﻿/* SIATMET — multipage manufacturer site (aligned with Sellingo storefront) */

:root {
  --bg: #272d36;
  --nav: #3e4756;
  --surface: #ffffff;
  --surface-2: #f5f7fa;
  --text: #3a3b3c;
  --text-muted: #5c6570;
  --on-dark: #ffffff;
  --on-dark-muted: rgba(255, 255, 255, 0.72);
  --accent: #2b7cc0;
  --accent-dark: #256ba7;
  --accent-soft: #e2f2ff;
  --accent-ink: #134385;
  --line: #d7d7d7;
  --font: "PT Sans", "Segoe UI", sans-serif;
  --max: 1170px;
  --narrow: 760px;
  --header-h: 96px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s var(--ease), background 0.2s var(--ease); }
a:hover { color: var(--accent-dark); }
h1, h2 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
  color: var(--nav);
}
h1 { font-size: clamp(1.7rem, 3.8vw, 2.4rem); text-transform: none; }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.75rem); text-align: left; text-transform: none; }
h3 { font-size: 1.05rem; font-weight: 700; margin: 0 0 0.3rem; color: var(--nav); }
p { margin: 0 0 1rem; color: var(--text-muted); }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { color: var(--text); font-weight: 700; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  padding: 0.75rem 1rem; background: var(--accent); color: #fff; font-weight: 700;
}
.skip-link:focus { top: 1rem; }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.container.narrow { width: min(100% - 2rem, var(--narrow)); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Top utility bar */
.top-bar {
  background: var(--nav);
  color: var(--on-dark);
  font-size: 0.9rem;
}
.top-bar-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0;
}
.top-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.top-links a { color: #fff; }
.top-links a:hover { color: var(--accent-soft); }
.top-center {
  display: inline-flex; align-items: stretch; border-radius: 18px; overflow: hidden;
  border: 1px solid #e2f2ff;
}
.top-tel {
  background: var(--accent-soft); color: var(--accent-ink) !important;
  font-weight: 700; padding: 0.45rem 0.95rem;
}
.top-write {
  background: rgba(255, 255, 255, 0.12); color: #fff !important;
  padding: 0.45rem 0.95rem; text-decoration: underline;
}
.top-write:hover { background: rgba(255, 255, 255, 0.22); color: #fff !important; }
.top-right { display: flex; justify-content: flex-end; }
.top-shop {
  background: var(--accent); color: #fff !important;
  border-radius: 8px; padding: 0.5rem 0.95rem; font-weight: 700;
}
.top-shop:hover { background: var(--accent-dark); color: #fff !important; }

/* Logo row */
.site-header {
  background: #fff;
  border-bottom: 0;
  position: relative;
  z-index: 60;
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: var(--header-h);
  gap: 1rem;
}
.top-search {
  position: relative; max-width: 280px; width: 100%;
}
.top-search input {
  width: 100%; height: 36px; border: 1px solid var(--line);
  padding: 0 2.4rem 0 0.75rem; font: inherit; background: #fff;
}
.top-search button {
  position: absolute; right: 0; top: 0; bottom: 0; width: 2.4rem;
  border: 0; background: transparent; cursor: pointer;
}
.top-search button::before {
  content: ""; display: block; width: 12px; height: 12px; margin: 0 auto;
  border: 2px solid var(--nav); border-radius: 50%;
  box-shadow: 5px 5px 0 -1px var(--nav);
  transform: rotate(45deg) translate(-1px, -1px);
}
.brand { display: inline-flex; justify-content: center; }
.brand-logo { width: min(220px, 52vw); height: auto; }
.nav-toggle {
  display: none; justify-self: end; width: 2.5rem; height: 2.5rem;
  border: 1px solid var(--line); background: transparent; cursor: pointer; padding: 0.5rem;
}
.nav-toggle span { display: block; height: 2px; margin: 0.28rem 0; background: var(--nav); }

/* Main category nav + mega menu */
.main-nav {
  background: var(--nav);
  position: relative;
  z-index: 55;
}
.main-nav-list {
  display: flex; flex-wrap: nowrap; justify-content: flex-start;
  width: 100%;
}
.main-nav > .container {
  position: relative;
}
.main-nav-list > li {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  align-items: stretch;
}
.main-nav-list > li.has-mega {
  position: static;
}
.main-nav-list > li > .main-link {
  display: flex; align-items: center; justify-content: center;
  width: 100%;
  color: #fff; font-weight: 700; text-transform: uppercase;
  font-size: 0.86rem; padding: 0.75rem 0.55rem; line-height: 1.25;
  text-align: center; white-space: nowrap;
}
.main-nav-list > li:hover > .main-link,
.main-nav-list > li.is-open > .main-link {
  background: #e1e1e1; color: #000;
}
.mega-toggle {
  display: none;
}
.mega-panel {
  position: absolute; left: 0; right: 0; top: 100%;
  width: auto; min-width: 0; transform: none;
  background: #fff; border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
  padding: 1.1rem 0 1.3rem; z-index: 70;
}
.mega-panel .mega-inner.container {
  width: 100%;
  max-width: none;
  margin: 0;
  padding-inline: 0.55rem;
}
.mega-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem 1.5rem;
}
.mega-link {
  display: block; color: var(--text); font-weight: 700; font-size: 0.95rem;
  padding: 0.35rem 0; text-transform: uppercase;
}
.mega-link:hover { color: var(--accent); }
.mega-sub {
  margin: 0.15rem 0 0.5rem 0.85rem;
  display: grid; gap: 0.2rem;
}
.mega-sub-link {
  color: var(--text-muted); font-size: 0.9rem; text-transform: uppercase;
  position: relative; padding-left: 0.85rem;
}
.mega-sub-link::before {
  content: ""; position: absolute; left: 0; top: 0.55rem;
  width: 5px; height: 5px; border-radius: 50%; background: #000;
}
.mega-sub-link:hover { color: var(--accent); }

.btn-outline {
  border: 1px solid var(--accent); color: var(--accent); background: transparent; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.15rem; font-weight: 700;
}
.btn-outline:hover { background: var(--accent-soft); color: var(--accent-ink); }
.page-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }
.breadcrumbs { background: var(--surface-2); border-bottom: 1px solid #e8ecf0; font-size: 0.9rem; }
.breadcrumbs .container { padding: 0.7rem 0; color: var(--text-muted); }
.breadcrumbs a { color: var(--accent); }
.content-list { list-style: disc; padding-left: 1.2rem; margin: 0 0 1.2rem; color: var(--text-muted); }
.content-list li { margin: 0.25rem 0; }
.subcat-list { display: grid; gap: 0.65rem; margin: 1.2rem 0; }
.subcat-list li {
  display: grid; gap: 0.15rem; padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.subcat-list a { font-weight: 700; color: var(--nav); text-transform: uppercase; }
.subcat-list a:hover { color: var(--accent); }
.subcat-list span { color: var(--text-muted); font-size: 0.92rem; }
.page-section h1 { margin-bottom: 0.75rem; }
.page-contact { margin-top: 1.5rem; }
.product-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin: 1.2rem 0 1.8rem;
}
.gallery-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
}
.gallery-item a {
  display: block;
  aspect-ratio: 4 / 3;
  background: #e8eef4;
  overflow: hidden;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s var(--ease);
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item figcaption {
  padding: 0.55rem 0.7rem 0.7rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--nav);
  background: #fff;
  border-top: 1px solid var(--line);
  line-height: 1.35;
}
.page-copy { max-width: 760px; }
.page-copy p { font-size: 1.02rem; }
@media (max-width: 900px) {
  .product-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .product-gallery { grid-template-columns: 1fr; }
}


.banner { position: relative; background: #1a1f26; }
.banner-slider { position: relative; overflow: hidden; }
.banner-track {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 5;
  min-height: 280px;
  background: #1a1f26;
}
.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  pointer-events: none;
  transition: opacity 0.9s ease-in-out;
}
.banner-slide.is-active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}
.banner-slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
.banner-slide a { display: block; width: 100%; height: 100%; }
.banner-nav {
  position: absolute; top: 50%; z-index: 5; transform: translateY(-50%);
  width: 42px; height: 42px; border: 0; border-radius: 50%;
  background: rgba(62, 71, 86, 0.65); color: #fff; cursor: pointer;
}
.banner-nav::before {
  content: ""; display: block; width: 10px; height: 10px;
  border-top: 2px solid #fff; border-right: 2px solid #fff; margin: 0 auto;
}
.banner-prev { left: 12px; }
.banner-prev::before { transform: rotate(-135deg); margin-left: 14px; }
.banner-next { right: 12px; }
.banner-next::before { transform: rotate(45deg); margin-right: 14px; }
.banner-nav:hover { background: rgba(43, 124, 192, 0.9); }
.banner-dots {
  position: absolute; left: 0; right: 0; bottom: 14px; z-index: 5;
  display: flex; justify-content: center; gap: 8px;
}
.banner-dots button {
  width: 10px; height: 10px; border-radius: 50%; border: 0;
  background: rgba(255, 255, 255, 0.45); cursor: pointer; padding: 0;
}
.banner-dots button.is-active,
.banner-dots button[aria-selected="true"] { background: #2b7cc0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.15rem; font-weight: 700; font-size: 0.95rem;
  border: 1px solid transparent; border-radius: 8px; cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-block { width: 100%; }

.section { padding: 4.5rem 0; }
.section-alt { background: var(--surface-2); border-block: 1px solid #e8ecf0; }
.section-head { max-width: 42rem; margin-bottom: 2.2rem; }
.eyebrow {
  margin: 0 0 0.5rem; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
}
.section-lead { font-size: 1.05rem; }

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.offer-tile {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.offer-tile:hover { box-shadow: 0 10px 28px rgba(62, 71, 86, 0.12); transform: translateY(-3px); }
.offer-tile a { color: inherit; display: block; }
.offer-tile img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #e8eef4;
}
.offer-tile-body { padding: 1rem 1.05rem 1.15rem; }
.offer-tile-body p { margin: 0; font-size: 0.92rem; }
.offer-more {
  margin-top: 2rem; display: grid; gap: 0.55rem;
  color: var(--text-muted); font-size: 0.98rem;
}
.offer-more li { padding-left: 0.9rem; border-left: 3px solid var(--accent); }
.offer-shop { margin-top: 1.5rem; font-weight: 700; }

.pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
}
.section-pillars {
  padding: 0;
  background: var(--nav);
  border: 0;
}
.section-pillars .container { width: min(100%, var(--max)); }
.pillars li {
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2rem 1.4rem;
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}
.pillars li:last-child { border-right: 0; }
.pillar-icon { width: 48px; height: 48px; margin-bottom: 0.45rem; }
.pillars strong {
  display: block; margin: 0; color: #fff;
  font-size: 1.15rem;
}
.pillars span { color: rgba(255, 255, 255, 0.75); font-size: 0.95rem; }

.map-wrap { border: 1px solid var(--line); overflow: hidden; background: #dde3e8; min-height: 320px; }
.map-wrap iframe { width: 100%; height: 360px; border: 0; }
.map-link { margin-top: 0.85rem; }

.section-contact {
  background:
    radial-gradient(ellipse 45% 40% at 0% 0%, rgba(43, 124, 192, 0.1), transparent 55%),
    var(--surface);
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; align-items: start; }
.contact-details { display: grid; gap: 1.1rem; margin-top: 1.3rem; }
.contact-details strong {
  display: block; font-size: 0.75rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.2rem;
}
.contact-details a, .contact-details span { color: var(--text-muted); }
.contact-details a:hover { color: var(--accent-ink); }
.hint { font-size: 0.88rem; color: #7a8490; }

.contact-form {
  background: var(--surface); border: 1px solid var(--line); padding: 1.5rem;
}
.field { margin-bottom: 0.9rem; }
.field label { display: block; margin-bottom: 0.3rem; font-size: 0.9rem; font-weight: 700; color: var(--text); }
.field .opt { font-weight: 400; color: var(--text-muted); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.7rem 0.8rem; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--text); font: inherit; border-radius: 4px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(43, 124, 192, 0.35); border-color: var(--accent);
}
.field-check label {
  display: flex; gap: 0.55rem; align-items: flex-start;
  font-weight: 400; color: var(--text-muted); font-size: 0.9rem;
}
.field-check input { width: auto; margin-top: 0.2rem; }
.cf-turnstile { margin: 0.85rem 0; min-height: 65px; }
.form-status { min-height: 1.35em; font-size: 0.92rem; margin: 0.35rem 0 0.7rem; }
.form-status.is-ok { color: #1f6b45; }
.form-status.is-err { color: #8b2e2e; }

.site-footer { color: var(--on-dark-muted); }
.footer-top {
  background: var(--nav);
  padding: 2.6rem 0 2.4rem;
}
.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr 0.9fr;
  gap: 2rem;
  align-items: start;
}
.footer-title {
  margin: 0 0 1rem;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}
.footer-address {
  margin: 0;
  color: #fff;
  font-size: 1rem;
  font-weight: 400;
}
.footer-hint {
  margin: 0.55rem 0 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  line-height: 1.35;
}
.footer-hint-top { margin-top: 0; }
.footer-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.footer-ico {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  margin-top: 0.15rem;
}
.footer-help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.footer-big {
  margin: 0.2rem 0 0;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.25;
}
.footer-big a { color: #fff; }
.footer-big a:hover { color: var(--accent-soft); }
.footer-social { text-align: right; }
.footer-social .footer-title { text-align: right; }
.footer-social-links {
  display: flex; justify-content: flex-end; gap: 0.55rem; flex-wrap: wrap;
}
.footer-social-links a {
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
}
.footer-social-links img { width: 32px; height: 32px; }

.footer-bottom {
  background: rgba(39, 45, 54, 0.98);
  padding: 2.2rem 0 1.4rem;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.footer-col-title {
  margin: 0 0 0.85rem;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  text-transform: none;
}
.footer-col-title::after {
  content: "";
  display: block;
  width: 150px;
  max-width: 100%;
  height: 5px;
  margin-top: 0.55rem;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.15);
}
.footer-cols ul { display: grid; gap: 0.4rem; }
.footer-cols a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
}
.footer-cols a:hover { color: #fff; }
.footer-copy {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.85rem;
  text-align: center;
}

.reveal {
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .offer-grid, .pillars { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top-grid { grid-template-columns: 1fr; }
  .footer-social, .footer-social .footer-title { text-align: left; }
  .footer-social-links { justify-content: flex-start; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .mega-list { grid-template-columns: 1fr 1fr; }
  .top-bar-inner { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .top-right { justify-content: center; }
  .header-inner { grid-template-columns: auto 1fr auto; }
  .top-search { display: none; }
  .brand { justify-content: center; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.is-open { display: block; }
  .main-nav-list { flex-direction: column; }
  .main-nav-list > li { flex-direction: column; border-bottom: 1px solid var(--line); }
  .main-nav-list > li > .main-link {
    justify-content: flex-start; color: var(--nav); padding: 0.85rem 1rem; white-space: normal;
  }
  .main-nav-list > li:hover > .main-link,
  .main-nav-list > li.is-open > .main-link { background: var(--accent-soft); color: var(--accent-ink); }
  .mega-toggle {
    display: block; position: absolute; right: 0.5rem; top: 0.55rem;
    width: 2rem; height: 2rem; border: 0; background: transparent; cursor: pointer;
  }
  .mega-toggle::before {
    content: ""; display: block; width: 8px; height: 8px; margin: 0 auto;
    border-right: 2px solid var(--nav); border-bottom: 2px solid var(--nav);
    transform: rotate(45deg);
  }
  .main-nav-list > li.has-mega { position: relative; }
  .mega-panel {
    position: static; transform: none; width: 100%; min-width: 0;
    box-shadow: none; border: 0; border-top: 1px solid var(--line); padding: 0.4rem 1rem 0.9rem;
  }
  .mega-list { grid-template-columns: 1fr; }
  .offer-grid, .pillars, .footer-cols, .footer-help-grid { grid-template-columns: 1fr; }
  .banner-track { aspect-ratio: 16 / 7; min-height: 220px; }
  .banner-nav { width: 36px; height: 36px; }
}
