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

:root {
  --bg:      #0D0D1A;
  --surface: #131328;
  --accent:  #00E5FF;
  --text:    #E8EAF0;
  --muted:   #7A7D91;
  --border:  #1E1E3A;
  --radius:  8px;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
}

.section-desc {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  max-width: 640px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0D0D1A;
}

.btn-primary:hover {
  background: #33ecff;
  text-decoration: none;
  color: #0D0D1A;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.08);
  text-decoration: none;
}

.btn-sm {
  padding: 10px 22px;
  font-size: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 26, 0.96);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

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

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.header-brand:hover {
  text-decoration: none;
}

.brand-logo img {
  width: 42px;
  height: 42px;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.3px;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.2px;
}

.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.header-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

section {
  padding: 80px 0;
}

.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 20px;
}

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

.hero-desc {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image .placeholder-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat-item strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}

.stat-item span {
  font-size: 13px;
  color: var(--muted);
}

.about-short {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-short-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-short-img .placeholder-img {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
}

.how-it-works {
  padding: 80px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 52px;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
}

.step-number {
  width: 42px;
  height: 42px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.services {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-header {
  text-align: center;
  margin-bottom: 52px;
}

.services-header .section-desc {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
}

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(0, 229, 255, 0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.products {
  padding: 80px 0;
}

.products-header {
  text-align: center;
  margin-bottom: 52px;
}

.products-header .section-desc {
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-card.featured {
  border-color: var(--accent);
}

.product-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
  position: relative;
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #0D0D1A;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}

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

.product-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.product-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.product-features {
  list-style: none;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.product-features li {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.gallery {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.gallery-header {
  text-align: center;
  margin-bottom: 52px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
}

.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 8/3;
}

.events {
  padding: 80px 0;
}

.events-header {
  text-align: center;
  margin-bottom: 52px;
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 22px;
  text-align: center;
}

.event-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 229, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.event-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.event-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.event-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.faq {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  padding: 18px 22px;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-question:hover {
  background: rgba(0, 229, 255, 0.04);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
}

.faq-answer {
  background: var(--bg);
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  border-top: 0px solid var(--border);
}

.faq-item.open .faq-answer {
  padding: 0 22px 18px;
  max-height: 200px;
  border-top: 1px solid var(--border);
}

.why-us {
  padding: 80px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 52px;
}

.why-card {
  border-left: 3px solid var(--accent);
  padding: 24px 24px 24px 28px;
  background: var(--surface);
  border-radius: 0 10px 10px 0;
}

.why-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.contacts {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.contacts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contacts-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-text strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-text a,
.contact-text p {
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
}

.contact-text a:hover {
  color: var(--accent);
  text-decoration: none;
}

.contacts-map {
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  background: #080810;
  border-top: 1px solid var(--border);
  padding: 52px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  text-decoration: none;
}

.footer-brand:hover {
  text-decoration: none;
}

.footer-brand img {
  width: 36px;
  height: 36px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.footer-brand-name span {
  color: var(--accent);
}

.footer-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}

.footer-col ul li a:hover {
  color: var(--text);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 13px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: none;
}

@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .events-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }

  .site-nav,
  .header-cta { display: none; }

  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 16px;
    z-index: 99;
  }

  .nav-toggle { display: flex; }

  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-image { order: -1; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }

  .about-short-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.wide { grid-column: span 1; aspect-ratio: 4/3; }
  .events-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-inner { grid-template-columns: 1fr; gap: 36px; }
  .why-grid { grid-template-columns: 1fr; }
  .contacts-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .events-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
}

.gallery-item img,
.contacts-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}