/* ========================================
   Yoozor Trading — Company Website (2026)
   Modern, clean, premium aesthetic
   ======================================== */

/* --- Variables --- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fc;
  --color-bg-dark: #0b1424;
  --color-text: #1a1a2e;
  --color-text-light: #5a6478;
  --color-text-on-dark: #e8ecf4;
  --color-accent: #1a5cff;
  --color-accent-hover: #1448cc;
  --color-gold: #c9a84c;
  --color-gold-light: #e8d28c;
  --color-green: #22c55e;
  --color-green-hover: #16a34a;
  --color-border: rgba(0,0,0,0.06);
  --color-glass: rgba(255,255,255,0.7);
  --color-glass-border: rgba(255,255,255,0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 40px rgba(26,92,255,0.15);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', 'SF Pro Display', -apple-system, sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  --max-width: 1200px;
  --nav-height: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; letter-spacing: -0.02em; }
.section-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 640px;
  line-height: 1.7;
}
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- SVG Icon Styles --- */
.icon-svg {
  width: 28px;
  height: 28px;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-svg-sm {
  width: 20px;
  height: 20px;
}
.icon-svg-lg {
  width: 36px;
  height: 36px;
}

/* --- Language Switcher --- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.lang-switcher a {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  transition: var(--transition);
  color: var(--color-text-light) !important;
}
.lang-switcher a:hover { color: var(--color-text) !important; }
.lang-switcher a.active {
  background: var(--color-accent);
  color: #fff !important;
}
.lang-switcher a.active::after { display: none !important; }
.lang-switcher .divider {
  color: var(--color-border);
  font-size: 0.75rem;
}

/* --- Navigation --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}
nav.scrolled {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}
.nav-logo .nav-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: block;
}
.nav-logo .mark {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 10px 24px;
  background: var(--color-accent);
  color: #fff !important;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
}
.nav-cta:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

/* Mobile menu */
.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  overflow: hidden;
  padding-top: var(--nav-height);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--color-gold-light);
}
.hero-badge span { color: var(--color-text-on-dark); opacity: 0.6; }
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.hero h1 .highlight { color: var(--color-gold); }
.hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.55);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero visual */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-visual-inner {
  position: relative;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
  animation: hero-ring-pulse 4s ease-in-out infinite;
}
.hero-ring:nth-child(1) { width: 90%; height: 90%; animation-delay: 0s; }
.hero-ring:nth-child(2) { width: 70%; height: 70%; animation-delay: 0.5s; }
.hero-ring:nth-child(3) { width: 50%; height: 50%; animation-delay: 1s; }
@keyframes hero-ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.05); opacity: 0.1; }
}
.hero-product-card {
  position: relative;
  text-align: center;
  z-index: 2;
}
.hero-product-card .icon svg {
  width: 64px;
  height: 64px;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.hero-product-card h3 { font-size: 1.4rem; color: #fff; }
.hero-product-card p { font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.hero-float {
  position: absolute;
  padding: 12px 20px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  z-index: 3;
}
.hero-float strong {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-gold-light);
  font-size: 0.85rem;
  margin-bottom: 2px;
}
.hero-float strong svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-gold-light);
  flex-shrink: 0;
}
.hero-float:nth-child(5) { top: 8%; right: -5%; }
.hero-float:nth-child(6) { bottom: 12%; left: -5%; }

/* Hero stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 680px;
  margin: -40px auto 0;
  position: relative;
  z-index: 2;
  padding: 32px 40px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}
.hero-stat { text-align: center; }
.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero-stat-number .gold { color: var(--color-gold); }
.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  margin-top: 4px;
  display: block;
}

/* --- Brands / Trusted By --- */
.brands-section {
  padding: 40px 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.brands-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.brand-item {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-light);
  opacity: 0.5;
  letter-spacing: 0.05em;
  transition: var(--transition);
}
.brand-item:hover { opacity: 1; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-text-on-dark);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.06); }
.btn-gold {
  background: var(--color-gold);
  color: #0b1424;
}
.btn-gold:hover { background: var(--color-gold-light); transform: translateY(-2px); }
.btn-green {
  background: var(--color-green);
  color: #fff;
}
.btn-green:hover { background: var(--color-green-hover); transform: translateY(-2px); }
.btn-wa {
  background: #25D366;
  color: #fff;
}
.btn-wa:hover { background: #1da851; transform: translateY(-2px); }

/* --- Sections --- */
section { padding: 100px 0; }
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-sub { margin: 0 auto; }

/* --- Products Section --- */
.products-section { background: var(--color-bg-alt); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}
.product-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--color-bg-alt);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card .icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-accent);
}
.product-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.product-card .category { font-size: 0.75rem; color: var(--color-accent); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; margin-bottom: 10px; }
.product-card p { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.6; }
.product-card .spec { font-size: 0.75rem; color: var(--color-text-light); margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--color-border); }

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-image svg {
  width: 120px;
  height: 120px;
  stroke: var(--color-accent);
  opacity: 0.3;
}
.about-content h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 1rem; }
.about-content p { color: var(--color-text-light); line-height: 1.8; margin-bottom: 1rem; }
.stats-row-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.stat-box {
  text-align: center;
  padding: 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.stat-box strong { display: block; font-size: 1.8rem; color: var(--color-accent); }
.stat-box span { font-size: 0.8rem; color: var(--color-text-light); }

/* --- Certifications Section --- */
.certs-section { background: var(--color-bg-alt); }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}
.cert-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition);
}
.cert-item:hover {
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

/* --- Why Choose Us --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  padding: 40px 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.why-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.why-card .icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-alt);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.why-card .icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
}
.why-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.7; }

/* --- Contact / Form Section --- */
.contact-section {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, rgba(26,92,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.contact-info h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}
.contact-info > p {
  color: rgba(255,255,255,0.5);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 420px;
}
.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  color: var(--color-text-on-dark);
}
.contact-method:hover {
  background: rgba(255,255,255,0.08);
  transform: translateX(4px);
}
.contact-method svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-gold);
  flex-shrink: 0;
}
.contact-method div strong {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-method div span {
  font-size: 0.95rem;
  color: var(--color-text-on-dark);
}

/* Contact Form */
.contact-form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-form h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}
.contact-form .form-subtitle {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.08);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.2);
}
.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.3)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.form-group select option {
  background: #1a1a2e;
  color: #fff;
}
.form-group textarea {
  height: 100px;
  resize: vertical;
}
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.form-submit:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show { display: block; }
.form-success svg {
  width: 48px;
  height: 48px;
  stroke: var(--color-green);
  margin-bottom: 16px;
}
.form-success h4 { font-size: 1.2rem; margin-bottom: 8px; }
.form-success p { color: rgba(255,255,255,0.5); font-size: 0.9rem; }

/* --- CTA Section (legacy) --- */
.cta-section {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, rgba(26,92,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}
.cta-section p {
  color: rgba(255,255,255,0.6);
  max-width: 520px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- Footer --- */
footer {
  background: var(--color-bg-dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 30px;
  color: var(--color-text-on-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.45);
  margin-top: 12px;
  max-width: 300px;
  line-height: 1.7;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-social a svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}
.footer-social a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(26,92,255,0.1);
}
footer h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
footer ul li { margin-bottom: 10px; }
footer ul a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
footer ul a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* --- Animations (reveal on scroll) --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-lang { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    z-index: 999;
  }
  .nav-links.open .lang-switcher { display: flex; margin-left: 0; }
  .menu-toggle { display: flex; }
  .hero { min-height: 90vh; }
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 20px; }
  .hero-stat-number { font-size: 1.5rem; }
  .products-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .stats-row-section { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
  .contact-form { padding: 24px; }
}