:root {
  --bg: #05070d;
  --bg2: #080c17;
  --panel: #0c1222;
  --line: rgba(160, 180, 230, .12);
  --text: #e9edf6;
  --muted: #8d97ad;
  --brand: #213880;
  --brand-2: #3a5fd6;
  --brand-3: #7d9bff;
  --arc: #9fe6ff;
  --spark: #ffb547;
  --steam: #ff4a36;
  --hot: #ff8a1f;
  --cold: #39b4ff;
  --radius: 14px;
  --gutter: clamp(16px, 4vw, 48px);
  --font: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
.mono { font-family: var(--mono); }
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter); }
::selection { background: var(--brand-2); color: #fff; }

/* ---------- uvod: paljenje luka ---------- */
#arc-intro {
  position: fixed; inset: 0; z-index: 100;
  background: #000;
  display: grid; place-items: center;
  pointer-events: none;
  animation: introOut .6s ease 1.5s forwards;
}
.arc-flash {
  position: absolute; width: 14px; height: 14px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 40px 18px #bfefff, 0 0 140px 60px rgba(90, 170, 255, .55);
  animation: flash 1.4s steps(1) forwards, flashGrow 1.5s ease forwards;
}
.arc-logo { width: min(260px, 60vw); opacity: 0; animation: logoIn .8s ease .75s forwards; }
@keyframes flash {
  0%, 12%, 26%, 44% { opacity: 1; }
  8%, 20%, 34% { opacity: .15; }
  60% { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes flashGrow { 0% { transform: scale(.4); } 55% { transform: scale(1.4); } 100% { transform: scale(9); opacity: 0; } }
@keyframes logoIn { from { opacity: 0; transform: scale(.92); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes introOut { to { opacity: 0; visibility: hidden; } }
.no-intro #arc-intro { display: none; }

/* ---------- traka napretka (zavar) ---------- */
#weld-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; pointer-events: none; }
#weld-progress span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, #3a2a20, #8a4b1d 60%, var(--spark) 92%, #fff);
  box-shadow: 0 0 12px var(--spark), 0 0 3px #fff;
}

/* ---------- navigacija ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  padding: 14px var(--gutter);
  transition: background .3s, backdrop-filter .3s, padding .3s, border-color .3s;
  border-bottom: 1px solid transparent;
  background: linear-gradient(180deg, rgba(5, 7, 13, .75), rgba(5, 7, 13, 0));
}
.nav.scrolled {
  background: rgba(5, 7, 13, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  padding-top: 10px; padding-bottom: 10px;
}
.nav-logo img { height: 46px; width: auto; }
.nav-links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav-links a { text-decoration: none; font-weight: 600; font-size: 15px; color: #c6cde0; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  padding: 9px 18px; border-radius: 999px;
  background: var(--brand); color: #fff !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .15);
}
.nav-cta:hover { background: var(--brand-2); }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button { background: none; border: 0; padding: 6px 10px; font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: .04em; }
.lang button.on { background: rgba(125, 155, 255, .16); color: #fff; }
.burger { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; }
.burger span { position: absolute; left: 9px; right: 9px; height: 2px; background: #fff; transition: transform .3s, top .3s; }
.burger span:first-child { top: 15px; }
.burger span:last-child { top: 23px; }
.nav.open .burger span:first-child { top: 19px; transform: rotate(45deg); }
.nav.open .burger span:last-child { top: 19px; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; height: 100svh; min-height: 620px; overflow: hidden; background: radial-gradient(120% 90% at 70% 40%, #0d1630 0%, var(--bg) 60%); }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-fallback { position: absolute; inset: 0; display: none; background: radial-gradient(40% 40% at 70% 50%, rgba(255, 140, 40, .25), transparent 70%), radial-gradient(60% 60% at 30% 70%, rgba(58, 95, 214, .25), transparent 70%); }
.no-webgl .hero-fallback { display: block; }
.hero-shade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 7, 13, .92) 0%, rgba(5, 7, 13, .55) 38%, rgba(5, 7, 13, 0) 65%),
    linear-gradient(0deg, var(--bg) 0%, rgba(5, 7, 13, 0) 22%);
}
.hero-inner {
  position: relative; z-index: 2;
  height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  padding: 90px var(--gutter) 60px;
  max-width: 1240px; margin: 0 auto;
  pointer-events: none;
}
.hero-inner > * { pointer-events: auto; max-width: 640px; }
.kicker {
  font-family: var(--mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--arc); margin: 0 0 18px;
  display: flex; align-items: center; gap: 12px;
}
.kicker::before { content: ""; width: 34px; height: 2px; background: linear-gradient(90deg, transparent, var(--arc)); box-shadow: 0 0 10px var(--arc); }
.hero-title {
  font-size: clamp(42px, 6.6vw, 88px);
  line-height: .95; letter-spacing: -.035em; font-weight: 900;
  margin: 0 0 26px;
  text-wrap: balance;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(100deg, #fff 0%, var(--spark) 35%, var(--hot) 60%, var(--steam) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 22px rgba(255, 138, 31, .45));
}
.hero-lead { font-size: clamp(17px, 1.6vw, 20px); color: #c3cadb; margin: 0 0 34px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 999px;
  font-weight: 700; font-size: 16px; text-decoration: none; border: 0;
  transition: transform .2s, box-shadow .3s, background .3s;
}
.btn:active { transform: scale(.97); }
.btn-arc {
  color: #05070d;
  background: linear-gradient(100deg, #fff, var(--arc) 45%, #6aa8ff);
  box-shadow: 0 0 0 0 rgba(159, 230, 255, .6), 0 10px 40px -10px rgba(159, 230, 255, .7);
}
.btn-arc:hover { box-shadow: 0 0 0 6px rgba(159, 230, 255, .15), 0 10px 50px -6px rgba(159, 230, 255, .9); }
.btn-ghost { color: #fff; background: rgba(255, 255, 255, .06); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-block { width: 100%; }

.hud {
  position: absolute; z-index: 3; bottom: 36px;
  font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
}
.hud-left {
  right: var(--gutter); bottom: 92px;
  display: none;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: rgba(5, 7, 13, .5); backdrop-filter: blur(8px);
  color: var(--muted);
}
.hud-row { display: flex; align-items: center; gap: 8px; line-height: 1.9; }
.hud-row b { color: var(--arc); font-weight: 600; min-width: 3ch; display: inline-block; text-align: right; }
.hud-dot { width: 8px; height: 8px; border-radius: 50%; background: #ff3b3b; box-shadow: 0 0 10px #ff3b3b; animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .25; } }
.hud-right { right: var(--gutter); display: flex; gap: 8px; }
.hud-right button {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 13px; border-radius: 999px;
  background: rgba(5, 7, 13, .55); border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #c8cfe0;
  transition: border-color .2s, background .2s;
}
.hud-right button i { width: 10px; height: 10px; border-radius: 50%; }
.hud-right button.on, .hud-right button:hover { border-color: rgba(255, 255, 255, .45); background: rgba(255, 255, 255, .08); color: #fff; }
.lg-steam i, .c-steam { background: var(--steam); box-shadow: 0 0 10px var(--steam); }
.lg-hot i, .c-hot { background: var(--hot); box-shadow: 0 0 10px var(--hot); }
.lg-cold i, .c-cold { background: var(--cold); box-shadow: 0 0 10px var(--cold); }
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; z-index: 3; transform: translateX(-50%);
  width: 24px; height: 40px; border-radius: 12px; border: 2px solid rgba(255, 255, 255, .35);
}
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 2px; background: #fff; animation: scrollDot 1.8s infinite; }
@keyframes scrollDot { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- ticker ---------- */
.ticker { overflow: hidden; border-block: 1px solid var(--line); background: var(--bg2); padding: 18px 0; }
.ticker-track { display: flex; gap: 34px; width: max-content; animation: ticker 40s linear infinite; }
.ticker span { font-size: clamp(20px, 2.6vw, 32px); font-weight: 800; letter-spacing: -.01em; white-space: nowrap; color: #d9def0; }
.ticker b { color: var(--spark); align-self: center; font-size: 18px; text-shadow: 0 0 12px var(--spark); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- sekcije ---------- */
.section { padding: clamp(80px, 12vw, 150px) 0; position: relative; }
.section-dark { background: linear-gradient(180deg, var(--bg2), #070a14); border-block: 1px solid var(--line); }
.sec-head { margin-bottom: clamp(40px, 6vw, 70px); max-width: 760px; }
.sec-num { font-family: var(--mono); color: var(--brand-3); font-size: 13px; letter-spacing: .2em; margin: 0 0 10px; }
.sec-num::after { content: " ——"; color: rgba(125, 155, 255, .4); }
h2 { font-size: clamp(34px, 5vw, 62px); line-height: 1.02; letter-spacing: -.03em; font-weight: 900; margin: 0 0 20px; text-wrap: balance; }
.sec-lead { color: var(--muted); font-size: clamp(17px, 1.5vw, 19px); margin: 0; max-width: 640px; }

.reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s cubic-bezier(.2, .7, .2, 1), transform .9s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- kartice usluga ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; perspective: 1200px; }
.card {
  position: relative; overflow: hidden;
  padding: 30px 28px 32px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(33, 56, 128, .22), rgba(12, 18, 34, .9) 55%);
  border: 1px solid var(--line);
  transform-style: preserve-3d;
  transition: transform .25s ease, border-color .3s;
  will-change: transform;
}
.card:hover { border-color: rgba(159, 230, 255, .35); }
.card-glow {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(159, 230, 255, .18), transparent 60%);
}
.card:hover .card-glow { opacity: 1; }
.card-ico { width: 56px; height: 56px; margin-bottom: 22px; fill: none; stroke: var(--arc); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 8px rgba(159, 230, 255, .45)); transform: translateZ(30px); }
.card h3 { font-size: 23px; letter-spacing: -.01em; margin: 0 0 10px; transform: translateZ(20px); }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card::after {
  content: ""; position: absolute; left: 28px; right: 28px; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--spark), transparent);
  transform: scaleX(0); transition: transform .5s;
}
.card:hover::after { transform: scaleX(1); }

/* ---------- mediji ---------- */
.media { display: grid; grid-template-columns: 1.35fr 1fr; grid-template-areas: "tabs tabs" "stage text"; gap: 26px 40px; align-items: center; }
.media-tabs { grid-area: tabs; display: flex; gap: 10px; flex-wrap: wrap; }
.mt {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .03);
  font-weight: 700; font-size: 15px; color: var(--muted);
  transition: all .25s;
}
.mt i { width: 10px; height: 10px; border-radius: 50%; }
.mt.active { color: #fff; background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .35); }
.media-stage {
  grid-area: stage; position: relative;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  background: radial-gradient(80% 80% at 50% 50%, #0d1428, #05070d);
  aspect-ratio: 16 / 10;
}
#flow-canvas { width: 100%; height: 100%; }
.gauge { position: absolute; right: 14px; top: 14px; width: 128px; padding: 8px 8px 4px; border-radius: 12px; background: rgba(5, 7, 13, .7); border: 1px solid var(--line); backdrop-filter: blur(6px); }
.gauge svg { width: 100%; height: auto; }
.g-track { fill: none; stroke: rgba(255, 255, 255, .1); stroke-width: 12; stroke-linecap: round; }
.g-fill { fill: none; stroke: var(--steam); stroke-width: 12; stroke-linecap: round; stroke-dasharray: 252; stroke-dashoffset: 252; transition: stroke-dashoffset 1.2s cubic-bezier(.3, 1.4, .5, 1), stroke .4s; }
.g-ticks line { stroke: rgba(255, 255, 255, .35); stroke-width: 2; }
#g-needle { stroke: #fff; stroke-width: 4; stroke-linecap: round; transform-origin: 100px 110px; transition: transform 1.2s cubic-bezier(.3, 1.5, .5, 1); }
.g-hub { fill: #fff; }
.g-label { margin: 0; text-align: center; font-size: 13px; color: #fff; letter-spacing: .04em; }
.media-text { grid-area: text; }
.media-text h3 { font-size: clamp(28px, 3vw, 38px); margin: 0 0 12px; letter-spacing: -.02em; }
.media-text p { color: var(--muted); margin: 0 0 20px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 30px; font-weight: 600; }
.checks li::before { content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 9px; border-left: 3px solid var(--spark); border-bottom: 3px solid var(--spark); transform: rotate(-45deg); filter: drop-shadow(0 0 4px var(--spark)); }
.fade-swap { animation: swap .5s ease; }
@keyframes swap { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- proces ---------- */
.process { position: relative; }
.proc-pipe {
  position: absolute; left: 0; right: 0; top: 22px; height: 16px; border-radius: 8px;
  background: linear-gradient(180deg, #4b5468, #1b2130 45%, #0d111b 55%, #2b3242);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 8px 30px rgba(0, 0, 0, .6);
}
.proc-bead {
  position: absolute; left: 0; top: 50%; height: 8px; margin-top: -4px; width: 0;
  border-radius: 4px;
  background:
    repeating-linear-gradient(90deg, rgba(0, 0, 0, .35) 0 2px, transparent 2px 6px),
    linear-gradient(90deg, #6d7180 0%, #8a7c6a 60%, #c06a2a 84%, #ffb547 95%, #fff 100%);
}
.proc-tip {
  position: absolute; right: -8px; top: 50%; width: 16px; height: 16px; margin-top: -8px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 18px 8px rgba(159, 230, 255, .8), 0 0 50px 20px rgba(255, 181, 71, .35);
  opacity: 0; transition: opacity .3s;
}
.process.welding .proc-tip { opacity: 1; animation: tipFlicker .09s infinite alternate; }
@keyframes tipFlicker { to { transform: scale(.75); opacity: .8; } }
.proc-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.proc-steps li { padding-top: 70px; position: relative; opacity: .35; transition: opacity .5s; }
.proc-steps li::before {
  content: ""; position: absolute; top: 18px; left: 0; width: 24px; height: 24px; border-radius: 50%;
  background: #0d111b; border: 3px solid #3a4256; transition: all .4s;
}
.proc-steps li.lit { opacity: 1; }
.proc-steps li.lit::before { border-color: var(--spark); background: #2a1708; box-shadow: 0 0 16px var(--spark); }
.proc-steps b { font-family: var(--mono); color: var(--spark); font-size: 13px; letter-spacing: .1em; }
.proc-steps h4 { margin: 6px 0 8px; font-size: 19px; letter-spacing: -.01em; }
.proc-steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- simulator ---------- */
.sim {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 21 / 9; min-height: 300px;
  background: #222;
  touch-action: none;
  user-select: none; -webkit-user-select: none;
}
#sim-canvas { width: 100%; height: 100%; cursor: crosshair; }
.sim-start {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px; border-radius: 999px;
  background: rgba(5, 7, 13, .75); border: 1px solid rgba(255, 255, 255, .2);
  font-weight: 700; pointer-events: none;
  transition: opacity .4s;
  animation: pulse 2s infinite;
}
.sim-start svg { width: 28px; height: 28px; fill: none; stroke: var(--arc); stroke-width: 3; stroke-linecap: round; }
.sim-start.hide { opacity: 0; animation: none; }
@keyframes pulse { 50% { box-shadow: 0 0 0 10px rgba(159, 230, 255, .08); } }
.sim-hud {
  position: absolute; left: 14px; right: 14px; bottom: 14px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  font-size: 13px; color: #cfd6e6; pointer-events: none;
}
.sim-hud > div { padding: 7px 12px; border-radius: 8px; background: rgba(5, 7, 13, .72); border: 1px solid var(--line); }
.sim-hud b { color: var(--spark); }
.sim-btn { pointer-events: auto; padding: 7px 12px; border-radius: 8px; background: rgba(5, 7, 13, .72); border: 1px solid var(--line); font-size: 13px; font-family: var(--mono); }
#sim-sound { margin-left: auto; }
.sim-btn:hover { border-color: rgba(255, 255, 255, .4); }
.sim-result {
  position: absolute; left: 50%; top: 18px; transform: translate(-50%, -20px);
  padding: 10px 20px; border-radius: 999px;
  background: rgba(5, 7, 13, .85); border: 1px solid var(--spark);
  font-weight: 800; color: #fff; white-space: nowrap;
  opacity: 0; transition: all .4s; pointer-events: none;
  box-shadow: 0 0 30px rgba(255, 181, 71, .3);
}
.sim-result.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- mapa ---------- */
.area { display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px; align-items: center; }
.chips { list-style: none; padding: 0; margin: 30px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); font-size: 14px; font-weight: 600; color: #c7cee0; background: rgba(255, 255, 255, .02); }
.chips .chip-main { background: var(--brand); border-color: var(--brand-2); color: #fff; box-shadow: 0 0 20px rgba(58, 95, 214, .5); }
.map { position: relative; aspect-ratio: 1 / 1; }
#map-canvas { width: 100%; height: 100%; }

/* ---------- zašto ---------- */
.why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.why-item { padding: 28px 24px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.why-n { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px; background: var(--brand); font-size: 22px; font-weight: 800; box-shadow: 0 0 24px rgba(58, 95, 214, .5); }
.why-item h4 { margin: 0 0 8px; font-size: 20px; }
.why-item p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* ---------- kontakt ---------- */
.contact-sec { background: radial-gradient(60% 70% at 85% 60%, rgba(33, 56, 128, .35), transparent 70%); }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.ct-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 34px; }
.ct-card { padding: 16px 18px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.ct-card small { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 4px; }
.ct-card b { font-size: 16px; word-break: break-word; }
.ct-card b a { text-decoration: none; }
.ct-card b.pending { color: var(--muted); font-weight: 500; }
.form { display: grid; gap: 16px; padding: clamp(22px, 3vw, 34px); border-radius: 18px; border: 1px solid var(--line); background: rgba(8, 12, 23, .8); backdrop-filter: blur(10px); }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
.form input, .form select, .form textarea {
  width: 100%; padding: 13px 14px; border-radius: 10px;
  border: 1px solid rgba(160, 180, 230, .2); background: rgba(255, 255, 255, .03);
  color: var(--text); font: inherit; font-size: 16px;
  transition: border-color .2s, box-shadow .2s;
}
.form select option { background: #0c1222; }
.form textarea { resize: vertical; min-height: 120px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--arc); box-shadow: 0 0 0 4px rgba(159, 230, 255, .12); }
.f-note { margin: 0; font-size: 14px; color: var(--arc); min-height: 1.2em; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 50px 0 40px; background: #03050a; }
.foot { display: grid; justify-items: center; text-align: center; gap: 10px; }
.foot-logo { height: 64px; width: auto; margin-bottom: 8px; }
.foot p { margin: 0; color: var(--muted); font-size: 14px; }
.foot a { color: #c7cee0; }
.foot-credit { font-size: 12px !important; opacity: .7; }

/* ---------- responzivno ---------- */
@media (min-width: 900px) { .hud-left { display: block; } }
@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .why { grid-template-columns: repeat(2, 1fr); }
  .proc-steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .proc-pipe { display: none; }
  .proc-steps li::before { top: 26px; }
  .proc-steps li { padding-top: 64px; }
}
@media (max-width: 900px) {
  .nav { gap: 12px; }
  .nav-logo img { height: 38px; }
  .burger { display: block; }
  .lang { margin-left: auto; }
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 84vw);
    flex-direction: column; align-items: flex-start; gap: 4px;
    padding: 90px 28px 30px;
    background: rgba(5, 7, 13, .97); border-left: 1px solid var(--line);
    transform: translateX(100%); transition: transform .35s cubic-bezier(.2, .7, .2, 1);
    margin: 0;
  }
  .nav-links a { font-size: 20px; padding: 10px 0; }
  .nav-links .nav-cta { margin-top: 12px; padding: 12px 22px; }
  .nav.open .nav-links { transform: none; }
  .nav .burger { z-index: 2; }
  .media { grid-template-columns: 1fr; grid-template-areas: "tabs" "stage" "text"; }
  .area, .contact { grid-template-columns: 1fr; }
  .map { max-width: 560px; width: 100%; margin: 0 auto; }
  .hero-shade { background: linear-gradient(180deg, rgba(5, 7, 13, .2) 0%, rgba(5, 7, 13, .55) 45%, rgba(5, 7, 13, .9) 75%, var(--bg) 100%); }
  .hero-inner { justify-content: flex-end; padding-bottom: 110px; }
  .hud-right { left: var(--gutter); right: var(--gutter); bottom: 30px; justify-content: flex-start; flex-wrap: wrap; }
  .scroll-hint { display: none; }
  .sim { aspect-ratio: 4 / 3; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .cards, .why { grid-template-columns: 1fr; }
  .proc-steps { grid-template-columns: 1fr 1fr; }
  .f-row, .ct-cards { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 auto; }
  .hud-right button { padding: 7px 10px; font-size: 11px; }
  .sim { aspect-ratio: 3 / 4; }
  .sim-hud { gap: 8px; font-size: 12px; }
  .lang button { padding: 6px 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .ticker-track { animation: none; }
  #arc-intro { display: none; }
}
.chips .chip-hq { border-color: var(--spark); color: #fff; box-shadow: 0 0 16px rgba(255, 181, 71, .35); }
.sim-start { white-space: nowrap; }
@media (max-width: 600px) { .sim-start { padding: 11px 16px; font-size: 14px; } }
@media (max-width: 600px) { .gauge { width: 92px; right: 8px; top: 8px; } .g-label { font-size: 10px; } }

/* ---------- pravne stranice ---------- */
.legal-back { margin-left: auto; text-decoration: none; font-size: 22px; color: #c6cde0; padding: 4px 10px; }
.legal-back:hover { color: #fff; }
.legal-page .lang { margin-left: 0; }
.legal { max-width: 820px; margin: 0 auto; padding: 130px var(--gutter) 90px; }
.legal h1 { font-size: clamp(30px, 6vw, 58px); hyphens: auto; overflow-wrap: break-word; line-height: 1.05; letter-spacing: -.03em; margin: 0 0 34px; }
.legal h2 { font-size: 19px; letter-spacing: -.01em; margin: 34px 0 8px; color: #fff; }
.legal p { margin: 0 0 12px; color: #c3cadb; overflow-wrap: anywhere; }
.legal a { color: var(--arc); }
.legal .legal-small { margin-top: 40px; font-size: 14px; color: var(--muted); }