@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: dark;
  --silver: #e5e7e9;
  --muted: #bdc1c5;
  --wa: #25d366;
  --ig: #e7a5c9;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: #080a0c; }
body {
  margin: 0;
  color: #f5f6f7;
  font-family: Montserrat, Arial, sans-serif;
  min-height: 100vh;
  background: #080a0c;
}

.landing {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(28px, 5vh, 58px) clamp(28px, 7.3vw, 112px);
}

.landing::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background: url("assets/hero-bg.png") center / cover no-repeat;
  transform: scale(1.01);
}

.landing::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 4, 5, .98) 0%, rgba(3, 4, 5, .9) 34%, rgba(3, 4, 5, .43) 64%, rgba(3, 4, 5, .16) 100%),
    linear-gradient(0deg, rgba(2, 3, 4, .75), transparent 44%);
}

.content { width: min(100%, 790px); }
.brand { display: block; width: min(100%, 570px); height: auto; margin: 0 0 16px; }
h1 { margin: 0 0 12px; font-size: clamp(23px, 2.1vw, 30px); line-height: 1.25; font-weight: 700; letter-spacing: -.025em; }
.title-mobile { display: none; }
.intro { max-width: 620px; margin: 0; color: #e2e3e5; font-size: 15px; line-height: 1.7; }

.features {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 26px 0 21px;
  padding: 0;
  list-style: none;
}
.features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .035em;
  white-space: nowrap;
  border-right: 1px solid rgba(255,255,255,.4);
}
.features li:first-child { padding-left: 0; }
.features li:last-child { padding-right: 0; border-right: 0; }
.features svg { flex: 0 0 24px; width: 24px; height: 24px; stroke: #fff; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.brand-intro { max-width: 590px; margin: 0 0 18px; color: #e1e2e4; font-size: 14px; line-height: 1.55; }
.brands {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100%, 680px);
  padding: 8px 0 20px;
  border-bottom: 1px solid rgba(255,255,255,.34);
}
.brands img { display: block; width: auto; max-width: 23%; max-height: 49px; object-fit: contain; }
.brands .brand-3m { max-width: 80px; max-height: 45px; }
.brands .brand-diamond { max-width: 165px; }
.brands .brand-garware { max-width: 158px; }
.brands .brand-techwrap { max-width: 165px; max-height: 39px; }

.closing { margin-top: 16px; color: #b8bdc1; font-size: 14px; line-height: 1.5; }
.closing strong { display: block; margin-top: 5px; color: #f5f6f7; font-size: 12px; font-weight: 700; letter-spacing: .15em; }
.contacts { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 17px;
  color: #f5f6f7;
  background: rgba(9, 11, 13, .68);
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 4px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.contact:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.75); transform: translateY(-1px); }
.contact svg { width: 19px; height: 19px; }
.contact--whatsapp svg { color: var(--wa); }
.contact--instagram svg { color: var(--ig); }
.contact:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

@media (min-width: 1500px) {
  .content { width: 850px; }
  .brand { width: 610px; }
}

@media (max-width: 760px) {
  .landing { min-height: 100svh; align-items: flex-start; padding: 27px 22px 32px; }
  .landing::before { background-position: 62% center; }
  .landing::after { background: linear-gradient(180deg, rgba(3,4,5,.86) 0%, rgba(3,4,5,.82) 48%, rgba(3,4,5,.95) 100%), linear-gradient(90deg, rgba(0,0,0,.36), transparent); }
  .content { width: 100%; max-width: 540px; margin: 0 auto; }
  .brand { width: min(100%, 420px); margin: 0 auto 16px; }
  h1 { margin-bottom: 9px; text-align: center; font-size: 23px; }
  .title-desktop { display: none; }
  .title-mobile { display: block; }
  .intro { font-size: 13px; line-height: 1.62; text-align: center; }
  .features { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 10px; margin: 22px 0 20px; }
  .features li, .features li:first-child, .features li:last-child { justify-content: center; padding: 0; border: 0; font-size: clamp(9px, 2.35vw, 11px); }
  .features svg { width: 25px; height: 25px; flex-basis: 25px; }
  .brand-intro { margin-bottom: 14px; font-size: 12px; text-align: center; }
  .brands { display: grid; grid-template-columns: 1fr 1fr; justify-items: center; gap: 18px 24px; width: 100%; padding: 4px 7px 18px; }
  .brands img { max-width: 100%; max-height: 39px; }
  .brands .brand-3m { max-width: 60px; max-height: 36px; }
  .brands .brand-diamond, .brands .brand-garware, .brands .brand-techwrap { max-width: 145px; max-height: 36px; }
  .closing { margin-top: 14px; text-align: center; font-size: 12px; }
  .closing strong { font-size: 10px; letter-spacing: .12em; }
  .contacts { justify-content: center; gap: 10px; margin-top: 18px; }
  .contact { flex: 1 1 190px; min-height: 46px; padding: 0 12px; font-size: 12px; }
}

@media (max-width: 370px) {
  .landing { padding-right: 17px; padding-left: 17px; }
  .features li { gap: 7px; font-size: 9px; }
  .features svg { width: 23px; height: 23px; flex-basis: 23px; }
  .brands { column-gap: 14px; }
  .contact { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}