/*
Theme Name: YK Textile - Jacquard Fabric Manufacturer
Theme URI: https://www.yktextile.com/
Author: Accio AI
Author URI: https://www.accio.com/
Description: A lightweight, ultra-fast, responsive B2B WordPress theme designed specifically for YK Textile (Est. 2007). Tailored for jacquard fabric manufacturing with water-jet, air-jet, and rapier loom showcases, product filtering by composition & application, and low server resource consumption.
Version: 1.0.0
Requires at least: 5.6
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yk-textile
Tags: b2b, textile, manufacturing, jacquard, custom-theme, lightweight, fast-loading, responsive-layout
*/

/* Reset & CSS Variables */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Times New Roman", Times, Georgia, serif;
  --color-primary: #111827;      /* Deep obsidian slate */
  --color-primary-light: #1f2937;
  --color-accent: #c5a059;       /* Elegant champagne gold */
  --color-accent-hover: #b08d46;
  --color-text-main: #374151;
  --color-text-muted: #6b7280;
  --color-bg-light: #f9fafb;
  --color-bg-card: #ffffff;
  --color-border: #e5e7eb;
  --color-border-subtle: #f3f4f6;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --container-max: 1200px;
  --transition: all 0.25s ease-in-out;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: #ffffff;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography Helpers */
.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-primary);
}

.site-logo .badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  background: var(--color-border-subtle);
  color: var(--color-accent);
  border-radius: 4px;
  border: 1px solid var(--color-border);
  letter-spacing: 0.05em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-main);
}

.nav-link:hover {
  color: var(--color-accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-accent {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-primary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 5rem 0 4.5rem;
  background: linear-gradient(135deg, #0d131f 0%, #172338 100%);
  color: #ffffff;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.07;
  background-image: radial-gradient(#ffffff 1px, transparent 1px), radial-gradient(#c5a059 1px, #0d131f 1px);
  background-size: 24px 24px;
  background-position: 0 0, 12px 12px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid rgba(197, 160, 89, 0.35);
  color: #e5c382;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.hero-title span {
  color: var(--color-accent);
}

.hero-desc {
  font-size: 1.2rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: 2.25rem;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats-bar {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-item h4 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-item p {
  font-size: 0.875rem;
  color: #94a3b8;
  font-weight: 500;
}

/* Capabilities & Looms Section */
.section-looms {
  padding: 5.5rem 0;
  background-color: var(--color-bg-light);
}

.loom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.loom-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.loom-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.loom-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: rgba(197, 160, 89, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.loom-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.loom-focus-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.loom-desc {
  font-size: 0.9375rem;
  color: var(--color-text-main);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.loom-specs {
  border-top: 1px dashed var(--color-border);
  padding-top: 1rem;
  font-size: 0.875rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.spec-label {
  color: var(--color-text-muted);
}

.spec-val {
  font-weight: 600;
  color: var(--color-primary);
}

/* Products Section & Dual-View Tabs */
.section-products {
  padding: 5.5rem 0;
}

.tab-nav-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.tab-switch {
  display: inline-flex;
  padding: 0.35rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.tab-btn {
  padding: 0.65rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: #ffffff;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.product-tab-pane {
  display: none;
}

.product-tab-pane.active {
  display: block;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #ffffff;
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.product-visual {
  height: 180px;
  background: linear-gradient(135deg, #1e293b, #334155);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  color: #ffffff;
  overflow: hidden;
}

.product-visual-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-size: 20px 20px;
  background-image: repeating-linear-gradient(45deg, #fff 0, #fff 1px, transparent 0, transparent 50%);
}

.product-visual-badge {
  position: relative;
  z-index: 2;
  text-align: center;
}

.product-visual-badge span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
}

.product-visual-badge h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.product-body {
  padding: 1.5rem;
}

.product-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.product-body p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.product-tag {
  font-size: 0.75rem;
  background: var(--color-bg-light);
  color: var(--color-text-main);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

/* About / Manufacturing Edge */
.section-about {
  padding: 5.5rem 0;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.about-text p {
  font-size: 1rem;
  color: var(--color-text-main);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.values-list {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.value-box {
  background: #ffffff;
  padding: 1.25rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.value-box h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.value-box h4 svg {
  color: var(--color-accent);
}

.value-box p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

.about-card-panel {
  background: var(--color-primary);
  color: #ffffff;
  padding: 2.5rem;
  border-radius: 12px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.about-card-panel h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.flow-step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.flow-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.flow-step-content h5 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #f3f4f6;
  margin-bottom: 0.2rem;
}

.flow-step-content p {
  font-size: 0.8125rem;
  color: #94a3b8;
  line-height: 1.4;
}

/* Contact / RFQ Section */
.section-contact {
  padding: 5.5rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-item-text h5 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.15rem;
}

.contact-item-text p {
  font-size: 0.9375rem;
  color: var(--color-text-main);
  margin-bottom: 0;
}

.form-box {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-text-main);
  background-color: #ffffff;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #94a3b8;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-primary-light);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: #94a3b8;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .loom-grid, .product-grid {
    grid-template-columns: 1fr;
  }
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-btn {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .main-nav.mobile-active .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #ffffff;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    gap: 1.25rem;
  }
  .hero-section {
    padding: 3.5rem 0;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .values-list {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}