent 70%); }

.bg-grid-floor{
  position: absolute; left: -60%; right: -60%; bottom: -20%; height: 90%;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(600px) rotateX(68deg);
  transform-origin: bottom;
  -webkit-mask-image: linear-gradient(to top, black 20%, transparent 85%);
  mask-image: linear-gradient(to top, black 20%, transparent 85%);
  will-change: background-position;
}

.bg-noise{
  position: absolute; inset: 0; opacity: .5;
  background-image: repeating-linear-gradient(to bottom, rgba(255,255,255,.018) 0px, rgba(255,255,255,.018) 1px, transparent 1px, transparent 7px);
}

.bg-particles{ position: absolute; inset: 0; }
.bg-particle{
  position: absolute; bottom: -20px; border-radius: 50%;
  background: #2DE8FF; filter: blur(.3px);
  animation-name: particleRise; animation-timing-function: linear; animation-iteration-count: infinite;
}
@keyframes particleRise{
  0%{ transform: translateY(0) translateX(0); opacity: 0; }
  8%{ opacity: .7; }
  92%{ opacity: .5; }
  100%{ transform: translateY(-110vh) translateX(var(--drift, 20px)); opacity: 0; }
}

@media (prefers-reduced-motion: reduce){
  .bg-particle{ animation: none; display: none; }
}

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.cookie-banner{
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 200;
  max-width: 720px; margin: 0 auto;
  background: rgba(19,19,20,.97); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 22px;
  transform: translateY(140%); opacity: 0;
  transition: transform .4s cubic-bezier(.16,1,.3,1), opacity .4s ease;
  pointer-events: none;
}
.cookie-banner.is-visible{ transform: translateY(0); opacity: 1; pointer-events: auto; }
.cookie-banner-inner{ display: flex; flex-direction: column; gap: 14px; }
@media(min-width: 700px){ .cookie-banner-inner{ flex-direction: row; align-items: center; justify-content: space-between; gap: 24px; } }
.cookie-text{ font-size: 13px; color: var(--muted); line-height: 1.5; margin: 0; }
.cookie-text a{ color: var(--accent); text-decoration: underline; }
.cookie-actions{ display: flex; gap: 8px; flex-wrap: wrap; flex-shrink: 0; }
.cookie-settings{ margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
.cookie-toggle{ display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.cookie-toggle input{ width: auto; }