:root {
  --primary: #0f172a;
  --secondary: #1e293b;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --text: #334155;
  --muted: #64748b;
  --light: #f8fafc;
  --border: #e2e8f0;
  --white: #ffffff;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

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

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

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

.container {
  width: min(100% - 32px, var(--max));
  margin: auto;
}

.topbar {
  background: var(--primary);
  color: #cbd5e1;
  font-size: 14px;
  padding: 8px 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent);
}

.menu {
  display: flex;
  gap: 26px;
  align-items: center;
}

.menu a {
  font-weight: 600;
  color: var(--secondary);
}

.menu a:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  background: var(--accent);
  color: #111827;
  font-weight: 700;
  border-radius: 4px;
  border: 0;
  cursor: pointer;
  transition: 0.25s;
}

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.7);
}

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

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 50px 0;
}

.section-title {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-title.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 1.5px;
}

h1, h2, h3 {
  color: var(--primary);
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(38px, 5vw, 64px);
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(30px, 4vw, 42px);
  margin-bottom: 16px;
}

h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.lead {
  font-size: 18px;
  color: #475569;
}

.hero {
  position: relative;
  min-height: 680px;
  color: #fff;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,23,42,0.9), rgba(15,23,42,0.6), rgba(15,23,42,0.25));
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 150px;
  max-width: 780px;
}

.hero h1 {
  color: #fff;
}

.hero p {
  color: #e2e8f0;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 45px;
}

.hero-point {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 18px;
  backdrop-filter: blur(4px);
}

.grid {
  display: grid;
  gap: 28px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: 0.25s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 38px rgba(15,23,42,0.08);
}

.card-body {
  padding: 24px;
}

.product-card img {
  height: 230px;
  width: 100%;
  object-fit: cover;
}

.badge {
  display: inline-block;
  padding: 5px 10px;
  background: #fff7ed;
  color: #c2410c;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
}

.dark {
  background: var(--primary);
  color: #cbd5e1;
}

.dark h2,
.dark h3 {
  color: #fff;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  padding: 10px 0 10px 28px;
  position: relative;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th, td {
  padding: 15px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f1f5f9;
  color: var(--primary);
}

.breadcrumb {
  font-size: 14px;
  color: var(--muted);
  padding: 22px 0;
}

.page-hero {
  background: linear-gradient(90deg, rgba(15,23,42,0.92), rgba(15,23,42,0.72)), url("../images/factory.jpg") center/cover no-repeat;
  padding: 95px 0;
  color: #fff;
}

.page-hero h1 {
  color: #fff;
}

.cta {
  background: linear-gradient(90deg, var(--primary), #1e293b);
  color: #fff;
  padding: 60px;
  border-radius: 12px;
}

.cta h2 {
  color: #fff;
}

.form {
  display: grid;
  gap: 16px;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}

.form textarea {
  min-height: 140px;
}

.footer {
  background: #020617;
  color: #94a3b8;
  padding: 60px 0 25px;
}

.footer h3 {
  color: #fff;
}

.footer a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 35px;
  padding-top: 20px;
  font-size: 14px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.model-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.model-list a,
.model-list span {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
  font-size: 14px;
}

.model-list a:hover {
  background: var(--primary);
  color: #fff;
}

@media (max-width: 900px) {
  .menu {
    display: none;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .hero-points {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 760px;
  }

  .cta {
    padding: 32px;
  }
}