:root {
  --bg-color: #fdfcfb;
  --text-color: #1a1a1a;
  --accent-color: #bfa17a;
  --secondary-bg: #f4f1ed;
  --border-color: #e0ddd5;
  --overlay-dark: rgba(0, 0, 0, 0.65);
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-weight: 300;
  letter-spacing: -0.5px;
}

header {
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #ffffff;
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 15px;
  cursor: pointer;
}

.logo-img {
  width: 120px;
  scale: 1.5;
  max-height: 60px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.logo-text {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-color);
}

nav button {
  background: none;
  border: none;
  font-size: 0.95rem;
  color: var(--text-color);
  margin-left: 2.5rem;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

nav button:hover {
  color: var(--accent-color);
}

.view {
  display: none;
  min-height: calc(100vh - 160px);
  animation: fadeIn 0.6s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.hero {
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-image: url("sources/img/bg3.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 10%;
  max-width: 900px;
}

.hero-slogan-1 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  margin-bottom: 2rem;
  line-height: 1.1;
}

.hero p {
  font-size: 1.3rem;
  font-weight: 300;
  margin-bottom: 3rem;
  opacity: 0.9;
}

.btn {
  padding: 1.2rem 3rem;
  background-color: transparent;
  color: #fff;
  border: 2px solid #fff;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background-color: #fff;
  color: var(--text-color);
}

.premium-block {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-image: url("sources/img/bg2.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 6rem 5%;
}

.premium-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark);
  z-index: 1;
}

.premium-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 900px;
}

.premium-content h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  margin-bottom: 1.5rem;
  color: var(--accent-color);
}

.premium-content p {
  font-size: 1.2rem;
  font-weight: 300;
  margin-bottom: 4rem;
  opacity: 0.95;
  line-height: 1.8;
}

.benefits {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.benefit {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.benefit-val {
  font-size: 3rem;
  font-weight: 300;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.benefit-desc {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.8;
}

#catalog {
  padding: 6rem 5%;
  background-color: var(--secondary-bg);
}

.catalog-header {
  text-align: center;
  margin-bottom: 5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.catalog-header h2 {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
}

.catalog-slogan-2 {
  font-size: 1.2rem;
  color: #666;
  font-style: italic;
}

.filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 4rem;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.8rem 2rem;
  border: 1px solid var(--border-color);
  background: #fff;
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--text-color);
  color: #fff;
  border-color: var(--text-color);
  transform: translateY(-2px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 3rem;
}

footer {
  text-align: center;
  padding: 3rem;
  background-color: var(--bg-color);
  border-top: 1px solid var(--border-color);
  font-size: 0.95rem;
  color: #777;
}

@media (max-width: 768px) {
  header {
    padding: 1rem 5%;
    flex-direction: column;
    gap: 1rem;
  }

  .brand-group {
    flex-direction: column;
    gap: 5px;
  }

  nav button {
    margin: 0 0.8rem;
    font-size: 0.85rem;
  }

  .hero,
  .premium-block {
    height: auto;
    padding: 6rem 5%;
  }

  .hero-content,
  .premium-content {
    padding: 0;
  }

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

  .benefits {
    gap: 2rem;
  }
}