/*
Theme Name: iSoftGlass
Theme URI: https://isoftglass.com
Author: iSoftGlass Team
Description: Official theme for iSoftGlass – ERP for the Glass Industry. Includes custom header, footer and blog templates.
Version: 1.0.0
License: Proprietary
Text Domain: isoftglass
*/

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #2563eb;
  --dark: #0f172a;
  --dark-secondary: #1e293b;
  --text: #334155;
  --text-light: #64748b;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --border-radius: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
  --content-width: 760px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== WORDPRESS ADMIN BAR ===== */
body.admin-bar .header { top: 32px; }
@media screen and (max-width: 782px) {
  body.admin-bar .header { top: 46px; }
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--dark);
  flex-shrink: 0;
}
.logo img { height: 40px; width: auto; }
.logo span { color: var(--primary); }
.logo-tagline { font-size: 0.55rem; font-weight: 400; color: var(--text-light); letter-spacing: 0.1em; text-transform: uppercase; margin-top: -3px; }

.nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary-light); }
.nav-link .chevron { width: 16px; height: 16px; transition: transform 0.2s ease; }
.nav-item:hover .chevron { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%; left: 0;
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text);
  border-radius: 6px;
  transition: var(--transition);
  text-decoration: none;
}
.dropdown-link:hover { background: var(--primary-light); color: var(--primary); }
.dropdown-icon { display: flex; align-items: center; flex-shrink: 0; color: var(--primary); opacity: 0.75; }
.dropdown-link:hover .dropdown-icon { opacity: 1; }

.header-actions { display: flex; align-items: center; gap: 12px; }

/* Language Switcher */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  font-size: 0.8rem; font-weight: 600;
  color: var(--text);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
}
.lang-btn:hover { background: var(--gray-200); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 4px); right: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  padding: 4px;
  display: none;
  min-width: 155px;
  z-index: 100;
  max-height: 340px;
  overflow-y: auto;
}
.lang-dropdown.active { display: block; }
.lang-dropdown::-webkit-scrollbar { width: 4px; }
.lang-dropdown::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 4px; }
.lang-dropdown::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }

.lang-option {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  font-size: 0.8rem; font-weight: 500;
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  border: none; background: none;
  width: 100%; text-align: left;
}
.lang-option:hover { background: var(--primary-light); color: var(--primary); }
.lang-option.active { color: var(--primary); font-weight: 600; }

.header-cta {
  display: inline-flex;
  padding: 8px 20px;
  font-size: 0.85rem; font-weight: 600;
  color: var(--white);
  background: var(--primary);
  border: none; border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.header-cta:hover { background: var(--primary-dark); box-shadow: var(--shadow-md); color: var(--white); }

.mobile-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.mobile-toggle span {
  width: 24px; height: 2px;
  background: var(--dark); border-radius: 2px;
  transition: var(--transition);
}

/* ===== MAIN CONTENT OFFSET ===== */
#main { padding-top: 72px; flex: 1; }
.front-page #main { padding-top: 0; }

/* ===== PAGE HERO ===== */
.page-hero {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 56px 0 48px;
  text-align: center;
}
.page-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px;
  background: var(--primary-light); color: var(--primary);
  font-size: 0.75rem; font-weight: 600;
  border-radius: 50px;
  margin-bottom: 16px;
  border: 1px solid rgba(37,99,235,0.15);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.page-hero-title {
  font-size: 2.5rem; font-weight: 800;
  color: var(--dark);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.page-hero-title span { color: var(--primary); }
.page-hero-sub {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 520px; margin: 0 auto;
  line-height: 1.7;
}

/* ===== BLOG LISTING ===== */
.blog-section {
  padding: 64px 0 100px;
  background: var(--white);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.blog-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.blog-card-img-wrap { overflow: hidden; height: 200px; }
.blog-card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.blog-card:hover .blog-card-img-wrap img { transform: scale(1.04); }
.blog-card-img-placeholder {
  width: 100%; height: 200px;
  background: linear-gradient(135deg, var(--primary-light) 0%, #bfdbfe 100%);
  display: flex; align-items: center; justify-content: center;
}
.blog-card-img-placeholder svg { width: 48px; height: 48px; color: var(--primary); opacity: 0.4; }

.blog-card-body {
  padding: 24px;
  display: flex; flex-direction: column; flex: 1;
}

.blog-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }

.blog-card-category {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  background: var(--primary-light); color: var(--primary);
  font-size: 0.72rem; font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.blog-card-date { font-size: 0.78rem; color: var(--text-light); }

.blog-card-title {
  font-size: 1.05rem; font-weight: 700;
  color: var(--dark); line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card:hover .blog-card-title a { color: var(--primary); }
.blog-card-title a { color: inherit; }

.blog-card-excerpt {
  font-size: 0.875rem; color: var(--text-light);
  line-height: 1.6; flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 20px;
}

.blog-card-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.85rem; font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.blog-card-link svg { width: 16px; height: 16px; transition: transform 0.2s ease; }
.blog-card:hover .blog-card-link svg { transform: translateX(4px); }

/* Pagination */
.blog-pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; margin-top: 56px;
}
.blog-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 8px;
  font-size: 0.875rem; font-weight: 600;
  color: var(--text);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.blog-pagination .page-numbers:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.blog-pagination .page-numbers.current { background: var(--primary); color: var(--white); border-color: var(--primary); }
.blog-pagination .page-numbers.dots { border: none; background: none; }

/* ===== ARCHIVE HEADER ===== */
.archive-header {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 48px 0 40px;
}
.archive-label {
  font-size: 0.75rem; font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.archive-title {
  font-size: 2rem; font-weight: 800;
  color: var(--dark); letter-spacing: -0.02em;
}

/* ===== SINGLE POST ===== */
.article-hero {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: var(--dark);
}
.article-hero img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.6;
}
.article-hero-placeholder {
  height: 420px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%);
}

.article-header {
  padding: 48px 0 0;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 48px;
}
.article-header .container { max-width: var(--content-width); }
.article-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-light);
  margin-bottom: 20px;
}
.article-breadcrumb a { color: var(--primary); }
.article-breadcrumb svg { width: 12px; height: 12px; }

.article-category {
  display: inline-flex; align-items: center;
  padding: 4px 12px;
  background: var(--primary-light); color: var(--primary);
  font-size: 0.75rem; font-weight: 600;
  border-radius: 50px;
  margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.article-title {
  font-size: 2.25rem; font-weight: 800;
  color: var(--dark); line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.article-meta {
  display: flex; align-items: center; gap: 20px;
  padding-bottom: 32px;
  font-size: 0.85rem; color: var(--text-light);
  flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: 6px; }
.article-meta svg { width: 14px; height: 14px; }

/* Article content typography */
.article-body { max-width: var(--content-width); margin: 0 auto; padding: 0 24px 80px; }
.entry-content { font-size: 1.05rem; line-height: 1.8; color: var(--text); }
.entry-content h2 {
  font-size: 1.65rem; font-weight: 700; color: var(--dark);
  margin: 48px 0 20px; letter-spacing: -0.01em; line-height: 1.3;
}
.entry-content h3 {
  font-size: 1.3rem; font-weight: 700; color: var(--dark);
  margin: 36px 0 16px; line-height: 1.35;
}
.entry-content h4 {
  font-size: 1.1rem; font-weight: 600; color: var(--dark);
  margin: 28px 0 12px;
}
.entry-content p { margin-bottom: 24px; }
.entry-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.entry-content a:hover { color: var(--primary-dark); }
.entry-content ul, .entry-content ol { margin: 0 0 24px 24px; }
.entry-content ul li { list-style: disc; margin-bottom: 8px; }
.entry-content ol li { list-style: decimal; margin-bottom: 8px; }
.entry-content blockquote {
  margin: 32px 0;
  padding: 24px 28px;
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  border-radius: 0 8px 8px 0;
  font-size: 1.1rem; font-style: italic; color: var(--dark-secondary);
}
.entry-content blockquote p { margin-bottom: 0; }
.entry-content pre, .entry-content code {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.9rem;
  background: var(--gray-100); border-radius: 6px;
}
.entry-content code { padding: 2px 6px; }
.entry-content pre { padding: 20px 24px; overflow-x: auto; margin-bottom: 24px; }
.entry-content pre code { background: none; padding: 0; }
.entry-content img {
  max-width: 100%; border-radius: 10px;
  margin: 32px auto; box-shadow: var(--shadow-md);
}
.entry-content figure { margin: 32px 0; }
.entry-content figcaption {
  text-align: center; font-size: 0.85rem;
  color: var(--text-light); margin-top: 10px; font-style: italic;
}
.entry-content table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.entry-content th, .entry-content td {
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  text-align: left; font-size: 0.9rem;
}
.entry-content th { background: var(--gray-100); font-weight: 600; color: var(--dark); }
.entry-content tr:hover td { background: var(--gray-50); }
.entry-content hr { border: none; border-top: 1px solid var(--gray-200); margin: 40px 0; }

/* Article tags */
.article-tags {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
  max-width: var(--content-width); margin: 0 auto;
  padding: 0 24px 48px;
}
.article-tags-label { font-size: 0.8rem; font-weight: 600; color: var(--text-light); }
.article-tag {
  display: inline-flex; align-items: center;
  padding: 4px 12px;
  background: var(--gray-100); color: var(--text-light);
  font-size: 0.8rem; font-weight: 500;
  border-radius: 50px;
  transition: var(--transition);
}
.article-tag:hover { background: var(--primary-light); color: var(--primary); }

/* Post CTA */
.post-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 64px 0;
  text-align: center;
}
.post-cta h3 {
  font-size: 1.75rem; font-weight: 800;
  color: var(--white); margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.post-cta p {
  font-size: 1rem; color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
}
.post-cta .btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  font-size: 0.95rem; font-weight: 700;
  border-radius: 8px;
  cursor: pointer; transition: var(--transition); border: none;
}
.post-cta .btn-white { background: var(--white); color: var(--primary); }
.post-cta .btn-white:hover { background: var(--gray-100); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.post-cta .btn svg { width: 18px; height: 18px; }

/* ===== PAGE CONTENT ===== */
.page-section { padding: 64px 0 100px; }
.page-section .container { max-width: var(--content-width); }
.page-content-title {
  font-size: 2rem; font-weight: 800;
  color: var(--dark); letter-spacing: -0.02em;
  margin-bottom: 32px; line-height: 1.25;
}

/* ===== 404 PAGE ===== */
.error-section {
  min-height: 60vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 80px 24px;
}
.error-code {
  font-size: 8rem; font-weight: 800;
  color: var(--primary-light); line-height: 1;
  margin-bottom: 8px; letter-spacing: -0.04em;
}
.error-title { font-size: 1.75rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.error-text { font-size: 1rem; color: var(--text-light); margin-bottom: 32px; }
.btn-back {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  font-size: 0.95rem; font-weight: 600;
  color: var(--white); background: var(--primary);
  border-radius: 8px; cursor: pointer; transition: var(--transition); border: none;
}
.btn-back:hover { background: var(--primary-dark); color: var(--white); }

/* ===== FOOTER ===== */
.footer { padding: 64px 0 32px; background: var(--dark); color: var(--gray-300); }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand p {
  font-size: 0.875rem; line-height: 1.7;
  margin-top: 16px; color: var(--gray-300); max-width: 300px;
}
.footer-title {
  font-size: 0.85rem; font-weight: 700;
  color: var(--white); margin-bottom: 20px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 0.875rem; color: var(--gray-300); transition: var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.8rem; color: var(--text-light);
}
.footer-legal-links { display: flex; align-items: center; gap: 20px; }
.footer-legal-links a { font-size: 0.78rem; color: var(--gray-400); text-decoration: none; transition: var(--transition); }
.footer-legal-links a:hover { color: var(--white); }
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: 8px; color: var(--gray-300);
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: var(--white); }
.footer-social a svg { width: 18px; height: 18px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .article-title { font-size: 1.85rem; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .mobile-toggle { display: flex; }

  .nav.mobile-open {
    display: flex; flex-direction: column;
    position: fixed; top: 72px; left: 0;
    width: 100%; background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    padding: 16px 24px 24px; z-index: 999;
  }
  .nav.mobile-open .nav-list { flex-direction: column; width: 100%; gap: 0; }
  .nav.mobile-open .nav-link { padding: 12px 16px; width: 100%; justify-content: space-between; }
  .nav.mobile-open .dropdown {
    position: static; box-shadow: none; border: none;
    padding: 0 0 0 16px;
    opacity: 1; visibility: visible; transform: none; display: none;
  }
  .nav.mobile-open .nav-item.open .dropdown { display: block; }
  .nav.mobile-open .mobile-nav-cta {
    display: flex; flex-direction: column; gap: 12px;
    margin-top: 16px; padding-top: 16px;
    border-top: 1px solid var(--gray-200);
  }
  body.admin-bar .nav.mobile-open { top: 114px; }

  .page-hero-title { font-size: 1.75rem; }
  .article-hero { height: 260px; }
  .article-title { font-size: 1.5rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .error-code { font-size: 5rem; }
  .entry-content h2 { font-size: 1.35rem; }
  .entry-content h3 { font-size: 1.15rem; }
}

@media (max-width: 480px) {
  .page-hero-title { font-size: 1.5rem; }
  .article-title { font-size: 1.35rem; }
  .post-cta h3 { font-size: 1.4rem; }
}