/* ============================================
   NATIONAL GLOBE TRADE — Main Stylesheet
   Colors: Navy #0F1E35 | Blue #3B82C4 | Green #45C068
   ============================================ */

:root {
  --navy:   #0F1E35;
  --blue:   #3B82C4;
  --green:  #45C068;
  --gray:   #F4F6F9;
  --text:   #2D3748;
  --white:  #FFFFFF;
}

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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 { color: var(--navy); font-weight: 700; line-height: 1.3; }
h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }
p  { margin-bottom: 1rem; }
a  { color: var(--blue); text-decoration: none; }
a:hover { color: var(--green); }

/* ---- BUTTONS ---- */
.btn-primary-ngt {
  background: var(--green);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  display: inline-block;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn-primary-ngt:hover {
  background: #38a057;
  color: var(--white);
  transform: translateY(-1px);
}

.btn-outline-ngt {
  background: transparent;
  color: var(--white);
  padding: 11px 28px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--white);
  cursor: pointer;
  display: inline-block;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-outline-ngt:hover {
  background: var(--white);
  color: var(--navy);
}

/* ---- HEADER / NAV ---- */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-wrap img {
  height: 52px;
  width: auto;
}

.main-nav { display: flex; align-items: center; gap: 6px; list-style: none; }
.main-nav a {
  color: rgba(255,255,255,0.88);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.header-cta { display: flex; align-items: center; gap: 16px; }
.header-phone { color: rgba(255,255,255,0.8); font-size: 0.9rem; white-space: nowrap; }
.header-phone a { color: inherit; }
.header-phone a:hover { color: var(--green); }

/* Hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--white); margin: 5px 0; transition: 0.3s;
}

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a5c 100%);
  color: var(--white);
  padding: 90px 20px;
  text-align: center;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.85); max-width: 680px; margin: 0 auto 32px; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-badge {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

/* ---- SECTIONS ---- */
.section { padding: 72px 20px; }
.section-gray { background: var(--gray); }
.section-navy { background: var(--navy); color: var(--white); }
.section-navy h2, .section-navy h3 { color: var(--white); }
.section-blue { background: var(--blue); color: var(--white); }
.section-blue h2, .section-blue h3 { color: var(--white); }

.container { max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { color: #5a6a7e; font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.section-navy .section-title p { color: rgba(255,255,255,0.75); }

/* ---- DIVISION CARDS ---- */
.division-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.content-sidebar { display: grid; grid-template-columns: 2fr 1fr; gap: 56px; align-items: start; }
.division-card {
  background: var(--white);
  border-radius: 8px;
  padding: 36px 32px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  border-top: 4px solid var(--blue);
  transition: transform 0.2s, box-shadow 0.2s;
}
.division-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.12); }
.division-card h3 { color: var(--navy); margin-bottom: 12px; }
.division-card p { color: #5a6a7e; margin-bottom: 20px; }
.division-icon { font-size: 2.4rem; margin-bottom: 16px; }

/* ---- PRODUCT CARDS ---- */
.products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.product-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.product-card-img { width: 100%; height: 180px; object-fit: cover; background: #e8edf2; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.product-card-img img { width: 100%; height: 180px; object-fit: cover; }
.product-card-body { padding: 20px; }
.product-card-body h4 { color: var(--navy); margin-bottom: 8px; }
.product-card-body p { color: #5a6a7e; font-size: 0.9rem; margin-bottom: 16px; }
.product-tag {
  display: inline-block;
  background: var(--gray);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 12px;
}

/* ---- HOW WE WORK ---- */
.steps-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.step-item { text-align: center; }
.step-num {
  width: 52px; height: 52px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.2rem;
  margin: 0 auto 14px;
}
.step-item h4 { color: var(--navy); font-size: 0.95rem; margin-bottom: 6px; }
.step-item p { color: #5a6a7e; font-size: 0.85rem; }

/* ---- TRUST / STATS ---- */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-item { text-align: center; }
.trust-number { font-size: 2.4rem; font-weight: 700; color: var(--green); }
.trust-label { color: rgba(255,255,255,0.8); font-size: 0.9rem; }

/* ---- INDUSTRIES ---- */
.industries-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.industry-item {
  text-align: center;
  background: rgba(255,255,255,0.07);
  border-radius: 8px;
  padding: 24px 16px;
  border: 1px solid rgba(255,255,255,0.12);
}
.industry-icon { font-size: 2rem; margin-bottom: 10px; }
.industry-item h4 { color: var(--white); font-size: 0.9rem; font-weight: 600; }

/* ---- WHY NGT ---- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--blue);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.why-item h4 { color: var(--navy); margin-bottom: 4px; }
.why-item p { color: #5a6a7e; font-size: 0.9rem; margin: 0; }

/* ---- CLIENTS ---- */
.clients-strip {
  background: var(--gray);
  padding: 36px 20px;
  text-align: center;
}
.clients-label { font-size: 0.85rem; font-weight: 600; color: #5a6a7e; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.clients-list { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; }
.client-name { font-weight: 600; color: var(--navy); font-size: 0.95rem; }

/* ---- CTA BLOCK ---- */
.cta-block { text-align: center; padding: 72px 20px; }
.cta-block h2 { color: var(--white); margin-bottom: 16px; }
.cta-block p { color: rgba(255,255,255,0.85); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- CONTACT SUMMARY ---- */
.contact-bar {
  background: var(--navy);
  padding: 28px 20px;
}
.contact-bar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
}
.contact-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.85); font-size: 0.95rem; }
.contact-item a { color: var(--green); }
.contact-item a:hover { color: var(--white); }

/* ---- FOOTER ---- */
.site-footer {
  background: #070f1c;
  color: rgba(255,255,255,0.65);
  padding: 52px 20px 24px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img { height: 48px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom {
  max-width: 1200px; margin: 20px auto 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem;
}
.footer-legal a { color: rgba(255,255,255,0.5); }
.footer-legal a:hover { color: var(--green); }

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  z-index: 9999;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(0,0,0,0.3); }
.whatsapp-float svg { width: 30px; height: 30px; fill: white; }

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a5c 100%);
  color: var(--white);
  padding: 56px 20px;
  text-align: center;
}
.page-hero h1 { color: var(--white); font-size: 2.2rem; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1.05rem; max-width: 580px; margin: 0 auto; }
.breadcrumb-nav { margin-bottom: 16px; font-size: 0.85rem; color: rgba(255,255,255,0.6); }
.breadcrumb-nav a { color: rgba(255,255,255,0.6); }
.breadcrumb-nav a:hover { color: var(--green); }
.breadcrumb-nav span { margin: 0 6px; }

/* ---- PRODUCT PAGE ---- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.product-detail-img img { width: 100%; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.spec-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.spec-table td { padding: 10px 14px; border-bottom: 1px solid #e2e8f0; font-size: 0.95rem; }
.spec-table td:first-child { font-weight: 600; color: var(--navy); width: 40%; background: var(--gray); }
.applications-list { list-style: none; padding: 0; }
.applications-list li { padding: 8px 0; border-bottom: 1px solid #e2e8f0; display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; }
.applications-list li::before { content: "✓"; color: var(--green); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.doc-request-box {
  background: var(--gray);
  border-radius: 8px;
  padding: 28px;
  border-left: 4px solid var(--blue);
  margin: 28px 0;
}
.doc-request-box h4 { color: var(--navy); margin-bottom: 8px; }
.doc-request-box p { color: #5a6a7e; font-size: 0.9rem; margin-bottom: 16px; }
.disclaimer-box {
  background: #fff8e1;
  border-radius: 6px;
  padding: 16px 20px;
  border-left: 4px solid #f59e0b;
  font-size: 0.85rem;
  color: #6b5700;
  margin: 20px 0;
}

/* ---- CONTACT FORM ---- */
.contact-form-wrap { max-width: 680px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; color: var(--navy); margin-bottom: 6px; font-size: 0.9rem; }
.form-control {
  width: 100%; padding: 12px 16px;
  border: 1px solid #d1d9e6;
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
}
.form-control:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,130,196,0.12); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-submit { text-align: center; margin-top: 24px; }

/* ---- OCC TABLE ---- */
.grades-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.grades-table th { background: var(--navy); color: var(--white); padding: 12px 16px; text-align: left; font-size: 0.9rem; }
.grades-table td { padding: 12px 16px; border-bottom: 1px solid #e2e8f0; font-size: 0.9rem; }
.grades-table tr:nth-child(even) td { background: var(--gray); }

/* ---- INFO BOX ---- */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-box { background: var(--white); border-radius: 8px; padding: 28px; box-shadow: 0 2px 12px rgba(0,0,0,0.07); }
.info-box h4 { color: var(--navy); margin-bottom: 10px; }
.info-box p, .info-box li { color: #5a6a7e; font-size: 0.9rem; }
.info-box ul { padding-left: 18px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.55rem; }
  .division-grid { grid-template-columns: 1fr; }
  .content-sidebar { grid-template-columns: 1fr; gap: 32px; }
  .why-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .header-cta { display: none; }
  .nav-toggle { display: block; margin-left: auto; }
  .main-nav {
    display: none; flex-direction: column; align-items: flex-start;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--navy); padding: 16px 20px; gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; padding: 10px 12px; }
  .contact-bar-inner { flex-direction: column; gap: 16px; align-items: flex-start; }
  .page-hero h1 { font-size: 1.6rem; }
  .page-hero p { font-size: 0.95rem; }
  .spec-table, .grades-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}
@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 60px 20px; }
  .section { padding: 48px 20px; }
}