@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  --primary: #004b87;
  --primary-dark: #00335e;
  --accent: #006bb3;
  --bg-main: #f4f7f9;
  --bg-card: #ffffff;
  --bg-alt: #eaeff3;
  --text-main: #1a252f;
  --text-muted: #5c6e7f;
  --border: #dce3e9;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 24px rgba(0,0,0,0.1);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg-main); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }

/* NAV */
nav { position: fixed; top: 0; width: 100%; z-index: 1000; background: rgba(255,255,255,0.98); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.logo-text { font-size: 22px; font-weight: 800; color: var(--primary-dark); letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 600; transition: color 0.2s; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { background: var(--primary); color: white; border: none; padding: 10px 24px; border-radius: 4px; font-weight: 600; cursor: pointer; font-size: 14px; transition: background 0.2s; text-decoration: none; }
.nav-cta:hover { background: var(--primary-dark); }

/* HERO */
.hero { min-height: 90vh; display: flex; align-items: center; background: var(--bg-card); position: relative; padding-top: 70px; border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 1200px; margin: 0 auto; padding: 80px 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--bg-alt); border-radius: 4px; padding: 6px 16px; font-size: 13px; color: var(--text-muted); font-weight: 600; margin-bottom: 24px; text-transform: uppercase; letter-spacing: 1px; }
.hero h1 { font-size: clamp(32px, 4vw, 48px); font-weight: 800; line-height: 1.15; margin-bottom: 24px; color: var(--text-main); }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.6; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary { background: var(--primary); color: white; padding: 14px 32px; border-radius: 4px; font-weight: 600; font-size: 15px; text-decoration: none; transition: background 0.2s; display: inline-flex; align-items: center; gap: 8px; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border: 2px solid var(--border); color: var(--text-main); padding: 12px 32px; border-radius: 4px; font-weight: 600; font-size: 15px; text-decoration: none; transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px; background: transparent; }
.btn-outline:hover { border-color: var(--text-main); }
.hero-img { display: flex; justify-content: center; align-items: center; }
.hero-img img { max-height: 480px; max-width: 100%; object-fit: contain; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; border-top: 1px solid var(--border); padding-top: 32px; }
.stat-num { font-size: 24px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* SECTIONS */
section { padding: 90px 24px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-badge { display: inline-block; background: var(--bg-alt); padding: 6px 12px; font-size: 12px; color: var(--text-muted); font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; border-radius: 4px; }
.section-title { font-size: clamp(28px, 3vw, 36px); font-weight: 800; margin-bottom: 20px; color: var(--text-main); }
.section-title span { color: var(--primary); }
.section-desc { color: var(--text-muted); font-size: 16px; max-width: 700px; line-height: 1.6; margin-bottom: 50px; }

/* ABOUT */
#about { background: var(--bg-main); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-features { display: grid; gap: 24px; margin-top: 32px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { width: 40px; height: 40px; background: var(--bg-alt); color: var(--primary); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.feature-text h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--text-main); }
.feature-text p { font-size: 14px; color: var(--text-muted); }
.about-img img { width: 100%; border-radius: 4px; object-fit: contain; max-height: 500px; box-shadow: var(--shadow-md); background: var(--bg-card); padding: 20px; }

/* PRODUCTS */
#products { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.product-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; position: relative; box-shadow: var(--shadow-sm); }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card.featured { border-top: 4px solid var(--primary); }
.product-badge { position: absolute; top: 16px; right: 16px; background: var(--bg-alt); color: var(--text-muted); font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 4px; text-transform: uppercase; z-index: 10; }
.product-card.featured .product-badge { background: var(--primary); color: white; }
.product-gallery { position: relative; height: 260px; display: flex; align-items: center; justify-content: center; background: var(--bg-main); padding: 24px; gap: 20px; border-bottom: 1px solid var(--border); }
.product-gallery img { max-height: 100%; max-width: 45%; object-fit: contain; }
.product-body { padding: 32px; }
.product-range { font-size: 13px; color: var(--primary); font-weight: 700; margin-bottom: 8px; }
.product-body h3 { font-size: 18px; font-weight: 800; margin-bottom: 12px; color: var(--text-main); }
.product-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 24px; }
.product-specs { display: grid; gap: 8px; margin-bottom: 24px; }
.spec-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.spec-label { color: var(--text-muted); }
.spec-val { font-weight: 600; color: var(--text-main); }
.product-features { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); }
.product-features h4 { font-size: 13px; color: var(--text-main); margin-bottom: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.product-features ul { list-style: none; display: grid; gap: 10px; }
.product-features li { font-size: 13px; color: var(--text-muted); padding-left: 16px; position: relative; line-height: 1.4; }
.product-features li::before { content: '■'; position: absolute; left: 0; top: 0px; color: var(--primary); font-size: 8px; }

.common-specs { background: var(--bg-main); border: 1px solid var(--border); border-radius: 4px; padding: 48px; margin-top: 64px; }
.common-specs-title { font-size: 20px; font-weight: 800; margin-bottom: 32px; text-align: center; color: var(--text-main); }
.common-specs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.common-spec-item { background: var(--bg-card); padding: 24px; border-radius: 4px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.common-spec-icon { font-size: 24px; margin-bottom: 16px; }
.common-spec-item h5 { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; font-weight: 700; letter-spacing: 0.5px; }
.common-spec-item p { font-size: 14px; font-weight: 600; color: var(--text-main); line-height: 1.5; }

/* SERVICES */
#services { background: var(--bg-main); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.service-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 40px 32px; transition: box-shadow 0.2s; box-shadow: var(--shadow-sm); }
.service-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
.service-icon { width: 48px; height: 48px; background: var(--bg-alt); color: var(--primary); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 24px; }
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.service-card p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* INDUSTRIES */
#industries { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.industries-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.industry-card { background: var(--bg-main); border: 1px solid var(--border); border-radius: 4px; padding: 24px; text-align: center; transition: all 0.2s; }
.industry-card:hover { border-color: var(--primary); background: var(--bg-alt); }
.industry-icon { font-size: 32px; margin-bottom: 16px; }
.industry-card h4 { font-size: 14px; font-weight: 600; color: var(--text-main); }

/* CTA BANNER */
.cta-banner { background: var(--primary); border-radius: 4px; padding: 60px; text-align: center; color: white; margin-bottom: 80px; box-shadow: var(--shadow-lg); }
.cta-banner h2 { font-size: clamp(28px, 4vw, 36px); font-weight: 800; margin-bottom: 16px; color: white; }
.cta-banner p { color: rgba(255,255,255,0.9); font-size: 16px; margin-bottom: 32px; }
.cta-btns .btn-primary { background: white; color: var(--primary); border: 2px solid white; }
.cta-btns .btn-primary:hover { background: transparent; color: white; }

/* CONTACT */
#contact { background: var(--bg-main); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-info { display: grid; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 24px; box-shadow: var(--shadow-sm); }
.contact-icon { width: 40px; height: 40px; background: var(--bg-alt); color: var(--primary); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-item h4 { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; font-weight: 600; }
.contact-item p, .contact-item a { font-size: 15px; font-weight: 600; color: var(--text-main); text-decoration: none; }
.contact-item a:hover { color: var(--primary); }
.contact-form-container { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 40px; box-shadow: var(--shadow-md); }
.contact-form-container h3 { font-size: 22px; font-weight: 800; margin-bottom: 24px; color: var(--text-main); }
.contact-form { display: grid; gap: 20px; }
.form-group { display: grid; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select { background: var(--bg-main); border: 1px solid var(--border); border-radius: 4px; padding: 14px 16px; color: var(--text-main); font-family: inherit; font-size: 14px; transition: border-color 0.2s; width: 100%; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.btn-submit { background: var(--primary); color: white; border: none; padding: 16px; border-radius: 4px; font-weight: 700; font-size: 15px; cursor: pointer; transition: background 0.2s; width: 100%; }
.btn-submit:hover { background: var(--primary-dark); }

/* FOOTER */
footer { background: #0f172a; padding: 80px 24px 30px; color: #cbd5e1; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }
.footer-brand .logo-text { color: white; }
.footer-brand .logo-icon { background: white; color: #0f172a; }
.footer-brand p { font-size: 14px; line-height: 1.6; margin-top: 20px; max-width: 320px; color: #94a3b8; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 24px; color: white; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-col ul { list-style: none; display: grid; gap: 12px; }
.footer-col ul a { color: #94a3b8; text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-col ul a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 32px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: #64748b; }
.certifications { display: flex; gap: 16px; align-items: center; }
.cert-badge { border: 1px solid rgba(255,255,255,0.2); border-radius: 4px; padding: 6px 12px; font-size: 12px; font-weight: 600; color: #94a3b8; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .products-grid, .services-grid { grid-template-columns: 1fr 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .products-grid, .services-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  section { padding: 60px 20px; }
}