:root{
  --bg:#050505;
  --bg-2:#0b0b0b;
  --card:#111111;
  --text:#f5f5f5;
  --muted:rgba(255,255,255,.70);
  --line:rgba(255,255,255,.08);
  --gold:#d4af37;
  --gold-2:#f0d779;
  --gold-soft:rgba(212,175,55,.14);
  --shadow-soft:0 10px 30px rgba(0,0,0,.28);
  --shadow-gold:0 0 30px rgba(212,175,55,.12);
  --radius-xl:34px;
  --radius-lg:26px;
  --radius-md:20px;
  --transition:.32s cubic-bezier(.22,.8,.24,1);
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top center, rgba(212,175,55,.12), transparent 35%),
    linear-gradient(180deg, #050505 0%, #080808 100%);
  color:var(--text);
  overflow-x:hidden;
}

body.mode-elektro{
  --mode-accent:rgba(212,175,55,.16);
  --mode-glow:rgba(212,175,55,.22);
}

body.mode-stavba{
  --mode-accent:rgba(190,145,80,.14);
  --mode-glow:rgba(175,120,55,.20);
}

body.mode-uklid{
  --mode-accent:rgba(180,220,255,.10);
  --mode-glow:rgba(210,235,255,.13);
}

img{
  max-width:100%;
  display:block;
}

a{
  color:inherit;
  text-decoration:none;
}

button{
  font:inherit;
  background:none;
  border:none;
}

.container{
  width:min(1180px, calc(100% - 32px));
  margin:0 auto;
}

/* ===== INTRO ===== */

body.lux-intro-lock{
  overflow:hidden !important;
}

.lux-intro{
  position:fixed;
  inset:0;
  z-index:999999;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#020202;
  overflow:hidden;
  transition:opacity .9s ease, visibility .9s ease;
}

.lux-intro.is-hidden{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}

.lux-intro__bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 48%, rgba(212,175,55,.10), transparent 24%),
    radial-gradient(circle at 50% 50%, rgba(255,255,255,.02), transparent 52%),
    linear-gradient(180deg, #010101 0%, #040404 100%);
  animation:luxBgIn 2.8s ease forwards;
}

.lux-intro__glow{
  position:absolute;
  left:50%;
  top:50%;
  width:360px;
  height:360px;
  transform:translate(-50%,-50%);
  border-radius:999px;
  background:radial-gradient(circle, rgba(212,175,55,.24), transparent 68%);
  filter:blur(48px);
  opacity:0;
  animation:luxGlowIn 2.4s ease .15s forwards, luxGlowPulse 3.6s ease-in-out 1.2s infinite;
}

.lux-intro__particles{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.22;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(212,175,55,.30) 0 1px, transparent 2px),
    radial-gradient(circle at 75% 35%, rgba(255,255,255,.18) 0 1px, transparent 2px),
    radial-gradient(circle at 60% 70%, rgba(212,175,55,.24) 0 1px, transparent 2px),
    radial-gradient(circle at 35% 75%, rgba(255,255,255,.12) 0 1px, transparent 2px);
  animation:luxParticles 8s linear infinite;
}

.lux-intro__center{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  z-index:3;
  width:100%;
  height:100%;
}

.lux-intro__logo-shell{
  position:relative;
  width:126px;
  height:126px;
  margin:0 auto;
  opacity:0;
  transform:translateY(18px) scale(.86);
  filter:blur(8px);
  animation:luxLogoIn 1.05s cubic-bezier(.22,.8,.24,1) .25s forwards;
}

.lux-intro__logo{
  width:126px;
  height:126px;
  object-fit:contain;
  border-radius:28px;
  border:1px solid rgba(212,175,55,.18);
  box-shadow:0 0 34px rgba(212,175,55,.14);
  position:relative;
  z-index:2;
}

.lux-intro__ring{
  position:absolute;
  inset:-12px;
  border-radius:34px;
  border:1px solid rgba(212,175,55,.22);
  opacity:0;
  transform:scale(.92);
  animation:luxRingIn .8s ease .75s forwards, luxRingPulse 2.8s ease-in-out 1.4s infinite;
}

.lux-intro__ring::after{
  content:"";
  position:absolute;
  top:-1px;
  left:-20%;
  width:38%;
  height:calc(100% + 2px);
  border-radius:34px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.55), rgba(212,175,55,.45), transparent);
  filter:blur(8px);
  opacity:0;
  animation:luxSweep 1.2s ease 1.05s forwards;
}

.lux-intro__line{
  width:0;
  height:2px;
  margin:20px auto 0;
  background:linear-gradient(to right, transparent, rgba(212,175,55,.95), transparent);
  box-shadow:0 0 14px rgba(212,175,55,.18);
  opacity:0;
  animation:luxLineIn .7s ease 1.15s forwards;
}

body.lux-intro-lock .site-header,
body.lux-intro-lock main{
  visibility:hidden;
}

body.lux-intro-done .site-header,
body.lux-intro-done main{
  visibility:visible;
}

@keyframes luxBgIn{
  from{ transform:scale(1.05); opacity:.4; }
  to{ transform:scale(1); opacity:1; }
}

@keyframes luxGlowIn{
  from{ opacity:0; transform:translate(-50%,-50%) scale(.72); }
  to{ opacity:.62; transform:translate(-50%,-50%) scale(1); }
}

@keyframes luxGlowPulse{
  0%,100%{ transform:translate(-50%,-50%) scale(1); opacity:.56; }
  50%{ transform:translate(-50%,-50%) scale(1.08); opacity:.78; }
}

@keyframes luxParticles{
  from{ transform:translateY(0); }
  to{ transform:translateY(-20px); }
}

@keyframes luxLogoIn{
  from{
    opacity:0;
    transform:translateY(18px) scale(.86);
    filter:blur(8px);
  }
  to{
    opacity:1;
    transform:translateY(0) scale(1);
    filter:blur(0);
  }
}

@keyframes luxRingIn{
  from{ opacity:0; transform:scale(.92); }
  to{ opacity:1; transform:scale(1); }
}

@keyframes luxRingPulse{
  0%,100%{ transform:scale(1); opacity:.75; }
  50%{ transform:scale(1.03); opacity:1; }
}

@keyframes luxSweep{
  0%{ left:-22%; opacity:0; }
  18%{ opacity:1; }
  100%{ left:82%; opacity:0; }
}

@keyframes luxLineIn{
  from{ width:0; opacity:0; }
  to{ width:86px; opacity:.85; }
}

/* ===== HEADER ===== */

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  backdrop-filter:blur(16px);
  background:rgba(7,7,7,.72);
  border-bottom:1px solid rgba(212,175,55,.08);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:16px;
}

.logo-wrap{
  display:flex;
  align-items:center;
}

.logo{
  width:64px;
  height:64px;
  object-fit:contain;
  border-radius:18px;
  border:1px solid rgba(212,175,55,.22);
  box-shadow:0 0 18px rgba(212,175,55,.08);
}

.top-nav{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
}

.top-nav a{
  color:rgba(255,255,255,.82);
  font-weight:700;
  transition:var(--transition);
}

.top-nav a:hover{
  color:var(--gold-2);
  transform:translateY(-1px);
}

/* ===== HERO ===== */

.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  align-items:center;
  overflow:hidden;
  transition:background .55s ease;
}

body.mode-elektro .hero{
  background:
    linear-gradient(rgba(0,0,0,.56), rgba(0,0,0,.72)),
    url("hero.jpg.JPG") center/cover no-repeat;
}

body.mode-stavba .hero{
  background:
    linear-gradient(rgba(0,0,0,.60), rgba(0,0,0,.76)),
    url("Cyhla.jpg.JPG") center/cover no-repeat;
}

body.mode-uklid .hero{
  background:
    linear-gradient(rgba(0,0,0,.60), rgba(0,0,0,.78)),
    url("Body ON.jpg.JPG") center/cover no-repeat;
}

.hero-bg-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at center, var(--mode-accent), transparent 42%),
    linear-gradient(to bottom, rgba(0,0,0,.12), rgba(0,0,0,.56));
  transition:background .45s ease;
}

.hero-orbit{
  position:absolute;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  pointer-events:none;
  transition:border-color .45s ease, transform .45s ease;
}

.orbit-1{
  width:560px;
  height:560px;
  right:-120px;
  top:120px;
  animation:orbitFloat1 8s ease-in-out infinite;
}

.orbit-2{
  width:340px;
  height:340px;
  left:-90px;
  bottom:120px;
  animation:orbitFloat2 7s ease-in-out infinite;
}

.hero-content{
  position:relative;
  z-index:2;
  padding:120px 0 90px;
}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
  gap:30px;
  align-items:center;
}

.hero-copy-block{
  max-width:860px;
}

.hero-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:16px 26px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(12px);
  color:#f7f7f7;
  font-size:clamp(15px,2vw,22px);
  line-height:1.45;
  margin-bottom:30px;
  transition:opacity .25s ease, transform .25s ease;
}

.hero-brand{
  margin-bottom:24px;
}

.hero-brand-top{
  color:var(--gold);
  font-size:clamp(24px,3vw,44px);
  letter-spacing:.2em;
  margin-bottom:4px;
}

.hero-brand-main{
  font-size:clamp(74px,14vw,190px);
  font-weight:900;
  line-height:.95;
  letter-spacing:-.05em;
  background:linear-gradient(180deg, #ffffff 0%, #d8d8d8 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.hero-brand-mid{
  color:var(--gold);
  font-size:clamp(26px,5vw,74px);
  letter-spacing:.22em;
  margin-top:12px;
}

.hero-brand-bottom{
  color:var(--gold);
  font-size:clamp(20px,3vw,44px);
  letter-spacing:.2em;
  margin-top:8px;
}

.hero-copy{
  min-height:320px;
}

.hero-copy h1{
  font-size:clamp(34px,6vw,72px);
  line-height:1.02;
  max-width:980px;
  margin:0 0 18px;
  letter-spacing:-.03em;
  transition:opacity .25s ease, transform .25s ease;
  text-shadow:0 10px 28px rgba(0,0,0,.34);
}

.hero-copy p{
  max-width:860px;
  font-size:clamp(18px,2.15vw,27px);
  color:rgba(255,255,255,.86);
  line-height:1.7;
  transition:opacity .25s ease, transform .25s ease;
  text-shadow:0 6px 16px rgba(0,0,0,.26);
}

.hero-socials{
  margin-top:24px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-start;
  perspective:1000px;
}

.hero-socials--cta{
  justify-content:center;
}

.social-btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:150px;
  min-height:54px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid rgba(212,175,55,.32);
  background:linear-gradient(to bottom, rgba(255,255,255,.06), rgba(255,255,255,.03));
  color:var(--gold-2);
  font-weight:800;
  backdrop-filter:blur(12px);
  box-shadow:0 0 22px rgba(212,175,55,.08);
  transform-style:preserve-3d;
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease, color .35s ease;
  overflow:hidden;
}

.social-btn::before,
.social-btn::after{
  content:"";
  position:absolute;
  inset:-30%;
  pointer-events:none;
}

.social-btn::before{
  background:linear-gradient(120deg, transparent 35%, rgba(255,255,255,.10) 49%, rgba(212,175,55,.18) 50%, rgba(255,255,255,.10) 51%, transparent 65%);
  transform:translateX(-140%) rotate(10deg);
  transition:transform .9s ease;
}

.social-btn:hover{
  transform:translateY(-5px) rotateX(8deg) rotateY(-6deg) scale(1.02);
  border-color:rgba(212,175,55,.56);
  box-shadow:0 14px 34px rgba(0,0,0,.25), 0 0 28px rgba(212,175,55,.14);
  color:#fff3c4;
}

.social-btn:hover::before{
  transform:translateX(140%) rotate(10deg);
}

.hero-visual{
  display:flex;
  justify-content:flex-end;
  min-height:380px;
}

.hero-visual-card{
  position:relative;
  width:min(100%, 430px);
  min-height:380px;
  padding:30px;
  border-radius:34px;
  border:1px solid rgba(212,175,55,.18);
  background:linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft), 0 0 30px rgba(212,175,55,.08);
  overflow:hidden;
  transition:
    opacity .35s ease,
    transform .45s cubic-bezier(.22,.8,.24,1),
    background .45s ease,
    box-shadow .45s ease,
    border-color .45s ease,
    color .45s ease;
}

.hero-visual-card::before{
  content:"";
  position:absolute;
  inset:-20%;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.08), transparent 32%);
  pointer-events:none;
}

.hero-visual-glow{
  position:absolute;
  width:220px;
  height:220px;
  right:-40px;
  bottom:-30px;
  border-radius:999px;
  background:radial-gradient(circle, var(--mode-glow), transparent 68%);
  filter:blur(18px);
}

.hero-visual-label{
  position:relative;
  z-index:2;
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(212,175,55,.32);
  color:var(--gold-2);
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:16px;
  transition:opacity .25s ease, transform .25s ease;
}

.hero-visual-title{
  position:relative;
  z-index:2;
  font-size:clamp(30px,4vw,42px);
  line-height:1.05;
  font-weight:900;
  max-width:10ch;
  margin-bottom:16px;
  transition:opacity .25s ease, transform .25s ease;
}

.hero-visual-text{
  position:relative;
  z-index:2;
  max-width:30ch;
  color:rgba(255,255,255,.76);
  font-size:16px;
  line-height:1.75;
  transition:opacity .25s ease, transform .25s ease;
}

.hero-main-switch{
  margin-top:26px;
  display:flex;
  flex-wrap:nowrap !important;
  justify-content:center;
  gap:12px;
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  padding-bottom:4px;
}

.hero-main-switch::-webkit-scrollbar{
  display:none;
}

.hero-arrow{
  margin:30px auto 0;
  display:flex;
  align-items:center;
  justify-content:center;
  width:60px;
  height:60px;
  border-radius:999px;
  color:var(--gold);
  font-size:44px;
  cursor:pointer;
  animation:heroArrowFloat 2.2s ease-in-out infinite;
  transition:transform .25s ease;
}

.hero-arrow:hover{
  transform:translateY(2px) scale(1.06);
}

/* ===== COMMON 3D ===== */

.tilt-card{
  transform-style:preserve-3d;
  transition:transform .38s cubic-bezier(.22,.8,.24,1), box-shadow .38s ease, border-color .38s ease;
  will-change:transform;
}

.tilt-card:hover{
  transform:translateY(-8px) rotateX(6deg) rotateY(-6deg);
}

.mode-card:hover{
  transform:translateY(-10px) rotateX(7deg) rotateY(-7deg) scale(1.01);
}

.electro-card:hover{
  box-shadow:0 18px 40px rgba(0,0,0,.28), 0 0 34px rgba(212,175,55,.16);
}

.build-card:hover{
  box-shadow:0 18px 40px rgba(0,0,0,.32), 0 0 26px rgba(170,120,70,.12);
}

.clean-card:hover{
  box-shadow:0 18px 40px rgba(0,0,0,.24), 0 0 30px rgba(210,235,255,.12);
}

/* ===== MODE EFFECTS ===== */

body.mode-elektro .hero-visual-card{
  border-color:rgba(212,175,55,.28);
  box-shadow:
    0 14px 36px rgba(0,0,0,.30),
    0 0 34px rgba(212,175,55,.16);
}

body.mode-elektro .hero-visual-card::after{
  content:"";
  position:absolute;
  inset:-30%;
  background:linear-gradient(120deg, transparent 35%, rgba(255,255,255,.08) 49%, rgba(212,175,55,.22) 50%, rgba(255,255,255,.08) 51%, transparent 65%);
  transform:translateX(-130%) rotate(10deg);
  animation:electroSweep 2.2s ease-in-out infinite;
  pointer-events:none;
}

body.mode-stavba .hero-visual-card{
  border-color:rgba(175,120,55,.24);
  box-shadow:
    0 16px 38px rgba(0,0,0,.34),
    0 0 26px rgba(175,120,55,.14);
}

body.mode-stavba .hero-visual-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(135deg, rgba(255,255,255,.03), transparent 35%),
    repeating-linear-gradient(
      135deg,
      rgba(255,255,255,.015) 0 10px,
      rgba(0,0,0,0) 10px 20px
    );
  mix-blend-mode:screen;
  opacity:.45;
  pointer-events:none;
}

body.mode-uklid .hero-visual-card{
  border-color:rgba(210,235,255,.22);
  box-shadow:
    0 14px 34px rgba(0,0,0,.24),
    0 0 28px rgba(210,235,255,.12);
}

body.mode-uklid .hero-visual-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.10), transparent 34%);
  opacity:.55;
  pointer-events:none;
}

.hero-visual-card.mode-flash{
  animation:modeCardFlash .55s cubic-bezier(.22,.8,.24,1);
}

.hero-copy.mode-flash,
.hero-badge.mode-flash{
  animation:modeTextFlash .42s cubic-bezier(.22,.8,.24,1);
}

/* ===== SECTIONS ===== */

.section{
  padding:92px 0;
  position:relative;
}

.section::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(circle at 50% 40%, var(--mode-accent), transparent 42%);
  opacity:.95;
  transition:background .45s ease;
}

.section-intro{
  margin-bottom:30px;
}

.section-intro h2{
  font-size:clamp(34px,6vw,68px);
  line-height:1.02;
  margin-bottom:16px;
  letter-spacing:-.03em;
}

.section-intro p{
  max-width:900px;
  color:var(--muted);
  font-size:clamp(18px,2vw,22px);
  line-height:1.7;
}

.section-kicker-wrap{
  margin-bottom:18px;
}

.section-kicker{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:12px 22px 12px 18px;
  border-radius:999px;
  border:1px solid rgba(212,175,55,.52);
  background:linear-gradient(to right, rgba(212,175,55,.28), rgba(255,255,255,.06));
  color:#f4d87a;
  font-weight:900;
  letter-spacing:.22em;
  text-transform:uppercase;
  box-shadow:0 0 28px rgba(212,175,55,.14);
  font-size:15px;
  line-height:1;
}

.section-kicker::before{
  content:"";
  width:10px;
  height:10px;
  border-radius:999px;
  background:linear-gradient(to bottom, #f6e29a, #d4af37);
  box-shadow:0 0 12px rgba(212,175,55,.35);
  flex:0 0 auto;
}

.section-kicker::after{
  content:"";
  width:34px;
  height:1px;
  background:linear-gradient(to right, rgba(212,175,55,.9), transparent);
  flex:0 0 auto;
  opacity:.9;
}

/* ===== SWITCHES ===== */

.main-service-switch{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:28px;
  padding:14px;
  border-radius:30px;
  border:1px solid rgba(212,175,55,.14);
  background:linear-gradient(to bottom, rgba(255,255,255,.03), rgba(255,255,255,.015));
  backdrop-filter:blur(12px);
  box-shadow:0 0 24px rgba(212,175,55,.05);
}

.main-service-switch--section{
  margin-bottom:34px;
}

.main-service-btn{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.035);
  color:rgba(255,255,255,.88);
  padding:15px 22px;
  border-radius:999px;
  cursor:pointer;
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease, background .28s ease, color .28s ease;
  font-size:15px;
  font-weight:800;
  min-height:52px;
  backdrop-filter:blur(10px);
}

.main-service-btn::after{
  content:"";
  position:absolute;
  inset:-30%;
  background:linear-gradient(120deg, transparent 35%, rgba(255,255,255,.10) 49%, rgba(212,175,55,.18) 50%, rgba(255,255,255,.10) 51%, transparent 65%);
  transform:translateX(-140%) rotate(10deg);
  transition:transform .75s ease;
  pointer-events:none;
}

.main-service-btn:hover{
  transform:translateY(-3px) scale(1.02);
  border-color:rgba(212,175,55,.38);
  box-shadow:0 0 18px rgba(212,175,55,.10);
  color:#fff;
}

.main-service-btn:hover::after{
  transform:translateX(140%) rotate(10deg);
}

.main-service-btn.active{
  background:linear-gradient(to right, rgba(212,175,55,.34), rgba(255,255,255,.08));
  border-color:rgba(212,175,55,.62);
  color:#fff3c4;
  box-shadow:0 0 28px rgba(212,175,55,.16), inset 0 0 0 1px rgba(255,255,255,.05);
  transform:translateY(-2px) scale(1.02);
}

.hero-main-switch .main-service-btn{
  flex:0 0 auto;
  min-width:170px;
}

/* ===== PANELS ===== */

.main-service-panel{
  display:none;
  animation:mainPanelIn .55s cubic-bezier(.2,.8,.2,1) both;
}

.main-service-panel.active{
  display:block;
}

.tabs-hint{
  margin:0 0 12px 4px;
  color:rgba(244,216,122,.92);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  text-shadow:0 0 14px rgba(212,175,55,.18);
}

.service-tabs{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:24px;
  padding:14px;
  border-radius:28px;
  border:1px solid rgba(212,175,55,.14);
  background:linear-gradient(to bottom, rgba(255,255,255,.03), rgba(255,255,255,.015));
  backdrop-filter:blur(12px);
  box-shadow:0 0 24px rgba(212,175,55,.05);
  align-items:stretch;
}

.service-tab{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.035);
  color:rgba(255,255,255,.86);
  padding:14px 20px;
  border-radius:999px;
  cursor:pointer;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  font-size:15px;
  font-weight:700;
  min-height:50px;
  backdrop-filter:blur(10px);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
  white-space:normal;
  text-align:center;
  line-height:1.25;
}

.service-tab::after{
  content:"";
  position:absolute;
  inset:-30%;
  background:linear-gradient(120deg, transparent 35%, rgba(255,255,255,.10) 49%, rgba(212,175,55,.18) 50%, rgba(255,255,255,.10) 51%, transparent 65%);
  transform:translateX(-140%) rotate(10deg);
  transition:transform .75s ease;
  pointer-events:none;
}

.service-tab:hover{
  transform:translateY(-2px) scale(1.015);
  border-color:rgba(212,175,55,.38);
  box-shadow:0 0 18px rgba(212,175,55,.10);
  color:#fff;
}

.service-tab:hover::after{
  transform:translateX(140%) rotate(10deg);
}

.service-tab.active{
  background:linear-gradient(to right, rgba(212,175,55,.34), rgba(255,255,255,.08));
  border-color:rgba(212,175,55,.62);
  color:#fff3c4;
  box-shadow:0 0 28px rgba(212,175,55,.16), inset 0 0 0 1px rgba(255,255,255,.05);
  transform:translateY(-2px) scale(1.02);
}

.service-showcase{
  position:relative;
  min-height:620px;
}

.service-panel{
  display:none;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:22px;
  align-items:stretch;
  opacity:0;
  transform:translateY(20px) scale(.985);
}

.service-panel.active{
  display:grid;
  animation:servicePanelIn .55s cubic-bezier(.2,.8,.2,1) forwards;
}

..service-panel:nth-child(even).active{
  grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);
}

@media (max-width:980px){
  .service-panel:nth-child(even).active{
    grid-template-columns:1fr !important;
  }
}

.service-panel-text,
.service-panel-visual{
  border-radius:28px;
  border:1px solid rgba(212,175,55,.16);
  background:linear-gradient(to bottom, rgba(255,255,255,.05), rgba(255,255,255,.02));
  backdrop-filter:blur(12px);
  box-shadow:0 0 24px rgba(212,175,55,.06);
  transition:
    opacity .35s ease,
    transform .45s cubic-bezier(.22,.8,.24,1),
    background .45s ease,
    box-shadow .45s ease,
    border-color .45s ease,
    color .45s ease;
  will-change:opacity, transform;
}

.service-panel-text{
  padding:28px;
  min-height:520px;
}

.service-panel-text h3{
  font-size:clamp(26px,3.6vw,38px);
  line-height:1.08;
  margin-bottom:14px;
  max-width:12ch;
}

.service-panel-text p{
  font-size:17px;
  color:rgba(255,255,255,.78);
  line-height:1.68;
  margin-bottom:16px;
}

.service-mini{
  display:inline-block;
  color:var(--gold-2);
  font-size:14px;
  font-weight:800;
  margin-bottom:12px;
}

.service-points{
  list-style:none;
  display:grid;
  gap:10px;
}

.service-points li{
  padding:13px 15px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.22);
  color:rgba(255,255,255,.84);
  transition:transform .25s ease, border-color .25s ease, background .25s ease;
}

.service-points li:hover{
  transform:translateX(8px);
  border-color:rgba(212,175,55,.24);
  background:rgba(212,175,55,.06);
}

.service-panel-visual{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:520px;
}

.service-glow{
  position:absolute;
  width:240px;
  height:240px;
  border-radius:999px;
  background:radial-gradient(circle, var(--mode-glow), transparent 68%);
  filter:blur(24px);
  animation:serviceGlow 3.2s ease-in-out infinite;
}

.service-card-big{
  position:relative;
  z-index:2;
  width:min(88%,420px);
  min-height:250px;
  border-radius:26px;
  border:1px solid rgba(212,175,55,.18);
  background:linear-gradient(to bottom right, rgba(255,255,255,.08), rgba(255,255,255,.03));
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:24px;
  text-align:center;
  box-shadow:0 0 30px rgba(212,175,55,.08);
}

.service-big-icon{
  font-size:54px;
  margin-bottom:14px;
}

.service-big-title{
  font-size:clamp(19px,2.2vw,26px);
  line-height:1.3;
  color:#fff;
}

.service-big-sub{
  margin-top:12px;
  font-size:15px;
  line-height:1.6;
  color:rgba(255,255,255,.68);
  max-width:28ch;
}

.image-card{
  padding:12px;
}

.service-panel-image{
  width:100%;
  height:100%;
  min-height:250px;
  object-fit:cover;
  border-radius:22px;
}

/* ===== EXTRA ===== */

.extra-info-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
  margin-top:28px;
}

.extra-info-card{
  padding:24px;
  border-radius:26px;
  border:1px solid rgba(212,175,55,.14);
  background:linear-gradient(to bottom, rgba(255,255,255,.05), rgba(255,255,255,.02));
  backdrop-filter:blur(10px);
  min-height:320px;
}

.extra-label{
  display:inline-block;
  color:var(--gold-2);
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:12px;
}

.extra-info-card h3{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.15;
  margin-bottom:12px;
}

.extra-info-card p{
  color:rgba(255,255,255,.74);
  line-height:1.68;
  font-size:16px;
}

.final-cta-box{
  padding:32px;
  border-radius:32px;
  border:1px solid rgba(212,175,55,.16);
  background:linear-gradient(to bottom, rgba(255,255,255,.05), rgba(255,255,255,.02));
  backdrop-filter:blur(12px);
}

.final-cta-box h2{
  font-size:clamp(32px,5vw,60px);
  line-height:1.06;
  margin-bottom:14px;
}

.final-cta-box p{
  color:var(--muted);
  font-size:clamp(18px,2vw,22px);
  line-height:1.7;
}

/* ===== CONTACT ===== */

.contact-box{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:22px;
  padding:30px;
  border-radius:34px;
  border:1px solid rgba(212,175,55,.16);
  background:linear-gradient(to bottom, rgba(255,255,255,.05), rgba(255,255,255,.02));
  backdrop-filter:blur(12px);
}

.contact-left h2{
  font-size:clamp(34px,6vw,72px);
  line-height:1.02;
  margin-bottom:16px;
  letter-spacing:-.03em;
}

.contact-left p{
  color:var(--muted);
  font-size:clamp(18px,2vw,22px);
  line-height:1.7;
}

.company-data{
  margin-top:24px;
  padding:20px;
  border-radius:22px;
  border:1px solid rgba(212,175,55,.14);
  background:linear-gradient(to bottom, rgba(255,255,255,.04), rgba(255,255,255,.02));
  backdrop-filter:blur(10px);
  box-shadow:0 0 20px rgba(212,175,55,.05);
}

.company-data-title{
  font-size:14px;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-2);
  margin-bottom:14px;
  text-shadow:0 0 14px rgba(212,175,55,.14);
}

.company-row{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:12px;
  padding:12px 0;
  border-top:1px solid rgba(255,255,255,.08);
}

.company-row:first-of-type{
  border-top:none;
  padding-top:0;
}

.company-row span{
  color:rgba(255,255,255,.48);
  font-size:14px;
}

.company-row strong{
  color:#fff;
  font-size:16px;
  line-height:1.5;
  word-break:break-word;
}

.contact-right{
  display:grid;
  gap:14px;
}

.contact-item{
  display:block;
  padding:18px 20px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(to bottom, rgba(255,255,255,.04), rgba(255,255,255,.02));
  transition:var(--transition);
}

.contact-item:hover{
  transform:translateY(-4px);
  box-shadow:0 0 22px rgba(212,175,55,.08);
  border-color:rgba(212,175,55,.28);
}

.contact-item span{
  display:block;
  color:rgba(255,255,255,.48);
  font-size:14px;
  margin-bottom:8px;
}

.contact-item strong{
  display:block;
  color:#fff;
  font-size:19px;
  line-height:1.4;
  word-break:break-word;
}

.contact-person{
  position:relative;
  overflow:hidden;
}

.contact-person::after{
  content:"";
  position:absolute;
  inset:-30%;
  background:linear-gradient(120deg, transparent 35%, rgba(255,255,255,.06) 49%, rgba(212,175,55,.14) 50%, rgba(255,255,255,.06) 51%, transparent 65%);
  transform:translateX(-140%) rotate(10deg);
  transition:transform .8s ease;
  pointer-events:none;
}

.contact-person:hover::after{
  transform:translateX(140%) rotate(10deg);
}

.contact-person-main{
  border-color:rgba(212,175,55,.32);
  box-shadow:0 0 22px rgba(212,175,55,.08);
}

.contact-label{
  display:block;
  color:var(--gold-2) !important;
  font-size:12px !important;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:6px !important;
}

.contact-role{
  display:block;
  font-style:normal;
  color:rgba(255,255,255,.55);
  font-size:14px;
  margin-bottom:8px;
}

.social-contact strong{
  font-size:19px;
}

.facebook-contact{
  border-color:rgba(212,175,55,.28);
  box-shadow:0 0 22px rgba(212,175,55,.08);
}

/* ===== SWITCHING ===== */

.is-text-switching{
  opacity:0 !important;
  transform:translateY(8px) !important;
}

.switch-fade-out{
  opacity:0 !important;
  transform:translateY(14px) scale(.985) !important;
  filter:blur(2px);
}

.switch-fade-in{
  animation:switchFadeInSoft .55s cubic-bezier(.22,.8,.24,1);
}

.stagger-in > *{
  opacity:0;
  transform:translateY(18px);
  animation:staggerIn .55s cubic-bezier(.22,.8,.24,1) forwards;
}

.stagger-in > *:nth-child(1){ animation-delay:.04s; }
.stagger-in > *:nth-child(2){ animation-delay:.10s; }
.stagger-in > *:nth-child(3){ animation-delay:.16s; }
.stagger-in > *:nth-child(4){ animation-delay:.22s; }
.stagger-in > *:nth-child(5){ animation-delay:.28s; }
.stagger-in > *:nth-child(6){ animation-delay:.34s; }

/* ===== ANIMATIONS ===== */

@keyframes orbitFloat1{
  0%,100%{ transform:translateY(0) rotate(0deg); }
  50%{ transform:translateY(12px) rotate(3deg); }
}

@keyframes orbitFloat2{
  0%,100%{ transform:translateY(0) rotate(0deg); }
  50%{ transform:translateY(-12px) rotate(-3deg); }
}

@keyframes heroArrowFloat{
  0%,100%{ transform:translateY(0); opacity:1; }
  50%{ transform:translateY(10px); opacity:.72; }
}

@keyframes mainPanelIn{
  from{ opacity:0; transform:translateY(20px) scale(.99); }
  to{ opacity:1; transform:translateY(0) scale(1); }
}

@keyframes servicePanelIn{
  from{ opacity:0; transform:translateY(22px) scale(.985); }
  to{ opacity:1; transform:translateY(0) scale(1); }
}

@keyframes serviceGlow{
  0%,100%{ transform:scale(.95); opacity:.55; }
  50%{ transform:scale(1.08); opacity:1; }
}

@keyframes electroSweep{
  0%{ transform:translateX(-130%) rotate(10deg); opacity:0; }
  18%{ opacity:1; }
  100%{ transform:translateX(130%) rotate(10deg); opacity:0; }
}

@keyframes modeCardFlash{
  0%{
    opacity:.76;
    transform:translateY(12px) scale(.985);
    filter:blur(2px);
  }
  100%{
    opacity:1;
    transform:translateY(0) scale(1);
    filter:blur(0);
  }
}

@keyframes modeTextFlash{
  0%{
    opacity:.45;
    transform:translateY(8px);
  }
  100%{
    opacity:1;
    transform:translateY(0);
  }
}

@keyframes switchFadeInSoft{
  from{
    opacity:0;
    transform:translateY(18px) scale(.985);
    filter:blur(2px);
  }
  to{
    opacity:1;
    transform:translateY(0) scale(1);
    filter:blur(0);
  }
}

@keyframes staggerIn{
  from{
    opacity:0;
    transform:translateY(18px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* mode-specific motion accents */
body.mode-elektro .service-panel.active .service-panel-visual{
  animation:electroPulseIn .6s ease;
}

body.mode-stavba .service-panel.active .service-panel-visual{
  animation:buildLiftIn .6s ease;
}

body.mode-uklid .service-panel.active .service-panel-visual{
  animation:cleanFloatIn .6s ease;
}

@keyframes electroPulseIn{
  from{ opacity:0; transform:translateY(18px) scale(.97); }
  60%{ opacity:1; transform:translateY(0) scale(1.015); }
  to{ opacity:1; transform:translateY(0) scale(1); }
}

@keyframes buildLiftIn{
  from{ opacity:0; transform:translateY(24px) rotateX(6deg); }
  to{ opacity:1; transform:translateY(0) rotateX(0deg); }
}

@keyframes cleanFloatIn{
  from{ opacity:0; transform:translateY(16px) scale(.985); filter:blur(4px); }
  to{ opacity:1; transform:translateY(0) scale(1); filter:blur(0); }
}

/* ===== RESPONSIVE ===== */

@media (max-width:1080px){
  .hero-grid{
    grid-template-columns:1fr;
  }

  .hero-visual{
    justify-content:center;
  }
}

@media (max-width:980px){
  .service-panel.active,
  .contact-box{
    grid-template-columns:1fr;
  }

  .service-panel-visual{
    min-height:280px;
  }

  .service-panel-text h3{
    max-width:none;
  }
}

@media (max-width:900px){
  .extra-info-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width:700px){
  .header-inner{
    flex-direction:column;
    align-items:flex-start;
  }

  .top-nav{
    gap:14px;
    font-size:14px;
  }

  .logo{
    width:56px;
    height:56px;
  }

  .lux-intro__logo-shell,
  .lux-intro__logo{
    width:104px;
    height:104px;
  }

  .lux-intro__ring{
    inset:-10px;
  }

  .hero-content{
    padding:110px 0 64px;
  }

  .hero-badge{
    font-size:14px;
    padding:12px 16px;
    margin-bottom:22px;
  }

  .hero-brand-top{
    font-size:18px;
  }

  .hero-brand-main{
    font-size:clamp(56px,18vw,92px);
  }

  .hero-brand-mid{
    font-size:clamp(22px,7vw,34px);
  }

  .hero-brand-bottom{
    font-size:clamp(18px,6vw,24px);
  }

  .hero-copy{
    min-height:auto;
  }

  .hero-copy h1{
    font-size:clamp(28px,9vw,42px);
  }

  .hero-copy p{
    font-size:17px;
  }

  .hero-socials{
    justify-content:center;
  }

  .social-btn{
    min-width:132px;
    min-height:48px;
    padding:0 16px;
    font-size:14px;
  }

  .hero-main-switch{
    display:flex !important;
    flex-direction:column !important;
    align-items:stretch !important;
    gap:12px !important;
    overflow:visible !important;
  }

  .hero-main-switch .main-service-btn{
    width:100% !important;
    min-width:0 !important;
  }

  .hero-visual,
  .hero-visual-card{
    min-height:300px;
  }

  .section{
    padding:68px 0;
  }

  .section-intro h2,
  .contact-left h2,
  .final-cta-box h2{
    font-size:clamp(28px,9vw,44px);
  }

  .section-intro p,
  .contact-left p,
  .final-cta-box p{
    font-size:16px;
  }

  .section-kicker{
    font-size:13px;
    padding:10px 16px 10px 14px;
    gap:10px;
    letter-spacing:.18em;
  }

  .section-kicker::before{
    width:8px;
    height:8px;
  }

  .section-kicker::after{
    width:22px;
  }

  .main-service-switch{
    display:flex !important;
    flex-direction:column !important;
    gap:10px !important;
    padding:12px;
    margin-bottom:22px;
  }

  .main-service-switch .main-service-btn{
    width:100% !important;
  }

  .main-service-btn{
    font-size:14px;
    padding:13px 16px;
    min-height:46px;
  }

  .tabs-hint{
    font-size:12px;
    margin-bottom:10px;
  }

  .service-tabs{
    display:flex !important;
    flex-direction:column !important;
    gap:10px !important;
    padding:12px;
    margin-bottom:18px;
  }

  .service-tab{
    width:100% !important;
    font-size:14px;
    padding:13px 16px;
    min-height:46px;
  }

  .service-showcase{
    min-height:auto;
  }

  .service-panel-text{
    padding:22px;
    min-height:auto;
  }

  .service-panel-text h3{
    font-size:clamp(24px,7.2vw,34px);
    line-height:1.1;
  }

  .service-panel-text p{
    font-size:16px;
  }

  .service-panel-visual{
    min-height:auto;
  }

  .extra-info-card{
    padding:20px;
    min-height:auto;
  }

  .extra-info-card h3{
    font-size:clamp(22px,7vw,30px);
  }

  .contact-box{
    padding:22px;
  }

  .company-row{
    grid-template-columns:1fr;
    gap:6px;
  }

  .company-row span{
    font-size:13px;
  }

  .company-row strong{
    font-size:15px;
  }

  .contact-person{
    padding:16px 16px;
  }

  .contact-role{
    font-size:13px;
  }

  .social-contact strong{
    font-size:17px;
  }

  .orbit-1{
    width:360px;
    height:360px;
    right:-90px;
    top:180px;
  }

  .orbit-2{
    width:240px;
    height:240px;
    left:-70px;
    bottom:120px;
  }

  @keyframes luxLineIn{
    from{ width:0; opacity:0; }
    to{ width:70px; opacity:.82; }
  }
}
.service-panel{
  display:none !important;
}

.service-panel.active{
  display:grid !important;
  opacity:1;
}

.main-service-panel{
  display:none !important;
}

.main-service-panel.active{
  display:block !important;
}
@media (max-width:980px){
  .service-panel.active,
  .service-panel:nth-child(even).active{
    grid-template-columns:1fr !important;
  }

  .service-panel-text,
  .service-panel-visual{
    width:100% !important;
    min-width:0 !important;
  }

  .service-panel-visual{
    min-height:260px !important;
  }

  .service-card-big{
    width:100% !important;
    min-height:220px !important;
  }

  .service-panel-image{
    width:100% !important;
    height:auto !important;
    min-height:220px !important;
    object-fit:cover; 
  }