:root {
  --bg: #f7f8fc;
  --surface: #ffffff;
  --primary: #183153;
  --accent: #d9465f;
  --accent-dark: #bf2646;
  --text: #1c2533;
  --muted: #617086;
  --border: #dde3ee;
  --shadow: 0 18px 40px rgba(20, 40, 80, 0.10);
  --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(247, 248, 252, 0.88); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(221, 227, 238, 0.9); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--primary), #305ea3); color: #fff; font-size: 1.35rem; font-weight: 800; box-shadow: var(--shadow); }
.brand strong { display: block; font-size: 1rem; }
.brand small { display: block; color: var(--muted); }
.site-nav { display: flex; align-items: center; gap: 20px; }
.site-nav a { color: var(--muted); font-weight: 600; padding: 10px 0; border-bottom: 2px solid transparent; }
.site-nav a.active, .site-nav a:hover { color: var(--primary); border-color: var(--accent); }
.nav-cta { background: var(--primary); color: #fff !important; padding: 12px 18px !important; border-radius: 999px; border: none !important; }
.nav-cta:hover, .nav-cta.active { background: var(--accent); }
.menu-toggle { display: none; border: 1px solid var(--border); background: var(--surface); border-radius: 12px; padding: 10px 12px; font-size: 1.15rem; }
.hero { padding: 78px 0 46px; }
.hero-grid, .split-grid, .two-col, .contact-grid, .cta-grid, .about-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px; align-items: center; }
.hero-copy h1, .page-hero h1 { margin: 0 0 18px; font-size: clamp(2.3rem, 6vw, 4.3rem); line-height: 1.05; color: var(--primary); }
.hero-copy p, .page-hero p, .lead { color: var(--muted); font-size: 1.05rem; }
.badge { display: inline-flex; gap: 8px; align-items: center; border: 1px solid rgba(217, 70, 95, 0.18); background: rgba(217, 70, 95, 0.08); color: var(--accent-dark); padding: 9px 14px; border-radius: 999px; font-size: 0.92rem; font-weight: 700; margin-bottom: 20px; }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 20px; border-radius: 999px; font-weight: 700; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #ec6d83); color: #fff; box-shadow: 0 14px 26px rgba(217, 70, 95, 0.25); }
.btn-secondary { background: var(--surface); border: 1px solid var(--border); color: var(--primary); }
.card, .feature-card, .stat-card, .process-card, .product-card, .info-card, .contact-form, .timeline-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-visual img, .rounded-image { border-radius: 28px; box-shadow: var(--shadow); }
.section { padding: 30px 0 70px; }
.section-title { max-width: 760px; margin-bottom: 28px; }
.section-title h2 { margin: 0 0 12px; font-size: clamp(1.8rem, 4vw, 2.8rem); color: var(--primary); }
.section-title p { color: var(--muted); margin: 0; }
.grid-3, .grid-4, .stats-grid, .timeline-grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-card, .process-card, .product-card, .info-card, .stat-card, .timeline-item { padding: 24px; }
.feature-card h3, .process-card h3, .product-card h3, .info-card h3, .timeline-item h3 { margin-top: 0; color: var(--primary); }
.icon-circle { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; background: rgba(24, 49, 83, 0.08); color: var(--primary); font-size: 1.2rem; font-weight: 800; margin-bottom: 16px; }
.list-check, .inline-list, .info-list, .product-specs { list-style: none; padding: 0; margin: 0; }
.list-check li, .info-list li, .product-specs li { position: relative; padding-left: 24px; margin: 10px 0; color: var(--muted); }
.list-check li::before, .info-list li::before, .product-specs li::before { content: '•'; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 900; }
.inline-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.inline-list li { border: 1px solid var(--border); background: #f8fbff; border-radius: 999px; padding: 8px 14px; color: var(--primary); font-weight: 600; }
.stat-card h3 { margin: 0; font-size: 2rem; color: var(--accent); }
.stat-card p { margin: 10px 0 0; color: var(--muted); }
.page-hero { padding: 64px 0 24px; }
.process-flow { counter-reset: step; display: grid; gap: 18px; }
.process-card { position: relative; padding-left: 84px; }
.process-card::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; left: 24px; top: 24px; width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--primary), #3c74c2); color: white; font-weight: 800; }
.product-card img { border-radius: 18px; margin-bottom: 18px; }
.product-tag { display: inline-block; background: rgba(24, 49, 83, 0.08); color: var(--primary); border-radius: 999px; padding: 7px 12px; font-size: 0.84rem; font-weight: 700; margin-bottom: 12px; }
.cta-box { background: linear-gradient(135deg, var(--primary), #264d85); color: #fff; padding: 34px; border-radius: 28px; box-shadow: var(--shadow); }
.cta-box p, .cta-box li { color: rgba(255,255,255,0.82); }
.cta-box .btn-secondary { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.2); color: #fff; }
.contact-form { padding: 28px; }
label { font-weight: 600; color: var(--primary); display: block; margin-bottom: 8px; }
input, textarea, select { width: 100%; border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; font: inherit; background: #fff; margin-bottom: 18px; }
textarea { min-height: 150px; resize: vertical; }
.alert { border-radius: 14px; padding: 14px 16px; margin-bottom: 18px; font-weight: 600; }
.alert-success { background: #eafaf0; border: 1px solid #bce3c7; color: #23784a; }
.alert-error { background: #fff1f3; border: 1px solid #f1c3ca; color: #a23248; }
.site-footer { background: #101a2c; color: #d7dfed; padding-top: 54px; margin-top: 24px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 28px; }
.site-footer h3, .site-footer h4 { color: white; margin-top: 0; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 10px 0; color: #d7dfed; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 28px; padding: 20px 0 30px; font-size: 0.95rem; color: #afbdd3; }
.muted-box { background: #eef3fb; padding: 24px; border-radius: 20px; border: 1px solid #d7e2f2; }
.table-wrap { overflow-x: auto; background: var(--surface); border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; }
th { background: #f5f8fe; color: var(--primary); }
tr:last-child td { border-bottom: none; }
@media (max-width: 980px) {
  .hero-grid, .split-grid, .two-col, .contact-grid, .cta-grid, .about-grid, .footer-grid, .grid-3, .grid-4, .stats-grid, .timeline-grid { grid-template-columns: 1fr; }
  .site-nav { position: absolute; top: 78px; right: 16px; left: 16px; display: none; flex-direction: column; align-items: flex-start; padding: 20px; background: rgba(255,255,255,0.98); border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .menu-toggle { display: inline-flex; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 20px, 1180px); }
  .hero { padding-top: 56px; }
  .feature-card, .process-card, .product-card, .info-card, .stat-card, .timeline-item, .contact-form { padding: 20px; }
  .process-card { padding-left: 20px; padding-top: 78px; }
  .process-card::before { left: 20px; top: 20px; }
}