:root {
  --primary: #f36c21;
  --primary-dark: #d9540c;
  --accent: #ffb347;
  --bg-light: #f9fafb;
  --text-main: #222;
  --text-muted: #666;
  --max-width: 1200px;
  --radius: 14px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  background: #fff;
}
a {
  color: var(--primary-dark);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,0.98);
  border-bottom: 1px solid #eee;
  backdrop-filter: blur(10px);
}
.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.7rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffe6c6, var(--primary));
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1.4rem;
  font-size: 0.95rem;
}
nav a {
  position: relative;
  padding-bottom: 3px;
  font-weight: 500;
}
nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
}
nav a:hover::after, nav a.active::after {
  width: 100%;
}
.lang {
  display: flex;
  gap: 0.3rem;
  font-size: 0.8rem;
}
.lang a {
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
}
.lang a.active {
  border-color: var(--primary);
  background: rgba(243,108,33,0.06);
  font-weight: 600;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.7rem;
  border-radius: 999px;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 18px rgba(243,108,33,0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 26px rgba(243,108,33,0.35);
}
.btn-outline {
  background: #fff;
  color: var(--primary-dark);
  border: 1px solid rgba(0,0,0,0.08);
}
section {
  scroll-margin-top: 80px;
}
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.85rem;
  border-radius: 999px;
  background: rgba(243,108,33,0.08);
  color: var(--primary-dark);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.8rem;
}
.hero h1 {
  font-size: clamp(2.1rem, 3vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 0.9rem;
}
.hero p.lead {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 32rem;
  margin-bottom: 1.5rem;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.3rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}
.hero-meta span::before {
  content: "●";
  color: var(--primary);
  font-size: 0.7rem;
  margin-right: 0.3rem;
}
.hero-visual {
  position: relative;
  min-height: 260px;
}
.product-card {
  border-radius: var(--radius);
  padding: 0;
  background: radial-gradient(circle at 10% 0%, #fff7ef, #ffffff);
  box-shadow: 0 26px 60px rgba(15,23,42,0.18);
  position: relative;
  overflow: hidden;
}
.product-pack {
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-pack img {
  max-width: 100%;
  height: auto;
  display: block;
}
.micro-orbit {
  position: absolute;
  inset: 10% -10%;
  pointer-events: none;
  background: radial-gradient(circle at 15% 90%, rgba(131,88,255,0.35), transparent 60%), radial-gradient(circle at 90% 15%, rgba(255,204,0,0.33), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.9;
}
.micro-sphere {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.98rem;
  box-shadow: 0 10px 24px rgba(15,23,42,0.35);
}
.sphere-fe {
  background: radial-gradient(circle at 30% 20%, #ffc4d1, #f5427b);
  left: 3%;
  bottom: 6%;
}
.sphere-zn {
  background: radial-gradient(circle at 30% 20%, #e3c8ff, #9b59ff);
  right: 10%;
  bottom: 14%;
}
.sphere-se {
  background: radial-gradient(circle at 30% 20%, #ffe6b6, #f2a400);
  right: 4%;
  top: 16%;
}
.sphere-cu {
  background: radial-gradient(circle at 30% 20%, #ffd4b2, #ff7c2a);
  left: -4%;
  top: 20%;
}
.sphere-mn {
  background: radial-gradient(circle at 20% 10%, #fff6c4, #f5b200);
  left: 48%;
  top: -8%;
}
.sphere-f {
  background: radial-gradient(circle at 20% 10%, #c0f0ff, #1b86ff);
  right: 40%;
  bottom: -10%;
}
.sphere-cr {
  background: radial-gradient(circle at 20% 10%, #d3fff2, #00b894);
  left: 16%;
  top: 4%;
}
.sphere-i {
  background: radial-gradient(circle at 20% 10%, #fff3d1, #f39c12);
  right: 22%;
  top: -6%;
}
.sphere-mo {
  background: radial-gradient(circle at 20% 10%, #ffe0ff, #e84393);
  left: 60%;
  bottom: -12%;
}
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.section-alt {
  background: var(--bg-light);
}
.section h2 {
  font-size: 1.7rem;
  margin-bottom: 1.2rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2.2rem;
  align-items: flex-start;
}
.text-muted {
  color: var(--text-muted);
}
.list-check {
  list-style: none;
  margin-top: 0.6rem;
}
.list-check li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.list-check li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.7rem;
  color: var(--primary-dark);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 0.7rem;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
}
th, td {
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid #eee;
  text-align: left;
  vertical-align: top;
}
th {
  background: #fff7ef;
  font-weight: 600;
}
tr:last-child td {
  border-bottom: none;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(15,23,42,0.04);
  font-size: 0.8rem;
  margin-right: 0.4rem;
  color: var(--text-muted);
}
.faq-item {
  border-radius: 12px;
  border: 1px solid #eee;
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
  background: #fff;
}
.faq-item h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}
.faq-item p {
  font-size: 0.93rem;
  color: var(--text-muted);
}
footer {
  border-top: 1px solid #eee;
  padding: 1.5rem 1.5rem 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #fff;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-visual {
    order: -1;
  }
  nav ul {
    display: none;
  } /* мобильное меню можно добавить позже */
}

@media (max-width: 640px) {
  .grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }
  .product-pack img {
    max-height: 220px;
  }
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.cert-grid figure {
  margin: 0;
}

.cert-grid img {
  width: 100%;
  display: block;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.18);
}

.cert-grid figcaption {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}