:root {
  --primary: #5f4b8b;
  --secondary: #00c7a5;
  --dark: #0f172a;
  --muted: #748092;
  --bg: #f5f7fb;
  --card: #ffffff;
  --gradient: linear-gradient(135deg, var(--primary), #8a5eff, var(--secondary));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--dark);
  line-height: 1.6;
}

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

img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

header,
main,
footer {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 6vw;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.brand-eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
}

.nav a {
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
}

.nav a:hover {
  color: var(--secondary);
  background: rgba(0, 199, 165, 0.08);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
}

.hero,
.page-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
  padding: 64px 6vw 48px;
}

.hero-text h2,
.page-hero h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 8px 0 12px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 2px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 12px 30px rgba(95, 75, 139, 0.3);
}

.btn.primary:hover {
  transform: translateY(-2px);
}

.btn.ghost {
  background: #fff;
  color: var(--dark);
  border-color: rgba(0, 0, 0, 0.08);
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(95, 75, 139, 0.12);
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}

.section-grid,
.section-contrast,
.timeline,
.team,
.filters,
.catalog,
.contact-grid {
  padding: 48px 6vw;
}

.section-header {
  max-width: 720px;
  margin-bottom: 28px;
}

.feature-grid,
.news-grid,
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.section-contrast {
  background: var(--dark);
  color: #f8fafc;
  border-radius: 28px;
  margin: 28px 6vw;
}

.section-contrast .product-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.product-card {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px;
  background: var(--card);
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}

.news-card .news-date {
  color: var(--muted);
  margin: 0 0 8px;
  font-weight: 700;
}

.page {
  padding-top: 12px;
}

.filters {
  text-align: center;
}

.filter-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn.active {
  border-color: transparent;
  background: var(--gradient);
  color: #fff;
}

.catalog {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.timeline .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: 0 0 0 8px rgba(95, 75, 139, 0.15);
}

.team-grid {
  gap: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.contact-form {
  background: var(--card);
  padding: 18px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #fff;
  font-size: 15px;
}

.form-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.contact-info {
  display: grid;
  gap: 8px;
}

.map-placeholder img {
  border-radius: 12px;
}

.site-footer {
  padding: 28px 6vw 40px;
  background: #0b1021;
  color: #e2e8f0;
  display: grid;
  gap: 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #cbd5f5;
}

.footer-note {
  margin: 0;
  color: #94a3b8;
}

.seo-tail {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
}

@media (max-width: 900px) {
  .nav {
    position: absolute;
    top: 70px;
    right: 6vw;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    padding: 10px;
    flex-direction: column;
    align-items: flex-start;
    display: none;
  }

  .nav.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-header {
    position: sticky;
  }
}