:root {
  --primary: #0f5bd9;
  --primary-deep: #0a46a7;
  --primary-soft: #eaf3ff;
  --secondary: #4d8dff;
  --primary-ink: #0a2240;
  --text: #18314d;
  --muted: #5d6f85;
  --line: rgba(14, 94, 214, 0.12);
  --surface: #ffffff;
  --surface-alt: #f4f8ff;
  --shadow: 0 20px 45px rgba(14, 94, 214, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #fdfefd;
  color: var(--text);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 104px 0;
}

.alt-bg {
  background: var(--surface-alt);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 20px;
}

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

.brand-mark {
  height: 64px;
  aspect-ratio: 1 / 1;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
}

.brand-mark img {
  height: 100%;
  width: auto;
  display: block;
  object-fit: contain;
}

.brand-name {
  font-family: "Times New Roman", Times, Georgia, serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.06em;
  color: #3679c2;
  white-space: nowrap;
}

.brand-subtitle {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-weight: 600;
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid var(--line);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

.lang-btn.active {
  background: var(--primary);
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  padding: 14px 22px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 25px rgba(14, 94, 214, 0.15);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(14, 94, 214, 0.2);
  color: var(--primary);
}

.hero {
  background:
    radial-gradient(circle at top right, rgba(90, 155, 255, 0.26), transparent 26%),
    linear-gradient(135deg, #0b1e3d 0%, #102d5a 32%, #0d3d8a 100%);
  padding: 92px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 52px;
}

.eyebrow,
.section-tag {
  display: inline-block;
  margin: 0 0 16px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #dfeeff;
  background: rgba(255, 255, 255, 0.12);
  padding: 8px 12px;
  border-radius: 999px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.3rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
  color: #f7fbff;
}

.lead {
  font-size: 1.08rem;
  color: rgba(232, 240, 255, 0.88);
  max-width: 620px;
  margin: 20px 0 0;
}

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

.hero-metrics {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding: 0;
  margin: 36px 0 0;
}

.hero-metrics li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 120px;
}

.hero-metrics strong {
  font-size: 2rem;
  color: #ffffff;
  letter-spacing: -0.06em;
}

.hero-metrics span {
  color: rgba(232, 240, 255, 0.8);
  font-size: 0.9rem;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.visual-card {
  position: relative;
  min-height: 420px;
  border-radius: 32px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(6, 16, 31, 0.56), rgba(11, 61, 132, 0.24)),
    url('https://images.unsplash.com/photo-1581092918056-0c4c3acd3789?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
  box-shadow: 0 30px 70px rgba(7, 23, 49, 0.34);
}

.badge {
  position: absolute;
  top: 24px;
  left: 24px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 10px 14px;
  border-radius: 999px;
}

.visual-overlay {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  color: #fff;
}

.visual-overlay p {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  opacity: 0.8;
}

.visual-overlay h2 {
  margin: 0;
  font-size: clamp(1.7rem, 2vw, 2.6rem);
  line-height: 1.15;
}

.mini-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.mini-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px 20px;
  box-shadow: 0 10px 25px rgba(14, 94, 214, 0.06);
}

.mini-card.accent {
  background: linear-gradient(135deg, #0e4db7, #4f8cff);
  color: #fff;
}

.mini-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.82;
};

.mini-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.02rem;
  line-height: 1.5;
}

.two-column {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: start;
}

.two-column h2,
.heading-row h2,
.contact-copy h2 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.05em;
}

.two-column p {
  color: var(--muted);
  font-size: 1.02rem;
}

.feature-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.feature-box {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px 20px;
  box-shadow: 0 8px 20px rgba(14, 94, 214, 0.04);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
}

.feature-box h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
}

.feature-box p {
  margin: 0;
  color: var(--muted);
}

.heading-row {
  margin-bottom: 36px;
}

.heading-row.center {
  text-align: center;
}

.product-grid,
.process-grid,
.news-grid,
.history-grid,
.value-grid,
.achievement-grid,
.operation-grid {
  display: grid;
  gap: 22px;
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.history-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.history-card {
  background: linear-gradient(180deg, #fff, #f6faff);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px 20px;
  box-shadow: 0 12px 25px rgba(14, 94, 214, 0.04);
}

.history-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 91, 217, 0.08);
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 14px;
}

.history-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.history-card p {
  margin: 0;
  color: var(--muted);
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.value-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px 22px;
  box-shadow: 0 12px 25px rgba(14, 94, 214, 0.04);
}

.value-card h3 {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 1.2rem;
}

.value-card p {
  margin: 0;
  color: var(--muted);
}

.achievement-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.achievement-card {
  background: linear-gradient(180deg, #fff, #f5f9ff);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px 20px;
  box-shadow: 0 12px 25px rgba(14, 94, 214, 0.04);
}

.achievement-figure {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.05em;
  margin-bottom: 12px;
}

.achievement-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.achievement-card p {
  margin: 0;
  color: var(--muted);
}

.operation-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.operation-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px 20px;
  box-shadow: 0 12px 25px rgba(14, 94, 214, 0.04);
}

.operation-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.operation-card p {
  margin: 0;
  color: var(--muted);
}

.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px 20px;
  box-shadow: 0 12px 25px rgba(14, 94, 214, 0.04);
}

.product-card h3 {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 1.2rem;
}

.product-card p {
  margin: 0;
  color: var(--muted);
}

.gallery-heading {
  margin: 72px 0 24px;
}

.gallery-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.gallery-item {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

.gallery-item img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0f172a;
  border-top: 1px solid var(--line);
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-card {
  background: linear-gradient(180deg, #fff, #f8fbfa);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px 22px;
}

.process-card span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 18px;
}

.process-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.process-card p {
  margin: 0;
  color: var(--muted);
}

.news-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 12px 25px rgba(14, 94, 214, 0.04);
}

.news-image {
  height: 190px;
  background-size: cover;
  background-position: center;
}

.image-one {
  background-image: url('https://images.unsplash.com/photo-1517048676732-d65bc937f952?auto=format&fit=crop&w=900&q=80');
}

.image-two {
  background-image: url('https://images.unsplash.com/photo-1552664730-d307ca884978?auto=format&fit=crop&w=900&q=80');
}

.image-three {
  background-image: url('https://images.unsplash.com/photo-1520607162513-77705c0f0d4a?auto=format&fit=crop&w=900&q=80');
}

.news-content {
  padding: 20px 20px 24px;
}

.news-date {
  display: inline-block;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--primary);
  text-transform: uppercase;
  font-weight: 700;
}

.news-content h3 {
  margin: 10px 0 12px;
  font-size: 1.2rem;
  line-height: 1.5;
}

.news-content p {
  margin: 0;
  color: var(--muted);
}

.downloads-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.download-list {
  display: grid;
  gap: 18px;
  flex: 1;
}

.download-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px;
}

.file-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
}

.download-item strong {
  display: block;
  margin-bottom: 4px;
}

.download-item small {
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 32px;
  align-items: center;
}

.contact-points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
  color: var(--muted);
}

.contact-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.contact-points li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 800;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px 24px;
  box-shadow: 0 16px 30px rgba(14, 94, 214, 0.06);
}

.contact-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.contact-header p {
  margin: 0;
  font-weight: 700;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #25ce80;
  box-shadow: 0 0 0 6px rgba(37, 206, 128, 0.12);
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  background: #fbfdfc;
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(14, 94, 214, 0.18);
  border-color: rgba(14, 94, 214, 0.3);
}

.site-footer {
  padding: 32px 0 44px;
  background: #0d1d33;
  color: rgba(255, 255, 255, 0.8);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.foot-brand {
  margin: 0 0 10px;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-meta {
  text-align: right;
}

.footer-meta p {
  margin: 3px 0;
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .hero-grid,
  .two-column,
  .contact-grid,
  .downloads-wrap {
    grid-template-columns: 1fr;
    display: grid;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .topbar-inner,
  .actions,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-name {
    font-size: 1.15rem;
  }

  .actions {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 72px;
  }

  .hero-metrics,
  .product-grid,
  .process-grid,
  .mini-cards {
    grid-template-columns: 1fr;
    display: grid;
  }

  .product-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .footer-meta {
    text-align: left;
  }
}