@import url("/assets/fonts/inter.css");

/* ==========================================================================
   Badminton OEM Design System - Pure Color Minimalist B2B Industrial Aesthetic
   100% Faithful Benchmark of badmintonoem.com (跃动节拍) Design Language
   ========================================================================== */

:root {
  /* Surface & Base (Pure Color Minimalist System) */
  --bg-deep: #FFFFFF;
  --bg-main: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFAFA;
  --bg-pure: #FFFFFF;
  --bg-surface: #F8FAFC;
  --bg-surface-alt: #F1F5F9;

  /* Typography */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Brand Accents */
  --accent-primary: #0284C7;
  --accent-primary-hover: #0369A1;
  --accent-gold-bright: #F59E0B;
  --accent-gold: #D97706;
  --accent-emerald: #10B981;
  --accent-emerald-light: #ECFDF5;

  /* Ink & Typography Colors */
  --text-pure: #000000;
  --text-main: #0F172A;
  --text-dark: #0F172A;
  --text-sub: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  /* Borders & Focus */
  --border-light: #E2E8F0;
  --border-card: #CBD5E1;
  --border-subtle: #E2E8F0;
  --border-focus: #0284C7;
  --border-glow: rgba(2, 132, 199, 0.25);

  /* Geometry Metrics */
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  --container-max: 1200px;

  /* Shadows */
  --shadow-subtle: 0 4px 15px rgba(15, 23, 42, 0.03);
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 12px 28px rgba(15, 23, 42, 0.08);
  --shadow-modal: 0 20px 50px rgba(15, 23, 42, 0.18);
  --product-image-ratio: 4 / 3.2;
}

/* Global CSS Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body {
  position: relative;
  overflow-x: clip;
  width: 100%;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.65;
  padding-top: var(--header-height, 72px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  word-break: break-word;
  overflow-wrap: break-word;
}

main {
  width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

p {
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.65;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--accent-primary-hover);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Layout Utilities */
.container, .shell {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.desktop-only { display: flex !important; }
.mobile-only { display: none !important; }

.skip-link {
  position: absolute;
  z-index: 2000;
  top: -100px;
  left: 20px;
  padding: 10px 18px;
  background: var(--accent-primary);
  color: #FFFFFF;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 15px;
}

/* ==========================================================================
   Header & Navigation (badmintonoem.com pure minimalist style)
   ========================================================================== */

.main-header, .site-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  height: var(--header-height, 72px) !important;
  min-height: var(--header-height, 72px) !important;
  z-index: 1000 !important;
  background: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light) !important;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04) !important;
  display: flex !important;
  align-items: center !important;
  padding: 0 !important;
  margin: 0 !important;
  box-sizing: border-box !important;
}

.header-inner {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  height: 100% !important;
  gap: 1.5rem !important;
}

.brand-logo, .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
  z-index: 2;
}

.brand-mark {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  width: 30px;
  height: 30px;
  padding: 4px;
  background: linear-gradient(135deg, #0F172A 0%, #0284C7 100%);
  border-radius: 7px;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.2);
}

.brand-mark span {
  width: 4.5px;
  background: #FFFFFF;
  border-radius: 3px 3px 1px 1px;
}
.brand-mark span:nth-child(1) { height: 14px; transform: rotate(-10deg); opacity: 0.85; }
.brand-mark span:nth-child(2) { height: 22px; }
.brand-mark span:nth-child(3) { height: 14px; transform: rotate(10deg); opacity: 0.85; }

.brand-word {
  display: flex;
  flex-direction: column;
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--text-dark);
}

.brand-word span {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
}

.nav-links, .primary-nav {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 2.5rem !important;
  flex-wrap: nowrap !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
  position: absolute !important;
  left: 50% !important;
  top: 50% !important;
  transform: translate(-50%, -50%) !important;
  margin: 0 !important;
  padding: 0 !important;
  z-index: 1 !important;
}

.nav-item, .primary-nav a {
  color: #1E293B;
  text-decoration: none;
  font-size: 0.96rem;
  font-weight: 500;
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: -0.01em;
}

.nav-item::after, .primary-nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px;
  transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-item:hover, .nav-item.active,
.primary-nav a:hover, .primary-nav a[aria-current="page"] {
  color: var(--accent-primary);
}

.nav-item:hover::after, .nav-item.active::after,
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after {
  width: 100%;
}

.header-cta {
  display: none !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Mobile Hamburger & Drawer */
.mobile-menu-btn, .menu-toggle {
  display: none;
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  flex-shrink: 0;
}
.hamburger-line, .menu-toggle span {
  width: 18px;
  height: 2px;
  background-color: #0F172A;
  border-radius: 1px;
}

/* ==========================================================================
   Buttons (badmintonoem.com style)
   ========================================================================== */

.btn, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.35rem;
  min-height: 44px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  user-select: none;
  font-family: var(--font-body);
}

.btn:hover, .button:hover {
  transform: translateY(-1px);
}

.btn-primary, .button-solid {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%) !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32), 0 4px 16px rgba(2, 132, 199, 0.38) !important;
}

.btn-primary:hover, .button-solid:hover {
  background: linear-gradient(135deg, #0369a1 0%, #0284c7 100%) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 8px 24px rgba(2, 132, 199, 0.52) !important;
}

.btn-outline, .button-outline {
  background: rgba(255, 255, 255, 0.12) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #FFFFFF !important;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.32) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.24) !important;
}

.btn-outline:hover, .button-outline:hover {
  background: rgba(255, 255, 255, 0.24) !important;
  border-color: rgba(255, 255, 255, 0.72) !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3) !important;
}

.btn-lg {
  min-height: 52px;
  padding: 0.9rem 2.25rem;
  font-size: 1rem;
}

/* ==========================================================================
   Hero Section (100% Full-Viewport Cover & badmintonoem.com style)
   ========================================================================== */

.hero-section, .home-hero {
  position: relative;
  width: 100%;
  margin: 0 0 3.5rem 0;
  padding: 0;
  overflow: hidden;
  background: #0B1120;
  min-height: calc(100vh - var(--header-height, 72px));
  min-height: calc(100dvh - var(--header-height, 72px));
  display: flex;
  align-items: center;
  contain: layout style;
  box-sizing: border-box;
}

.hero-media-wrapper, .hero-bg-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 13, 26, 0.90) 0%, rgba(7, 13, 26, 0.76) 45%, rgba(7, 13, 26, 0.35) 75%, rgba(7, 13, 26, 0.08) 100%);
  z-index: 2;
}

[dir="rtl"] .hero-overlay {
  background: linear-gradient(270deg, rgba(7, 13, 26, 0.90) 0%, rgba(7, 13, 26, 0.76) 45%, rgba(7, 13, 26, 0.35) 75%, rgba(7, 13, 26, 0.08) 100%);
}

.hero-container {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 3.5rem 4rem;
  box-sizing: border-box;
}

.hero-content {
  max-width: 860px;
  color: #FFFFFF;
}

.hero-badge-wrap {
  display: none !important;
}

.hero-title, .hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #FFFFFF;
  margin: 0 0 1.25rem 0;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
  text-wrap: balance;
}

.hero-title em, .hero-copy h1 em {
  font-style: normal;
  color: #38BDF8;
}

.hero-desc, .hero-lead {
  font-size: clamp(1.05rem, 1.35vw, 1.22rem);
  line-height: 1.65;
  color: rgba(248, 250, 252, 0.94);
  max-width: 780px;
  margin: 0 0 2.25rem 0;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  text-wrap: pretty;
}

.hero-actions, .actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}

.hero-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  padding: 0.95rem 2.25rem;
  min-height: 54px;
  letter-spacing: -0.01em;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.hero-actions .btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32), 0 4px 18px rgba(2, 132, 199, 0.38);
}

.hero-actions .btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #0284c7 100%);
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 8px 24px rgba(2, 132, 199, 0.55);
}

.hero-actions .btn-outline {
  background: rgba(255, 255, 255, 0.12) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #FFFFFF !important;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.32) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.hero-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.22) !important;
  border-color: rgba(255, 255, 255, 0.6) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.hero-guarantee-strip {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  flex-wrap: wrap;
}

.hero-guarantee-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-guarantee-item svg {
  color: #38BDF8;
  flex-shrink: 0;
}

/* ==========================================================================
   Factory Bento Grid Section (badmintonoem.com style)
   ========================================================================== */

.factory-bento-section {
  max-width: var(--container-max);
  margin: 1.5rem auto 4rem;
  padding: 0 1.5rem;
  position: relative;
  z-index: 10;
}

.factory-bento-grid {
  display: grid;
  grid-template-columns: 1.22fr 0.78fr;
  gap: 1.5rem;
  align-items: stretch;
}

.bento-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 4px 6px -2px rgba(15, 23, 42, 0.02);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}

.bento-card:hover {
  border-color: var(--border-card);
  box-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.08), 0 6px 12px -3px rgba(15, 23, 42, 0.03);
}

.bento-hero-card {
  padding: 2.25rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, #FFFFFF 0%, #F8FAFC 100%);
  position: relative;
  overflow: hidden;
}

.bento-tag-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}

.bento-badge {
  display: inline-flex;
  align-items: center;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  color: #0284C7 !important;
  font-size: 0.82rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.05em !important;
  text-transform: uppercase !important;
  border-radius: 0 !important;
}

.bento-iso-pill {
  display: inline-flex;
  align-items: center;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  color: #64748B !important;
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase !important;
  border-radius: 0 !important;
}

.bento-iso-pill::before {
  content: "·";
  margin-right: 0.5rem;
  font-weight: 900;
  color: #CBD5E1;
}

.bento-hero-title {
  font-size: 1.48rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.35;
  margin: 0 0 0.85rem 0;
  letter-spacing: -0.02em;
}

.bento-hero-text {
  font-size: 0.95rem;
  line-height: 1.75;
  color: #334155;
  margin: 0 0 1.5rem 0;
}

.bento-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.5rem;
}

.bento-metric-item {
  display: flex;
  flex-direction: column;
}

.bento-metric-val {
  font-size: 1.22rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.2;
  margin-bottom: 0.25rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.bento-metric-lbl {
  font-size: 0.75rem;
  color: #64748B;
  line-height: 1.35;
  font-weight: 500;
}

.bento-hero-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.bento-explore-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: #0284C7;
  text-decoration: none;
  transition: color 0.2s ease, gap 0.2s ease;
}
.bento-explore-link:hover {
  color: #0369A1;
  gap: 0.75rem;
}

/* Bento Pillars Grid (Right 2x2) */
.bento-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.bento-pillar-card {
  padding: 1.35rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.bento-pillar-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-card);
  box-shadow: 0 8px 20px -4px rgba(15, 23, 42, 0.06);
}

.bento-pillar-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.bento-pillar-icon-box.icon-blue { background: #F0F9FF; color: #0284C7; }
.bento-pillar-icon-box.icon-green { background: #F0FDF4; color: #16A34A; }
.bento-pillar-icon-box.icon-amber { background: #FFFBEB; color: #D97706; }
.bento-pillar-icon-box.icon-purple { background: #FAF5FF; color: #9333EA; }

.bento-pillar-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 0.35rem 0;
  line-height: 1.35;
}

.bento-pillar-desc {
  font-size: 0.82rem;
  color: #64748B;
  line-height: 1.48;
  margin: 0;
}

/* ==========================================================================
   Yonex Featured Product Grid (Pure Color Style)
   ========================================================================== */

#featured-shuttlecocks, .featured-products-section {
  padding: 3.5rem 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.featured-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.5rem auto;
}

.featured-title {
  font-size: clamp(1.85rem, 2.8vw, 2.35rem);
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 0.45rem 0;
  line-height: 1.25;
}

.featured-desc {
  color: #64748B;
  font-size: 1.05rem;
  line-height: 1.55;
  margin: 0;
}

.yonex-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.yonex-product-card {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 1.15rem 1.15rem 1.35rem 1.15rem;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
  transition: all 0.25s ease;
  position: relative;
}

.yonex-product-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-card);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.yonex-card-media {
  position: relative;
  background: #FFFFFF;
  aspect-ratio: var(--product-image-ratio);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.5rem;
}

.yonex-card-picture {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.yonex-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.yonex-card-img-hover {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.yonex-product-card:hover .yonex-card-img-hover {
  opacity: 1;
  transform: scale(1.04);
}
.yonex-product-card:hover .yonex-card-img-default {
  opacity: 0;
}

.yonex-card-info {
  padding: 1rem 0.2rem 0.2rem 0.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-header-meta {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  margin-bottom: 0.65rem !important;
  gap: 0.35rem !important;
}

.card-tier-badge {
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  padding: 0.2rem 0.55rem !important;
  border-radius: 6px !important;
  letter-spacing: 0.02em !important;
  white-space: nowrap !important;
}

.tier-blue {
  background: #EFF6FF !important;
  color: #0284C7 !important;
  border: 1px solid #BAE6FD !important;
}

.tier-green {
  background: #F0FDF4 !important;
  color: #059669 !important;
  border: 1px solid #BBF7D0 !important;
}

.tier-yellow {
  background: #FEFCE8 !important;
  color: #B45309 !important;
  border: 1px solid #FEF08A !important;
}

.card-sku-badge {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-family: var(--font-heading) !important;
  font-weight: 800 !important;
  font-size: 0.78rem !important;
  padding: 0.18rem 0.5rem !important;
  border-radius: 6px !important;
  white-space: nowrap !important;
  background: #F8FAFC !important;
  color: #334155 !important;
  border: 1px solid var(--border-light) !important;
}

.yonex-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: #0F172A;
  margin: 0 0 0.5rem 0;
  min-height: 3rem;
}

.card-material-desc {
  font-size: 0.88rem;
  line-height: 1.5;
  color: #64748B;
  min-height: 2.8rem;
  margin-bottom: 0.85rem;
}

.yonex-card-bottom-row {
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.yonex-card-price {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0F172A;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Section Block (Pure Color Structure)
   ========================================================================== */

.section-block {
  padding: 4.5rem 0;
}

.section-block.alt-bg {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  margin-bottom: 2.75rem;
  max-width: 800px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 0.65rem;
}

.section-title {
  font-size: clamp(1.85rem, 2.8vw, 2.35rem);
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 0.65rem;
  line-height: 1.25;
}

.section-desc {
  color: #64748B;
  font-size: 1.05rem;
  line-height: 1.65;
}

/* ==========================================================================
   Interactive Tools (Pure Color Minimalist Style)
   ========================================================================== */

/* 1. OEM 3D Studio */
.studio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.tube-stage {
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tube-scene {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  width: 100%;
}

.tube {
  width: 130px;
  height: 300px;
  background: #0F172A;
  border-radius: 18px 18px 8px 8px;
  border: 2px solid var(--border-card);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.25rem 0.65rem;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.tube-label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  width: 100%;
}

.tube-label span {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #38BDF8;
}

.tube-label strong {
  font-size: 1.1rem;
  font-weight: 800;
  color: #FFFFFF;
}

.tube[data-finish="gold"] { border-color: #F59E0B; box-shadow: 0 0 20px rgba(245, 158, 11, 0.25); }
.tube[data-finish="gold"] .tube-label strong { color: #FDE68A; }
.tube[data-finish="silver"] { border-color: #E2E8F0; }

.studio-panel {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
}

.studio-panel h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 1.25rem;
}

.swatch-group {
  display: flex;
  gap: 0.65rem;
  margin-top: 0.45rem;
}

.swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease;
}
.swatch:hover { transform: scale(1.1); }
.swatch.is-active { border-color: #0F172A; box-shadow: 0 0 0 2px #FFFFFF inset; }

/* 2. Supplier CBM Planner (Pure Color Style) */
.planner-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 1.75rem;
  align-items: stretch;
}

.planner-panel {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
}

.planner-panel h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 0.4rem;
}

.planner-panel p {
  color: #64748B;
  font-size: 0.92rem;
  margin-bottom: 1.75rem;
}

.planner-results {
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2.25rem;
  color: #0F172A;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.planner-results .result-title {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0284C7;
  margin-bottom: 1.25rem;
}

.result-stat-big {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

.result-stat-big strong {
  display: block;
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1;
  color: #0F172A;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.result-stat-big span {
  font-size: 0.85rem;
  color: #64748B;
  font-weight: 600;
}

.result-row {
  display: flex;
  justify-content: space-between;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.94rem;
}

.result-row span { color: #64748B; }
.result-row strong { color: #0F172A; font-variant-numeric: tabular-nums; }

/* 3. Factory Protocols (Pure Color Style) */
.protocol-step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.protocol-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.protocol-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: 0 10px 24px -4px rgba(15, 23, 42, 0.06);
}

.protocol-card-tag {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 0.65rem;
}

.protocol-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 0.65rem;
}

.protocol-card p {
  color: #64748B;
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.protocol-spec {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 700;
  color: #334155;
}

/* Factory Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #0F172A;
  border: 1px solid var(--border-light);
}

.gallery-item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.15rem;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 17, 32, 0.85) 100%);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 600;
}

/* ==========================================================================
   Modern 2-Column FAQ Accordion (Exact badmintonoem.com style)
   ========================================================================== */

.faq-section-modern {
  padding: 4.5rem 0;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
}

.faq-header-modern {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem auto;
}

.faq-badge-tag {
  background: #F1F5F9;
  color: #475569;
  font-size: 0.8rem;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-weight: 700;
  letter-spacing: 0.04em;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.faq-title-modern {
  font-size: 2.1rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}

.faq-desc-modern {
  color: #64748B;
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

.faq-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 1.5rem;
  align-items: stretch;
}

.faq-card-item {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  height: 100%;
  box-sizing: border-box;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-card-item[open] {
  background: #FFFFFF;
  border-color: #0284C7;
  box-shadow: 0 4px 16px -2px rgba(2, 132, 199, 0.08);
}

.faq-card-summary {
  font-size: 0.98rem;
  font-weight: 700;
  color: #0F172A;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  gap: 0.75rem;
  user-select: none;
}
.faq-card-summary::-webkit-details-marker { display: none; }

.faq-card-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #E2E8F0;
  color: #0284C7;
  font-size: 1.15rem;
  font-weight: 600;
  flex-shrink: 0;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.faq-card-item[open] .faq-card-toggle {
  background: #E0F2FE;
  color: #0369A1;
  transform: rotate(45deg);
}

.faq-card-answer {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid #F1F5F9;
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.65;
  flex: 1 1 auto;
}

/* ==========================================================================
   Geo Lead Banner (Exact badmintonoem.com style)
   ========================================================================== */

.geo-lead-section {
  width: 100% !important;
  display: block !important;
  margin: 4.5rem 0 0 0 !important;
  padding: 4.5rem 0 !important;
  background-color: #07111F !important;
  background-image: radial-gradient(ellipse at 12% 0%, rgba(249, 115, 22, 0.22) 0%, rgba(249, 115, 22, 0) 42%), radial-gradient(ellipse at 88% 100%, rgba(14, 165, 233, 0.24) 0%, rgba(14, 165, 233, 0) 46%), linear-gradient(125deg, #07111F 0%, #0B2340 52%, #07374D 100%) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.12) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
  position: relative !important;
  box-sizing: border-box !important;
}

.geo-lead-banner {
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  display: block !important;
  text-align: center !important;
  color: #FFFFFF !important;
  background: transparent !important;
  border: none !important;
  box-sizing: border-box !important;
}

.geo-lead-content {
  max-width: 960px !important;
  margin: 0 auto !important;
  padding: 0 1.5rem !important;
  position: relative !important;
  z-index: 2 !important;
  box-sizing: border-box !important;
  text-align: center !important;
}

.geo-lead-title {
  font-size: clamp(2rem, 3.4vw, 2.6rem);
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 1rem 0;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.geo-lead-desc {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 780px;
  margin: 0 auto 2.25rem;
  line-height: 1.65;
}

.geo-lead-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Modern Lead Form (Pure Color Style)
   ========================================================================== */

.lead-form-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2.75rem;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
  max-width: 800px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: #334155;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.94rem;
  color: #0F172A;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
  outline: none;
}

.brief-result {
  margin-top: 1.75rem;
  padding: 1.25rem;
  background: #F0F9FF;
  border: 1px solid #BAE6FD;
  border-radius: 10px;
}

/* ==========================================================================
   Ultra-Minimalist Footer (Exact badmintonoem.com style)
   ========================================================================== */

.site-footer, .main-footer {
  background-color: #FFFFFF !important;
  color: #4B5563 !important;
  padding: 3.5rem 0 2.5rem !important;
  border-top: 1px solid #E5E7EB !important;
  margin-top: 0 !important;
}

.footer-minimal-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.25rem;
}

.footer-nav-link {
  color: #111827 !important;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.footer-nav-link:hover {
  color: #0284C7 !important;
}

.copyright-text {
  color: #6B7280;
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   Floating Quick Contact Actions Widget (Exact badmintonoem.com style)
   ========================================================================== */

.floating-contact-wrap {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  pointer-events: auto;
}

.whatsapp-btn {
  position: relative;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  box-shadow: 0 8px 20px -3px rgba(37, 211, 102, 0.42), 0 4px 10px -2px rgba(18, 140, 126, 0.25);
  color: #FFFFFF !important;
  text-decoration: none;
  padding: 0.65rem 1.25rem;
  min-height: 44px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  transition: all 0.25s ease;
}

.whatsapp-btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 28px -4px rgba(37, 211, 102, 0.6);
  color: #FFFFFF !important;
}

.whatsapp-icon {
  width: 20px;
  height: 20px;
  fill: #FFFFFF;
}

.whatsapp-online-status {
  display: inline-flex;
  align-items: center;
  font-size: 0.76rem;
  font-weight: 600;
  opacity: 0.92;
}
.whatsapp-online-status::before {
  content: "·";
  margin: 0 0.15rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .factory-bento-grid {
    grid-template-columns: 1fr;
  }
  .yonex-product-grid, .protocol-step-grid, .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .studio-grid, .planner-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  body {
    padding-top: 64px;
  }
  .desktop-only { display: none !important; }
  .mobile-only { display: flex !important; }
  .header-cta {
    display: none !important;
  }
  .menu-toggle {
    display: flex !important;
  }
  .primary-nav {
    display: none;
    position: fixed !important;
    top: var(--header-height, 64px) !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    transform: none !important;
    background: #FFFFFF !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding: 3rem 1.5rem !important;
    gap: 1.75rem !important;
    z-index: 999 !important;
    overflow-y: auto !important;
    margin: 0 !important;
  }
  .primary-nav a {
    font-size: 1.15rem !important;
    font-weight: 600 !important;
  }
  .primary-nav.is-open {
    display: flex !important;
  }
  .hero-section, .home-hero {
    min-height: calc(100vh - var(--header-height, 64px));
    min-height: calc(100dvh - var(--header-height, 64px));
    margin-bottom: 2rem;
  }
  .hero-overlay {
    background: linear-gradient(180deg, rgba(7, 13, 26, 0.35) 0%, rgba(7, 13, 26, 0.78) 45%, rgba(7, 13, 26, 0.95) 100%);
  }
  .hero-container {
    padding: 2rem 1.25rem 3rem 1.25rem;
  }
  .hero-title, .hero-copy h1 {
    font-size: clamp(1.75rem, 6.5vw, 2.3rem);
    line-height: 1.22;
    margin-bottom: 0.85rem;
  }
  .hero-desc, .hero-lead {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.5rem;
  }
  .hero-actions .btn {
    width: 100% !important;
    min-height: 48px;
    font-size: 0.98rem;
  }
  .hero-guarantee-strip {
    gap: 0.85rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
  }
  .bento-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .yonex-product-grid, .protocol-step-grid, .gallery-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid-2col {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav-links {
    gap: 1.25rem 1.5rem;
  }
}