:root {
  --primary: #0a2d6e;
  --accent: #e8a020;
  --dark: #0d1b2a;
  --light: #f4f7fc;
  --gray: #6b7a8d;
  --border: #dde3ec;
  --white: #ffffff;
  --radius: 6px;
  --shadow: 0 2px 16px rgba(10,45,110,0.10);
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: #222;
  background: var(--white);
  line-height: 1.65;
  font-size: 15px;
}

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

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

/* ── TOPBAR ── */
.topbar {
  background: var(--dark);
  color: #aab4c4;
  font-size: 12.5px;
  padding: 6px 0;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.topbar a { color: #aab4c4; transition: color var(--transition); }
.topbar a:hover { color: var(--accent); }
.topbar-left, .topbar-right { display: flex; gap: 20px; align-items: center; }
.topbar-left span { display: flex; align-items: center; gap: 5px; }

/* ── HEADER ── */
header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(10,45,110,0.07);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 42px; height: 42px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { width: 26px; height: 26px; fill: var(--white); }
.logo-text { line-height: 1.2; }
.logo-text strong { display: block; font-size: 17px; color: var(--primary); letter-spacing: 0.3px; }
.logo-text span { font-size: 11px; color: var(--gray); letter-spacing: 1px; text-transform: uppercase; }

nav { display: flex; align-items: center; gap: 4px; }
nav a {
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  color: #333;
  transition: background var(--transition), color var(--transition);
}
nav a:hover, nav a.active { background: var(--light); color: var(--primary); }

.btn-quote {
  background: var(--accent);
  color: var(--white) !important;
  border-radius: var(--radius);
  padding: 8px 20px !important;
  font-weight: 600 !important;
  transition: opacity var(--transition) !important;
}
.btn-quote:hover { opacity: 0.88; background: var(--accent) !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, #0a2d6e 60%, #1a4a9e 100%);
  color: var(--white);
  padding: 90px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232,160,32,0.15);
  border: 1px solid rgba(232,160,32,0.3);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 50px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p {
  font-size: 16px;
  color: #b8c8e0;
  margin-bottom: 32px;
  max-width: 460px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent);
  color: var(--white);
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  transition: opacity var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { opacity: 0.88; }
.btn-outline {
  border: 2px solid rgba(255,255,255,0.25);
  color: var(--white);
  padding: 11px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  transition: border-color var(--transition), background var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.08); }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.10);
}
.stat strong { display: block; font-size: 28px; font-weight: 800; color: var(--accent); }
.stat span { font-size: 12px; color: #8aa0bc; text-transform: uppercase; letter-spacing: 0.5px; }

.hero-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  padding: 20px;
  transition: background var(--transition);
}
.hero-card:hover { background: rgba(255,255,255,0.10); }
.hero-card:first-child { grid-column: 1 / -1; }
.hero-card-icon { font-size: 26px; margin-bottom: 10px; }
.hero-card h4 { font-size: 13px; font-weight: 700; color: var(--white); margin-bottom: 5px; }
.hero-card p { font-size: 12px; color: #8aa0bc; }

/* ── SECTION COMMONS ── */
section { padding: 72px 24px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  background: #e8f0fe;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.section-sub { color: var(--gray); font-size: 15px; max-width: 560px; }
.section-head { margin-bottom: 44px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin: 0 auto; }

/* ── FEATURES STRIP ── */
.features-strip {
  background: var(--primary);
  padding: 0;
}
.strip-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.strip-item {
  padding: 28px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-right: 1px solid rgba(255,255,255,0.10);
  color: var(--white);
  transition: background var(--transition);
}
.strip-item:last-child { border-right: none; }
.strip-item:hover { background: rgba(255,255,255,0.07); }
.strip-icon { font-size: 22px; flex-shrink: 0; }
.strip-text strong { display: block; font-size: 13px; font-weight: 700; }
.strip-text span { font-size: 11.5px; color: #8aa8cc; }

/* ── PRODUCTS ── */
.products-section { background: var(--light); }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.cat-card {
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.cat-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.cat-card-header {
  background: linear-gradient(135deg, var(--primary), #1a4a9e);
  padding: 28px 24px 22px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.cat-icon { font-size: 32px; flex-shrink: 0; }
.cat-card-header h3 { font-size: 16px; font-weight: 700; color: var(--white); }
.cat-card-header span { font-size: 12px; color: #8ab0d8; margin-top: 2px; display: block; }
.cat-card-body { padding: 20px 24px; }
.cat-items { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.cat-items li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: #444;
}
.cat-items li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.cat-card-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
}
.cat-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition);
}
.cat-link:hover { gap: 10px; }

/* ── WHY US ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.why-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 24px;
  transition: box-shadow var(--transition);
}
.why-card:hover { box-shadow: var(--shadow); }
.why-icon {
  width: 52px; height: 52px;
  background: #e8f0fe;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.why-card h4 { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.why-card p { font-size: 13.5px; color: var(--gray); }

/* ── BRANDS ── */
.brands-section { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.brands-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.brand-item {
  flex: 1 1 160px;
  padding: 22px 16px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  transition: background var(--transition);
}
.brand-item:hover { background: var(--light); }
.brand-name { font-size: 15px; font-weight: 800; color: var(--primary); letter-spacing: 0.5px; }
.brand-cat { font-size: 11px; color: var(--gray); }

/* ── CATEGORY NAV GRID ── */
.cat-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.cat-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px 16px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
  background: var(--white);
}
.cat-nav-item:nth-child(5n) { border-right: none; }
.cat-nav-item:nth-child(6),
.cat-nav-item:nth-child(7),
.cat-nav-item:nth-child(8),
.cat-nav-item:nth-child(9),
.cat-nav-item:nth-child(10) { border-bottom: none; }
.cat-nav-item:hover { background: #f0f4ff; }
.cat-nav-item:hover .cat-nav-name { color: var(--primary); }
.cat-nav-icon { font-size: 28px; margin-bottom: 10px; }
.cat-nav-name {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 0.6px;
  margin-bottom: 5px;
  transition: color var(--transition);
}
.cat-nav-sub {
  font-size: 11.5px;
  color: var(--gray);
  line-height: 1.4;
}
.cat-nav-highlight {
  background: linear-gradient(135deg, #fff8ed, #fff3dc);
}
.cat-nav-highlight .cat-nav-name { color: var(--accent); }
.cat-nav-highlight:hover { background: #ffeecc; }
@media (max-width: 900px) {
  .cat-nav-grid { grid-template-columns: repeat(4, 1fr); }
  .cat-nav-item:nth-child(5n) { border-right: 1px solid var(--border); }
  .cat-nav-item:nth-child(4n) { border-right: none; }
  .cat-nav-item:nth-child(n+7) { border-bottom: none; }
  .cat-nav-item:nth-child(-n+6) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 600px) {
  .cat-nav-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-nav-item { border-right: 1px solid var(--border) !important; border-bottom: 1px solid var(--border) !important; }
  .cat-nav-item:nth-child(2n) { border-right: none !important; }
  .cat-nav-item:nth-child(9),
  .cat-nav-item:nth-child(10) { border-bottom: none !important; }
}

/* ── PROCESS ── */
.process-section { background: var(--light); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0;
  position: relative;
}
.process-step {
  padding: 32px 24px;
  text-align: center;
  position: relative;
}
.step-num {
  width: 48px; height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 800;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
}
.step-num::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  width: 100%;
  height: 1px;
  background: var(--border);
}
.process-step:last-child .step-num::after { display: none; }
.process-step h4 { font-size: 14px; font-weight: 700; color: var(--dark); margin-bottom: 7px; }
.process-step p { font-size: 13px; color: var(--gray); }

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, #d4780a 100%);
  color: var(--white);
  padding: 60px 24px;
  text-align: center;
}
.cta-banner h2 { font-size: clamp(22px, 3vw, 34px); font-weight: 800; margin-bottom: 12px; }
.cta-banner p { font-size: 16px; opacity: 0.9; margin-bottom: 28px; }
.btn-white {
  background: var(--white);
  color: var(--accent);
  padding: 13px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  display: inline-block;
  transition: opacity var(--transition);
}
.btn-white:hover { opacity: 0.90; }

/* ── FOOTER ── */
footer {
  background: var(--dark);
  color: #8aa0bc;
  padding: 56px 24px 28px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand p { font-size: 13.5px; margin-top: 14px; line-height: 1.7; color: #6a85a4; }
.footer-brand .logo-text strong { color: var(--white); }
.footer-brand .logo-text span { color: #4a6078; }
.footer-logo { display: flex; align-items: center; gap: 12px; }
.footer-col h5 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col ul a { font-size: 13px; color: #6a85a4; transition: color var(--transition); }
.footer-col ul a:hover { color: var(--accent); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; margin-bottom: 10px; }
.footer-contact-item span:first-child { flex-shrink: 0; margin-top: 1px; }
.footer-bottom {
  border-top: 1px solid #1a2d40;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #3a5068;
}
.footer-badges { display: flex; gap: 12px; flex-wrap: wrap; }
.badge {
  background: #1a2d40;
  border-radius: var(--radius);
  padding: 4px 10px;
  font-size: 11.5px;
  color: #5a7898;
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, var(--dark), var(--primary));
  color: var(--white);
  padding: 56px 24px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(24px, 4vw, 42px); font-weight: 800; margin-bottom: 10px; }
.page-hero p { font-size: 15px; color: #8aa8cc; }
.breadcrumb { font-size: 13px; color: #5a80a8; margin-bottom: 14px; }
.breadcrumb a { color: #8aa8cc; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; }

/* ── ABOUT PAGE ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.about-stat-card {
  background: var(--primary);
  color: var(--white);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
}
.about-stat-card strong { display: block; font-size: 32px; font-weight: 800; color: var(--accent); }
.about-stat-card span { font-size: 12px; color: #8aa8cc; }
.about-stat-card:nth-child(2) { background: #0d3d6e; }
.about-stat-card:nth-child(3) { background: #1a4a9e; }
.about-stat-card:nth-child(4) { background: var(--dark); }

.value-list { list-style: none; margin-top: 24px; display: flex; flex-direction: column; gap: 14px; }
.value-list li { display: flex; gap: 12px; }
.value-icon { width: 36px; height: 36px; background: #e8f0fe; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.value-text strong { display: block; font-size: 14px; font-weight: 700; color: var(--dark); margin-bottom: 2px; }
.value-text p { font-size: 13px; color: var(--gray); }

/* ── PRODUCTS PAGE ── */
.product-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-btn {
  padding: 7px 18px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray);
  cursor: pointer;
  background: var(--white);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active { border-color: var(--primary); background: var(--primary); color: var(--white); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.product-card-top {
  background: linear-gradient(135deg, #f0f4ff, #e4eeff);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}
.product-card-body { padding: 18px 20px; }
.product-card-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.product-card h4 { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.product-card p { font-size: 13px; color: var(--gray); }
.product-card-footer {
  padding: 13px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-tag {
  background: var(--light);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--gray);
}

/* ── CONTACT PAGE ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
}
.contact-info-card {
  background: var(--primary);
  border-radius: 12px;
  padding: 36px;
  color: var(--white);
  height: fit-content;
}
.contact-info-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 20px; }
.info-item { display: flex; gap: 12px; margin-bottom: 22px; }
.info-icon { width: 40px; height: 40px; background: rgba(255,255,255,0.10); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.info-label { font-size: 11.5px; color: #8aa8cc; margin-bottom: 2px; }
.info-val { font-size: 14px; font-weight: 600; color: var(--white); }
.social-links { display: flex; gap: 10px; margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.10); }
.social-btn { width: 36px; height: 36px; background: rgba(255,255,255,0.10); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; transition: background var(--transition); }
.social-btn:hover { background: rgba(255,255,255,0.20); }

.quote-form { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 36px; }
.quote-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.quote-form > p { font-size: 13.5px; color: var(--gray); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: #444; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 14px;
  color: #222;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.btn-submit {
  width: 100%;
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 13px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--transition);
  font-family: inherit;
}
.btn-submit:hover { opacity: 0.88; }
.form-note { font-size: 12px; color: var(--gray); margin-top: 10px; text-align: center; }

/* ── MOBILE ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .strip-grid { grid-template-columns: repeat(3, 1fr); }
  .strip-item:nth-child(3) { border-right: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  nav { display: none; }
  nav.open { display: flex; flex-direction: column; position: fixed; top: 70px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 16px; gap: 4px; z-index: 99; box-shadow: var(--shadow); }
  .hamburger { display: flex; }
  .strip-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  section { padding: 48px 20px; }
}