@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ============================================================
   LUMMINA — Emmenegger palette
   cobalt #2545b8 · cream #f0ebe0 · linen #f5f3ef · ink #0b1748
   ============================================================ */
:root{
  --ink:#0b1748;
  --cobalt:#2545b8;
  --cobalt-2:#3d62d8;
  --cobalt-3:#6b89e4;
  --cobalt-pale:#cdd7f8;
  --cobalt-mist:#e8eef9;
  --cream:#f0ebe0;
  --cream-2:#e6ddd0;
  --mist:#f5f3ef;
  --surface:#ffffff;
  --rose:#be5068;
  --rose-soft:#f5d4db;
  --fern:#4a6440;
  --fern-soft:#c0d4ac;
  --cedar:#8a5a3c;
  --cedar-2:#6b4126;
  --cedar-dark:#4a2c18;

  --text:#111827;
  --text-dim:#4e5c82;
  --text-light:#eff2fc;
  --text-light-dim:#a8bae8;

  --line:rgba(37,69,184,.1);
  --line-mid:rgba(37,69,184,.18);
  --line-dark:rgba(200,215,248,.18);
  --glow:0 0 48px rgba(37,69,184,.5);
  --glow-soft:0 0 24px rgba(37,69,184,.28);
  --shadow:0 16px 40px rgba(11,23,72,.1);
  --shadow-lg:0 28px 64px rgba(11,23,72,.18);
  --shadow-xl:0 40px 80px rgba(11,23,72,.26);
  --ease:cubic-bezier(0.16,1,0.3,1);
  --ease-soft:cubic-bezier(0.4,0,0.2,1);
  --radius:14px;
  --r-lg:22px;
}

/* ============ BASE ============ */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Open Sans',system-ui,sans-serif;
  background:var(--mist);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{line-height:1.18;font-weight:800;letter-spacing:-.015em;}
.container{max-width:1180px;margin:0 auto;padding:0 28px;}
.section{padding:100px 0;position:relative;}

/* ============ TYPOGRAPHY ============ */
.section__title{font-size:clamp(28px,4vw,44px);margin-bottom:14px;}
.section__kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;
  color:var(--cobalt);margin-bottom:14px;
}
.section__kicker::before{content:"";width:20px;height:1.5px;background:var(--cobalt);}
.section__lead{color:var(--text-dim);max-width:560px;margin-bottom:48px;font-size:17px;}
.rule{width:40px;height:3px;background:linear-gradient(90deg,var(--cobalt),var(--cobalt-2));border-radius:2px;margin-bottom:24px;}

/* ============ GRID ============ */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.stagger .reveal{transition-delay:calc(var(--i,0)*100ms);}

/* ============ BUTTONS ============ */
.btn{
  font:inherit;font-weight:700;border:none;border-radius:999px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;letter-spacing:.01em;
  transition:transform .22s var(--ease-soft),box-shadow .22s var(--ease-soft),background .22s,color .22s;
}
.btn--primary{
  background:var(--cobalt);color:#fff;
  box-shadow:0 8px 24px rgba(37,69,184,.3);
}
.btn--primary:hover{
  background:var(--cobalt-2);transform:translateY(-2px);
  box-shadow:0 14px 36px rgba(37,69,184,.46),var(--glow);
}
.btn--outline{background:transparent;border:1.5px solid var(--cobalt);color:var(--cobalt);}
.btn--outline:hover{background:var(--cobalt);color:#fff;transform:translateY(-2px);box-shadow:var(--glow-soft);}
.btn--ghost{background:rgba(255,255,255,.08);color:var(--text-light);border:1.5px solid var(--line-dark);}
.btn--ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn--sm{padding:10px 22px;font-size:14px;}
.btn--lg{padding:17px 38px;font-size:17px;}
@keyframes pulse-glow{0%,100%{box-shadow:0 8px 24px rgba(37,69,184,.3);}50%{box-shadow:0 8px 24px rgba(37,69,184,.3),0 0 44px rgba(61,98,216,.6);}}
.btn--pulse{animation:pulse-glow 3s ease-in-out infinite;}

/* ============ OVERLAY ============ */
.overlay{position:fixed;inset:0;background:rgba(11,23,72,.6);z-index:105;opacity:0;pointer-events:none;transition:opacity .3s var(--ease-soft);}
.overlay.is-visible{opacity:1;pointer-events:auto;}

/* ============ HEADER — always contrasty ============ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;padding:22px 0;
  transition:padding .35s var(--ease-soft),background .35s,box-shadow .35s;
  animation:header-in .5s var(--ease) both;
  background:linear-gradient(180deg,rgba(6,13,42,.68) 0%,rgba(6,13,42,.34) 65%,transparent 100%);
  --hdr-text:var(--text-light);
  --hdr-text-dim:rgba(219,228,255,.86);
  --hdr-underline:var(--cobalt-pale);
}
@keyframes header-in{from{opacity:0;transform:translateY(-100%);}to{opacity:1;transform:translateY(0);}}
.header--stuck{
  padding:12px 0;
  background:rgba(245,243,239,.92);
  backdrop-filter:blur(16px);
  box-shadow:0 4px 24px rgba(11,23,72,.08);
  border-bottom:1px solid var(--line);
  --hdr-text:var(--text);
  --hdr-text-dim:var(--text-dim);
  --hdr-underline:var(--cobalt);
}

.header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{font-size:22px;font-weight:600;letter-spacing:.02em;color:var(--hdr-text);transition:color .35s;}
.logo__accent{color:var(--hdr-underline);transition:color .35s;}
.logo__mark{
  display:inline-block;width:9px;height:9px;border-radius:50%;
  background:var(--hdr-underline);margin-right:3px;box-shadow:var(--glow-soft);transition:background .35s;
}
.nav{display:flex;gap:16px;flex:1;justify-content:center;}
.nav a{
  position:relative;padding:5px 0;color:var(--hdr-text-dim);font-size:14px;font-weight:600;
  transition:color .22s var(--ease-soft);
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--hdr-underline);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease-soft);border-radius:2px;
}
.nav a:hover{color:var(--hdr-text);}
.nav a:hover::after{transform:scaleX(1);}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.burger span{width:24px;height:2px;background:var(--hdr-text);border-radius:2px;transition:background .35s;}

/* ============ MOBILE NAV ============ */
.mobile-nav{
  position:fixed;top:0;right:0;height:100vh;width:min(320px,82vw);
  background:linear-gradient(160deg,var(--ink) 0%,#1a2d8a 100%);
  color:var(--text-light);z-index:110;padding:96px 32px 32px;
  display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .4s var(--ease);
}
.mobile-nav.is-open{transform:translateX(0);}
.mobile-nav a{color:var(--text-light);font-size:18px;font-weight:600;opacity:0;transform:translateY(10px);transition:opacity .35s var(--ease-soft),transform .35s var(--ease-soft);}
.mobile-nav.is-open a{opacity:1;transform:translateY(0);}
.mobile-nav a:nth-child(1){transition-delay:60ms;}.mobile-nav a:nth-child(2){transition-delay:120ms;}
.mobile-nav a:nth-child(3){transition-delay:180ms;}.mobile-nav a:nth-child(4){transition-delay:240ms;}
.mobile-nav a:nth-child(5){transition-delay:300ms;}.mobile-nav a:nth-child(6){transition-delay:360ms;}
.mobile-nav a:nth-child(7){transition-delay:420ms;}

/* ============ SIDE DOTS ============ */
.side-dots{position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;align-items:center;gap:14px;}
.side-dots__item{position:relative;display:flex;align-items:center;justify-content:center;}
.side-dots__dot{
  width:9px;height:9px;border-radius:50%;background:transparent;
  border:1.5px solid rgba(78,92,130,.45);cursor:pointer;padding:0;
  transition:transform .3s var(--ease-soft),background .3s,border-color .3s,box-shadow .3s;
}
.side-dots__dot:hover{transform:scale(1.35);border-color:var(--cobalt);}
.side-dots__item.is-active .side-dots__dot{background:var(--cobalt);border-color:var(--cobalt);transform:scale(1.4);box-shadow:var(--glow-soft);}
.side-dots__label{
  position:absolute;right:22px;top:50%;transform:translateY(-50%) translateX(6px);
  background:var(--ink);color:var(--text-light);font-size:12px;font-weight:600;white-space:nowrap;
  padding:6px 13px;border-radius:8px;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:opacity .22s var(--ease-soft),transform .22s var(--ease-soft);
}
.side-dots__item:hover .side-dots__label{opacity:1;transform:translateY(-50%) translateX(0);}
@media(max-width:920px){.side-dots{display:none;}}

/* ============ HEAT GAUGE — цифровой дисплей в духе панели Harvia ============ */
.heat-gauge{position:fixed;left:0;top:50%;transform:translateY(-50%);z-index:90;}
.heat-gauge__plaque{
  position:relative;padding:18px 21px;border-radius:0 14px 14px 0;
  background:#000;
  box-shadow:0 8px 22px rgba(0,0,0,.4);
  display:flex;align-items:center;justify-content:center;
}
.heat-gauge__screen{
  background:#000;
  border-radius:5px;padding:14px 12px;
  display:flex;align-items:baseline;justify-content:center;gap:3px;
}
.heat-gauge__num{
  font-family:'Courier New',monospace;font-weight:700;font-size:33px;
  letter-spacing:-.5px;line-height:1;
  color:#4fd0e8;text-shadow:0 0 6px currentColor,0 0 14px currentColor;
  transition:color .25s ease,text-shadow .25s ease;
  font-variant-numeric:tabular-nums;min-width:52px;text-align:right;
}
.heat-gauge__deg{
  font-family:'Courier New',monospace;font-weight:700;font-size:17px;
  color:#4fd0e8;text-shadow:0 0 6px currentColor;
  transition:color .25s ease;align-self:flex-start;margin-top:3px;
}
@media(max-width:920px){.heat-gauge{display:none;}}

/* ============ HERO — full-screen photo ============ */
.hero{min-height:100vh;position:relative;overflow:hidden;display:flex;align-items:center;}
.hero__bg-photo{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
  z-index:0;will-change:transform;
}
.hero__overlay{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(to bottom,rgba(11,23,72,.25) 0%,transparent 40%,rgba(11,23,72,.7) 100%),
    linear-gradient(to right,rgba(11,23,72,.82) 0%,rgba(11,23,72,.42) 52%,rgba(11,23,72,.1) 100%);
}
/* floating cobalt glow blobs */
.hero__float{position:absolute;border-radius:50%;pointer-events:none;}
.hero__float--1{
  width:560px;height:560px;right:-130px;top:2%;z-index:2;
  background:radial-gradient(circle,rgba(37,69,184,.3) 0%,transparent 68%);
  animation:float-drift 17s ease-in-out infinite;
}
.hero__float--2{
  width:320px;height:320px;right:20%;bottom:5%;z-index:2;
  background:radial-gradient(circle,rgba(61,98,216,.2) 0%,transparent 70%);
  animation:float-drift 22s ease-in-out infinite reverse;
  animation-delay:-9s;
}
@keyframes float-drift{
  0%,100%{transform:translateY(0) scale(1);}
  33%{transform:translateY(-40px) scale(1.06);}
  66%{transform:translateY(26px) scale(.94);}
}
.hero__body{
  position:relative;z-index:3;
  padding:180px max(28px,4vw) 130px max(64px,7vw);
  width:100%;max-width:780px;
}
/* единое облако пара, выходящее снизу — the site's signature touch.
   Невидимо, пока не начали листать: opacity задаёт JS по scrollY. */
.hero__steam{
  position:absolute;inset:0;z-index:2;overflow:hidden;pointer-events:none;
  opacity:0;transition:opacity .5s ease-out;
}
.hero__steam.is-active{opacity:1;}

/* одна цельная масса пара — несколько radial-gradient слоёв в ОДНОМ фоне,
   без границ между «облаками», плюс общий сильный blur, чтобы всё слилось */
.steam-mass{
  position:absolute;left:-15%;bottom:-30%;
  width:130%;height:82vh;max-height:760px;
  mix-blend-mode:screen;
  filter:blur(24px);
  background:
    radial-gradient(ellipse 42% 55% at 30% 78%, rgba(240,244,250,.85) 0%, transparent 68%),
    radial-gradient(ellipse 46% 60% at 52% 62%, rgba(248,250,255,.95) 0%, transparent 70%),
    radial-gradient(ellipse 40% 52% at 70% 74%, rgba(232,238,248,.8) 0%, transparent 66%),
    radial-gradient(ellipse 60% 45% at 48% 92%, rgba(210,220,234,.65) 0%, transparent 74%);
  animation:steam-billow 14s ease-in-out infinite, steam-rise 22s ease-in-out infinite;
  will-change:transform,filter;
}
@keyframes steam-rise{
  0%{transform:translateY(4%) scaleY(.96);}
  50%{transform:translateY(-3%) scaleY(1.04);}
  100%{transform:translateY(4%) scaleY(.96);}
}
@keyframes steam-billow{
  0%,100%{
    background-position:0 0,0 0,0 0,0 0;
    filter:blur(24px);
  }
  50%{
    background-position:2% -3%,-2% 2%,1% -2%,-1% 1%;
    filter:blur(28px);
  }
}

/* ============ GRADUAL BLUR — плавное растворение фото у нижнего края hero ============ */
.hero__gradual-blur{
  position:absolute;left:0;right:0;bottom:0;height:9rem;z-index:3;
  pointer-events:none;isolation:isolate;overflow:hidden;
}
.hero__gradual-blur span{position:absolute;inset:0;}
.hero__gradual-blur span:nth-child(1){backdrop-filter:blur(.5px);-webkit-backdrop-filter:blur(.5px);-webkit-mask-image:linear-gradient(to bottom,transparent 0%,#000 20%,#000 40%,transparent 60%);mask-image:linear-gradient(to bottom,transparent 0%,#000 20%,#000 40%,transparent 60%);}
.hero__gradual-blur span:nth-child(2){backdrop-filter:blur(1.2px);-webkit-backdrop-filter:blur(1.2px);-webkit-mask-image:linear-gradient(to bottom,transparent 20%,#000 40%,#000 60%,transparent 80%);mask-image:linear-gradient(to bottom,transparent 20%,#000 40%,#000 60%,transparent 80%);}
.hero__gradual-blur span:nth-child(3){backdrop-filter:blur(2.4px);-webkit-backdrop-filter:blur(2.4px);-webkit-mask-image:linear-gradient(to bottom,transparent 40%,#000 60%,#000 80%,transparent 100%);mask-image:linear-gradient(to bottom,transparent 40%,#000 60%,#000 80%,transparent 100%);}
.hero__gradual-blur span:nth-child(4){backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);-webkit-mask-image:linear-gradient(to bottom,transparent 60%,#000 80%,#000 100%);mask-image:linear-gradient(to bottom,transparent 60%,#000 80%,#000 100%);}
.hero__gradual-blur span:nth-child(5){backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);-webkit-mask-image:linear-gradient(to bottom,transparent 80%,#000 100%);mask-image:linear-gradient(to bottom,transparent 80%,#000 100%);}
/* magnetic button pull */
.btn--magnetic{transition:transform .25s var(--ease-soft),box-shadow .22s var(--ease-soft),background .22s,color .22s;}
/* scroll-hint mouse indicator */
.hero__scroll-hint{
  position:absolute;bottom:36px;left:50%;transform:translateX(-50%);
  z-index:4;width:22px;height:38px;
  border:2px solid rgba(255,255,255,.28);border-radius:11px;
}
.hero__scroll-hint::after{
  content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:4px;height:8px;background:#fff;border-radius:2px;
  animation:scroll-bounce 2.2s ease-in-out infinite;
}
@keyframes scroll-bounce{
  0%,100%{opacity:.8;transform:translateX(-50%) translateY(0);}
  75%{opacity:0;transform:translateX(-50%) translateY(16px);}
}
/* badge pill */
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  padding:7px 16px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--text-light);margin-bottom:24px;letter-spacing:.02em;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.hero__badge::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--cobalt-pale);
  box-shadow:0 0 10px var(--cobalt-pale);animation:pulse-dot 2.4s ease-in-out infinite;
  flex-shrink:0;
}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.65);}}
.hero__title{font-size:clamp(38px,5.5vw,72px);margin-bottom:26px;color:#fff;text-shadow:0 2px 36px rgba(11,23,72,.5);line-height:1.1;}
/* highlighted word */
.hero__em{color:var(--cobalt-pale);font-style:normal;}
.mask-reveal{display:inline-block;color:var(--cobalt-pale);font-style:normal;}
.hero__subtitle{color:rgba(210,222,255,.82);font-size:17px;max-width:500px;margin-bottom:40px;line-height:1.72;}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;}
/* hero reveal delay helpers */
.hero .reveal[data-delay]{transition-delay:calc(var(--d)*80ms);}
.hero [data-delay="1"]{--d:1;}.hero [data-delay="2"]{--d:1;}.hero [data-delay="3"]{--d:2;}
.hero [data-delay="4"]{--d:3;}.hero [data-delay="5"]{--d:4;}.hero [data-delay="6"]{--d:5;}.hero [data-delay="7"]{--d:6;}

/* ============ MARQUEE BAND ============ */
.marquee-band{
  overflow:hidden;padding:26px 0;
  background:var(--cream);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  position:relative;z-index:1;cursor:default;
}
.marquee-track{display:flex;width:max-content;will-change:transform;}
.marquee-inner{
  font-size:clamp(16px,2vw,26px);font-weight:800;
  letter-spacing:.35em;text-transform:uppercase;
  color:rgba(37,69,184,.15);white-space:nowrap;
  user-select:none;
}
.marquee-sep{
  color:rgba(37,69,184,.22);margin:0 .8em;
  font-weight:400;letter-spacing:0;
}

/* ============ PLACEHOLDER text ============ */
.placeholder-text{
  color:var(--text-dim);font-style:italic;opacity:.7;
  border:1.5px dashed var(--line-mid);border-radius:2px;
  padding:14px 20px;margin-bottom:18px;font-size:15px;
  background:rgba(37,69,184,.03);
}
.number__value--placeholder{
  font-size:clamp(38px,5vw,64px);font-weight:800;
  color:rgba(255,255,255,.35);background:none;
  -webkit-background-clip:initial;background-clip:initial;
}

/* ============ BASE CARD ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card--feature{padding:36px;display:flex;flex-direction:column;align-items:flex-start;}
.card__icon{width:44px;height:44px;margin-bottom:18px;}
.card h3{margin:6px 0 12px;font-size:19px;}
.card p{color:var(--text-dim);font-size:15px;}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--line-mid);}
.card--feature p{margin-bottom:20px;flex:1;}
.card--feature:hover{transform:translateY(-8px);}

/* ============ SERVICES ============ */
.services{background:var(--mist);position:relative;}
.services>.container{position:relative;z-index:1;}
.card--service{overflow:hidden;padding:0;border-radius:var(--radius);}
.card--service img{aspect-ratio:4/3;object-fit:cover;background:var(--cobalt-mist);width:100%;transition:transform .5s var(--ease-soft);}
.card--service:hover img{transform:scale(1.06);}
.card--service .card__body{
  padding:22px 24px 26px;border-top:2px solid transparent;
  transition:border-color .3s var(--ease-soft);
}
.card--service:hover .card__body{border-top-color:var(--cobalt);}
.card--service h3{margin:0 0 10px;font-size:18px;transition:color .22s;}
.card--service:hover h3{color:var(--cobalt);}
.card--service p{color:var(--text-dim);font-size:14px;}
.card--active{border-color:var(--cobalt);box-shadow:var(--glow-soft);}

/* ============ ABOUT ============ */
.about{background:var(--cream);}
.about p{margin-bottom:16px;color:var(--text-dim);}
.about .btn{margin-top:14px;}
.about__image{position:relative;}
.about__image img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:100%;object-fit:cover;}
.about__stamp{
  position:absolute;bottom:-20px;left:-20px;
  background:linear-gradient(140deg,var(--ink),var(--cobalt));
  color:var(--text-light);padding:16px 22px;border-radius:14px;box-shadow:var(--shadow-lg);
}
.about__stamp b{display:block;font-size:28px;font-weight:800;color:var(--cobalt-pale);}
.about__stamp span{font-size:12px;color:var(--text-light-dim);}
.signature{margin-top:22px;font-style:italic;color:var(--text-dim);font-size:15px;}
.signature b{font-style:normal;color:var(--text);}

/* ============ NUMBERS — cobalt band ============ */
.numbers{
  background:linear-gradient(140deg,var(--ink) 0%,#162585 48%,var(--cobalt) 100%);
  color:var(--text-light);text-align:center;
  padding:120px 0;position:relative;z-index:2;
}
.numbers>.container{position:relative;z-index:1;}
.number{padding:10px;}
.number__value,.number__suffix{
  font-weight:800;
  background:linear-gradient(135deg,#fff 0%,var(--cobalt-pale) 65%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.number__value{font-size:clamp(38px,5vw,64px);}
.number__suffix{font-size:24px;}
.number p{color:var(--text-light-dim);margin-top:10px;font-size:14px;max-width:200px;margin-left:auto;margin-right:auto;}

/* ============ ADVANTAGES ============ */
/* ============ MATERIALS ============ */
.materials-section{background:var(--mist);position:relative;z-index:1;}
.materials-header{margin-bottom:48px;}
.materials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1100px;margin:0 auto;}
.material-card{position:relative;border-radius:var(--r-lg);overflow:hidden;cursor:pointer;aspect-ratio:3/4;}
.material-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-soft);}
.material-card:hover img{transform:scale(1.06);}
.material-card--lipa img{object-position:center center;}
.material-card--olha img{object-position:center center;}
.material-card--termo img{object-position:center center;}
.material-card .material-label{position:absolute;bottom:28px;left:24px;color:#fff;font-size:28px;font-weight:800;letter-spacing:.02em;text-shadow:0 2px 12px rgba(0,0,0,.45);z-index:2;pointer-events:none;}
.material-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:rgba(11,23,72,.7);opacity:0;transition:opacity .4s ease;backdrop-filter:blur(4px);}
.material-card:hover .material-overlay{opacity:1;}
.material-overlay h3{color:#fff;font-size:22px;font-weight:800;margin:0 0 10px;}
.material-overlay p{color:rgba(255,255,255,.9);font-size:14px;line-height:1.5;margin:0;max-width:220px;}
@media(max-width:768px){.materials-grid{grid-template-columns:1fr;}}

/* ============ PROJECTS — asymmetric grid ============ */
.projects{background:var(--cream);position:relative;z-index:1;}
.projects__grid{display:grid;grid-template-columns:1.6fr 1fr;grid-template-rows:1fr 1fr;gap:18px;}
.projects__grid--3{grid-template-columns:repeat(3,1fr);grid-template-rows:auto;max-width:1100px;margin:0 auto;}
.card--project{display:block;overflow:hidden;padding:0;border-radius:var(--r-lg);}
.card--project-hero{grid-row:1/3;}
.card--project .card__media{overflow:hidden;position:relative;aspect-ratio:9/14;}
.card--project-hero .card__media{aspect-ratio:unset;height:100%;min-height:500px;}
.card--project .card__media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease-soft);}
.card--project:hover .card__media img{transform:scale(1.04);}
.card__photo-count{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.55);color:#fff;font-size:11px;padding:3px 10px;border-radius:20px;z-index:3;pointer-events:none;backdrop-filter:blur(4px);}
.card--project .card__body{padding:10px 16px 14px;}
.card--project h3{font-size:15px;margin:0 0 4px;transition:color .22s;}
.card--project p{font-size:12px;color:var(--text-dim);margin:0;line-height:1.35;}
.card--project:hover h3{color:var(--cobalt);}
.card--project{cursor:pointer;}
.card__link{display:inline-flex;align-items:center;gap:7px;color:var(--cobalt);font-size:14px;font-weight:700;}
.arrow{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform .22s var(--ease-soft);}
.card--project:hover .arrow{transform:rotate(-45deg) translate(3px,3px);}
.arrow--up{transform:rotate(135deg);}

/* ============ LIGHTBOX ============ */
.lightbox{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.92);display:flex;flex-direction:column;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .35s ease;}
.lightbox.is-open{opacity:1;pointer-events:auto;}
.lightbox__close{position:absolute;top:20px;right:24px;background:none;border:none;color:#fff;font-size:36px;cursor:pointer;z-index:2;line-height:1;opacity:.7;transition:opacity .2s;}
.lightbox__close:hover{opacity:1;}
.lightbox__arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:none;color:#fff;font-size:40px;width:50px;height:70px;cursor:pointer;border-radius:8px;transition:background .2s;z-index:2;backdrop-filter:blur(4px);}
.lightbox__arrow:hover{background:rgba(255,255,255,.2);}
.lightbox__arrow--prev{left:16px;}
.lightbox__arrow--next{right:16px;}
.lightbox__img-wrap{max-width:85vw;max-height:80vh;display:flex;align-items:center;justify-content:center;}
.lightbox__img{max-width:100%;max-height:80vh;object-fit:contain;border-radius:10px;transition:opacity .3s ease;box-shadow:0 8px 40px rgba(0,0,0,.5);}
.lightbox__dots{display:flex;gap:8px;margin-top:16px;}
.lightbox__dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.3);border:none;padding:0;cursor:pointer;transition:background .2s,transform .2s;}
.lightbox__dot.is-active{background:#fff;transform:scale(1.3);}

/* ============ PROCESS — circular timeline ============ */
.process{background:var(--surface);}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;position:relative;
}
/* horizontal connector line through circle centers */
.steps::before{
  content:"";position:absolute;top:26px;
  left:calc(12.5%);right:calc(12.5%);height:1px;
  background:linear-gradient(90deg,transparent,var(--cobalt-pale) 20%,var(--cobalt-pale) 80%,transparent);
}
.step{
  display:flex;flex-direction:column;align-items:center;
  text-align:center;padding:0 20px 32px;position:relative;
}
.step__num{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--cobalt),var(--cobalt-2));
  color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;box-shadow:var(--glow-soft);
  position:relative;z-index:1;
  transition:transform .35s var(--ease),box-shadow .35s;
}
.step:hover .step__num{transform:scale(1.12);box-shadow:var(--glow);}
.step h3{margin-bottom:8px;font-size:17px;}
.step p{color:var(--text-dim);font-size:14px;}

/* ============ CALC CTA ============ */
.calc-cta{
  background:linear-gradient(140deg,var(--ink),#1a2d8a 55%,var(--cobalt) 100%);
  padding:90px 0;position:relative;z-index:3;
}
.calc-cta__box{text-align:center;max-width:640px;margin:0 auto;padding:0 24px;}
.calc-cta__box h2{color:var(--text-light);margin-bottom:16px;font-size:clamp(24px,4vw,36px);}
.calc-cta__box p{color:var(--text-light-dim);margin-bottom:30px;font-size:17px;}
.form{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.form input{
  flex:1;min-width:190px;
  background:rgba(255,255,255,.08);
  border:1.5px solid rgba(200,215,248,.2);border-radius:999px;
  padding:14px 22px;color:var(--text-light);font:inherit;
  transition:box-shadow .22s,border-color .22s;
}
.form input::placeholder{color:var(--text-light-dim);}
.form input:focus{outline:none;border-color:var(--cobalt-pale);box-shadow:0 0 0 4px rgba(37,69,184,.25);}

/* ============ REVIEWS ============ */
.reviews{background:var(--mist);}
.card--review{position:relative;}
.card--review::before{
  content:"\201C";position:absolute;top:8px;right:20px;
  font-size:72px;line-height:1;color:var(--cobalt);opacity:.1;font-family:Georgia,serif;
}
.grid-3 .card--review:nth-child(2){transform:translateY(-14px);}
.grid-3 .card--review:nth-child(2):hover{transform:translateY(-22px);}
.card--review__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.card--review__head img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid var(--cobalt-mist);}
.card--review__head strong{font-size:15px;}
.card--review__head span{display:block;color:var(--cobalt);font-size:12px;font-weight:600;letter-spacing:.04em;}
.card--review p{position:relative;z-index:1;}

/* ============ PARTNERS ============ */
.partners{background:var(--cream);}
.partners__row{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.partners__row img{height:36px;opacity:.5;filter:grayscale(1);transform:scale(.9);transition:transform .3s,opacity .3s,filter .3s;}
.partners__row img.is-visible{transform:scale(1);}
.partners__row img:hover{opacity:.9;filter:grayscale(0);transform:scale(1.06);}

/* ============ FAQ ============ */
.faq{background:var(--surface);}
.accordion{max-width:800px;}
.accordion__item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .3s,border-color .3s;
}
.accordion__item.is-open{box-shadow:var(--shadow);border-color:rgba(37,69,184,.25);}
.accordion__item.is-open .accordion__head{color:var(--cobalt);}
.accordion__head{
  width:100%;text-align:left;background:none;border:none;color:var(--text);
  font:inherit;font-weight:700;font-size:16px;
  padding:20px 22px;display:flex;justify-content:space-between;align-items:center;
  cursor:pointer;gap:16px;transition:color .22s;
}
.accordion__icon{position:relative;width:16px;height:16px;flex:none;}
.accordion__icon::before,.accordion__icon::after{
  content:"";position:absolute;background:var(--cobalt);top:50%;left:50%;
  transform:translate(-50%,-50%);transition:transform .3s var(--ease-soft);border-radius:2px;
}
.accordion__icon::before{width:16px;height:2px;}
.accordion__icon::after{width:2px;height:16px;}
.accordion__item.is-open .accordion__icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.accordion__body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease-soft);}
.accordion__body p{color:var(--text-dim);padding:0 22px 20px;opacity:0;transition:opacity .3s var(--ease-soft) 60ms;font-size:15px;}
.accordion__item.is-open .accordion__body p{opacity:1;}

/* ============ CONSULT ============ */
.consult{background:var(--cobalt-mist);overflow:hidden;}
.section__glow{position:absolute;inset:0;overflow:hidden;pointer-events:none;}
.section__glow::before{
  content:"";position:absolute;width:600px;height:600px;top:-200px;left:50%;
  background:radial-gradient(circle,rgba(37,69,184,.14),transparent 65%);
  animation:drift 20s ease-in-out infinite;
}
@keyframes drift{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-32%,50px);}}
.consult__box{
  text-align:center;max-width:640px;margin:0 auto;padding:56px 40px;
  border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-lg);position:relative;z-index:1;
}
.consult__box h2{margin-bottom:14px;font-size:clamp(24px,4vw,34px);}
.consult__box p{color:var(--text-dim);margin-bottom:28px;font-size:17px;}

/* ============ FOOTER ============ */
.footer{
  background:var(--ink);color:var(--text-light);
  padding:80px 0 28px;position:relative;overflow:hidden;
}
.footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,215,248,.2),transparent);
}
/* blueprint watermark */
.footer__blueprint{
  position:absolute;right:-40px;bottom:-30px;z-index:0;
  width:min(46vw,520px);height:auto;opacity:.1;pointer-events:none;
}
.footer__blueprint path,.footer__blueprint line,.footer__blueprint circle,.footer__blueprint polyline{
  vector-effect:non-scaling-stroke;
}
.footer .logo{color:var(--text-light);}
.footer .logo__mark{background:var(--cobalt-3);box-shadow:none;}
.footer .logo__accent{color:var(--cobalt-3);}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:52px;position:relative;z-index:1;}
.footer__grid>div:first-child p{color:var(--text-light-dim);font-size:14px;margin-top:14px;max-width:260px;line-height:1.7;}
.footer__grid h4{margin-bottom:16px;font-size:11px;color:var(--cobalt-pale);letter-spacing:.12em;text-transform:uppercase;}
.footer__grid a{
  display:block;margin-bottom:10px;color:var(--text-light-dim);font-size:15px;
  transition:color .22s;width:fit-content;
}
.footer__grid a:hover{color:var(--cobalt-pale);}
.footer__bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:24px;border-top:1px solid rgba(200,215,248,.08);
  color:var(--text-light-dim);font-size:13px;
  position:relative;z-index:1;
}
@media(max-width:760px){.footer__blueprint{display:none;}}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(200,215,248,.18);background:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .22s,background .22s;color:var(--text-light);
}
.to-top:hover{border-color:var(--cobalt-pale);background:rgba(37,69,184,.2);}
.to-top:hover .arrow--up{animation:bounce-up .6s ease-in-out infinite alternate;}
@keyframes bounce-up{from{transform:rotate(135deg) translate(0,0);}to{transform:rotate(135deg) translate(-2px,-2px);}}

/* ============ MODAL ============ */
.modal{
  position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease-soft);padding:20px;
}
.modal.is-open{opacity:1;pointer-events:auto;}
.modal__box{
  background:var(--surface);border-radius:var(--r-lg);padding:40px;width:min(420px,100%);
  position:relative;box-shadow:var(--shadow-xl);border-top:4px solid var(--cobalt);
  transform:scale(.95) translateY(10px);opacity:0;transition:transform .3s var(--ease),opacity .3s;
  max-height:88vh;overflow-y:auto;
}
.modal__box--wide{width:min(520px,100%);}
.modal.is-open .modal__box{transform:scale(1) translateY(0);opacity:1;}
.modal__close{
  position:absolute;top:14px;right:18px;background:none;border:none;
  color:var(--text-dim);font-size:24px;cursor:pointer;line-height:1;transition:color .2s;
}
.modal__close:hover{color:var(--cobalt);}
.modal h3{margin-bottom:8px;font-size:22px;}
.modal__hint{color:var(--text-dim);font-size:14px;margin-bottom:20px;}
.modal .form{flex-direction:column;gap:10px;}
.modal .form input,.modal .form textarea{
  background:var(--mist);border:1.5px solid var(--line);border-radius:20px;
  padding:14px 22px;color:var(--text);font:inherit;transition:border-color .22s,box-shadow .22s;
  width:100%;resize:none;
}
.modal .form input{border-radius:999px;}
.modal .form input::placeholder,.modal .form textarea::placeholder{color:var(--text-dim);}
.modal .form input:focus,.modal .form textarea:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 4px rgba(37,69,184,.15);}
.modal .form button{width:100%;}
.modal__note{
  margin-top:16px;padding:12px 16px;border-radius:12px;font-size:12.5px;line-height:1.5;
  color:var(--text-dim);background:var(--cobalt-mist);border:1px dashed rgba(37,69,184,.25);
}
.form__success{display:none;color:var(--cobalt);font-weight:600;margin-top:16px;opacity:0;transition:opacity .3s;}
.form__success.is-visible{display:block;opacity:1;}

/* ============ FLOATING REQUEST BUTTON ============ */
.fab-request{
  position:fixed;right:24px;bottom:26px;z-index:150;
  display:flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--cobalt) 0%,var(--ink) 100%);
  color:var(--text-light);border:none;border-radius:999px;
  padding:15px 22px 15px 18px;cursor:pointer;
  box-shadow:0 10px 28px rgba(11,23,72,.35);
  font:inherit;font-weight:700;font-size:14.5px;
  transition:transform .25s var(--ease-soft),box-shadow .25s var(--ease-soft);
}
.fab-request:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(11,23,72,.45);}
.fab-request__icon{
  position:relative;width:18px;height:18px;flex:none;z-index:1;
}
.fab-request__text{position:relative;z-index:1;}
.fab-request__icon::before,.fab-request__icon::after{
  content:"";position:absolute;background:var(--text-light);top:50%;left:50%;
  transform:translate(-50%,-50%);border-radius:2px;
}
.fab-request__icon::before{width:18px;height:2px;}
.fab-request__icon::after{width:2px;height:18px;}
.fab-request__pulse{
  position:absolute;inset:0;border-radius:999px;z-index:0;pointer-events:none;
  background:var(--cobalt);opacity:.55;
  animation:fab-pulse 2.4s ease-out infinite;
}
@keyframes fab-pulse{
  0%{transform:scale(1);opacity:.5;}
  100%{transform:scale(1.28);opacity:0;}
}
@media(max-width:640px){
  .fab-request__text{display:none;}
  .fab-request{padding:16px;border-radius:50%;right:18px;bottom:20px;}
}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .hero__stats{display:none;}
  .projects__grid{grid-template-columns:1fr 1fr;grid-template-rows:auto auto auto;}
  .projects__grid--3{grid-template-columns:1fr 1fr;}
  .card--project-hero{grid-row:auto;}
  .card--project-hero .card__media{min-height:auto;}
}
@media(max-width:920px){
  .nav{display:none;}
  .burger{display:flex;}
  .hero__body{padding:140px 28px 100px;max-width:100%;}
  .grid-2,.steps{grid-template-columns:1fr 1fr;}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr;}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .projects__grid{grid-template-columns:1fr;}
  .steps::before{display:none;}
  .step{flex-direction:row;align-items:flex-start;text-align:left;gap:16px;padding:16px 0;}
  .step__num{flex-shrink:0;margin-bottom:0;}
}
@media(max-width:600px){
  .section{padding:72px 0;}
  .grid-2,.grid-3,.grid-4,.steps,.projects__grid--3{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr;}
  .header__inner .btn--sm{display:none;}
  .about__stamp{left:0;}
  .grid-3 .card--review:nth-child(2){transform:none;}
  .grid-3 .card--review:nth-child(2):hover{transform:translateY(-8px);}
  .modal__box{padding:28px 20px;}
  .modal h3{font-size:19px;}
  .fab-request{bottom:16px;right:14px;}
  .hero__subtitle{font-size:15.5px;}
  .hero__actions{gap:10px;}
  .hero__actions .btn{flex:1 1 auto;}
  .marquee-inner{font-size:15px;}
}

/* ============ GLARE HOVER — примеры работ / услуги (React Bits GlareHover, CSS-порт) ============ */
.card--service{position:relative;}
.card--service::before{
  content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  background:linear-gradient(-30deg,
    hsla(0,0%,0%,0) 55%,
    rgba(61,98,216,.5) 68%,
    hsla(0,0%,0%,0) 82%,
    hsla(0,0%,0%,0) 100%);
  background-size:250% 250%;
  background-repeat:no-repeat;
  background-position:-120% -120%;
  transition:background-position 900ms ease;
}
.card--service:hover::before{background-position:120% 120%;}

/* ============ CURSOR GLOW — кнопки «оставить заявку» (React Bits ShapeBlur, CSS/JS-порт) ============ */
.btn--primary{position:relative;isolation:isolate;}
.fab-request{position:fixed;isolation:isolate;}
.btn--primary::after,.fab-request::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  border-radius:inherit;
  background:radial-gradient(circle 90px at var(--glow-x,50%) var(--glow-y,50%),rgba(255,255,255,.4),transparent 72%);
  opacity:0;transition:opacity .25s ease;
}
.btn--primary:hover::after,.fab-request:hover::after{opacity:1;}

/* ============ PROJECT CARD HOVER ============ */
.card--project{transition:transform .35s ease,box-shadow .35s ease;}
.card--project:hover{box-shadow:var(--shadow);transform:translateY(-4px);}