/* Source: css/base.css */
/* ============================================
   ZHICAI Design System — base.css
   CSS Variables + Reset + Typography + Global
   ============================================ */

/* --- Local fonts: the critical language pair is preloaded per page --- */
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-site-v1.woff2') format('woff2');
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: 'Playfair Display';
  src: url('/fonts/playfair-display-site-v1.woff2') format('woff2');
  font-style: normal;
  font-weight: 600 800;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('/fonts/dm-sans-site-v1.woff2') format('woff2');
  font-style: normal;
  font-weight: 700 800;
  font-display: swap;
}

@font-face {
  font-family: 'Noto Sans SC';
  src: url('/fonts/noto-sans-sc-site-v1.woff2') format('woff2');
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: 'Noto Serif SC';
  src: url('/fonts/noto-serif-sc-site-v1.woff2') format('woff2');
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
}

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --color-kraft:         #A67C52;
  --color-kraft-light:   #C4A882;
  --color-kraft-dark:    #8B6340;
  --color-coffee:        #3D2B1F;
  --color-warm-white:    #FAF6F1;
  --color-cream:         #F5EDE3;

  /* Accent Colors */
  --color-forest:        #2D6A4F;
  --color-forest-dark:   #1B4332;
  --color-forest-light:  #40916C;
  --color-gold:          #C9A84C;
  --color-gold-light:    #E0C872;

  /* Neutral Colors */
  --color-graphite:      #4A4A4A;
  --color-gray-600:      #6B7280;
  --color-gray-400:      #9CA3AF;
  --color-gray-200:      #E5E7EB;
  --color-gray-100:      #F3F4F6;
  --color-white:         #FFFFFF;
  --color-black:         #1A1A1A;

  /* Functional Colors */
  --color-cta:           var(--color-forest);
  --color-cta-hover:     var(--color-forest-dark);
  --color-text:          var(--color-graphite);
  --color-text-heading:  var(--color-coffee);
  --color-text-light:    var(--color-gray-600);
  --color-bg:            var(--color-warm-white);
  --color-bg-alt:        var(--color-cream);
  --color-border:        var(--color-gray-200);

  /* Typography */
  --font-heading:        'Playfair Display', 'Noto Serif SC', Georgia, serif;
  --font-body:           'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-mono:           'DM Sans', 'Inter', sans-serif;

  /* Font Sizes (fluid) */
  --text-xs:    0.75rem;    /* 12px */
  --text-sm:    0.875rem;   /* 14px */
  --text-base:  1rem;       /* 16px */
  --text-lg:    1.125rem;   /* 18px */
  --text-xl:    1.25rem;    /* 20px */
  --text-2xl:   1.5rem;     /* 24px */
  --text-3xl:   1.875rem;   /* 30px */
  --text-4xl:   2.25rem;    /* 36px */
  --text-5xl:   3rem;       /* 48px */
  --text-6xl:   3.75rem;    /* 60px */

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(61, 43, 31, 0.05);
  --shadow-md:   0 4px 12px rgba(61, 43, 31, 0.08);
  --shadow-lg:   0 8px 30px rgba(61, 43, 31, 0.12);
  --shadow-xl:   0 16px 50px rgba(61, 43, 31, 0.16);

  /* Transitions */
  --motion-fast:       160ms;
  --motion-base:       320ms;
  --motion-slow:       520ms;
  --ease-standard:     cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-emphasized:   cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast:   var(--motion-fast) var(--ease-standard);
  --transition-base:   var(--motion-base) var(--ease-standard);
  --transition-slow:   var(--motion-slow) var(--ease-emphasized);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max:  1280px;
  --container-pad:  var(--space-6);
  --nav-height:     80px;

  /* Z-index layers */
  --z-base:      1;
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-fixed:     300;
  --z-overlay:   400;
  --z-modal:     500;
}

html[lang='zh-CN'] {
  --font-heading: 'Noto Serif SC', Georgia, serif;
  --font-body: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-mono: 'Noto Sans SC', system-ui, sans-serif;
}

html[lang='en'] {
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Inter', system-ui, sans-serif;
}

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

[hidden] {
  display: none !important;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-heading);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl)); }
h2 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); }
h3 { font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] h4,
html[lang="zh-CN"] h5,
html[lang="zh-CN"] h6 {
  font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.035em;
}

p {
  margin-bottom: var(--space-4);
  max-width: 72ch;
}

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

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--text-lg);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-16);
}

.bg-white    { background-color: var(--color-white); }
.bg-cream    { background-color: var(--color-cream); }
.bg-warm     { background-color: var(--color-warm-white); }
.bg-coffee   { background-color: var(--color-coffee); color: var(--color-warm-white); }
.bg-forest   { background-color: var(--color-forest); color: var(--color-warm-white); }

/* --- Selection --- */
::selection {
  background-color: var(--color-kraft-light);
  color: var(--color-coffee);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
  background: var(--color-kraft-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-kraft);
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Accessibility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.skip-to-content {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--color-forest);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  z-index: var(--z-modal);
  transform: translateY(-120%);
  transition: transform var(--transition-fast);
}

.skip-to-content:focus {
  transform: translateY(0);
}

/* --- Rendering performance --- */
@supports (content-visibility: auto) {
  main > .section {
    content-visibility: auto;
    contain-intrinsic-size: auto 900px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Source: css/layout.css */
/* ============================================
   ZHICAI Layout — layout.css
   Grid System + Responsive Utilities
   ============================================ */

/* --- Grid System --- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* --- Flex Utilities --- */
.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.flex-wrap   { flex-wrap: wrap; }
.items-center    { align-items: center; }
.items-start     { align-items: flex-start; }
.items-end       { align-items: flex-end; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end     { justify-content: flex-end; }
.gap-2  { gap: var(--space-2); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

/* --- Two Column Layout --- */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.split-layout.reverse {
  direction: rtl;
}

.split-layout.reverse > * {
  direction: ltr;
}

/* --- Spacing Utilities --- */
.mt-4  { margin-top: var(--space-4); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mx-auto { margin-left: auto; margin-right: auto; }
.pt-4  { padding-top: var(--space-4); }
.pb-4  { padding-bottom: var(--space-4); }

/* --- Responsive Breakpoints --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split-layout { grid-template-columns: 1fr; gap: var(--space-10); }
  .split-layout.reverse { direction: ltr; }

  .lg-hidden { display: none !important; }
}

@media (max-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }

  :root {
    --container-pad: var(--space-4);
    --nav-height: 64px;
  }

  .md-hidden { display: none !important; }
  .md-block { display: block !important; }
}

@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }

  .sm-hidden { display: none !important; }
}

/* Source: css/components.css */
/* ============================================
   ZHICAI Components — components.css
   Reusable UI Components
   ============================================ */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn:hover::after {
  transform: translateX(100%);
}

.btn-primary {
  background-color: var(--color-cta);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-cta-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-coffee);
  border: 2px solid var(--color-kraft);
}

.btn-secondary:hover {
  background-color: var(--color-kraft);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-forest);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: var(--color-warm-white);
  color: var(--color-forest-dark);
  transform: translateY(-2px);
}

.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: var(--z-fixed);
  transition:
    background-color var(--transition-base),
    box-shadow var(--transition-base),
    backdrop-filter var(--transition-base),
    -webkit-backdrop-filter var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(250, 246, 241, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

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

.nav-logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-coffee);
  display: inline-flex;
  align-items: center;
  gap: 0.38em;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-logo-mark {
  width: 1.08em;
  height: 1.15em;
  flex: 0 0 auto;
  background: url('/images/brand/zhicai-favicon-color-20260819.svg') center / contain no-repeat;
}

.nav-logo-name {
  display: block;
  white-space: nowrap;
}

.navbar:not(.scrolled) .nav-logo {
  color: var(--color-white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: var(--space-2) 0;
  letter-spacing: 0.5px;
}

.navbar:not(.scrolled) .nav-link {
  color: rgba(255, 255, 255, 0.9);
}

.navbar:not(.scrolled) .nav-link:hover {
  color: var(--color-white);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-forest);
  transition: width var(--transition-base);
}

.navbar:not(.scrolled) .nav-link::after {
  background-color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  background: rgba(166, 124, 82, 0.1);
  border-radius: var(--radius-full);
  padding: 2px;
  font-size: var(--text-sm);
  font-weight: 600;
}

.navbar:not(.scrolled) .lang-switch {
  background: rgba(255, 255, 255, 0.15);
}

.lang-switch button {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
  color: var(--color-text-light);
  font-weight: 600;
  font-size: var(--text-sm);
}

.navbar:not(.scrolled) .lang-switch button {
  color: rgba(255, 255, 255, 0.7);
}

.lang-switch button.active {
  background-color: var(--color-kraft);
  color: var(--color-white);
}

.navbar:not(.scrolled) .lang-switch button.active {
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-coffee);
}

.nav-cta {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-6);
}

.navbar:not(.scrolled) .nav-cta {
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
}

.navbar:not(.scrolled) .nav-cta:hover {
  background-color: var(--color-white);
  color: var(--color-forest);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: var(--z-overlay);
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-coffee);
  border-radius: 2px;
  transition:
    background-color var(--transition-base),
    opacity var(--transition-base),
    transform var(--transition-base);
}

.navbar:not(.scrolled) .nav-toggle span {
  background-color: var(--color-white);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 26, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  height: 100dvh;
  background: var(--color-warm-white);
  z-index: var(--z-modal);
  padding: var(--space-24) var(--space-8);
  pointer-events: none;
  overscroll-behavior: contain;
  transition: right var(--transition-slow);
  box-shadow: var(--shadow-xl);
}

.nav-mobile.active {
  right: 0;
  pointer-events: auto;
}

.nav-mobile .nav-link {
  display: block;
  font-size: var(--text-xl);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.nav-mobile .nav-link::after {
  display: none;
}

.nav-mobile .nav-actions {
  margin-top: var(--space-8);
  flex-direction: column;
  align-items: stretch;
}

.nav-mobile .btn {
  text-align: center;
}

/* --- Cards --- */
.card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

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

.card-image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card-image-wrapper {
  overflow: hidden;
  position: relative;
}

.card-body {
  padding: var(--space-6);
}

.card-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-forest);
  background: rgba(45, 106, 79, 0.08);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.card-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-coffee);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

.card-text {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--space-3);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-forest);
  margin-top: var(--space-4);
  transition: gap var(--transition-base);
}

.card-link:hover {
  gap: var(--space-3);
  color: var(--color-forest-dark);
}

/* Extend each card's existing detail link across its image, copy and whitespace. */
.card:has(.card-link) {
  cursor: pointer;
}

.card .card-link::after {
  content: '';
  position: absolute;
  z-index: 2;
  inset: 0;
  border-radius: inherit;
}

.card:has(.card-link:focus-visible) {
  outline: 3px solid rgba(45, 106, 79, .72);
  outline-offset: 3px;
}

.card .card-link:focus-visible {
  outline: none;
}

/* --- Stat Counter --- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-8);
}

.stat-item {
  text-align: center;
  padding: var(--space-8);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--color-kraft);
  line-height: 1;
  margin-bottom: var(--space-2);
  white-space: nowrap;
}

.stat-unit {
  font-size: var(--text-2xl);
  font-weight: 700;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Badge (Certification) --- */
.badge-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  background: rgba(201, 168, 76, 0.08);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid rgba(201, 168, 76, 0.2);
  transition:
    background-color var(--transition-base),
    transform var(--transition-base);
}

.badge:hover {
  background: rgba(201, 168, 76, 0.15);
  transform: translateY(-2px);
}

.badge-icon {
  width: 20px;
  height: 20px;
}

.site-icon {
  display: block;
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  overflow: visible;
  color: inherit;
}

/* --- Feature Icons Grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
}

.feature-item {
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
  background: var(--color-white);
  border: 1px solid transparent;
}

.feature-item:hover {
  border-color: var(--color-kraft-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  color: var(--color-forest);
}

.feature-icon .site-icon {
  width: 100%;
  height: 100%;
}

.mvv-icon {
  display: grid;
  width: 3.75rem;
  height: 3.75rem;
  margin: 0 auto var(--space-5);
  place-items: center;
  border: 1px solid rgba(166, 124, 82, .24);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(255, 255, 255, .96), rgba(247, 239, 229, .84));
  color: var(--color-forest);
}

.mvv-icon .site-icon {
  width: 1.75rem;
  height: 1.75rem;
}

.feature-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-coffee);
}

/* --- Tab Component --- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  justify-content: center;
}

.tab-btn {
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-light);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base);
}

.tab-btn:hover {
  border-color: var(--color-kraft);
  color: var(--color-kraft);
}

.tab-btn.active {
  background-color: var(--color-kraft);
  border-color: var(--color-kraft);
  color: var(--color-white);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Footer --- */
.footer {
  background-color: var(--color-coffee);
  color: rgba(255, 255, 255, 0.8);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand .nav-logo {
  color: var(--color-warm-white);
  margin-bottom: var(--space-4);
  display: inline-flex;
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-warm-white);
  margin-bottom: var(--space-6);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-link--button {
  align-self: flex-start;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.7;
  text-align: left;
  cursor: pointer;
}

.footer-link--icon {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.footer-link--icon .site-icon {
  width: 1rem;
  height: 1rem;
  margin-top: .15em;
  color: rgba(202, 166, 117, .9);
}

.footer-link:hover {
  color: var(--color-white);
  padding-left: var(--space-2);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer-social a,
.footer-social button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  border: 0;
  font: inherit;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
}

.footer-social a:hover,
.footer-social button:hover {
  background: var(--color-kraft);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-social a[aria-disabled='true'] {
  cursor: not-allowed;
  opacity: 0.62;
}

.footer-social--labels {
  flex-wrap: wrap;
}

.footer-social--labels a,
.footer-social--labels button {
  width: auto;
  min-width: 40px;
  padding-inline: var(--space-3);
  font-size: var(--text-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* --- Page Hero --- */
.page-hero {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(61, 43, 31, 0.94) 0%, rgba(27, 67, 50, 0.84) 100%),
    url('../../images/generated/cta-kraft-material-real.webp?v=20260808r4') center / cover no-repeat,
    var(--color-coffee);
  color: var(--color-white);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(61, 43, 31, 0.7) 0%, rgba(61, 43, 31, 0.5) 100%);
  z-index: 1;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero .container {
  position: relative;
  z-index: 2;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.page-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  max-width: 60ch;
  margin: 0 auto;
}

/* --- CTA Banner --- */
.cta-banner {
  position: relative;
  padding: var(--space-20) 0;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(45, 106, 79, 0.9) 0%, rgba(27, 67, 50, 0.94) 100%),
    url('../../images/generated/cta-kraft-material-real.webp?v=20260808r4') center / cover no-repeat,
    var(--color-forest-dark);
  color: var(--color-white);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-banner .btn-group {
  position: relative;
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-banner .btn-secondary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.cta-banner .btn-secondary:hover {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-forest);
}

/* --- Sample Request Modal --- */
.sample-modal-open {
  overflow: hidden;
}

.sample-modal {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-modal) + 40);
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 2.5rem);
  pointer-events: none;
  visibility: hidden;
  overscroll-behavior: contain;
}

.sample-modal.is-open {
  pointer-events: auto;
  visibility: visible;
}

.sample-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(43, 33, 27, 0.32);
  opacity: 0;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  transition: opacity var(--transition-base);
}

.sample-modal.is-open .sample-modal__backdrop {
  opacity: 1;
}

.sample-modal__dialog {
  position: relative;
  width: min(520px, 100%);
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid rgba(166, 124, 82, 0.22);
  border-radius: var(--radius-md);
  background:
    linear-gradient(140deg, rgba(255, 250, 243, 0.98), rgba(247, 238, 226, 0.96)),
    repeating-linear-gradient(90deg, rgba(166, 124, 82, 0.045) 0 1px, transparent 1px 18px);
  box-shadow: 0 30px 90px rgba(43, 33, 27, 0.22);
  color: var(--color-coffee);
  opacity: 0;
  transform: translateY(10px) scale(0.985);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.sample-modal.is-open .sample-modal__dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.sample-modal__dialog:focus {
  outline: none;
}

.sample-modal__dialog:focus-visible {
  outline: 3px solid var(--color-forest);
  outline-offset: 4px;
}

.sample-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(166, 124, 82, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.52);
  color: var(--color-kraft-dark);
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-base);
}

.sample-modal__close:hover {
  background: rgba(166, 124, 82, 0.12);
  transform: translateY(-1px);
}

.sample-modal__close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.sample-modal__kicker {
  display: inline-flex;
  margin-bottom: var(--space-3);
  color: var(--color-kraft-dark);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.sample-modal h2 {
  margin: 0 0 var(--space-3);
  padding-right: var(--space-8);
  color: var(--color-coffee);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.sample-modal p {
  margin: 0 0 var(--space-6);
  color: #5a5148;
  font-size: var(--text-base);
  line-height: 1.75;
}

.sample-modal__actions {
  display: grid;
  gap: var(--space-3);
}

.sample-modal__option {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  align-items: center;
  padding: var(--space-4);
  border: 1px solid rgba(166, 124, 82, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.58);
  color: var(--color-coffee);
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.sample-modal__option:hover {
  transform: translateY(-2px);
  border-color: rgba(166, 124, 82, 0.38);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 16px 34px rgba(61, 43, 31, 0.08);
}

.sample-modal__option svg {
  grid-row: span 2;
  width: 44px;
  height: 44px;
  padding: 11px;
  border-radius: var(--radius-sm);
  background: rgba(166, 124, 82, 0.1);
  color: var(--color-kraft-dark);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sample-modal__option span {
  font-weight: 800;
  line-height: 1.25;
}

.sample-modal__option small {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}

@media (max-width: 520px) {
  .sample-modal__dialog {
    padding: var(--space-6);
  }

  .sample-modal__option {
    grid-template-columns: 40px minmax(0, 1fr);
    padding: var(--space-3);
  }

  .sample-modal__option svg {
    width: 40px;
    height: 40px;
    padding: 10px;
  }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }

  .navbar > .container {
    justify-content: flex-start;
  }

  .navbar > .container > .nav-actions {
    display: flex;
    margin-left: auto;
  }

  .navbar > .container > .nav-actions .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: var(--space-3);
  }

  .nav-mobile,
  .nav-overlay {
    display: block;
  }

  .nav-mobile .nav-actions {
    display: none;
  }

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

@media (max-width: 360px) {
  .navbar > .container > .nav-actions .lang-switch button {
    padding-right: var(--space-2);
    padding-left: var(--space-2);
    font-size: var(--text-xs);
  }

  .nav-toggle {
    margin-left: var(--space-2);
  }
}

@media (max-width: 768px) {
  .page-hero {
    min-height: 320px;
  }

  .page-hero .container {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .page-hero p {
    font-size: var(--text-base);
    line-height: 1.65;
  }

  .cta-banner {
    padding: var(--space-12) 0;
  }

  .cta-banner h2 {
    margin-bottom: var(--space-3);
    font-size: clamp(var(--text-2xl), 8vw, var(--text-3xl));
  }

  .cta-banner p {
    margin-bottom: var(--space-6);
    font-size: var(--text-base);
    line-height: 1.65;
  }

  .footer {
    padding-top: var(--space-10);
    padding-bottom: var(--space-6);
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8) var(--space-5);
    margin-bottom: var(--space-8);
    text-align: left;
  }

  .footer-brand,
  .footer-grid > :last-child {
    grid-column: 1 / -1;
  }

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

  .footer-brand p {
    margin: 0 auto;
  }

  .footer-title {
    margin-bottom: var(--space-3);
  }

  .footer-links {
    gap: var(--space-2);
  }

  .footer-social {
    justify-content: center;
  }

  .footer-social a,
  .footer-social button {
    min-width: 44px;
    min-height: 44px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-5);
    text-align: center;
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .stat-number {
    font-size: clamp(var(--text-xl), 6vw, var(--text-2xl)) !important;
    white-space: nowrap !important;
  }

  .capabilities-row {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-3) !important;
  }

  .capabilities-row .cap-card {
    padding: var(--space-3) var(--space-4) !important;
    gap: var(--space-2) !important;
  }

  .capabilities-row .cap-card .feature-icon {
    width: 36px !important;
    height: 36px !important;
  }

  .capabilities-row .cap-card span {
    font-size: var(--text-sm) !important;
  }

  .badge-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .cert-badge {
    width: 100% !important;
    padding: var(--space-4) !important;
  }

  .cert-badge:last-child {
    grid-column: span 2;
  }

  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .section-title.mb-16,
  .section-subtitle,
  .section-subtitle.mb-12 {
    margin-bottom: var(--space-8);
  }

  .section-subtitle {
    font-size: var(--text-base);
    line-height: 1.65;
  }
}

/* Source: css/pages/wkp.css */
/* ============================================
   ZHICAI WKP Page Styles — wkp.css
   ============================================ */

/* --- Material Overview Layout --- */
.overview-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(166, 124, 82, 0.15);
  background: var(--color-bg-alt);
  aspect-ratio: 16/10;
  width: 100%;
}

.wkp-texture-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-kraft-light) 100%);
  opacity: 0.8;
}

.wkp-material-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wkp-material-image[data-load-reveal] {
  opacity: 0;
  transition: opacity 220ms ease;
}

.wkp-material-image[data-load-reveal].is-loaded {
  opacity: 1;
}

/* --- Product Series Gallery --- */
.product-series-section {
  overflow: clip;
}

.product-series-section .section-subtitle {
  width: fit-content;
  max-width: 100%;
}

.series-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(var(--space-5), 2.4vw, var(--space-8));
  transition:
    opacity var(--transition-base),
    filter var(--transition-slow),
    transform var(--transition-slow);
}

.product-series-section.has-series-preview .series-featured-grid {
  opacity: .62;
  filter: saturate(.72) brightness(.96);
  transform: scale(.996);
}

.series-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(166, 124, 82, .18);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.series-card:hover {
  transform: translateY(-5px);
  border-color: rgba(166, 124, 82, .42);
  box-shadow: 0 20px 44px rgba(61, 43, 31, .12);
}

.series-card-image {
  width: 100%;
  margin: 0;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.series-card-image img,
.series-chip-panel figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.series-card:hover .series-card-image img {
  transform: scale(1.035);
}

.series-card-body {
  padding: clamp(var(--space-5), 2.2vw, var(--space-8));
}

.series-card-body h3,
.series-chip-panel h3 {
  margin-bottom: var(--space-3);
  color: var(--color-coffee);
  font-family: var(--font-body);
  font-size: clamp(var(--text-lg), 1.65vw, var(--text-2xl));
  font-weight: 700;
  line-height: 1.35;
}

.series-card-body p,
.series-chip-panel p {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  line-height: 1.75;
}

.series-more {
  position: relative;
  z-index: 5;
  margin-top: clamp(var(--space-10), 6vw, var(--space-16));
  padding-top: var(--space-8);
  border-top: 1px solid rgba(166, 124, 82, .2);
}

.series-chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.series-chip {
  min-height: 42px;
  padding: var(--space-2) var(--space-6);
  border: 1px solid rgba(166, 124, 82, .28);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .88);
  color: var(--color-coffee);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.series-chip:hover,
.series-chip:focus-visible,
.series-chip.is-active {
  border-color: var(--color-kraft);
  background: rgba(166, 124, 82, .1);
  color: var(--color-kraft-dark);
  transform: translateY(-1px);
}

.series-chip.is-pinned,
.series-chip[aria-pressed="true"] {
  border-color: var(--color-forest);
  background: var(--color-forest);
  color: var(--color-white);
  box-shadow: 0 9px 22px rgba(45, 106, 79, .2);
}

.series-chip:focus-visible {
  outline: 2px solid var(--color-forest);
  outline-offset: 3px;
}

.series-chip-preview {
  position: absolute;
  left: 50%;
  bottom: calc(100% + var(--space-5));
  z-index: 10;
  display: grid;
  grid-template-rows: 0fr;
  width: min(980px, calc(100vw - var(--space-12)));
  margin: 0 auto;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: transparent;
  box-shadow: 0 0 0 rgba(61, 43, 31, 0);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 12px) scale(.988);
  transform-origin: 50% 100%;
  isolation: isolate;
  transition:
    grid-template-rows 440ms var(--ease-emphasized),
    opacity 180ms var(--ease-standard),
    transform 440ms var(--ease-emphasized),
    border-color 180ms var(--ease-standard),
    background-color 180ms var(--ease-standard),
    box-shadow 280ms var(--ease-standard),
    visibility 0s linear 440ms;
  will-change: grid-template-rows, opacity, transform;
}

.series-chip-preview::before {
  content: '';
  position: absolute;
  inset: 8% 3% -14%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    rgba(61, 43, 31, .3) 0%,
    rgba(61, 43, 31, .16) 42%,
    rgba(61, 43, 31, 0) 76%
  );
  filter: blur(22px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(.9);
  transition:
    opacity 220ms var(--ease-standard),
    transform 440ms var(--ease-emphasized);
}

.series-chip-preview::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -8px;
  z-index: 2;
  width: 16px;
  height: 16px;
  border-right: 1px solid rgba(166, 124, 82, .24);
  border-bottom: 1px solid rgba(166, 124, 82, .24);
  background: var(--color-white);
  opacity: 0;
  transform: translateX(-50%) rotate(45deg) scale(.7);
  transition:
    opacity 180ms var(--ease-standard),
    transform 360ms var(--ease-emphasized);
}

.series-chip-preview.is-open {
  grid-template-rows: 1fr;
  border-color: rgba(166, 124, 82, .24);
  background: var(--color-white);
  box-shadow:
    0 18px 44px rgba(61, 43, 31, .13),
    0 5px 14px rgba(61, 43, 31, .08),
    inset 0 1px 0 rgba(255, 255, 255, .86);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1);
  transition-delay: 0s;
}

.series-chip-preview.is-open::before {
  opacity: .9;
  transform: translateY(15px) scale(1.02);
}

.series-chip-preview.is-open::after {
  opacity: 1;
  transform: translateX(-50%) rotate(45deg) scale(1);
}

.series-chip-preview-stage {
  min-height: 0;
  overflow: hidden;
  border-radius: inherit;
}

.series-chip-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  align-items: center;
}

.series-chip-panel figure {
  min-height: 280px;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.series-chip-panel > div {
  padding: clamp(var(--space-6), 4vw, var(--space-10));
}

.series-chip-panel.is-entering {
  animation: seriesPanelReveal var(--motion-base) var(--ease-emphasized) both;
}

@keyframes seriesPanelReveal {
  from {
    opacity: .2;
    filter: blur(2px);
    transform: translateY(7px) scale(.996);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 900px) {
  .series-featured-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .series-featured-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-8);
  }

  .series-card {
    border-radius: var(--radius-md);
    box-shadow: 0 8px 20px rgba(61, 43, 31, .06);
  }

  .series-card-image {
    aspect-ratio: 4/3;
  }

  .series-card-body {
    padding: var(--space-3);
  }

  .series-card-body h3 {
    margin-bottom: var(--space-2);
    font-size: .9375rem;
    line-height: 1.3;
  }

  .series-card-body p {
    display: -webkit-box;
    overflow: hidden;
    color: var(--color-text-light);
    font-size: .75rem;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .series-more {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
  }

  .series-chip-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .series-chip {
    width: 100%;
    min-height: 2.75rem;
    padding-inline: var(--space-4);
  }

  .series-chip-preview {
    position: absolute;
    left: 50%;
    right: auto;
    bottom: calc(100% + var(--space-3));
    width: calc(100vw - var(--space-8));
    max-height: none;
    margin: 0;
    transform: translate(-50%, 14px) scale(.985);
    transform-origin: 50% 100%;
  }

  .series-chip-preview.is-open {
    transform: translate(-50%, 0) scale(1);
  }

  .series-chip-preview-stage {
    overflow: hidden;
  }

  .series-chip-panel {
    grid-template-columns: 1fr;
  }

  .series-chip-panel figure {
    min-height: 0;
    aspect-ratio: 16/8.6;
  }

  .series-chip-panel > div {
    padding: var(--space-5);
  }

  .series-chip-panel h3 {
    margin-bottom: var(--space-2);
  }

  .series-chip-panel p {
    font-size: .8125rem;
    line-height: 1.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  .series-card,
  .series-card-image img,
  .series-featured-grid,
  .series-chip,
  .series-chip-preview,
  .series-chip-panel {
    animation: none;
    transition: none;
  }
}

/* --- Specifications Table --- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 45px rgba(61, 43, 31, 0.08);
  border: 1px solid var(--color-border);
  background: var(--color-white);
}

.specs-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
  background-color: var(--color-white);
}

.specs-table thead th {
  padding: var(--space-5) var(--space-6);
  background: var(--color-coffee);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.specs-table thead th:last-child {
  border-right: none;
}

.specs-table tbody th,
.specs-table tbody td {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-base);
  line-height: 1.75;
  vertical-align: top;
}

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

.specs-table tbody tr:nth-child(even) th,
.specs-table tbody tr:nth-child(even) td {
  background-color: rgba(245, 237, 227, 0.42);
}

.specs-table tbody tr:hover th,
.specs-table tbody tr:hover td {
  background-color: rgba(166, 124, 82, 0.08);
}

.table-mobile-label {
  display: none;
}

.product-specs-table {
  table-layout: fixed;
}

.product-specs-table .spec-property-col {
  width: 18%;
}

.product-specs-table .spec-range-col {
  width: 22%;
}

.product-specs-table .spec-examples-col {
  width: 60%;
}

.product-specs-table .spec-name {
  color: var(--color-coffee);
  font-size: var(--text-lg);
  font-weight: 700;
  vertical-align: middle;
}

.product-specs-table .spec-name strong {
  font-weight: 700;
}

.product-specs-table .spec-range {
  color: var(--color-forest-dark);
  vertical-align: middle;
}

.product-specs-table .spec-range strong {
  font-weight: 700;
  white-space: nowrap;
}

.spec-application-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.spec-application-list li {
  display: grid;
  grid-template-columns: minmax(8.75rem, 0.34fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.spec-application-list li + li {
  padding-top: var(--space-3);
  border-top: 1px dashed rgba(166, 124, 82, 0.3);
}

.spec-application-list strong {
  color: var(--color-coffee);
  font-weight: 700;
}

.performance-table {
  min-width: 0;
  table-layout: fixed;
}

.performance-table thead th:first-child,
.performance-table tbody th {
  width: 20%;
}

.performance-table tbody th {
  color: var(--color-coffee);
  font-weight: 700;
  text-align: left;
  vertical-align: middle;
}

.performance-table thead th:nth-child(2),
.performance-table thead th:nth-child(3),
.performance-table td:nth-child(2),
.performance-table td:nth-child(3) {
  width: 40%;
}

.performance-table td {
  vertical-align: top;
  line-height: 1.7;
}

.performance-table tbody th > span {
  display: inline-block;
  padding: 0.32rem 0.72rem;
  border: 1px solid rgba(166, 124, 82, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
}

/* --- Performance Grid Enhancements --- */
.perf-card {
  text-align: center;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.perf-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-kraft);
}

.perf-card .feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 106, 79, 0.08);
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  color: var(--color-forest);
  margin-bottom: var(--space-4);
}

/* --- Certification Badge --- */
#certifications {
  scroll-margin-top: var(--nav-height);
}

.certification-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-4);
}

.cert-badge {
  --cert-accent: var(--color-forest);
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-content: start;
  min-width: 0;
  padding: clamp(var(--space-5), 2.5vw, var(--space-7));
  color: inherit;
  font: inherit;
  text-align: center;
  text-decoration: none;
  border: 1px solid rgba(166, 124, 82, .2);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--cert-accent) 9%, transparent), transparent 56%),
    var(--color-white);
  cursor: zoom-in;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.cert-badge:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--cert-accent) 48%, transparent);
  box-shadow: var(--shadow-md);
}

.cert-badge:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--cert-accent) 76%, white);
  outline-offset: 4px;
  transform: translateY(-3px);
  border-color: var(--cert-accent);
  box-shadow: var(--shadow-md);
}

.cert-badge:active {
  transform: translateY(-1px);
}

.cert-badge--forest {
  --cert-accent: #2f6b4f;
}

.cert-badge--textile {
  --cert-accent: #537a75;
}

.cert-badge--reach {
  --cert-accent: #8b6f47;
}

.cert-badge--testing {
  --cert-accent: #765664;
}

.cert-badge--quality {
  --cert-accent: #495f78;
}

.cert-nameplate {
  display: grid;
  min-height: 5.25rem;
  place-items: center;
  margin-bottom: var(--space-5);
  border-bottom: 1px solid color-mix(in srgb, var(--cert-accent) 28%, transparent);
  color: var(--cert-accent);
}

.cert-nameplate strong {
  font-family: var(--font-mono);
  font-size: clamp(var(--text-lg), 1.75vw, var(--text-2xl));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
}

.cert-badge p {
  margin: 0;
  color: var(--color-text-light);
  font-size: var(--text-xs);
  line-height: 1.55;
}

.cert-view-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  margin-top: var(--space-4);
  color: var(--cert-accent);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.cert-view-label::after {
  content: '';
  width: 1.15rem;
  height: 1px;
  background: currentColor;
  transition: width var(--transition-base);
}

.cert-badge:hover .cert-view-label::after,
.cert-badge:focus-visible .cert-view-label::after {
  width: 1.8rem;
}

/* The preview stays inside the card, so portrait certificates never obscure nearby content. */
.cert-badge.is-preview-ready {
  display: block;
  overflow: hidden;
  padding: 0;
  isolation: isolate;
}

.cert-badge__default {
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-content: start;
  min-height: 100%;
  padding: clamp(var(--space-5), 2.5vw, var(--space-7));
  transition:
    opacity var(--transition-fast),
    transform var(--transition-base);
}

.cert-badge__preview {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  grid-template-columns: clamp(3.8rem, 37%, 4.75rem) minmax(0, 1fr);
  align-items: center;
  gap: clamp(.75rem, 1.3vw, 1rem);
  padding: clamp(.85rem, 1.55vw, 1.15rem);
  pointer-events: none;
  opacity: 0;
  background:
    linear-gradient(118deg, color-mix(in srgb, var(--cert-accent) 10%, white), rgba(255, 255, 255, .97) 62%),
    var(--color-white);
  transform: translateX(.65rem);
  transition:
    opacity var(--transition-fast),
    transform var(--transition-base);
}

.cert-badge__preview::after {
  position: absolute;
  right: .85rem;
  bottom: .7rem;
  width: 1.7rem;
  height: 1px;
  content: '';
  background: var(--cert-accent);
  transform-origin: right center;
}

.cert-badge__preview-frame {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 480 / 679;
  border: 1px solid color-mix(in srgb, var(--cert-accent) 20%, transparent);
  border-radius: .2rem;
  background:
    linear-gradient(110deg, rgba(196, 168, 130, .1) 30%, rgba(255, 255, 255, .78) 44%, rgba(196, 168, 130, .1) 58%) 0 0 / 220% 100%,
    var(--color-white);
  box-shadow: 0 .55rem 1.4rem rgba(43, 33, 27, .16);
  transform: rotate(-1.2deg);
}

.cert-badge__preview-frame::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: '';
  background: linear-gradient(135deg, rgba(255, 255, 255, .34), transparent 38%);
  pointer-events: none;
}

.cert-badge__preview-frame.is-error::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  content: '—';
  color: var(--cert-accent);
}

.cert-badge__preview-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.cert-badge__preview-image.is-loaded {
  opacity: 1;
}

.cert-badge__preview-meta {
  display: grid;
  min-width: 0;
  gap: .65rem;
  text-align: left;
}

.cert-badge__preview-meta strong {
  color: var(--cert-accent);
  font-family: var(--font-mono);
  font-size: clamp(.75rem, 1.1vw, .92rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
  overflow-wrap: anywhere;
}

.cert-badge__preview-meta span {
  color: var(--color-coffee);
  font-size: .7rem;
  font-weight: 700;
  line-height: 1.45;
}

@media (hover: hover) and (pointer: fine) {
  .cert-badge.is-preview-ready:hover .cert-badge__default,
  .cert-badge.is-preview-ready:focus-visible .cert-badge__default {
    opacity: 0;
    transform: translateX(-.5rem);
  }

  .cert-badge.is-preview-ready:hover .cert-badge__preview,
  .cert-badge.is-preview-ready:focus-visible .cert-badge__preview {
    opacity: 1;
    transform: translateX(0);
  }
}

.certificate-viewer-open {
  overflow: hidden;
}

.certificate-viewer {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-modal) + 60);
  padding: clamp(1rem, 3vw, 2rem);
  overflow-x: hidden;
  overflow-y: auto;
  visibility: hidden;
  pointer-events: none;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.certificate-viewer.is-open {
  visibility: visible;
  pointer-events: auto;
}

.certificate-viewer__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(21, 19, 17, .84);
  opacity: 0;
  backdrop-filter: blur(8px) saturate(82%);
  -webkit-backdrop-filter: blur(8px) saturate(82%);
  transition: opacity var(--transition-base);
}

.certificate-viewer.is-open .certificate-viewer__backdrop {
  opacity: 1;
}

.certificate-viewer__dialog {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  margin: 0 auto;
  opacity: 0;
  transform: translateY(14px) scale(.992);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.certificate-viewer.is-open .certificate-viewer__dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.certificate-viewer__dialog:focus {
  outline: none;
}

.certificate-viewer__toolbar {
  position: sticky;
  top: .5rem;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  padding: .7rem .75rem .7rem 1rem;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius-md);
  background: rgba(31, 29, 26, .86);
  color: var(--color-white);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .24);
  backdrop-filter: blur(14px) saturate(110%);
  -webkit-backdrop-filter: blur(14px) saturate(110%);
}

.certificate-viewer__heading {
  display: grid;
  min-width: 0;
  gap: 2px;
  text-align: left;
}

.certificate-viewer__title {
  margin: 0;
  overflow: hidden;
  color: inherit;
  font-family: var(--font-body);
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  font-weight: 700;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.certificate-viewer__status {
  color: rgba(255, 255, 255, .62);
  font-size: .7rem;
  line-height: 1.35;
}

.certificate-viewer__close {
  display: inline-grid;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .08);
  color: var(--color-white);
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}

.certificate-viewer__close:hover {
  border-color: rgba(255, 255, 255, .42);
  background: rgba(255, 255, 255, .16);
  transform: rotate(4deg);
}

.certificate-viewer__close:focus-visible {
  outline: 3px solid var(--color-gold-light);
  outline-offset: 3px;
}

.certificate-viewer__close svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.certificate-viewer__stage {
  position: relative;
  min-height: min(60vh, 680px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-sm);
  background: #ece8e1;
  box-shadow: 0 34px 90px rgba(0, 0, 0, .36);
}

.certificate-viewer__image {
  display: block;
  width: 100%;
  height: auto;
  min-height: min(60vh, 680px);
  object-fit: contain;
  background: var(--color-white);
}

@media (max-width: 900px) {
  .certification-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .certification-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .certification-grid .cert-badge:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    width: 100%;
  }

  .cert-badge {
    padding: var(--space-4) !important;
    border-radius: var(--radius-md);
  }

  .cert-badge.is-preview-ready {
    padding: 0 !important;
  }

  .cert-badge__default {
    padding: var(--space-4);
  }

  .cert-nameplate {
    min-height: 3.5rem;
    margin-bottom: var(--space-3);
  }

  .cert-nameplate strong {
    font-size: clamp(.875rem, 4vw, var(--text-lg));
  }

  .cert-badge p {
    font-size: .7rem;
    line-height: 1.45;
  }

  .cert-view-label {
    margin-top: var(--space-3);
    font-size: .62rem;
  }

  .certificate-viewer {
    padding: .65rem .55rem 1.5rem;
  }

  .certificate-viewer__toolbar {
    top: .35rem;
    gap: var(--space-2);
    margin-bottom: .55rem;
    padding: .55rem .55rem .55rem .75rem;
  }

  .certificate-viewer__title {
    font-size: var(--text-sm);
  }

  .certificate-viewer__close {
    width: 2.25rem;
    height: 2.25rem;
    flex-basis: 2.25rem;
  }

  .certificate-viewer__stage,
  .certificate-viewer__image {
    min-height: 0;
  }

  .specs-table-wrap,
  .performance-table-wrap {
    width: calc(100% - var(--space-4));
    margin-right: var(--space-2);
    margin-left: var(--space-2);
    overflow: visible;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }

  .specs-table,
  .specs-table tbody,
  .specs-table tr,
  .specs-table th,
  .specs-table td {
    display: block;
    width: 100%;
  }

  .specs-table {
    background: transparent;
  }

  .specs-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .specs-table tbody {
    display: grid;
    gap: var(--space-4);
  }

  .specs-table tbody tr {
    padding: var(--space-5);
    border: 1px solid rgba(166, 124, 82, 0.22);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    box-shadow: 0 12px 28px rgba(61, 43, 31, 0.07);
  }

  .specs-table tbody th,
  .specs-table tbody td,
  .specs-table tbody tr:nth-child(even) th,
  .specs-table tbody tr:nth-child(even) td,
  .specs-table tbody tr:hover th,
  .specs-table tbody tr:hover td {
    padding: 0;
    border: none;
    background: transparent;
  }

  .table-mobile-label {
    display: block;
    margin-bottom: 0.38rem;
    color: var(--color-kraft-dark);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
  }

  .product-specs-table .spec-name {
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    font-size: 1.25rem;
  }

  .product-specs-table .spec-range,
  .product-specs-table .spec-detail {
    margin-top: var(--space-4);
  }

  .product-specs-table .spec-range strong {
    font-size: var(--text-lg);
  }

  .spec-application-list {
    gap: var(--space-4);
  }

  .spec-application-list li {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .spec-application-list li + li {
    padding-top: var(--space-4);
  }

  .performance-table {
    min-width: 0;
  }

  .performance-table tbody th,
  .performance-table td:nth-child(2),
  .performance-table td:nth-child(3) {
    width: 100%;
  }

  .performance-table tbody th {
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-lg);
  }

  .performance-table tbody th > span {
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
  }

  .performance-table tbody td {
    margin-top: var(--space-4);
    line-height: 1.7;
  }

  .mobile-data-toggle {
    position: absolute;
    top: var(--space-8);
    right: var(--space-3);
    display: grid;
    width: 44px;
    height: 44px;
    padding: 0;
    place-items: center;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-kraft-dark);
    cursor: pointer;
    transform: translateY(-50%);
    transition: color var(--transition-fast), background-color var(--transition-fast);
  }

  .mobile-data-toggle:focus-visible {
    outline: 2px solid rgba(35, 77, 54, .5);
    outline-offset: -4px;
    border-radius: 50%;
    color: var(--color-forest-dark);
    background: rgba(35, 77, 54, .07);
  }

  .mobile-data-toggle:focus-visible .mobile-data-toggle-icon {
    filter: none;
  }

  .mobile-data-toggle-icon {
    display: block;
    width: 9px;
    height: 9px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform var(--motion-base) var(--ease-emphasized), filter var(--transition-fast);
  }

  .mobile-data-row.is-mobile-open .mobile-data-toggle-icon {
    transform: translateY(2px) rotate(225deg);
  }

  .mobile-accordion-ready tbody {
    gap: var(--space-3);
  }

  .mobile-accordion-ready tbody tr {
    position: relative;
    display: grid;
    padding: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 22px rgba(61, 43, 31, .055);
  }

  .mobile-accordion-ready tbody th {
    position: static;
  }

  .mobile-accordion-ready .mobile-data-detail {
    display: grid;
    grid-column: 1 / -1;
    grid-template-rows: 0fr;
    width: 100%;
    margin: 0;
    padding: 0 var(--space-4);
    overflow: hidden;
    border-top: 1px solid transparent;
    opacity: 0;
    transform: translateY(-4px);
    transition:
      grid-template-rows var(--motion-base) var(--ease-emphasized),
      opacity var(--transition-fast),
      transform var(--motion-base) var(--ease-emphasized),
      padding var(--motion-base) var(--ease-emphasized),
      border-color var(--transition-fast);
  }

  .mobile-data-detail-inner {
    min-height: 0;
    overflow: hidden;
  }

  .mobile-data-row.is-mobile-open .mobile-data-detail {
    grid-template-rows: 1fr;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
    border-top-color: rgba(166, 124, 82, .18);
    opacity: 1;
    transform: translateY(0);
  }

  .mobile-data-row.is-mobile-open .mobile-data-toggle {
    color: var(--color-forest-dark);
    background: transparent;
  }

  .product-specs-table .mobile-data-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .product-specs-table .mobile-data-row .spec-name {
    grid-column: 1;
    padding: var(--space-4);
    border-bottom: 0;
    font-size: var(--text-base);
  }

  .product-specs-table .mobile-data-row .spec-range {
    grid-column: 2;
    margin: 0;
    padding: var(--space-4) 3.75rem var(--space-4) 0;
    text-align: right;
  }

  .product-specs-table .mobile-data-row .spec-range strong {
    font-size: var(--text-sm);
  }

  .product-specs-table .spec-name .table-mobile-label,
  .product-specs-table .spec-range .table-mobile-label {
    display: none;
  }

  .product-specs-table .spec-detail > .mobile-data-detail-inner > .table-mobile-label {
    display: block;
  }

  .specs-table.mobile-accordion-ready .mobile-data-row > .mobile-data-detail,
  .specs-table.mobile-accordion-ready .mobile-data-row:nth-child(even) > .mobile-data-detail,
  .specs-table.mobile-accordion-ready .mobile-data-row:hover > .mobile-data-detail {
    padding-right: var(--space-6);
    padding-left: var(--space-6);
  }

  .performance-table .mobile-data-row {
    grid-template-columns: 1fr;
  }

  .performance-table .mobile-data-row > th,
  .performance-table .mobile-data-row:nth-child(even) > th,
  .performance-table .mobile-data-row:hover > th {
    padding: var(--space-4) 3.75rem var(--space-4) var(--space-4);
    border-bottom: 0;
    background: transparent;
    font-size: var(--text-base);
  }

  .performance-table .mobile-data-detail {
    line-height: 1.65;
  }
}

@media (hover: none) {
  .cert-badge:hover {
    transform: none;
    border-color: rgba(166, 124, 82, .2);
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cert-badge,
  .cert-view-label::after,
  .cert-badge__default,
  .cert-badge__preview,
  .cert-badge__preview-image,
  .certificate-viewer__backdrop,
  .certificate-viewer__dialog,
  .certificate-viewer__close {
    transition: none;
  }
}

.mobile-data-toggle {
  display: none;
}

@media (max-width: 767px) {
  .mobile-data-toggle {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-data-detail,
  .mobile-data-toggle-icon {
    transition: none !important;
  }
}