/* ---- AIRTEC Website UI kit — surface CSS ---- */
@import url("colors_and_type.css");

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.shell {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Header ===== */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.hdr-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 14px 0;
}
.hdr img { height: 40px; width: auto; cursor: pointer; }
.hdr nav { display: flex; gap: 28px; }
.hdr nav a {
  font-family: var(--font-condensed);
  font-weight: 700; font-size: 13px;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-800);
  cursor: pointer;
  position: relative;
  padding: 6px 0;
  border: none; background: none;
}
.hdr nav a.active { color: var(--airtec-blue); }
.hdr nav a.active::after {
  content:""; position: absolute; left:0; right:0; bottom:-2px;
  height: 2px; background: var(--airtec-red);
}
.hdr nav a:hover { color: var(--airtec-red); }
.hdr-actions { display: flex; gap: 12px; align-items: center; }
.hdr .hamburger {
  display: none;
  width: 40px; height: 40px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  align-items: center; justify-content: center;
  cursor: pointer;
}
.hdr .hamburger svg { width: 20px; height: 20px; stroke: var(--ink-800); stroke-width: 2; fill: none; stroke-linecap: round; }

/* ===== Buttons ===== */
.btn {
  font-family: var(--font-sans); font-weight: 600;
  font-size: 14px; letter-spacing: 0.01em;
  padding: 12px 20px; border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
  text-decoration: none;
}
.btn:focus-visible { outline: none; box-shadow: var(--ring-focus); }
.btn-primary   { background: var(--airtec-red); color: #fff; }
.btn-primary:hover { background: var(--airtec-red-600); }
.btn-secondary { background: var(--airtec-blue); color: #fff; }
.btn-secondary:hover { background: var(--airtec-blue-700); }
.btn-outline   { background: #fff; color: var(--airtec-blue); border-color: var(--ink-300); }
.btn-outline:hover { border-color: var(--airtec-blue); }
.btn-ghost     { background: transparent; color: var(--airtec-blue); }
.btn-ghost:hover { background: var(--ink-100); }
.btn-link      { background:none; padding:0; border-radius:0; color: var(--airtec-blue-500); border-bottom:1px solid transparent; font-weight:600; }
.btn-link:hover{ color: var(--airtec-red); border-bottom-color: currentColor; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn .arrow { font-family: var(--font-condensed); font-weight: 700; }

/* ===== Eyebrow ===== */
.eyebrow {
  font-family: var(--font-condensed);
  font-weight: 700; font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--airtec-red);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before {
  content:""; width: 18px; height: 2px; background: var(--airtec-red); display: inline-block;
}

/* ===== Pills ===== */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-family: var(--font-condensed); font-weight: 700;
  font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
}
.pill::before { content:""; width:6px; height:6px; border-radius: 999px; background: currentColor; }
.pill.ok   { background:#e6f4ed; color:#0e6a45; }
.pill.warn { background:#fbf1de; color:#8a570a; }
.pill.err  { background:#fce6e3; color:#9a1d12; }

/* ===== Hero ===== */
.hero-section {
  background:
    linear-gradient(180deg, var(--ink-50) 0%, #fff 100%);
  color: var(--fg);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero-section::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 220px; height: 220px;
  background: var(--airtec-red);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}
.hero-section::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 180px; height: 180px;
  background: var(--airtec-blue);
  clip-path: polygon(0 0, 0 100%, 100% 100%);
  opacity: .95;
  pointer-events: none;
}
.hero-section .shell { position: relative; z-index: 1; }
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  padding: 80px 0 96px;
  align-items: center;
}
.hero h1 {
  font-family: var(--font-condensed);
  font-weight: 800;
  font-size: clamp(48px, 5.6vw, 76px);
  line-height: .95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--airtec-blue);
  margin: 16px 0 16px;
}
.hero p { font-size: 18px; line-height: 1.55; color: var(--fg-muted); max-width: 32em; margin: 0 0 28px; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .visual {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px;
  position: relative;
  aspect-ratio: 1.05;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(11,14,22,0.10), 0 4px 8px rgba(11,14,22,0.06);
}
.hero .visual::before {
  content:""; position: absolute; top: 0; right: 0;
  width: 96px; height: 96px;
  background: var(--airtec-red);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}
.hero .visual img { max-width: 80%; max-height: 80%; object-fit: contain; position: relative; z-index: 1; }

/* ===== Hero mosaic — 2×2 product range tiles ===== */
.hero-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  aspect-ratio: 1;
  width: 100%;
  position: relative;
}
.hero-mosaic::before {
  /* Echo the red triangle accent the single-printer hero had */
  content: ""; position: absolute; top: -1px; right: -1px;
  width: 64px; height: 64px;
  background: var(--airtec-red);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  z-index: 3;
  pointer-events: none;
}
.hm-tile {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(11,14,22,0.06), 0 2px 4px rgba(11,14,22,0.04);
  overflow: hidden;
  transition: transform 160ms cubic-bezier(0.2, 0.6, 0.2, 1),
              box-shadow 160ms cubic-bezier(0.2, 0.6, 0.2, 1),
              border-color 160ms cubic-bezier(0.2, 0.6, 0.2, 1);
}
.hm-tile:hover {
  border-color: var(--airtec-blue-300);
  box-shadow: 0 12px 28px rgba(11,14,22,0.10), 0 4px 8px rgba(11,14,22,0.06);
}
.hm-tile img {
  max-width: 88%;
  max-height: 78%;
  object-fit: contain;
}
.hm-label {
  position: absolute;
  left: 12px;
  bottom: 10px;
  font-family: var(--font-condensed);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--airtec-blue);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(4px);
  padding: 4px 8px;
  border-left: 2px solid var(--airtec-red);
}

/* ===== Stat block ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 48px 0 64px;
  border-bottom: 1px solid var(--border);
}
.stat {
  border-top: 2px solid var(--airtec-red);
  padding: 18px 4px 0;
}
.stat .n {
  font-family: var(--font-condensed); font-weight: 800;
  font-size: 80px; line-height: .9; color: var(--airtec-blue);
  letter-spacing: -0.02em;
}
.stat .l {
  font-family: var(--font-condensed); font-weight: 700;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--fg-muted); margin-top: 6px;
}

/* ===== Section ===== */
.section { padding: 64px 0; }
.section.alt { background: var(--ink-50); }
.section-head { margin-bottom: 32px; }
.section-head h2 {
  font-family: var(--font-condensed); font-weight: 800;
  font-size: clamp(32px, 3.4vw, 44px);
  text-transform: uppercase; letter-spacing: -0.01em;
  color: var(--airtec-blue); margin: 8px 0 0;
}
.section-head p { font-size: 16px; color: var(--fg-muted); max-width: 38em; margin: 12px 0 0; }

/* ===== Category grid ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.cat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 2px solid var(--airtec-red);
  border-radius: 0 0 6px 6px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  cursor: pointer;
  transition: box-shadow 160ms ease, border-color 120ms ease;
}
.cat-card:hover {
  box-shadow: 0 4px 12px rgba(11,14,22,0.08), 0 2px 4px rgba(11,14,22,0.05);
}
.cat-card .img {
  height: 140px;
  background: var(--ink-50);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  padding: 12px;
}
.cat-card .img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.cat-card h3 {
  font-family: var(--font-condensed); font-weight: 800;
  font-size: 22px; text-transform: uppercase; letter-spacing: -0.01em;
  color: var(--airtec-blue); margin: 0;
}
.cat-card p { font-size: 14px; color: var(--fg-muted); margin: 0; line-height: 1.5; }
.cat-card .arrow {
  margin-top: auto;
  font-family: var(--font-condensed); font-weight: 700;
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--airtec-red);
}

/* ===== Bullets ===== */
.bullets { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.bullets li { font-size: 15px; color: var(--fg); padding-left: 28px; position: relative; line-height: 1.5; }
.bullets.arrow li::before { content:"→"; position: absolute; left: 0; color: var(--airtec-red); font-weight: 700; font-family: var(--font-condensed); }
.bullets.check li::before { content:"✓"; position: absolute; left: 0; color: #1f8a5b; font-weight: 700; }

/* ===== Client wall ===== */
.client-wall {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px; overflow: hidden;
}
.client-wall .t { background: #fff; aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center; padding: 16px; }
.client-wall .t img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* ===== Banner ===== */
.banner-blue {
  background: var(--airtec-blue);
  color: #fff;
  padding: 56px 48px;
  border-radius: 6px;
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 32px;
  position: relative;
  overflow: hidden;
}
.banner-blue::before {
  content:""; position: absolute; top:0; right:0;
  width: 220px; height: 220px;
  background: var(--airtec-red);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}
.banner-blue h2 {
  font-family: var(--font-condensed); font-weight: 800;
  font-size: 40px; line-height: 1.0;
  text-transform: uppercase; letter-spacing: -0.01em;
  margin: 0; position: relative;
}
.banner-blue p { font-size: 16px; color: rgba(255,255,255,.78); margin: 12px 0 0; max-width: 30em; position: relative; }
.banner-blue .cta-row { position: relative; z-index: 1; display: flex; gap: 12px; }

/* ===== Catalog ===== */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  padding: 48px 0;
}
.filter-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  align-self: start;
  position: sticky;
  top: 80px;
}
.filter-panel h4 {
  font-family: var(--font-condensed); font-weight: 700;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--fg-muted); margin: 0 0 10px;
}
.filter-panel .group + .group { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 16px; }
.filter-panel .opt { display: flex; align-items: center; gap: 8px; font-size: 14px; padding: 6px 0; cursor: pointer; }
.filter-panel .opt input { accent-color: var(--airtec-blue); }
.filter-panel .opt .ct { margin-left: auto; color: var(--fg-muted); font-family: var(--font-mono); font-size: 12px; }

.catalog-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 20px; }
.catalog-head h1 {
  font-family: var(--font-condensed); font-weight: 800;
  font-size: 44px; text-transform: uppercase; letter-spacing: -0.01em;
  color: var(--airtec-blue); margin: 8px 0 0;
}
.catalog-head .count { color: var(--fg-muted); font-size: 14px; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 2px solid var(--airtec-red);
  border-radius: 0 0 6px 6px;
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: box-shadow 160ms ease;
}
.product-card:hover { box-shadow: 0 4px 12px rgba(11,14,22,0.08), 0 2px 4px rgba(11,14,22,0.05); }
.product-card .img { aspect-ratio: 4/3; background: var(--ink-50); display: flex; align-items: center; justify-content: center; padding: 16px; }
.product-card .img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.product-card .body { padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; }
.product-card .brand { font-family: var(--font-condensed); font-weight: 700; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--airtec-red); }
.product-card h4 { font-family: var(--font-sans); font-weight: 700; font-size: 16px; color: var(--airtec-blue); line-height: 1.2; margin: 0; }
.product-card .spec { font-family: var(--font-mono); font-size: 11px; color: var(--fg-muted); }
.product-card .footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding: 12px 16px 14px; }
.product-card .cta { font-family: var(--font-sans); font-size: 13px; font-weight: 600; color: var(--airtec-blue-500); }

/* ===== Product detail ===== */
.crumb { font-family: var(--font-mono); font-size: 12px; color: var(--fg-muted); padding: 24px 0 0; }
.crumb a { color: var(--airtec-blue-500); cursor: pointer; }
.crumb a:hover { color: var(--airtec-red); }

.pdp { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; padding: 32px 0 64px; }
.pdp .gallery {
  background: var(--ink-50); border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  padding: 32px; min-height: 420px;
}
.pdp .gallery img { max-width: 80%; max-height: 360px; object-fit: contain; }
.pdp .brand { font-family: var(--font-condensed); font-weight: 700; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--airtec-red); }
.pdp h1 { font-family: var(--font-condensed); font-weight: 800; font-size: 48px; line-height: 1; text-transform: uppercase; letter-spacing: -0.01em; color: var(--airtec-blue); margin: 8px 0 12px; }
.pdp .blurb { font-size: 16px; color: var(--fg-muted); line-height: 1.55; margin-bottom: 24px; }
.pdp .spec-table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; }
.pdp .spec-table tr { border-bottom: 1px solid var(--border); }
.pdp .spec-table td { padding: 10px 0; font-size: 14px; }
.pdp .spec-table td:first-child { color: var(--fg-muted); font-family: var(--font-condensed); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
.pdp .spec-table td:last-child  { text-align: right; font-family: var(--font-mono); color: var(--ink-800); }

/* ===== Contact ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 48px 0 80px; }
.contact-card {
  background: var(--airtec-blue); color: #fff;
  border-radius: 6px;
  padding: 36px 36px 32px;
  display: flex; flex-direction: column; gap: 22px;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content:""; position: absolute; top:0; right:0;
  width: 140px; height: 140px;
  background: var(--airtec-red);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}
.contact-card h2 {
  font-family: var(--font-condensed); font-weight: 800;
  font-size: 36px; text-transform: uppercase; letter-spacing: -0.01em;
  margin: 0; position: relative;
}
.contact-row { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; position: relative; }
.contact-row .ic { color: var(--airtec-red); font-size: 18px; }
.contact-row .l { font-family: var(--font-condensed); font-weight: 700; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.7); }
.contact-row .v { font-size: 16px; }

.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.form-card h3 { font-family: var(--font-condensed); font-weight: 700; font-size: 20px; text-transform: uppercase; letter-spacing: .04em; color: var(--airtec-blue); margin: 0; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-family: var(--font-condensed); font-weight: 700; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-muted); }
.form-row input, .form-row select, .form-row textarea {
  font-family: var(--font-sans); font-size: 14px;
  padding: 10px 12px; border: 1px solid var(--ink-300); border-radius: 4px;
  background: #fff; color: var(--fg);
  resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--airtec-blue-500); box-shadow: 0 0 0 3px var(--airtec-blue-200);
}

/* ===== Footer ===== */
.ftr {
  background: var(--ink-1000);
  color: rgba(255,255,255,.78);
  padding: 56px 0 24px;
  margin-top: auto;
}
.ftr .row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.ftr h5 {
  font-family: var(--font-condensed); font-weight: 700;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--airtec-red); margin: 0 0 14px;
}
.ftr a { display: block; color: rgba(255,255,255,.78); font-size: 14px; padding: 4px 0; cursor: pointer; text-decoration: none; }
.ftr a:hover { color: #fff; }
.ftr .brand p { font-size: 14px; line-height: 1.6; margin: 16px 0 0; }
.ftr .brand img { height: 56px; background: #fff; padding: 8px 12px; border-radius: 4px; }
.ftr .bottom {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between;
  gap: 16px;
  font-size: 12px; color: rgba(255,255,255,.5);
  font-family: var(--font-mono);
}

/* ===== Services strip ===== */
.svc-strip {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 8px 32px;
  padding: 16px 0;
}
.svc-strip li { padding-left: 28px; position: relative; font-size: 15px; line-height: 1.6; }
.svc-strip li::before { content: "✓"; position: absolute; left: 0; color: #1f8a5b; font-weight: 700; font-size: 16px; }

/* ===== Small util ===== */
.gap-y-12 > * + * { margin-top: 12px; }

/* =========================================================
   RESPONSIVE — mobile + tablet
   Tablet: ≤960   Mobile: ≤640
   ========================================================= */
@media (max-width: 960px) {
  .shell { padding: 0 20px; }

  .hdr-row { grid-template-columns: auto 1fr auto; gap: 16px; }
  .hdr nav { display: none; }                /* hide desktop nav */
  .hdr .hamburger { display: inline-flex; }
  .hdr img { height: 32px; }

  /* Drawer */
  .hdr.open nav {
    display: flex !important;
    position: fixed;
    inset: 64px 0 0 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    border-top: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(11,14,22,0.10);
    z-index: 40;
  }
  .hdr.open nav a {
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--ink-150);
    letter-spacing: .1em;
  }
  .hdr.open nav a.active::after { display: none; }
  .hdr.open nav a.active { color: var(--airtec-red); }

  .hero { grid-template-columns: 1fr; gap: 28px; padding: 56px 0 64px; }
  .hero h1 { font-size: clamp(40px, 8vw, 56px); }
  .hero .visual { aspect-ratio: 4/3; padding: 24px; }
  .hero-mosaic { aspect-ratio: 4/3; gap: 10px; }
  .hm-tile { padding: 12px; }
  .hm-label { font-size: 10px; left: 8px; bottom: 8px; padding: 3px 6px; }
  .hero-section::before, .hero-section::after { width: 140px; height: 140px; }

  .stats { grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 32px 0 48px; }
  .stat .n { font-size: 56px; }
  .stat .l { font-size: 11px; }

  .section { padding: 48px 0; }
  .section-head h2 { font-size: 30px; }

  .cat-grid       { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cat-card       { padding: 18px; }
  .cat-card h3    { font-size: 18px; }
  .cat-card .img  { height: 110px; }

  .client-wall { grid-template-columns: repeat(3, 1fr); }

  .banner-blue {
    grid-template-columns: 1fr;
    padding: 36px 28px;
  }
  .banner-blue h2 { font-size: 30px; }
  .banner-blue::before { width: 140px; height: 140px; }

  .catalog-layout { grid-template-columns: 1fr; gap: 20px; padding: 32px 0; }
  .filter-panel   { position: static; }
  .catalog-head   { flex-wrap: wrap; gap: 12px; }
  .catalog-head h1{ font-size: 32px; }
  .product-grid   { grid-template-columns: repeat(2, 1fr); }

  .pdp { grid-template-columns: 1fr; gap: 28px; padding: 24px 0 56px; }
  .pdp .gallery { min-height: 280px; padding: 24px; }
  .pdp h1 { font-size: 36px; }

  .contact-layout { grid-template-columns: 1fr; gap: 20px; padding: 32px 0 64px; }
  .contact-card   { padding: 28px; }
  .contact-card h2{ font-size: 28px; }
  .form-card      { padding: 24px; }

  .ftr .row { grid-template-columns: 1fr 1fr; gap: 28px; }
  .ftr .brand { grid-column: 1 / -1; }
  .ftr .bottom { flex-direction: column; gap: 8px; text-align: left; align-items: flex-start; }
}

@media (max-width: 640px) {
  .shell { padding: 0 16px; }

  .hdr img { height: 28px; }
  .hdr-actions .btn { padding: 8px 12px; font-size: 12px; }

  .hero { padding: 40px 0 48px; }
  .hero h1 { font-size: 40px; }
  .hero p  { font-size: 16px; }
  .hero .visual { aspect-ratio: 1.2; }
  .hero-mosaic { aspect-ratio: 1.1; gap: 8px; }

  .stats { grid-template-columns: 1fr; }
  .stat  { display: flex; align-items: baseline; gap: 16px; padding: 16px 4px 0; }
  .stat .n { font-size: 44px; line-height: 1; }
  .stat .l { margin-top: 0; }

  .section { padding: 36px 0; }
  .section-head h2 { font-size: 26px; }

  .cat-grid, .product-grid { grid-template-columns: 1fr; }
  .client-wall { grid-template-columns: repeat(2, 1fr); }

  .banner-blue { padding: 28px 22px; }
  .banner-blue h2 { font-size: 24px; }
  .banner-blue::before { width: 100px; height: 100px; }

  .catalog-head h1, .pdp h1 { font-size: 28px; }
  .pdp .gallery { min-height: 220px; }

  .form-card .form-row + .form-row,
  .form-card > div[style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; }
}

/* ===== Thank-you panel (after form submit) ===== */
.thanks-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 3px solid var(--airtec-red);
  border-radius: 6px;
  padding: 64px 48px 72px;
  margin: 32px 0 80px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-1);
}
.thanks-mark {
  color: var(--ok);
  margin-bottom: 8px;
}
.thanks-body {
  font-family: var(--font-condensed);
  font-weight: 600;
  font-size: 26px;
  line-height: 1.25;
  color: var(--airtec-blue);
  margin: 0;
  max-width: 30em;
  text-wrap: balance;
}
.thanks-body2 {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 17px;
  color: var(--fg-muted);
  margin: -4px 0 0;
  font-style: italic;
}
.thanks-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}
@media (max-width: 720px) {
  .thanks-panel { padding: 40px 24px 48px; margin: 20px 0 56px; }
  .thanks-body  { font-size: 22px; }
  .thanks-body2 { font-size: 15px; }
}