:root {
  --color-ink: #111827;
  --color-muted: #5b6472;
  --color-line: #e8ebef;
  --color-red: #d71920;
  --color-red-dark: #a80f15;
  --color-paper: #ffffff;
  --color-soft: #f6f7f9;
  --shadow-card: 0 22px 60px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(16px);
}

.logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: clamp(140px, 16vw, 180px);
}

.logo img {
  width: 100%;
  height: auto;
  max-height: 42px;
  -o-object-fit: contain;
     object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-red);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.88fr);
  gap: clamp(28px, 6vw, 74px);
  align-items: center;
  min-height: calc(100vh - 82px);
  padding: clamp(48px, 8vw, 112px) clamp(20px, 5vw, 72px);
  background: radial-gradient(circle at top left, rgba(215, 25, 32, 0.16), transparent 32%), linear-gradient(135deg, #ffffff 0%, #f5f6f8 100%);
}

.hero__content {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 86px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.98;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

h3 {
  margin-bottom: 0;
  font-size: 22px;
  line-height: 1.15;
}

.hero p:not(.eyebrow),
.summary__copy,
.about__panel p {
  color: var(--color-muted);
  font-size: clamp(17px, 1.7vw, 20px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  background: var(--color-red);
  border: 2px solid var(--color-red);
  border-radius: 999px;
  color: #ffffff;
  font-weight: 900;
  text-transform: uppercase;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  background: var(--color-red-dark);
  border-color: var(--color-red-dark);
  transform: translateY(-2px);
}

.button--ghost {
  background: transparent;
  color: var(--color-red);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  color: #ffffff;
}

.hero__visual {
  position: relative;
  display: grid;
  gap: 18px;
}

.hero__visual::before {
  position: absolute;
  inset: 34px -18px -18px 34px;
  z-index: 0;
  content: "";
  background: var(--color-red);
  border-radius: 34px;
}

.hero__visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: clamp(210px, 25vw, 330px);
  -o-object-fit: cover;
     object-fit: cover;
  border: 10px solid #ffffff;
  border-radius: 30px;
  box-shadow: var(--shadow-card);
}

.hero__visual img:last-child {
  width: 82%;
  margin-left: auto;
}

.section {
  padding: clamp(64px, 8vw, 118px) clamp(20px, 5vw, 72px);
}

.section__intro {
  max-width: 760px;
}

.section__intro--center {
  margin: 0 auto 42px;
  text-align: center;
}

.summary {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  background: var(--color-ink);
  color: #ffffff;
}

.summary h2,
.summary .summary__copy {
  color: #ffffff;
}

.summary__copy {
  display: grid;
  gap: 18px;
}

.summary__copy p {
  margin-bottom: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: 26px;
  box-shadow: 0 16px 44px rgba(17, 24, 39, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-6px);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4/3;
  -o-object-fit: cover;
     object-fit: cover;
}

.product-card div {
  padding: 20px;
}

.product-card__code {
  margin-bottom: 8px;
  color: var(--color-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about {
  background: var(--color-soft);
}

.about__panel {
  max-width: 980px;
  padding: clamp(30px, 5vw, 58px);
  background: #ffffff;
  border-left: 8px solid var(--color-red);
  border-radius: 30px;
  box-shadow: var(--shadow-card);
}

.about__panel p:last-child {
  margin-bottom: 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.55fr);
  gap: 32px;
  padding: clamp(48px, 6vw, 76px) clamp(20px, 5vw, 72px);
  background: #05070a;
  color: #ffffff;
}

.contact h2 {
  max-width: 780px;
  margin-bottom: 0;
}

address {
  color: rgba(255, 255, 255, 0.78);
  font-style: normal;
}

address a {
  color: #ffffff;
}

@media (max-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 860px) {
  .site-header,
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }
  .site-nav {
    gap: 10px;
  }
  .hero,
  .summary,
  .contact {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
  }
}
@media (max-width: 620px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .hero__visual img:last-child {
    width: 100%;
  }
}