:root {
  --primary: #0f4c81;
  --secondary: #ff8c00;
  --light: #f5f7fa;
  --dark: #1d2733;
  --text: #444;
  --max-width: 1400px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--light);
}

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

.container {
  width: min(92%, var(--max-width));
  margin: auto;
}

header {
  background: #fff;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 999;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo img {
  max-height: 70px;
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--primary);
}

.mobile-btn {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  cursor: pointer;
}

.hero {
  background:
    linear-gradient(rgba(15, 76, 129, 0.85), rgba(52, 140, 216, 0.85)),
    /* linear-gradient(rgba(15, 76, 129, 0.85), rgba(15, 76, 129, 0.85)), */
    url("../peleti2021.jpg") center/cover;
  color: white;
  text-align: center;
  padding: 110px 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 20px;
}

.hero p {
  max-width: 900px;
  margin: auto;
  font-size: 1.1rem;
}

.hero-buttons {
  margin-top: 35px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.btn-primary {
  background: var(--secondary);
  color: white;
}

.btn-primary:hover {
  background: #e67900;
}

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.2rem;
  color: var(--dark);
}

.section-title_w h2 {
  font-size: 2.2rem;
  color: white;
  text-align: center;
}

.section-title p {
  margin-top: 10px;
  color: #666;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.product-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  transition: 0.3s;
}

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

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.product-content {
  padding: 25px;
}

.product-content h3 {
  color: var(--primary);
  margin-bottom: 15px;
}

.product-content a {
  display: inline-block;
  margin-top: 15px;
  color: var(--secondary);
  font-weight: 600;
  text-decoration: none;
}

.about {
  background: white;
}

.about-content {
  max-width: 1000px;
  margin: auto;
  text-align: center;
}

.about-content p {
  margin-bottom: 20px;
}

.features {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}

.feature {
  color: black;
  background: oklch(97.638% 0.0134 234.033);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.contact {
  background: linear-gradient(135deg, #003399, #0055cc);
  color: white;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  text-align: center;
}

.contact a {
  color: white;
}

footer {
  background: #12202d;
  color: #ccc;
  text-align: center;
  padding: 25px;
}

@media (max-width: 768px) {
  .mobile-btn {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: white;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .hero {
    padding: 80px 20px;
  }
}