:root {
  --red: #d60000;
  --red-dark: #aa0000;
  --ink: #171717;
  --graphite: #2a2a2d;
  --muted: #666a70;
  --line: #e7e7e7;
  --paper: #ffffff;
  --soft: #f6f6f6;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.16);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(150px, 230px) 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(16px);
}

.brand img {
  width: 230px;
  height: auto;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 38px);
  color: var(--graphite);
  font-weight: 700;
}

.nav-links a,
.header-phone {
  transition: color 0.2s ease;
}

.nav-links a:hover,
.header-phone:hover {
  color: var(--red);
}

.header-phone {
  font-weight: 800;
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  padding: 118px clamp(16px, 5vw, 64px) 56px;
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.48) 48%, rgba(0, 0, 0, 0.18)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.7), transparent 45%);
}

.hero-content {
  position: relative;
  width: min(780px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 0.84rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #fff;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 6.1rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.16rem;
  line-height: 1.18;
}

.hero-text {
  max-width: 660px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 2vw, 1.45rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: var(--red);
  box-shadow: 0 14px 34px rgba(214, 0, 0, 0.28);
}

.btn-primary:hover {
  background: var(--red-dark);
}

.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(10px);
}

.btn-dark {
  color: #fff;
  background: var(--graphite);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-points span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  font-weight: 800;
}

.section {
  padding: clamp(64px, 9vw, 120px) clamp(16px, 5vw, 64px);
}

.section-head {
  width: min(760px, 100%);
  margin: 0 auto 34px;
  text-align: center;
}

.section-head p:not(.eyebrow) {
  margin: 18px auto 0;
  max-width: 690px;
  color: var(--muted);
  font-size: 1.05rem;
}

.assortment-grid,
.reason-grid,
.audience-grid,
.gallery-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.assortment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-card {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--graphite);
  box-shadow: var(--shadow);
}

.product-card img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.82), transparent 58%);
}

.product-card h3 {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 1;
  color: #fff;
  font-size: 1.32rem;
}

.product-card:hover img {
  transform: scale(1.06);
}

.reasons,
.audience {
  background: var(--soft);
}

.materials-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: clamp(56px, 8vw, 92px) clamp(16px, 5vw, 64px);
  color: #fff;
  background: linear-gradient(135deg, var(--ink), var(--graphite));
}

.materials-copy {
  max-width: 520px;
}

.materials-copy p:not(.eyebrow) {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.materials-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.material-tile {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #111;
}

.material-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.76), transparent 58%);
}

.material-tile img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.material-tile span {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1;
  font-weight: 900;
  font-size: 1.08rem;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.reason-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.reason-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--red);
  font-weight: 900;
}

.reason-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-flow: dense;
  gap: 12px;
}

.gallery-item {
  min-height: 220px;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius);
  background: var(--graphite);
  cursor: zoom-in;
}

.gallery-item.wide {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
  filter: contrast(1.06);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.audience-card {
  min-height: 112px;
  display: grid;
  place-items: center;
  padding: 18px;
  border: 1px solid #dedede;
  border-radius: var(--radius);
  background: #fff;
  text-align: center;
  font-weight: 900;
}

.question-section {
  background: var(--ink);
  color: #fff;
}

.question-layout {
  width: min(var(--max), 100%);
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  margin: 0 auto;
}

.question-copy p:not(.eyebrow) {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.06rem;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 13px 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--red);
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
}

.form-botcheck {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.contacts-panel {
  width: min(var(--max), 100%);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  margin: 0 auto;
  padding: clamp(24px, 5vw, 46px);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  border-top: 6px solid var(--red);
}

address {
  margin-top: 18px;
  color: var(--muted);
  font-style: normal;
  font-size: 1.08rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(16px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.75);
  background: var(--ink);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 28px;
  background: rgba(0, 0, 0, 0.88);
}

.lightbox.is-open {
  display: grid;
}

.lightbox img {
  max-width: min(1120px, 100%);
  max-height: 86vh;
  border-radius: var(--radius);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.45);
}

.lightbox-close {
  position: fixed;
  top: 18px;
  right: 18px;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: #fff;
  background: rgba(0, 0, 0, 0.28);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .assortment-grid,
  .reason-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .materials-band {
    grid-template-columns: 1fr;
  }

  .materials-strip {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .question-layout,
  .contacts-panel {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    margin-top: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: absolute;
    grid-template-columns: 1fr;
    gap: 10px;
    background: rgba(255, 255, 255, 0.96);
  }

  .brand img {
    width: 190px;
  }

  .header-phone {
    font-size: 0.95rem;
  }

  .hero {
    min-height: 760px;
    padding-top: 152px;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.34)),
      linear-gradient(90deg, rgba(0, 0, 0, 0.66), transparent);
  }

  .hero-actions,
  .contact-actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .assortment-grid,
  .reason-grid,
  .gallery-grid,
  .audience-grid,
  .materials-strip {
    grid-template-columns: 1fr;
  }

  .gallery-item.wide {
    grid-column: auto;
    grid-row: auto;
  }

  .product-card,
  .product-card img,
  .gallery-item,
  .gallery-item img {
    min-height: 235px;
  }

  .section-head {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
