:root {
  --primary: #0a1628;
  --secondary: #112240;
  --accent: #00d4ff;
  --accent2: #ff6b00;
  --text: #e0e6f0;
  --text-muted: #8892a4;
  --card-bg: #162032;
  --border: #1e3a5a;
  --white: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--primary);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
header {
  background: var(--secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

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

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent), #0088aa);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.5px;
}

.logo-sub {
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

nav {
  display: flex;
  gap: 4px;
}

nav a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s;
}

nav a:hover,
nav a.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #0d2040 50%, #071520 100%);
  padding: 100px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 100px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(32px, 6vw, 60px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0088aa);
  color: var(--primary);
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(0,212,255,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,212,255,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── STATS ── */
.stats {
  background: var(--secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-item .num {
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  display: block;
}

.stat-item .label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── SECTIONS ── */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto;
}

/* ── CATEGORIES (home preview) ── */
.cats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.cat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.cat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.06), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.cat-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.cat-card:hover::after {
  opacity: 1;
}

.cat-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0,212,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.cat-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

/* ── BRANDS STRIP ── */
.brands-strip {
  background: var(--secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 24px;
}

.brands-strip .section-label {
  text-align: center;
  margin-bottom: 32px;
}

.brands-row {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.brand-pill {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  transition: all 0.2s;
}

.brand-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,212,255,0.06);
}

/* ── WHY US ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

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

.feature-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

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

/* ── CTA ── */
.cta-block {
  background: linear-gradient(135deg, #0d2a4a, #071c34);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 60px 40px;
  text-align: center;
  margin: 0 24px 80px;
  max-width: 1152px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 0%, rgba(0,212,255,0.07) 0%, transparent 70%);
}

.cta-block h2 {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
}

.cta-block p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 16px;
  position: relative;
}

.cta-block .btn-primary {
  position: relative;
}

/* ── PRODUCTS PAGE ── */
.page-hero {
  background: var(--secondary);
  border-bottom: 1px solid var(--border);
  padding: 60px 24px 50px;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 16px;
}

.categories-full {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.cat-card-big {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 28px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.cat-card-big::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.cat-card-big:hover {
  border-color: rgba(0,212,255,0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.cat-card-big:hover::before {
  opacity: 1;
}

.cat-card-big .cat-icon-big {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.cat-card-big h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.cat-card-big p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.cat-card-big .cat-link {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── BRANDS PAGE ── */
.brands-full {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.brand-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 24px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
}

.brand-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.brand-card .brand-logo-placeholder {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 26px;
  font-weight: 900;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: -1px;
}

.brand-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.brand-card p {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── CONTACTS PAGE ── */
.contacts-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
}

.contact-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item-body .label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-item-body a {
  color: var(--accent);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
}

.contact-item-body a:hover {
  text-decoration: underline;
}

.contact-item-body span {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
}

.info-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.info-point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.info-point-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.info-point-body strong {
  display: block;
  color: var(--white);
  font-size: 14px;
  margin-bottom: 2px;
}

.info-point-body span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── FOOTER ── */
footer {
  margin-top: auto;
  background: var(--secondary);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 12px;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer-contacts a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-contacts a:hover {
  color: var(--accent);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 12px;
    gap: 4px;
  }

  nav.open {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  header {
    position: relative;
  }

  .contacts-wrap {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero {
    padding: 60px 24px 60px;
  }

  .cta-block {
    padding: 40px 24px;
  }
}