/* ==========================================================================
   Vishnu Balaji Global - Shared Design System & Component Library
   ========================================================================== */

:root {
  --primary: #051630;
  --primary-light: #0d274c;
  --primary-dark: #020b18;
  --accent: #d4af37;
  --accent-hover: #f3cf58;
  --accent-light: #fdf6e2;
  --white: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #94a3b8;
  --text-light: #f1f5f9;
  --bg-dark: #060e1d;
  --bg-darker: #030710;
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --gold-border: rgba(212, 175, 55, 0.35);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --gold-gradient: linear-gradient(135deg, #ffe082 0%, #d4af37 50%, #b38f24 100%);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--accent-hover);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(5, 22, 48, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  z-index: 1000;
  padding: 14px 0;
  transition: all 0.3s ease;
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.site-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.site-logo-text h1,
.site-logo-text .brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}

.site-logo-text span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav.main-nav a {
  color: #cbd5e1;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--accent);
}

.nav-cta {
  background: var(--gold-gradient);
  color: var(--primary-dark) !important;
  font-weight: 700 !important;
  padding: 8px 18px;
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ==========================================================================
   Breadcrumb Bar
   ========================================================================== */
.breadcrumbs-bar {
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--card-border);
  padding: 12px 0;
  font-size: 0.85rem;
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumbs-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.breadcrumbs-list a {
  color: var(--text-muted);
}

.breadcrumbs-list a:hover {
  color: var(--accent);
}

.breadcrumbs-list .current {
  color: var(--accent);
  font-weight: 600;
}

/* ==========================================================================
   Page Hero Banner
   ========================================================================== */
.page-hero {
  position: relative;
  padding: 60px 0 50px;
  background: radial-gradient(circle at 50% 0%, rgba(13, 39, 76, 0.8) 0%, var(--bg-dark) 80%);
  border-bottom: 1px solid var(--card-border);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--gold-border);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.page-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.page-hero .hero-subtitle {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 800px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-meta-item i {
  color: var(--accent);
}

/* ==========================================================================
   Product Layout & Content Grid
   ========================================================================== */
.content-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  padding: 50px 0;
}

.main-column {
  min-width: 0;
}

.sidebar-column {
  min-width: 0;
}

.content-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}

.content-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.01em;
}

.content-card h2 i {
  color: var(--accent);
  font-size: 1.3rem;
}

.content-card h3 {
  font-size: 1.25rem;
  color: var(--accent);
  margin: 24px 0 12px;
}

.content-card p {
  color: #cbd5e1;
  margin-bottom: 16px;
}

.content-card ul {
  list-style: none;
  margin-bottom: 20px;
}

.content-card ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: #cbd5e1;
}

.content-card ul li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.9rem;
}

/* ==========================================================================
   Product Image Showcase
   ========================================================================== */
.product-showcase-box {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  margin-bottom: 32px;
  position: relative;
  background: #000;
}

.product-showcase-box img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.product-showcase-box:hover img {
  transform: scale(1.02);
}

.showcase-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(5, 22, 48, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--gold-border);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
}

/* ==========================================================================
   Specifications Table
   ========================================================================== */
.specs-table-wrapper {
  overflow-x: auto;
  margin: 20px 0;
  border-radius: 8px;
  border: 1px solid var(--card-border);
}

table.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

table.specs-table th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}

table.specs-table td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: #cbd5e1;
}

table.specs-table tr:last-child td {
  border-bottom: none;
}

table.specs-table tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.015);
}

table.specs-table td.spec-name {
  font-weight: 600;
  color: var(--white);
  width: 32%;
}

/* ==========================================================================
   Sidebar RFQ Form & Sticky Card
   ========================================================================== */
.sticky-sidebar {
  position: sticky;
  top: 90px;
}

.sidebar-rfq-card {
  background: linear-gradient(180deg, rgba(13, 39, 76, 0.6) 0%, rgba(5, 22, 48, 0.9) 100%);
  border: 1px solid var(--gold-border);
  border-radius: 12px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.sidebar-rfq-card h3 {
  font-size: 1.35rem;
  color: var(--white);
  margin-bottom: 8px;
  font-weight: 700;
}

.sidebar-rfq-card p.rfq-subtitle {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  color: var(--white);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-submit-rfq {
  width: 100%;
  padding: 13px;
  background: var(--gold-gradient);
  border: none;
  border-radius: 6px;
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 10px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.3);
}

.btn-submit-rfq:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

.direct-contact-box {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--card-border);
  font-size: 0.85rem;
}

.direct-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: #cbd5e1;
}

.direct-contact-item i {
  color: var(--accent);
  width: 18px;
}

/* ==========================================================================
   FAQ Accordions
   ========================================================================== */
.faq-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-question {
  padding: 16px 20px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-answer {
  padding: 0 20px 16px;
  color: #cbd5e1;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer.site-footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--card-border);
  padding: 60px 0 30px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-col p {
  color: #cbd5e1;
  margin-bottom: 16px;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #94a3b8;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.footer-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: #cbd5e1;
}

.footer-badge-item i {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  color: #64748b;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: #94a3b8;
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .content-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-container {
    position: relative;
  }

  nav.main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(5, 22, 48, 0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--card-border);
  }

  nav.main-nav.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .page-hero h1 {
    font-size: 1.85rem;
  }

  .product-showcase-box img {
    height: 260px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}