:root {
  --primary: #3d558d;
  --primary-dark: #252e4c;
  --primary-soft: #eef3fd;
  --text: #1f2937;
  --muted: #667085;
  --white: #ffffff;
  --border: #d9e3f4;
  --background: #f7f9fd;
  --shadow: 0 12px 32px rgba(37, 46, 76, 0.08);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

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

.container {
  width: min(92%, var(--container));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.85rem);
  line-height: 1.15;
  color: var(--primary-dark);
  margin-bottom: 14px;
}

.section-subtitle {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.02rem;
  margin-bottom: 40px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(217, 227, 244, 0.85);
}

.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 10px;
}

.brand-name {
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.15;
}

.brand-role {
  font-size: 0.88rem;
  color: var(--muted);
}

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

.nav-links a {
  font-weight: 600;
  transition: color 0.2s ease;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 1.1rem;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border: none;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(37, 46, 76, 0.14);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #5873b8);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-dark);
  border: 1px solid var(--border);
}

.hero {
  padding: 76px 0 52px;
  background: radial-gradient(circle at top right, rgba(88, 115, 184, 0.14), transparent 28%), linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 34px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.hero-text p {
  max-width: 640px;
  font-size: 1.06rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.stat-card,
.info-card,
.contact-card,
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 18px;
  border-radius: var(--radius-md);
}

.stat-card strong {
  display: block;
  color: var(--primary-dark);
  margin-bottom: 4px;
  font-size: 1.1rem;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border-radius: 30px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 20px 48px rgba(37, 46, 76, 0.12);
}

.hero-card::before {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88, 115, 184, 0.22), transparent 70%);
}

.hero-logo {
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 18px;
}

.hero-card h2 {
  color: var(--primary-dark);
  font-size: 1.55rem;
  margin-bottom: 10px;
}

.hero-card p {
  color: var(--muted);
  margin-bottom: 20px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.chip {
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.88rem;
  font-weight: 700;
}

.mini-info {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: #fbfcff;
  border: 1px solid var(--border);
}

.mini-info div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.mini-info span {
  color: var(--muted);
  font-weight: 600;
}

.mini-info strong {
  color: var(--primary-dark);
  text-align: right;
  font-size: 0.95rem;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.info-card,
.highlight-card,
.contact-card {
  border-radius: var(--radius-lg);
  padding: 28px;
}

.info-card h3,
.highlight-card h3,
.contact-card h3 {
  color: var(--primary-dark);
  font-size: 1.32rem;
  margin-bottom: 12px;
}

.info-card p,
.info-card li,
.contact-card p {
  color: var(--text);
}

.info-card ul,
.highlight-card ul {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.info-card li,
.highlight-card li {
  position: relative;
  padding-left: 20px;
}

.info-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 900;
}

.highlight-card {
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  box-shadow: 0 16px 40px rgba(37, 46, 76, 0.18);
}

.highlight-card p,
.highlight-card li,
.highlight-card h3 {
  color: var(--white);
}

.highlight-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  font-weight: 900;
}

.section-products {
  background: var(--background);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(35, 44, 73, 0.12);
}

.product-image {
  width: 100%;
  height: 220px;
  background: #f8fbff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.product-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.product-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: #eef3ff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.product-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 999px;
  background: #f5f7fb;
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
}

.product-card h3 {
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.product-card p {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.8;
  margin: 0;
}

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-image {
    height: 200px;
  }

  .product-content {
    padding: 20px;
  }
}

.cta-box {
  margin-top: 42px;
  padding: 36px;
  border-radius: 30px;
  background: linear-gradient(135deg, var(--primary-dark), #4866a7);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  box-shadow: 0 20px 44px rgba(37, 46, 76, 0.18);
}

.cta-box h3 {
  font-size: clamp(1.55rem, 2.8vw, 2.15rem);
  margin-bottom: 10px;
}

.cta-box p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid #edf2fa;
}

.contact-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 800;
  flex-shrink: 0;
}

.contact-item small {
  display: block;
  color: var(--muted);
  margin-bottom: 4px;
}

.contact-item strong {
  color: var(--primary-dark);
  font-size: 1rem;
}

.contact-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer {
  padding: 28px 0 42px;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.94rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1024px) {
  .hero-grid,
  .products-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .cta-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 4%;
    right: 4%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px;
    border-radius: 18px;
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

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

  .hero,
  .section {
    padding-top: 48px;
  }

  .hero-stats,
  .products-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .mini-info div {
    flex-direction: column;
    gap: 4px;
  }

  .mini-info strong {
    text-align: left;
  }

  .cta-box {
    padding: 28px;
  }
}