/* ══ BASE ══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue:   #1AABDC;
  --blue2:  #1490BE;
  --dark:   #1F1F1F;
  --gray:   #555;
  --lgray:  #f5f5f5;
  --border: #e5e5e5;
  --white:  #ffffff;
  --font:   'Montserrat', sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: #fff; color: var(--dark); line-height: 1.65; overflow-x: hidden; padding-top: 72px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ══ REVEAL ══ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ══ MULTIBUTTON ══ */
.multibutton {
    z-index: 999;
    position: fixed;
    right: 30px;
    bottom: 50px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    width: 70px;
    height: 70px;
    transition: 0.2s ease;
}

.multibutton:hover {
    width: auto;
    height: auto;
}

.multibutton:hover .multibutton__list {
    position: relative;
    top: auto;
    bottom: 10px;
    visibility: visible;
}

.multibutton:hover .multibutton__item {
    visibility: visible;
    opacity: 1;
    transition: 0.3s ease;
    transform: scaleX(1) scaleY(1) translateY(0);
}

.multibutton__list {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    position: absolute;
    right: 13px;
    top: 80px;
    visibility: hidden;
    transition: 0.3s ease;
    list-style: none;
    padding: 0;
    margin: 0;
}

.multibutton__title {
    font-size: 12px;
    color: #fff;
    text-decoration: none;
    background: rgba(0,0,0,0.8);
    padding: 10px;
    border-radius: 30px;
}

.multibutton__item {
    display: flex;
    align-items: center;
    margin: 4px 0;
    transform: scaleX(0.4) scaleY(0.4) translateY(150px);
    opacity: 0;
    visibility: hidden;
}

.multibutton__button {
    width: 70px;
    height: 70px;
    background: #4399f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: animation_button 3s linear infinite;
    transition: all 200ms ease-out;
}

@keyframes animation_button {
    0% {
        box-shadow: 0 0 0 0 #4399f5, 0 0 0 0 #4399f5;
    }
    40% {
        box-shadow: 0 0 0 13.62667px #59a4f5, 0 0 0 6.81333px #59a4f5;
    }
    80% {
        box-shadow: 0 0 0 27.25333px rgba(255, 186, 38, 0), 0 0 0 13.62667px rgba(255,206, 9, 0);
    }
    100% {
        box-shadow: 0 0 0 34.06667px rgba(255, 186, 38, 0), 0 0 0 27.25333px rgba(255, 206, 9, 0);
    }
}

.multibutton__button svg {
    width: 30px;
    height: 30px;
    fill: #fff;
}

.multibutton__item:nth-child(1) .multibutton__icon{
    background: #03a9f4;
}

.multibutton__item:nth-child(2) .multibutton__icon{
    background: #0DC143;
}

.multibutton__item:nth-child(3) .multibutton__icon{
    background: #7b519d;
}

.multibutton__item:nth-child(4) .multibutton__icon{
    background: #30d64f;
}

.multibutton__icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
}

.multibutton__icon svg{
    width: 26px;
    height: 26px;
    fill: #fff;
}

/* ══ HEADER ══ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  background: #fff; border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.hdr {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 72px; display: flex; align-items: center;
  justify-content: space-between; gap: 16px;
}
.logo img { height: 60px; width: auto; }
.nav { display: flex; align-items: center; }
.nav > a {
  font-size: 13px; font-weight: 600; color: var(--dark);
  padding: 0 16px; height: 72px; line-height: 72px;
  text-transform: uppercase; letter-spacing: 0.05em;
  white-space: nowrap; transition: color .2s; position: relative;
}
.nav > a::after {
  content: ''; position: absolute; bottom: 0; left: 16px; right: 16px;
  height: 2px; background: var(--blue); transform: scaleX(0); transition: transform .25s;
}
.nav > a:hover { color: var(--blue); }
.nav > a:hover::after { transform: scaleX(1); }
.nav-mob-contacts { display: none; }
.hdr-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.hdr-phone { font-size: 15px; font-weight: 800; color: var(--dark); white-space: nowrap; transition: color .2s; }
.hdr-phone:hover { color: var(--blue); }
.hdr-wa-btn {
  background: var(--blue); color: #fff; font-family: var(--font);
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 9px 18px; border-radius: 2px;
  white-space: nowrap; transition: background .2s;
}
.hdr-wa-btn:hover { background: var(--blue2); }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.burger span { width: 24px; height: 2px; background: var(--dark); border-radius: 1px; transition: .3s; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══ HERO BLOCK ══ */
.hero-block { padding: 60px 0 70px; background: #fff; }
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: start;
}

/* BREADCRUMB */
.breadcrumb {
  font-size: 13px; color: var(--gray); margin-bottom: 16px;
  display: flex; align-items: center; gap: 6px;
}
.breadcrumb a { color: var(--blue); }
.breadcrumb span { color: #bbb; }

.hero-left h1 {
  font-size: clamp(22px, 2.8vw, 34px); font-weight: 800;
  color: var(--dark); line-height: 1.2; margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.hero-desc {
  font-size: 15px; color: var(--gray); line-height: 1.7;
  margin-bottom: 28px;
}

/* CATALOG LIST */
.catalog-list { display: flex; flex-direction: column; gap: 0; margin-bottom: 32px; }
.catalog-item {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.catalog-item:first-child { border-top: 1px solid var(--border); }
.catalog-icon {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 8px;
  background: rgba(26,171,220,0.1);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.catalog-icon i { font-size: 17px; color: var(--blue); }
.catalog-item:hover .catalog-icon { background: var(--blue); }
.catalog-item:hover .catalog-icon i { color: #fff; }
.catalog-text { display: flex; flex-direction: column; gap: 2px; }
.catalog-text strong { font-size: 14px; font-weight: 700; color: var(--dark); }
.catalog-text span { font-size: 12px; color: var(--gray); }

/* ORDER BUTTON */
.btn-order {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--blue); color: #fff; font-family: var(--font);
  font-size: 14px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; padding: 15px 36px; border-radius: 4px;
  position: relative; overflow: hidden;
  transition: background .2s, transform .15s;
}
.btn-order:hover { background: var(--blue2); transform: translateY(-2px); }

@keyframes shine { 0% { left: -100%; } 40% { left: 120%; } 100% { left: 120%; } }
.btn-order--center { display: flex; justify-content: center; margin-top: 16px; }

/* ══ SLIDER ══ */
.slider { position: relative; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 40px rgba(0,0,0,0.12); }
.slider-track { display: flex; transition: transform .5s cubic-bezier(.4,0,.2,1); }
.slide { min-width: 100%; }
.slide img { width: 100%; height: 440px; object-fit: cover; display: block; }
.slider-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.9); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--dark);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  transition: background .2s, color .2s;
  z-index: 5;
}
.slider-btn:hover { background: var(--blue); color: #fff; }
.slider-prev { left: 14px; }
.slider-next { right: 14px; }
.slider-dots {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 7px; z-index: 5;
}
.slider-dot {
  width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.55);
  cursor: pointer; transition: background .3s, transform .3s;
}
.slider-dot.active { background: #fff; transform: scale(1.3); }

/* ══ SEO BLOCK ══ */
.seo-block { padding: 72px 0; background: var(--lgray); }
.seo-block h2 {
  font-size: clamp(18px, 2.5vw, 28px); font-weight: 800;
  color: var(--dark); margin-bottom: 36px; letter-spacing: -0.01em;
}
.seo-inner { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.seo-text h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin: 24px 0 12px; }
.seo-text p { font-size: 14px; color: var(--gray); line-height: 1.85; margin-bottom: 12px; }
.seo-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.seo-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--gray); line-height: 1.5; }
.seo-list li i { color: var(--blue); font-size: 15px; flex-shrink: 0; margin-top: 2px; }
.seo-aside { display: flex; flex-direction: column; gap: 16px; }
.seo-card {
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 20px 18px; transition: box-shadow .25s, transform .25s;
}
.seo-card:hover { box-shadow: 0 8px 28px rgba(26,171,220,0.12); transform: translateY(-3px); }
.seo-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(26,171,220,0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.seo-card-icon i { font-size: 20px; color: var(--blue); }
.seo-card strong { font-size: 14px; font-weight: 700; color: var(--dark); display: block; margin-bottom: 6px; }
.seo-card p { font-size: 13px; color: var(--gray); line-height: 1.5; }

/* ══ CONTACTS ══ */
.contacts-block { padding: 72px 0; background: #fff; }
.sec-title { font-size: clamp(22px, 3vw, 36px); font-weight: 800; color: var(--dark); margin-bottom: 40px; }
.contacts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contacts-info { display: flex; flex-direction: column; gap: 22px; }
.ci-item { display: flex; align-items: flex-start; gap: 14px; }
.ci-icon {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); font-size: 16px; flex-shrink: 0;
}
.ci-item strong { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--dark); display: block; margin-bottom: 4px; }
.ci-item p, .ci-item a { font-size: 14px; color: var(--gray); line-height: 1.6; }
.ci-item a:hover { color: var(--blue); }
.contacts-map { border-radius: 10px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }

/* ══ FOOTER ══ */
.footer { background: #1a1a1a; padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.6; }
.footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.4); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; list-style: none; }
.footer-col ul a { font-size: 13px; color: rgba(255,255,255,0.6); transition: color .2s; }
.footer-col ul a:hover { color: #fff; }
.footer-col p { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.6; margin-bottom: 10px; }
.footer-phone { font-size: 16px; font-weight: 700; color: #fff; display: block; margin-bottom: 16px; }
.footer-social { display: flex; gap: 10px; }
.fsoc { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 15px; color: #fff; transition: opacity .2s; }
.fsoc:hover { opacity: .8; }
.wa { background: #25D366; }
.ig { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fd5949 45%, #d6249f 60%, #285AEB 90%); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.3); }

/* ══ RESPONSIVE ══ */
@media (max-width: 1024px) {
  .seo-inner { grid-template-columns: 1fr; }
  .seo-aside { flex-direction: row; flex-wrap: wrap; }
  .seo-card { flex: 1 1 calc(50% - 8px); }
}
@media (max-width: 1100px) {
  body { padding-top: 72px; }
  .burger { display: flex; }
  .hdr-right { display: none; }
  .nav {
    display: none; flex-direction: column; align-items: flex-start;
    position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
    background: #fff; border-top: 1px solid var(--border);
    overflow-y: auto; padding-bottom: 24px; z-index: 200;
  }
  .nav.open { display: flex; }
  .nav > a { height: auto; line-height: 1; padding: 16px 24px; width: 100%; border-bottom: 1px solid var(--border); font-size: 14px; }
  .nav > a::after { display: none; }
  .nav-mob-contacts {
    display: flex; flex-direction: column; gap: 12px;
    padding: 20px 24px; width: 100%; border-top: 1px solid #eee; margin-top: 8px;
  }
  .mob-phone { font-size: 20px; font-weight: 800; color: var(--dark); }
  .mob-wa {
    background: var(--blue); color: #fff; font-family: var(--font);
    font-size: 14px; font-weight: 700; padding: 12px 20px;
    border-radius: 4px; display: inline-flex; align-items: center; gap: 8px;
    text-transform: uppercase; letter-spacing: 0.05em;
  }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .slide img { height: 280px; }
  .contacts-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .hero-block { padding: 40px 0 50px; }
  .seo-aside { flex-direction: column; }
  .seo-card { flex: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .multibutton { bottom: 20px; right: 16px; }
}

/* ══ PRODUCTS CATALOG ══ */
.products-section {
  padding: 72px 0;
  background: #fff;
}

.products-section .sec-title {
  margin-bottom: 40px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-img-wrap {
  width: 100%;
  height: 220px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  background: #f0f0f0;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.04);
}

.product-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.3;
}

.product-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
  flex: 1;
}

.product-body ul li {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.5;
}

.btn-product {
  display: block;
  width: 100%;
  background: var(--blue);
  color: #fff;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  padding: 14px 20px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: background .2s, transform .15s;
  position: relative;
  overflow: hidden;
}



.btn-product:hover {
  background: var(--blue2);
  transform: translateY(-2px);
}

@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; }
  .product-img-wrap { height: 180px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px 10px; }
  .product-img-wrap { height: 150px; border-radius: 8px; }
  .product-body h3 { font-size: 15px; }
  .product-body ul li { font-size: 13px; }
  .btn-product { font-size: 13px; padding: 11px 14px; }
}