/* HYK Enterprises — SEO-optimized stylesheet
   Build: 2026-05-08 | Updated: 2026-05-08 — SS 310 + luxury fonts | Director 🎬 */

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #0B111E;
  background: #ffffff;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #12237B; text-decoration: none; transition: color 0.2s; }
a:hover { color: #0B111E; }
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-weight: 700;
  line-height: 1.2;
  color: #0B111E;
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(2rem, 4vw, 3.5rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.625rem, 3vw, 2.75rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }
ul, ol { margin: 0 0 1rem 1.5rem; }
li { margin-bottom: 0.25rem; }

/* ===== LAYOUT ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }
.section-sm { padding: 2.5rem 0; }
.section-dark { background: linear-gradient(135deg, #0B111E 0%, #162042 100%); color: #E8ECF0; }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #ffffff; }
.section-gray { background: #F5F6F8; }

/* ===== HEADER / NAV ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 22, 40, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(192, 192, 200, 0.15);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; max-width: 1280px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 0.625rem; font-family: 'Playfair Display', serif; font-weight: 800; font-size: 1.375rem; color: #ffffff; letter-spacing: 0.05em; }
.logo:hover { color: #D2D5D9; }
.logo-mark {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #D2D5D9 0%, #96999D 50%, #E8ECF0 100%);
  border-radius: 6px; font-weight: 900; color: #0B111E; font-size: 0.95rem;
}
.logo-img-el {
  width: 44px; height: 44px; object-fit: contain; border-radius: 6px;
  display: block; flex-shrink: 0;
}
.nav-menu { display: flex; list-style: none; margin: 0; padding: 0; gap: 0.25rem; align-items: center; }
.nav-menu li { margin: 0; position: relative; }
.nav-menu a { color: #E8ECF0; padding: 0.5rem 0.875rem; border-radius: 4px; font-size: 0.95rem; font-weight: 500; }
.nav-menu a:hover, .nav-menu a.active { background: rgba(255, 255, 255, 0.08); color: #ffffff; }
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0; min-width: 220px;
  background: #162042; border: 1px solid rgba(192, 192, 200, 0.2);
  border-radius: 6px; padding: 0.5rem 0; margin-top: 0.25rem; list-style: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li { margin: 0; }
.nav-dropdown-menu a { display: block; padding: 0.625rem 1.25rem; border-radius: 0; }

.nav-toggle { display: none; background: none; border: none; color: #ffffff; font-size: 1.5rem; cursor: pointer; padding: 0.5rem; }

.header-cta {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: #25d366; color: #fff; padding: 0.5rem 0.875rem; border-radius: 4px;
  font-weight: 600; font-size: 0.9rem;
}
.header-cta:hover { background: #1da851; color: #fff; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #0B111E 0%, #162042 60%, #1E314C 100%);
  color: #E8ECF0;
  padding: 5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(192, 192, 200, 0.08), transparent 50%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; position: relative; }
.hero h1 { color: #ffffff; font-size: clamp(2.25rem, 4.5vw, 3.5rem); margin-bottom: 1.25rem; }
.hero h1 .accent { background: linear-gradient(135deg, #D2D5D9, #ffffff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subheading { font-size: 1.25rem; color: #D2D5D9; margin-bottom: 2rem; max-width: 560px; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-img-wrap { position: relative; }
.hero-img-wrap img { border-radius: 10px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 1.5rem; border-radius: 6px;
  font-weight: 600; font-size: 1rem; border: 2px solid transparent;
  cursor: pointer; transition: all 0.2s; text-align: center; justify-content: center;
}
.btn-primary { background: #25d366; color: #ffffff; border-color: #25d366; }
.btn-primary:hover { background: #1da851; color: #ffffff; border-color: #1da851; transform: translateY(-1px); }
.btn-secondary { background: transparent; color: #ffffff; border-color: #D2D5D9; }
.btn-secondary:hover { background: #D2D5D9; color: #0B111E; }
.btn-dark { background: #0B111E; color: #ffffff; border-color: #0B111E; }
.btn-dark:hover { background: #162042; color: #ffffff; }
.btn-outline { background: transparent; color: #0B111E; border-color: #0B111E; }
.btn-outline:hover { background: #0B111E; color: #ffffff; }

/* ===== PAGE HEADER (non-home) ===== */
.page-header {
  background: linear-gradient(135deg, #0B111E 0%, #162042 100%);
  color: #E8ECF0; padding: 3.5rem 0 3rem; text-align: center;
}
.page-header h1 { color: #ffffff; margin-bottom: 0.75rem; }
.page-header .subtitle { color: #D2D5D9; font-size: 1.125rem; max-width: 720px; margin: 0 auto; }

/* ===== BREADCRUMBS ===== */
.breadcrumbs { background: #F5F6F8; padding: 0.875rem 0; font-size: 0.9rem; color: #565B63; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; gap: 0.5rem; }
.breadcrumbs li { margin: 0; display: inline-flex; align-items: center; gap: 0.5rem; }
.breadcrumbs li:not(:last-child)::after { content: '›'; color: #96999D; }
.breadcrumbs a { color: #12237B; }

/* ===== CARDS / GRIDS ===== */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: #ffffff; border: 1px solid #D6DAE1; border-radius: 10px; padding: 1.75rem;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(10, 22, 40, 0.1); border-color: #D2D5D9; }

.product-card { display: flex; flex-direction: column; height: 100%; }
.product-card .grade-badge {
  display: inline-block; background: linear-gradient(135deg, #0B111E, #12237B); color: #fff;
  padding: 0.25rem 0.75rem; border-radius: 4px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em;
  margin-bottom: 0.75rem; align-self: flex-start;
}
.product-card .grade-badge.grade-201 { background: linear-gradient(135deg, #565B63, #96999D); }
.product-card .grade-badge.grade-304 { background: linear-gradient(135deg, #0B111E, #12237B); }
.product-card .grade-badge.grade-316 { background: linear-gradient(135deg, #1E314C, #31455A); }
.product-card .grade-badge.grade-310 { background: linear-gradient(135deg, #6b3a00, #b8842e); }
.product-card h3 { margin-bottom: 0.5rem; }
.product-card ul { margin-bottom: 1rem; padding-left: 1.25rem; }
.product-card .card-link { margin-top: auto; font-weight: 600; color: #12237B; display: inline-flex; align-items: center; gap: 0.25rem; }

/* Feature/trust badges */
.feature-card { text-align: center; padding: 1.75rem 1rem; }
.feature-icon {
  width: 56px; height: 56px; margin: 0 auto 1rem; display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #D2D5D9, #E8ECF0); border-radius: 12px; font-size: 1.5rem;
}
.feature-card h3 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.feature-card p { color: #565B63; margin-bottom: 0; font-size: 0.95rem; }

/* ===== COMPARISON TABLE ===== */
.comparison-wrap { overflow-x: auto; margin: 1.5rem 0; }
.comparison-table {
  width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden;
  box-shadow: 0 4px 12px rgba(10, 22, 40, 0.06);
}
.comparison-table th, .comparison-table td { padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid #D6DAE1; }
.comparison-table th { background: #0B111E; color: #fff; font-weight: 700; font-size: 0.95rem; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:nth-child(even) td { background: #FAFBFC; }
.comparison-table td:first-child { font-weight: 600; color: #0B111E; }

/* ===== CTA SECTION ===== */
.cta-band {
  background: linear-gradient(135deg, #0B111E 0%, #12237B 100%);
  color: #fff; padding: 3.5rem 0; text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: 1rem; }
.cta-band p { color: #D2D5D9; font-size: 1.125rem; max-width: 640px; margin: 0 auto 2rem; }
.cta-band .hero-ctas { justify-content: center; }

/* ===== CONTENT / ARTICLE ===== */
.article-content { max-width: 780px; margin: 0 auto; }
.article-content h2 { margin-top: 2.5rem; padding-top: 0.5rem; }
.article-content h3 { margin-top: 1.75rem; }
.article-content ul, .article-content ol { margin-bottom: 1.25rem; }
.article-content blockquote {
  border-left: 4px solid #12237B; background: #F5F6F8;
  padding: 1rem 1.25rem; margin: 1.5rem 0; color: #0B111E; font-style: italic;
}
.article-meta { color: #565B63; font-size: 0.9rem; margin-bottom: 1.5rem; }

/* ===== FAQ ===== */
.faq-item { border: 1px solid #D6DAE1; border-radius: 8px; margin-bottom: 0.75rem; background: #fff; overflow: hidden; }
.faq-item summary {
  padding: 1rem 1.25rem; font-weight: 600; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  color: #0B111E; font-size: 1.05rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: #12237B; font-weight: 400; transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { border-bottom: 1px solid #D6DAE1; }
.faq-answer { padding: 1rem 1.25rem 1.25rem; color: #2a3345; }
.faq-answer p:last-child { margin-bottom: 0; }

/* ===== BLOG ===== */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.75rem; }
.blog-card { background: #fff; border: 1px solid #D6DAE1; border-radius: 10px; overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; }
.blog-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(10, 22, 40, 0.08); }
.blog-card .blog-body { padding: 1.5rem; }
.blog-card h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.blog-card h3 a { color: #0B111E; }
.blog-card h3 a:hover { color: #12237B; }
.blog-card .excerpt { color: #2a3345; font-size: 0.95rem; margin-bottom: 0.75rem; }
.blog-card .meta { color: #565B63; font-size: 0.85rem; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.contact-card { background: #fff; border: 1px solid #D6DAE1; border-radius: 10px; padding: 1.75rem; text-align: center; }
.contact-card h3 { margin-bottom: 0.5rem; }
.contact-card a { font-size: 1.05rem; font-weight: 600; word-break: break-all; }
.contact-icon { font-size: 2rem; margin-bottom: 0.75rem; display: block; }

/* ===== FOOTER ===== */
.site-footer {
  background: #0B111E; color: #D2D5D9; padding: 3.5rem 0 1.5rem; margin-top: 3rem;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.site-footer h4 { color: #ffffff; margin-bottom: 1rem; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a { color: #D2D5D9; font-size: 0.95rem; }
.site-footer a:hover { color: #ffffff; }
.footer-about p { font-size: 0.95rem; line-height: 1.7; margin-bottom: 1rem; }
.footer-bottom { border-top: 1px solid rgba(192, 192, 200, 0.15); padding-top: 1.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 0.875rem; color: #96999D; }

/* ===== WHATSAPP FLOATING ===== */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  background: #25d366; color: #fff; width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  font-size: 1.75rem; transition: transform 0.2s;
}
.whatsapp-float:hover { background: #1da851; color: #fff; transform: scale(1.1); }

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.lead { font-size: 1.15rem; color: #2a3345; }
.badge { display: inline-block; background: #D6DAE1; color: #0B111E; padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.8rem; font-weight: 600; }
.highlight-box { background: linear-gradient(135deg, #F5F6F8 0%, #D6DAE1 100%); border-left: 4px solid #12237B; padding: 1.25rem 1.5rem; border-radius: 6px; margin: 1.5rem 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .nav-toggle { display: block; }
  .nav-menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 1rem;
    background: #0B111E; border-top: 1px solid rgba(192, 192, 200, 0.15);
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu a { display: block; padding: 0.75rem 1rem; }
  .nav-dropdown-menu { position: static; display: block; background: transparent; border: none; box-shadow: none; padding: 0 0 0 1rem; margin: 0; }
  .nav-dropdown-menu a { padding: 0.5rem 1rem; font-size: 0.9rem; }
  .header-cta { margin-top: 0.5rem; width: 100%; justify-content: center; }
}

@media (max-width: 600px) {
  .section { padding: 2.75rem 0; }
  .hero { padding: 3rem 0 2.5rem; }
  .container { padding: 0 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .whatsapp-float { width: 52px; height: 52px; font-size: 1.5rem; bottom: 16px; right: 16px; }
}

/* ===== SS 310 PAGE SPECIFIC ===== */
.page-header-310 {
  background: linear-gradient(135deg, #0B111E 0%, #1E314C 40%, #6b3a00 100%);
}
.grade-label-luxury {
  display: inline-block;
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #c8a057;
  border: 1px solid rgba(200,160,87,0.4);
  padding: 0.3rem 1rem;
  border-radius: 3px;
  margin-bottom: 1.25rem;
  display: inline-block;
}

/* Stats band */
.stats-band {
  background: linear-gradient(90deg, #0B111E 0%, #162042 50%, #0B111E 100%);
  padding: 2rem 0;
  border-top: 1px solid rgba(200,160,87,0.25);
  border-bottom: 1px solid rgba(200,160,87,0.25);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  text-align: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem;
  border-right: 1px solid rgba(200,160,87,0.15);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: #c8a057;
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: #D2D5D9;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Product form cards */
.product-forms-grid { margin-top: 1.5rem; }
.product-form-card {
  border-top: 3px solid #c8a057;
}
.form-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}

/* Industries grid */
.industries-section { padding: 3rem 0; }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}
.industry-card {
  border-radius: 10px;
  overflow: hidden;
  background: #0B111E;
  box-shadow: 0 6px 20px rgba(10,22,40,0.15);
  transition: transform 0.2s, box-shadow 0.2s;
}
.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(10,22,40,0.22);
}
.industry-img-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.industry-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}
.industry-card:hover .industry-img-wrap img {
  transform: scale(1.05);
}
.industry-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.1rem;
  background: linear-gradient(90deg, #0B111E 0%, #162042 100%);
  color: #E8ECF0;
  font-weight: 600;
  font-size: 0.95rem;
  border-top: 2px solid rgba(200,160,87,0.35);
}
.industry-icon { font-size: 1.25rem; }

/* ===== PRINT ===== */
@media print {
  .site-header, .site-footer, .whatsapp-float, .hero-ctas { display: none; }
  body { color: #000; }
}