:root{
  --red:#E31E24; --ink:#0F172A; --text:#1F2937; --muted:#6B7280; --line:#ECEFF3;
  --bg:#FFFFFF; --bg-2:#F2F4F7; --radius:16px; --shadow:0 6px 24px rgba(0,0,0,.06);
  --focus:#2563EB;
}
*{box-sizing:border-box}
html, body {
  height: 100%;
  width: 100%;            /* Заставляет сайт занимать ровно ширину экрана */
  overflow-x: hidden;     /* Обрезает всё, что вылезает за пределы ширины */
  position: relative;     /* Помогает правильно позиционировать элементы */
}
body {
  margin:0;
  color:var(--text);
  background:#fff;
  font:16px/1.5 "Inter",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:40px 0}
.section--compact{padding:24px 0}
.section--muted{background:#F8FAFC}
.grid{display:grid;gap:20px}
h1,h2,h3{letter-spacing:-.01em}
h1{font-size:34px;margin:0 0 10px}
h2{font-size:28px;margin:0 0 16px}

/* Focus styles */
a:focus,button:focus{outline:2px solid var(--focus);outline-offset:2px;border-radius:10px}

/* Cards / Categories */
.card{background:#fff;border:1px solid #E7EBF0;border-radius:var(--radius);padding:18px;box-shadow:0 1px 0 rgba(0,0,0,.04);text-decoration:none;color:inherit;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.08);border-color:#DEE4EA;background:#F8FAFC}
#catalog .categories{grid-template-columns:repeat(6,1fr)}
.cat img{width:100%;height:120px;object-fit:contain;background:var(--bg-2);border-radius:12px}
.cat__text{margin-top:12px}
.cat__title{font-size:12px;font-weight:800;color:var(--red);margin:0 0 4px;letter-spacing:1px;text-transform:uppercase}
.cat__subtitle{margin:0;font-size:16px;font-weight:700;line-height:1.35;color:var(--text)}
.cat__micro{margin:4px 0 0;font-size:12px;color:var(--muted)}

/* B2B */
.b2b{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:24px;background:linear-gradient(135deg,#1F2430,#131722);color:#fff;border-radius:var(--radius)}
.b2b__art img{width:100%;height:auto;opacity:.95}
.crumbs{display:flex;gap:8px;align-items:center;color:#D1D5DB;margin:6px 0 18px}
.crumbs a{color:#D1D5DB;text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.actions-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 16px;border-radius:12px;border:0;cursor:pointer;font-weight:700}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{filter:brightness(.97)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3)}

/* Отключаем наследование hover от .card */
.b2b.card:hover,
.b2b:hover {
  background: linear-gradient(135deg,#1F2430,#131722) !important;
  box-shadow: none !important;
  border-color: #1F2430 !important;
  transform: none !important;
}

/* Floating contacts */
.floating{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:60}
.floating a{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:#fff;border:1px solid #E7EBF0;box-shadow:0 8px 22px rgba(0,0,0,.12);text-decoration:none}
.floating a:hover{filter:brightness(.96)}
.floating .tooltip{position:absolute;right:62px;white-space:nowrap;background:#111;color:#fff;border-radius:8px;padding:6px 8px;font-size:12px;opacity:0;transform:translateY(6px);pointer-events:none;transition:opacity .15s ease,transform .15s ease}
.floating a:hover + .tooltip{opacity:1;transform:translateY(0)}
@media (max-width:480px){
  .floating{right:10px;bottom:10px}
  .floating .tooltip{right:56px;max-width:60vw;overflow:hidden;text-overflow:ellipsis}
}

/* HERO */
#tn-hero{position:relative;margin:clamp(12px,2vw,20px) 0}
#tn-hero .viewport{position:relative;min-height:clamp(160px,18vw,300px);border-radius:16px;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,.2);background:#000;isolation:isolate}
#tn-hero .img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:1;transition:opacity 220ms ease;user-select:none;-webkit-user-drag:none;z-index:1;background:#000;display:block}
#tn-hero .overlay{position:absolute;inset:0;z-index:2;background:transparent}
#tn-hero .caption{position:absolute;inset:0;z-index:3;display:grid;align-content:center;justify-items:center;text-align:center;padding:clamp(14px,3vw,28px);color:#fff}
#tn-hero .caption h1{font-size:clamp(22px,3.2vw,38px);margin:0 0 6px}
#tn-hero .caption p{margin:0 0 14px;opacity:.95}
#tn-hero .caption .btn{height:40px}
#tn-hero .nav{position:absolute;inset:0;z-index:10;pointer-events:none}
#tn-hero .nav button{pointer-events:all;position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:999px;border: none;background: transparent;color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .2s ease,transform .1s ease;backdrop-filter:blur(2px);outline:none;box-shadow: none}
#tn-hero .nav button:hover{background:rgba(0,0,0,.55)}
#tn-hero .nav button:active{transform:translateY(-50%) scale(.98)}
#tn-prev{left:10px}#tn-next{right:10px}
#tn-hero .nav svg{width:18px;height:18px}

/* Responsive */
@media (max-width:1279px){#catalog .categories{grid-template-columns:repeat(4,1fr)}}
@media (max-width:991px){.usp{grid-template-columns:repeat(2,1fr)}.b2b{grid-template-columns:1fr}}
@media (max-width:767px){#catalog .categories{grid-template-columns:repeat(2,1fr)}}


/* Active navigation state for header links */
header nav a.is-active {
  color: var(--red);
  font-weight: 700;
  border-bottom: 2px solid var(--red);
}

/* ==== Tech Nomad: landing visual enhancements ==== */

/* HERO: подзаголовок и теги */
.hero-kicker{
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:600;
  color:#E5E7EB;
  margin-bottom:4px;
}
.hero-title{
  margin:0 0 6px !important;
}
.hero-sub{
  margin:0 0 10px;
  opacity:.96;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:14px;
}
.hero-tags span{
  background: transparent !important;
  box-shadow: none !important;
  font-size:11px;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid rgba(248,250,252,.5);
  background:rgba(15,23,42,.4);
}

/* Подзаголовок секций */
.section-lead{
  margin:0 0 14px;
  font-size:14px;
  color:#4B5563;
}

/* УТП ряд */
.usp{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.usp__item{
  background:#F9FAFB;
  border-radius:16px;
  padding:14px 14px 12px;
  border:1px solid #E5E7EB;
}
.usp__item h3{
  margin:0 0 4px;
  font-size:14px;
}
.usp__item p{
  margin:0;
  font-size:13px;
  color:#6B7280;
}

/* ==== Для кого мы работаем ==== */
.who-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:18px;
}

.who-card{
  position:relative;
  border:none;
  padding:0;
  margin:0;
  width:100%;
  background:#020617;
  border-radius:18px;
  overflow:hidden;
  cursor:pointer;
  text-align:center;
  color:#fff;
  box-shadow:0 12px 32px rgba(15,23,42,.45);
  transition:transform .22s ease,box-shadow .22s ease;
}

.who-card__img img{
  display:block;
  width:100%;
  height:220px;
  object-fit:cover;
}

.who-card__overlay{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-end;
  padding:18px 14px 14px;
  background:rgba(0,0,0,0.25);
  transition:background .22s ease;
}

.who-card__title{
  font-weight:700;
  font-size:15px;
  margin-bottom:8px;
}

.who-card__cta{
  padding:7px 14px;
  border-radius:999px;
  background:#22C55E;
  color:#0F172A;
  font-weight:700;
  font-size:13px;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .22s ease,transform .22s ease;
}

/* ====== Ховер с блюром ====== */

.who-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 40px rgba(15,23,42,.6);
}

/* блюрим изображение */
.who-card:hover .who-card__img img{
  filter:blur(6px) brightness(0.7);
  transform:scale(1.05);
  transition:filter .3s ease, transform .3s ease;
}

/* затемнение фона при ховере */
.who-card:hover .who-card__overlay{
  background:rgba(0,0,0,0.55);
}

/* кнопка появляется */
.who-card:hover .who-card__cta{
  opacity:1;
  transform:translateY(0);
}

/* кнопка — красная */
.who-card__cta{
  padding:7px 14px;
  border-radius:999px;
  background:#E31E24 !important; /* красная кнопка */
  color:#fff !important;
  font-weight:700;
  font-size:13px;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .22s ease,transform .22s ease;
}

/* адаптив */
@media (max-width:1200px){
  .who-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}
@media (max-width:768px){
  .who-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media (max-width:560px){
  .who-grid{
    grid-template-columns:1fr;
  }
  .who-card__img img{
    height:200px;
  }
}


/* Шаги проекта */
.steps{
  grid-template-columns:repeat(4,1fr);
}
.step{
  position:relative;
  padding-top:18px;
}
.step__num{
  position:absolute;
  top:-10px;
  left:14px;
  width:26px;
  height:26px;
  border-radius:999px;
  background:#111827;
  color:#fff;
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.step h3{
  margin:0 0 6px;
  font-size:15px;
}
.step p{
  margin:0;
  font-size:13px;
  color:#4B5563;
}

/* FAQ */
.faq{
  display:flex;
  flex-direction:column;
  gap:8px;
  max-width:720px;
}
.faq__item{
  border-radius:12px;
  border:1px solid #E5E7EB;
  background:#FFFFFF;
  padding:8px 12px;
}
.faq__item summary{
  list-style:none;
  cursor:pointer;
  font-weight:500;
  font-size:14px;
  color:#111827;
}
.faq__item summary::-webkit-details-marker{
  display:none;
}
.faq__item[open] summary{
  color:var(--red);
}
.faq__item p{
  margin:6px 0 2px;
  font-size:13px;
  color:#4B5563;
}

/* Плавающие контакты (универсальные) */
.float-buttons {
  position: fixed;
  right: 20px;
  bottom: 90px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}
.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fff;
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  transition: all 0.2s ease;
}
.float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
.float-btn img {
  width: 28px;
  height: 28px;
}
.float-btn.whatsapp { border: 2px solid #25D366; }
.float-btn.telegram { border: 2px solid #229ED9; }
.float-btn.phone { border: 2px solid #0F172A; }

/* Лёгкое разделение секций */
.section + .section{
  border-top:1px solid #EEF2F7;
}
.section.section--muted{
  border-top:none;
}

/* Адаптив */
@media (max-width:1024px){
  .usp{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .usp{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .faq{max-width:100%;}
  .float-buttons{ right: 14px; bottom: 80px; gap: 8px; }
  .float-btn{ width: 50px; height: 50px; }
  .float-btn img{ width: 24px; height: 24px; }
}

/* ==== Tech Nomad: footer (dark) ==== */
.footer.footer--dark{
  background:#1C1C1E;
  color:#E5E7EB;
  padding:40px 0 20px;
  border-top:1px solid #2C2C2E;
}
.footer--dark .footer__inner{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap:20px;
  padding-bottom:20px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.footer--dark .footer__brand{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.footer--dark .logo{
  display:inline-flex;
  align-items:center;
  text-decoration:none;
  color:#fff;
  font-weight:800;
  letter-spacing:-0.02em;
}
.footer--dark .logo__badge{
  background:#E31E24;
  color:#fff;
  padding:8px 10px;
  border-radius:12px;
  margin-right:6px;
  font-weight:800;
}
.footer--dark .logo__text{
  font-weight:800;
}
.footer--dark .links a{
  display:block;
  color:#AEB4BC;
  text-decoration:none;
  margin:6px 0;
}
.footer--dark .links a:hover{
  color:#fff;
}
.footer--dark .footer__bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:16px;
  color:#9CA3AF;
}
.footer--dark .social{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:2px;
}
.footer--dark .social a{
  display:inline-flex;
  width:32px;
  height:32px;
  border-radius:8px;
  background:#2C2C2E;
  align-items:center;
  justify-content:center;
}
.footer--dark .social a:hover{
  filter:brightness(1.1);
}
.footer--dark .social img{
  width:20px;
  height:20px;
  object-fit:contain;
}
.footer--dark .mini{
  color:#AEB4BC;
  font-size:14px;
}

/* Footer responsive */
@media (max-width: 900px){
  .footer--dark .footer__inner{
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px){
  .footer--dark .footer__inner{
    grid-template-columns: 1fr;
  }
  .footer--dark .footer__bottom{
    flex-direction:column;
    gap:10px;
    align-items:flex-start;
  }
}
/* Smooth scroll for anchor links */
html {
  scroll-behavior: smooth;
}

/* ==== Tech Nomad: О компании ==== */
.section--about{
  background:#0B1120;
  color:#E5E7EB;
}

.section--about h2{
  color:#FFFFFF;
}

.about{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:32px;
  align-items:stretch;
  border-radius:var(--radius);
  padding:24px 24px 22px;
  background:linear-gradient(135deg,#101827,#0B1120);
  box-shadow:var(--shadow);
}

.about__text p{
  margin:0 0 10px;
  font-size:14px;
  color:#E5E7EB;
}

.about__kicker{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-weight:600;
  color:#9CA3AF;
  margin:0 0 6px;
}

.about__actions{
  margin-top:16px;
}

/* светлая кнопка */
.btn--light{
  background:#FFFFFF;
  color:var(--ink);
  border:1px solid #E5E7EB;
}
.btn--light:hover{
  filter:brightness(.97);
}

/* галерея */
.about__gallery{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.about__photo-main{
  flex:1;
  border-radius:18px;
  overflow:hidden;
  background:#020617;
}

.about__photo-main img{
  width:100%;
  height:100%;
  max-height:280px;
  object-fit:cover;
  display:block;
}

.about__thumbs{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
}

.about__thumb{
  border-radius:14px;
  overflow:hidden;
  background:#020617;
  opacity:.95;
  transition:transform .18s ease, opacity .18s ease;
}
.about__thumb img{
  width:100%;
  height:100%;
  max-height:120px;
  object-fit:cover;
  display:block;
}
.about__thumb:hover{
  transform:translateY(-2px);
  opacity:1;
}
/* анимация для большого фото */
.about__photo-main{
  border-radius:18px;
  overflow:hidden;
  background:#020617;
  transition:transform .18s ease, opacity .18s ease;
}

.about__photo-main:hover{
  transform:translateY(-2px);
  opacity:1;
}


/* адаптив */
@media (max-width:991px){
  .about{
    grid-template-columns:1fr;
  }
  .about__gallery{
    order:-1;
  }
}

@media (max-width:640px){
  .about{
    padding:18px 16px 16px;
  }
  .about__photo-main img{
    max-height:220px;
  }
}

/* ==== Модалка КП на главной ==== */
body.tn-modal-open{
  overflow:hidden;
}

.tn-modal{
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:1100;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease;
}

.tn-modal[aria-hidden="false"]{
  opacity:1;
  pointer-events:auto;
}

.tn-modal__backdrop{
  position:absolute;
  inset:0;
  background:rgba(15,23,42,.65);
}

.tn-modal__dialog{
  position:relative;
  z-index:1;
  background:#FFFFFF;
  border-radius:18px;
  max-width:420px;
  width:100%;
  padding:22px 20px 18px;
  box-shadow:0 20px 50px rgba(15,23,42,.5);
}

.tn-modal__close{
  position:absolute;
  top:10px;
  right:10px;
  border:none;
  background:transparent;
  font-size:22px;
  line-height:1;
  cursor:pointer;
  color:#6B7280;
}

.tn-modal__title{
  margin:0 0 8px;
  font-size:20px;
  font-weight:700;
  color:#111827;
}

.tn-modal__subtitle{
  margin:0 0 14px;
  font-size:14px;
  color:#4B5563;
}

.tn-modal__form{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.tn-modal__field{
  display:flex;
  flex-direction:column;
  gap:4px;
}

.tn-modal__field label{
  font-size:13px;
  color:#4B5563;
}

.tn-modal__field input,
.tn-modal__field textarea{
  border-radius:10px;
  border:1px solid #E5E7EB;
  padding:8px 10px;
  font-size:14px;
  font-family:inherit;
}

.tn-modal__field textarea{
  min-height:80px;
  resize:vertical;
}

.tn-modal__consent-text{
  margin:6px 0 0;
  font-size:12px;
  line-height:1.45;
  color:#6B7280;
}

.tn-modal__actions{
  margin-top:8px;
  display:flex;
  justify-content:flex-start;
}

.tn-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 18px;
  height:44px;
  border-radius:12px;
  border:none;
  font-weight:600;
  cursor:pointer;
}

.tn-btn--green{
  background:#22C55E;
  color:#FFFFFF;
}

.tn-btn--green:hover{
  filter:brightness(.97);
}

/* адаптив модалки */
@media (max-width:480px){
  .tn-modal__dialog{
    margin:0 16px;
    max-width:none;
  }
}

/* ==== TechNomad: Consultation Block — Modern Envelope ==== */

.tn-consult{
  padding:40px 0 32px;
  background:#FFFFFF;
}

/* Внешний конверт — плоский, с живым градиентом */
.tn-envelope{
  position:relative;
  max-width:720px;
  margin:0 auto;
  border-radius:26px;
  padding:1px;
  background:
    radial-gradient(circle at 0% 0%, rgba(37,99,235,0.25), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(227,30,36,0.20), transparent 55%),
    linear-gradient(135deg,#0F172A,#1F2937);
  background-size:160% 160%;
  box-shadow:0 18px 45px rgba(15,23,42,.25);
  overflow:hidden;
  transition:
    transform .28s cubic-bezier(.22,.61,.36,1),
    box-shadow .28s ease,
    background-position .5s ease;
}

.tn-envelope:hover{
  transform:translateY(-4px);
  box-shadow:0 26px 60px rgba(15,23,42,.30);
  background-position:100% 0;
}

/* Плоский "клапан": открытие через clip-path */
.tn-envelope__flap{
  position:absolute;
  inset:0;
  height:42%;
  background:linear-gradient(135deg,#0B1120,#111827);
  background-size:200% 100%;
  clip-path:polygon(0 0, 100% 0, 100% 60%, 50% 100%, 0 60%);
  opacity:.95;
  pointer-events:none;
  transition:
    clip-path .35s cubic-bezier(.25,.8,.25,1),
    background-position .35s ease,
    opacity .25s ease;
}

.tn-envelope:hover .tn-envelope__flap{
  /* «Открываем» клапан в плоскости — вершина поднимается выше */
  clip-path:polygon(0 0, 100% 0, 100% 40%, 50% 75%, 0 40%);
  background-position:100% 0;
  opacity:.9;
}

/* Внутреннее письмо — немного выезжает и усиливается тень */
.tn-envelope__inner{
  position:relative;
  z-index:1;
  margin:18px 16px 18px;
  border-radius:22px;
  padding:26px 30px 26px;
  background:
    radial-gradient(circle at 20% 0%, rgba(148,163,184,0.22) 0%, transparent 55%),
    radial-gradient(circle at 85% 80%, rgba(15,23,42,0.06) 0%, transparent 60%),
    linear-gradient(145deg,#FFFFFF,#F3F4F6);
  box-shadow:0 10px 28px rgba(15,23,42,0.14);
  text-align:center;
  transform:translateY(6px);
  transition:
    transform .32s cubic-bezier(.22,.61,.36,1),
    box-shadow .32s ease;
}

.tn-envelope:hover .tn-envelope__inner{
  transform:translateY(0);
  box-shadow:0 16px 38px rgba(15,23,42,0.20);
}

/* Контент */
.tn-envelope__inner h2{
  font-size:26px;
  margin:0 0 8px;
  color:#0F172A;
  font-weight:800;
}

.tn-consult__text{
  margin:0 0 18px;
  font-size:15px;
  color:#4B5563;
}

.tn-consult__btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 26px;
  border-radius:999px;
  border:none;
  background:#E31E24;
  color:#fff;
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  box-shadow:0 10px 25px rgba(227,30,36,0.35);
  transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.tn-consult__btn:hover{
  filter:brightness(.97);
  transform:translateY(-1px);
  box-shadow:0 14px 32px rgba(227,30,36,0.45);
}
.tn-consult__btn:active{
  transform:translateY(0);
  box-shadow:0 6px 16px rgba(227,30,36,0.35);
}

.tn-consult__small{
  margin:16px 0 12px;
  color:#6B7280;
  font-size:13px;
}

.tn-consult__socials{
  display:flex;
  justify-content:center;
  gap:14px;
}

.tn-consult__soc{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  border:1px solid rgba(148,163,184,0.7);
  background:rgba(248,250,252,0.95);
  color:#0F172A;
  transition:background .15s ease, transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.tn-consult__soc img{
  width:18px;
  height:18px;
}

.tn-consult__soc:hover{
  background:#FFFFFF;
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(15,23,42,0.12);
  border-color:#CBD5F5;
}

/* Акцент по контуру */
.tn-wa{border-color:rgba(37,211,102,0.55);}
.tn-tg{border-color:rgba(34,158,217,0.55);}

@media (max-width:640px){
  .tn-envelope{
    border-radius:22px;
  }
  .tn-envelope__inner{
    margin:10px;
    padding:22px 18px 22px;
  }
  .tn-consult__socials{
    flex-direction:column;
  }
}

/* === Кнопка "Наверх" === */

.btn-top {
  position: fixed;
  right: 50%;
  transform: translateX(50%);
  bottom: 35px; /* подняли кнопку наверх */
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.15); /* лёгкая прозрачность */
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(4px);
  transition: opacity .25s ease, transform .25s ease;
  z-index: 1000;
}

.btn-top:hover {
  background: rgba(0,0,0,0.25);
}

.btn-top--show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(50%) translateY(-4px);
}

@media (max-width: 600px) {
  .btn-top {
    bottom: 14px;
    width: 34px;
    height: 34px;
  }
}