/* ============================================================
   Paarth Trade Solutions — Corporate Website Stylesheet
   Colors: Dark Blue (#0B1D3A), Accent Blue (#1A5276), White (#FFFFFF),
           Light Grey (#F4F6F9), Gold Accent (#C9A84C)
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Segoe UI', Arial, Helvetica, sans-serif;
  color: #2C3E50;
  background: #FFFFFF;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s; }
ul { list-style: none; }

/* ---------- Utility ---------- */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 80px 0; }
.text-center { text-align: center; }

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #0B1D3A;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #5D6D7E;
  max-width: 680px;
  margin: 0 auto 48px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background .3s, transform .2s, box-shadow .3s;
  border: none;
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.15); }

.btn-primary {
  background: #C9A84C;
  color: #0B1D3A;
}
.btn-primary:hover { background: #b8963e; }

.btn-secondary {
  background: transparent;
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
}
.btn-secondary:hover { background: rgba(255,255,255,.15); }

.btn-outline {
  background: transparent;
  color: #1A5276;
  border: 2px solid #1A5276;
}
.btn-outline:hover { background: #1A5276; color: #FFFFFF; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11,29,58,.97);
  backdrop-filter: blur(8px);
  transition: background .3s;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
}

.logo img { height: 40px; width: auto; }

.logo span { color: #C9A84C; }

.nav-links { display: flex; gap: 28px; }

.nav-links a {
  color: rgba(255,255,255,.85);
  font-size: .925rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: #C9A84C;
  transition: width .3s;
}

.nav-links a:hover, .nav-links a.active { color: #FFFFFF; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 26px; height: 3px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0B1D3A 0%, #1A5276 100%);
  color: #FFFFFF;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/hero-pattern.svg') center/cover no-repeat;
  opacity: .07;
}

.hero-content { position: relative; z-index: 2; padding: 120px 20px 80px; max-width: 800px; }

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-content h1 span { color: #C9A84C; }

.hero-content p {
  font-size: 1.2rem;
  opacity: .9;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Stats Bar (Home) ---------- */
.stats-bar {
  background: #0B1D3A;
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  color: #FFFFFF;
}

.stat-item h3 { font-size: 2.4rem; font-weight: 800; color: #C9A84C; }
.stat-item p { font-size: .95rem; margin-top: 4px; opacity: .8; }

/* ---------- Card Grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.card {
  background: #FFFFFF;
  border: 1px solid #E8ECF0;
  border-radius: 8px;
  padding: 36px 28px;
  transition: transform .3s, box-shadow .3s;
}

.card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,.08); }

.card-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: #EBF5FB;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 1.6rem;
  color: #1A5276;
}

.card h3 { font-size: 1.2rem; font-weight: 700; color: #0B1D3A; margin-bottom: 10px; }
.card p { font-size: .95rem; color: #5D6D7E; }

/* ---------- Feature / Two-Column ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.two-col-text h2 { font-size: 1.8rem; color: #0B1D3A; margin-bottom: 16px; }
.two-col-text p { color: #5D6D7E; margin-bottom: 16px; }

.two-col-image {
  border-radius: 12px;
  overflow: hidden;
  background: #EBF5FB;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: #1A5276;
}

/* ---------- Markets / World Map ---------- */
.market-regions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.region-card {
  background: linear-gradient(145deg, #0B1D3A, #1A5276);
  color: #FFFFFF;
  border-radius: 10px;
  padding: 36px 28px;
  transition: transform .3s;
}

.region-card:hover { transform: translateY(-4px); }
.region-card h3 { font-size: 1.3rem; margin-bottom: 12px; color: #C9A84C; }
.region-card p { opacity: .85; font-size: .95rem; }

/* ---------- Compliance ---------- */
.compliance-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.compliance-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #F4F6F9;
  padding: 24px;
  border-radius: 8px;
  border-left: 4px solid #1A5276;
}

.compliance-item .icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: #1A5276;
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 1.1rem;
}

.compliance-item h4 { font-size: 1.05rem; color: #0B1D3A; margin-bottom: 6px; }
.compliance-item p { font-size: .9rem; color: #5D6D7E; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, #0B1D3A, #1A5276);
  padding: 64px 0;
  text-align: center;
  color: #FFFFFF;
}

.cta-banner h2 { font-size: 2rem; margin-bottom: 16px; }
.cta-banner p { opacity: .85; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---------- Contact Form ---------- */
.contact-section {
  background: #F4F6F9;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h2 { font-size: 1.8rem; color: #0B1D3A; margin-bottom: 20px; }
.contact-info p { color: #5D6D7E; margin-bottom: 16px; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.contact-detail .icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: #1A5276;
  color: #FFFFFF;
  border-radius: 50%;
  font-size: .95rem;
  flex-shrink: 0;
}

.contact-detail span { color: #2C3E50; font-size: .95rem; }

.contact-form { background: #FFFFFF; padding: 36px; border-radius: 10px; box-shadow: 0 4px 20px rgba(0,0,0,.06); }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  color: #0B1D3A;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #D5DBDB;
  border-radius: 6px;
  font-size: .95rem;
  font-family: inherit;
  color: #2C3E50;
  background: #FAFBFC;
  transition: border-color .3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1A5276;
  box-shadow: 0 0 0 3px rgba(26,82,118,.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  background: linear-gradient(135deg, #0B1D3A, #1A5276);
  padding: 140px 0 60px;
  text-align: center;
  color: #FFFFFF;
}

.page-header h1 { font-size: 2.6rem; font-weight: 800; margin-bottom: 12px; }
.page-header p { font-size: 1.1rem; opacity: .85; max-width: 600px; margin: 0 auto; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0B1D3A;
  color: rgba(255,255,255,.75);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-col p { font-size: .9rem; line-height: 1.8; }
.footer-col a { display: block; margin-bottom: 10px; font-size: .9rem; transition: color .3s; }
.footer-col a:hover { color: #C9A84C; }

.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { max-width: 300px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: .825rem;
}

.footer-bottom a { color: #C9A84C; }

/* ---------- Disclaimer ---------- */
.disclaimer {
  background: #F4F6F9;
  padding: 20px 0;
  text-align: center;
  font-size: .82rem;
  color: #7F8C8D;
  border-top: 1px solid #E8ECF0;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px; height: 44px;
  background: #1A5276;
  color: #FFFFFF;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s, transform .3s;
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
}

.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: #C9A84C; transform: translateY(-3px); }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .hero-content h1 { font-size: 2.4rem; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: #0B1D3A;
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform .35s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,.3);
  }

  .nav-links.open { transform: translateY(0); }

  .menu-toggle { display: flex; }

  .hero-content h1 { font-size: 2rem; }
  .hero-content p { font-size: 1rem; }
  .section-title { font-size: 1.6rem; }
  .section-padding { padding: 56px 0; }
  .page-header { padding: 120px 0 48px; }
  .page-header h1 { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item h3 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.65rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Product table ---------- */
.product-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
  background: #FFFFFF;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
}

.product-table th {
  background: #0B1D3A;
  color: #FFFFFF;
  padding: 14px 20px;
  text-align: left;
  font-size: .9rem;
}

.product-table td {
  padding: 14px 20px;
  border-bottom: 1px solid #E8ECF0;
  font-size: .9rem;
  color: #2C3E50;
}

.product-table tr:hover td { background: #F4F6F9; }

/* ---------- Timeline (About) ---------- */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 3px;
  background: #1A5276;
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px; top: 6px;
  width: 14px; height: 14px;
  background: #C9A84C;
  border-radius: 50%;
  border: 3px solid #1A5276;
}

.timeline-item h4 { font-size: 1rem; color: #1A5276; margin-bottom: 4px; }
.timeline-item p { font-size: .925rem; color: #5D6D7E; }

/* ---------- Values Grid ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}

.value-item {
  text-align: center;
  padding: 32px 20px;
  background: #FFFFFF;
  border-radius: 10px;
  border: 1px solid #E8ECF0;
}

.value-item .icon {
  font-size: 2rem;
  margin-bottom: 16px;
  color: #1A5276;
}

.value-item h4 { font-size: 1.05rem; color: #0B1D3A; margin-bottom: 8px; }
.value-item p { font-size: .88rem; color: #5D6D7E; }