/* =========================================
   Плиточник.НСК — Redesign / Dark Graphite + Brass
   ========================================= */

/* ---------- TOKENS ---------- */
:root{
  --c-bg:#0e1013;
  --c-bg-2:#13161a;
  --c-surface:#181c21;
  --c-surface-2:#1e232a;
  --c-line:rgba(255,255,255,.09);
  --c-line-strong:rgba(255,255,255,.16);
  --c-text:#EFECE6;
  --c-muted:#A7AFB8;
  --c-dim:#8A929B;
  --c-brass:#C9964C;
  --c-brass-lt:#E0B268;
  --c-terra:#C2683F;
  --c-dark:#0e1013;              /* используется юр. страницами */
  --c-charcoal:#3a3f45;         /* используется юр. страницами */

  --ff-sans:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --radius:18px;
  --radius-sm:12px;
  --container:1240px;
  --pad:clamp(18px,4vw,40px);
  --header-h:66px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-lg:0 30px 70px -30px rgba(0,0,0,.85);
  --shadow-md:0 18px 40px -24px rgba(0,0,0,.9);
}

/* ---------- RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--ff-sans);
  font-size:clamp(15.5px,.55vw + 14px,17px);
  line-height:1.6;
  overflow-x:hidden;            /* защита от горизонтального скролла */
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4,p,figure{margin:0}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--pad)}

::selection{background:var(--c-brass);color:#101215}

/* ---------- ACCESSIBILITY ---------- */
:focus-visible{
  outline:3px solid var(--c-brass-lt);
  outline-offset:3px;
  border-radius:6px;
}
.skip-link{
  position:absolute;left:16px;top:-100px;z-index:200;
  background:var(--c-brass);color:#101215;font-weight:800;
  padding:12px 18px;border-radius:10px;text-decoration:none;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:16px}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;
  padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- TYPOGRAPHY ---------- */
h1,h2,h3,h4{font-weight:800;line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(1.85rem,5.4vw,3.35rem);margin-bottom:14px}
h3{font-size:clamp(1.12rem,2.2vw,1.4rem);line-height:1.25}
h4{font-size:1rem;font-weight:700;letter-spacing:0}
p{color:var(--c-muted)}
.eyebrow{
  display:inline-block;
  font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-brass-lt);
  margin-bottom:14px;
}
.section{padding-block:clamp(60px,9vw,120px);position:relative}
.section-header{max-width:56ch;margin-bottom:clamp(32px,5vw,56px)}
.section-header p{font-size:clamp(1rem,1.6vw,1.13rem)}

/* ---------- BUTTONS ---------- */
.btn{
  --btn-bg:var(--c-brass);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:56px;padding:15px 28px;
  border-radius:999px;
  font-weight:800;font-size:1rem;text-decoration:none;
  background:var(--btn-bg);color:#14161a;
  border:1px solid transparent;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .25s var(--ease),color .25s var(--ease);
  will-change:transform;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px -12px rgba(201,150,76,.6)}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(135deg,var(--c-brass-lt),var(--c-brass) 55%,var(--c-terra));
  box-shadow:0 10px 30px -14px rgba(201,150,76,.75);
}
.btn-outline{
  background:rgba(255,255,255,.04);
  border-color:var(--c-line-strong);
  color:var(--c-text);
  backdrop-filter:blur(6px);
}
.btn-outline:hover{background:rgba(255,255,255,.1);box-shadow:none}
.btn-light{background:var(--c-text);color:#14161a}
.btn-light:hover{box-shadow:0 14px 34px -14px rgba(239,236,230,.5)}
.btn-sm{min-height:44px;padding:10px 20px;font-size:.92rem}

/* ---------- HEADER ---------- */
.header{
  position:fixed;inset:0 0 auto;z-index:100;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(14,16,19,.55);
  backdrop-filter:blur(14px) saturate(1.3);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease),height .35s var(--ease);
}
.header.scrolled{
  background:rgba(14,16,19,.9);
  border-bottom-color:var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:16px}
.header-logo{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;font-weight:800;font-size:1.02rem;letter-spacing:-.01em;
  margin-right:auto;
}
.header-logo img{width:40px;height:40px;border-radius:10px;object-fit:cover;flex:none}
.header-logo span{white-space:nowrap}
.nav{display:none;gap:26px}
.nav a{
  position:relative;text-decoration:none;
  font-size:.95rem;font-weight:600;color:var(--c-muted);
  padding:6px 0;transition:color .25s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-brass);border-radius:2px;
  transition:width .3s var(--ease);
}
.nav a:hover,.nav a.active{color:var(--c-text)}
.nav a:hover::after,.nav a.active::after{width:100%}
.header-cta{display:none;align-items:center;gap:18px}
.header-phone{
  text-decoration:none;font-weight:700;font-size:.95rem;white-space:nowrap;
  transition:color .25s var(--ease);
}
.header-phone:hover{color:var(--c-brass-lt)}
.burger{
  width:46px;height:46px;flex:none;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border-radius:12px;border:1px solid var(--c-line);
}
.burger span{
  display:block;width:20px;height:2px;border-radius:2px;background:var(--c-text);
  transition:transform .35s var(--ease),opacity .25s var(--ease);
}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-overlay{
  position:fixed;inset:0;z-index:90;
  background:rgba(8,9,11,.7);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s;
}
.nav-overlay.active{opacity:1;visibility:visible}
.nav.open{
  display:flex;flex-direction:column;
  position:fixed;inset:var(--header-h) 0 auto;z-index:95;
  background:var(--c-bg-2);
  border-bottom:1px solid var(--c-line);
  padding:8px var(--pad) 26px;
  gap:2px;
}
.nav.open a{
  font-size:1.2rem;font-weight:700;color:var(--c-text);
  padding:15px 0;border-bottom:1px solid var(--c-line);
}
.nav.open a::after{display:none}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;
  padding-block:calc(var(--header-h) + 44px) 76px;
  overflow:hidden;
  isolation:isolate;
}
.hero-media{position:absolute;inset:0;z-index:-1}
.hero-canvas{position:absolute;inset:0}
.hero-canvas canvas{display:block;width:100%;height:100%}
.hero-fallback{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
  opacity:.42;
  filter:saturate(.55) contrast(1.05);
  transition:opacity .9s var(--ease);
}
/* когда WebGL активен — статичный фон плавно гаснет */
body.webgl-on .hero-fallback{opacity:0}
.hero-veil{
  position:absolute;inset:0;
  background:
    /* левая часть — под текст, затемняем сильнее */
    linear-gradient(100deg,rgba(14,16,19,.94) 0%,rgba(14,16,19,.86) 30%,rgba(14,16,19,.45) 62%,rgba(14,16,19,.12) 100%),
    /* сверху/снизу — мягкая рамка, середина остаётся светлой */
    linear-gradient(180deg,rgba(14,16,19,.72) 0%,rgba(14,16,19,.18) 30%,rgba(14,16,19,.20) 62%,rgba(14,16,19,.88) 100%);
}
/* текст поверх яркого неона — тёмная подложка-тень для читаемости */
body.webgl-on .hero h1,body.webgl-on .hero-subtitle,body.webgl-on .hero-content p{text-shadow:0 2px 18px rgba(8,9,11,.85),0 0 4px rgba(8,9,11,.6)}
/* с 3D-сценой правую часть почти не затемняем — неон должен светиться */
body.webgl-on .hero-veil{
  background:
    linear-gradient(100deg,rgba(14,16,19,.92) 0%,rgba(14,16,19,.78) 30%,rgba(14,16,19,.22) 60%,rgba(14,16,19,0) 100%),
    linear-gradient(180deg,rgba(14,16,19,.55) 0%,rgba(14,16,19,0) 25%,rgba(14,16,19,0) 70%,rgba(14,16,19,.85) 100%);
}
.hero-content{max-width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;margin-bottom:24px;
  border:1px solid var(--c-line-strong);border-radius:999px;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(8px);
  font-size:.82rem;font-weight:700;letter-spacing:.01em;color:#E7E2D8;
}
.hero-badge svg{color:var(--c-brass-lt);flex:none}
.hero h1{
  font-size:clamp(2rem,7.4vw,5.4rem);
  line-height:1.04;
  margin-bottom:22px;
  text-wrap:balance;
  overflow-wrap:break-word;   /* длинные слова не вылезают за экран */
  hyphens:auto;
}
.hero h1 span{
  display:inline-block;
  background:linear-gradient(100deg,var(--c-brass-lt),var(--c-brass) 40%,var(--c-terra));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-text{
  font-size:clamp(1.02rem,2.2vw,1.22rem);
  max-width:56ch;margin-bottom:34px;color:#C3CAD2;
}
.hero-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}
.hero-buttons .btn{flex:1 1 auto;min-width:min(100%,230px)}
@media (min-width:640px){.hero-buttons .btn{flex:0 0 auto}}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:clamp(10px,3vw,28px);
  padding-top:28px;border-top:1px solid var(--c-line);
  max-width:640px;
}
.hero-stat-number{
  font-size:clamp(1.7rem,5.4vw,2.9rem);
  font-weight:800;line-height:1;letter-spacing:-.03em;
  color:var(--c-text);
  font-variant-numeric:tabular-nums;
}
.hero-stat-number span{color:var(--c-brass)}
.hero-stat-label{
  margin-top:8px;font-size:.82rem;line-height:1.35;color:var(--c-dim);
}
.hero-scroll{
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);
  display:none;flex-direction:column;align-items:center;gap:10px;
  font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--c-dim);
}
.hero-scroll-line{
  width:1px;height:54px;
  background:linear-gradient(180deg,var(--c-brass),transparent);
  animation:scrollLine 2.4s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{transform:scaleY(0);transform-origin:top}
  45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ---------- CARDS BASE ---------- */
.advantages-grid,.services-grid{
  display:grid;gap:16px;
}

/* ---------- ADVANTAGES ---------- */
.advantage-card{
  padding:clamp(22px,3.4vw,32px);
  border:1px solid var(--c-line);border-radius:var(--radius);
  background:linear-gradient(180deg,var(--c-surface),rgba(19,22,26,.55));
  transition:transform .45s var(--ease),border-color .45s var(--ease),box-shadow .45s var(--ease);
}
.advantage-card:hover{
  transform:translateY(-5px);
  border-color:rgba(201,150,76,.45);
  box-shadow:var(--shadow-md);
}
.advantage-icon{
  width:54px;height:54px;margin-bottom:18px;
  display:grid;place-items:center;border-radius:14px;
  color:var(--c-brass-lt);
  background:linear-gradient(145deg,rgba(201,150,76,.18),rgba(201,150,76,.05));
  border:1px solid rgba(201,150,76,.25);
}
.advantage-card h3{margin-bottom:10px}
.advantage-card p{font-size:.96rem}

/* ---------- SERVICES ---------- */
.services-grid{
  perspective:1400px;
  grid-template-columns:1fr;
}
.service-card{
  position:relative;
  padding:clamp(24px,3.6vw,34px);
  border:1px solid var(--c-line);border-radius:var(--radius);
  background:linear-gradient(165deg,var(--c-surface-2),rgba(16,19,22,.7));
  overflow:hidden;
  transform-style:preserve-3d;
  transition:transform .45s var(--ease),border-color .45s var(--ease),box-shadow .45s var(--ease);
}
/* блик, следующий за курсором (координаты задаёт JS) */
.service-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,0%),rgba(201,150,76,.16),transparent 62%);
  opacity:0;transition:opacity .4s var(--ease);
}
.tilt:hover::before{opacity:1}
.service-card:hover{
  border-color:rgba(201,150,76,.4);
  box-shadow:var(--shadow-md);
}
.service-icon{
  width:52px;height:52px;margin-bottom:20px;
  display:grid;place-items:center;border-radius:14px;
  color:var(--c-brass-lt);
  background:rgba(201,150,76,.1);
  border:1px solid rgba(201,150,76,.22);
  transform:translateZ(28px);
}
.service-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.service-card h3{margin-bottom:12px;transform:translateZ(20px)}
.service-card p{font-size:.95rem;transform:translateZ(10px)}
.service-tag{
  position:absolute;top:20px;right:20px;
  padding:6px 12px;border-radius:999px;
  font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:var(--c-brass-lt);
  background:rgba(201,150,76,.12);
  border:1px solid rgba(201,150,76,.28);
  transform:translateZ(36px);
}

/* ---------- PORTFOLIO ---------- */
.portfolio-filters{
  display:flex;gap:9px;flex-wrap:wrap;
  margin-bottom:clamp(26px,4vw,42px);
}
.filter-btn{
  padding:10px 18px;border-radius:999px;
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.03);
  font-size:.9rem;font-weight:700;color:var(--c-muted);
  transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.filter-btn:hover{color:var(--c-text);border-color:var(--c-line-strong)}
.filter-btn.active{
  color:#14161a;border-color:transparent;
  background:linear-gradient(135deg,var(--c-brass-lt),var(--c-brass));
}
.portfolio-grid{
  display:grid;gap:14px;
  perspective:1600px;
}
/* .portfolio-item — глубинный сдвиг (управляется JS инлайном).
   .portfolio-open — hover-подъём (не конфликтует со скролл-сдвигом). */
.portfolio-item{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  transform-style:preserve-3d;
  will-change:transform;
  transition:opacity .45s var(--ease);
}
.portfolio-item.is-hidden{display:none}
.portfolio-open{
  position:relative;display:block;width:100%;padding:0;
  border-radius:var(--radius);overflow:hidden;
  text-align:left;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
}
.portfolio-open:hover,.portfolio-open:focus-visible{
  transform:translateZ(18px) scale(1.012);
  box-shadow:var(--shadow-md);
}
.portfolio-open img{
  width:100%;height:100%;
  aspect-ratio:4/3;object-fit:cover;
  transition:transform .8s var(--ease),filter .8s var(--ease);
  filter:brightness(.86) saturate(.92);
}
.portfolio-open:focus-visible{outline-offset:-4px}
.portfolio-item:hover .portfolio-open img,
.portfolio-open:focus-visible img{
  transform:scale(1.06);
  filter:brightness(1) saturate(1.05);
}
.portfolio-overlay{
  position:absolute;inset:auto 0 0;padding:20px;
  display:flex;flex-direction:column;gap:4px;
  background:linear-gradient(0deg,rgba(8,9,11,.94),rgba(8,9,11,.5) 55%,transparent);
  transform:translateZ(40px);
}
.portfolio-title{font-weight:800;font-size:1.02rem;color:#F3F0EA;line-height:1.25}
.portfolio-desc{font-size:.85rem;color:#AEB6BF;line-height:1.4}

/* ---------- LIGHTBOX ---------- */
.lightbox{
  position:fixed;inset:0;z-index:150;
  display:grid;place-items:center;padding:var(--pad);
  background:rgba(6,7,9,.94);
  backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;
  transition:opacity .35s var(--ease),visibility .35s;
}
.lightbox[hidden]{display:none}
/* при открытии visibility включается сразу — иначе кнопка закрытия
   в первом кадре не принимает фокус */
.lightbox.active{opacity:1;visibility:visible;transition:opacity .35s var(--ease),visibility 0s}
.lightbox img{
  max-width:min(1000px,92vw);max-height:82vh;
  border-radius:var(--radius);
  border:1px solid var(--c-line-strong);
  box-shadow:var(--shadow-lg);
  transform:scale(.96);opacity:0;
  transition:transform .4s var(--ease),opacity .4s var(--ease);
}
.lightbox.active img{transform:scale(1);opacity:1}
.lightbox-close{
  position:absolute;top:16px;right:16px;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  font-size:30px;line-height:1;color:var(--c-text);
  background:rgba(255,255,255,.08);border:1px solid var(--c-line-strong);
}
.lightbox-close:hover{background:rgba(255,255,255,.16)}

/* ---------- PROCESS ---------- */
.process-steps{display:grid;gap:14px;position:relative}
.process-step{
  position:relative;
  padding:26px 22px;
  border:1px solid var(--c-line);border-radius:var(--radius);
  background:linear-gradient(180deg,var(--c-surface),rgba(19,22,26,.4));
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.process-step:hover{transform:translateY(-4px);border-color:rgba(201,150,76,.4)}
.process-step-number{
  font-size:.82rem;font-weight:800;letter-spacing:.16em;
  color:var(--c-brass);margin-bottom:12px;
}
.process-step h3{margin-bottom:8px}
.process-step p{font-size:.93rem}

/* ---------- ABOUT ---------- */
.about-wrapper{display:grid;gap:clamp(34px,5vw,60px);align-items:center}
.about-content h2{margin-bottom:20px}
.about-content p{margin-bottom:16px;max-width:62ch}
.about-features{display:grid;gap:16px;margin-top:30px}
.about-feature{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;border-radius:var(--radius-sm);
  border:1px solid var(--c-line);
  background:rgba(255,255,255,.02);
}
.about-feature-icon{
  width:36px;height:36px;flex:none;border-radius:10px;
  display:grid;place-items:center;
  color:#14161a;background:linear-gradient(135deg,var(--c-brass-lt),var(--c-brass));
}
.about-feature h4{margin-bottom:5px}
.about-feature p{font-size:.9rem;margin:0}
.about-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
}
.about-stat{
  padding:24px 18px;border-radius:var(--radius);
  border:1px solid var(--c-line);
  background:linear-gradient(165deg,var(--c-surface-2),rgba(16,19,22,.6));
  text-align:center;
}
.about-stat-number{
  font-size:clamp(1.6rem,4.6vw,2.4rem);font-weight:800;line-height:1;
  letter-spacing:-.03em;color:var(--c-brass-lt);
  font-variant-numeric:tabular-nums;
}
.about-stat-label{margin-top:10px;font-size:.84rem;color:var(--c-dim);line-height:1.35}

/* ---------- CONTACT ---------- */
.contact-wrapper{display:grid;gap:20px}
.contact-info{
  padding:clamp(24px,3.6vw,38px);
  border:1px solid var(--c-line);border-radius:var(--radius);
  background:linear-gradient(180deg,var(--c-surface),rgba(19,22,26,.45));
}
.contact-info h3{margin-bottom:8px}
.contact-info > p{margin-bottom:26px;font-size:.96rem}
.contact-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;
  border-top:1px solid var(--c-line);
}
.contact-item-icon{
  width:42px;height:42px;flex:none;border-radius:12px;
  display:grid;place-items:center;color:var(--c-brass-lt);
  background:rgba(201,150,76,.1);border:1px solid rgba(201,150,76,.22);
}
.contact-item-text h4{
  font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-dim);margin-bottom:6px;
}
.contact-item-text a,.contact-item-text p{
  font-size:1rem;font-weight:700;color:var(--c-text);text-decoration:none;margin:0;
  overflow-wrap:anywhere;
}
.contact-item-text a:hover{color:var(--c-brass-lt);text-decoration:underline}
.contact-cta{
  padding:clamp(26px,4vw,40px);
  border-radius:var(--radius);
  border:1px solid rgba(201,150,76,.3);
  background:
    radial-gradient(120% 100% at 100% 0%,rgba(194,104,63,.18),transparent 60%),
    linear-gradient(165deg,var(--c-surface-2),rgba(16,19,22,.85));
  display:flex;flex-direction:column;align-items:flex-start;gap:14px;
  box-shadow:var(--shadow-md);
}
.contact-cta h3{margin-bottom:-4px}
.contact-cta-text{font-size:.96rem}
.contact-cta .btn{width:100%}
.form-note{font-size:.84rem;color:var(--c-dim)}

/* ---------- FOOTER ---------- */
.footer{
  padding-block:clamp(48px,7vw,80px) 28px;
  border-top:1px solid var(--c-line);
  background:linear-gradient(180deg,var(--c-bg-2),#0b0d10);
}
.footer-grid{display:grid;gap:32px}
.footer-brand-header{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-weight:800;font-size:1.05rem}
.footer-brand-header img{width:40px;height:40px;border-radius:10px;object-fit:cover}
.footer-brand p{font-size:.92rem;max-width:44ch}
.footer-col h4{
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-brass-lt);margin-bottom:14px;
}
.footer-col a{
  display:block;padding:7px 0;font-size:.94rem;color:var(--c-muted);
  text-decoration:none;transition:color .25s var(--ease),transform .25s var(--ease);
}
.footer-col a:hover{color:var(--c-brass-lt);transform:translateX(4px)}
.footer-bottom{
  margin-top:clamp(34px,5vw,52px);padding-top:22px;
  border-top:1px solid var(--c-line);
  display:flex;flex-direction:column;gap:10px;
  font-size:.82rem;color:var(--c-dim);
}
.footer-bottom a{color:var(--c-muted);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--c-brass-lt)}

/* ---------- REVEAL ---------- */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.reveal.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.07s}
.reveal-delay-2{transition-delay:.14s}
.reveal-delay-3{transition-delay:.21s}
.reveal-delay-4{transition-delay:.28s}
.reveal-delay-5{transition-delay:.35s}
/* без JS контент виден */
.no-js .reveal{opacity:1;transform:none}

/* =========================================
   BREAKPOINTS
   ========================================= */

/* ≥ 560px */
@media (min-width:560px){
  .advantages-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .about-features{grid-template-columns:1fr}
  .footer-bottom{flex-direction:row;justify-content:space-between;gap:20px}
}

/* ≥ 900px */
@media (min-width:900px){
  :root{--header-h:76px}

  .nav{
    display:flex;position:static;
    inset:auto;background:none;border:0;padding:0;
    order:2;
  }
  .nav.open a{font-size:.95rem;color:var(--c-muted);padding:6px 0;border:0;font-weight:600}
  .nav.open a::after{
    display:block;content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--c-brass);transition:width .3s var(--ease);
  }
  .nav.open a:hover::after,.nav.open a.active::after{width:100%}
  .nav-overlay{display:none}
  .burger{display:none}
  .header-cta{display:flex;order:3}
  .header-logo{order:1}
  .header-inner{gap:28px}

  .hero{padding-block:calc(var(--header-h) + 60px) 110px}
  .hero-scroll{display:flex}

  .advantages-grid{grid-template-columns:repeat(4,1fr)}
  .services-grid{grid-template-columns:repeat(3,1fr);gap:18px}

  /* портфолио со сдвигом по глубине: центральный крупный, боковые смещены */
  .portfolio-grid{
    grid-template-columns:repeat(6,1fr);
    gap:16px;
  }
  .portfolio-grid{grid-auto-flow:row dense}
  .portfolio-item{grid-column:span 2}
  /* асимметрия только для «Все»: крупный слева, два справа столбиком, три снизу */
  .portfolio-grid:not(.is-filtered) .portfolio-item:nth-child(1){grid-column:1 / span 4;grid-row:span 2}
  .portfolio-open img{aspect-ratio:4/3}

  .process-steps{grid-template-columns:repeat(5,1fr);gap:14px}
  .process-step{padding:30px 22px}

  .about-wrapper{grid-template-columns:1.15fr .85fr;gap:clamp(40px,5vw,70px)}
  .about-stats{grid-template-columns:repeat(2,1fr)}

  .contact-wrapper{grid-template-columns:1fr 1fr;gap:20px}

  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
}

/* ≥ 1200px */
@media (min-width:1200px){
  .services-grid{gap:20px}
  .portfolio-grid{gap:20px}
}

/* ---------- REDUCED MOTION / NO MOTION ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none}
  .hero-scroll-line{animation:none}
  /* статичный фон, без параллакса и наклона */
  .service-card,.portfolio-item{transform:none!important}
  .hero-fallback{opacity:.42}
  /* без движения постоянные композитные слои не нужны */
  .btn,.portfolio-item{will-change:auto}
}
/* цель skip-link получает фокус программно, рамка не нужна */
#hero:focus{outline:none}

/* ---------- MOTION SAFE (JS выключает тяжёлые эффекты) ---------- */
body.motion-lite .service-card,
body.motion-lite .portfolio-item{transform:none!important}
body.motion-lite .service-card::before{display:none}
/* =========================================
   ТЕМА: нежно-голубая (вариант 3, на основе неонового №2)
   Переопределяем токены и места с «зашитыми» тёмными цветами.
   ========================================= */
:root{
  --c-bg:#EAF4FC;
  --c-bg-2:#E0EEF9;
  --c-surface:#F8FCFF;
  --c-surface-2:#F1F8FE;
  --c-line:rgba(30,70,110,.12);
  --c-line-strong:rgba(30,70,110,.22);
  --c-text:#142231;
  --c-muted:#41546A;
  --c-dim:#55677C;
  --c-brass:#B07A2E;
  --c-brass-lt:#9A6620;          /* на светлом фоне акцент темнее — ради контраста */
  --c-terra:#B0532B;
  --shadow-lg:0 30px 70px -34px rgba(40,80,120,.35);
  --shadow-md:0 18px 40px -26px rgba(40,80,120,.4);
}
.btn-outline{background:rgba(255,255,255,.55)}
.btn-outline:hover{background:rgba(255,255,255,.9)}
.btn-light{background:#142231;color:#fff}
.btn-light:hover{box-shadow:0 14px 34px -14px rgba(20,34,49,.45)}
.header{background:rgba(234,244,252,.6)}
.header.scrolled{background:rgba(234,244,252,.92);box-shadow:0 10px 30px -22px rgba(40,80,120,.5)}
.nav-overlay{background:rgba(20,40,60,.35)}
.hero-badge{background:rgba(255,255,255,.6);color:#142231}
.hero-text{color:#33475C}
.hero-veil{
  background:
    linear-gradient(100deg,rgba(234,244,252,.96) 0%,rgba(234,244,252,.88) 30%,rgba(234,244,252,.45) 62%,rgba(234,244,252,.1) 100%),
    linear-gradient(180deg,rgba(234,244,252,.7) 0%,rgba(234,244,252,.15) 30%,rgba(234,244,252,.2) 62%,rgba(234,244,252,.9) 100%);
}
body.webgl-on .hero-veil{
  background:
    linear-gradient(100deg,rgba(234,244,252,.95) 0%,rgba(234,244,252,.82) 30%,rgba(234,244,252,.25) 60%,rgba(234,244,252,0) 100%),
    linear-gradient(180deg,rgba(234,244,252,.55) 0%,rgba(234,244,252,0) 25%,rgba(234,244,252,0) 70%,rgba(234,244,252,.9) 100%);
}
body.webgl-on .hero h1,body.webgl-on .hero-subtitle,body.webgl-on .hero-content p{text-shadow:0 2px 16px rgba(234,244,252,.95),0 0 3px rgba(234,244,252,.9)}
.hero-fallback{opacity:.5;filter:saturate(.7) brightness(1.15)}
.advantage-card{background:linear-gradient(180deg,#FFFFFF,#F1F8FE)}
.service-card{background:linear-gradient(165deg,#FFFFFF,#EEF6FD)}
.process-step{background:linear-gradient(180deg,#FFFFFF,#F1F8FE)}
.about-feature{background:rgba(255,255,255,.7)}
.about-stat{background:linear-gradient(165deg,#FFFFFF,#EEF6FD)}
.contact-info{background:linear-gradient(180deg,#FFFFFF,#F1F8FE)}
.contact-cta{background:linear-gradient(165deg,#FFFFFF,#E6F2FC)}
.filter-btn{background:rgba(255,255,255,.7)}
.footer{background:linear-gradient(180deg,#DCEBF7,#CFE3F3)}
::selection{background:#BFE0F7;color:#142231}
/* градиентный текст прозрачный — text-shadow просвечивает сквозь буквы, поэтому
   у акцента тень убираем и даём ореол через filter */
body.webgl-on .hero h1 span{text-shadow:none;filter:drop-shadow(0 2px 10px rgba(234,244,252,.95))}
.hero h1 span{background-image:linear-gradient(100deg,#B5741F,#C2531F 55%,#A8361C)}
.btn-primary{background:linear-gradient(135deg,#F2C068,#E39A45 55%,#D9733C);color:#1A1208}